Elevator floor display panel floor address setting system and method
Technical field
The present invention relates to elevators field, more particularly, relate to a kind of elevator floor display panel floor address setting system and method.
Background technology
The vertical conveyor of elevator to be a kind of with electrical motor be power, is equipped with box like gondola, the manned or carrying goods for tier building.In modern society, elevator has become indispensable transportation device.The existence of elevator makes the traffic of skyscraper more convenient.According to the information displaying that Chinese elevator association provides, the whole nation by the total recoverable amount of elevator more than 1,000,000, become the country that the total recoverable amount of elevator is in the world maximum.And, along with Urbanization in China enters the fast-developing phase, nearly 200,000 newly-increased elevator place in operations all will be had every year.
In a set of elevator device, floor display panel One's name is legion outside the Room, arrange floor address obviously very loaded down with trivial details, and work capacity is large according to manual mode.In order to realize automation, current minority manufacturer employs SPI (SerialPeripheralInterface) and to communicate the mode of Lookup protocol floor address.But which can only realize over short, and SPI communication is easily disturbed.
Summary of the invention
The technical problem to be solved in the present invention is, manually arranges loaded down with trivial details, Lookup protocol communication and is only suitable for short range and the problem be easily disturbed, provide a kind of elevator floor display panel floor address setting system and method for above-mentioned elevator floor display panel.
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 multiple floor display panel, described floor display panel is positioned at outside the elevator hall of each floor, wherein said master control board comprises storey setting unit, host address output interface and host bus interface, and described floor display panel comprises slave addresses input interface, address setting unit, slave addresses output interface and from machine bus interface; Described master control board is connected communication bus respectively by host bus interface with from machine bus interface with multiple floor display panel, and the slave addresses input interface of the host address output interface of described master control board and multiple floor display panel, slave addresses output interface are by floor A wire sequential concatenation; Described storey setting unit, for the slave addresses output interface of host address output interface and floor display panel that described master control board is set output signal and send storey setting instruction to host bus interface; Described address setting unit, for arranging floor address when described slave addresses input interface signal is identical with preset signals according to the storey setting instruction since machine bus interface.
In elevator floor display panel floor address setting system of the present invention, described host bus interface and be RS-485 bus interface from machine bus interface, described communication bus is RS-485 communication bus.
In elevator floor display panel floor address setting system of the present invention, the storey setting unit of described master control board sends A wire by communication bus to described floor display panel and arranges instruction, the address setting unit of described floor display panel also has output and arranges function, for arranging according to the A wire from master control board the output signal that instruction adjusts the address output interface of this floor display panel.
In elevator floor display panel floor address setting system of the present invention, the address setting unit of described floor display panel also has feedback function, for sending feedback signal by described communication bus to master control board when the floor address of described address setting unit is provided with, described storey setting unit is sent instructions by communication bus the output signal of address output interface of the described master control board of adjustment or floor display panel after receiving feedback signal.
In elevator floor display panel floor address setting system of the present invention, described 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, for being that multiple floor display panel arranges floor address by master control board, described master control board and multiple floor display panel are connected respectively to communication bus, and described master control board and multiple floor display panel are by floor A wire sequential concatenation, described floor display panel is positioned at outside the elevator hall of each floor, and the method comprises the following steps:
Step (a), master control board makes the set of floor display panel by floor A wire and sends storey setting instruction by communication bus;
Step (b), described floor display panel arranges instruction when the set of floor A wire according to the address from communication bus and arranges floor address.
In elevator floor display panel floor address setting method of the present invention, described step (a) comprising:
(a1) described master control board sends A wire set command to the floor display panel setting up floor address;
(a2) receive the floor display panel adjustment floor A wire output signal of A wire set command, make the floor display panel set being connected to this floor display panel.
In elevator floor display panel floor address setting method of the present invention, described method also comprises step (c): send feedback signal by described communication bus to master control board when the floor address of floor display panel is provided with, and described master control board removes the asserts signal of described floor display panel after receiving feedback signal by floor A wire.
In elevator floor display panel floor address setting method of the present invention, described feedback signal comprises the floor address information of floor display panel.
In elevator floor display panel floor address setting method of the present invention, described communication bus is RS-485 communication bus, and described master control board and floor display panel are by RS-485 protocol communication.
Elevator floor display panel floor address setting system of the present invention and method, by floor A wire by the set of floor display panel and by the instruction of communication bus transmission storey setting, thus achieve the floor address Lookup protocol of floor display panel.In addition, noise immunity of the present invention is good, and stability is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of elevator floor display panel floor address setting system embodiment of the present invention.
Fig. 2 is the schematic diagram of master control board in Fig. 1.
Fig. 3 is the schematic diagram of floor display panel in Fig. 1.
Fig. 4 is the diagram of circuit of elevator floor display panel floor address setting method embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Figure 1-3, be the schematic diagram of elevator floor display panel floor address setting system embodiment of the present invention.This system comprises master control board 11 and multiple floor display panel 12, and wherein master control board 11 and multiple floor display panel 12 are connected respectively to communication bus 13, and this master control board 11 and multiple floor display panel 12 are by floor A wire 14 sequential concatenation.Above-mentioned master control board 11 can be arranged in the master control board of electric life controller, also can be independently control desk.Floor display panel 12 is 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 by host bus interface 111, and connects floor A wire 14 by host address output interface 113.Storey setting unit 112 is for arranging the output signal of host address output interface 113 and sending storey setting instruction to host bus interface 111, and this storey setting instruction is sent to each floor display panel 12 by communication bus by host bus interface 111.
Floor display panel 12 comprises slave addresses input interface 122, address setting unit 123, slave addresses output interface 124 and from machine bus interface 121, wherein connect communication bus 13 from machine bus interface 121, slave addresses input interface 122 and slave addresses output interface 124 are connected respectively to floor A wire 14.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 sequential concatenation connection mode of master control board 11 and multiple floor display panel 12.The floor address of this floor display panel 12 is set according to the storey setting instruction since machine bus interface 121 time address setting unit 123 identical with preset signals for the signal of the slave addresses input interface 122 at this floor display panel 12 (being such as low level), and does not carry out the setting of floor address when the signal of the slave addresses input interface 122 of this floor display panel 12 different from preset signals (being such as high level).
Especially, in above-mentioned elevator floor display panel floor address setting system, 485 signalling methodss can be adopted to carry out storey setting command, i.e. host bus interface 111 and be RS-485 bus interface from machine bus interface 121, communication bus 13 is RS-485 communication bus.485 signalling methodss have that noise immunity is good, stability advantages of higher.
The storey setting unit 112 of above-mentioned master control board 11 also sends A wire by communication bus 14 to a certain floor display panel 12 and arranges instruction, correspondingly, the address setting unit of floor display panel 12 also can have output and arrange function, for arranging according to the A wire from master control board 11 output signal that instruction adjusts the slave addresses output interface 124 of this floor display panel 12.Such as when needs to a certain floor display panel 12 carry out floor address arrange time, to the last floor display panel of this floor display panel 12, (namely slave addresses output interface is connected to the floor display panel of the slave addresses input interface of this floor display panel to master control board 11, and this last floor display panel carries out the setting of floor address), the address setting unit of this last floor display panel arranges instruction according to the A wire from master control board 11 and the output signal of its slave addresses output interface is adjusted to preset signals (such as low level), so correspondingly floor display panel can carry out the setting of floor address.Especially, address above mentioned line arranges the floor address information that instruction comprises last floor display panel.
In addition, above-mentioned floor display panel 12 also has feedback function, for sending feedback signal by communication bus to master control board 11 when the floor address of address setting unit is provided with.The storey setting unit 112 of master control board 11 adjusts the output signal of the slave addresses output interface of master control board host address output interface or respective storey display panel after receiving above-mentioned feedback signal, makes the signal of the slave addresses input interface of the floor display panel 12 of transmission feedback signal different from preset signals (being such as high level).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 multiple floor display panel arranges floor address that the method is used for by master control board, and wherein above-mentioned master control board and multiple floor display panel are connected respectively to communication bus, and master control board and multiple floor display panel are by floor floor A wire sequential concatenation.This comprises the following steps:
Step S41: master control board makes the set of floor display panel by floor A wire and sends storey setting instruction by communication bus.
Step S42: floor display panel judges whether the slave addresses input interface of self is set, and (namely whether incoming signal is identical with the signal preset, such as low level), if slave addresses input interface is set, then perform step S43, otherwise continue to judge whether the slave addresses input interface of self is set.
Step S43: floor display panel arranges instruction according to the address from communication bus and arranges floor address.
In addition, said method also can comprise: send feedback signal by communication bus to master control board when the floor address of floor display panel is provided with, and master control board removes the asserts signal of the floor display panel sending feedback signal after receiving feedback signal by floor A wire.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 to the floor display panel mediated (namely with master control board not directly by floor display panel that floor A wire is connected) carry out floor address arrange time, master control board is a floor display panel (having set up floor address) transmission A wire set command forward first, and receive the floor display panel adjustment floor A wire output signal of A wire set command, make the floor display panel set being connected to this floor display panel, the floor display panel be now set can arrange instruction and arrange floor address according to the address from communication bus.
Such as, supposing the system press master control board, floor display panel 01, floor display panel 02 ..., floor display panel n (wherein n is positive integer) the floor A wire that sequentially passes through connect successively, said method is when without the need to arranging floor, master control board is by high level in the floor A wire of floor display panel, thus floor display panel does not accept floor address information by communication bus.When needs arrange floor, first master control board is that floor display panel 01 sends a low level instruction by floor A wire, sets low this floor display panel 01 enable.The floor address information that floor display panel 01 receives master control board transmission by communication bus arranges floor address.The floor address of floor display panel 01 after setting completed, feeds back to master control board the information completing setting by communication bus.Floor A wire is drawn high and is removed the enable of floor display panel 01 by master control board, allows it no longer accept floor address information by communication bus.Master control board is sent instructions to floor display panel 01 by communication bus simultaneously, allows it set low enable floor display panel 02 by floor A wire, makes floor display panel 02 receive the floor address information of master control board transmission to arrange address by communication bus.When floor display panel 02 floor address after setting completed, then feed back to master control board.Master control board sends instructions to floor display panel 01 outside its upper class Room by communication bus, allow it be drawn high by floor A wire and remove the enable of floor display panel 02 outside the Room, send instructions to floor display panel 02 by communication bus again, allow it set low enable next stage floor display panel 03 by floor A wire, make floor display panel 03 receive the floor address information of master control board transmission to arrange address by communication bus.By that analogy, until last block floor display panel n completes the setting of floor address.
In above-mentioned elevator floor display panel floor address setting method, communication bus is RS-485 communication bus, and master control board and floor display panel are by RS-485 protocol communication.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change 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.