CN204508529U - A kind of elevator anti-pinch device - Google Patents
A kind of elevator anti-pinch device Download PDFInfo
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- CN204508529U CN204508529U CN201520128437.3U CN201520128437U CN204508529U CN 204508529 U CN204508529 U CN 204508529U CN 201520128437 U CN201520128437 U CN 201520128437U CN 204508529 U CN204508529 U CN 204508529U
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- elevator
- layer door
- portal
- grating
- fixed block
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Abstract
The utility model patent discloses a kind of elevator anti-pinch device, comprises elevator cab, elevator portal and the layer door with the corresponding setting of described elevator portal; The top of described elevator cab is provided with the sensor for detecting region between described elevator portal; Described layer door is provided with grating; Also comprise a limit switch, described limit switch comprises the limiting stopper be arranged on described elevator portal and the fixed block be arranged on described layer door, described limiting stopper is responded to described fixed block and is connected, when described elevator portal is closed, described limiting stopper is responded to described fixed block and is coordinated, described layer door is driven closedown, and while the movement of described layer door, described grating is stopped by obstacle, and described layer door phase down described elevator portal are opened.The utility model, by arranging grating and sensor expansion investigative range, avoids encumbrance by anti-pinch, and simultaneously by arranging limit switch, improve the safety that elevator uses further, and this structure is not only simple, productive costs is low.
Description
Technical field
The utility model relates to elevator technology field, espespecially a kind of for preventing the elevator anti-pinch device crushed.
Background technology
At present, the modal mode of elevator door protection device adopts the mode of echelette to protect, particularly at the parallel installation in the both sides of elevator portal a pair grating, one of them grating sends infrared ray, another grating carrys out receiving infrared-ray, and be arranged on power pack and the professional flexible cable four major part composition on elevator bridge top, and then have 32 (16) infrared transmitting tubes sending ultrared side, under the control of MCU (micro-control unit), transmitting and receiving pipe is opened according to this, continuous scanning elevator cage door region from top to bottom, form an intensive infrared ray protection light curtain.When wherein any Ray Of Light is stopped, control system exports enabling signal immediately, elevator cage door and phase down unlatching of reversing, until passenger or obstacle leave warning region after elevator door can normally close, thus reach safety guard-safeguard object.Elevator can be avoided like this to press from both sides the generation of people's accident.
Although in time not having passenger or obstacle gear between two blocks of gratings, infrared ray can not be blocked, and infrared ray can be received smoothly, and such elevator door can normally be closed; If instead when not receiving echelette, elevator door is opened.But elevator folder people be often in last 15 ~ 20cm stroke, and at this moment most infrared ray light has been all collimated light.When passenger or obstacle quickly through time, grating be induction less than, the phenomenon that elevator door clamps people or thing will be there is this time, damage is caused to passenger.
Therefore, the deficiency that the applicant exists according to existing elevator, endeavouring to develop better, that structure is simple, the cheap elevator anti-pinch device of a kind of anti-pinch effect is the problem that those skilled in the art expect to solve.
Utility model content
The purpose of this utility model is to provide a kind of elevator anti-pinch device, detection is realized from 15 ~ 20cm place of elevator portal at passenger or obstacle, and the switch of elevator portal can be controlled in time, realize the function of detection and control in one apparatus, can effectively prevent elevator portal when closing, passenger in stroke or obstacle are clamped, avoids unnecessary injury occurs.
The technical scheme that the utility model provides is as follows:
A kind of elevator anti-pinch device, comprises elevator cab, elevator portal and the layer door with the corresponding setting of described elevator portal;
The top of described elevator cab is provided with the sensor for detecting region between described elevator portal;
Described layer door is provided with grating, and described grating is arranged on the side away from described elevator cab;
Also comprise a limit switch, described limit switch comprises the fixed block being arranged on limiting stopper on described elevator portal and being arranged on described layer door, and described limiting stopper is responded to described fixed block and is connected, for limiting described layer door shift position;
When described elevator portal is closed, described limiting stopper is responded to described fixed block and is coordinated, and described layer door is driven closedown, and while the movement of described layer door, described grating is stopped by obstacle, and described layer door phase down described elevator portal are opened.
The technical program, by arranging grating on layer door, being detected by the region of grating pair apart from layer door 15 ~ 20cm, stopping, the closedown of stop-layer door at once once detect obstacle.And then coordinating again by the limiting stopper that elevator portal is arranged and the fixed block that layer door is arranged, elevator portal and layer door is made to realize closing and opening, after can effectively preventing elevator portal from closing like this, and then have encumbrance to block in the process of layer door closedown, or continue when closely there is encumbrance at place to implement to close, avoid encumbrance being crushed or pressing from both sides damage.
Further preferably, the height of described grating is greater than 180cm, and by lower from be arranged on described layer door.
This technological selection scheme, grating on layer door by lower from lay, and arrange height be greater than 180cm.So mainly in order to avoid the person of bowing fails to enter in elevator cab in time at body part, and elevator portal and layer door continue to close, and prevent entering elevator cab portion and are jammed.
Further preferably, described sensor is 3D sensor.
This technological selection scheme, 3D sensor is sensed as by what be arranged on that elevator cab top is used for region between detecting elevator portal, geometry 3D imaging is carried out to the distant object exceeding receiving system physical pore size diffraction limit, improve detection accuracy, prevent elevator portal from the passenger do not entered completely in cage being crushed.
Further preferably, described limit switch is photoinduction switch or magnetic induction switch.
This technological selection scheme, the limiting stopper be arranged on elevator portal coordinates composition limit switch with the fixed block be arranged on layer door, and limit switch can be photoinduction switch or magnetic induction switch, improve limit switch control accuracy, realize the restriction of the shift position to layer door.
Further preferably, described photoinduction switch is by the infrared transmitting device be arranged on described limiting stopper, and the adoptor be arranged on described fixed block is formed.
By detecting the distance between infrared transmitting device and adoptor in this technological selection scheme, and then driving when elevator portal is closed layer door to move to realize closing, realizing elevator portal and layer door is closed simultaneously and open.
Further preferably, described magnetic induction switch comprises Magnetic Sensor and magnet.
Be connected by the magnetic induction between Magnetic Sensor with magnet in this technological selection scheme, and then realize elevator portal and layer door opens and closes simultaneously.
This patent creatively breaches original technology, the basis keeping original technological merit arranges grating further on layer door, thus expand the detection of layer door immediate area scope of adjusting the distance, layer door phase down is made when grating is obstructed when thing stops, limiting stopper simultaneously by elevator portal is arranged is connected with the induction between the fixed block that layer door is arranged, realize closedown and the unlatching of elevator portal and layer door, avoid the accident that crushes to occur.And then sensor for detecting region between described elevator portal can be provided with by the top of elevator cab again, improve investigative range, thus realize improving the safety performance in elevator use procedure, not only anti-pinch effect is better, structure simple, and productive costs is lower.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is an example structure schematic diagram of the utility model elevator anti-pinch device;
Fig. 2 is an embodiment right elevation of the utility model elevator anti-pinch device;
Drawing reference numeral illustrates:
Elevator cab 100; Sensor 101;
Elevator portal 110;
Layer door 200; Grating 201;
Limit switch 300; Fixed block 302; Limiting stopper 301.
Detailed description of the invention
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
As a specific embodiment, referring to Fig. 1, a kind of elevator anti-pinch device, comprises the layer door 200 of elevator cab 100, elevator portal 110 and setting corresponding with elevator portal 110; Wherein, the top of elevator cab 100 is provided with the sensor 101 for region between detecting elevator portal 110; And on layer door 200, being provided with grating 201, grating 201 is arranged on the side away from elevator cab 100, thus realize realizing detection to passenger or obstacle from 15 ~ 20cm place of elevator portal 110, and then expansion search coverage scope; And then also comprising a limit switch 300, limit switch 300 comprises the limiting stopper 301 be arranged on elevator portal 110 and the fixed block 302 be arranged on layer door 200 particularly, and is connected for responding between limiting stopper 301 with fixed block 302.Like this when elevator portal 110 is closed, limiting stopper 301 is responded to fixed block 302 and is coordinated, and layer door 200 is driven and realizes closing.But when having encumbrance between elevator portal 110, for while layer door 200 movement as grating 201 is stopped by obstacle, it sends signal to microprocessor, microprocessor is connected with the control unit of the opening and closing of layer door 200 with control elevator portal 110, send signal by control unit, elevator cage door 100 and layer door 200 all stop continuing to close, and thus would not crush accident, effectively avoid encumbrance being crushed or pressing from both sides damage, improve the safety that elevator uses.
In an enforcement in this patent, referring to Fig. 1, Fig. 2, the grating 201 that the sensor 101 and layer door 200 of the setting of the top of elevator cab 100 are arranged, not only avoid the blind area that grating 201 resolution is brought, simultaneously by grating 201 on layer door 200 by lower from lay, the grating 201 laid highly is greater than 180cm, and grating 201 all can be arranged on the both sides of layer door 200, the area division that further expansion grating 201 detects, and then it should be noted that, the height of grating 201 is become to be greater than 180cm, mainly in order to prevent the person of bowing from failing to enter in time in elevator cab 100 at body part, and now just in time elevator portal 110 and layer door 200 are in the process of closedown, and then by expanding the region that grating 201 detects, control elevator portal 110 and layer door 200 are closed, prevent from entering elevator cab 100 to be jammed.
It should be noted that, sensor 101 in this patent is 3D sensor, because 3D sensor carries out geometry 3D imaging to the distant object exceeding receiving system physical pore size diffraction limit, improve detection accuracy, prevent elevator portal 110 from the encumbrance do not entered completely in elevator cab 100 being crushed or pressing from both sides damage, avoid unnecessary injury to occur.
In an enforcement in this patent, again referring to Fig. 1, Fig. 2, be arranged on the limit switch 300 that on elevator portal 110, described limiting stopper 301 is formed with the fixed block 302 be arranged on layer door 200, the restriction to layer door 200 shift position can not only be realized, improve control accuracy simultaneously, make elevator portal 110 and layer door 200 close synchronous when switch, prevent from further crushing, improve safety.Thus it should be noted that, limit switch 300 in this patent adopts photoinduction switch or magnetic induction switch, photoinduction switch is not by the infrared transmitting device be arranged on limiting stopper 301 (indicating in figure) particularly, and the adoptor (not indicating in figure) be arranged on fixed block 302 is formed.Mainly in advance detecting distance is between the two set a fixed value, and detecting distance refers to that detection bodies moves by certain way, the reference position (sensitive surface of photoelectric switch) recorded when switch motion is to the space length of detection faces.The nominal value of the nearly switch motion distance of specified operating distance finger.The while of can realizing when elevator portal 110 is closed by fixing detecting distance value like this, layer door 200 is driven and moves to closedown, otherwise opens, and then avoids, in the moment of closedown, being crushed in last 15 ~ 20cm stroke.
And magnetic induction switch it comprise Magnetic Sensor and magnet, the limiting stopper 301 in the limit switch 300 in this patent can be Magnetic Sensor, and fixed block 302 can be magnet.So all by anchor fitting, Magnetic Sensor and magnet are installed on elevator portal 110 and layer door 200.Wherein, only need end instr magnetic property be caused to change the external factors such as magnetic field, electric current, ess-strain, temperature, light and convert electric signal to; detect the device of respective physical amount by this way, realize that opening and closing is controlled to elevator portal 110 and layer door 200 simultaneously and all can belong within the scope of this patent protection.
It should be noted that, the setting of the limit switch 300 in this patent is closed mainly for avoiding opening by mistake, when elevator cage door 110 is closed time, first send signal by limit switch 300, the signal that sensor 101 is sent is left in the basket, and elevator cage door 110 is closed, when elevator cage door 110 is opened time, limit switch 300 sends signal again, and the signal that sensor 101 is sent is taked, and then avoids elevator portal 110 and layer door 200 to open by mistake closing.
Need illustrate further, the technology of this patent, all on the basis keeping prior art advantage, does the improvement of structure; not only structure is simple; and productive costs is told somebody what one's real intentions are, simultaneously this device also can be used on the gate of office space and other occasions, within the scope all belonging to this patent protection.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an elevator anti-pinch device, comprising:
Elevator cab, elevator portal and the layer door with the corresponding setting of described elevator portal;
It is characterized in that:
The top of described elevator cab is provided with the sensor for detecting region between described elevator portal;
Described layer door is provided with grating, and described grating is arranged on the side away from described elevator cab;
Also comprise a limit switch, described limit switch comprises the fixed block being arranged on limiting stopper on described elevator portal and being arranged on described layer door, and described limiting stopper is responded to described fixed block and is connected, for limiting described layer door shift position;
When described elevator portal is closed, described limiting stopper is responded to described fixed block and is coordinated, and described layer door is driven closedown, and while the movement of described layer door, described grating is stopped by obstacle, and described layer door phase down described elevator portal are opened.
2. elevator anti-pinch device according to claim 1, is characterized in that:
The height of described grating is greater than 180cm, and by lower from be arranged on described layer door.
3. elevator anti-pinch device according to claim 1, is characterized in that:
Described sensor is 3D sensor.
4. elevator anti-pinch device according to claim 1, is characterized in that:
Described limit switch is photoinduction switch or magnetic induction switch.
5. elevator anti-pinch device according to claim 4, is characterized in that:
Described photoinduction switch is by the infrared transmitting device be arranged on described limiting stopper, and the adoptor be arranged on described fixed block is formed.
6. elevator anti-pinch device according to claim 4, is characterized in that:
Described magnetic induction switch comprises Magnetic Sensor and magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128437.3U CN204508529U (en) | 2015-03-05 | 2015-03-05 | A kind of elevator anti-pinch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128437.3U CN204508529U (en) | 2015-03-05 | 2015-03-05 | A kind of elevator anti-pinch device |
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| Publication Number | Publication Date |
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| CN204508529U true CN204508529U (en) | 2015-07-29 |
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| CN201520128437.3U Active CN204508529U (en) | 2015-03-05 | 2015-03-05 | A kind of elevator anti-pinch device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551140A (en) * | 2015-12-04 | 2016-05-04 | 钟高锋 | Operation and safe control method for automatic door of self-service intelligent access device |
| CN106185573A (en) * | 2016-08-31 | 2016-12-07 | 江苏创力电梯部件有限公司 | A kind of anti-pinch elevator for people door |
| CN106494977A (en) * | 2016-12-08 | 2017-03-15 | 宁波永良电梯技术发展有限公司 | Thermoinduction elevator door |
| CN107352371A (en) * | 2017-08-29 | 2017-11-17 | 湖州力奥电梯配件有限公司 | A kind of anti-pinch emergency staircase |
| CN110482386A (en) * | 2018-05-14 | 2019-11-22 | 奥的斯电梯公司 | Elevator door safety control |
| CN110510487A (en) * | 2018-05-21 | 2019-11-29 | 奥的斯电梯公司 | Section object detection system for elevator device |
-
2015
- 2015-03-05 CN CN201520128437.3U patent/CN204508529U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551140A (en) * | 2015-12-04 | 2016-05-04 | 钟高锋 | Operation and safe control method for automatic door of self-service intelligent access device |
| CN106185573A (en) * | 2016-08-31 | 2016-12-07 | 江苏创力电梯部件有限公司 | A kind of anti-pinch elevator for people door |
| CN106185573B (en) * | 2016-08-31 | 2018-09-18 | 江苏创力电梯部件有限公司 | A kind of anti-pinch elevator for people door |
| CN106494977A (en) * | 2016-12-08 | 2017-03-15 | 宁波永良电梯技术发展有限公司 | Thermoinduction elevator door |
| CN107352371A (en) * | 2017-08-29 | 2017-11-17 | 湖州力奥电梯配件有限公司 | A kind of anti-pinch emergency staircase |
| CN110482386A (en) * | 2018-05-14 | 2019-11-22 | 奥的斯电梯公司 | Elevator door safety control |
| US11242226B2 (en) | 2018-05-14 | 2022-02-08 | Otis Elevator Company | Elevator door safety control |
| CN110510487A (en) * | 2018-05-21 | 2019-11-29 | 奥的斯电梯公司 | Section object detection system for elevator device |
| CN110510487B (en) * | 2018-05-21 | 2022-08-19 | 奥的斯电梯公司 | Zone object detection system for elevator system |
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