CN111039112A - Touch-free key control device for elevator - Google Patents
Touch-free key control device for elevator Download PDFInfo
- Publication number
- CN111039112A CN111039112A CN202010148857.3A CN202010148857A CN111039112A CN 111039112 A CN111039112 A CN 111039112A CN 202010148857 A CN202010148857 A CN 202010148857A CN 111039112 A CN111039112 A CN 111039112A
- Authority
- CN
- China
- Prior art keywords
- key
- control device
- button
- switch
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/50—Adaptations of switches or switchgear with operating or control mechanisms mounted in the car or cage or in the lift well or hoistway
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The invention relates to an elevator touch-free key control device, which comprises a central control device, a key input circuit matched with the central control device, a face recognition device, a voice input device and a two-dimensional code scanning device, wherein the output of the key input circuit is connected to a corresponding input/output interface of the central control device, a signal input switch of the key input circuit is an automatic induction switch or a switch circuit formed by connecting the automatic induction switch and the key switch in parallel, and the central control device controls the elevator to operate according to the input signal after receiving the input signal of any one of the face recognition device, the voice input device, the two-dimensional code scanning device and the automatic induction switch. Therefore, the user can operate and control the elevator without directly contacting the elevator key, the direct contact between the hand and the key is avoided, and the potential safety hazard caused by the contact of the key is eliminated.
Description
Technical Field
The invention relates to a touch-free key control device for an elevator, belonging to the technical field of elevators.
Background
The existing elevator is a common facility in daily life, an input device for operation and control is mainly a key input device, and comprises a calling box arranged outside an elevator hall and a control panel or an operation box in a car, wherein the calling box is usually only provided with two keys which are respectively used for calling input and calling input, and can be called as hall keys, the control panel is provided with input keys for operation and also integrates a plurality of functions of alarming, talking, operation state indication and the like, the input keys are mainly landing instruction keys corresponding to all floors and special function keys for opening doors, closing doors, emergency stop and the like, and can be called as car keys. When the key is pressed by a hand, the key switch is closed, a corresponding key input signal is formed on the input circuit, the control device determines the operation mode of the elevator according to the accessed key input signal, the state (such as position) of the elevator and the like, generates a corresponding traction control signal to be accessed into the traction motor circuit, and controls the traction motor through the traction motor circuit to realize corresponding operation.
However, in the process of pressing the keys, hands are in direct contact with the keys, and because many people operate the elevator, especially in some special epidemic situations, there is a risk that pathogens are spread or spread through the elevator keys, so that it is necessary to develop a contact-free elevator key operating device or operating device.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the touch-free button control device for the elevator, so that a user can control the operation of the elevator without directly contacting the elevator button.
The technical scheme of the invention is as follows: the touch-free key control device for the elevator comprises a central control device and a key input circuit matched with the central control device, wherein the output of the key input circuit is connected to a corresponding input/output interface of the central control device, and the touch-free key control device is characterized in that a signal input switch of the key input circuit is an automatic induction switch or a switch circuit formed by connecting the automatic induction switch and the key switch in parallel.
Preferably, the auto-induction switch is installed inside a button of the key switch it replaces, or inside a button of the key switch connected in parallel therewith, or beside a button of the key switch connected in parallel therewith.
Generally, the touch-free sensing areas of different automatic sensing switches should be separated from each other.
Preferably, the button input circuit includes a hall button input circuit and a car button input circuit, the hall button input circuit is arranged on a calling box located outside an elevator hall door, a button of a key switch of the hall button input circuit is exposed on the surface of a panel of the calling box, the car button input circuit is arranged on a control box located in an elevator car, and a button of the key switch of the car button input circuit is exposed on the surface of the control panel of the control box.
Generally, the panel surface of the call box and the control panel surface of the control box can be provided with sensing area identifications of corresponding automatic sensing switches.
Preferably, the automatic induction switch connected in parallel with the key switch of the out-hall input circuit is arranged at the corresponding call box, the touch-free induction area of the automatic induction switch is a local adjacent area of the surface of the panel of the call box, the automatic induction switch connected in parallel with the key switch of the in-car input circuit is arranged at the control box, and the touch-free induction area of the automatic induction switch is a local adjacent area of the surface of the control panel of the control box.
Preferably, the central control device is a PLC.
Preferably, a speech input device is arranged outside the hall door or in the car, and the output of the speech input device is connected to a corresponding input/output interface of the central control device.
Preferably, a face recognition device is arranged outside the hall door or in the car, and the output of the face recognition device is connected to a corresponding input/output interface of the central control device.
Preferably, a two-dimensional code scanning device is arranged outside the hall door or in the car, and the output of the two-dimensional code scanning device is connected to the corresponding input and output interface of the central control device.
The invention has the beneficial effects that: because the human body approach automatic induction switch connected with the keys related to the key input device in parallel is arranged, the corresponding automatic induction switch can be closed by approaching the induction area (induction surface) with hands, the same effect as pressing the corresponding key is achieved, and a corresponding key input signal is formed; because the non-contact input devices such as a face recognition device, a language input device, a two-dimensional code scanning device and the like are arranged in the lift car, and the output of the devices is connected to a PLC (programmable logic controller) or other micro-processing devices used as a central control device, a user can realize non-contact input in any mode, and the user can realize non-contact input conveniently according to own habits or actual conditions.
The invention provides various forms of non-contact input, avoids direct contact between hands and keys, eliminates the hidden health safety hazard caused by key contact, effectively cuts off the disease infection channel formed by the contact of elevator buttons, plays a good role in epidemic prevention, and can be used for elevators operated by various keys in the prior art.
Drawings
FIG. 1 is a schematic diagram of a hardware architecture of a touch-free key operation device of an elevator;
FIG. 2 is a schematic diagram of a parallel connection of a keyswitch and an auto-induction switch;
FIG. 3 is a schematic diagram of a key switch and an auto-induction switch separation distribution;
fig. 4 is a schematic diagram of the key switch and the auto-induction switch integrated.
Detailed Description
Referring to fig. 1-4, the touch-free key control device for an elevator of the present invention comprises a central control device and a key input circuit matched with the central control device, wherein the output of the key input circuit is connected to a corresponding input/output (I/O) interface of the central control device, and a signal input switch of the key input circuit is an auto-induction switch SA or a switch circuit (see fig. 2) formed by connecting an auto-induction switch and a key switch SB in parallel, that is, the key switch in the key input circuit is replaced by the auto-induction switch or the key switch of the key input circuit is connected in parallel with the corresponding auto-induction switch.
When the automatic induction switch is used for replacing the key switch, the position setting and even the appearance of the original key switch of a calling box positioned at a landing and a panel of an operation box positioned in a car (the panel of the operation box can also be called as a control panel and is usually embedded in the position suitable for manual operation on the inner wall of the car) are not required to be changed, after the key switch is only required to be removed, the button (pressing plate) is reserved, the corresponding automatic induction switch is installed on the inner side of the button, when a human hand approaches the button, the automatic induction switch is closed, and the effect which is completely the same as that when the button switch is originally adopted is pressed is formed. The user may be prompted at a suitable location or may have a special design so that the user can identify the touch-free device.
When the automatic induction switch is connected with the key switch in parallel, the circuit is switched on when any one of the switches is closed, and the effect is the same, so that which switch can be used for operation, and a user can operate according to own habits and actual conditions. For example, during certain epidemic situations, the touch-free mode operation can be adopted.
Generally, the button input circuit includes a hall button input circuit and a car button input circuit, the hall button input circuit is disposed on a call box located outside an elevator hall door, buttons of a button switch of the hall button input circuit are exposed on a surface of a panel of the call box for a corresponding landing call input, the car button input circuit is disposed on an operation box located in an elevator car, buttons of the button switch of the car button input circuit are exposed on a surface of a control panel of the operation box, an auto-induction switch connected in parallel with the button switch of the hall button input circuit is disposed on the corresponding call box, a touch-free induction area thereof is a local vicinity area of the surface of the panel of the call box, an auto-induction switch connected in parallel with the button switch of the car button input circuit is disposed on the operation box, a touch-free induction area thereof is a local vicinity area of the surface of the control panel of the operation box, the touch-free sensing areas of different auto-sensing switches are separated from each other.
The surface of the calling box panel and the surface of the control panel of the control box are both provided with induction area marks of corresponding automatic induction switches, such as circular patterns, annular grooves, cylindrical protrusions, circular transparent windows (transparent material discs on circular holes on the panel of the calling box or the control panel of the control box in an embedded mode) with the inner sides provided with illumination (such as light emitting diodes) and the like.
The automatic induction switch is arranged on the inner side of the button of the key switch connected in parallel with the automatic induction switch, or is positioned on the inner side of the button of the key switch replaced by the automatic induction switch, and can be directly arranged on the button, or can be arranged on other places positioned on the inner side of the button instead of being directly arranged on the button.
When the key switch does not need to be kept, the key switch can be removed, only the button is kept, the automatic induction switch is arranged on the inner side of the button, the button can be fixed, and the button can be allowed to be pressed.
For example (see fig. 4), the button 11 has an inner cavity for installing a corresponding auto-induction switch or a blind hole opened on the inner surface of the button for installing the corresponding auto-induction switch, the auto-induction switch 20 is arranged in the inner cavity or the blind hole of the inner surface of the button, when the button is pressed, the button can move downwards under the limit of the shell 51, so that the movable contact 15 and the fixed contact 16 of the key switch are contacted, and after the button is released, the button is reset under the action of the reset spring 13 positioned below the button. Under the condition, the panel design of the existing calling box and the control box is not required to be changed, when a human hand approaches the button, the automatic induction switch is automatically closed after sensing the human body to form corresponding signal input, meanwhile, the button lamp is lightened to prompt a user to operate successfully, and the button is not required to be further pressed, so that a contact and a contact connecting line of the key switch can be removed, only the automatic induction switch is arranged, a reset spring below the button can be removed, and the button is fixed on the shell.
As another example, the auto-induction switch is installed beside, e.g., left or right, or above or below, the key switch connected in parallel therewith. For example, in the conventional car interior console box, the buttons of the key switches are usually arranged in two rows, i.e., left and right rows, on the basis of which the width of the control panel of the console box can be increased, the automatic induction switches connected in parallel with the left row of key switches are arranged on the left side of the corresponding left row of key switches in a row, and the automatic induction switches connected in parallel with the right row of key switches are arranged on the right side of the corresponding right row of key switches in a row.
Referring to fig. 3, the automatic inductive switches 20 connected in parallel to the key switches 10 of the hall call box can be respectively arranged on the left side and the right side of the corresponding key switches, or can be respectively arranged above and below the corresponding key switches, and the shape and the size of the call box panel 50 can be set according to actual needs.
Because the automatic induction switch is connected with the key switch in parallel or directly replaces the key switch, the automatic induction switch is closed after a hand extends to an induction area of the automatic induction switch, the generated effect (state switching of the key input circuit) is completely the same as the effect generated by closing the key switch, and a corresponding input signal is formed.
The central control device is a PLC or other suitable micro-processing device, the PLC preferably adopts a 51-chip microcomputer, such as an MCS-51 series single-chip microcomputer, or other similar single-chip microcomputers, such as AT89C52, and any suitable PLC or other micro-processing device with corresponding functions can be selected to be used as the central control device according to the characteristics of the PLC and the actual requirements of the elevator.
The automatic inductive switch can be a human body infrared inductive sensor, an inductive human body proximity switch or an infrared detector, and is preferably various suitable proximity switches capable of sensing a human body.
A speech input device can be arranged outside the hall door or in the car, and the output of the speech input device is connected to the corresponding input and output interface of the central control device.
The voice input device recognizes the received voice and forms a voice input signal (data) to be sent to the central control device under the support of software, the voice recognition and the related information extraction can be realized under the support of corresponding software by adopting the prior art, the voice input device generates a voice input signal according to the extracted related information and sends the voice input signal to the central control device, a data transmission link of the voice input device can adopt a transmission link of a related call box or a control box, or a transmission link from the voice input device to the central control device can be additionally arranged, for example, a corresponding wireless local area network link is arranged and added.
When the voice input device is arranged outside a hall door, the central control device receives a voice input signal sent by the voice input device, takes position (landing) information of the voice input device as call information, takes target floor information as floor instruction information (in-car instruction information) and controls the running of an elevator, and when the voice input device is arranged in a car, the central control device receives the voice input signal sent by the voice input device, takes the target floor information as the floor instruction information and controls the running of the elevator, and the elevator is controlled to reach the landing where the voice input device is located and then to run to the target landing.
A face recognition device can be arranged outside the hall door or in the car, and the output of the face recognition device is connected to the corresponding input and output interface of the central control device.
The face recognition device recognizes the face features according to the acquired face image and generates corresponding face feature information to be sent to the central control device, the face feature recognition and the face feature information generation of the face recognition device can be realized by adopting the prior art under the support of corresponding software, a data transmission link of the face recognition device can adopt a transmission link of a related call box or a control box, or a transmission link from the face recognition device to the central control device can be additionally arranged, for example, a corresponding wireless local area network link is arranged and added.
The central control device inquires a corresponding database according to the face feature information sent by the face recognition device, reads landing (floor) data corresponding to the face feature after the inquiry is successful, and controls the elevator to run by taking the landing as a target landing.
When the face recognition device is positioned outside a hall door, the central control device receives face feature information sent by the face recognition device, then controls the elevator to reach the landing according to landing information of the face recognition device, and then controls the elevator to run by taking the landing (floor) corresponding to the face feature as a target landing. Therefore, when the face recognition device is arranged outside the hall, a user can finish two steps of calling and selecting floors only by inputting once.
The hall door or can be equipped with two-dimensional code scanning device in the car, two-dimensional code scanning device's output inserts central control unit's corresponding input/output interface.
The two-dimensional code scanning device sends the read two-dimensional code information to the central control device, and a data transmission link of the two-dimensional code scanning device can adopt a transmission link of a related call box or a control box, or a transmission link from the two-dimensional code scanning device to the central control device can be additionally arranged, for example, a corresponding wireless local area network link is arranged and added.
The central control device inquires a corresponding database according to the two-dimension code information sent by the two-dimension code scanning device, reads landing (floor) data corresponding to the two-dimension code after the inquiry is successful, and controls the elevator to run by taking the landing as a target landing.
When the two-dimensional code scanning device is positioned outside a hall door, the central control device receives the two-dimensional code information sent by the two-dimensional code scanning device, firstly controls the elevator to reach the landing according to the landing information of the two-dimensional code scanning device, and then controls the elevator to run by taking the landing (floor) corresponding to the two-dimensional code as a target landing. Therefore, when the two-dimensional code scanning device is arranged outside a hall door, a user can finish two steps of calling and selecting floors only by inputting once.
The database of the corresponding relation between the human face features, the two-dimensional codes and the landings can be established according to the prior art, and corresponding database information can be perfected (when necessary) on the basis of the existing personnel management information system or a corresponding database can be additionally established. For example, data entry software is arranged, a face image is shot by a mobile phone through the software, floors and other information (when needed) are manually input, a two-dimensional code is automatically generated after the information input is completed, and the two-dimensional code is displayed through the mobile phone or printed on a card when the two-dimensional code is used.
The central control device inquires a corresponding database according to the two-dimensional code information input by the two-dimensional code scanning device, reads the landing (floor) number corresponding to the two-dimensional code information after the inquiry is successful, and controls the elevator to run by taking the landing as a target landing.
Other identity recognition devices such as an IC card reader and the like can be arranged, and the central control device inquires and reads corresponding landing information according to the identity recognition information subjected to recognition processing, so that the elevator is controlled to operate.
The user can select any input mode, and the central control device controls the elevator to correspondingly operate after receiving the legal input of any input device.
When the input of any input device is invalid or illegal, for example, the relevant information can not be identified from the voice input, the face feature information or the two-dimensional code information can not be inquired in the relevant database, and the like, the central control device can prompt the user in a suitable mode such as voice or character display, and the like.
The central control device may be configured to control the hoisting mechanism, the floor display device, the elevator operation state display device, and the like, based on any type of input according to the conventional art.
The technical means disclosed by the invention can be combined arbitrarily to form a plurality of different technical schemes except for special description and the further limitation that one technical means is another technical means.
Claims (10)
1. The touch-free key control device for the elevator comprises a central control device and a key input circuit matched with the central control device, wherein the output of the key input circuit is connected to a corresponding input/output interface of the central control device, and the touch-free key control device is characterized in that a signal input switch of the key input circuit is an automatic induction switch or a switch circuit formed by connecting the automatic induction switch and the key switch in parallel.
2. The touch-free key manipulation device for elevators according to claim 1, wherein the automatic sensing switch is installed inside the button of the key switch it replaces, or inside the button of the key switch connected in parallel therewith, or beside the button of the key switch connected in parallel therewith.
3. The touch-free key operating device for an elevator as claimed in claim 2, wherein the touch-free sensing areas of the different automatic sensing switches are separated from each other.
4. The touch-free button control device for elevator as claimed in claim 3, wherein the button input circuit comprises an out-of-hall button input circuit and a car button input circuit, the out-of-hall button input circuit is disposed on a call box located outside an elevator hall door, buttons of the button switches are exposed on a panel surface of the call box, the car button input circuit is disposed on a control box located in an elevator car, and buttons of the button switches are exposed on a control panel surface of the control box.
5. The touch-free button control device for elevators as recited in claim 4, wherein the panel surface of the call box and the control panel surface of the control box are provided with sensing area identifications of corresponding auto-sensing switches.
6. The touch-free button operating device for elevators as defined in claim 4, wherein the automatic sensing switch connected in parallel with the button switch of the out-of-hall input circuit is provided at the corresponding call box with a touch-free sensing area being a local vicinity of the panel surface of the call box, and the automatic sensing switch connected in parallel with the button switch of the in-car input circuit is provided at the operating box with a touch-free sensing area being a local vicinity of the control panel surface of the operating box.
7. The touch-free key control device for elevators according to any one of claims 1-6, wherein the central control device is a PLC.
8. The touch-free key operation device for the elevator as claimed in any one of claims 1 to 6, wherein a speech input device is arranged outside the hall door or inside the car, and the output of the speech input device is connected to the corresponding input and output interface of the central control device.
9. The touch-free key control device for the elevator as claimed in any one of claims 1 to 6, wherein a face recognition device is arranged outside the hall door or inside the car, and the output of the face recognition device is connected to the corresponding input and output interface of the central control device.
10. The touch-free key control device for the elevator as claimed in any one of claims 1 to 6, wherein a two-dimensional code scanning device is arranged outside the hall door or inside the car, and the output of the two-dimensional code scanning device is connected to the corresponding input and output interface of the central control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148857.3A CN111039112A (en) | 2020-03-05 | 2020-03-05 | Touch-free key control device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148857.3A CN111039112A (en) | 2020-03-05 | 2020-03-05 | Touch-free key control device for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111039112A true CN111039112A (en) | 2020-04-21 |
Family
ID=70230910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010148857.3A Pending CN111039112A (en) | 2020-03-05 | 2020-03-05 | Touch-free key control device for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111039112A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762646A (en) * | 2020-06-19 | 2020-10-13 | 云南华君信科技有限公司 | Intelligent control non-contact elevator taking method and system |
| CN111977477A (en) * | 2020-07-21 | 2020-11-24 | 海宁萃智智能机器人有限公司 | Elevator using sound wave for key signal wireless transmission and non-contact button thereof |
| CN112367068A (en) * | 2020-11-12 | 2021-02-12 | 康佳集团股份有限公司 | Elevator button circuit and elevator |
| WO2021219920A1 (en) * | 2020-04-29 | 2021-11-04 | Kone Corporation | A solution for generating a touchless elevator call |
| CN113879923A (en) * | 2021-08-31 | 2022-01-04 | 北京声智科技有限公司 | Elevator control method, system, device, electronic equipment and storage medium |
| CN113979249A (en) * | 2021-10-28 | 2022-01-28 | 上海三菱电梯有限公司 | Elevator voice control system and method |
| CN114644276A (en) * | 2022-04-11 | 2022-06-21 | 伊萨电梯有限公司 | Intelligent elevator control method under mixed scene condition |
| TWI780463B (en) * | 2020-08-03 | 2022-10-11 | 遠東科技大學 | Contactless management method for visitor limit and access control |
-
2020
- 2020-03-05 CN CN202010148857.3A patent/CN111039112A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021219920A1 (en) * | 2020-04-29 | 2021-11-04 | Kone Corporation | A solution for generating a touchless elevator call |
| CN111762646A (en) * | 2020-06-19 | 2020-10-13 | 云南华君信科技有限公司 | Intelligent control non-contact elevator taking method and system |
| CN111762646B (en) * | 2020-06-19 | 2022-09-20 | 云南华君信科技有限公司 | Intelligent control non-contact elevator taking method and system |
| CN111977477A (en) * | 2020-07-21 | 2020-11-24 | 海宁萃智智能机器人有限公司 | Elevator using sound wave for key signal wireless transmission and non-contact button thereof |
| TWI780463B (en) * | 2020-08-03 | 2022-10-11 | 遠東科技大學 | Contactless management method for visitor limit and access control |
| CN112367068A (en) * | 2020-11-12 | 2021-02-12 | 康佳集团股份有限公司 | Elevator button circuit and elevator |
| CN112367068B (en) * | 2020-11-12 | 2024-07-19 | 康佳集团股份有限公司 | Elevator key circuit and elevator |
| CN113879923A (en) * | 2021-08-31 | 2022-01-04 | 北京声智科技有限公司 | Elevator control method, system, device, electronic equipment and storage medium |
| CN113879923B (en) * | 2021-08-31 | 2023-08-04 | 北京声智科技有限公司 | Elevator control method, system, device, electronic equipment and storage medium |
| CN113979249A (en) * | 2021-10-28 | 2022-01-28 | 上海三菱电梯有限公司 | Elevator voice control system and method |
| CN114644276A (en) * | 2022-04-11 | 2022-06-21 | 伊萨电梯有限公司 | Intelligent elevator control method under mixed scene condition |
| CN114644276B (en) * | 2022-04-11 | 2022-12-02 | 伊萨电梯有限公司 | Intelligent elevator control method under mixed scene condition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111039112A (en) | Touch-free key control device for elevator | |
| CN101277892B (en) | Lifter safety system, method for controlling lifting box movement in lifter | |
| US8602171B2 (en) | Method of controlling access to an elevator car | |
| JP5159723B2 (en) | Elevator landing control device | |
| KR101331691B1 (en) | Elevator operating panel | |
| AU2012234491B2 (en) | Method for modernizing an elevator installation | |
| KR20110059883A (en) | Method for operating a lift system, call input device, lift system comprising a call input device of this type and method for retrofitting a lift system with a call input device of this type | |
| US20030111299A1 (en) | Elevator call panel and method of controlling the panel | |
| EP1882666B1 (en) | Method of controlling access to an elevator | |
| CN111498625A (en) | Contactless safety elevator system | |
| CN211920513U (en) | Touch-free key control device for elevator | |
| US20230150795A1 (en) | Elevator operating device having two call input devices disposed separate from each other with respect to passengers | |
| EP1849740A1 (en) | Monitoring device and method for monitoring a lift system | |
| JP2001026382A (en) | System for in-car elevator actuation for maintenance | |
| CN108083073A (en) | Escalator system | |
| JP2006016124A (en) | Elevator system | |
| EP3401257A1 (en) | Car operating panel for an elevator car having at least two car doors | |
| CN113365934B (en) | Elevator installation with an elevator operating device for physically restricted passengers | |
| CN112125076A (en) | Replaceable elevator key | |
| JPH06305651A (en) | Landing call registration device for elevator | |
| KR20010028145A (en) | Elevator for detecting passengers and controlling method thereof | |
| JP7414936B1 (en) | Elevator control device, elevator control method, and elevator control program | |
| US6230847B1 (en) | Flashing “door open” button for an elevator car | |
| EP3288883B1 (en) | Car operation panel of an elevator system | |
| JP7476946B1 (en) | elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |