CN201473130U

CN201473130U - Elevator liquid crystal display supporting USB downloading

Info

Publication number: CN201473130U
Application number: CN2009202086622U
Authority: CN
Inventors: 胡子凤
Original assignee: Shanghai BST Electric Co Ltd
Current assignee: Shanghai BST Electric Co Ltd
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-05-19
Anticipated expiration: 2019-08-31

Abstract

The utility model discloses an elevator liquid crystal display supporting USB downloading, which is formed by a circuit board, a liquid crystal display and a loudspeaker. The display additionally comprises an FLASH memory. A central core part MCU chip, a USB interface, an RJ45 data line interface, a 32-bit parallel bus interface, a CAN interface, a liquid crystal display interface and an IIS interface are arranged on the circuit board. The utility model effectively solves the trouble in information and data installation in the existing elevator liquid crystal display and the problem that additional information is required to be installed to satisfy the needs of different people, and can provide more auxiliary functions when in use under that assistance of other interfaces.

Description

The elevator liquid crystal display apparatus that a kind of USB of support downloads

Technical field:

The utility model relates to a kind of instrument that is used for the elevator field, is specifically related to the elevator liquid crystal display apparatus that a kind of USB of support downloads.

Background technology:

Along with more and more internationalizing and the floor particularization in the city, the variation that elevator shows has proposed more and more higher requirement to elevator company.It is elevator company can't control all information setting fully one by one in advance to elevator in that a lot of fonts and figure are wherein arranged.

Display panel in the elevator all adopts traditional display panel at present, promptly the information that will show sets in advance in the controller of elevator, this just require apparatus for controlling elevator in advance with the information setting that might occur to wherein, this just makes electric life controller need pre-deposit a large amount of information, this has strengthened the difficulty of elevator control greatly, particularly export to external elevator, if do not set in advance, this just needs elevator supplier to send the professional to go the field modification, has increased extra maintenance cost of elevator company so again.

For this reason, we need present elevator display instrument that a kind of changing mode very easily can be arranged, and the utility model just can solve above-mentioned trouble.

The utility model content:

The utility model is at the elevator display instrument in the present use, there is not internal information changing mode easily, often need bulky information in advance, satisfy different clients' demand, so that increase the difficulty of elevator control, and, when built-in information is improved inadequately, need a series of problems such as the special messenger changes again, carried out rational improvement, thereby reach cost-cutting and the high purpose of usability.

In order to achieve the above object, the utility model adopts following technical scheme to realize:

The elevator Liquid Crystal Display (LCD) that a kind of USB of support downloads, by circuit card, liquid crystal display and loud speaker are formed, described telltale also comprises a FLASH memory device, described circuit card is provided with central core parts MCU, also be provided with USB interface, the RJ45 data line interface, 32 bit parallel bus interface, the CAN interface, LCD Interface, the IIS interface, described circuit card joins by USB interface and PC, join by RJ45 data line interface and external ethernet, connect the FLASH memory device by 32 bit parallel bus interface, join by CAN interface and elevator communication interface, join by LCD Interface and liquid crystal display, join by IIS interface and loud speaker.

Application of the present utility model, the cost performance of the complexity in the time of can reducing the design of lift circuit plate greatly, increase lift circuit plate, reduced maintenance cost, and by the various external device (ED)s that link to each other with interface on the circuit card, thereby following assisting of multiple additional function, elevator convenient for users.

Description of drawings:

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is an external device structural representation of the present utility model.

Fig. 2 is a system block diagram of the present utility model.

Fig. 3 is the utility model principle schematic.

The specific embodiment:

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

Be illustrated in figure 1 as the structural representation of external device of the present utility model, the very simple and clear annexation that shows lift circuit plate and exterior signal output apparatus.Link to each other with Liquid Crystal Display (LCD) 3 and loud speaker 4 respectively by the connection lead 5 on connection lead on the LCD Interface on the lift circuit plate 12 and the IIS interface, just can realize the screen display and the voice report function of elevator information comparatively commonly used, satisfy the needs of different crowd.

Be illustrated in figure 2 as the system block diagram of a kind of elevator of the USB of support download with display instrument, comprise that one is provided with the circuit card that central authorities handle the MCU micro controller system of core component, on circuit card, also be provided with the LCD Interface that links to each other with liquid crystal display, with loud speaker bonded assembly IIS interface, the CAN interface that links to each other with the elevator communication system interface, the USB interface that links to each other with the PC USB interface, the RJ45 data line interface that links to each other with the external ethernet interface, and be used for linking to each other with the FLASH memory device 32 be parallel bus.According to principle schematic of the present utility model among Fig. 3, can clearly understand transmission method of signal on the circuit card.Control signal on the circuit card, data-signal and power supply signal are transported on the liquid crystal display by LCD Interface; The IIS data-signal is transported in the loud speaker by the IIS interface; D+, D-signal conveys are to USB interface; CAN_RX, CAN_TX signal conveys are in the CAN interface; RX, TX signal are transmitted by 485 interfaces; Ethernet signal is transmitted by the RJ45 data line interface.

In use, USB interface can be used as the bridge that the lift circuit plate uses download of USB connection mode and lastest imformation, and comes very to read information easily from USB flash disk or other external equipment by USB interface; LCD Interface transfers signals in the liquid crystal display as the transmission bridge of circuit card output image signal, makes the passenger understand the various signals of current elevator; The IIS interface then is the bridge of output voice signal, and when the liquid crystal display shows signal, the voice signal with circuit card output plays back by loud speaker simultaneously; The bridge that the CAN interface then transmits as signal between the elevator at lift circuit plate and place, the exchange that keeps the inside and outside information of elevator; The FLASH memory device is to be used for the various types of signal that the memory circuit plate imports and the device of information, by 32 bit parallel buses, carries out the exchange of information with circuit card; The lift circuit plate can also link to each other with external network by Ethernet interface, satisfies the function of the remote monitor and control and the management of elevator.

The utility model is compared with liquid crystal display apparatus with traditional elevator, had more the USB interface that can conveniently link to each other in function with external device, solved the traditional elevator inconvenience of liquid crystal display apparatus owing to in-to-in information and data input and renewal, and can only rely on high-capacity storage equipment to load the variety of information of input in advance, sometimes have to face the incomplete of information input, the problem that often can only rely on manufacturer aspect professional to rush about and rewrite again.Use of the present utility model can significantly reduce the spending of manufacturer's cost aspect, increased cost performance of product, reduced the maintenance cost of product, and by matching with other concentrated module, make the utility model on function more comprehensively, satisfy the various needs of different crowd when using elevator.

More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. elevator Liquid Crystal Display (LCD) of supporting that USB downloads, by circuit card, liquid crystal display and loud speaker are formed, it is characterized in that, described telltale also comprises a FLASH memory device, described circuit card is provided with central core parts MCU chip, also be provided with USB interface, the RJ45 data line interface, 32 bit parallel bus interface, the CAN interface, LCD Interface, the IIS interface, described circuit card joins by USB interface and PC, join by RJ45 data line interface and external ethernet, connect the FLASH memory device by 32 bit parallel bus interface, join by CAN interface and elevator communication interface, join by LCD Interface and liquid crystal display, join by IIS interface and loud speaker.