Elevator floor display panel floor address setting system and method
Technical field
The present invention relates to the elevator field, more particularly, relate to a kind of elevator floor display panel floor address setting system and method.
Background technology
Elevator be a kind of be the vertical conveyor of power with the electrical motor, case shape gondola is housed, be used for the manned or carrying goods of tier building.In the modern society, elevator has become indispensable transportation device.The existence of elevator makes that the traffic of skyscraper is more convenient.The information that the Chinese elevator of certificate association provides shows that the whole nation becomes the maximum country of the total recoverable amount of elevator in the world surpassing 1,000,000 with the total recoverable amount of elevator.And, along with Urbanization in China gets into the fast-developing phase, nearly 200,000 newly-increased elevator place in operations all will there be every year.
In the one cover elevator device, floor display panel One's name is legion outside the Room, if it is obviously very loaded down with trivial details to adopt manual mode that the floor address is set, and work capacity is big.In order to realize automation, minority manufacturer has used SPI (Serial Peripheral Ihterface) communication that the mode of floor address is set automatically at present.Yet this mode can only realize in short range, and SPI communication is subject to disturb.
Summary of the invention
The technical matters that the present invention will solve is, to above-mentioned elevator floor display panel problem loaded down with trivial details, that the only suitable short range of communication is set and is subject to disturb automatically is set manually, and a kind of elevator floor display panel floor address setting system and method are provided.
The technical scheme that the present invention solves the problems of the technologies described above is; A kind of elevator floor display panel floor address setting system is provided; Comprise master control board and a plurality of floor display panel; Wherein said master control board comprises storey setting unit, host address output interface and host bus interface, and said floor display panel comprises slave addresses input interface, address setting unit, slave addresses output interface and slave EBI; Said master control board is connected communication bus through host bus interface with the slave EBI respectively with a plurality of floor display panels, and the slave addresses input interface of the host address output interface of said master control board and a plurality of floor display panels, slave addresses output interface are connected in series through the floor A wire in proper order; Said storey setting unit, be used to be provided with said master control board host address output interface and floor display panel the slave addresses output interface output signal and send the storey setting instruction to host bus interface; Said address setting unit is used for when said slave addresses input interface signal is identical with preset signals, according to the storey setting instruction from the slave EBI floor address being set.
In elevator floor display panel floor address setting system of the present invention, said host bus interface and slave EBI are the RS-485 EBI, and said communication bus is the RS-485 communication bus.
In elevator floor display panel floor address setting system of the present invention; The storey setting unit of said master control board sends A wire through communication bus to said floor display panel instruction is set; The address setting unit of said floor display panel also has output function is set, and is used for being provided with according to the A wire from master control board the output signal of the address output interface of this floor display panel of instruction adjustment.
In elevator floor display panel floor address setting system of the present invention; The address setting unit of said floor display panel also has feedback function; Be used for when the floor address setting of said address setting unit is accomplished, sending feedback signal to master control board through said communication bus, said storey setting unit after receiving feedback signal through the send instructions output signal of address output interface of said master control board of adjustment or floor display panel of communication bus.
In elevator floor display panel floor address setting system of the present invention, said feedback signal comprises the floor address information of floor display panel.
The present invention also provides a kind of elevator floor display panel floor address setting method; Being used for through master control board is that a plurality of floor display panels are provided with the floor address; Said master control board and a plurality of floor display panel are connected respectively to communication bus; And said master control board and a plurality of floor display panel are connected in series through the floor A wire in proper order, and this method may further comprise the steps:
Step (a), master control board makes the set of floor display panel and sends the storey setting instruction through communication bus through the floor A wire;
Step (b), said floor display panel are provided with the floor address according to the address setting instruction from communication bus when the set of floor A wire.
In elevator floor display panel floor address setting method of the present invention, said step (a) comprising:
(a1) said master control board sends the A wire set command to the floor display panel that the floor address has been set;
(a2) the said floor display panel adjustment floor A wire output signal that receives the A wire set command makes the floor display panel set that is connected to this floor display panel.
In elevator floor display panel floor address setting method of the present invention; Said method also comprises step (c): when the floor address setting of floor display panel is accomplished, send feedback signal through said communication bus to master control board, said master control board is removed the asserts signal of said floor display panel through the floor A wire after receiving feedback signal.
In elevator floor display panel floor address setting method of the present invention, said feedback signal comprises the floor address information of floor display panel.
In elevator floor display panel floor address setting method of the present invention, said communication bus is the RS-485 communication bus, and said master control board and floor display panel are through the RS-485 protocol communication.
Elevator floor display panel floor address setting system of the present invention and method transmit the storey setting instruction through the floor A wire with the set of floor display panel and through communication bus, thereby the floor address of having realized the floor display panel are provided with automatically.In addition, noise immunity of the present invention is good, and stability is high.
Description of drawings
Fig. 1 is the scheme drawing of elevator floor display panel floor address setting system embodiment of the present invention.
Fig. 2 is the scheme drawing of master control board among Fig. 1.
Fig. 3 is the scheme drawing of floor display panel among Fig. 1
Fig. 4 is the diagram of circuit of elevator floor display panel floor address setting method embodiment of the present invention.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Fig. 1-3, be the scheme drawing of elevator floor display panel floor address setting system embodiment of the present invention.This system comprises master control board 11 and a plurality of floor display panel 12, and wherein master control board 11 is connected respectively to communication bus 13 with a plurality of floor display panels 12, and this master control board 11 and a plurality of floor display panel 12 are through floor A wire 14 order serial connections.Above-mentioned master control board 11 can be arranged in the master control board of electric life controller, also can be control desk independently.12 of floor display panels are positioned at outside the elevator hall of each floor, and it can show floor.
Master control board 11 comprises storey setting unit 112, host address output interface 113 and host bus interface 111.This master control board 11 is connected to communication bus 13 through host bus interface 111, and connects floor A wire 14 through host address output interface 113.Storey setting unit 112 is used to be provided with the output signal of host address output interface 113 and sends the storey setting instruction to host bus interface 111, and host bus interface 111 sends to each floor display panel 12 with this storey setting instruction through communication bus.
Floor display panel 12 comprises slave addresses input interface 122, address setting unit 123, slave addresses output interface 124 and slave EBI 121; Wherein slave EBI 121 connects communication bus 13, and slave addresses input interface 122 is connected respectively to floor A wire 14 with slave addresses output interface 124.In the present embodiment; The host address output interface 113 of master control board 11 is connected to the slave addresses input interface 122 of one of them floor display panel 12 via floor A wire 14; The slave addresses output interface 124 of this floor display panel 12 connects the slave addresses input interface of next floor display panel; And by that analogy, form the order serial connection connection mode of master control board 11 and a plurality of floor display panels 12.When being used for the signal identical with preset signals (for example being low level) at the slave addresses input interface 122 of this floor display panel 12, address setting unit 123, and when the signal different with preset signals (for example being high level) of the slave addresses input interface 122 of this floor display panel 12, do not carry out the floor address setting according to the floor address that this floor display panel 12 is set from the storey setting instruction of slave EBI 121.
Especially; In above-mentioned elevator floor display panel floor address setting system; Can adopt 485 signalling methodss to carry out storey setting instruction transmission, promptly host bus interface 111 is the RS-485 EBI with slave EBI 121, and communication bus 13 is the RS-485 communication bus.485 signalling methodss have good, the stable advantages of higher of noise immunity.
The storey setting unit 112 of above-mentioned master control board 11 also can send A wire to a certain floor display panel 12 through communication bus 14 instruction is set; Correspondingly; The address setting unit of floor display panel 12 also can have output function is set, and is used for being provided with according to the A wire from master control board 11 output signal of the slave addresses output interface 124 of this floor display panel 12 of instruction adjustment.For example when needs carry out the floor address setting for a certain floor display panel 12; Master control board 11 (is the floor display panel that the slave addresses output interface is connected to the slave addresses input interface of this floor display panel to the last floor display panel of this floor display panel 12; And this last floor display panel has carried out the floor address setting); The address setting unit of this last floor display panel is provided with instruction according to the A wire from master control board 11 output signal of its slave addresses output interface is adjusted into preset signals (for example low level), and so correspondingly the floor display panel can carry out the floor address setting.Especially, above-mentioned A wire is provided with the floor address information that instruction comprises last floor display panel.
In addition, above-mentioned floor display panel 12 also has feedback function, is used for when the floor address setting of address setting unit is accomplished, sending feedback signal through communication bus to master control board 11.The output signal of the slave addresses output interface of master control board host address output interface or respective storey display panel is adjusted in the storey setting unit 112 of master control board 11 after receiving above-mentioned feedback signal, make the signal different with preset signals (for example being high level) of the slave addresses input interface of the floor display panel 12 that sends feedback signal.Especially, above-mentioned feedback signal comprises the floor address information of floor display panel.
As shown in Figure 4, be the diagram of circuit of elevator floor display panel floor address setting method embodiment of the present invention.It is that a plurality of floor display panels are provided with the floor address that this method is used for through master control board, and wherein above-mentioned master control board and a plurality of floor display panel are connected respectively to communication bus, and master control board and a plurality of floor display panel are connected in series through floor floor A wire in proper order.This may further comprise the steps:
Step S41: master control board makes the set of floor display panel and sends the storey setting instruction through communication bus through the floor A wire.
Step S42: it (is whether incoming signal is identical with preset signal that the floor display panel judges whether the slave addresses input interface of self is set; Low level for example); If the slave addresses input interface is set; Execution in step S43 then, otherwise continue to judge whether the slave addresses input interface of self is set.
Step S43: the floor display panel is provided with the floor address according to the address setting instruction from communication bus.
In addition; Said method also can comprise: when the floor address setting of floor display panel is accomplished, send feedback signal through communication bus to master control board, master control board sends the floor display panel of feedback signal through the releasing of floor A wire after receiving feedback signal asserts signal.Especially, above-mentioned feedback signal comprises the floor address information of floor display panel.
In above-mentioned elevator floor display panel floor address setting method; When need be when carrying out the floor address setting to the floor display panel that mediates (the floor display panel that does not promptly directly link to each other with master control board) through the floor A wire; Master control board is a floor display panel (the floor address has been set) transmission A wire set command forward earlier; And the floor display panel that receives the A wire set command is adjusted floor A wire output signal; Make the floor display panel set that is connected to this floor display panel, the floor display panel that be set this moment can be provided with the floor address according to the address setting instruction from communication bus.
For example; Supposing the system press master control board, floor display panel 01, floor display panel 02 ..., floor display panel n (wherein n is a positive integer) order connect successively through the floor A wire; Said method is when need not floor is set; Master control board is with high level on the floor A wire of floor display panel, thereby the floor display panel is not accepted the floor address information through communication bus.When needs were provided with floor, master control board was that floor display panel 01 sends a low level instruction through the floor A wire at first, puts low this floor display panel 01 that enables.Floor display panel 01 is provided with the floor address through the floor address information that communication bus receives the master control board transmission.After the floor address setting of floor display panel 01 finishes, feed back to master control board through communication bus accomplishing the information that is provided with.Master control board is drawn high the floor A wire and is removed enabling of floor display panel 01, lets it no longer accept the floor address information through communication bus.Simultaneously master control board sends instructions to floor display panel 01 through communication bus, lets it put through the floor A wire and lowly enables floor display panel 02, makes floor display panel 02 receive the floor address information that master control board sends through communication bus the address is set.After the floor address setting of floor display panel 02 finishes, feed back to master control board again.Master control board sends instructions to floor display panel 01 outside its upper class Room through communication bus; Let it draw high and remove enabling of floor display panel 02 outside the Room through the floor A wire; Send instructions to floor display panel 02 through communication bus again; Let it put and low enable next stage floor display panel 03, make floor display panel 03 receive the floor address information that master control board sends the address is set through communication bus through the floor A wire.By that analogy, accomplish the floor address setting until last piece floor display panel n.
In above-mentioned elevator floor display panel floor address setting method, communication bus is the RS-485 communication bus, and master control board and floor display panel are through the RS-485 protocol communication.
The above; Be merely the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical personnel of being familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.