CN114283730A - Double-screen display system in elevator car - Google Patents
Double-screen display system in elevator car Download PDFInfo
- Publication number
- CN114283730A CN114283730A CN202111649150.1A CN202111649150A CN114283730A CN 114283730 A CN114283730 A CN 114283730A CN 202111649150 A CN202111649150 A CN 202111649150A CN 114283730 A CN114283730 A CN 114283730A
- Authority
- CN
- China
- Prior art keywords
- display
- module
- control module
- display screen
- master control
- 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
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 230000006399 behavior Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The invention relates to a double-screen display system in an elevator car, which comprises a first display screen, a second display screen, a car control panel, a loudspeaker and a control main board, wherein the first display screen is connected with the second display screen; the control main board is provided with 1 display main control module, 1 distribution module and a main control module; the master control module is electrically connected with the display master control module; the distribution module is an LVDS distribution chip, the input end of the distribution module is connected with the display main control module through an LVDS signal line, and 2 output ends are arranged on the distribution module; the car control panel is electrically connected with the master control module; the interface of the first display screen and the interface of the second display screen are both provided with an advertisement display area and a floor information display area, the first display screen is connected with one output end of the distribution module through an LVDS signal line, and the second display screen is connected with the other output end of the distribution module through an LVDS signal line; the loudspeaker is electrically connected with the master control module. The invention has the advantages of good display data synchronization effect, convenient installation and maintenance, lower cost and the like.
Description
Technical Field
The invention relates to the technical field of elevator equipment, in particular to a double-screen display system in an elevator car.
Background
With the development of technology and the demand of market, a set of electronic playing terminal is installed in some large elevator cars, and the electronic playing terminal is provided with two display screens for simultaneously displaying floor information and playing commercial or public service advertisements. The existing electronic playing terminal mostly adopts the design that two control mainboards control two display screens in a one-to-one correspondence manner, a master-slave relationship exists between the two control mainboards, one of the control mainboards is master control, the other control mainboard is slave control, so that the accuracy of data display of the slave control mainboard completely depends on the master control mainboard, and data synchronization is carried out between the two display control panels through serial communication, so that the phenomenon that the display data of the two display screens cannot be synchronized in real time easily occurs; in addition, the existing electronic playing terminal is formed by directly assembling two existing control main boards for single-screen control, so that more circuits are arranged in the electronic playing terminal, the electronic playing terminal is inconvenient to install and maintain, and the cost is higher.
Disclosure of Invention
The invention aims to provide a double-screen display system in an elevator car, which has the advantages of good display data synchronization effect, convenience in installation and maintenance, lower cost and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: a double-screen display system in an elevator car comprises a first display screen, a second display screen, a car control panel, a loudspeaker and a control main board; the control main board is provided with a display main control module, a distribution module and a master control module, and only one display main control module and only one distribution module are arranged on the control main board; the master control module is electrically connected with the display master control module; the distribution module is an LVDS distribution chip, the input end of the distribution module is connected with the display main control module through an LVDS signal line, and 2 output ends are arranged on the distribution module; the car control panel is electrically connected with the master control module; the interfaces of the first display screen and the second display screen are provided with an advertisement display area and a floor information display area, the first display screen is connected with one output end of the distribution module through an LVDS signal line, and the second display screen is connected with the other output end of the distribution module through an LVDS signal line; the loudspeaker is electrically connected with the master control module.
The working principle of the invention is as follows:
the elevator operation control system is matched with the elevator operation control system for use, and the master control module is electrically connected with the elevator operation control system. When the intelligent display device is used, the master control module controls the display master control module to work, the display master control module transmits display data to the distribution module through the LVDS signal lines, the distribution module distributes the received single-path display data signals into multiple paths of display data signals, then the distribution module simultaneously transmits the display data to the first display screen and the second display screen through the LVDS signal lines, so that the interfaces of the first display screen and the second display screen can display advertisement and floor information, the master control module directly plays audio data in the control mainboard through a loudspeaker, correspondingly, a memory electrically connected with the master control module is arranged on the control mainboard, and the memory is used for storing data such as images, audio and video; the general control module can receive a signal that a user operates the car control panel, and then the general control module can control the elevator operation control system and display information and floor information that the user controlled the elevator on the first display screen and the second display screen, so that the use is more convenient, and the floor information is more intuitive. Because the display data of the first display screen and the second display screen are controlled by the same display main control module and are transmitted through the distribution module, and the display main control module, the distribution module and the first display screen and the distribution module and the first display screen are connected through the LVDS signal lines, the data transmission through the LVDS signal lines has the advantages of low power consumption, low error rate, low crosstalk, low radiation and the like, the synchronization effect of the display data of the first display screen and the second display screen is better, and because the display main control module, the distribution module and the master control module are all arranged on the same control mainboard, the internal connecting circuit of the invention is simpler, the installation and maintenance are more convenient, and the cost is lower.
Furthermore, as aforementioned, the double-screen display system in the elevator car further comprises a human body sensor, and the human body sensor is electrically connected with the master control module.
Furthermore, as for the double-screen display system in the elevator car, a timing module is further installed on the control main board, and the timing module is electrically connected with the master control module.
Further, as for the double-screen display system in the elevator car, a floor information storage module is further installed on the control main board, and the floor information storage module is electrically connected with the master control module.
Further, as for the double-screen display system in the elevator car, the control main board is further provided with a communication module, and the communication module is electrically connected with the master control module.
Further, as aforementioned, the double-screen display system in the elevator car further comprises a camera, and the camera is electrically connected with the master control module.
Further, as before, a double-screen display system in elevator car still includes UPS power and power adapter, power adapter's output and control mainboard electric connection, the output of UPS power and power adapter's input electric connection.
The technical scheme of the invention has the following beneficial effects: the invention has the advantages of good display data synchronization effect, convenient installation and maintenance, lower cost and the like.
Drawings
FIG. 1 is a diagram of a hardware connection configuration of an embodiment;
description of reference numerals:
1-a first display screen; 2-a second display screen; 3-controlling the main board; 31-a master control module; 32-display main control module; 33-a distribution module; 34-a timing module; 35-a floor information storage module; 36-a communication module; 37-a memory; 4-car operating panel; 5-a human body sensor; 6-a camera; 7-a loudspeaker; 8-UPS power supply; 9-a power adapter; 10-elevator operation control system.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 shows a double-screen display system in an elevator car of an embodiment, which includes a first display screen 1, a second display screen 2, a car control panel 4, a speaker 7 and a control main board 3; the control main board 3 is provided with a display main control module 32, a distribution module 33 and a master control module 31, and only one display main control module 32 and only one distribution module 33 are arranged on the control main board 3; the master control module 31 is electrically connected with the display master control module 32; the distribution module 33 is an LVDS distribution chip, an input end of the distribution module 33 is connected with the display main control module 32 through an LVDS signal line, and the distribution module 33 is provided with 2 output ends; the car control panel 4 is electrically connected with the master control module 31; the interfaces of the first display screen 1 and the second display screen 2 are both provided with an advertisement display area and a floor information display area, the first display screen 1 is connected with one output end of the distribution module 33 through an LVDS signal line, and the second display screen 2 is connected with the other output end of the distribution module 33 through an LVDS signal line; the loudspeaker 7 is electrically connected with the master control module 31.
The working principle of the invention is as follows:
the elevator operation control system is used in cooperation with the elevator operation control system 10, and the master control module 31 is electrically connected with the elevator operation control system 10. When the intelligent display device is used, the master control module 31 controls the display master control module 32 to work, the display master control module 32 transmits display data to the distribution module 33 through LVDS (low voltage differential signaling) lines, the distribution module 33 distributes the received single-path display data signals into multiple paths of display data signals, then the distribution module 33 simultaneously transmits the display data to the first display screen 1 and the second display screen 2 through the LVDS lines, so that the interfaces of the first display screen 1 and the second display screen 2 can display advertisements and floor information, the master control module 31 directly plays audio data in the control main board 3 through the loudspeaker 7, correspondingly, a memory 37 electrically connected with the master control module 31 is arranged on the control main board 3, and the memory 37 is used for storing data such as images, audio and videos; the general control module 31 can receive the signal that the user operated the panel 4 to the car, and then the general control module 31 of accessible controls elevator operation control system 10 and demonstrates the information and the floor information that the user controlled the elevator on first display screen 1, second display screen 2, and it is more convenient to use like this, and the floor information is more directly perceived. Because the display data of the first display screen 1 and the second display screen 2 are controlled by the same display main control module 32 and transmitted through the distribution module 33, and the display main control module 32 and the distribution module 33, the distribution module 33 and the first display screen 1, and the distribution module 33 and the first display screen 1 are connected through the LVDS signal lines, the data transmission through the LVDS signal lines has the advantages of low power consumption, low error rate, low crosstalk, low radiation, and the like, the synchronization effect of the display data of the first display screen 1 and the second display screen 2 is better, and because the display main control module 32, the distribution module 33, and the total control module 31 are all installed on the same control mainboard 3, the internal connection circuit of the invention is simpler, the installation and maintenance are more convenient, and the cost is lower.
As shown in fig. 1, the dual-screen display system in the elevator car further comprises a human body sensor 5, and the human body sensor 5 is electrically connected with the master control module 31. When passengers exist in the elevator car, the human body sensor 5 is triggered, and the master control module 31 controls the display master control module 32 to normally work, so that the first display screen 1 and the second display screen 2 normally work; when no passenger is in the elevator car and the human body sensor 5 is in a non-triggering state, the master control module 31 controls the display main control module 32 to enter a dormant state, so that the first display screen 1 and the second display screen 2 stop working, electricity is saved, and resource waste is reduced.
As shown in fig. 1, a timing module 34 is further installed on the control main board 3, and the timing module 34 is electrically connected to the main control module 31. The timing module 34 is used for controlling the timing module 34 to start timing by the master control module 31 when the human body sensor 5 is in a non-trigger state; when the timing module 34 reaches the time threshold set in advance, the timing module 34 sends a signal to the master control module 31, and the master control module 31 controls the display master control module 32 to enter the sleep state.
As shown in fig. 1, a floor information storage module 35 is further installed on the control main board 3, and the floor information storage module 35 is electrically connected to the main control module 31. The floor information storage module 35 stores relevant information of merchant enterprises and the like of all floors, so that passengers on different floors are divided into groups in different fields, the master control module 31 controls the display master control module 32 to intelligently select and deliver advertisement information in the relevant fields to the first display screen 1 and the second display screen 2 according to the conditions of the floors, and therefore the delivered advertisement information is more targeted, and the propaganda effect is improved.
As shown in fig. 1, a communication module 36 is further installed on the control main board 3, and the communication module 36 is electrically connected to the main control module 31. The design enables a user to remotely control the master control module 31 through the communication module 36, and the use is more convenient.
As shown in fig. 1, the dual-screen display system in the elevator car further comprises a camera 6, and the camera 6 is electrically connected with the master control module 31. In this way, the general control module 31 can monitor the behavior of passengers in the elevator car and identify the gender and the age group of the passengers according to the pictures provided by the camera 6 to determine the content of the advertisement played. When it is monitored that the passenger has an unlawful behavior or an illegal behavior, the master control module 31 controls the display master control module 32 to put display information for warning into the first display screen 1 and the second display screen 2, and the master control module 31 can also control the elevator operation control system 10 to stop the operation of the elevator according to the behavior of the passenger. Under the condition of no unlawful behaviors, the general control module 31 can identify the gender and the age level of passengers entering the elevator car according to the pictures of the camera 6, so that targeted advertising pictures or videos are played on the first display screen 1 and the second display screen 2, and the advertising effect is improved. In addition, camera 6 is set up in the position that can shoot the picture of first display screen 1 and second display screen 2 simultaneously, and total control module 31 is through carrying out visual identification to this picture in order to judge whether first display screen 1 and second display screen 2 all normally work, if one of first display screen 1 and second display screen 2 is unusual, total control module 31 sends the maintenance suggestion to the remote server through communication module 36.
As shown in fig. 1, the elevator car interior double-screen display system further includes a UPS power supply 8 and a power adapter 9, an output end of the power adapter 9 is electrically connected to the control main board 3, and an output end of the UPS power supply 8 is electrically connected to an input end of the power adapter 9. When the elevator car is in use, the input end of the UPS 8 is connected with the mains supply, and the UPS 8 has the power storage capacity, so that the normal operation of the double-screen display system in the elevator car can be maintained in a short time when the elevator car is powered off; the power adapter 9 can reduce the voltage to 24V and input the voltage into the control motherboard 3 to make it operate normally.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a double screen display system in elevator car which characterized in that: the elevator car control system comprises a first display screen, a second display screen, a car control panel, a loudspeaker and a control main board; the control main board is provided with a display main control module, a distribution module and a master control module, and only one display main control module and only one distribution module are arranged on the control main board; the master control module is electrically connected with the display master control module; the distribution module is an LVDS distribution chip, the input end of the distribution module is connected with the display main control module through an LVDS signal line, and 2 output ends are arranged on the distribution module; the car control panel is electrically connected with the master control module; the interfaces of the first display screen and the second display screen are provided with an advertisement display area and a floor information display area, the first display screen is connected with one output end of the distribution module through an LVDS signal line, and the second display screen is connected with the other output end of the distribution module through an LVDS signal line; the loudspeaker is electrically connected with the master control module.
2. The dual screen display system of claim 1 in an elevator car, wherein: still including human body sensor, human body sensor and the module electric connection of always controlling.
3. The dual screen display system of claim 2 in an elevator car, wherein: and the control mainboard is also provided with a timing module which is electrically connected with the master control module.
4. The dual screen display system of claim 1 in an elevator car, wherein: and the control mainboard is also provided with a floor information storage module which is electrically connected with the master control module.
5. The dual screen display system of claim 1 in an elevator car, wherein: and the control mainboard is also provided with a communication module which is electrically connected with the master control module.
6. The dual screen display system of claim 1 in an elevator car, wherein: the camera is electrically connected with the master control module; the master control module monitors the behavior of passengers in the elevator car according to the pictures provided by the camera and identifies the gender and the age level of the passengers to determine the played content.
7. The dual screen display system of claim 5 in an elevator car, wherein: still include the camera, camera and total control module electric connection, camera are set up the position that can shoot the picture of first display screen and second display screen simultaneously, and total control module is through carrying out visual identification in order to judge whether all normal work of first display screen and second display screen to this picture, if one of first display screen and second display screen is unusual, then total control module sends the maintenance suggestion to remote server through communication module.
8. The dual screen display system of claim 1 in an elevator car, wherein: still include UPS power and power adapter, power adapter's output and control mainboard electric connection, the output of UPS power and power adapter's input electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649150.1A CN114283730A (en) | 2021-12-31 | 2021-12-31 | Double-screen display system in elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649150.1A CN114283730A (en) | 2021-12-31 | 2021-12-31 | Double-screen display system in elevator car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114283730A true CN114283730A (en) | 2022-04-05 |
Family
ID=80878499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111649150.1A Pending CN114283730A (en) | 2021-12-31 | 2021-12-31 | Double-screen display system in elevator car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114283730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115599328A (en) * | 2022-07-26 | 2023-01-13 | 江苏威尔曼科技有限公司（Cn） | Elevator display system of two different display screens based on uniprocessor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618720A (en) * | 1997-03-12 | 2005-05-25 | 卡普提维特网络公司 | Information display system for elevators |
| JP2005338833A (en) * | 2005-05-23 | 2005-12-08 | Mitsubishi Electric Corp | Information display controller |
| US7711565B1 (en) * | 1999-06-10 | 2010-05-04 | Gazdzinski Robert F | “Smart” elevator system and method |
| WO2012059532A1 (en) * | 2010-11-03 | 2012-05-10 | Mirror Image Ag | Display system |
| CN202352289U (en) * | 2011-12-02 | 2012-07-25 | 海龙核材科技（江苏）有限公司 | Multifunctional multimedia device for elevator car |
| CN203225087U (en) * | 2012-02-15 | 2013-10-02 | 上海智显光电科技有限公司 | Display control device provided with LVDS interface |
| CN105355158A (en) * | 2015-11-12 | 2016-02-24 | 日立电梯（中国）有限公司 | Elevator advertisement posting method and system |
| CN107784931A (en) * | 2016-08-31 | 2018-03-09 | 上海阳淳电子股份有限公司 | A kind of intelligent advisement player for reporting function for repairment with remote failure detecting analysis |
| US20180101873A1 (en) * | 2016-10-12 | 2018-04-12 | International Business Machines Corporation | Elevator multimedia information display |
| CN110223627A (en) * | 2019-05-17 | 2019-09-10 | 海纳巨彩(深圳)实业科技有限公司 | A kind of LED outdoor energy-saving screen control system based on big data |
| CN211878451U (en) * | 2020-04-14 | 2020-11-06 | 浙江枫宸光电科技有限公司 | Remote monitoring system for LED display screen |
| JP2021031301A (en) * | 2020-02-25 | 2021-03-01 | ジャパンエレベーターサービスホールディングス株式会社 | Advertisement display device |
-
2021
- 2021-12-31 CN CN202111649150.1A patent/CN114283730A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618720A (en) * | 1997-03-12 | 2005-05-25 | 卡普提维特网络公司 | Information display system for elevators |
| US7711565B1 (en) * | 1999-06-10 | 2010-05-04 | Gazdzinski Robert F | “Smart” elevator system and method |
| JP2005338833A (en) * | 2005-05-23 | 2005-12-08 | Mitsubishi Electric Corp | Information display controller |
| WO2012059532A1 (en) * | 2010-11-03 | 2012-05-10 | Mirror Image Ag | Display system |
| CN202352289U (en) * | 2011-12-02 | 2012-07-25 | 海龙核材科技（江苏）有限公司 | Multifunctional multimedia device for elevator car |
| CN203225087U (en) * | 2012-02-15 | 2013-10-02 | 上海智显光电科技有限公司 | Display control device provided with LVDS interface |
| CN105355158A (en) * | 2015-11-12 | 2016-02-24 | 日立电梯（中国）有限公司 | Elevator advertisement posting method and system |
| CN107784931A (en) * | 2016-08-31 | 2018-03-09 | 上海阳淳电子股份有限公司 | A kind of intelligent advisement player for reporting function for repairment with remote failure detecting analysis |
| US20180101873A1 (en) * | 2016-10-12 | 2018-04-12 | International Business Machines Corporation | Elevator multimedia information display |
| CN110223627A (en) * | 2019-05-17 | 2019-09-10 | 海纳巨彩(深圳)实业科技有限公司 | A kind of LED outdoor energy-saving screen control system based on big data |
| JP2021031301A (en) * | 2020-02-25 | 2021-03-01 | ジャパンエレベーターサービスホールディングス株式会社 | Advertisement display device |
| CN211878451U (en) * | 2020-04-14 | 2020-11-06 | 浙江枫宸光电科技有限公司 | Remote monitoring system for LED display screen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115599328A (en) * | 2022-07-26 | 2023-01-13 | 江苏威尔曼科技有限公司（Cn） | Elevator display system of two different display screens based on uniprocessor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230119574A1 (en) | Multi-interface streaming media system | |
| CN114283730A (en) | Double-screen display system in elevator car | |
| CN102984570A (en) | Method for controlling the display for an item of equipment in standby mode and associated device | |
| CN102646291B (en) | Control box of sentry box at access of residential area or car park | |
| TW501086B (en) | Liquid crystal display panel signal processor | |
| KR101772942B1 (en) | System and method for performing automatic backup controller and route dual display board | |
| CN208538435U (en) | A kind of display device | |
| CN104756508A (en) | Electronic device, charge control method for electronic device, remaining battery amount display method for electronic device, source device and sink device | |
| KR101382423B1 (en) | LED Electric Lighting Board having dual mode | |
| CN114253494A (en) | Large screen display device for train | |
| CN206664471U (en) | A kind of back seat Android TV | |
| KR100761045B1 (en) | Advertisement and emergency guidance system for sub way platform | |
| CN103838696B (en) | Signal multiplex device and method between a kind of plate management and plate | |
| CN111880604A (en) | LED intelligent interactive multimedia all-in-one machine | |
| CN108289184A (en) | Multi-screen electronic bulletin board information issuance system | |
| CN201926853U (en) | DVB-S (digital video broadcasting-satellite) portable projector | |
| CN2632803Y (en) | Liftable elevator with infomation displaying device | |
| CN101226668B (en) | Campus meal charging terminal machine with multimedia play function | |
| CN210692051U (en) | Commercial display | |
| CN216565379U (en) | Double-sided screen television system | |
| CN100501818C (en) | Device for monitoring status of TV set, and computerized control method for TV | |
| CN218958965U (en) | Pluggable OPS host, LED display system and LED display screen | |
| CN220421902U (en) | 8K advertisement machine broadcast box and intelligent advertisement machine | |
| US11315477B2 (en) | Vehicle-mounted display control method, vehicle-mounted control device and vehicle-mounted display assembly | |
| CN201117216Y (en) | Multi-screen electronic bulletin board information issuance system |
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 |