CN102241356A - Energy saving method and device for elevator door motor - Google Patents

Energy saving method and device for elevator door motor Download PDF

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Publication number
CN102241356A
CN102241356A CN2011101795587A CN201110179558A CN102241356A CN 102241356 A CN102241356 A CN 102241356A CN 2011101795587 A CN2011101795587 A CN 2011101795587A CN 201110179558 A CN201110179558 A CN 201110179558A CN 102241356 A CN102241356 A CN 102241356A
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China
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logic controller
door
elevator
sedan
chair
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CN2011101795587A
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王支强
陈玉杰
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HANGZHOU OPTIMAX TECHNOLOGY Co Ltd
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HANGZHOU OPTIMAX TECHNOLOGY Co Ltd
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Priority to CN2011101795587A priority Critical patent/CN102241356A/en
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Abstract

The invention relates to an energy saving method and device for an elevator door motor, belonging to the field of elevators. The method comprises the following steps: 1) idle time t of a call instruction is set; 2) after the elevator arrives, the door motor closes a door and detects whether a call instruction exists; 3) a logic controller detects an in-cab condition signal to judge whether a cab is loaded; 4) if the call instruction is not detected after the idle time t, the logic controller judges that the elevator is in an idle state; 5) the logic controller sends a power cutoff signal to a switch relay to cut off the power of the door motor, and cancel door closing holding torque so as to save energy; and 6) if the call instruction is detected, the logic controller sends a power connection signal to the switch relay to connect the door motor power, and recover the door closing holding torque. The energy saving method provided by the invention is simple and easy to implement, does not bring any potential hazard to the overall operation of an elevator, and achieves an energy saving effect; and therefore, the method and device are relatively effective energy saving method and device for the door motor part.

Description

Elevator door-motor power-economizing method and energy saver
Technical field
The energy saver that the present invention relates to a kind of elevator door-motor power-economizing method and move according to this power-economizing method belongs to the elevator class.
Background technology
In electricity consumption condition survey statistics to hotel, office building etc., the elevator power consumption accounts for the 17%-25% of total electricity consumption, be only second to the idle call electric weight, be higher than the power consumption of illumination, water supply etc., the energy consumption that how to reduce elevator effectively becomes an important topic in elevator field.The main power consumption parts of elevator are main driving arrangements, i.e. the towing machine that everybody was familiar with, and in this field, Asynchronous Frequency-variable electrical motor, energy Feedback Technology have promoted the development of elevator energy-saving.And be only second to the main energy consumption equipment that drives is exactly the door system of elevator, mainly is meant the door machine of elevator switch door.In elevator device in order to make passenger's cab of can coming in and going out, the power driven gate that setting can self-opening, close, gate is opened after elevator arrives at a station, the passenger passes in and out cab; Behind gate and Room door door-closing in-place, elevator starts operation once more, and for the sake of security, a door machine needs to provide the hold torque of closing the door behind door-closing in-place, escapes to prevent that the passenger from taking off to open the door in the sedan-chair in non-flat layer region or operational process.The way of apparatus for controlling elevator is now: just provide the hold torque of closing the door as long as gate door office door puts in place, no matter elevator is in standby, non-flat bed, operation or halted state.And gate door office door hold torque institute consuming electric power is very big, in a lot of occasions, and public place such as market, office building especially, night, elevator was in halted state, passenger demand is generally seldom arranged, if this moment still provide persistent current to the door machine in order to the hold torque of closing the door, obviously can waste resource.Up to now, also there is not a technical scheme to provide reasonable power-economizing method and energy saver at the door opening and closing system of elevator.
Chinese patent by retrieval, the patent of relevant elevator energy-saving is a lot, one piece of patent No. wherein: 200910243340.6, name is called the application for a patent for invention of " a kind of elevator intelligent power-saving method and device ", this application is by detecting the variation of elevator main circuit current or power circuit power, judge whether elevator is in readiness for action, as, the elevator principal current cut off.These are different with technical solution of the present invention.
Summary of the invention
The present invention seeks to filling up the blank of prior art, a kind of elevator door-motor power-economizing method and energy saver are provided, its objective is in order to save the energy consumption of elevator car door system, the present invention is by judging elevator state of living in the standby time of judging elevator calling instruction and this calling instruction, and according to the hold torque of closing the door of corresponding state control gate door machine, reduce the output time of the hold torque of closing the door, thereby reduce the elevator car door system energy consumption.
The principle of this elevator energy-saving method is: control system has or not t standby time of calling instruction and calling instruction to judge which kind of state elevator is in according to outside calling device.The state of elevator generally can be divided into three kinds, and running state refers to that elevator just in the instruction of customer in response, carries out actions such as normal up-downgoing, switch door; Readiness for action represents that elevator has responded all customer instruction, and elevator just has been in the pool ladder that arrives at a station, and door system or is just closed, and cage illumination, fan etc. are still in operation; Idle state is meant that elevator is in readiness for action after a period of time, generally is to close the back from door office to start at when non-loaded in the sedan-chair, and length is t standby time, the part supply disconnecton, and car lamp, fan etc. are closed, and elevator is out of service for a long time.Determine that elevator is in idle state, supply disconnecton signal of control system output cuts off the door motor electric current, reach purpose of energy saving, when elevator reappears service order, elevator enters running state immediately, the control system output signal recovers the door organizational security and holds moment, and elevator normally moves.
Technical scheme particular content of the present invention is as follows:
A kind of elevator door-motor power-economizing method, this method may further comprise the steps:
1) set t standby time that calling is instructed, elevator starts, and logic controller detects all the time and has or not the calling instruction;
2) elevator arrives at a station machine-operated machine-operated gate signal of door that puts in place and send of pool ladder back gate door to logic controller, and logic controller detects and has or not the calling instruction that is responding;
3) if there is not the calling instruction, logic controller detects the interior situation signal of sedan-chair that the sedan-chair inner sensor sends, and judges whether load is arranged in the sedan-chair;
4) non-loaded if logic controller is judged in the sedan-chair, and through not detecting the calling instruction standby time behind the t yet, logic controller judges that elevator is in idle state;
5) when logic controller judged that elevator is in idle state, logic controller sent the supply disconnecton signal and gives transfer relay, and transfer relay cuts off the dynamo-electric source of door, cancelled office's door hold torque;
6) logic controller continues to detect the calling instruction, if detect the calling instruction, logic controller sends power throughing signal to transfer relay, and transfer relay is connected the dynamo-electric source of door, recovers door office door hold torque.
Wherein, in described step 2) and step 3) in logic controller situation signal in detecting gate office gate signal, calling instruction and the sedan-chair simultaneously, when satisfied three conditions, execution in step 4):
1. not detecting calling instruction 2. detects a machine-operated gate signal and 3. detects situation signal in the sedan-chair.
T's standby time starts at a little and to receive in the machine-operated gate signal or logic controller receives in the sedan-chair in the situation signal for logic controller in described step 4), but no matter start at point selection at that time point, what the interior logic controller of t standby time detected all is the calling instruction.
Transfer relay in described step 5) and step 6) has normally closed contact, and the switch of normally closed contact control is in on-state when not switching on.
The present invention also comprises a kind of elevator door-motor energy saver, this device is according to above-mentioned principle and said method operation, it comprises a machine M, logic controller 1, transfer relay 2, sedan-chair inner sensor 3 and outside calling device 4, wherein, the door machine status signal input end p1 of logic controller 1 links to each other with door machine M, is used for the closed situation of detecting gate machine M; The power control signal output end p 2 of described logic controller 1 links to each other with the input end of transfer relay 2, and the contact switch K of described transfer relay 2 links to each other with the power supply of door machine, is used for the break-make in the dynamo-electric source of control gate; Situation signal input part p3 links to each other with sedan-chair inner sensor 3 in the sedan-chair of described logic controller 1, is used to receive the interior situation signal of sedan-chair that sedan-chair inner sensor 3 sends; The calling instruction input end p4 of described logic controller 1 links to each other with outside calling device 4, is used to receive the calling instruction that calling device 4 sends.
For the operation of artificial this energy saver of control, described logic controller 1 also comprises a manual signal input part, is used to receive master control personnel's manual control signal.When not needing energy saver work, the master control personnel are energy-conservation the ceasing and desisting order to logic controller of input manually, logic controller no longer according to standby time t timing is carried out in the calling instruction, also no longer send supply disconnecton or connection signal to transfer relay.
The present invention has following tangible technique effect compared to existing technologies:
1, thereby the present invention instructs the hold torque of closing the door of the running state control elevator cage door door machine of judging elevator by the calling that detects elevator, and method is simple, realize easily, and the fiduciary level of calling instruction is than higher, is not subject to extraneous electricity, magnetic signal disturbs;
2, power-economizing method and energy saver at be the gate door machine of elevator, belong to the operating separate unit of elevator, this unit uses this power-economizing method and device to carry out work can not cause big influence to the operation of elevator power circuit and elevator device, more can not cause and cut off delay or the potential safety hazard that main circuit power may bring to elevator device.
In a word, simple, the easy row of this technical scheme is not subject to external interference, brings any hidden danger for the elevator overall operation, can play energy-conservation effect again simultaneously, is especially elevator car door system power-economizing method and energy saver of a kind of relatively actv. elevator.
Description of drawings
Fig. 1 is an elevator door-motor power-economizing method diagram of circuit;
Fig. 2 is the structural representation of elevator door-motor energy saver.
Shown in the figure: M: door motor, 1: logic controller, 2: transfer relay, 3: sedan-chair inner sensor, 4: calling device, p1: door machine state input end, p2: power control signal mouth, p3: situation signal input part in the sedan-chair, p4: calling instruction input end.
The specific embodiment
1-2 further specifies the specific embodiment of the invention with reference to the accompanying drawings.
As shown in Figure 1, the present invention at first will be provided with t standby time of calling instruction, and elevator starts, and logic controller 1 will detect all the time and have or not calling signal.Standby time, the length of t will decide according to the operation conditions of each elevator and the needs of operating personal, starting at a little should be at the initial point of elevator readiness for action, can be in office's door puts in place, also can be that logic controller detects in the sedan-chair that the sedan-chair inner sensor sends in the non-loaded signal, latter's time point preferably, standby time, t set before the elevator commencement of commercial operation.Elevator arrives at a station and moors ladder back gate door machine M door-closing in-place and send a machine-operated gate signal to logic controller 1, logic controller 1 detects and has or not the calling instruction that is responding, if logic controller 1 has detected the calling instruction, show that elevator has passenger demand, elevator normally moves; If logic controller 1 does not detect the calling instruction of outside calling device 4, logic controller 1 detects the interior situation signal of sedan-chair that sedan-chair inner sensor 3 sends, and whether judge has load in the sedan-chair, just judges in the sedan-chair whether be empty, to guarantee safety.Load is arranged, and elevator normally moves, and sedan-chair inner sensor 3 can be weight sensor or infrared pickoff.If it is non-loaded in the situation signal indicating sedan-chair in the sedan-chair that sedan-chair inner sensor 3 sends, then logic controller picks up counting, do not have the calling instruction to send through detecting outside calling device 4 standby time in the t yet, then show no passenger demand, logic controller judges that elevator is in idle state.Certainly, logic controller 1 detection calling is instructed, door office closes signal and the interior situation signal of sedan-chair can carry out simultaneously, if three signals that logic controller receives satisfy three conditions then judge that elevator is in idle state, logic controller can cut off the dynamo-electric source of door.These three conditions are: 1. logic controller 1 does not detect the calling instruction, shows no passenger demand; 2. detect a machine-operated gate signal, show that a machine cuts out; 3. detect situation signal in the sedan-chair, non-loaded in the surperficial car, car is empty.The readiness for action of elevator just characterizes a kind of intermediateness, not as the foundation of judging, so also is the needs of further simplifying control method in the technical program.
When logic controller 1 judges that elevator is in idle state, logic controller 1 sends the supply disconnecton signal and gives transfer relay 2, transfer relay 2 disconnects normally closed contact after receiving control signal, switch disconnects, cut off the dynamo-electric source of door, cancel office's door hold torque, this moment, the door machine was under the nature closed condition, had saved electric power.
Under nothing is closed the door the state of hold torque, logic controller 1 continues to detect to have or not calls instruction, if having detected the calling instruction occurs, logic controller 1 sends power throughing signal immediately to transfer relay 2, transfer relay 2 is connected the dynamo-electric source of door, recover door office door hold torque, elevator normally moves.At this moment, the door machine is under the electric power closed condition, prevents passenger's manual unlocking gate.
Wherein, above-mentioned transfer relay 2 is selected for use and is had normally closed switch, and under the situation of no any control signal input, transfer relay remains closed, and keeps the hold torque of closing the door, and purpose is to guarantee safety.
Be illustrated in figure 2 as the elevator car door system energy saver that utilizes above-mentioned power-economizing method operation, comprise a machine M, logic controller 1, transfer relay 2, sedan-chair inner sensor 3 and calling device 4, wherein, the door machine status signal input end p1 of logic controller 1 links to each other with door machine M, the closed situation that is used for detecting gate machine M, if the door machine is closed, show that then elevator enters readiness for action, at this moment, can be used as starting at a little of t standby time, certainly, judge when serve as sky in the sedan-chair a little also passable with logic controller as starting at.The power control signal output end p 2 of logic controller 1 links to each other with the input end of transfer relay 2, and the contact switch K of transfer relay 2 links to each other with the power supply of door machine, the break-make that is used for the dynamo-electric source of control gate, if supply disconnecton signal during the signal that logic controller 1 sends, then contact switch K opens, and the dynamo-electric source of door disconnects; If power throughing signal during the signal that logic controller 1 sends, contact switch K closure then, the dynamo-electric source of door is connected.Situation signal input part p3 links to each other with sedan-chair inner sensor 3 in the sedan-chair of logic controller 1, is used to receive the interior situation signal of sedan-chair that sedan-chair inner sensor 3 sends, and judges in the sedan-chair whether be empty by this signal.The calling instruction input end p4 of logic controller 1 links to each other with outside calling device 4, is used to receive the calling instruction that calling device 4 sends.
In addition, for the operation of artificial this energy saver of control, control cabin is installed manual buttons again, at logic controller 1 a manual signal input part is set, and manual buttons links to each other with manual signal input part, is used to receive master control personnel's manual control signal.When not needing energy saver work, the master control personnel are energy-conservation the ceasing and desisting order to logic controller of input manually, logic controller no longer according to standby time t timing is carried out in the calling instruction, also no longer send supply disconnecton or connection signal to transfer relay.
Elevator car door system power-economizing method provided by the invention and corresponding energy saver; only done detailed description with regard to illustrated embodiments; but can not be interpreted as restriction to other embodiments of the present invention; everyly further improve and similar or identical scheme on basis of the present invention, all being considered as is the scope that the present invention asks for protection.

Claims (6)

1. an elevator door-motor power-economizing method is characterized in that, comprises following step:
1) set t standby time that calling is instructed, elevator starts, and logic controller detects all the time and has or not the calling instruction;
2) elevator arrives at a station machine-operated machine-operated gate signal of door that puts in place and send of pool ladder back gate door to logic controller, and logic controller detects and has or not the calling instruction that is responding;
3) if logic controller does not detect the calling instruction, logic controller detects the interior situation signal of sedan-chair that the sedan-chair inner sensor sends, and judges whether load is arranged in the sedan-chair;
4) non-loaded if logic controller is judged in the sedan-chair, and through not detecting the calling instruction standby time behind the t yet, logic controller judges that elevator is in idle state;
5) when logic controller judged that elevator is in idle state, logic controller sent the supply disconnecton signal and gives transfer relay, and transfer relay cuts off the dynamo-electric source of door, cancelled office's door hold torque;
6) logic controller continues to detect the calling instruction, if detect the calling instruction, logic controller sends power throughing signal to transfer relay, and transfer relay is connected the dynamo-electric source of door, recovers door office door hold torque.
2. a kind of elevator door-motor power-economizing method according to claim 1, described step 2) logic controller situation signal in detecting gate office gate signal, calling instruction and the sedan-chair simultaneously and in the step 3), when satisfying three conditions, execution in step 4): 1. do not detect the calling instruction and 2. detect a machine-operated gate signal and 3. detect situation signal in the sedan-chair.
3. a kind of elevator door-motor power-economizing method according to claim 1, t's standby time starts at a little and to receive in the machine-operated gate signal or logic controller receives in the sedan-chair in the situation signal for logic controller in the described step 4).
4. a kind of elevator door-motor power-economizing method according to claim 1, the transfer relay in described step 5) and the step 6) has normally closed contact, is in on-state when not switching on.
5. elevator door-motor energy saver according to any described elevator door-motor power-economizing method operation of claim 1-4, comprise a machine (M), logic controller (1), transfer relay (2), sedan-chair inner sensor (3) and outside calling device (4), it is characterized in that: the door machine status signal input end (p1) of described logic controller (1) links to each other with door machine (M), and whether be used for detecting gate machine (M) closed; The power control signal mouth (p2) of described logic controller (1) links to each other with the input end of transfer relay (2), and the contact switch (K) of described transfer relay (2) links to each other with the power supply of door machine, is used for the break-make in the dynamo-electric source of control gate; Situation signal input part (p3) links to each other with sedan-chair inner sensor (3) in the sedan-chair of described logic controller (1), is used to receive the interior situation signal of sedan-chair that sedan-chair inner sensor (3) sends; The calling instruction input end (p4) of described logic controller (1) links to each other with outside calling device (4), is used to receive the calling instruction that calling device (4) sends.
6. according to the described elevator door-motor energy saver of claim 5, it is characterized in that: described logic controller (1) also comprises a manual signal input part, is used to receive master control personnel's manual control signal.
CN2011101795587A 2011-06-28 2011-06-28 Energy saving method and device for elevator door motor Pending CN102241356A (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103030038A (en) * 2012-12-28 2013-04-10 江南嘉捷电梯股份有限公司 Elevator
CN105398894A (en) * 2015-11-09 2016-03-16 日立电梯(中国)有限公司 Control method and system for elevator divided-period running
CN106167206A (en) * 2016-08-28 2016-11-30 宁波宏大电梯有限公司 A kind of energy-saving lift and the power-economizing method of elevator
CN111824874A (en) * 2019-04-17 2020-10-27 株式会社日立制作所 Elevator group management system and elevator group management method
CN112420449A (en) * 2020-11-25 2021-02-26 上海新时达电气股份有限公司 Elevator lock ladder system and elevator
CN114516572A (en) * 2022-02-28 2022-05-20 安徽迅立达电梯有限公司 Bottomless pit type elevator energy-saving management system

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JP2005255369A (en) * 2004-03-15 2005-09-22 Toshiba Elevator Co Ltd Door opening-closing control device of elevator
CN1241812C (en) * 1999-02-26 2006-02-15 奥蒂斯电梯公司 Inverter controller for elevator hoist and door motors
JP2006096510A (en) * 2004-09-29 2006-04-13 Mitsubishi Electric Corp Elevator device
CN101723209A (en) * 2009-12-18 2010-06-09 广州市特种机电设备检测研究院 Intelligent power-saving method and device for lift

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Publication number Priority date Publication date Assignee Title
JPS6030167U (en) * 1983-08-02 1985-02-28 三菱電機株式会社 Automatic elevator stop device
JPH0672676A (en) * 1992-08-31 1994-03-15 Toshiba F Ee Syst Eng Kk Door opening/closing control device for elevator
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103030038A (en) * 2012-12-28 2013-04-10 江南嘉捷电梯股份有限公司 Elevator
CN105398894A (en) * 2015-11-09 2016-03-16 日立电梯(中国)有限公司 Control method and system for elevator divided-period running
CN106167206A (en) * 2016-08-28 2016-11-30 宁波宏大电梯有限公司 A kind of energy-saving lift and the power-economizing method of elevator
CN111824874A (en) * 2019-04-17 2020-10-27 株式会社日立制作所 Elevator group management system and elevator group management method
CN111824874B (en) * 2019-04-17 2023-06-09 株式会社日立制作所 Elevator group management system and elevator group management method
CN112420449A (en) * 2020-11-25 2021-02-26 上海新时达电气股份有限公司 Elevator lock ladder system and elevator
CN112420449B (en) * 2020-11-25 2024-03-19 上海新时达电气股份有限公司 Elevator locking system and elevator
CN114516572A (en) * 2022-02-28 2022-05-20 安徽迅立达电梯有限公司 Bottomless pit type elevator energy-saving management system
CN114516572B (en) * 2022-02-28 2024-07-12 安徽迅立达电梯有限公司 Pit-free elevator energy-saving management system

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Application publication date: 20111116