CN108545562B - Elevator display capable of automatically detecting faults and using method thereof - Google Patents
Elevator display capable of automatically detecting faults and using method thereof Download PDFInfo
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- CN108545562B CN108545562B CN201810432352.2A CN201810432352A CN108545562B CN 108545562 B CN108545562 B CN 108545562B CN 201810432352 A CN201810432352 A CN 201810432352A CN 108545562 B CN108545562 B CN 108545562B
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- 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
- B66B1/52—Floor selectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
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- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an automatic fault detection elevator display and a use method thereof, belonging to the technical field of elevator floor outside call and car operating panel displays, the automatic fault detection elevator display comprises an outside call display body, a car inside display body and an elevator control cabinet, wherein the outside call display body comprises an outside call display screen, an outside call key and an outside call MCU, the car inside display body comprises a car inside display screen, a floor key, a door switch, an alarm bell key and the car inside MCU, the floor indication, the arrow indication, the elevator state indication and the button answering state can be detected by the MCU in real time, when the set threshold value is exceeded, the display will feed back to the elevator system, and the elevator control cabinet passes through the thing networking device, sends feedback information to high in the clouds and dimension guarantor's cell-phone in real time, reduces dimension guarantor's check-out time, reduces the dimension guarantor cost, makes things convenient for elevator company or dimension guarantor person to be responsible for the real-time supervision to elevator overall performance.
Description
Technical Field
The invention relates to the field of elevator floor outbound and car operating panel displays, in particular to an elevator display capable of automatically detecting faults and a using method thereof.
Background
The elevator floor display is also called an elevator monitoring floor display or an elevator floor character superimposer, is suitable for various elevator places for installing elevator monitoring, samples the running state of an elevator through a photoelectric sensor under the condition of not changing the original electric appliance circuit of the elevator, and can superimpose and display information such as time, date, elevator name, floor where the elevator is located, running direction and state, and floor blocking faults on a far-end elevator monitoring video, and the elevator display is divided into an elevator floor external calling display and an elevator car operating panel display.
The basic function of a traditional elevator calling display is used for registering and calling the elevator for a user, the floor where the current elevator car is located is displayed, the basic function of the elevator car control panel display is used for registering a user selection target floor, the current running direction and the current floor are displayed, the elevator display can be matched with corresponding buttons to operate, but the existing elevator floor calling display and the existing elevator car control panel display lack self-checking, the elevator floor display effect is influenced when a fault occurs, whether button response is damaged or not can not be judged, maintenance personnel are complex to overhaul, all checks of each floor are needed, and time and labor are wasted.
Disclosure of Invention
1. Technical problem to be solved
The elevator display device comprises an MCU (micro control unit), a cloud end and a mobile phone of a maintenance worker, wherein the MCU is used for detecting floor indication, arrow indication, elevator state indication and button response state in real time, judging whether the state of the elevator display device is within a set threshold value or not, and when the state of the elevator display device exceeds the set threshold value, the display device feeds back the state to an elevator system, and an elevator control cabinet sends feedback information to the cloud end and the mobile phone of the maintenance worker in real time through an internet of things device, so that automatic fault detection is realized, the detection time of the maintenance worker is shortened, the maintenance cost is reduced, and the elevator company or the maintenance worker is convenient to monitor the overall performance of the elevator in real time.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An elevator display capable of automatically detecting faults comprises an outer calling display body, a display body in a car and an elevator control cabinet, wherein the outer calling display body and the display body in the car are electrically connected with the elevator control cabinet, the outer calling display body comprises an outer calling display screen, an outer calling key and an outer calling MCU, the display body in the car comprises a display screen in the car, floor keys, a door opening and closing key, an alarm bell key and an MCU in the car, the floor indication, arrow indication, elevator state indication and button response state can be detected in real time through the MCU, whether the state of the display is within a set threshold value or not is judged, when the state of the display is beyond the set threshold value, the display feeds back to an elevator system, the elevator control cabinet sends feedback information to a cloud end and a mobile phone of a maintenance worker in real time through an internet of things device, automatic fault detection is realized, the detection time of the maintenance worker is shortened, and the maintenance worker cost is reduced, the elevator maintenance system is convenient for an elevator company or a maintenance personnel supervisor to monitor the overall performance of the elevator in real time.
Furthermore, install first special signal lamp and first button answer light on exhaling the display body outward, can carry out corresponding feedback to the operation of button, easily improve user experience.
Further, install special signal lamp of second and the answer light of second button on the display body in the car, can carry out corresponding feedback to the operation of button, easily improve user experience.
Furthermore, the display screen exhales outward and the display screen is the LED dot matrix display screen in the car, and the display effect is good, and the cost is lower.
Furthermore, the suggested mounting height of the lower end of the outbound display body from the ground and the middle of the outbound display body from the ground in the car is 875mm, and most people can operate the keys according to the size of the man-machine with standing elbow and hand function higher than the fifth percentile.
Furthermore, all include on exhaling the display screen outward and the car in the display screen and show floor and arrow point display matrix, easily show corresponding floor information.
Further, the elevator control cabinet is connected with the Internet of things equipment, so that data can be fed back in time.
Further, the internet of things equipment is connected with the cloud server, can record and store real-time data, and is easy to analyze the performance of the elevator through the data.
Furthermore, the Internet of things equipment and the cloud server can push information to maintenance personnel and a computer background, and therefore elevator company personnel can manage and analyze the elevator and the elevator performance easily.
An elevator display capable of automatically detecting faults comprises the following use methods:
the method comprises the following steps: the self-checking program is operated after the outbound display body is electrified, the dot matrix displayed by the floor on the outbound display screen is scanned and scanned in rows, the arrow dot matrix displays an uplink arrow and a downlink arrow, a first special signal lamp and a first button answering lamp are sequentially lightened, the outbound MCU can sequentially detect the arrow dot matrix, the floor display dot matrix and the outbound key answering current value, meanwhile, the dot matrix displayed by the floor on the display screen in the lift car is scanned and scanned in rows, the arrow dot matrix displays an uplink arrow and a downlink arrow, a second special signal lamp and a second button answering lamp are sequentially lightened, and the MCU in the lift car can sequentially detect the arrow dot matrix, the floor display dot matrix, the floor keys, the door opening and closing and alarm bell key answering current values;
step two: the current values detected by the outbound MCU and the MCU in the car are compared with a software set threshold value, and when the current values exceed the threshold value range, the outbound MCU and the MCU in the car feed back corresponding signals and data to the elevator control cabinet;
step three: after receiving the signals and the data, the elevator control cabinet sends the signals and the data to the Internet of things equipment;
step four: after receiving the signals and the data, the Internet of things equipment sends the signals and the data to the cloud server, and the cloud server can record and store the real-time data;
step five: the cloud server analyzes and processes the received signals and data, converts the signals and data into specific character descriptions corresponding to faults, and automatically generates maintenance suggestions and tools to be carried;
step six: the cloud server stores information of all elevator maintenance personnel and maintenance personnel supervisors and fault types which are good for processing of all the maintenance personnel, a mobile phone APP and a computer background are arranged at a cloud server terminal, the maintenance information is sent to all the maintenance personnel who are good for processing the faults through mobile phone short messages and the mobile phone APP according to the fault types, the maintenance information comprises the position of the fault elevator, the fault type, tools or accessories which may need to be carried, the time when the faults occur and the like, meanwhile, the maintenance information is sent to a mailbox and a mobile phone which are in charge of the maintenance personnel, the maintenance personnel supervisors can observe all real-time information from the computer background, and personnel delegation work can be carried out;
step seven: the maintenance personnel receiving the information can confirm the processing of the maintenance information through replying short messages or operating the mobile phone APP, the processing is similar to a bill receiving, when no one receives the bill within five minutes, the cloud server can send the maintenance information to all the maintenance personnel, the maintenance information is retransmitted every ten minutes until the maintenance personnel receive the bill or a maintenance personnel manager makes a response, and after the bill receiving, the maintenance personnel can carry corresponding tools or accessories to a fault location to process faults according to the prompt of the maintenance information;
step eight: after the maintenance personnel finish corresponding fault handling, the display body called outside and the display body in the car can carry out self-checking again, corresponding data are transmitted to the elevator control cabinet and then transmitted to the cloud server through the Internet of things equipment, after the fault is eliminated, the maintenance personnel can summarize the fault handling correspondingly, the summary comprises fault reasons, a handling method, required tools, accessories and the like, and the summary can be stored in the cloud server and used for an elevator company to analyze the elevator performance and can also be used for the maintenance personnel in the later period to refer to the fault eliminating method.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can instruct through MCU real-time detection floor, the arrow point indicates, elevator status instructs, the button state of answering, judge its state with in setting for the threshold value, when surpassing and set for the threshold value, the elevator system will be fed back to the display, the elevator switch board passes through thing networking device, send feedback information to high in the clouds and dimension protection personnel cell-phone in real time, realize automatic fault detection, reduce dimension protection personnel check-out time, reduce the dimension protection cost, make things convenient for elevator company or dimension protection personnel to be responsible for the real-time supervision to elevator wholeness ability.
(2) Install first special signal lamp and first button answer light on exhaling the display body outward, can carry out corresponding feedback to the operation of button, easily improve user experience.
(3) Install special signal lamp of second and second button answer light on the display body in the car, can carry out corresponding feedback to the operation of button, easily improve user experience.
(4) The outer calling display screen and the inner display screen of the car are LED dot matrix display screens, the display effect is good, and the cost is low.
(5) The suggestion mounting height that the lower extreme of exhaling the display body outward apart from ground and the middle part of display body in the car apart from ground is 875mm, according to the man-machine size of standing position elbow height, the high fifth percentile of hand function, this height can make most people all can operate the button.
(6) The display screen is called outward and the display screen in the car is provided with a display floor and an arrow display dot matrix, so that corresponding floor information is easy to display.
(7) The elevator control cabinet is connected with the Internet of things equipment, and data can be fed back in time.
(8) The Internet of things equipment is connected with the cloud server, can record and store real-time data, and is easy to analyze the performance of the elevator through the data.
(9) The Internet of things equipment and the cloud server can push information to maintenance personnel and a computer background, and elevator company personnel can manage and analyze the elevator and the elevator performance easily.
Drawings
FIG. 1 is a schematic structural diagram of an outbound display body according to the present invention;
FIG. 2 is a schematic structural diagram of a display body in a car according to the present invention;
FIG. 3 is a flow chart of the present invention;
fig. 4 is a schematic structural diagram of a data transmission system according to the present invention.
The reference numbers in the figures illustrate:
exhale display body outside 1, 2 display body in the car, exhale the display screen outside 3, exhale the button outside 4, exhale MCU outside 5, display screen in 6 cars, 7 floor buttons, 8 switch door and alarm bell button, MCU in 9 cars.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an elevator display for automatic fault detection comprises an outbound display body 1, an in-car display body 2 and an elevator control cabinet, wherein the outbound display body 1 and the in-car display body 2 are both electrically connected to the elevator control cabinet, the outbound display body 1 comprises an outbound display screen 3, an outbound key 4 and an outbound MCU 5, the in-car display body 2 comprises an in-car display screen 6, floor keys 7, a door opening and closing and alarm button 8 and an in-car MCU 9, a first special signal lamp and a first button response lamp are installed on the outbound display body 1, and can perform corresponding feedback on the operation of the keys, thereby easily improving user experience, a second special signal lamp and a second button response lamp are installed on the in-car display body 2, and can perform corresponding feedback on the operation of the keys, thereby easily improving user experience, exhale display screen 3 outward and display screen 6 in the car and be LED dot matrix display screen, excellent in display effect, and the cost is lower, exhale outer lower extreme distance ground of display body 1 and the car in the middle part of display body 2 apart from the suggestion mounting height on ground and be 875mm, according to standing posture elbow height, the man-machine size of the high fifth percentile of hand function, this height can make most people homoenergetic operate the button, exhale outward and all show floor and arrow point display dot matrix on display screen 6 in display screen 3 and the car, easily show corresponding floor information.
Please refer to fig. 4, the elevator control cabinet is connected with the internet of things device, so that data can be fed back in time, the internet of things device is connected with the cloud server, so that real-time data can be recorded and stored, the performance of the elevator can be analyzed easily through data, the internet of things device and the cloud server can push information to maintenance personnel and a computer background, and the elevator can be managed and analyzed easily by elevator company personnel.
Referring to fig. 3-4, an elevator display with automatic fault detection is provided, which has the following usage:
the method comprises the following steps: the self-checking program runs after the outbound display body 1 is electrified, the self-checking program is programmed with corresponding logic language in the outbound MCU 5 by technical personnel in the field in advance, the dot matrix of floor display is scanned and scanned on the outbound display screen 3, the arrow dot matrix displays an uplink arrow and a downlink arrow, a first special signal lamp and a first button answering lamp are sequentially lightened, the outbound MCU 5 can sequentially detect the arrow dot matrix, the floor display dot matrix and the outbound key 4 answering current value, meanwhile, the dot matrix of floor display is scanned and scanned on the display screen 6 in the car, the arrow dot matrix displays an uplink arrow and a downlink arrow, a second special signal lamp and a second button answering lamp are sequentially lightened, the technical personnel in the field also program with corresponding logic language in the MCU 9 in the car in advance, the MCU 9 in the car can sequentially detect the arrow, the floor display dot matrix, the second button answering lamp and the first special signal lamp are sequentially lightened, The floor button 7 and the switch door and alarm bell button 8 respond to the current value;
step two: the current values detected by the outbound MCU 5 and the MCU 9 in the car are compared with a software set threshold value, and when the current values exceed the threshold value range, the outbound MCU 5 and the MCU 9 in the car feed back corresponding signals and data to the elevator control cabinet, and the process is realized by programming logic language in the corresponding MCU in advance by a person skilled in the art;
step three: after receiving the signals and the data, the elevator control cabinet sends the signals and the data to the Internet of things equipment;
step four: after receiving the signals and the data, the Internet of things equipment sends the signals and the data to the cloud server, and the cloud server can record and store the real-time data;
step five: the cloud server analyzes and processes the received signals and data, converts the signals and data into specific character descriptions corresponding to faults, and automatically generates maintenance suggestions and tools to be carried;
step six: the cloud server stores information of all elevator maintenance personnel and maintenance personnel supervisors and fault types which are good for processing of all the maintenance personnel, a mobile phone APP and a computer background are arranged at a cloud server terminal, the maintenance information is sent to all the maintenance personnel who are good for processing the faults through mobile phone short messages and the mobile phone APP according to the fault types, the maintenance information comprises the position of the fault elevator, the fault type, tools or accessories which may need to be carried, the time when the faults occur and the like, meanwhile, the maintenance information is sent to a mailbox and a mobile phone which are in charge of the maintenance personnel, the maintenance personnel supervisors can observe all real-time information from the computer background, and personnel delegation work can be carried out;
step seven: the maintenance personnel receiving the information can confirm the processing of the maintenance information through replying short messages or operating the mobile phone APP, the processing is similar to a bill receiving, when no one receives the bill within five minutes, the cloud server can send the maintenance information to all the maintenance personnel, the maintenance information is retransmitted every ten minutes until the maintenance personnel receive the bill or a maintenance personnel manager makes a response, and after the bill receiving, the maintenance personnel can carry corresponding tools or accessories to a fault location to process faults according to the prompt of the maintenance information;
step eight: after the maintenance personnel finish corresponding fault handling, the display body 1 called outside and the display body 2 in the car can carry out self-checking again, corresponding data are transmitted to the elevator control cabinet and then transmitted to the cloud server through the Internet of things equipment, after the fault is removed, the maintenance personnel can summarize the fault handling correspondingly and comprise fault reasons, handling methods, required tools, accessories and the like, the summary can be stored in the cloud server and used for elevator companies to analyze elevator performance, and the later maintenance personnel can also refer to the fault removing method.
Install recording equipment on display body 2 in the car, the recording file can pass through elevator switch board and thing networking device and convey to high in the clouds server, and simultaneously, logic language is compiled into through technical staff to the high in the clouds server, can convert the recording file into the sound wave picture, when the elevator breaks down, recording file and corresponding sound wave picture in 60 seconds all can the propelling movement to the cell-phone APP and the computer backstage of dimension guarantor personnel around breaking down, the recording can provide more maintenance references, and the sound wave picture can be more audio analysis elevator operation situation before and after breaking down.
This scheme can instruct through MCU real-time detection floor, the arrow point indicates, elevator status instructs, the button state of answering, judge its state with in setting for the threshold value, when surpassing and set for the threshold value, the elevator system will be fed back to the display, the elevator switch board passes through thing networking device, send feedback information to high in the clouds and dimension protection personnel cell-phone in real time, realize automatic fault detection, reduce dimension protection personnel check-out time, reduce the dimension protection cost, make things convenient for elevator company or dimension protection personnel to be responsible for the real-time supervision to elevator wholeness ability.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an automatic fault detection's elevator display, includes and exhales display body (1), display body (2) and elevator control cabinet in the car outward, exhale display body (1) outward and display body (2) all with elevator control cabinet electric connection in the car, its characterized in that: the calling display body (1) comprises a calling display screen (3), a calling button (4) and a calling MCU (5), the calling display body (2) comprises a display screen (6) in a car, a floor button (7), a door opening and closing button, an alarm button (8) and an MCU (9) in the car, a first special signal lamp and a first button answering lamp are installed on the calling display body (1), a second special signal lamp and a second button answering lamp are installed on the calling display body (2), recording equipment is installed on the calling display body (2) in the car, the calling display screen (3) and the calling display screen (6) in the car are LED dot matrix display screens, and the suggested installation height between the lower end of the calling display body (1) and the ground and between the middle of the calling display body (2) in the car and the ground is 875 mm;
the use method of the automatic fault detection elevator display comprises the following steps: the self-checking program is operated after the outbound display body (1) is electrified, dot matrix scanning and line scanning of floor display are carried out on an outbound display screen (3), an arrow dot matrix displays an uplink arrow and a downlink arrow, a first special signal lamp and a first button response lamp are sequentially lightened, an outbound MCU (5) can sequentially detect the arrow dot matrix, the floor display dot matrix and an outbound button (4) response current value, meanwhile, the dot matrix scanning and line scanning of the floor display are carried out on a display screen (6) in a car, the arrow dot matrix displays the uplink arrow and the downlink arrow, a second special signal lamp and a second button response lamp are sequentially lightened, and an MCU (9) in the car can sequentially detect the arrow dot matrix, the floor display dot matrix, the floor button (7), the opening and closing door and alarm bell button (8) response current values;
step two: the current values detected by the outbound MCU (5) and the MCU (9) in the car are compared with the threshold value set by software, and when the current values exceed the threshold value range, the outbound MCU (5) and the MCU (9) in the car feed back corresponding signals and data to the elevator control cabinet;
step three: after receiving the signals and the data, the elevator control cabinet sends the signals and the data to the Internet of things equipment;
step four: after receiving the signals and the data, the Internet of things equipment sends the signals and the data to the cloud server, and the cloud server can record and store the real-time data;
step five: the cloud server analyzes and processes the received signals and data, converts the signals and data into specific character descriptions corresponding to faults, and automatically generates maintenance suggestions and tools to be carried;
step six: the cloud server stores information of all elevator maintenance personnel and maintenance personnel supervisors and fault types which are good for processing of all the maintenance personnel, a mobile phone APP and a computer background are arranged at a cloud server terminal, the maintenance information is sent to all the maintenance personnel who are good for processing the faults through mobile phone short messages and the mobile phone APP according to the fault types, the maintenance information comprises the position of the fault elevator, the fault type, tools or accessories which may need to be carried, the time when the faults occur and the like, meanwhile, the maintenance information is sent to a mailbox and a mobile phone which are in charge of the maintenance personnel, the maintenance personnel supervisors can observe all real-time information from the computer background, and personnel delegation work can be carried out;
step seven: the maintenance personnel receiving the information can confirm the processing of the maintenance information through replying short messages or operating the mobile phone APP, the processing is similar to a bill receiving, when no one receives the bill within five minutes, the cloud server can send the maintenance information to all the maintenance personnel, the maintenance information is retransmitted every ten minutes until the maintenance personnel receive the bill or a maintenance personnel manager makes a response, and after the bill receiving, the maintenance personnel can carry corresponding tools or accessories to a fault location to process faults according to the prompt of the maintenance information;
step eight: after the maintenance personnel finish corresponding fault handling, the display body (1) called outside and the display body (2) in the car can perform self-checking again, corresponding data are transmitted to the elevator control cabinet and then transmitted to the cloud server through the Internet of things equipment, after the fault is removed, the maintenance personnel can summarize the fault handling correspondingly and can store the failure reasons, the handling method, required tools and accessories and the like to the cloud server, elevator companies can analyze elevator performance, and the later maintenance personnel can also refer to the fault removal method.
2. An automatic failure detection elevator display as claimed in claim 1, wherein: the outbound display screen (3) and the display screen (6) in the car both comprise a display floor and an arrow display dot matrix.
3. An automatic failure detection elevator display as claimed in claim 1, wherein: the elevator control cabinet is connected with the Internet of things equipment.
4. An automatic failure detection elevator display as claimed in claim 1, wherein: the Internet of things equipment is connected with the cloud server and can record and store real-time data.
5. An automatic failure detection elevator display as claimed in claim 1, wherein: the Internet of things equipment and the cloud server can push information to maintenance personnel and a computer background.
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| US20210339980A1 (en) * | 2018-09-28 | 2021-11-04 | Inventio Ag | Method and monitoring device for inferring a health status of call devices in an elevator arrangement |
| CN109132737B (en) * | 2018-10-26 | 2021-04-16 | 广州广日电梯工业有限公司 | Detection method and detection device for elevator external call |
| CN109454485A (en) * | 2018-11-13 | 2019-03-12 | 南通利联机床制造有限公司 | A kind of dovetail type milling elongated slot tooling and its on-line monitoring system |
| JP7177487B2 (en) * | 2019-06-04 | 2022-11-24 | 株式会社日立ビルシステム | Display content management device and display content management system |
| CN110371806A (en) * | 2019-06-28 | 2019-10-25 | 平安科技（深圳）有限公司 | Information prompting method, device and terminal device |
| CN111573455A (en) * | 2020-04-01 | 2020-08-25 | 上海新时达电气股份有限公司 | Elevator hall call board setting method, controller and computer readable storage medium |
| CN115504343A (en) * | 2021-06-23 | 2022-12-23 | 奥的斯电梯公司 | Detection device and detection method for elevator display module and elevator system |
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| CN101246659A (en) * | 2007-02-13 | 2008-08-20 | 王雄 | Display screen capable of self-checking trouble point and method thereof |
| JP2010247908A (en) * | 2009-04-10 | 2010-11-04 | Mitsubishi Electric Corp | Call registering device of elevator |
| CN105060055B (en) * | 2015-07-29 | 2019-11-12 | 日立电梯（中国）有限公司 | Elevator button fault detection and processing method |
| CN205555769U (en) * | 2016-04-13 | 2016-09-07 | 尼森科技（湖北）有限公司 | Elevator initiative self -detection device and elevator initiative self -checking system |
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