CN201956040U - Display for vehicular intelligent dispatching terminal - Google Patents
Display for vehicular intelligent dispatching terminal Download PDFInfo
- Publication number
- CN201956040U CN201956040U CN2010206917454U CN201020691745U CN201956040U CN 201956040 U CN201956040 U CN 201956040U CN 2010206917454 U CN2010206917454 U CN 2010206917454U CN 201020691745 U CN201020691745 U CN 201020691745U CN 201956040 U CN201956040 U CN 201956040U
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- circuit
- display
- circuit board
- interface
- vehicle intelligent
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Abstract
The utility model relates to vehicular display equipment, and further relates to a display of intelligent dispatching equipment for a bus. A display for a vehicular intelligent dispatching terminal comprises a first circuit, a second circuit board and an LCD (liquid crystal display) module, wherein the first circuit board comprises a controller circuit, a power circuit and an external communication interface circuit, and the second circuit board comprises a radio-frequency circuit, a keyboard circuit and a data interface. The display for the vehicular intelligent dispatching terminal has the advantage that the display and keys can enable the display of vehicular intelligent bus dispatching equipment to have a man-machine interaction function.
Description
Technical field
The present invention relates to a kind of vehicle-mounted display device, further relate to a kind of display of bus intelligent scheduling equipment.
Background technology
At present, vehicle intelligent bus dispatching equipment is widely adopted in actual life, and this helps utilizing substantially social resources, better is vast general public service.Display in the vehicle intelligent controlling equipment plays critical effect in this equipment.It is by customizable interactive means, for the user provides intuitively, operating experience easily.Display in the vehicle intelligent controlling equipment in the past, only for the user provides, the simple information of figure or literal aspect.Can not be real-time carry out interactive operation with the user with regard to displaying contents.
Summary of the invention
The invention provides a kind of can be in real time and user's vehicle intelligent dispatch terminal display of carrying out interactive operation with regard to displaying contents.
The present invention is achieved through the following technical solutions.
Vehicle intelligent dispatch terminal display comprises: the first circuit board that contains controller circuitry, power circuit, external communication interface circuit; The second circuit board that contains radio circuit, keyboard circuit and data-interface; And LCD module.
As further preferred version, also comprise following one or more modules:
Be connected the hummer of controller circuitry periphery, and the audio frequency loudspeaker that can link to each other with the external audio input media, this hummer can send prompt tone; The audio frequency loudspeaker are play the audio-frequency information of miscellaneous equipment.
Be connected the pin-saving chip of controller circuitry periphery, this storage chip can be stored a lot of process datas, and power down can not lost yet.
The invention has the advantages that:
(1) display and button can make the display of this vehicle intelligent bus dispatching equipment have the function of man-machine interaction.
(2) circuit board of keyboard circuit and radio-frequency card circuit is arranged,, make the maintenance of hardware circuit very convenient with the method for designing that the circuit board that controller and peripheral interface circuit are arranged separates.
Description of drawings
Fig. 1 is that display is formed the part synoptic diagram in the embodiment of the invention.
Embodiment
Contrast Fig. 1, the display of vehicle intelligent bus dispatching equipment comprises: the LCD module; First circuit board comprises: controller circuitry, power circuit, external communication interface circuit; Second circuit board comprises: wireless radio frequency circuit, keyboard circuit and data-interface; First circuit board is realized being connected by the data-interface and the LCD module of external communication interface and second circuit board; Also comprise: the hummer that is connected with controller circuitry, the microphone that links to each other with external communication interface, and pin-saving chip.
Described keyboard circuit comprises: have the circuit part of pad pasting button, the circuit of this part adopts metal DOME shell fragment as button, and it is good to have a contact, is difficult for entering dust, and advantage such as be difficult for being corroded.
Described wireless radio frequency circuit part, the RC522 chip that has used comparatively advanced at present NXP company production is as read-write chip.The RC522 radio frequency chip support ISO 14443 TypeA and
Communication protocol, the non-contact IC card and the transponder of read-write and these two standards support MIFARE Classic to encrypt, and support the anti-collision operation; Communicating by letter of the more high transfer rate of support ISO 14443212kbit/s and 424kbit/s; Support 3 kinds of SPI interfaces with host communication interface: 10Mbit/s; 12C interface, the speed of quick mode are 400kbit/s, and the speed of fast mode is 3400kbit/s; Serial UART, transfer rate is up to 1228.8kbit/s; Have the CRC coprocessor, its 16 long CRC evaluators are fixed as: x16+x12+x5+1 meets ISO14443 and CCITT agreement.
Described controller circuitry comprises: master controller chip, this chip have used the ARM7 chip of NXP company product, and its travelling speed can reach 72MHz; The communication chip that is connected with the external world is a RS485 chip that can carry out full duplex communication, and the characteristic of its full duplex can guarantee when carrying out data communication with the external world, energy transmitted in both directions signal; Voltage-regulating circuit on this circuit board can be imported under 5 volts of voltage condition in the external world, the stable DC voltage that provides 3.3 volts, and output current can reach 400 milliamperes.
The LCD module adopts the mode of winding displacement to be connected with controller circuit board, and the resolution of lcd screen is the 240x128 dot matrix way, can show the capable Chinese character of 6-8 clearly.
The circuit board of keyboard circuit, wireless radio frequency circuit, LCD modular circuit, controller circuitry and peripheral interface circuit adopts the mode of winding displacement to connect.
This display can be by RS485 bus and other equipment interfaces, interactive information.This display also can independently use, and does not connect any other equipment, and the storer that its use carries can be stored the information relevant with product, carries out the operation of man-machine interaction by the mode of button input.
Described pin-saving chip is selected the FLASH chip of SST25VF032 (SOP8 packing forms) 32M position for use.Operating voltage 3.3V is connected with adopting the SPI mode between the CPU, and read-write operation carries out with sector mode, and the power down data holding time is 10 years.
According to the method for attachment of accompanying drawing 1, it is used in the bus intelligent terminal system.With this display, the round cable that has by himself patches a function more powerfully, is called as on the equipment of " external host ".
The course of work is as follows:
Step 1: this display and " external host " are linked together by cable.Main frame one end promptly can be this display 5 volts of required power supplys is provided, and can enter duty after this display energising.
Step 2: display enters after the duty, enters main interface.This interface can show pre-designed various information.Comprise: the parameters such as speed of time and driving.In main interface, by the predefined options button in the key zone, can optionally enter in the different menu items, here the function that each menu provided can both reach the synchronous of information between this display and external host.When entering the option of read-write radio-frequency (RF) IC card, the wireless radio frequency circuit module enters state of activation, the IC-card information that reads can be stored in the storage card in the display, also can pass to main frame one end by the RS485 bus with the form of message, by host process, storage.
Step 3: the LCD module of controlled device circuit control is after the message that receives the transmission of main frame one end, except message can being presented at the ad-hoc location of display screen, can also call the audio-frequency module of main frame one end, this message is transformed into voice, plays back by the audio frequency loudspeaker on the display.
Step 4: some can be by the specific parameter of the input of the keyboard on the display with the on-the-spot relevant information of user, 16 buttons on the display, wherein have 10 buttons to can be used as numerical key and use in the specific menu interface, all the other 6 buttons can be used as other functions and use.
Claims (4)
1. vehicle intelligent dispatch terminal display is characterized in that, comprising: the first circuit board that contains controller circuitry, power circuit, external communication interface circuit; The second circuit board that contains radio circuit, keyboard circuit and data-interface; And LCD module; First circuit board is realized being connected by the data-interface of external communication interface and second circuit board.
2. vehicle intelligent dispatch terminal display according to claim 1 is characterized in that, also comprises: the hummer that links to each other with controller circuitry.
3. vehicle intelligent dispatch terminal display according to claim 1 is characterized in that, also comprises: the audio frequency loudspeaker that link to each other with the external audio input media.
4. vehicle intelligent dispatch terminal display according to claim 1 is characterized in that, also comprises: the pin-saving chip that links to each other with controller circuitry, this storage chip can the storing process data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206917454U CN201956040U (en) | 2010-12-30 | 2010-12-30 | Display for vehicular intelligent dispatching terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206917454U CN201956040U (en) | 2010-12-30 | 2010-12-30 | Display for vehicular intelligent dispatching terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956040U true CN201956040U (en) | 2011-08-31 |
Family
ID=44500144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206917454U Expired - Lifetime CN201956040U (en) | 2010-12-30 | 2010-12-30 | Display for vehicular intelligent dispatching terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129825A (en) * | 2010-12-30 | 2011-07-20 | 天津市通卡公用网络系统有限公司 | Display of vehicle-mounted intelligent dispatching terminal |
-
2010
- 2010-12-30 CN CN2010206917454U patent/CN201956040U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129825A (en) * | 2010-12-30 | 2011-07-20 | 天津市通卡公用网络系统有限公司 | Display of vehicle-mounted intelligent dispatching terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Shengli Inventor after: Gao Zhuhu Inventor after: Li Xiang Inventor before: Meng Zhaopeng Inventor before: Kang Kai Inventor before: Li Xiang |
|
| COR | Change of bibliographic data | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300142 Hebei District, Chen Chen Road, No. 3, Tianjin Patentee after: Tianjin card intelligent network Polytron Technologies Inc Address before: 300142 Hebei District, Chen Chen Road, No. 3, Tianjin Patentee before: Tianjin IC Card Public Network System Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |