CN102674123A - Elevator with safety device at doorway of cabinet - Google Patents
Elevator with safety device at doorway of cabinet Download PDFInfo
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- CN102674123A CN102674123A CN2012100087487A CN201210008748A CN102674123A CN 102674123 A CN102674123 A CN 102674123A CN 2012100087487 A CN2012100087487 A CN 2012100087487A CN 201210008748 A CN201210008748 A CN 201210008748A CN 102674123 A CN102674123 A CN 102674123A
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Abstract
The invention provides an elevator with a safety device at a doorway of a cabinet. The mode of execution of the invention refers to an elevator with a safety device at a door device of a doorway of a cabinet. According to the elevator with a safety device, the safety device is arranged at an entrance of a cabinet and can suitably and stably detect barriers near the door device in a whole year without adjustment operation according to seasons. In one embodiment, the elevator is provided with a door device (2) and a reflection-type photoelectric transducer (5). The door device (2) is provided with door plates (2a, 2b) capable of moving between a closing position for closing a doorway (1) of the cabinet and an opening position accepted in a door camera obscura part (4) sideward the doorway (1). The reflection-type photoelectric transducer (5) irradiates sensor beams for detecting barriers from an adjacent position to a surface of a door plate (2a) facing the inner of the cabinet near an entrance column (3a) when the door plates (2a, 2b) are at the closing position.
Description
The application is based on Japanese patent application 2011-052741 (applying date: on 03 10th, 2011) and enjoy its preceence.The application is through comprising the full content of this application with reference to this application.
Technical field
Embodiment of the present invention relates to the elevator that possesses safety device at the door gear place that is arranged at the car gangway.
Background technology
Elevator is provided with door gear in the car gangway.This door gear have can sway door-plate.Door-plate moves between the door camera bellows portion of car gangway osed top is closed the door position and side, gangway.Yet under the situation that the passenger who takes car stands near the door camera bellows place of the door-plate of door gear, if hand or clothes just contact with door-plate, when door-plate during to door camera bellows side shifting (opening the door), passenger's hand or clothes might be involved in a camera bellows.Therefore, door gear being provided with optical pickocff waits and takes Security Countermeasures.For example, if optical pickocff detects the passenger near door-plate as obstacle, then impel the passenger to arouse attention.
As optical sensor, adopt reflection-type photoelectricity formula sensor.With the top of reflection-type photoelectricity formula sensor configuration at door gear.This reflection-type optical formula sensor is the illumination sensor light beam downwards, thereby detects obstacle through receiving its reflected light.Reflection-type photoelectricity formula sensor is according to the ambient temperature of periphery and effective irradiation distance of sensor light beam changes.That is, effective irradiation distance of sensor light beam changes detectability generation difference in summer and winter.Therefore, need by carry out each season to the adjustment of the output of sensor or to the catoptrical light-receiving device that receives the sensor light bundle towards adjustment operations such as adjustment, thereby trouble very.
Summary of the invention
Embodiment of the present invention provides the elevator that possesses safety device, and this safety device is arranged on the car gangway, even also can be annual stable and near the obstacle the detecting gate device suitably not according to adjusting operation each season.
The elevator of an embodiment has door gear and reflection-type photoelectricity formula sensor.Door gear has is closing the door car gangway osed top position and be incorporated in the door-plate that moves between the opening position in the door camera bellows portion of side, gangway.Reflection-type photoelectricity formula sensor; Be positioned at door-plate under the situation of the position of closing the door; Through the discrepancy oral pillar of gangway sidepiece and the gap between the door-plate, near the surface of the door-plate in the car the oral pillar of coming in and going out, the sensor light beam of using from adjoining position irradiation detection of obstacles.
In possessing the elevator of said structure, the irradiation distance of the sensor light beam of reflection-type photoelectricity formula sensor is short, so the variation of effective irradiation distance of sensor light beam is difficult for being influenced by the variation of ambient temperature.That is, this reflection-type photoelectricity formula sensor, even ambient temperature and season respective change, need not adjust yet output and light-receiving device towards.Therefore, near the precision of the obstacle this elevator detecting gate device is annual stable, the safety in the time of guaranteeing door gear is opened and closed.
Description of drawings
Fig. 1 is the front view of door gear of the elevator of expression first embodiment.
Fig. 2 is the birds-eye view of expression door gear shown in Figure 1.
Fig. 3 is the block diagram of structure of the control circuit of expression door gear shown in Figure 1.
Fig. 4 is the front view of door gear of the elevator of expression second embodiment.
Fig. 5 is the front view of door gear of the elevator of expression the 3rd embodiment.
Fig. 6 is the front view of door gear of the elevator of expression the 4th embodiment.
Fig. 7 is the front view of door gear of the elevator of expression the 5th embodiment.
Fig. 8 is the birds-eye view of door gear of the elevator of expression the 6th embodiment.
Fig. 9 is the front view of door gear of the elevator of expression the 7th embodiment.
Figure 10 is the front view of door gear of the elevator of expression the 8th embodiment.
Figure 11 is the front view of door gear of the elevator of expression the 9th embodiment.
Figure 12 is reflective photoelectric sensor and the front view of burnisher of door gear of the elevator of expression the tenth embodiment.
The specific embodiment
Below, with reference to each embodiment of description of drawings.
Fig. 1～Fig. 3 illustrates first embodiment.Fig. 1 representes the door gear 2 that the car gangway 1 at elevator of this embodiment is provided with.This door gear 2 is to possess a pair of door-plate 2a that about the mode that forward laps, arranges with the end, door gear 2 2b, so-called two fan door single openeds.A pair of door- plate 2a, 2b adopt to equidirectional and move with friction speed and multistage speed formula structure that gangway 1 is opened and closed.
Discrepancy oral pillar 3a, 3b are located at the both sides of gangway 1.The outside of the oral pillar 3a that comes in and goes out becomes a camera bellows portion 4.Arrange about a pair of door- plate 2a, 2b and under the situation that the gangway 1 osed top state of closing the door is opened the door, each door- plate 2a, 2b move to door camera bellows portion 4 respectively.Another door-plate 2b moves with 2 times the speed that is almost a door-plate 2a.Two door- plate 2a, 2b have this velocity contrast and when arriving a camera bellows portion 4, and door- plate 2a, 2b are just in time overlapping and be incorporated in a camera bellows portion 4.That is, a pair of door- plate 2a, 2b be through moving in position and being incorporated between the opening position of door camera bellows portion 4 of 1 side, gangway that gangway 1 osed top is closed the door, thereby gangway 1 is opened and closed.
Fig. 2 is the birds-eye view from last observation door gear shown in Figure 1.As illustrated in fig. 2 door- plate 2a, 2b are being configured under the situation of the position of closing the door, door gear is come in and gone out at one and is had gap a between oral pillar 3a and the door-plate 2a.The reflection-type photoelectricity formula sensor 5 of aiming at this gap a illumination sensor light beam is arranged on a camera bellows portion 4.Reflection-type photoelectricity formula sensor 5 as illustrated in fig. 1 near the oral pillar 3a that comes in and goes out and the short transverse that is arranged on door-plate 2a from the centre by under the position.
Reflection-type photoelectricity formula sensor 5 is examples of safety device, possesses irradiator 5a and light-receiving device 5b.Irradiator 5a is through gap a, the sensor light beam of using to surface and near the area illumination detection of obstacles the oral pillar 3a that comes in and goes out of the door-plate 2a in cage from door camera bellows portion 4.In this embodiment, the sensor light beam is an infrared ray.In the scope of having shone the sensor light beam, exist under the situation of obstacle, the sensor light beam runs into obstacle and reflects.A catoptrical part incides light-receiving device 5b and receives light.If light-receiving device 5b receives reflected light, then reflection-type photoelectricity formula sensor 5 is exported the detection signal of regulation.
Fig. 3 is the block diagram of structure of a part of control circuit that is illustrated in the elevator of this embodiment, is arranged at the door gear of car.Send to control unit 10 as illustrated in fig. 3 from the detection signal of reflection-type photoelectricity formula sensor 5 outputs.Control unit 10 is controlled at the sound generating apparatus 11 that is provided with in the cage, and report is used for impelling the broadcast announcement of the regulation of attention in cage.
The effect of this embodiment then, is described.
In this elevator, following such things becomes the obstacle to the sensor light beam.For example; Take among the passenger of car near door-plate 2a and stand in the things that near the passenger's the oral pillar 3a that comes in and goes out hand, clothes etc. contact with near the oral pillar 3a that comes in and goes out door-plate 2a, promptly this hand, clothes etc. might be involved in a things of camera bellows portion 4 under the situation that door-plate 2a opens the door.Run into the hand that becomes obstacle, clothes and reflect from the sensor light beam of the irradiator 5a of reflection-type photoelectricity formula sensor 5 irradiation.This catoptrical part incides light-receiving device 5b and is received light.If light-receiving device 5b receives reflected light, then detection signal is sent to control unit 10.Control unit 10 is play notice based on detecting signal and guide sound tone generating device 11 in cage.
As an example of broadcast announcement, be " not please note and be involved in the door." or " please a little away from door." wait the content of impelling attention like this.Passenger by this broadcast announcement is reminded can be away from door-plate 2a.Thereby as door-plate 2a, when 2b opens the door, hand, the indrawn danger of clothes can prevent trouble before it happens, thereby guarantee safety.
In addition, under near the part passenger's beyond the oral pillar 3a that comes in and goes out hand, clothes and the situation that door-plate 2a contact,, so can't detect these owing to outside the sensor light beam range of exposures of reflection-type photoelectricity formula sensor 5.But, near the part beyond this discrepancy oral pillar 3a, be zone beyond the sensor light beam range of exposures of reflection-type photoelectricity formula sensor 5 fully away from the oral pillar 3a that comes in and goes out, so passenger's hand, clothes can not be involved in gap a.
Reflection-type photoelectricity formula sensor 5 is according to ambient temperature and effective irradiation distance of sensor light beam changes.In this embodiment, reflection-type photoelectricity formula sensor 5 is arranged near the position the discrepancy oral pillar 3a of a camera bellows portion 4, near the illumination sensor light beam discrepancy oral pillar 3a on the surface of the door-plate 2a in cage.That is, the irradiation distance of sensor light beam is enough short, also diminishes with the variable quantity of effective irradiation distance of the corresponding sensor light beam of ambient temperature.Therefore, it is influenced hardly that reflection-type photoelectricity formula sensor 5 is used for detecting the performance of obstacle.As a result, need be according to season in summer and winter and to the output of reflection-type photoelectricity formula sensor 5 adjust or to light-receiving device 5b towards the adjustment operation of adjusting.Reflection-type photoelectricity formula sensor 5 can annually be stablized and suitably detect obstacle, so elevator can be realized safety to the passenger.
If as in the past reflection-type photoelectricity formula sensor is arranged on the top of door gear, then the irradiation distance of the sensor light beam of outgoing downwards is elongated.If the optical axis angle of sensor light beam has deviation slightly, then irradiation position has than large deviation.Therefore, the angle of reflection-type photoelectricity formula sensor outgoing sensor light beam and the adjustment that angle is set that receives catoptrical light-receiving device need high precision.
To this, under the situation of the elevator of this embodiment, because the irradiation distance of the sensor light beam of reflection-type photoelectricity formula sensor is short, even therefore the deviation of irradiating angle takes place, irradiation position is bias free almost also.Therefore, do not need adjustment, even perhaps need adjustment can easily carry out this adjustment yet.
In addition, reflection-type photoelectricity formula sensor 5 also can be installed in the end of the door camera bellows portion 4 of come in and go out oral pillar 3a or door-plate 2a.Also can realize the effect same in these cases with the situation of first embodiment.
Below; In the elevator of second to the tenth embodiment; For the structure that has with the elevator identical function of first embodiment, in the explanation and accompanying drawing in each embodiment, the identical symbol of structure of the elevator of additional and first embodiment describes.With corresponding description references first embodiment of the structure of in each embodiment, having added symbol.
Fig. 4 representes second embodiment.In this embodiment, 2 reflection-type photoelectricity formula sensors 5,6 are arranged on the door camera bellows portion 4 of door-plate 2a with being arranged above and below.Reflection-type photoelectricity formula sensor 5,6 has irradiator 5a, 6a and light- receiving device 5b, 6b respectively.Each irradiator 5a, 6a be through door-plate 2a and the gap of coming in and going out between the oral pillar 3a, and near the scope the discrepancy oral pillar 3a on the surface of the door-plate 2a in cage is shone the sensor light beam that is used for detecting obstacle.In the scope of having shone the sensor light beam, exist under the situation of the hand become obstacle, clothes, the sensor light beam runs into this hand, clothes and reflects.A catoptrical part incides each light-receiving device 5b, 6b and receives light.According to signal from light-receiving device 5b, 6b output, control unit guide sound tone generating device, report is used for impelling the broadcast announcement of attention in car.
Under the situation of this embodiment, the setting that is arranged above and below of a plurality of reflection-type photoelectricity formula sensors 5,6, near its each irradiator 5a, the 6a illumination sensor light beam discrepancy oral pillar 3a on the surface of the door-plate 2a in cage.Therefore, the sensor light beam from a plurality of irradiator 5a, 6a outgoing forms the wide range of exposures that extends below.As a result, this elevator can detect obstacles such as being positioned near the hand of gangway post 3a, clothes reliably.
Fig. 5 representes the 3rd embodiment.In this embodiment, 2 reflection-type photoelectricity formula sensors 5,6 are arranged on the door camera bellows portion 4 of door-plate 2a with being arranged above and below.The irradiating part 5a of each reflection-type photoelectricity formula sensor 5,6,6a be difference illumination sensor light beam near the discrepancy oral pillar 3a on the surface of the door-plate 2a in cage.The direction of illumination of sensor light beam that is positioned at the reflection-type photoelectricity formula sensor 5 of upside is set to than level and is tilted to down a little.The direction of illumination of the sensor light beam of the reflection-type photoelectricity formula sensor 6 of downside is set to than level and is tilted to a little.That is, the direction of illumination of both sides' sensor light beam is a direction intersecting each other.The part of the range of exposures of these sensor light beams is surperficial overlapped door-plate 2a's.
Under the situation of the 3rd embodiment, also possesses the catoptrical light-receiving device 7 that commonly receives from the sensor light beam of 2 reflection-type photoelectricity formula sensors, 5,6 difference outgoing.This light-receiving device 7 is configured in the position intermediate of 2 irradiating part 5a, 6a.In this embodiment, from 2 reflection-type photoelectricity formula sensors 5,6 range of exposures a part of overlapped of the sensor light beam of outgoing respectively.Therefore, can more clearly detect the obstacle that is positioned at the overlapping part of range of exposures.In addition, the elevator of this embodiment possesses at adjacent reflection-type photoelectricity formula sensor 5, between 6, receives the catoptrical light-receiving device 7 of each sensor light beam.Therefore, the quantity of light-receiving device reduces and can cutting down cost.
Fig. 6 representes the 4th embodiment.In this embodiment, the irradiator 5a of reflection-type photoelectricity formula sensor 5 possesses the concavees lens 8 of light diffusion usefulness in the part of outgoing sensor light beam.The sensor light beam of outgoing shines near the discrepancy oral pillar 3a on the surface of the door-plate 2a in cage through these concavees lens 8.Under the situation of this embodiment, concavees lens 8 spread sensors light beams, so the range of exposures of the sensor light beam on the surface of door-plate 2a is enlarged.1 reflection-type photoelectricity formula sensor 5 spreads all over wide scope ground and detects obstacle.Under the wide situation of the scope that will detect obstacle, with being set, a plurality of reflection-type photoelectricity formula sensors compare, can reduce the quantity of reflection-type photoelectricity formula sensor 5.
Fig. 7 representes the 5th embodiment.In this embodiment, reflection-type photoelectricity formula sensor 5 be configured in respect to come in and go out oral pillar 3a and from the gangway 1 to door camera bellows portion 4 sides, than the situation of other embodiment away from the position.The gap of the irradiator 5a of this reflection-type photoelectricity formula sensor 5 through coming in and going out between oral pillar 3a and the door-plate 2a, near the illumination sensor light beam discrepancy oral pillar 3a on the surface of the door-plate 2a in cage.
Under the situation of this embodiment, the distance till from reflection-type photoelectricity formula sensor 5 to the irradiated site of sensor light beam is compared elongated with the situation of other embodiment.Therefore, wide with respect to the range of exposures of the sensor light beam on the surface of door-plate 2a, therewith correspondingly, can detect the obstacle of wider scope.
Fig. 8 representes the 6th embodiment.In this embodiment, reflection-type photoelectricity formula sensor 5 is arranged on the inside of the oral pillar 3a that comes in and goes out.The oral pillar 3a that comes in and goes out has opening 10 at the wall place relative with door-plate 2a.Pass the gap a that comes in and goes out between oral pillar 3a and the door-plate 2a from the sensor light beam of the irradiator 5a outgoing of reflection-type photoelectricity formula sensor 5 from this opening 10, near the discrepancy oral pillar 3a on the surface of the door-plate 2a in cage, shine.Exist contacting with surface near the door-plate 2a of the oral pillar 3a that comes in and goes out under passenger's the situation of obstacles such as hand, clothes, the sensor light beam is reflected.The light-receiving device 5b that a catoptrical part incides in the set inside of the oral pillar 3a that comes in and goes out through gap a and opening 10 and received light.Control unit 10 is according to the detecting signal that has received catoptrical light-receiving device 5b, and the guide sound tone generating device is reported the broadcast announcement that impels attention to the passenger in the car.
In addition, the elevator of the 6th embodiment also possesses reflection-type photoelectricity formula sensor 12 in door-plate 2a.Reflection-type photoelectricity formula sensor 12 is built in the end that becomes a door shield side of the opposition side of camera bellows portion 4 sides (family is when the り side) of door-plate 2a.The irradiator 12a of this reflection-type photoelectricity formula sensor 12 and light-receiving device 12b the short transverse of door-plate 2a be configured in than the centre by under the position.Door-plate 2a has opening 13 at the wall place towards the outside of car corresponding to reflection-type photoelectricity formula sensor 12.The irradiator 12a of reflection-type photoelectricity formula sensor 12 makes the outgoing of sensor light beam through this opening 13.
Have passenger's hand, clothes if near the door shield side end of low-tach door-plate 2a, contact with the surface of high-revolving door-plate 2b, then this hand, clothes may be involved in gap b when door gear 2 opens the door.
Under the situation of this embodiment; The hand, the clothes that have the passenger if near the door shield side end of low-tach door-plate 2a, contact with the surface of high-revolving door-plate 2b then run into hand, clothes and reflect from the sensor light beam of the irradiator 12a irradiation of reflection-type photoelectricity formula sensor 12.A catoptrical part incides door-plate 2a through gap b and opening 13, and the light-receiving device 12b of the type that is reflected electro-optical pickoff 12 receives.Control unit 10 bases and the reflected light that is received be correspondingly from the detection signal of reflection-type photoelectricity formula sensor 12 outputs, guide sound tone generating device 11, and the passenger's report in the forward direction car that opens the door impels the broadcast announcement of attention.Therefore hand, the indrawn danger of clothes can prevent trouble before it happens, thereby guarantee safety.
Elevator shown in first to the 6th embodiment possesses the door gear 2 of two fan door single openeds of the multistage speed formula structure that comprises low speed door-plate 2a and high speed door-plate 2b.
Fig. 9 representes the 7th embodiment.The elevator of the 7th embodiment possesses the door gear 2 of double-open type.The a pair of door-plate 2a, the 2b that arrange about this door gear 2 possesses at grade.Door- plate 2a, 2b along leave each other open the door direction and each other the approaching direction of closing the door move.Under the situation of the elevator of the door gear that possesses double-open type 2, the door camera bellows 4a of portion, 4b in two outsides that are arranged on gangway 1 possess reflection-type photoelectricity formula sensor 5 respectively.
That is, possess the elevator of the door gear 2 of double-open type structure, in each 4a of camera bellows portion, 4b, near come in and go out oral pillar 3a, 3b, the short transverse of door- plate 2a, 2b than middle by under position configuration reflection-type photoelectricity formula sensor 5.
Each reflection-type photoelectricity formula sensor 5 possesses irradiator 5a and light-receiving device 5b.And the irradiator 5a of the cooresponding reflection-type photoelectricity of a door-plate 2a formula sensor 5 is through door-plate 2a and the gap of coming in and going out between the oral pillar 3a, from the door camera bellows portion 4 of the door-plate 2a surface irradiation sensor light beam near the door-plate 2a of discrepancy oral pillar 3a.The irradiator 5a of another and the cooresponding reflection-type photoelectricity of door-plate 2b formula sensor 5 is through door-plate 2b and the gap of coming in and going out between the oral pillar 3b, from the door camera bellows portion 4 of another door-plate 2b surface irradiation sensor light beam near the door-plate 2b of discrepancy oral pillar 3b.In the range of exposures of sensor light beam, exist under the situation of obstacle, the sensor light beam runs into this obstacle and reflects.A catoptrical part incides the light-receiving device 5b of cooresponding reflection-type photoelectricity formula sensor 5 and receives light.If light-receiving device 5b receives reflected light, the detection signal of then stipulating from 5 outputs of reflection-type photoelectricity formula sensor.Control unit 10 impels the broadcast announcement of attention according to detecting signal guide sound tone generating device to the report of the passenger in the car.
Therefore, if near the passenger who in car, stand in come in and go out oral pillar 3a, the 3b is positioned at the surperficial position contacting that makes hand, clothes and door- plate 2a, 2b, the sensor light beam that then shines from each reflection-type photoelectricity formula sensor 5 runs into this hand, clothes and reflects., a catoptrical part received light if inciding light-receiving device 5b, then reflection-type photoelectricity formula sensor 5 output detecting signals.Control unit is according to detection signal guide sound tone generating device, and the passenger's report in car impels the broadcast announcement of attention.Thus, thus hand, clothes are involved in a danger of camera bellows portion 4 can prevent trouble before it happens and guarantee safety.
Figure 10 representes the 8th embodiment.In this embodiment, reflection-type photoelectricity formula sensor 5 is arranged on the bottom of door gear 2.The door gear 2 of this embodiment is two fan door single openeds, possesses a pair of door- plate 2a, 2b with multistage speed formula structure.Reflection-type photoelectricity formula sensor 5 be configured in respectively door- plate 2a, 2b the below with door- plate 2a, 2b adjoining position.
These reflection-type photoelectricity formula sensors 5 have irradiator 5a and light-receiving device 5b respectively.The surface irradiation sensor light beam of the low speed door-plate 2a of the irradiator 5a of a reflection-type photoelectricity formula sensor 5 oral pillar 3a that comes in and goes out near.The surface irradiation sensor light beam of the high speed door-plate 2b of the irradiator 5a of another reflection-type photoelectricity formula sensor 5 door shield side end of low speed door-plate 2a near.
Therefore; In car; Under near near the standee's oral pillar 3a that comes in and goes out or the door shield side end of low speed door-plate 2a hand, clothes and situation that door- plate 2a, 2b contact, the sensor light beam that shines from the irradiator 5a of each reflection-type photoelectricity formula sensor 5 runs into obstacle such as this hand, clothes and reflects., a catoptrical part received light if inciding cooresponding light-receiving device 5b, then reflection-type photoelectricity formula sensor 5 output detecting signals.Control unit is according to detection signal guide sound tone generating device, and the passenger's report in car impels the broadcast announcement of attention.Thus, hand, the indrawn danger of clothes can prevent trouble before it happens and guarantee safety.
Passenger's hand, clothes institute position contacting are normally leaned on the scope of downside than the centre of door-plate 2a, 2b.Under the situation of this embodiment, reflection-type photoelectricity formula sensor 5 be arranged on door gear 2 the below with door- plate 2a, 2b adjoining position.That is, reflection-type photoelectricity formula sensor 5 is near the position of being detected obstacle by the sensor light beam.
As stated, the effective irradiation distance from the sensor light beam of reflection-type photoelectricity formula sensor 5 outgoing changes according to ambient temperature.If the irradiation distance of sensor light beam is short, even then according to ambient temperature and effective irradiation distance of sensor light beam changes, the variable quantity under this situation is also less.Therefore, the detection performance that is used for detecting obstacle almost there is not influence.That is, under the situation of this embodiment, reflection-type photoelectricity formula sensor 5 not need to output adjust or to light-receiving device 5b towards adjust, with corresponding adjustment operation in season of Xia Hedong.That is, the accuracy of detection of reflection-type photoelectricity formula sensor 5 is annual stable, so elevator can suitably detect obstacle and realize safety.
Figure 11 representes the 9th embodiment.In this embodiment, door gear 2 is double-open types, and a pair of door- plate 2a, 2b move along approaching each other direction or the direction of leaving each other.Reflection-type photoelectricity formula sensor 5 is arranged on below door gear 2 and each door- plate 2a, 2b adjoining position.
These reflection-type photoelectricity formula sensors 5 have irradiator 5a and light-receiving device 5b respectively.The surface irradiation sensor light beam of the door-plate 2a of the irradiator 5a of a reflection-type photoelectricity formula sensor 5 a discrepancy oral pillar 3a near.The surface irradiation sensor light beam of the door-plate 2b of the irradiator 5a of another reflection-type photoelectricity formula sensor 5 another comes in and goes out oral pillar 3b near.
Therefore, in car, the standee is positioned under the situation that makes hand, clothes and door- plate 2a, 2b position contacting near come in and go out oral pillar 3a, 3b, and the sensor light beam that shines from each irradiator 5a runs into hand, clothes and reflects.A catoptrical part incides each light-receiving device 5b and is received light.Reflection-type photoelectricity formula sensor 5 is exported detecting signal corresponding to receiving reflected light.Control unit impels the broadcast announcement of attention according to detection signal guide sound tone generating device to the report of the passenger in the car.Thus, hand, the indrawn danger of clothes can prevent trouble before it happens and guarantee the safety of elevator.
Under the situation of this embodiment, passenger's hand, clothes and door- plate 2a, 2b position contacting are also usually in the scope of leaning on downside than the centre of door-plate 2a, 2b.Owing to reflection-type photoelectricity formula sensor 5 is provided with door- plate 2a, 2b adjacency below door gear 2, therefore near the position of detecting obstacle by the sensor light beam.Even according to ambient temperature and the effective irradiation distance of sensor light beam changes, its variable quantity is also less.That is it is influenced hardly, to be used for detecting the detection performance of obstacle.Therefore, in this embodiment, reflection-type photoelectricity formula sensor 5 not need to output adjust or to light-receiving device 5b towards adjust, by the adjustment carried out the season in summer and winter operation.The accuracy of detection of this reflection-type photoelectricity formula sensor is annual stable, suitably detects obstacle.Therefore, elevator can be realized safety.
Yet; Under the situation of configuration reflection-type photoelectricity formula sensor 5 below door-plate 2a, the 2b; The face of the outgoing sensor light beam of the irradiator 5a of this reflection-type photoelectricity formula sensor 5, the plane of incidence of light-receiving device 5b expose the floor of car, thereby shadow surface, sensitive surface pollute easily.
Therefore, under the situation of the tenth embodiment shown in Figure 12,, possesses for example brush 15 as swabber in the bottom of door-plate 2a, 2b.Brush 15 and door- plate 2a, 2b carry out on-off action correspondingly with the light beam exit facet of the irradiator 5a of reflection-type photoelectricity formula sensor 5 and the beam incident surface moving contact of light-receiving device 5b.Brush 15 remains clean conditions whenever the dirt that door-plate moves with regard to making the exit facet and the plane of incidence comes off.
In addition, above several embodiments is to point out as an example, and is not intended to limit scope of invention.New embodiment of the present invention can be implemented with other various forms, in the scope that does not break away from inventive concept, can carry out all omissions, replacement and change.Its embodiment and distortion thereof are included in invention scope and the purport, and are included in the invention that the scope of claim puts down in writing and in the scope that is equal to.
Claims (12)
1. elevator is characterized in that possessing:
Door gear has and the gangway osed top of car is being closed the door position and be incorporated in the door-plate that moves between the opening position in the door camera bellows portion of side of above-mentioned gangway; And
Reflection-type photoelectricity formula sensor is positioned at above-mentioned door-plate under the situation of the position of closing the door, near the surface of the above-mentioned door-plate in the above-mentioned car the post of above-mentioned gangway, the sensor light beam of using from adjoining position irradiation detection of obstacles.
2. elevator as claimed in claim 1 is characterized in that,
The sensor light beam is through the discrepancy oral pillar of the sidepiece of above-mentioned gangway and the gap between the above-mentioned door-plate, and is illuminated from above-mentioned camera bellows portion one side.
3. elevator as claimed in claim 1 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor is provided with a plurality of.
4. elevator as claimed in claim 3 is characterized in that,
The part of the range of exposures of the sensor light beam of a plurality of above-mentioned reflection-type photoelectricity formula sensor outgoing is surperficial overlapped above-mentioned door-plate.
5. elevator as claimed in claim 2 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor from above-mentioned discrepancy oral pillar upwards state camera bellows portion one side away from and dispose.
6. elevator as claimed in claim 1 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor possesses the concavees lens of light diffusion usefulness in the outgoing portion of the sensor light beam.
7. elevator as claimed in claim 1 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor is located at the inside of above-mentioned discrepancy oral pillar, shines the sensor light beam from the opening that is formed at this discrepancy oral pillar through the gap between above-mentioned discrepancy oral pillar and the above-mentioned door-plate.
8. elevator as claimed in claim 1 is characterized in that,
Above-mentioned door gear has multistage speed formula structure, and this multistage speed formula structure is included in the high speed door-plate that above-mentioned close the door the low speed door-plate that moves with low speed between position and the above-mentioned opening position and at high speed move,
Above-mentioned reflection-type photoelectricity formula sensor; Be positioned under the situation of the position of closing the door at above-mentioned each door-plate; Through the gap between above-mentioned low speed door-plate and the above-mentioned high speed door-plate; Near the surface of the above-mentioned high speed door-plate in the above-mentioned car the door shield side end of above-mentioned slow door plate is from above-mentioned low speed door-plate side irradiation the sensor light beam.
9. elevator as claimed in claim 8 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor is located at the inside of the door shield side end of above-mentioned low speed door-plate, from being formed on the opening irradiation the sensor light beam of above-mentioned door shield side end.
10. elevator as claimed in claim 1 is characterized in that,
Above-mentioned door gear has multistage speed formula structure, and this multistage speed formula structure is included in the high speed door-plate that above-mentioned close the door the low speed door-plate that moves with low speed between position and the above-mentioned opening position and at high speed move,
Above-mentioned reflection-type photoelectricity formula sensor comprises:
The first reflection-type photoelectricity formula sensor; Be located at the inside of above-mentioned discrepancy oral pillar; Through the gap between above-mentioned discrepancy oral pillar and the above-mentioned low speed door-plate, the sensor light beam that near the surface irradiation detection of obstacles of the above-mentioned low speed door-plate in the above-mentioned car the post of above-mentioned gangway is used, and
The second reflection-type photoelectricity formula sensor; Be located at the inside of the door shield side end of above-mentioned low-tach door-plate; Through the gap between above-mentioned low speed door-plate and the above-mentioned high speed door-plate, the sensor light beam that near the surface irradiation detection of obstacles of the above-mentioned high speed door-plate in the above-mentioned car the door shield side end of above-mentioned slow door plate is used.
11. elevator as claimed in claim 1 is characterized in that,
Above-mentioned door gear is the door gear with double-open type of a plurality of door-plates, and these a plurality of door-plates move in position and being incorporated between the opening position in the door camera bellows portion of both sides, above-mentioned gangway that car gangway osed top is closed the door each other round about,
Above-mentioned reflection-type photoelectricity formula sensor; Be positioned at above-mentioned door-plate under the situation of the position of closing the door; The discrepancy oral pillar of the both sides through above-mentioned gangway and the gap between each the above-mentioned door-plate; Near the surface of the above-mentioned door-plate in the above-mentioned car each above-mentioned discrepancy oral pillar, the sensor light beam of using from both sides' above-mentioned door camera bellows portion irradiation detection of obstacles respectively.
12. elevator as claimed in claim 1 is characterized in that,
Above-mentioned reflection-type photoelectricity formula sensor is configured in the below of above-mentioned door-plate; Be positioned at above-mentioned door-plate under the situation of the position of closing the door; Near the surface of the above-mentioned door-plate in the above-mentioned car the post of above-mentioned gangway, the sensor light beam of using from the below irradiation detection of obstacles of above-mentioned door-plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP052741/2011 | 2011-03-10 | ||
| JP2011052741A JP2012188216A (en) | 2011-03-10 | 2011-03-10 | Doorway safety device of elevator car |
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| Publication Number | Publication Date |
|---|---|
| CN102674123A true CN102674123A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100087487A Pending CN102674123A (en) | 2011-03-10 | 2012-01-12 | Elevator with safety device at doorway of cabinet |
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| Country | Link |
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| JP (1) | JP2012188216A (en) |
| CN (1) | CN102674123A (en) |
Cited By (4)
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| CN106470932A (en) * | 2014-07-04 | 2017-03-01 | 三菱电机株式会社 | Control device for elevator door |
| CN107265231A (en) * | 2016-04-06 | 2017-10-20 | 奥的斯电梯公司 | Protection device for speed sensitive device |
| CN109312952A (en) * | 2016-06-21 | 2019-02-05 | 三菱电机株式会社 | Open-close lid detection device |
| US11148908B2 (en) | 2018-10-25 | 2021-10-19 | Otis Elevator Company | Elevator door with sensor for determining whether to reopen door |
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| JP2015048245A (en) * | 2013-09-04 | 2015-03-16 | 東芝エレベータ株式会社 | Attention attracting device for elevator |
| KR101771711B1 (en) | 2017-05-19 | 2017-08-25 | 주식회사 유탑엔지니어링건축사사무소 | Fire-fighting building unattended lifesaving device |
| KR101771710B1 (en) | 2017-05-19 | 2017-08-25 | 주식회사 유탑엔지니어링건축사사무소 | Fire-fighting building unattended lifesaving device |
| KR101771712B1 (en) | 2017-05-19 | 2017-08-25 | 주식회사 유탑엔지니어링건축사사무소 | Fire-fighting building unattended lifesaving device |
| JP7125677B2 (en) * | 2020-12-15 | 2022-08-25 | フジテック株式会社 | Anti-drop structure for car door |
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| CN109312952B (en) * | 2016-06-21 | 2021-05-07 | 三菱电机株式会社 | Open-close cover detection device |
| US11148908B2 (en) | 2018-10-25 | 2021-10-19 | Otis Elevator Company | Elevator door with sensor for determining whether to reopen door |
| US11685635B2 (en) | 2018-10-25 | 2023-06-27 | Otis Elevator Company | Elevator door with sensor for determining whether to reopen door |
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| Publication number | Publication date |
|---|---|
| JP2012188216A (en) | 2012-10-04 |
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Application publication date: 20120919 |