CN101875456A - Pedal type elevator calling system - Google Patents
Pedal type elevator calling system Download PDFInfo
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- CN101875456A CN101875456A CN2010103013819A CN201010301381A CN101875456A CN 101875456 A CN101875456 A CN 101875456A CN 2010103013819 A CN2010103013819 A CN 2010103013819A CN 201010301381 A CN201010301381 A CN 201010301381A CN 101875456 A CN101875456 A CN 101875456A
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Abstract
The invention relates to a pedal type elevator calling system. The system comprises an upgoing calling button and a downgoing calling button, wherein the upgoing and downgoing calling buttons are pedal type buttons and are respectively installed on the ground on the two sides of an elevator door; the upgoing and downgoing calling buttons are connected with an elevator master control board through a signal separation module; the master control board is connected with a mechanical device which drives the elevator to run; a shaft way electronic device, which feeds the motion state information of the elevator back to the master control board, is connected between the master control board and the mechanical device; an upgoing indicator lamp and a downgoing indicator lamp which are corresponding to the upgoing and downgoing calling buttons are respectively arranged on the two sides of the elevator door; and the upgoing and downgoing indicator lamps are connected with the signal separation module. The invention improves the elevator taking environment, realizes ordered transfer and civilized elevator taking, enhances the elevator transfer efficiency, reduces the congestions, saves the transfer time, increases the utilization ratio of the elevator, avoids wasting time, and blocks up the transmission routes of communicable diseases by using the pedal type calling mode.
Description
Technical field
The present invention relates to a kind of elevator calling system, especially relate to a kind of by foot-operated form calling, changed people the using escalator custom, improve the using escalator environment, improve the pedal type elevator calling system of transfer efficient.
Background technology
Elevator has become the indispensable necessity of the modern life as a kind of transport facility.Whole elevator device mainly comprises machinery and control two large divisions, control part mainly comprises passenger's calling device, panel block, registration device, control housing etc., the user was by using calling device calling elevator when system moved, calling device comprises the uplink and downlink call button, general elevator calling button all is that hand push type is arranged on the wall of hoistway door next door, and the uplink and downlink call button is installed on the same hall buttons, at the other arm for direction indicator that also is equipped with of uplink and downlink call button.But also there are some defectives in this design, such as returning from supermarket shopping as people of passenger, two hands are being carried during big and small packaging bag goes back home, or when carrying heavier furniture appliance, suffer from and have no idea to lift hand and go, and the article in the handle of having to are placed on earlier on the ground by the elevator button on the wall, vacate a hand and call elevator, pressed behind the button side bumper hurriedly and live the door of elevator, article are on the ground picked up on the limit, and such scene is not only awkward but also very dangerous.Secondly, elevator is as a kind of public conveyance and transportation instrument, everybody perhaps can become one of approach of communicate illness by the common button that uses, later-model infection of a period of time frequently occurs especially recently, from the SARS to the bird flu,, perhaps can reduce once infected chance by a button less till now just at the H1N1 of large-scale outbreak.In addition, when being in the peak state at elevator, the elevator hall has packed the people in the doorway, though should follow the order that gets on, get off when taking elevator, but when the passenger that wait elevator more for a long time, everybody blocks up on the elevator doorway, crowd's weave in of discrepancy elevator causes confusion when elevator arrives at a station after, the speed of turnover elevator is obviously slowed down, and transfer efficient is lower.The passenger who is about to enter elevator in addition must do a judgement to the elevator service direction, and this judgement can or be withdrawed from cab and observe elevator position and service direction indicating device once in a while by the passenger in the inquiry elevator.Even try to go south by driving the chariot north, have to retrace one's steps.So just reduced the degree of utilization of elevator more.The original intention that elevator is designed is as helping people to realize the quick comfortable perpendicular movement vehicle.And these unnecessary time wastes take care of the pence so can not look down upon, and do not conform to really with present allegro life style.Chinese invention patent 200610132491.0 discloses a kind of elevator outer-office calling control method of login automatically, camera, infrared inductor, ultrasonic sensing device or human body heat energy inductor are installed outside the elevator hall in this patent of invention to be added up Room patronage outdoors, detected that the resident or quantity of passenger equals and when surpassing default value, then this floor is carried out outer-office calling and login automatically.This device does not spend by call button the passenger will call elevator automatically, has made things convenient for those to rise the passenger who does not sell by call button, has also reduced the infection of germ simultaneously.But it can't solve the passenger and enter the crowded problem of elevator, when the passenger who waits elevator more for a long time, everybody blocks up on the elevator doorway, elevator the come in and go out crowd's weave in of elevator of back that arrives at a station causes confusion, make the speed of turnover elevator obviously slow down, transfer efficient is lower.
Summary of the invention
Passenger's weave in that the present invention has mainly solved the elevator of coming in and going out causes confusion, make the speed of turnover elevator obviously slow down, the lower problem of transfer efficient, and the passenger is inconvenient to judge the elevator service direction, enter the problem of the elevator of the opposite way round easily, provide a kind of and passed in and out elevator, effectively improved the using escalator environment, improve the pedal type elevator calling system of changing to efficient by indicator lamp commander passenger.
Second goal of the invention of the present invention is to have solved when passenger's both hands are being carried packaging bag or carried article, and rising does not sell goes problem by call button, provide a kind of without hand by, reasonable in design, pedal type elevator calling system easy to use.
Another goal of the invention of the present invention is to have solved the passenger with the problem of hand by the easy bacteria infection of call button, provides a kind of usefulness to ride call button, the pedal type elevator calling system of the germ of avoiding infection.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of pedal type elevator calling system, comprise, descending call button, on described, descending call button is foot-operated button, be installed in the ground of hoistway door both sides respectively, on being somebody's turn to do, descending button is connected with elevator master making sheet by signal separation module, master control board links to each other with the mechanical device that drives the elevator operation, between master control board and mechanical device, be connected with the hoistway electronic machine that the elevator motion status information is fed back to master control board, the hoistway door both sides also be respectively arranged with on, on descending call button is corresponding, descending indicator lamp, described on, descending indicator lamp links to each other with signal separation module.Adopt foot-operated calling elevator form to replace the trapezoidal gesture of exhaling of calling elevator with finger among the present invention, hand does not spend contact button, avoided the cross-infection of bacterium, reduced the transmission chance, and when passenger-in-elevator's both hands are occupied, also can finish the terraced demand of exhaling naturally easily.Adopt foot-operated calling situation in addition, its most important meaning be thoroughly to have changed people the using escalator custom, improve the using escalator environment, improve transfer efficient.Door both sides, the Room among the present invention are placed in uplink and downlink call button and uplink and downlink indicator lamp, with this in the middle of the door of the Room unordered crowd's nature of originally blocking up is separated to door both sides, the Room by the purpose direction, promptly to people up stand in up call button on one side, to people down stand in descending call button on one side, so just leave one of the crowd passage smoothly that is about to walk out elevator for, improved the efficient that ladder.This uplink and downlink indicator lamp adopts the traffic lights form, can show red and green two kinds of colors, press call button after, if elevator is positioned at and exhales terraced people place layer, and it is will service direction corresponding with descending call button, when elevator when exhaling terraced people place floor, descending indicator lamp shows green, the up indicator lamp of offside is shown in red, if elevator is positioned at lower floor, and will service direction corresponding with up call button, up indicator lamp shows green, and the descending indicator lamp of offside is shown in red.By the indication of indicator lamp, the crowds that two examples are waited in the ladders that inform of easy harmony continue to wait or enter elevator, have effectively prevented blocking up and save the waste motion of judging the elevator service direction after opening the door again before elevator door.Improved the transfer efficient of elevator to greatest extent by above some design, created a cleaning, civilization, elevator environment for use efficiently to people.
A kind of preferred version as such scheme, described uplink and downlink call button is made of frame, base plate and panel three parts, bottom at frame is provided with recessed along one along inward flange, described base plate is embedded in recessed along closely cooperating along the edge in one and with recessed, on the frame upper inner edge, be provided with a circle flange, be provided with recessed along two that a circle matches with flange on described panel top along outward flange, this panel holding is between flange and base plate.This frame, base plate and panel can all be square or circular, it also can be the square framework of band circular hole in the middle of frame is, base plate and panel are circular, the arcwall face that outwards reduces gradually in serving as reasons in the surface of this frame, form streamline contour with ground, more attractive in appearancely prevent to knock the user simultaneously, the thickness of panel is less than the height between flange and the base plate, and this makes that panel can lifting or decline between flange and base plate.
A kind of preferred version as such scheme, on frame, evenly be provided with four mounting planes, mounting plane is provided with tapped mounting hole one, the relevant position is provided with and mounting hole one corresponding mounting hole two on base plate, it is recessed along three to be provided with a circle at the lower end edge opening of mounting hole two, one through hole bolt, edge, its rear end is provided with the convex edge of turning up, this through hole bolt penetrates in mounting hole two and the mounting hole one, the front end of through hole bolt links to each other with mounting hole one screw thread, the convex edge overhead of rear end recessed along three on, in the through hole bolt, be provided with screw frame fixed on the ground.The through hole bolt is the middle bolt that is provided with through hole, and this through hole bolt is fixed together base plate and frame, and screw fixes frame on the ground more then, and it is more fastening to make that like this base plate is connected with frame, and above-mentioned screw can be swell fixture.
As a kind of preferred version of such scheme, on the mounting plane surface, be provided with a circle seal groove sealing band is installed in seal groove.The sealing bar makes and forms sealing between frame and the base plate, makes that water is difficult for entering in the base plate.
As a kind of preferred version of such scheme, between base plate and panel, be provided with some reseting spring leafs, this reseting spring leaf is installed on the base plate, and its two ends are upturned and withstand on the panel bottom.Reseting spring leaf plays reset response, makes the panel of being stepped on by the user be returned to original position again.
As a kind of preferred version of such scheme, described uplink and downlink indicator lamp is installed on the wall of hoistway door both sides respectively or on the ground, or is installed in respectively on the panel of up call button, descending call button.Upper and lower shape indicator lamp is installed in door both sides, the Room respectively, and indication stands in the passenger of door both sides, the Room respectively, makes the passenger can enter elevator in an orderly manner.
A kind of preferred version as such scheme, upper surface at described base plate is provided with the switching circuit board that separate mutually at the two poles of the earth, the corresponding position is equipped with conductive rubber pad on described panel lower surface, and conductive rubber pad is connected on the two poles of the earth of switching circuit board.The not conducting of being separated by to each other of the two poles of the earth on this switching circuit board, this makes switch circuit disconnect, and when depressing call button, is installed in the conductive rubber of panel lower surface and contacts with the two poles of the earth on the switching circuit board, in switch circuit, form the loop, send calling signal.
As a kind of preferred version of such scheme, on the upper surface of described base plate, also evenly be provided with some banking pins.This banking pin plays the effect of counter plate stroke limit, and when panel moves down into when reaching the banking pin position, limited nail stops its part that continues to sink with on the protection base plate not to be compromised; Simultaneously prevented that also reseting spring leaf from damaging because of stressed excessive generation permanent deformation.
Therefore, advantage of the present invention is:
1. separate the design that cooperates stop-light by up-downgoing, improve the using escalator environment, realize transfer, civilized using escalator in order;
2. improve elevator transfer efficient, reduce and block up, save the transfer time.
3. avoid because of taking advantage of the wrong direction situation of retracing one's steps to take place, energy savings, raising elevator degree of utilization have also been avoided the time waste that therefore causes.
4. adopt the foot-operated terraced mode of exhaling, blocking-up communicable disease route of transmission.
5. adopt and foot-operatedly exhales terraced mode, the both hands of fundamentally liberating the passenger-in-elevator avoid taking place can not exhale because of both hands are occupied the awkward scene of ladder, and the potential safety hazard brought of improper operation.
6. adopt the foot-operated terraced mode of exhaling, can give a close friend's of upper limbs disability personnel interactive interface, also satisfied the user demand that there is the crowd of limb defects in other positions simultaneously.
Description of drawings
Accompanying drawing 1 is a kind of structural frames view of the present invention;
Accompanying drawing 2 is call button a kind of scheme of installations in actual applications among the present invention;
Accompanying drawing 3 is a kind of structural representations of call button among the present invention;
Accompanying drawing 4 is A-A cutaway views of Fig. 3;
Accompanying drawing 5 is a kind of structure enlarged diagrams of Local C among Fig. 4;
Accompanying drawing 6 is a kind of structural representations of base plate among the present invention;
Accompanying drawing 7 is a kind of structural representations of panel among the present invention;
Accompanying drawing 8 is B-B cutaway views among Fig. 7;
Accompanying drawing 9 is a kind of structural representations that install frame and bottom surface among the present invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
A kind of pedal type elevator calling system of present embodiment, this calling system adopts the foot-operated uplink and downlink call button 1 different with calling device in the traditional elevator, and be provided with uplink and downlink indicator lamp 5, this uplink and downlink indicator lamp is with reference to the stop-light mode of operation, it can send red and green two kinds of color lights, pass in and out elevator in an orderly manner in order to commander passenger, red expression stops, green expression can enter, the situation of so just avoiding the passenger when the turnover elevator, to cause confusion, the using escalator environment be can effectively improve, turnover elevator time and transfer efficient improved.As shown in Figure 2, this uplink and downlink call button 1 is installed in respectively on the ground of hoistway door both sides, and uplink and downlink indicator lamp 5 is installed on the uplink and downlink call button 1, certainly this uplink and downlink indicator lamp also can be arranged with uplink and downlink call button branch, can be installed on the hoistway door both walls or the ground.As shown in Figure 1, pedal type elevator calling system also comprises elevator master control board 3, on, descending call button 1 links to each other with master control board 3 by signal separation module 2, the passenger is by the calling signal of call button input, through sending to master control board 3 after the signal separation module 2 judgement upstream or downstream demands, this master control board links to each other with elevator machine device 4, finishing elevator by master control board control elevator machine device rises or descends, between master board 3 and mechanical device 4, be connected with the hoistway electronic machine 6 that the elevator motion status information is fed back to master board, on also connecting on the signal separation module 2, descending indicator lamp 5, the information of being come by hoistway electronic machine feedback is sent to signal separation module 2 by master control board, by signal separation module 2 comprehensive elevator status data and before the passenger press the demand information of call button, then in the control, descending indicator lamp sends corresponding color, and commander passenger passes in and out elevator in order.
As shown in Figure 3 and Figure 4, uplink and downlink call button 1 comprises frame 7, base plate 10 and panel 8 three parts, and the uplink and downlink call button is square in the present embodiment, and frame, bottom and panel all are square.The surface of this frame 7 is an arcwall face, and the frame surface is reduced until intersecting with the frame bottom surface gradually by inward flange to outward flange.As shown in Figure 5, be provided with recessedly along 1 along inward flange in the bottom of frame 7, base plate 10 is embedded into and recessedly closely pastes mutually along an inwall in one and with recessed, and the bottom surface of bottom and frame bottom surface flush.In order to guarantee the leak tightness between base plate and frame, anti-sealing enters on the bottom, along having a circle seal groove 12 on one 11 surfaces sealing band 13 is installed in seal groove at the recessed of frame 7, and the sealing bar tightly is pressed on the base plate 10.Panel 8 is embedded in the middle of the frame, the thickness of this panel is less than the height of frame, be provided with a circle flange 14 on the frame upper inner edge, be provided with recessed along 2 15 that a circle matches with flange 14 on panel 8 tops along outward flange, these panel 8 holdings are between flange 14 and base plate 10.Between base plate 10 and panel 8, reseting spring leaf 20 is installed, this reseting spring leaf by screw retention on base plate, the two ends of reseting spring leaf are upturned, and also overhead is on the bottom surface of panel 8, and reseting spring leaf is in tension always, and panel upper surface is flushed with frame upper surface inboard.In order to prevent that panel from sinking to damageeing the part on the base plate, simultaneously also for preventing that reseting spring leaf from damaging because of stressed excessive generation permanent deformation, also evenly is equipped with banking pin 17 on base plate 10.
As shown in Figure 6, at base plate 10 upper surfaces a switching circuit board 16 is installed, separate mutually at the two poles of the earth on the switching circuit board, circuit is in disconnection, as shown in Figure 8, conductive rubber pad 18 is installed on the lower surface of panel 8, when panel is depressed, conductive rubber pad is pressed on the switching circuit board 16, makes the two poles of the earth of switching circuit board be conducted, thereby makes circuit turn-on.In the present embodiment, uplink and downlink indicator lamp 5 is arranged on the uplink and downlink call button 1, and as shown in Figure 6, this upper and lower shape indicator lamp 5 is installed on the base plate 10, and the corresponding position is provided with indicator lamp window 25 on panel 8.As shown in Figure 2, when the uplink and downlink call button is installed, upper and lower indicator lamp vertical wall can be provided with, make like this to form a passage between the uplink and downlink indicator lamp, this uplink and downlink indicator lamp stands within this line the passenger as a separation line simultaneously.As shown in Figure 7, on the surface of panel 8, be printed on upstream or downstream sign 19.
Call button in the present embodiment is installed on the bottom surface, as shown in Figure 3, on four angles of frame 7, be respectively arranged with mounting plane 9, on mounting plane, be provided with tapped mounting hole 1, as shown in Figure 6, the relevant position is provided with and mounting hole one 26 corresponding mounting holes 2 27 on base plate 10, as shown in Figure 9, it is recessed along 3 21 to be provided with a circle at the lower end edge opening of mounting hole 2 27, one through hole bolt 22, edge, its rear end is provided with the convex edge 23 of turning up, and this through hole bolt penetrates in mounting hole 2 27 and the mounting hole 1, and the front end of through hole bolt links to each other with mounting hole one screw thread, the convex edge overhead of rear end recessed along 3 21 on, screw 24 is installed in through hole bolt 22, frame 7 is fixed on the ground, thereby whole call button is fixed on the bottom surface.
During passenger's using escalator, stand in cooresponding call button one side respectively according to the purpose direction, promptly will people up stand in up call button on one side, people down stand in descending call button on one side, so just leave one of the crowd passage smoothly that is about to walk out elevator for, improved the efficient that ladder.After the passenger steps on call button, after pressing call button, if elevator is positioned at and exhales terraced people place layer, and will service direction corresponding, when elevator is approaching when exhaling terraced people place floor with descending call button, descending indicator lamp shows green, the up indicator lamp of offside is shown in red, if elevator is positioned at lower floor, and will service direction corresponding with up call button, up indicator lamp shows green, and the descending indicator lamp of offside is shown in red.After elevator arrived at a station, the people in the elevator had centre gangway to walk out, and the passenger of the side that then gives a green light enters elevator, make like this passenger orderly enter elevator, avoided chaotic situation.This elevator calling system has changed people's using escalator and has been accustomed to, improves the using escalator environment, improves transfer efficient.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as master control board, mechanical device, base plate, frame, panel morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. pedal type elevator calling system, comprise, descending call button, it is characterized in that: on described, descending call button (1) is foot-operated button, be installed in the ground of hoistway door both sides respectively, on being somebody's turn to do, descending call button is connected with elevator master control board (3) by signal separation module (2), master control board links to each other with the mechanical device (4) that drives the elevator operation, between master control board (3) and mechanical device (4), be connected with the hoistway electronic machine (6) that the elevator motion status information is fed back to master control board, the hoistway door both sides also be respectively arranged with on, on descending call button is corresponding, descending indicator lamp (5), described on, descending indicator lamp links to each other with signal separation module (2).
2. a kind of pedal type elevator calling system according to claim 1, it is characterized in that described on, descending call button (1) is by frame (7), base plate (10) and panel (8) three parts constitute, bottom at frame (7) is provided with recessed along one (11) along inward flange, described base plate (10) is embedded in recessed along closely cooperating along the edge in one (11) and with recessed, on the frame upper inner edge, be provided with a circle flange (14), be provided with recessed along two (15) that a circle matches with flange (14) on described panel (8) top along outward flange, this panel (8) holding is between flange (14) and base plate (10).
3. a kind of pedal type elevator calling system according to claim 2, it is characterized in that on frame (7), evenly being provided with four mounting planes (9), mounting plane is provided with tapped mounting hole one (26), going up the relevant position at base plate (10) is provided with and mounting hole one corresponding mounting hole two (27), it is recessed along three (21) to be provided with a circle at the lower end edge opening of mounting hole two, one through hole bolt (22), edge, its rear end is provided with the convex edge (23) of turning up, this through hole bolt penetrates in mounting hole two (27) and the mounting hole one (26), the front end of through hole bolt links to each other with mounting hole one screw thread, the convex edge overhead of rear end recessed along three (21) on, in through hole bolt (22), be provided with screw (24) frame (7) fixed on the ground.
4. a kind of pedal type elevator calling system according to claim 3 is characterized in that being provided with a circle seal groove (12) on mounting plane (9) surface, sealing band (13) is installed in seal groove.
5. according to claim 2 or 3 described a kind of pedal type elevator calling systems, it is characterized in that between base plate (10) and panel (8), being provided with some reseting spring leafs (20), this reseting spring leaf is installed on the base plate (10), and its two ends are upturned and withstand on panel (8) bottom.
6. a kind of pedal type elevator calling system according to claim 2 is characterized in that described uplink and downlink indicator lamp (5) is installed on the wall of hoistway door both sides respectively or on the ground, or is installed in respectively on the panel (8) of uplink and downlink call button (1).
7. according to claim 2 or 3 or 4 described a kind of pedal type elevator calling systems, it is characterized in that being provided with the switching circuit board of separating mutually at the two poles of the earth (16) at the upper surface of described base plate (10), the corresponding position is equipped with conductive rubber pad (18) on described panel (8) lower surface, and conductive rubber pad (18) is connected on the two poles of the earth of switching circuit board (16).
8. a kind of pedal type elevator calling system according to claim 7 is characterized in that also evenly being provided with some banking pins (17) on the upper surface of described base plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103013819A CN101875456B (en) | 2010-02-08 | 2010-02-08 | Pedal type elevator calling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103013819A CN101875456B (en) | 2010-02-08 | 2010-02-08 | Pedal type elevator calling system |
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| CN101875456A true CN101875456A (en) | 2010-11-03 |
| CN101875456B CN101875456B (en) | 2012-08-22 |
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| CN2010103013819A Active CN101875456B (en) | 2010-02-08 | 2010-02-08 | Pedal type elevator calling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072859A (en) * | 2013-01-05 | 2013-05-01 | 北京金宇盛通科技有限公司 | RFID (Radio Frequency Identification Devices) elevator monitoring control panel |
| KR101901017B1 (en) * | 2016-09-30 | 2018-09-20 | 한국해양대학교 산학협력단 | Foothold device for elevator call and door opening and closing |
| CN111348501A (en) * | 2020-03-12 | 2020-06-30 | 宁德市闽东医院 | Method for temporarily transforming elevator in public place during epidemic prevention and control period |
| CN112919274A (en) * | 2021-01-26 | 2021-06-08 | 江苏威尔曼科技有限公司 | Kick-out exhaling device based on photoelectric switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456503A (en) * | 2007-12-11 | 2009-06-17 | 上海德通生物科技有限公司 | Hospital elevator operated by foot |
-
2010
- 2010-02-08 CN CN2010103013819A patent/CN101875456B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072859A (en) * | 2013-01-05 | 2013-05-01 | 北京金宇盛通科技有限公司 | RFID (Radio Frequency Identification Devices) elevator monitoring control panel |
| KR101901017B1 (en) * | 2016-09-30 | 2018-09-20 | 한국해양대학교 산학협력단 | Foothold device for elevator call and door opening and closing |
| CN111348501A (en) * | 2020-03-12 | 2020-06-30 | 宁德市闽东医院 | Method for temporarily transforming elevator in public place during epidemic prevention and control period |
| CN112919274A (en) * | 2021-01-26 | 2021-06-08 | 江苏威尔曼科技有限公司 | Kick-out exhaling device based on photoelectric switch |
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| Publication number | Publication date |
|---|---|
| CN101875456B (en) | 2012-08-22 |
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Address after: 310019 No. nine, 28 Ring Road, Hangzhou, Zhejiang, Jianggan District Patentee after: Otis Electrical Elevator Co., Ltd. Address before: 310019 law department, nine Ring Road, Hangzhou, Zhejiang, Jianggan District Patentee before: Xizi Otis Elevator Co., Ltd. |