CN202886873U - Civil aviation airborne driving cabin clock - Google Patents
Civil aviation airborne driving cabin clock Download PDFInfo
- Publication number
- CN202886873U CN202886873U CN 201220449732 CN201220449732U CN202886873U CN 202886873 U CN202886873 U CN 202886873U CN 201220449732 CN201220449732 CN 201220449732 CN 201220449732 U CN201220449732 U CN 201220449732U CN 202886873 U CN202886873 U CN 202886873U
- Authority
- CN
- China
- Prior art keywords
- time
- clock
- module
- airborne
- utc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Clocks (AREA)
Abstract
The utility model discloses a civil aviation airborne driving cabin clock, comprising a control assembly (100), a display assembly (200) and a power assembly (300). The power assembly (300) is used for supplying the voltage required by the control assembly (100) and the display assembly (200); the display assembly (200) is an LCD including a backlight module; the control assembly (100) comprises a microcontroller (110), a button module (120), a backlight adjusting module (130), a clock module (140), a communication module (150), a display driving module (160) and a backlight control module (170). The civil aviation airborne driving cabin clock can be switched to display local time and the world time and can be communicated with an airplane control system and other airborne equipment, self calibration is achieved, the brightness of the display screen is adjustable, flying timing and stopwatch timing are achievable, the display power consumption is small, the timing precision is high, and rapid identification is easy.
Description
Technical field
The utility model relates to a kind of aircraft clock technical field, relates in particular to the airborne driving cabin clock of a kind of civil aviaton.
Background technology
Disclosed a kind of aircraft clock in the prior art, seen also Chinese patent, number of patent application: 20101058198.5, denomination of invention is " a kind of Multifunctional aviation clock ", Granted publication number: CN102096370B.This patent documentation has disclosed a kind of in conjunction with mechanical pointer and digital pair of demonstration aircraft clock of LED, and pointer can block the time that LED shows in operational process.The clock that discloses only can provide local zone time to show and the timing service for the aircrew, can not show simultaneously time Coordinated Universal Time(UTC) and local zone time, there is not self-calibration function, can not provide clock signal for other equipment on the aircraft, can't satisfy the airborne cockpit of existing civil aviaton to the functional requirement of elapsed time clock.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, provides the airborne driving cabin clock of civil aviaton of the high and low power consumption of a kind of accuracy of timekeeping.
The technical scheme that its technical matters that solves the utility model adopts is: the airborne driving cabin clock of a kind of civil aviaton, comprise display module and power supply module, it is characterized in that, also comprise Control Component, described Control Component comprises microcontroller and the clock module that is connected with microcontroller respectively and communication module, wherein:
Clock module comprises for read-write first clock unit of record local zone time with for the read-write second clock unit that records time Coordinated Universal Time(UTC);
Communication module be used for to receive on the ARINC429 bus of aircraft cockpit inside the Coordinated Universal Time(UTC) time data from the Airborne GPS unit, and provides its required time data by the ARINC429 bus for other airborne equipments;
Microcontroller is used for reading the first clock unit of clock module and local zone time that the second clock unit provides and Coordinated Universal Time(UTC) time data show corresponding contents, received communication module with the control display assembly Coordinated Universal Time(UTC) time data and calibrates local zone time and time Coordinated Universal Time(UTC), sends the local zone time that reads or Coordinated Universal Time(UTC) time data to other airborne equipments by communication module to be written to clock module.
Preferably, described Control Component also comprises the driver module by microprocessor controls, and described driver module is used for receiving local zone time and the Coordinated Universal Time(UTC) time data signal of microcontroller output and drives display module switching demonstration local zone time and time Coordinated Universal Time(UTC).
Preferably, described driver module also is used for driving display module and shows timing and manual time-keeping when navigating.
Described Control Component also comprises key-press module, and described key-press module comprises four buttons, timing when being used for switching display items, setup times, manual time-keeping, boat successively.
Preferably, described display module adopts the second timing of simulated pointer indication stopwatch.
Preferably, described display module is the LCD display that contains backlight module, the display interface of described display comprises dial scale district, digital display area and simulated pointer, described digital display area comprises again the upper, middle and lower Three regions, described upper viewing area is used for showing local zone time or time Coordinated Universal Time(UTC), described middle viewing area is used for showing year, month or day, timing and manual time-keeping when described lower viewing area is used for showing boat.
Preferably, described communication module comprises data transmit-receive unit and level conversion unit, the receiving end of described data transmit-receive unit and the ARINC429 bus of driving cabin inside are interconnected, the transmitting terminal of described level conversion unit with need other airborne equipments of time signal interconnected.
Preferably, described communication module also can be passed through CAN bus, I
2C bus, RS-485 universal serial bus or USB receive, the transmitting time data, for the equipment of correspondence provides time showing and calibration.
Preferably, described clock module also comprises respectively the temperature compensating crystal oscillator that is connected with the second clock unit with the first clock unit, described temperature compensating crystal oscillator is used to the first clock unit and second clock unit that accurately original clock frequency is provided, and described Coordinated Universal Time(UTC) time data from the Airborne GPS unit is used for the alignment time, eliminates cumulative errors.
Preferably, described power supply module comprises standby power supply circuit and electric power management circuit, and described electric power management circuit is used for when primary power source de-energizes or brownout state the feed circuit of clock module are switched to the standby power supply circuit by main power circuit.
Implement airborne driving cabin clock of the present utility model, changeable demonstration local zone time (MAN time) and Coordinated Universal Time(UTC) (UTC time), can provide time signal with the aircraft control system time synchronized and for other airborne equipments, (ET) timing and stopwatch (CHR) timing in the time of can using simultaneously boat, but automatic or manual adjusting screen brightness, can accept, calibrate, send real time coordination universal time temporal information, and show that power consumption is little, accuracy of timekeeping is high, be easy to Fast Identification.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of the airborne driving cabin clock of the utility model civil aviaton;
Fig. 2 is the structural representation of communication module in the theory diagram of the airborne driving cabin clock of the utility model civil aviaton;
Fig. 3 is the schematic diagram of the display interface of the airborne driving cabin clock of the utility model civil aviaton;
Embodiment
As shown in Figure 1, the airborne driving cabin clock of the utility model civil aviaton comprises Control Component 100, display module 200 and power supply module 300.Control Component 100 comprises microcontroller 110, key-press module 120, adjustment module backlight 130, clock module 140, communication module 150, driver module 160 and backlight control module 170.Clock module 140 comprises crystal oscillator chip, local zone time clock unit (the first clock unit) 141, Coordinated Universal Time(UTC) clock unit (second clock unit) 142, two clock units can adopt two pieces of read-write real-time timepiece chips, are used for writing time and the data that local zone time and Coordinated Universal Time(UTC) are provided.Communication module 150 comprises data transmit-receive unit and level conversion unit, and the ARINC429 bus of the receiving end of data transmit-receive unit and driving cabin inside is interconnected, the transmitting terminal of level conversion unit with need other airborne equipments of time signal interconnected.Adjustment module 130 backlight comprises two kinds of regulative modes: manual adjustments and automatically adjusting, it is regulated automatically is by electrooptical device, surround lighting is converted to current signal regulates brightness of display screen.Display module 200 comprises the LCD display that contains backlight module, the LCD display mode, and structure is single, thereby power consumption is little, the trouble spot is few, has satisfied aviation flight to requirement energy-conservation, high reliability.Power supply module 300 contains standby power supply, and standby power supply can provide uninterrupted voltage by the clock module 140 for the utility model aircraft clock when the primary power source de-energizes state.Microcontroller 110 is used for reading the time data of clock module 140 or writing the Coordinated Universal Time(UTC) time data to clock module 140, the Coordinated Universal Time(UTC) time data of received communication module 150, send local zone time or Coordinated Universal Time(UTC) time data to communication module 150, process the backlight illumination of manual adjustments module 131 input signals and automatic adjustment module 132 input signals control LCD display module 200, then the signal of processing key-press module 120 sends corresponding displaying contents to LCD display module 200.
In the present embodiment, the formation of communication module 150 as shown in Figure 2, the data transmit-receive unit is the HS3282 chip, level conversion unit is the HS3182 chip, the HS3282 chip is changed for the serial parallel of finishing transmission data buffer storage and transceiving data, the HS3182 chip is used for finishing the conversion of clock internal logic signal and ARINC429 differential signal and the ARINC429 bus transfer rate being regulated, but the ARINC429 data transmit-receive unit of communication module 150 and level conversion unit are not limited to two above-mentioned chip, and the chip of other compatible ARINC429 communication protocols also can be realized same function; The crystal oscillator chip of clock module 140 adopts temperature compensating crystal oscillator 143, temperature compensating crystal oscillator 143 is connected respectively and is used for providing accurately original clock frequency with two real-time timepiece chips, it makes by environment temperature by additional temperature-compensation circuit and changes the oscillation frequency variable quantity reduction that produces; The automatic adjustment module 132 of adjustment module 130 backlight comprises the photodiode that light signal is become electric signal, and this photodiode can use other electrooptical devices such as photoresistance, opto-electronic conversion chip, photoelectrical coupler to replace.
Based on the modular structure of the airborne driving cabin clock of above-mentioned civil aviaton, the utility model is carried out following detailed description:
1. Power supply
Power supply module 300, during normal power supply, the working power that is input as 28VDC provides 5V voltage for display module 200, for communication module 150 provides ± 15V voltage, for backlight control module 170 supplies 9V voltage, for other equipment provide 5V voltage; Working power is interrupted or the standby power supply that can come into operation when inadequate, and the standby power supply that is input as 28VDC this moment is mainly clock module 140 provides the uninterrupted voltage of 5V to ensure the normal operation of clock source.
2. doubleclocking shows
Clock module 140 comprises local zone time (MAN) clock unit 141 and Coordinated Universal Time(UTC) (UTC) clock unit 142, two clock units can adopt respectively read-write MAN real-time timepiece chip and UTC realtime clock chip, and two pieces of read-write real-time timepiece chips pass through I
2C universal serial bus and microcontroller 110 communicate.When needing to show local real-time time, microcontroller 110 is at first from MAN real-time timepiece chip read local time data, and control display driver module 160 drives the local zone time data that 200 demonstrations of LCD display module are read again; Need to show time Coordinated Universal Time(UTC), microcontroller 110 at first reads the Coordinated Universal Time(UTC) time data from the UTC real-time timepiece chip, and control display driver module 160 drives time Coordinated Universal Time(UTC) that 200 demonstrations of LCD display module are read again.Can realize local zone time and the demonstration of time Coordinated Universal Time(UTC) switching by 121 buttons of key-press module 120.
3. and PERCOM peripheral communication
The data transmit-receive core cell of communication module 150 is made of HS3282 and HS3182, the ARINC429 bus of the receiving end of chip HS3282 and driving cabin inside is interconnected, and the transmitting terminal of chip HS3182 is interconnected with the ARINC429 bus of other airborne equipments that need Coordinated Universal Time(UTC) signal or local time signal.Chip HS3282 receives from the valid data on the ARINC429 bus of driving cabin inside, the DR pin produces a negative edge, this negative edge triggers the external interrupt of microcontroller 110, microcontroller 110 namely reads these data, if these data are effective Coordinated Universal Time(UTC) time signals, 110 of microcontrollers are these data write clock module 140 real-time timepiece chips; When other airborne equipments need to send time Coordinated Universal Time(UTC) or local time signal, microcontroller 110 is first from MAN real-time timepiece chip or the UTC realtime clock chip reading out data of clock module 140, again the data that read are sent to chip HS3282, chip HS3282 carries out being converted to the level that meets the ARINC429 protocol requirement by chip HS3182 again after the parallel/serial row conversion to data, send time signal to other airborne equipment via the ARINC429 bus, the time of whole aircraft system is kept synchronously.
4. time calibration
At first, clock module 140 comprises respectively with the first clock unit 141 is connected the temperature compensating crystal oscillator 143 that is connected with the second clock unit, and it can make by additional temperature-compensation circuit and change the oscillation frequency variable quantity that produces by environment temperature and cut down; Secondly, from the Coordinated Universal Time(UTC) time signal of Airborne GPS unit, this signal derives from cesium-beam atomic clock on the ARINC429 bus of communication module 150 reception aircraft cockpit inside, and its precision is: 1 * 10
-12～1 * 10
-13, microcontroller 110 is the real-time timepiece chip of this signal as time signal write clock module 140, thereby Coordinated Universal Time(UTC) and local zone time are calibrated.
5. two timing
The button 123 or 124 of key-press module 120 is pressed, the external interrupt of microcontroller 110, (ET) timing when starting stopwatch (CHR) timing or boat, utilize the interrupt function of overflowing of the timer of microcontroller 110 to obtain the 1s interruption, in have no progeny, microcontroller 110 control display driver modules 160 drive LCD display modules 200 and show chronometric datas.Button 123 circulation is pressed and is followed successively by startup, stops and removing stopwatch (CHR) timing; It is beginning successively that the circulation of 124 buttons is pressed, suspend, and (ET) timing when continuing boat, (ET) timing is withdrawed from when pressing for a long time 124 buttons boat.
6. adjusting backlight
Adjustment module 130 backlight comprises manual adjustments module 131 and self-regulation module 132, manual adjustments module 131 is first that the AC signal of 0-5V is the DC signal of 0-5V by the RMS-DC converter circuit conversion with effective value, the DC signal of 0-5V after will changing again is sent to microcontroller 110, and the conditioning signal backlight that 110 pairs of microcontrollers receive carries out the power control signal of capable of regulating dutycycle corresponding to the rear output of A/D conversion; Automatically adjustment module 131 is converted to current signal with environment bright by electrooptical device, again through amplifying shaping, be sent to microcontroller 110 behind the DC signal of formation 0-5V, the conditioning signal backlight that 110 pairs of microcontrollers receive carries out the power control signal of capable of regulating dutycycle corresponding to the rear output of A/D conversion.Backlight control module 170 receives the power control pwm signal of the capable of regulating dutycycle of microcontroller 110 outputs, controls the backlight illumination of LCD display module 200.
7.LCD show
Display screen comprises dial scale district 20 and digital display area 30 as shown in Figure 3.Pointer on the index dial adopts simulated pointer 10, simulated pointer 10 by many second line combine, in the present embodiment simulated pointer 10 by 5 second line combine, simulated pointer 10 can not block the numeral of digital display area 30 when index dial is walked.The digital display area is divided into again upper, middle, and lower part, demonstration local zone time or time Coordinated Universal Time(UTC) are switched in the operation that upper viewing area 31 is used for response button 121, demonstration local zone time or the year of time Coordinated Universal Time(UTC), the moon or day are switched in the operation that middle viewing area 32 is used for response button 121, timing and manual time-keeping when lower viewing area 33 is used for showing boat.Button 122 is increment type code switchs, and the time and date of local zone time can be set when pressing, and rotates about to increase or to reduce numerical value is set accordingly.
Further, clock of the present utility model not only can be applicable on the space shuttle, also can be applicable on the equipment such as computing machine, game machine, video or audio and video equipment, ship, vehicle, corresponding communication module 150 can be passed through USB (UniversalSerialBUS USB (universal serial bus)), I
2C(Inter-IC) bus, RS-485 universal serial bus or CAN (ControlAreaNetwork control area net（CAN）) bus receives and/or the transmitting time data, then be sent to microcontroller 110, microcontroller 110 arranges or calibrates the first clock unit 141 and second clock unit 142 with the time data that receives again.Further, microcontroller 110 also can read the temporal information of the first clock unit 141 and/or second clock unit 142, and by above-mentioned bus transmission, other corresponding device that carries for equipment provides the time signal of required demonstration and the time that is used for calibrating other load bearing equipment.Driver module 160 and display module 200 can be done corresponding the adjustment, with the convenient information of being correlated with that shows.
The time that the first clock unit 141 and second clock unit 142 record is that the user feels the only time according to s own situation such as own demand, device therefor, locations, for example transnational logistics company need to be known the local time of purpose cargo ports, only need to be by the time zone be set, can be scaled the local time of purpose cargo ports the Coordinated Universal Time(UTC) of second clock unit 142, show by display module 200, the user has namely obtained the local time at purpose harbour.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (10)
1. airborne driving cabin clock of civil aviaton, comprise display module (200) and power supply module (300), it is characterized in that, also comprise Control Component (100), described Control Component (100) comprises microcontroller (110) and the clock module (140) that is connected with microcontroller (110) respectively and communication module (150), wherein:
Clock module (140) comprises for read-write first clock unit (141) of record local zone time with for the read-write second clock unit (142) that records time Coordinated Universal Time(UTC);
Communication module (150) be used for to receive on the ARINC429 bus of aircraft cockpit inside the Coordinated Universal Time(UTC) time data from the Airborne GPS unit, and provides its required time data by the ARINC429 bus for other airborne equipments;
Microcontroller (110) is used for reading first clock unit (141) of clock module (140) and local zone time that second clock unit (142) provide and Coordinated Universal Time(UTC) time data show corresponding contents, received communication module (150) with control display assembly (200) Coordinated Universal Time(UTC) time data and arrives other airborne equipments with local zone time or the Coordinated Universal Time(UTC) time data that is written to clock module (140) and calibrates local zone time and time Coordinated Universal Time(UTC), read by communication module (150) transmission.
2. the airborne driving cabin clock of civil aviaton according to claim 1, it is characterized in that, described Control Component (100) also comprises the driver module (160) by microcontroller (110) control, and described driver module (160) is used for local zone time and the Coordinated Universal Time(UTC) time data signal of reception microcontroller (110) output and drives display module (200) switching showing local zone time and time Coordinated Universal Time(UTC).
3. the airborne driving cabin clock of civil aviaton according to claim 2 is characterized in that, described driver module (160) also is used for driving display module (200) and shows timing and manual time-keeping when navigating.
4. the airborne driving cabin clock of civil aviaton according to claim 1, it is characterized in that, described Control Component (100) also comprises key-press module (120), described key-press module (120) comprises four buttons (121-124), timing when described four buttons are used for switching display items, setup times, manual time-keeping, boat successively.
5. the airborne driving cabin clock of civil aviaton according to claim 1 is characterized in that, described display module (200) adopts the second timing of simulated pointer indication stopwatch.
6. the airborne driving cabin clock of civil aviaton according to claim 1 or 5, it is characterized in that, described display module (200) is the LCD display that contains backlight module, the display interface of described display comprises dial scale district, digital display area and simulated pointer, described digital display area comprises again the upper, middle and lower Three regions, described upper viewing area is used for showing local zone time or time Coordinated Universal Time(UTC), described middle viewing area is used for showing year, month or day, timing and manual time-keeping when described lower viewing area is used for showing boat.
7. the airborne driving cabin clock of civil aviaton according to claim 1, it is characterized in that, described communication module (150) comprises data transmit-receive unit and level conversion unit, the receiving end of described data transmit-receive unit and the ARINC429 bus of driving cabin inside are interconnected, the transmitting terminal of described level conversion unit with need other airborne equipments of time signal interconnected.
8. the airborne driving cabin clock of civil aviaton according to claim 1 is characterized in that, described communication module (150) also can be passed through CAN bus, I
2C bus, RS-485 universal serial bus or USB receive and the transmitting time data, for the equipment of correspondence provides time showing and calibration.
9. the airborne driving cabin clock of civil aviaton according to claim 1, it is characterized in that, described clock module (140) also comprises respectively is connected 142 with the first clock unit (141) with the second clock unit) temperature compensating crystal oscillator (143) that is connected, described temperature compensating crystal oscillator (143) is used to the first clock unit (141) and second clock unit (142) that accurately original clock frequency is provided, and described Coordinated Universal Time(UTC) time data from the Airborne GPS unit is used for the alignment time, eliminates cumulative errors.
10. the airborne driving cabin clock of civil aviaton according to claim 1, it is characterized in that, described power supply module (300) comprises standby power supply circuit and electric power management circuit, and described electric power management circuit is used for when primary power source de-energizes or brownout state the feed circuit of clock module (140) are switched to the standby power supply circuit by main power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449732 CN202886873U (en) | 2012-09-05 | 2012-09-05 | Civil aviation airborne driving cabin clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220449732 CN202886873U (en) | 2012-09-05 | 2012-09-05 | Civil aviation airborne driving cabin clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886873U true CN202886873U (en) | 2013-04-17 |
Family
ID=48078280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220449732 Expired - Fee Related CN202886873U (en) | 2012-09-05 | 2012-09-05 | Civil aviation airborne driving cabin clock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830614A (en) * | 2012-09-05 | 2012-12-19 | 飞亚达（集团）股份有限公司 | Civil aviation airborne cockpit clock |
-
2012
- 2012-09-05 CN CN 201220449732 patent/CN202886873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830614A (en) * | 2012-09-05 | 2012-12-19 | 飞亚达（集团）股份有限公司 | Civil aviation airborne cockpit clock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102830615B (en) | Aviation timing method and system for providing dual time display and UTC (Universal Time Coordinated) timing and sending | |
| CN202798718U (en) | Electric power time synchronization device for Beidou GPS (global positioning system) double satellite system | |
| CN101751890B (en) | Liquid crystal display and method of driving the same | |
| CN101739981B (en) | Liquid crystal display | |
| CN102830614B (en) | Civil aviation airborne cockpit clock | |
| CN202886873U (en) | Civil aviation airborne driving cabin clock | |
| CN203849566U (en) | Time and frequency synchronization device in support of accurate and reliable power-off time keeping | |
| CN204807943U (en) | Digital display clock with timing of wireless automatic correction of and adjustable colour | |
| CN104361803A (en) | Singlechip microcomputer teaching training system based on perpetual calendar hygrothermograph | |
| CN201638030U (en) | Wireless automatic timing apparatus | |
| CN200993736Y (en) | Air control system GPS clock | |
| CN205484778U (en) | Helicopter meteorological radar display | |
| CN112767791A (en) | Simulated aviation clock system developed for flight simulator and operation method thereof | |
| CN203012381U (en) | Second point rotation clock | |
| CN203038015U (en) | Simulation aircraft clock | |
| CN207636943U (en) | A kind of digital clock | |
| CN100535963C (en) | 3D animation simulation electronic calendar | |
| CN202662244U (en) | Intelligent LED (Light Emitting Diode) display screen with weekly business hour | |
| CN201965870U (en) | Color display of locomotive cab | |
| CN205247514U (en) | Teletransmission intelligence water gauge with ladder pricing function | |
| CN112037725B (en) | Display device and display method | |
| CN203148970U (en) | Mach airspeed indicator comprehensive test system | |
| CN102096370A (en) | Multifunctional aviation clock | |
| CN102929125A (en) | Field sequential color liquid crystal display electronic clock | |
| CN210804012U (en) | Clock board card for merging unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20140905 |
|
| EXPY | Termination of patent right or utility model |