CN103373647A - Elevator operation control system - Google Patents
Elevator operation control system Download PDFInfo
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- CN103373647A CN103373647A CN2012102799170A CN201210279917A CN103373647A CN 103373647 A CN103373647 A CN 103373647A CN 2012102799170 A CN2012102799170 A CN 2012102799170A CN 201210279917 A CN201210279917 A CN 201210279917A CN 103373647 A CN103373647 A CN 103373647A
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Abstract
According to an elevator operation control system, when a maintenance person is waiting at a bottom pit, the operation of an elevator capsule is restricted, the lower portion of a counter weight is not contacted to the maintenance person. Whether a maintenance person (18) exists in the bottom pit (16) is directly detected through a person detection sensor (a pyroelectric infrared sensor, a transmission type photoelectric sensor, a reflective photoelectric sensor or an ultrasonic wave sensor), when the maintenance person (18) exists in the bottom pit (16) is detected, the capsule (2) is restricted without moving upwards, and the counter weight (4) is prevented from entering the bottom pit (16).
Description
The application enjoys the preceence of this application take Japanese patent application 2012-093790 (applying date was as on April 17th, 2012) as the basis.The application comprises the full content of this application by reference this application.
Technical field
Embodiments of the present invention relate to a kind of elevator motion control system, can guarantee to carry out in elevator hoistways the safety of the service personnel of operation.
Background technology
As guaranteeing relevant prior art with the safety of in elevator hoistways, carrying out the service personnel of operation, the technology that exists Japanese Laid-Open Patent communique JP to put down in writing for 2006-44844 number.
In the technology that above-mentioned communique is put down in writing, be provided with and indirectly detect the lighting switch whether people is arranged in the pit of elevator hoistways.When having operated lighting switch by service personnel, be under an embargo for the part of the response of each car call, in order to car is moved in the pit of the elevator hoistways that is speculated as service personnel.
Yet in the upkeep operation of elevator, service personnel is taken advantage of in the car and make the car lifting sometimes, and other service personnels carry out upkeep operation in pit simultaneously.
In this case, in the time of near car arrives orlop, the service personnel in the pit might contact with the bottom of car.Therefore, in above-mentioned prior art, forbid the part for the response of each car call, and be restricted to car do not enter the specified layer that is associated with the place that detects service personnel etc., such as orlop etc., guarantee the safety of the service personnel in the pit.
But, in service at this existing elevator, do not consider the position of counterweight fully.Therefore, when car arrived the superiors, counterweight arrived near the pit, and the service personnel that is in the pit might contact with the bottom of counterweight.
Summary of the invention
The problem that the present invention will solve provides a kind of elevator motion control system, when in pit, having the people, the operation of restriction car, not only can prevent car the bottom, can also prevent that the bottom etc. of counterweight from contacting with people in the pit.
The elevator motion control system of embodiment is characterised in that to possess: the people detection sensor, detect in the pit of the elevator hoistways of the car by main cable connections and counterweight up-and-down movement whether the people is arranged; And control part, when not detecting the people by above-mentioned people detection sensor, control electrical motor and above-mentioned cage operation is controlled to be, response is from the bed of interest button of operation board in each landing button, the car and the calling of inspection switch, on the other hand, when detecting the people by above-mentioned people detection sensor, operation is controlled to be, and limits the up-and-down movement of above-mentioned car and above-mentioned counterweight is not entered in the above-mentioned pit.Herein, in embodiments of the present invention, " pit " is not only the bottom of hoistway, also comprised that from the bottom of hoistway be the working space of the top of predetermined distance.
Description of drawings
Fig. 1 is the summary pie graph of the first embodiment of expression elevator motion control system.
Fig. 2 is the circuit diagram of the circuit example of expression elevator motion control system shown in Figure 1.
Fig. 3 is the instruction diagram of an example of the installation site of expression people detection sensor.
The specific embodiment
" the first embodiment "
Fig. 1 is the summary pie graph of elevator device that the embodiment of elevator motion control system has been used in expression.
Elevator device 1 shown in this figure is, car 2 and the counterweight 4 that links by main rope 3 and this car 2, and lifting is configured in the elevator hoistways 5 freely.On the top of elevator hoistways 5, dispose the winch 6 that main rope 3 is moved and make car 2 and counterweight 4 bucket type ground liftings.In addition, at winch 6 car position detecting sensor 7 is installed, the rotating speed of traction cylinder, the anglec of rotation etc. are detected and export the cage position signal of the position of expression car 2.
Stop 11 in the superiors disposes operation response and exports the landing button 12 of car call signal.Each stop 13 beyond the superiors disposes operation response and exports the landing button 14 of car call signal.In car 2, dispose operation board 15 in the car of when the bed of interest button is pressed, exporting calling signal (bed of interest signal).
In addition, in the present embodiment, in the pit 16 of the bottom that consists of elevator hoistways 5, be provided with people detection sensor 17, detect in the pit 16 whether service personnel 18 is arranged.People detection sensor 17 can be by detecting hot line that the people sends output signal current pyroelectric infrared sensor, infrared light-emitting component and infrared ray photo detector made up to detect unmanned transmission-type opto-electronic pickup or reflective photoelectric sensor or detect unmanned ultrasonic transduter etc. with super sonic consist of.Herein, in the present embodiment, " pit 16 " not only refers to the bottom of elevator hoistways 5, but comprise from the bottom be the service personnel in the hoistway 5 of top of predetermined distance working space than major concept.
In addition, dispose control panel 19 on the top of elevator hoistways 5, this control panel 19 is according to the output of operation board 15 and people detection sensor 17 in landing button 12, each landing button 14, the car etc., drive winch 6 and device for opening/closing door etc., and carry out car 2 lifting, stop, the switching of door etc.
As shown in Figure 2, in control panel 19, be built-in with a plurality of relay coils 21,22,23,24,25 ...When people detection sensor 17 detected service personnel 18 and inner existing switch 26 for on-state (closure state), relay coil 21 was by excitation, and made two breaks 27,28 become off-state.When break 27 was pressed for the set landing button 12 of closure state and the superiors, relay coil 22 was by excitation, and output the superiors car call signal.At break 28 when the destination button 31 of the expression the superiors is pressed in set each destination button on the operation board 15 in for the car in closure state and the car 2, relay coil 23 is by excitation, and exports the superiors' car call signal.Relay coil 24 is provided with a plurality of, and when each landing button 14 beyond the superiors was pressed, relay coil 24 was by excitation, and the car call signal of each stop 13 beyond the output expression the superiors.Relay coil 23 also is provided with a plurality of, when each the destination button 32 in set each destination button, beyond the superiors is pressed on the operation board 15 in the car in car 2, relay coil 23 is by excitation, and the calling signal of each stop 13 beyond the output expression the superiors.In addition, also possess a plurality of relay coils (omitting diagram), these a plurality of relay coils are according to the output of car position detecting sensor 7 grades, and the various signals such as indicator signal, constant speed indicator signal, deceleration indicator signal, drum braking ring off signal, permission enabling signal are accelerated in output.
＜action 〉
Do not have service personnel 18 and the set switch 26 in the inside of people detection sensor 17 when becoming off-state in pit 16, the relay coil 21 of control panel 19 is excited state not, and each break 27,28 is closure state.
Thus, when operation board 15 etc. is operated in set each landing button 14 of the set landing button 12 of the stop 11 of the superiors, each stop 13 beyond the superiors or car, with the content of operation of operation board 15 in each landing button 12,14 content of operation, the car, from the corresponding relay coil 22 ~ 25 such as the car position information of car position detecting sensor 7 outputs by excitation.Thus, the calling signal of output expression bed of interest, drum braking ring off signal, allow the various signals such as enabling signal, and the actions such as winch 10, each device for opening/closing door, and can move to the bed of interest that is in each stop 11,13 passenger.
In addition, service personnel 18 is arranged and the set switch 26 in the inside of people detection sensor 17 when becoming closure state in pit 16, the relay coil 21 of control panel 19 is by excitation, and makes each break 27,28 become off-state.
Under this state, make in the indication, the car in the car 2 of the set landing button 14 of the stop 11 of the superiors on the operation board 15 indication of the destination button 31 of the set expression the superiors invalid, do not go near the pit 16 and the operation of car 2 is restricted to counterweight 4.Thus, protect, so that the service personnel 18 that is in the pit 16 does not contact with counterweight 4.
In addition, even in this case, each landing button 14 that each stop 13 beyond the superiors is set, when the set the superiors' each destination button 32 in addition is operated on the operation board 15 in the car in the car 2, also according to common operation content, it is the content of operation of each landing button 14, the content of operation of each set destination button 32 etc. on the operation board 15 in the car, each relay coil 22,23 grades are by excitation, and the calling signal of output expression bed of interest, the drum braking ring off signal, allow the various signals such as enabling signal, and can move to the passenger's who is in each stop 13 bed of interest.
At this moment, according to from the car position information of car position detecting sensor 7 output etc., the position of grasping car 2 when normal by control panel 19, and adjust ascending velocity, the descending speed of car 2.
Thus, along with car 2 rises and near lower one decks of the superiors etc., car 2 slows down gradually, so the ascending velocity of car 2 is limited, so that the safety of the service personnel 18 in the pit 16 is guaranteed to be in lentamente near the service personnel 18 in the pit 16 in the bottom of counterweight 4.
So, in the first embodiment, by being arranged on the people detection sensor 17 in the pit 16, whether service personnel 18 is arranged in the direct-detection pit 16, when in pit 16, service personnel 18 being arranged, can limit the operation of car 2, so that car 2 does not go to the superiors, and counterweight 4 not entered in the pit 16.Therefore, enter service personnels 18 in the pit 16 do not carry out special switching manipulation, such as the operation that specific lighting fixture etc. is lit a lamp etc., just can guarantee to be in the safety of the interior service personnel 18 of pit 16.
In addition, in the first embodiment, when in pit 16, service personnel 18 being arranged, car 2 is moved between lower one decks of the superiors and orlop.Therefore, even when in pit 16, service personnel 18 being arranged, also can not hinder the passenger's who utilizes the superiors' layer in addition comfort feature.
And, in the first embodiment, detect the position of car 2 when normal by car position detecting sensor 7.Therefore, rise and during near lower one deck of the superiors etc., car 2 is suitably slowed down at car 2, and the bottom etc. that makes counterweight 4 is lentamente near the interior service personnel 18 of pit 16.Thus, the attention that is in the service personnel 18 in the pit 16 can be caused, safety can be further guaranteed.
And, in the first embodiment, when in pit 16, service personnel 18 being arranged, make in the car in the indication, car 2 of the set landing button of the superiors 14 on the operation board 15 indication of the destination button 31 of the set expression the superiors invalid.Therefore, when in pit 16, service personnel 18 being arranged, even in the set landing button 14 of the superiors, car in the car 2 on the operation board 15 the destination button 31 of the set expression the superiors by the situation of maloperation under, the bottom etc. that yet can make counterweight 4 contact with service personnel 18 in the pit 16, can guarantee thus to be in the safety of the interior service personnel 18 of pit 16.
＜variation 1 〉
In the above-described first embodiment, 1 people's detecting sensor 17 is installed on the hoistway wall of pit 16.But, also can for example use 2 people's detecting sensors 17 as shown in Figure 3, with a lower face that is arranged on counterweight 4, another is arranged on the hoistway wall different from the hoistway wall of counterweight 4 up-and-down movements.Thus, when counterweight 4 and pit 16 are close to predetermined distance, can detect on one's own initiative service personnel 18.In addition, can eliminate the dead angle in the detection of people detection sensor 17, and, even 1 et out of order etc. also can detect the existence of service personnel 18 reliably.In addition, the installation site that can consider people detection sensor 17 is provided with a plurality of or is provided with a plurality of etc. various installation forms in counterweight 4 at the hoistway wall.
＜variation 2 〉
In the above-described first embodiment, as people detection sensor 17, use current pyroelectric infrared sensor, transmission-type opto-electronic pickup, reflective photoelectric sensor and ultrasonic transduter etc., when in pit 16, service personnel 18 being arranged, directly detect this service personnel 18.But, also can be indirectly to detect the method that in pit 16, whether has service personnel 18 such, for example be following method: when pit 16 interior set lighting fixtures are lit a lamp, perhaps in that pit 16 is interior when disable switch (disable switch) and this disable switch being set becoming on-state, being judged as has service personnel 18 in pit 16.
＜variation 3 〉
In the above-described first embodiment, as people detection sensor 17,1 kind of sensor of choice for use from current pyroelectric infrared sensor, transmission-type opto-electronic pickup, reflective photoelectric sensor and ultrasonic transduter etc., but also the multiple sensors such as these current pyroelectric infrared sensors, transmission-type opto-electronic pickup, reflective photoelectric sensor and ultrasonic transduter can be made up, and judge whether service personnel 18 is arranged in pit 16.
Thus, the incomplete of detection characteristic that each sensor has can be mutually remedied, the safety of the service personnel 18 in the pit 16 can be further guaranteed reliably to be in.
＜variation 4 〉
In the above-described first embodiment, when in pit 16, service personnel 18 being arranged, car 2 is moved between lower one decks of the superiors and orlop, but also can be with the operation content constraints of car, car 2 is merely able to move between lower one deck of undermost last layer and the superiors, and counterweight 4 and car 2 are not entered in the pit 16.
＜variation 5 〉
In the above-described embodiment, when in pit 16, service personnel 18 being arranged, the operation of car 2 is restricted to car 2 does not go to the superiors, and counterweight 4 is not entered in the pit 16, but also can for, when in pit 16, service personnel 18 being arranged, the operation of car 2 is restricted to car 2 does not go to the superiors, orlop, and car 2 and counterweight 4 are not entered in the pit 16.
＜other embodiment 〉
Several embodiment of the present invention more than has been described, but these embodiments are to point out as an example, do not attempt to limit scope of invention.These new embodiments can be implemented with other variety of way, in the scope that does not break away from inventive concept, can carry out various omissions, displacement and change.These embodiments and its distortion are included in scope of invention and the purport, and are included in the invention that the scope of patent request puts down in writing and in the scope that is equal to it.
Claims (6)
1. elevator motion control system is characterized in that possessing:
The people detection sensor detects in the pit of the elevator hoistways of the car by main cable connections and counterweight up-and-down movement whether the people is arranged; And
Control part, when not detecting the people by above-mentioned people detection sensor, control electrical motor and above-mentioned cage operation is controlled to be, response is from the bed of interest button of operation board in each landing button, the car and the calling of inspection switch, on the other hand, when detecting the people by above-mentioned people detection sensor, operation is controlled to be, and limits the up-and-down movement of above-mentioned car and above-mentioned counterweight is not entered in the above-mentioned pit.
2. elevator motion control as claimed in claim 1 system is characterized in that,
Above-mentioned people detection sensor setting is in above-mentioned pit or on the above-mentioned counterweight.
3. elevator motion control as claimed in claim 1 system is characterized in that,
Above-mentioned people detection sensor setting has a plurality of, and adopt be arranged in the above-mentioned pit and on the above-mentioned counterweight, in above-mentioned pit, be provided with a plurality of or be provided with a plurality of any one in above-mentioned counterweight form is set.
4. elevator motion control as claimed in claim 1 system is characterized in that,
Above-mentioned people detection sensor is, rises in elevator hoistways and above-mentioned counterweight and above-mentioned pit when being close to predetermined distance at above-mentioned car, detects on one's own initiative the people.
5. elevator motion control as claimed in claim 1 system is characterized in that,
Be provided with the car position detecting sensor of the position of detecting above-mentioned car,
Above-mentioned control part is, when detecting the people by above-mentioned people detection sensor, use is from the location information of the above-mentioned car of above-mentioned car position detecting sensor output, the moving range of above-mentioned car is limited between lower one deck of orlop and the superiors, and adjusts the rising or falling speed of above-mentioned car.
6. elevator motion control as claimed in claim 1 system is characterized in that,
Above-mentioned control part is, when detecting the people by above-mentioned people detection sensor, make the indication of the destination button of the expression the superiors in each set on the interior operation board of indication, the car in the car of the set landing button of the superiors destination button invalid, forbid the calling to the superiors.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP093790/2012 | 2012-04-17 | ||
| JP2012093790A JP2013220895A (en) | 2012-04-17 | 2012-04-17 | Operation control system for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103373647A true CN103373647A (en) | 2013-10-30 |
Family
ID=49459561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102799170A Pending CN103373647A (en) | 2012-04-17 | 2012-08-08 | Elevator operation control system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013220895A (en) |
| CN (1) | CN103373647A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105712141A (en) * | 2014-12-22 | 2016-06-29 | 株式会社日立制作所 | Elevator control device and elevator control method |
| CN106542395A (en) * | 2016-12-06 | 2017-03-29 | 宁波永良电梯技术发展有限公司 | Elevator hoistways monitoring system and its monitoring method |
| CN106586745A (en) * | 2016-12-06 | 2017-04-26 | 宁波永良电梯技术发展有限公司 | Elevator shaft monitoring system and monitoring method thereof |
| CN107098235A (en) * | 2016-02-23 | 2017-08-29 | 广东日创电梯有限公司 | Infrared elevator car top spatial operation safety system and method |
| CN107487675A (en) * | 2016-06-09 | 2017-12-19 | 株式会社日立大厦系统 | Elevator maintenance inspection system |
| WO2018214197A1 (en) * | 2017-05-26 | 2018-11-29 | 中国矿业大学 | Monitoring apparatus and monitoring method for safe launch of coal mine main shaft vertical shaft hoisting skip |
| CN109386773A (en) * | 2018-11-09 | 2019-02-26 | 迅达（中国）电梯有限公司 | Elevator shaft lighting device |
| CN113329963A (en) * | 2019-03-06 | 2021-08-31 | 三菱电机大楼技术服务株式会社 | Control system for elevator not performing automatic operation when performing maintenance operation in hoistway |
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| JP6120789B2 (en) * | 2014-02-27 | 2017-04-26 | 三菱電機ビルテクノサービス株式会社 | Pit light interlocking control device |
| JP6537718B2 (en) * | 2016-05-23 | 2019-07-03 | 三菱電機株式会社 | Elevator equipment |
| WO2021090623A1 (en) * | 2019-11-05 | 2021-05-14 | 株式会社日立製作所 | Elevator control device, elevator control method, and elevator system |
| JP7179032B2 (en) * | 2020-02-28 | 2022-11-28 | 株式会社日立ビルシステム | Worker detection alarm device and method for generating worker detection alarm |
| CN111302183A (en) * | 2020-04-01 | 2020-06-19 | 张明 | Elevator without pit |
| JP7369668B2 (en) * | 2020-05-28 | 2023-10-26 | 株式会社日立製作所 | Elevator control device and elevator control method |
| JP7395438B2 (en) * | 2020-07-20 | 2023-12-11 | 株式会社日立ビルシステム | Elevator alarm system and elevator alarm method |
| JP7449494B2 (en) | 2022-07-07 | 2024-03-14 | フジテック株式会社 | elevator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1524058A (en) * | 2001-07-09 | 2004-08-25 | �����ذ¹ɷݹ�˾ | Lift installation having a virtual protection area at the bottom and/or the top of the lift shaft, and method for controlling the same |
| JP2006044844A (en) * | 2004-08-02 | 2006-02-16 | Mitsubishi Electric Building Techno Service Co Ltd | Operation control device for elevator |
| CN101511716A (en) * | 2006-11-20 | 2009-08-19 | 三菱电机株式会社 | Elevator apparatus |
| US20120018256A1 (en) * | 2007-12-03 | 2012-01-26 | Otis Elevator Company | Passive detection of persons in elevator hoistway |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11199151A (en) * | 1998-01-08 | 1999-07-27 | Mitsubishi Electric Building Techno Service Co Ltd | Approach warning device for car and counterweight of adjacent elevator |
| JP2012051665A (en) * | 2010-08-31 | 2012-03-15 | Toshiba Elevator Co Ltd | Safety device of elevator |
-
2012
- 2012-04-17 JP JP2012093790A patent/JP2013220895A/en active Pending
- 2012-08-08 CN CN2012102799170A patent/CN103373647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1524058A (en) * | 2001-07-09 | 2004-08-25 | �����ذ¹ɷݹ�˾ | Lift installation having a virtual protection area at the bottom and/or the top of the lift shaft, and method for controlling the same |
| JP2006044844A (en) * | 2004-08-02 | 2006-02-16 | Mitsubishi Electric Building Techno Service Co Ltd | Operation control device for elevator |
| CN101511716A (en) * | 2006-11-20 | 2009-08-19 | 三菱电机株式会社 | Elevator apparatus |
| US20120018256A1 (en) * | 2007-12-03 | 2012-01-26 | Otis Elevator Company | Passive detection of persons in elevator hoistway |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712141A (en) * | 2014-12-22 | 2016-06-29 | 株式会社日立制作所 | Elevator control device and elevator control method |
| CN107098235A (en) * | 2016-02-23 | 2017-08-29 | 广东日创电梯有限公司 | Infrared elevator car top spatial operation safety system and method |
| CN107487675A (en) * | 2016-06-09 | 2017-12-19 | 株式会社日立大厦系统 | Elevator maintenance inspection system |
| CN106542395A (en) * | 2016-12-06 | 2017-03-29 | 宁波永良电梯技术发展有限公司 | Elevator hoistways monitoring system and its monitoring method |
| CN106586745A (en) * | 2016-12-06 | 2017-04-26 | 宁波永良电梯技术发展有限公司 | Elevator shaft monitoring system and monitoring method thereof |
| WO2018214197A1 (en) * | 2017-05-26 | 2018-11-29 | 中国矿业大学 | Monitoring apparatus and monitoring method for safe launch of coal mine main shaft vertical shaft hoisting skip |
| CN109386773A (en) * | 2018-11-09 | 2019-02-26 | 迅达（中国）电梯有限公司 | Elevator shaft lighting device |
| CN113329963A (en) * | 2019-03-06 | 2021-08-31 | 三菱电机大楼技术服务株式会社 | Control system for elevator not performing automatic operation when performing maintenance operation in hoistway |
| CN113329963B (en) * | 2019-03-06 | 2023-05-12 | 三菱电机楼宇解决方案株式会社 | Control system for elevator not automatically operating when maintenance work is performed in hoistway |
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| JP2013220895A (en) | 2013-10-28 |
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Application publication date: 20131030 |