CN108002148B - Energy-saving elevator with destination floor control device - Google Patents
Energy-saving elevator with destination floor control device Download PDFInfo
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- CN108002148B CN108002148B CN201711023085.5A CN201711023085A CN108002148B CN 108002148 B CN108002148 B CN 108002148B CN 201711023085 A CN201711023085 A CN 201711023085A CN 108002148 B CN108002148 B CN 108002148B
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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
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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
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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)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
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- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an energy-saving elevator with a destination floor control device, which comprises a lifting hoistway, an elevator car, a steel wire rope, an elevator machine room and a central processing system, wherein a traction machine, a rope pulley and an energy storage device connected to the traction machine are arranged in the elevator machine room, and the output end of the energy storage device is connected with the traction machine; the central processing system includes: the system comprises a target layer control system, an entrance and exit control module, an entrance and exit card reading/scanning device, a parking space information device and a plurality of single elevator control systems, wherein each elevator is internally provided with a target layer selector, a sensing device and an energy storage device controller of each layer; furthermore, the elevator car energy storage device is provided with the energy storage device and the energy storage device controller, energy storage is carried out when the elevator car moves downwards, and energy release is carried out when the elevator car moves upwards, so that the energy loss of the traction machine is reduced.
Description
Technical Field
The invention relates to an elevator, in particular to an energy-saving elevator with a target floor control device.
Background
An automobile elevator is defined in GB/T7024-2008 "elevator, escalator, travelator terminology" as an elevator whose car is suitable for carrying small passenger cars, which belongs to one of the freight elevators in the category of special equipment. The system is more and more widely applied to automobile 4S shops, maintenance workshops, large shopping malls with parking lots on the roof and supermarkets. As an important automobile vertical transportation tool, compared with the traditional automobile ramp, the automobile elevator can save a large amount of building area and automobile turnover efficiency.
When a driver drives an automobile to enter an elevator car, the conventional automobile elevator needs to frequently get off to control the opening or closing of an automobile elevator door so as to realize the selection of going to different floors. The method requires a manufacturer to reasonably set the position of the control box, and considers that various vehicle types can press the control box, so that the method is difficult to realize. This method is also highly demanding for the driver, and requires a suitable distance for each stop, which is otherwise difficult to operate and may create a risk due to improper operation. Meanwhile, the control of the vehicle at the entrance and exit of the automobile elevator, how the vehicle directly arrives at the destination floor when the vehicle is in the automobile elevator, how the information of the entrance and the parking space of the destination floor is controlled in advance, and the like. Further, compared with a common elevator, the automobile elevator is carried with people and a vehicle, so that the load capacity is large, the energy consumption is high, and the research direction in the industry is always directed to solving the problem of energy consumption of the elevator.
Disclosure of Invention
The energy-saving elevator provided by the invention has low energy consumption, provides intelligent vehicle service for drivers and is provided with the destination floor control device.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an energy-saving elevator with a destination floor control device comprises a lifting hoistway, an elevator car, a steel wire rope, an elevator machine room and a central processing system, wherein a tractor, a rope pulley and an energy storage device connected to the tractor are arranged in the elevator machine room, the energy storage device comprises a variable frequency speed control system for controlling the tractor and an energy feedback unit connected to the variable frequency speed control system, and the output end of the energy storage device is connected with the tractor;
the central processing system includes:
the destination floor control system is used for collecting information of an entrance control module, an entrance card reading/scanning device, a parking space information device, a destination floor selector of each floor, a sensing device arranged in each elevator car and a single elevator control system of each elevator, storing all selected entrance automobile signals, uniformly performing elevator dispatching planning, outputting an elevator dispatching instruction, making an elevator dispatching by the single elevator control system, informing the automobile to wait at the appointed elevator door, and directly sending the automobile to the appointed floor by the elevator;
the entrance and exit control module is used for collecting information of the entrance and exit card reading/scanning device and the target layer control system and driving the parking space information device and the entrance and exit railing in real time;
the entrance/exit card reading/scanning device is arranged at the entrance of the parking lot and the exit of each layer and is used for reading the information of the automobile and feeding the information back to the entrance/exit control module, and the entrance/exit control module feeds the information back to the target layer control system to arrange the automobile entrance channel;
the parking space information device is used for displaying the parking space information of each floor in real time;
the system also comprises a plurality of single elevator control systems, which collect information from a target floor control system and an induction device in the car and control the elevator to transport the car according to instruction information;
each elevator is internally provided with a target floor selector, a sensing device and an energy storage device controller of each floor, the target floor selector of each floor is used for collecting information registered at the door of the current floor when a vehicle leaves the garage, the information is fed back to a target floor control system, and the target floor control system allocates the elevators; the sensing device is used for collecting signals of the sensing device arranged in the lift car, sending the signals to the single elevator control system and the target floor control system and providing detection and protection functions for the vehicle; the energy storage device controller is used for controlling the energy storage device to store or release energy, the central processing system also comprises floor arrival information in each elevator car and a destination floor display device on each floor, and the floor arrival information in each elevator car is used for collecting information sent by a single elevator control system, indicating position lights and voice information of the elevator cars and prompting the automobile station to prepare; the destination floor display device on each floor is mainly used for collecting information sent by the destination floor control device and sending the information to indicate the state of the automobile entering and exiting the elevator car; vehicle entering and exiting processes:
firstly, when an automobile reaches the position of an entrance/exit card reading/scanning device, swiping or taking a card is firstly carried out, at the moment, an entrance/exit control module can carry out identification, if a temporary parking space is insufficient, the temporary card can be stopped, and meanwhile, a parking space information device can display the vacancy condition on a floor;
secondly, after the card is swiped or taken successfully, the parking space information is modified by the access control module, the automobile waits in front of the railing at the moment, the target floor control system receives the information for identification, and after the card holding information of the automobile is identified, the state information of each elevator is integrated to carry out elevator dispatching planning;
thirdly, if the destination floor control system judges that the elevator and the passage are feasible, the elevator dispatching result can be sent to the entrance control module, the handrail is opened, a destination floor display device on each floor of the elevator doorway displays that the passage and the elevator can be used, please enter the elevator car according to the display, and an induction device in the elevator car collects signals of the induction device arranged in the car, so as to provide protection and detection functions for the vehicle;
fourthly, the elevator control system operates the elevator car to a specified floor, opens the elevator door, waits for the car to go out of the elevator car, and warns other cars not to enter the elevator car through the destination floor display device at the exit of the elevator;
and fifthly, the automobile exits the car and enters the designated parking space, so that the parking space entering process of full automatic control from card swiping registration to parking space parking on the designated floor is completed.
In the invention, the energy storage device comprises a variable frequency speed regulating system for controlling the tractor and an energy feedback unit connected to the variable frequency speed regulating system.
In the invention, a transmission mechanism is arranged between the traction machine and the rope pulley, and the energy storage device comprises a rotor shaft which is connected with the transmission mechanism and is provided with a winding, a stator which is sleeved on the rotor shaft and is provided with a magnetic field, and a storage battery which is arranged beside the stator.
In the invention, the central processing system also comprises floor arrival information in each elevator car, which is used for collecting information sent by a single elevator control system, indicating the position light and voice information of the elevator car and prompting the bus station to prepare.
The invention has the beneficial effects that: the invention has a target floor group control system based on the target floor group control, the target floor group control realizes the group control scheduling of the elevator by a calculation method taking the arrival floor of passengers as a target, the target floor control system can store all selected entrance automobile signals and carry out uniform elevator dispatching planning, after the elevator dispatching center obtains an elevator dispatching result, a signal is given in a display system to inform the automobile to wait at the door of the specified elevator, the automobile is directly sent to the specified floor by the elevator, and the automatic control of the whole parking process from card swiping registration to the parking space of the specified floor is realized; furthermore, the elevator car energy storage device is provided with the energy storage device and the energy storage device controller, energy is stored when the elevator car moves downwards, and energy is released when the elevator car moves upwards, so that the energy loss of the traction machine is reduced; furthermore, due to the adoption of the target floor control, the elevator does not have the frequent starting and stopping phenomenon, the energy storage device can be directly involved, the energy storage device is positioned in the machine room at the top of the hoistway and does not move along with the car, the energy storage device collects energy at a short distance, and meanwhile, the energy storage device releases energy at a short distance when releasing energy, so that the transmission loss is reduced, and the optimal energy-saving effect is achieved.
Drawings
The invention is further illustrated by the following figures and embodiments:
FIG. 1 is a schematic structural diagram of the present embodiment when a variable frequency speed control system is adopted;
FIG. 2 is a schematic structural diagram of the present embodiment when a conventional control mechanism is employed;
FIG. 3 is a flow chart of the vehicle entering;
fig. 4 is a flow chart of the exit of the automobile.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
Referring to fig. 1 to 4, the energy-saving elevator with a destination floor control device described in this embodiment includes a lifting hoistway, an elevator car, a steel wire rope, an elevator machine room, and a central processing system 4, where the central processing system 4 includes:
the destination floor control system 5 is used for collecting information of an entrance control module 6, an entrance card reading/scanning device 7, a parking space information device 8, a destination floor selector 10 of each floor, a sensing device 11 arranged in each elevator car and a single elevator control system 9 of each elevator, storing all selected entrance automobile signals, uniformly performing elevator dispatching planning, outputting elevator dispatching instructions, making elevator dispatching by the single elevator control system 9, informing the automobile to wait at the appointed elevator door, and directly sending the automobile to an appointed floor by the elevator to realize the full-automatic control of parking in the parking space of the appointed floor by card swiping registration;
the entrance and exit control module 6 is used for collecting information of the entrance and exit card reading/scanning device 7 and the target layer control system 5 and driving the parking space information device 8 and the entrance and exit railing 17 in real time;
the entrance/exit card reading/scanning device 7 is arranged at the entrance of the parking lot and the exit of each layer, and is used for reading the information of the automobile, registering whether the automobile is a resident or temporary, feeding back the information to the entrance/exit control module 6, and feeding back the information to the target layer control system 5 by the entrance/exit control module 6 to arrange the automobile entrance/exit channel;
the parking space information device 8 is used for displaying the parking space information of each floor in real time, so that temporary vehicles are reduced from unnecessary waiting;
the system also comprises a plurality of single elevator control systems 9, which collect information from the target floor control system 5 and the induction device 11 in the cage and control the elevator to transport the automobile according to instruction information;
each elevator is internally provided with a target floor selector 10, a sensing device 11 and an energy storage device controller 12 of each floor, the target floor selector 10 of each floor is used for collecting information registered at the current floor door when a vehicle leaves the garage, the information is fed back to the target floor control system 5, and the target floor control system 5 allocates the elevators; the sensing device 11 is used for collecting signals of the sensing device 11 arranged in the lift car, sending the signals to the single elevator control system 9 and the target floor control system 5 and providing detection and protection functions for the vehicle; the energy storage device controller 12 is used to control the energy storage device 3 to store or release energy.
The central processing system 4 also comprises floor arrival information 16 in each elevator car and a destination floor display device on each floor, wherein the floor arrival information 16 in each elevator car is used for collecting information sent by a single elevator control system 9, indicating position lights and voice information of the elevator cars and prompting that the automobile station is ready; the destination floor display device of each floor is mainly used for collecting information sent by the destination floor control device and sending the information to indicate the state of the automobile entering and exiting the elevator car.
Referring to fig. 3 and 4, the car entering and exiting process can refer to fig. 3, as shown in fig. 3, firstly, when the car reaches the position of the entrance/exit card reading/scanning device 7, the card is swiped or taken, at this time, the entrance/exit control module 6 can identify the car, if the temporary car is not enough, the temporary card can be stopped, meanwhile, the parking space information device 8 can display the vacancy condition on the floor, secondly, after the card is swiped or taken successfully, the parking space information is modified by the entrance/exit control module 6, at this time, the car waits in front of the handrail, the destination floor control system 5 can receive the information to identify, after the card holding information of the car is identified, the state information of each elevator is synthesized, the elevator dispatching plan is carried out, thirdly, if the destination floor control system 5 judges that the elevator and the passage are feasible, the elevator dispatching result can be sent to the entrance/exit control module 6, the handrail is opened, the destination floor display, please enter the elevator car according to the display, the sensing device 11 in the elevator car collects the sensing device signal installed in the car to provide the protection and detection function for the vehicle, at this moment, the single elevator control system 9 moves the car to the appointed floor, opens the elevator door, waits for the vehicle to go out of the car, at this moment, the display device of the exit destination floor of the floor warns other vehicles not to enter, at the fifth step, the vehicle goes out of the car to enter the appointed parking space, thus completing the parking space flow of the parking full automatic control from the card swiping registration to the parking space of the appointed floor. The car leaving parking space flow is as shown in fig. 4, firstly, when the car reaches the position of the entrance/exit card reading/scanning device 7, the card is swiped, after the card is swiped successfully, the destination floor selector 10 of each floor will recognize, at the moment, the car waits in front of the designated position, the destination floor control system 5 receives the information to recognize, after the card holding information of the car is recognized, the state information of each elevator is synthesized, the elevator dispatching plan is carried out, secondly, if the destination floor control system 5 judges that the elevator and the passage are feasible, the elevator dispatching result can be sent to the entrance control module 6, the handrail is opened, the destination floor display device at the elevator entrance displays that the passage and the elevator can be used, please enter the elevator car according to the display, the sensing device 11 in the elevator car collects the sensing device signals installed in the car to provide the protection and detection functions for the car, and thirdly, at the moment, the single elevator control system 9 moves the car to the appointed exit floor, opens the elevator door, waits for the car to go out of the car, and the exit destination layer display device of the floor warns other vehicles not to enter.
The invention realizes that the phenomenon of vehicle convergence is avoided when the vehicle enters or exits the car elevator cage, and ensures that the vehicle can smoothly enter or exit the car; the system realizes automatic arrival at a specified floor by swiping the card, automatic identification at peak hours of going to and from work, and the VIP user takes precedence over the common user; when a certain layer of parking space is full, the vehicle entering and exiting card swiping equipment displays that the parking space of the layer is full, and card issuing is stopped; the automatic control of a plurality of layers of parking spaces can be realized; when the elevator is in a mode that a driver needs manual operation, a destination floor command is not allocated to the elevator; when the elevator is in a fault state or a maintenance state, the elevator automatically breaks away from a target floor control system. The implementation of the scheme reduces the starting, saves the energy consumption and improves the running efficiency of the automobile elevator, which is the biggest difference between a target-level intelligent automobile elevator control system and a conventional control mode and is the advantage of the control system.
Further, in this embodiment, a hoisting machine 1, a rope sheave 2, and an energy storage device 3 connected to the hoisting machine 1 are disposed in the elevator machine room, and the energy storage device 3 is divided into an electronic type and a mechanical type, see fig. 1, in which the electronic energy storage device 3 includes a variable frequency speed control system for controlling the hoisting machine 1 and an energy feedback unit 19 connected to the variable frequency speed control system 18. The energy feedback unit 19 inverts the dc voltage of the dc link of the variable frequency speed control system 18 into an ac voltage with the same frequency and phase as the grid voltage by automatically detecting the dc bus voltage of the variable frequency speed control system 18, and connects the ac voltage to the ac grid after multiple noise filtering links, thereby achieving the purpose of energy feedback to the grid, and the electric energy fed back to the grid reaches more than 97% of the generating energy, and effectively saving the electric energy. Referring to fig. 2, the output end of the mechanical energy storage device 3 is connected to the traction machine 1, a transmission mechanism is arranged between the traction machine 1 and the rope pulley 2, and the energy storage device 3 comprises a rotor shaft 13 connected to the transmission mechanism and provided with windings, a stator 14 sleeved on the rotor shaft 13 and provided with a magnetic field, and an accumulator 15 arranged beside the stator 14. Because the target floor control is adopted, the elevator is not frequently started and stopped, when an automobile enters a lift car and moves downwards, the rotor shaft 13 rotates to store energy under the action of gravity, the energy is stored in the storage battery 15, and when the lift car moves upwards, the storage battery 15 supplies power to the tractor 1, so that the energy consumption required by the outside of the tractor 1 is reduced. The energy storage device 3 is arranged beside the traction machine 1, collects energy in a short distance, releases energy in a short distance when releasing energy, reduces transmission loss and achieves the optimal energy-saving effect.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a take energy-conserving elevator of destination floor controlling means, includes lift well, elevator car, wire rope, elevator computer lab and central processing system (4), its characterized in that: a traction machine (1), a rope pulley (2) and an energy storage device (3) connected to the traction machine (1) are arranged in the elevator machine room, and the output end of the energy storage device (3) is connected with the traction machine (1); the central processing system (4) comprises: the destination floor control system (5) is used for collecting information of an entrance control module (6), an entrance card reading/scanning device (7), a parking space information device (8), a destination floor selector (10) of each floor, a sensing device (11) arranged in each elevator car and a single elevator control system (9) of each elevator, storing all selected entrance automobile signals, carrying out dispatching planning on the elevators in a unified mode, outputting an elevator dispatching instruction, making an elevator dispatching by the single elevator control system (9), informing the automobile to arrive at a designated elevator door to wait, and directly sending the automobile to the designated floor by the elevator; the entrance and exit control module (6) is used for collecting information of the entrance and exit card reading/scanning device (7) and the target layer control system (5) and driving the parking space information device (8) and the entrance and exit railing (17) in real time; the entrance/exit card reading/scanning device (7) is arranged at the entrance of the parking lot and the exit of each layer and is used for reading the information of the automobile and feeding the information back to the entrance/exit control module (6), and the entrance/exit control module (6) feeds the information back to the target layer control system (5) to arrange the automobile entrance channel; the parking space information device (8) is used for displaying the parking space information of each floor in real time; the system also comprises a plurality of single elevator control systems (9) which collect information from the target floor control system (5) and the sensing device (11) in the cage and control the elevator to transport the automobile according to instruction information; each elevator is internally provided with a target floor selector (10), an induction device (11) and an energy storage device controller (12) of each floor, the target floor selector (10) of each floor is used for collecting information registered at the current floor door when a vehicle leaves the garage, the information is fed back to a target floor control system (5), and the target floor control system (5) allocates the elevators; the induction device (11) is used for collecting signals of the induction device (11) arranged in the lift car, sending the signals to the single elevator control system (9) and the target floor control system (5) and providing detection and protection functions for the vehicle; the energy storage device controller (12) is used for controlling the energy storage device (3) to store or release energy, the central processing system (4) further comprises floor arrival information (16) in each elevator car and a destination floor display device on each floor, and the floor arrival information (16) in each elevator car is used for collecting information sent by a single elevator control system (9), indicating position lights and voice information of the elevator cars and prompting the bus station to prepare; the destination floor display device on each floor is mainly used for collecting information sent by the destination floor control device and sending the information to indicate the state of the automobile entering and exiting the elevator car; vehicle entering and exiting processes:
firstly, when an automobile reaches the position of an entrance/exit card reading/scanning device (7), swiping or taking a card is firstly carried out, at the moment, an entrance/exit control module (6) can carry out identification, if a temporary parking space is insufficient, the temporary card can be stopped, and meanwhile, a parking space information device (8) displays the vacancy condition on a floor;
secondly, after the card is swiped or taken successfully, the parking space information is modified by the entrance and exit control module (6), at the moment, the automobile waits in front of the railing, the target layer control system (5) receives the information for identification, and after the card holding information of the automobile is identified, the state information of each elevator is integrated to carry out elevator dispatching planning;
thirdly, if the destination floor control system (5) judges that the elevator and the passage are feasible, the elevator dispatching result can be sent to the entrance control module (6), the handrail is opened, a destination floor display device on each floor of the elevator doorway displays that the passage and the elevator can be used, the elevator enters the elevator car according to the display, and an induction device (11) in the elevator car collects signals of the induction device arranged in the car, so that the functions of protecting and detecting the vehicle are provided;
fourthly, the elevator control system (9) moves the car to a specified floor, opens the elevator door, waits for the car to go out of the car, and warns other cars not to enter the car by the destination floor display device at the exit of the floor;
and fifthly, the automobile exits the car and enters the designated parking space, so that the parking space entering process of full automatic control from card swiping registration to parking space parking on the designated floor is completed.
2. The energy-saving elevator with the destination floor control device according to claim 1, characterized in that: the energy storage device (3) comprises a variable frequency speed regulating system for controlling the traction machine (1) and an energy feedback unit (19) connected to the variable frequency speed regulating system (18).
3. The energy-saving elevator with the destination floor control device according to claim 1, characterized in that: a transmission mechanism is arranged between the traction machine (1) and the rope pulley (2), and the energy storage device (3) comprises a rotor shaft (13) which is connected with the transmission mechanism and is provided with a winding, a stator (14) which is sleeved on the rotor shaft (13) and is provided with a magnetic field, and a storage battery (15) which is arranged beside the stator (14).
4. The energy-saving elevator with the destination floor control device according to claim 1, characterized in that: the central processing system (4) also comprises floor arrival information (16) in each elevator car, and the floor arrival information is used for collecting information sent by the single elevator control system (9), indicating the position lights and voice information of the elevator cars and prompting the bus station to prepare.
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| CN201711023085.5A CN108002148B (en) | 2017-10-26 | 2017-10-26 | Energy-saving elevator with destination floor control device |
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| CN109281523A (en) * | 2018-10-15 | 2019-01-29 | 佛山市高明区安承升降装备研究院 | Energy-saving elevator system |
| CN117377174B (en) * | 2023-09-21 | 2024-07-16 | 深圳市瀚强科技股份有限公司 | Lighting control method and related device |
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| KR200419154Y1 (en) * | 2006-02-28 | 2006-06-16 | (주)에이치피엔알티 | A Mobile Phone For Calling Elevator Wherein Parking Lot And A Calling System For Elevator Wherein Parking Lot |
| CN103150923A (en) * | 2011-12-06 | 2013-06-12 | 西安博昱新能源有限公司 | Control system of park |
| CN103195279B (en) * | 2013-03-27 | 2016-01-13 | 上海交通大学 | Based on the intelligent stereo garage of distributed wireless networks |
| JP6316553B2 (en) * | 2013-08-02 | 2018-04-25 | 三菱重工機械システム株式会社 | Control device for mechanical parking facility and mechanical parking facility provided with the same |
| JP5657081B2 (en) * | 2013-10-29 | 2015-01-21 | 三菱重工メカトロシステムズ株式会社 | Lifting device, control method therefor, and mechanical multilevel parking lot using the same |
| CN205061194U (en) * | 2015-09-11 | 2016-03-02 | 浙江南奥电梯有限公司 | Automatic system of opening door of car elevator vehicle discernment |
| CN106185489A (en) * | 2016-07-07 | 2016-12-07 | 康达电梯有限公司 | A kind of intelligent automobile apparatus for controlling elevator |
| CN205916862U (en) * | 2016-08-25 | 2017-02-01 | 山东富士制御电梯有限公司 | Car elevator remote control device |
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Application publication date: 20180508 Assignee: Xizi deo (Guangdong) Elevator Co.,Ltd. Assignor: GUANGDONG HUAKAI ELEVATOR Co.,Ltd. Contract record no.: X2022980000309 Denomination of invention: An energy-saving elevator with target floor control device Granted publication date: 20200612 License type: Common License Record date: 20220114 |
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Denomination of invention: Energy saving elevator with target floor control device Effective date of registration: 20221205 Granted publication date: 20200612 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: GUANGDONG HUAKAI ELEVATOR Co.,Ltd. Registration number: Y2022980024813 |
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