CN201151593Y

CN201151593Y - Control and display apparatus for outer call of elevator

Info

Publication number: CN201151593Y
Application number: CNU2007200994351U
Authority: CN
Inventors: 范世桐
Original assignee: TIANJIN QIAOFENG ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: Tianjin Qiaofeng Electromechanical Technology Development Co., Ltd.
Priority date: 2007-12-28
Filing date: 2007-12-28
Publication date: 2008-11-19
Anticipated expiration: 2017-12-28

Abstract

The utility model relates to an elevator control display device. The external call elevator control display device includes a micro processor module, a serial interface module, a power conversion module and an application control module; the micro processor module is used to store and execute control programs; the serial interface module is used to convert the differential signal into the standard level signal; the power conversion module is used to supply power to a display; the application control module is used to process and display the different application operation of the user to the elevator. The elevator control display device has simple appearance and structure, little filed wiring, and can prevent faults produced by wire loosening and falling off or error wiring.

Description

Outgoing call elevator control read out instrument

Technical field

The utility model relates to a kind of elevator control read out instrument, particularly relates to a kind of elevator lobby and exhales employed control read out instrument in the ladder (being outgoing call).

Background technology

In the prior art, the outgoing call of elevator control read out instrument adopts separating component to connect to form, and comprising: two remote controllers and three independent device of floor indicator, form by aerial lug.

There is following defective in the device of realizing this structure:

1. the line complexity between each parts makes whole apparatus structure loose huge;

2. because the volume of device is big, need take excessive installing space;

3. because field wiring quantity is too much, is easy to wrong line or wiring and pitches, thereby cause line short or open circuit;

4. plant energy consumption is big, and service life is short.

The utility model content

The purpose of this utility model is to overcome the defective of prior art, provides a kind of more compact elevator to control the core of read out instrument as control system.Two remote controllers and the floor indicator three that separate in the original elevator outgoing call control read out instrument are partially integrated on the circuit card, and realize this ditch that installs each parts passed to by this kernel control module of microcontroller and replace original aerial lug.

The purpose of this utility model is achieved in that

Outgoing call elevator control read out instrument comprises: microprocessor module is used for storage and executive control program; Serial interface module is used for converting differential signal to the fiduciary level signal; The power conversion module is used to telltale that power supply is provided; And the application controls module, be used to handle the different application operation of elevator being sent with explicit user.

Microprocessor module in this system is with the power conversion module, serial interface module and application controls module couple together, the external power supply that is provided by the elevator(lift) machine room control housing outputs to the microprocessor module first input end through the power conversion module, link to each other with microprocessor second input end by serial interface module simultaneously, finish outward sign conversion and with the I/O of microprocessor module, the mouth of microprocessor module links to each other with the application controls module, at last, finish various control Presentation Functions by the application controls module to elevator, wherein, microprocessor module is carried out following steps:

The command information that the elevator(lift) machine room controller sends through serial interface module to microprocessor module;

Microprocessor module receives the command information from the elevator(lift) machine room controller;

Select to carry out different application controls operations according to the user, and shown.

Described microprocessor module comprises central processing unit, clock generator, program store, data memory and input/output interface.

Described application controls module comprises direction indicating module, floor display module, button indicating module and address setting module.

Described serial interface module converts two paths of differential signals to cooresponding two-way level signal by two voltage comparators, differential signal is converted to the level signal of standard.

Described power conversion module with the direct current 30V power supply of outside input through twice step-down after, be transformed into the direct current 5V power supply of standard.

Described direction indicating module is used to show service direction, the overload indication of elevator and stops the ladder indication that its indicator lamp adopts high brightness with the LED luminotron of ULN2003 as actuator.

It is two " rice font " LED charactrons of actuator that described floor display module adopts with four serial-parallel converter 74LS164.

Described button indicating module is used for the input of calling signal and state indication, its display lamp with four transistors as the driving of exhaling the scalariform attitude to indicate.

Described address setting module is used for the bus address of this system, utilizes 6 toggle switch, and its effective address scope is 4-63 totally 60 addresses.

Compared with prior art, the utility model contour structures is simple, and field wiring is few, can avoid because the fault that loose ends goes offline or the wrong line is caused; And this device volume is little, less than prior art 1/3rd, it is little to take installing space, processing and construction cost are cheap, luminous indication material adopts the high-brightness LED element, and energy consumption is low, long service life, and can be by changing the function that the microcontroller internal processes changes or expand telltale easily, the redevelopment space is big.

Description of drawings

Fig. 1 is the utility model control circuit block scheme.

Fig. 2 is the submodule block scheme of the utility model micro controller module;

Fig. 3 is the circuit connection diagram of the utility model serial interface module;

Fig. 4 is the circuit connection diagram of the utility model power conversion module;

Fig. 5 is the circuit connection diagram of the utility model direction indicating module;

Fig. 6 is the circuit connection diagram of the utility model floor display module;

Fig. 7 is the circuit connection diagram of the utility model floor button indicating module;

Fig. 8 is the outside scheme drawing of the utility model elevator control display system;

The control scheme drawing of operational instances when Fig. 9 exhales ladder for the utility model passenger.

The specific embodiment

Below in conjunction with accompanying drawing, further specify the technical solution of the utility model:

Embodiment 1

As shown in Figure 1, the control circuit of outgoing call elevator control display system of the present utility model is a core with the microprocessor, and it comprises microprocessor control module 11, is used for storage and executive control program; Serial interface module 12 is used for the level signal of standard that differential signal is converted to; Power conversion module 13 is used to telltale that power supply is provided; Application controls module 14, be used to handle the different application operation of elevator being sent with explicit user, comprise that direction indication, floor show, floor button is indicated and address setting, comprise various submodules in the application controls module 14, for example direction indicating module 15, floor display module 16, floor button indicating module 17 and address setting module 18.Microprocessor module provided by the utility model couples together power conversion module 13, serial interface module 12 and application controls module 14, and operate control, external power supply outputs to the first input end of microprocessor module through the power conversion module, link to each other with second input end of microprocessor by serial interface module simultaneously, finish outward sign conversion and with the I/O of microprocessor module, the mouth of microprocessor module links to each other with the application controls module, at last, finish various application and control by the application controls module to elevator.

Embodiment 2

As shown in Figure 2, submodule block scheme for micro controller module of the present utility model, it comprises central processing unit 21, clock generator 22, program store 23, data memory 24 and input/output interface 25, these submodules in the microprocessor module all are in order to finish storage and the executive control program that microprocessor itself will be finished, and need to carry out following steps in this module:

1) command information that sends of elevator(lift) machine room controller through serial interface module to microprocessor module;

2) microprocessor module receives the command information from the elevator(lift) machine room controller;

3) select to carry out different application controls operations according to the user, and shown.

Embodiment 3

As shown in Figure 3, the circuit connection diagram of the utility model serial interface module, because the serial signal that electric life controller sends is the differential mode transmission, and microcontroller can only acceptance criteria level signal, therefore differential signal need be converted to the level signal of standard, the design of serial interface module is exactly in order to realize the serial signal translation function, in serial interface module circuit connection diagram, convert two paths of differential signals to cooresponding two-way level signal by two voltage comparators.

Embodiment 4

As shown in Figure 4, be the circuit connection diagram of the utility model power conversion module, the direct current 30V power supply of outside input is transformed into the direct current 5V power supply of standard through twice step-down.

Embodiment 5: the user that the application controls module need be handled is operating as direction indication operation.

As shown in Figure 5, be the circuit connection diagram of the utility model direction indicating module, this module is used to show service direction, the overload indication of elevator and stops ladder indication etc.Its indicator lamp adopts with the high-brightness LED luminotron of ULN2003 as actuator.

Embodiment 6: the user that the application controls module need be handled is operating as the floor display operation.

As shown in Figure 6, be the circuit connection diagram of the utility model floor display module, the LED charactron is as floor indicator to adopt two " rice fonts ", and actuator has used four serial-parallel converter 74LS164.

Embodiment 7: the user that the application controls module need be handled is operating as the floor display operation.

As shown in Figure 7, be the circuit connection diagram of the utility model floor button indicating module, button indicating module function: the input of calling signal and state indication.This module has adopted four transistors as the driving of exhaling the indication of scalariform attitude.

Embodiment 8: the user that the application controls module need be handled is operating as the address setting operation.

The function of address setting module is the bus address that three-in-one telltale is set.Binary coding method is adopted in address in the utility model, by 6 toggle switch, the bus address of three-in-one telltale is set, and the actv. address realm is that 4-63 amounts to 60 addresses.

Embodiment 9: the passenger exhales terraced example, and the application controls module in this example comprises four kinds of operations in the foregoing description 5 ~ 8.

As shown in Figure 8, be the outside scheme drawing of elevator control display system of the present utility model, wherein, floor shows employing one or two M shape LED charactrons; The direction indication adopts a plurality of LED luminotrons to be combined into arrowhead form; Fully loaded indication adopts a plurality of LED luminotrons to be combined into horizontal stripe shape; Stopping indication adopting a plurality of LED luminotrons to be combined into horizontal stripe shape.

As shown in Figure 9, the control scheme drawing of various operations when passenger of the present utility model exhales ladder, in this example, the elevator(lift) machine room controller is connected with 24 floor indicators by communication bus, and the address of telltale is set to respectively: 04-27.Wherein, 24 floor indicators simultaneously, the floor that shows the elevator place respectively, the indication of states such as service direction: the passenger is after pressing the hall buttons in hall, place on the panel of elevator control display system shown in Figure 8, received this serial operation signal by the elevator(lift) machine room control housing, and with after this serial signal process conversion of serial interface module, deliver to microprocessor module, microprocessor module is being provided by the elevator(lift) machine room control housing, and under the suitable power source of power transfer module conversion, finish control and data storage to user's operation, treating process in the present embodiment is: elevator can drive towards exhales terraced floor, after terraced floor is exhaled in arrival, Elevator landing opens the door, the passenger enters lift car, select the floor button of going, elevator drives towards the purpose floor.

Claims

1. the outgoing call elevator is controlled read out instrument, comprising:

Microprocessor module is used for storage and executive control program;

Serial interface module is used for converting differential signal to the fiduciary level signal;

The power conversion module is used to telltale that power supply is provided; And

The application controls module is used to handle the different application operation of elevator being sent with explicit user.

2. outgoing call elevator control read out instrument according to claim 1, it is characterized in that: described microprocessor module couples together external control path and application controls module, external power supply outputs to the microprocessor module first input end through the power conversion module, link to each other with microprocessor second input end by serial interface module simultaneously, finish outward sign conversion and with the I/O of microprocessor module, the mouth of microprocessor module links to each other with the application controls module.

3. outgoing call elevator control read out instrument according to claim 1, it is characterized in that: described microprocessor module comprises central processing unit, clock generator, program store, data memory and input/output interface.

4. outgoing call elevator control read out instrument according to claim 1, it is characterized in that: described application controls module comprises direction indicating module, floor display module, button indicating module and address setting module.

5. outgoing call elevator control read out instrument as claimed in claim 4, it is characterized in that, described direction indicating module is used to show service direction, the overload indication of elevator and stops the ladder indication that its indicator lamp adopts high brightness with the LED luminotron of ULN2003 as actuator.

6. outgoing call elevator control read out instrument as claimed in claim 4 is characterized in that, it is two " rice font " LED charactrons of actuator that described floor display module adopts with four serial-parallel converter 74LS164.

7. outgoing call elevator as claimed in claim 4 control read out instrument is characterized in that, described button indicating module is used for the input and state indication of calling signal, its display lamp with four transistors as the driving of exhaling the scalariform attitude to indicate.

8. outgoing call elevator control read out instrument as claimed in claim 4 is characterized in that described address setting module is used for the bus address of this device, utilizes 6 toggle switch, and its effective address scope is 4-63 totally 60 addresses.