CN102910509A - Elevator display device and display method thereof - Google Patents

Elevator display device and display method thereof Download PDF

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Publication number
CN102910509A
CN102910509A CN2011102199251A CN201110219925A CN102910509A CN 102910509 A CN102910509 A CN 102910509A CN 2011102199251 A CN2011102199251 A CN 2011102199251A CN 201110219925 A CN201110219925 A CN 201110219925A CN 102910509 A CN102910509 A CN 102910509A
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information
elevator
display
car position
display unit
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CN2011102199251A
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CN102910509B (en
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陈玉东
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Shanghai Mitsubishi Elevator Co Ltd
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Shanghai Mitsubishi Elevator Co Ltd
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Abstract

The invention discloses an elevator display device which comprises one or more display units and a display control unit, wherein each display unit comprises a plurality of sub display areas; the display control unit is used for displaying elevator information in the corresponding sub display area in a linear arrangement mode in the arrangement direction of the sub display areas of the display units, and the display control unit is used for displaying the elevator car position information and the floor information of stopping in no time on two sides of an operation direction sign; and the elevator car position information is positioned on the starting side of the operation direction sign; and the floor information of stopping in no time is positioned on the directing side of the operation direction sign. The elevator display device can display multiple elevator information to passengers at the same time, and the display mode is changed along with the change of the elevator state, so that the contents of the display information are rich, the using ratio of the display areas is high, the display mode is more in line with the thinking habit of people, and the display contents are more accurate and more reliable. The invention also discloses a display method of the elevator display device.

Description

Elevator display apparatus and display method thereof
Technical field
The present invention relates to a kind of elevator display apparatus.The invention still further relates to a kind of display method of elevator display apparatus.
Background technology
Present disclosed elevator technique of display has proposed the display method that multiple elevator carries out position and service direction.
The clear 59-114280 of Japanese Patent Laid-Open discloses a kind of method, be provided with first area and second area in its operation board in lift car, the color of described first area floor numbering changes with the movement of lift car, described second area is provided with the indicator lamp of the triangle arrowhead form of sign lift car lifting direction, this indicator lamp is positioned at the upper and lower position of first area, when elevator rises, lights superposed indicator lamp, when elevator descends, light the indicator lamp that is positioned at the bottom.Be used in the method showing that the second area of lift car lifting direction comprises two sub regions, lay respectively at the upper and lower position of first area, when elevator is done the lifting operation, always have a sub regions to be in idle condition, so there is the low shortcoming of viewing area degree of utilization in the method.
Japanese Patent Laid-Open 2007-8615 discloses a kind of method, it is provided with the floor indicating lamp that shows the current floor position of lift car in elevator cage operating panel, and above floor indicating lamp, be provided with the expression elevator and carry out the turning indicator of service direction, wherein turning indicator of up direction and down direction dual-purpose.The method has overcome the disclosed method of the clear 59-114280 of Japanese Patent Laid-Open viewing area and has utilized low shortcoming, but because its up direction and turning indicator of down direction dual-purpose, and this direction indicator lamp is fixed in the top of floor indicating lamp, therefore when lift car is descending, the phenomenon that turning indicator points to the current floor position of lift car can appear, obviously this does not meet people's general thinking habit, has improved the difficulty of understanding that shows information.
Disclosed method is in the Chinese invention patent application 200910140912.8 (elevator car position read out instrument): current floor position and service direction are arranged above and below, when lift car is up, current floor position demonstration is positioned at the below, and the service direction demonstration is positioned at the top; When lift car was descending, current floor position demonstration was positioned at the top, and the service direction demonstration is positioned at the below.Obviously, the method is exchanged the display position of current floor position and service direction by distinguishing the elevator service direction, so that the initial point of service direction is positioned at current floor position information display area territory all the time, thus customer service the shortcoming of the disclosed method of Japanese Patent Laid-Open 2007-8615.But all there are such weak point in the method and above-mentioned two kinds of methods: the dock floor information that this operation of elevator can not in time be provided to the passenger.In time providing the dock floor information that is about to of elevator to the passenger is to improve an effective way of elevator human nature service, is provided with specially the read out instrument that the purpose floor information is provided to the passenger such as some elevator.
Although present disclosed elevator technique of display has proposed several different methods to the demonstration that elevator carries out position and service direction, rarely have the information correctness of mentioning showing to test.Elevator display apparatus generally is to receive the information that it will show by himself information receiving unit by the order wire that connects elevator display apparatus and elevator control gear.Because information special delivery etc. is former thereby occur when wrong, the passenger can show because of the information of mistake produce panic mood when the elevator information that comes from elevator control gear.
Therefore, need a kind of display mode of exploitation meet passenger's thinking habit, the information content enrich, be convenient to understand, accurately, the failure-free elevator display apparatus, and this elevator display apparatus can provide in time for the passenger, accurately, failure-free elevator car position, service direction and be about to the information such as dock floor and show and serve.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of elevator display apparatus, its display mode meet passenger's thinking habit, the information content enrich, be convenient to understand, accurately, the failure-free elevator display apparatus, thereby can provide in time for the passenger, accurately, failure-free elevator car position, service direction and be about to the information such as dock floor and show and serve.
For solving the problems of the technologies described above, the technical solution of elevator display apparatus of the present invention is:
Comprise one or more display units, be arranged in stop and/or the car, be used for showing elevator car position, service direction and be about to dock floor information; Indicative control unit is used for control elevator car position, service direction and is about to the display mode of dock floor information on display unit; Indicative control unit is connected by signal transmssion line with display unit; Described display unit comprises a plurality of sub-viewing areas, and arrange along level or vertical direction a plurality of sub-viewing areas; The quantity of described sub-viewing area is decided according to elevator information quantity to display by described indicative control unit; Described indicative control unit reaches elevator car position, service direction soon, and dock floor information is presented in the corresponding sub-viewing area with the sub-viewing area orientation of straight-though arrangement mode along described display unit; Described indicative control unit is with elevator car position information and be about to the both sides that dock floor information is presented at the service direction sign, elevator car position information is positioned at the origination side that traffic direction sign is known, and is about to dock floor information and is positioned at the sensing side that traffic direction sign is known.
Further, comprise that also information receives and transmitting element, be used for carrying out between described elevator display apparatus and its information generator information and receive and send; Be connected by signal transmssion line between information reception and transmitting element and the indicative control unit; Information process unit is for the information that receives being carried out verification and/or the communications status between elevator display apparatus and its information generator being detected; Information process unit and information receive with transmitting element between be connected by signal transmssion line; Described elevator display apparatus possess to received elevator information carry out verification and/or detect it and information generator between the function of communications status.
Described display unit is one or more in Liquid Crystal Display, plasma display, LED, the Braum tube.
The present invention also provides a kind of display method of elevator display apparatus, and its technical solution is:
The display mode of each sub-viewing area of described indicative control unit control display unit, each sub-viewing area of display unit show that display mode that described elevator information adopts changes with the variation of elevator operation.
When elevator information when described display unit along continuous straight runs shows, described display unit shows successively from left to right elevator car position information, service direction sign and is about to dock floor information.
When elevator information when described display unit vertically shows, if lift car is up, then described display unit shows successively from bottom to up elevator car position information, service direction sign and is about to dock floor information, if lift car is descending, then described display unit shows successively from top to bottom elevator car position information, service direction sign and is about to dock floor information.
The beneficial effect that the present invention can reach is:
1) shows that the information content is abundant;
2) the viewing area degree of utilization is high;
3) the car direction demonstration is pointed to by the car current location all the time and is about to dock floor, and display mode meets people's thinking habit more;
4) by to will displaying contents carrying out verification and/or the detection of communications status between elevator display apparatus and its information generator being improved accuracy and the reliability of displaying contents.
The difference of elevator display apparatus of the present invention and prior art (mainly in a few days this patent JP 59-114280, Japanese Patent Laid-Open 2007-8615 and Chinese invention patent application 200910140912.8 disclosed methods) is:
1) comprises three sub-viewing areas;
2) increased elevator parking information and shown, demonstration information is abundanter;
3) service direction shows and to be positioned at all the time zone line, car position and be about to stop information and be positioned at all the time two side areas;
4) the cage operation direction signs are pointed to by the car current location all the time and are about to dock floor, and display mode meets people's thinking habit more;
5) there is not idle condition in subregion, and the viewing area degree of utilization is high;
6) can be to carrying out verification by displaying contents;
7) can detect communications status between elevator display apparatus and its information generator
8) accuracy of displaying contents and reliability are higher.
Need to prove: in Chinese invention patent application 200910140912.8, although its claim part and the specific embodiment are not all mentioned the demonstration to the elevator parking floor information, in the bottom of the display frame of its Fig. 2 and example shown in Figure 3 with single file and be far smaller than that service direction identifies and the font of car position information has shown the elevator parking floor information.Yet there is following shortcoming in this elevator parking floor information display mode:
1) display font is too small, brings puzzlement and inconvenience in the use can for the passenger have defective vision;
2) be positioned at all the time the bottom of display unit, when ascending for elevator, elevator service direction sign is pointed to the direction that shows away from the elevator parking floor information, and this does not obviously meet the thinking habit (elevator should from current location drive towards its dock floor) of people when taking elevator.
Elevator display apparatus of the present invention is about to dock floor because the cage operation direction signs are pointed to by the car current location all the time, overcome the above-mentioned shortcoming of Chinese invention patent application 200910140912.8, obviously its display mode meets people's thinking habit more.
In sum, the present invention can show elevator car position, service direction and dock floor information to the passenger simultaneously, and display mode changes with the variation of state of elevator, therefore show not only that the information content is abundant, the viewing area degree of utilization is high, and thinking habit, displaying contents that display mode meets people more are more accurately and reliable.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and the specific embodiment:
Fig. 1, Fig. 2 and Fig. 3 are the displaying contents schematic diagrams of the display unit among the embodiment one of elevator display apparatus of the present invention;
Fig. 4 is the indicative flowchart of the embodiment two of elevator display apparatus of the present invention.
Nomenclature among the figure:
1 is elevator car position information, and 2 is service direction information,
3 for being about to dock floor information, and 4 and 5 is out of Memory.
The specific embodiment
Elevator display apparatus of the present invention comprises one or more display units, and this display unit is made of read out instruments such as Liquid Crystal Display, plasma display, LED, Braum tubes.For the elevator display apparatus of reality, its elevator information to display often is not limited to the displaying contents among the present invention---and elevator car position, service direction reach the dock floor information that is about to, also can comprise other such as relevant informations such as elevator operation modes, the zone that be used for to show elevator car position, service direction this moment and be about to dock floor information is the part zone of elevator display apparatus often.For ease of narration, in follow-up explanation, be whole or its part of actual elevator display unit for the display unit among the present invention, all be referred to as without distinction display unit.
Embodiment one
The first embodiment of elevator display apparatus of the present invention is by being arranged in stop and/or the car, being used for demonstration elevator car position, service direction and being about to one or more display units of the elevator informations such as dock floor information and reaching the indicative control unit that is about to the display mode of dock floor information on display unit for control elevator car position, service direction forming; Display unit is connected by signal transmssion line with indicative control unit.
Shown in Fig. 1~2, display unit elevator information to display is elevator car position, service direction and is about to dock floor information, therefore need to the viewing area of affiliated display unit along a direction, be divided into three sub-viewing areas such as horizontal direction or vertical direction.Indicative control unit reaches elevator car position, service direction soon, and dock floor information is presented in the corresponding sub-viewing area with the sub-viewing area orientation of straight-though arrangement mode along display unit, and indicative control unit is all the time with elevator car position information be about to the both sides that dock floor information is presented at the service direction sign, elevator car position information is positioned at the origination side that traffic direction sign is known, and is about to dock floor information and is positioned at the sensing side that traffic direction sign is known.
When elevator information when the display unit along continuous straight runs shows, display unit shows successively from left to right elevator car position information, service direction sign and is about to dock floor information.
When elevator information when display unit vertically shows,
If the √ lift car is up, then display unit shows successively from bottom to up elevator car position information, service direction sign and is about to dock floor information;
If the √ lift car is descending, then display unit shows successively from top to bottom elevator car position information, service direction sign and is about to dock floor information.
Display unit shows that display mode that described elevator information (comprise elevator car position, service direction and be about to dock floor information) adopts changes with the variation of elevator operation.
According to the operation characteristic of elevator, its running state is divided into following several stage:
Stage 1, from elevator finish close the door begin to start till the certain hour after start;
Stage 2, from the certain hour after elevator starts (being the finish time in stage 1) till the purpose floor of lift car near this operation;
Stage 3, from lift car near the purpose floor of this operation till the elevator car arrives purpose floor;
Stage 4, from elevator car arrives purpose floor to finish open the door the action till;
Stage 5, from elevator finish open the door the action to elevator begin to close the door the action till;
Stage 6, from elevator begin to close the door the action finish the action of closing the door and begin to start to elevator till.
Corresponding to the above-mentioned different stage, the residing state of elevator is corresponding difference also, described indicative control unit is then according to the residing different conditions of elevator, it is the different stages, with elevator car position information, service direction information be about to one or more being presented on the described display unit in the dock floor information, specific as follows with different display modes:
In stage 1, described indicative control unit shows elevator car position information, service direction information and be about to dock floor information, and elevator car position information and the soon demonstration of dock floor information adopt static mode to keep intact, or the brightness that only shows by reducing elevator car position information, or change its Show Color and weight thereof, size, font, the modes such as the background color of viewing area and frame represent to sail out of this floor, service direction information is (in the present embodiment, service direction information is shown as service direction sign) demonstration then adopt dynamical fashion, such as the flickering display mode, represent that with this elevator starts, to leave current floor position, go to the floor that is about to stop;
In stage 2, described indicative control unit shows elevator car position information, service direction information and is about to dock floor information, and static mode is adopted in elevator car position information and the soon demonstration of dock floor information, service direction information is (in the present embodiment, dynamical fashion is adopted in the demonstration of service direction information, as scroll mode, represent that with this elevator is driving towards in the way that is about to dock floor;
In stage 3, described indicative control unit shows elevator car position information, service direction information and is about to dock floor information, and static mode is adopted in the demonstration of elevator car position information and service direction information, dynamical fashion is adopted in the demonstration that is about to dock floor information, such as flashing mode, represent that with this elevator is about to rest in this floor position;
In stage 4, described indicative control unit is the sub-viewing area demonstration elevator car position information of corresponding elevator car position information on display unit only, state is extinguished in former corresponding service direction information and the soon viewing area maintenance of dock floor information, or show such as informations such as " elevator are about to open the door ", as shown in Figure 3;
In stage 5, described indicative control unit is the sub-viewing area demonstration elevator car position information of corresponding elevator car position information on display unit only, state is extinguished in former corresponding service direction information and the soon viewing area maintenance of dock floor information, or shows such as informations such as " in the door-opened elevators ";
In stage 6, described indicative control unit is the sub-viewing area demonstration elevator car position information of corresponding elevator car position information on display unit only, state is extinguished in former corresponding service direction information and the soon viewing area maintenance of dock floor information, or shows such as informations such as " elevator are about to close the door ".
Perhaps, in above-mentioned all stages, all elevator informations that demonstrate all are presented on the display unit with static mode.
Described static mode refers to that elevator speed and/or acceleration information are remaining unchanged aspect font, font size, color or its weight, brightness and the viewing area background color, and described dynamical fashion refers to aspect one or more in font, font size, color and weight thereof, brightness, flicker and viewing area (referring to background color and frame) of elevator speed and/or acceleration information variable.
Quantity and the size of the sub-viewing area that indicative control unit of the present invention can be divided out to display unit according to the difference of the content quantity of shown elevator information and required viewing area size thereof are suitably adjusted.As in the above-mentioned stage 3, if adopt the demonstration dwindle elevator car position information and service direction information, amplify when being about to mode that dock floor information shows and give prominence to elevator and being about to rest in this floor position, can suitably compress for the sub-viewing area that shows elevator car position information and service direction information, enlarge and be used for showing the sub-viewing area that is about to the demonstration of dock floor information.
Embodiment two
The second embodiment of elevator display apparatus of the present invention is by being arranged in stop and/or the car, be used for showing elevator car position, service direction reaches the one or more display units that are about to the elevator informations such as dock floor information, be used for controlling the indicative control unit of the display mode of described elevator operation information on display unit, being used between elevator information display device and its information generator information of carrying out receives with the information reception that sends and transmitting element and for the information process unit composition that the information that receives is carried out verification and/or the communications status between elevator information display device and its information generator is detected.
Among the present invention, described information generator refers to control the elevator control gear of elevator operation and/or is independent of other controller that has elevator car position information, service direction sign and be about to dock floor information of described elevator control gear.
Elevator display apparatus working process of the present invention is as shown in Figure 4, and is specific as follows:
Step 1: elevator display apparatus detects the communications status between itself and information generator, when detecting when unusual, generate corresponding abnormal information, and receive with transmitting element by described information abnormal information is sent to the corresponding information source, or further be presented on the described display unit, otherwise change step 2 over to;
Step 2: elevator display apparatus receives with transmitting element by described information and receives the elevator relevant information from its information generator, elevator car position information, the service direction information that shows such as needs and be about to dock floor information, and other relevant informations such as switch gate state of elevator;
Step 3: relatively to the conformability from other related information content such as switch gate state of elevator car position information, service direction information and stop information and the elevator of different aforementioned sources, when existing the information content inconsistent, then generate corresponding abnormal information, and receive with transmitting element by described information abnormal information is sent to the corresponding information source, or further be presented on the described display unit, otherwise change step 4 over to;
Step 4: required displaying contents is presented on the described display unit in a certain way.
Among the present invention, described elevator display apparatus is as follows for the method for inspection of the communications status between itself and information generator:
Described elevator display apparatus receives with transmitting element by described information and periodically sends the state confirmation request signal that is different from described elevator information to information generator, and confirms communications status between elevator display apparatus and the information generator according to the information that information generator feeds back.
Among the present invention, described elevator display apparatus is as follows for the consistency detecting method from the elevator information content of different aforementioned sources:
When described information generator quantity n 〉=1, described information process unit carries out consistency check to other related information content such as switch gate state from elevator car position information, service direction information and stop information and the elevator of different aforementioned sources, if the information content is in full accord, judge that then the elevator information content is accurate; Otherwise it is unusual to judge that the elevator information content exists.

Claims (6)

1. an elevator display apparatus comprises
One or more display units are arranged in stop and/or the car, are used for showing elevator car position, service direction and are about to dock floor information;
Indicative control unit is used for control elevator car position, service direction and is about to the display mode of dock floor information on display unit;
Indicative control unit is connected by signal transmssion line with display unit;
It is characterized in that,
Described display unit comprises a plurality of sub-viewing areas, and arrange along level or vertical direction a plurality of sub-viewing areas; The quantity of described sub-viewing area is decided according to elevator information quantity to display by described indicative control unit;
Described indicative control unit reaches elevator car position, service direction soon, and dock floor information is presented in the corresponding sub-viewing area with the sub-viewing area orientation of straight-though arrangement mode along described display unit;
Described indicative control unit is with elevator car position information and be about to the both sides that dock floor information is presented at the service direction sign, elevator car position information is positioned at the origination side that traffic direction sign is known, and is about to dock floor information and is positioned at the sensing side that traffic direction sign is known.
2. elevator display apparatus according to claim 1 is characterized in that, also comprises
Information receives and transmitting element, is used for carrying out between described elevator display apparatus and its information generator information and receives and send; Be connected by signal transmssion line between information reception and transmitting element and the indicative control unit;
Information process unit is for the information that receives being carried out verification and/or the communications status between elevator display apparatus and its information generator being detected; Information process unit and information receive with transmitting element between be connected by signal transmssion line;
Described elevator display apparatus possess to received elevator information carry out verification and/or detect it and information generator between the function of communications status.
3. elevator display apparatus according to claim 1 and 2 is characterized in that, described display unit is one or more in Liquid Crystal Display, plasma display, LED, the Braum tube.
4. the display method of a claim 1 or 2 described elevator display apparatus, it is characterized in that, the display mode of each sub-viewing area of described indicative control unit control display unit, each sub-viewing area of display unit show that display mode that described elevator information adopts changes with the variation of elevator operation.
5. the display method of elevator display apparatus according to claim 4, it is characterized in that, when elevator information when described display unit along continuous straight runs shows, described display unit shows successively from left to right elevator car position information, service direction sign and is about to dock floor information.
6. the display method of elevator display apparatus according to claim 4, it is characterized in that, when elevator information when described display unit vertically shows, if lift car is up, then described display unit shows successively from bottom to up elevator car position information, service direction sign and is about to dock floor information, if lift car is descending, then described display unit shows successively from top to bottom elevator car position information, service direction sign and is about to dock floor information.
CN201110219925.1A 2011-08-02 2011-08-02 Elevator display device and display method thereof Active CN102910509B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110683439A (en) * 2018-07-04 2020-01-14 东芝电梯株式会社 Elevator system
CN111606160A (en) * 2020-05-26 2020-09-01 上海三菱电梯有限公司 Elevator display system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88101086A (en) * 1987-02-28 1988-10-26 株式会社日立制作所 Information device of elevator
EP0839750A2 (en) * 1996-11-04 1998-05-06 Otis Elevator Company Method for level monitoring with improved accuracy of an elevator car
CN101573282A (en) * 2007-03-26 2009-11-04 三菱电机株式会社 Elevator apparatus
CN101687608A (en) * 2007-08-28 2010-03-31 三菱电机株式会社 Indication unit of elevator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN88101086A (en) * 1987-02-28 1988-10-26 株式会社日立制作所 Information device of elevator
EP0839750A2 (en) * 1996-11-04 1998-05-06 Otis Elevator Company Method for level monitoring with improved accuracy of an elevator car
CN101573282A (en) * 2007-03-26 2009-11-04 三菱电机株式会社 Elevator apparatus
CN101687608A (en) * 2007-08-28 2010-03-31 三菱电机株式会社 Indication unit of elevator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110683439A (en) * 2018-07-04 2020-01-14 东芝电梯株式会社 Elevator system
CN111606160A (en) * 2020-05-26 2020-09-01 上海三菱电梯有限公司 Elevator display system
CN111606160B (en) * 2020-05-26 2022-06-21 上海三菱电梯有限公司 Elevator display system

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