CN1282863C - Data recording equipment for mini aircrafts - Google Patents
Data recording equipment for mini aircrafts Download PDFInfo
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- CN1282863C CN1282863C CN 200410003449 CN200410003449A CN1282863C CN 1282863 C CN1282863 C CN 1282863C CN 200410003449 CN200410003449 CN 200410003449 CN 200410003449 A CN200410003449 A CN 200410003449A CN 1282863 C CN1282863 C CN 1282863C
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- microprocessor
- interface
- converter
- data recording
- datalogger
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Abstract
The present invention discloses a data recording meter for miniature aircrafts, which comprises a signal interface, an A/D converter, a microprocessor, a memory and a power supply managing circuit, wherein the signal interface comprises a multiway analog signal input interface, a I<2>C digital interface and a UART serial port; the memory is a FLASH memory and is connected with the microprocessor by a data bus, and the power supply managing circuit provides a needed stabilized voltage power supply for the data recording meter. The present invention highly integrates elements, such as the signal interface, the processor, the FLASH memory, the power supply managing element, etc., into the same miniature circuit board by an incorporate integration design method through the microprocessor and the FLASH memory, the microprocessor has the advantages of high integration degree, high speed and low power consumption, and the FLASH memory has the advantages of high speed and large capacity. The miniature flight data recording meter is manufactured and has an analog signal input function and a digital signal input function at the same time, and the miniature flight data recording meter is suitable for the miniature aircraft to use. The present invention has the characteristics of small size, light weight, low power consumption, convenient and flexible operation, etc.
Description
Technical field
The present invention relates to the aircraft field, more particularly, the present invention relates to be used for the datalogger of minute vehicle.
Background technology
The flight data recording instrument is the equipment that is used for the various flying qualities of record-setting flight device on the aircraft.In general, datalogger is connected with carry-on various sensors, so that the signal that the record sensor records.The flight data recording instrument is existing on large-scale aircraft uses for example known loading " black box " aboard.
Since the U.S. in 1992 proposed the notion of " minute vehicle ", minute vehicle received much attention because having specific use.Some countries have dropped into specific project expenditure, and the development span is below one meter and even the aircraft below 150 millimeters, and have obtained suitable achievement.The task that minute vehicle is carried out comprises: aerial reconnaissance, target indication and communication repeating etc.Being characterized as of minute vehicle: 6～100 centimetres of aircraft size, weight 10～500 grams.
Along with going deep into of minute vehicle research, just have a kind of on minute vehicle the installation data registering instrument, so that the flying quality of record-setting flight device by sensing data in the action of aircraft particular flight is carried out branch, can obtain the model and the control law of aircraft.
And the existing datalogger complex structure that is used on the large aircraft, function is various, to such an extent as to its size and weight are all bigger.As previously mentioned, because the restriction of minute vehicle size and weight, the datalogger that therefore just need be used for minute vehicle can be tried one's best little and light, also will guarantee the stability of this datalogger work.
Summary of the invention
The object of the present invention is to provide a kind of flight data recording instrument that is applicable to that minute vehicle uses.
To achieve these goals, the invention provides a kind of datalogger that is used for minute vehicle, comprise signaling interface, A/D converter, microprocessor, storer and electric power management circuit.
Described signaling interface comprises: multichannel analog signals input interface, I
2C digital interface and UART serial ports; Described multichannel analog signals input interface is connected with A/D converter, and the simulating signal that the multichannel analog signals input interface receives transfers to described microprocessor after A/D converter is converted to digital signal; Described I
2The C digital interface is connected with described microprocessor with the UART serial ports, with its digital data transmission that receives to described microprocessor.
Described storer is the FLASH storer, is connected by data bus with described microprocessor.
Described electric power management circuit provides required stabilized voltage supply for datalogger.
Described A/D converter and described microprocessor integrate.
Described electric power management circuit comprises power interface and lowering and stabilizing blood pressure device circuit.
Described signaling interface, A/D converter, microprocessor, storer and electric power management circuit are integrated on the circuit board.
The present invention adopts integrated level height, speed microprocessor and high-speed high capacity FLASH storer fast, low in energy consumption, use integrated, integrated design means, components and parts height such as signaling interface, processor, FLASH storer, power management are integrated on the same small circuit board, produce have simulating signal input simultaneously, the digital signal input, be applicable to the miniature flight data recording instrument that minute vehicle uses.It is little, in light weight, low in energy consumption that the present invention has a volume, characteristics such as easy to use, flexible.
Description of drawings
Fig. 1 is the composition frame chart of datalogger of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, datalogger of the present invention has multiple signaling interface, comprises multichannel analog signals input interface 1, I
2C digital interface 2 and UART serial ports 3.
Multichannel analog signals input interface 1 can be imported the simulating signal of sensor (not shown) outputs such as carry-on gyro, accelerometer, magnetometer, altitude gauge, pitot meter, and each road interface of multichannel analog signals input interface 1 all has capacitance-resistance denoising filtering circuit.
I
2C digital interface 2 is I
2C two-wire digital interface (TWI), can with carry-on I
2C main frame such as robot pilot (not shown) connect, so that the digital signal of input main frame output.I
2C digital interface 2 can and I
2The C main frame carries out the high-speed communication that top speed is 400Kbps, and its address is that 16 systems are counted 55H, and main frame can carry out communication by this address with it.
The data of carry-on GPS receiver (not shown) are by UART serial ports 3 serials input.UART serial ports 3 receives the data from the GPS receiver, and data layout meets the NMEA agreement, mainly contains following several form: GPGGA, GPRMC, GPGSV etc., from packet, obtain longitude, latitude, highly, navigation informations such as speed, course.
The program storage that microprocessor 5 is built-in with data-carrier store and has program stored therein.A/D converter 4 is gathered the analog input amount on the multichannel analog signals input interfaces 1, and is converted in the internal memory that leaves in order after the numerical data in the built-in data-carrier store of microprocessor 5, further uses for microprocessor 5.I
2C digital interface 2 is connected with microprocessor 4 with UART serial ports 3, with its digital data transmission that receives to the data-carrier store of microprocessor 4.Program embedded in microprocessor 5 program storages is handled data all in its data-carrier store, and is stored in the storer 6.
A/D converter 4 and microprocessor 5 preferably integrate, and can select the microprocessor that has the A/D translation function for use.In one embodiment, microprocessor 5 is a high speed single instrction microprocessor, and processing speed is the highest can get to 20MIPS, integrated 12 A/D converters 4.
Electric power management circuit 7 includes power interface and lowering and stabilizing blood pressure device circuit.Battery is connected with power interface, and the 3.3V voltage of lowering and stabilizing blood pressure device circuit outputting high quality offers the various piece of datalogger at this moment, guarantees the operate as normal of registering instrument.
Datalogger of the present invention is installed on the minute vehicle, and with carry-on sensor, I
2C main frame and GPS receiver respectively with datalogger on multichannel analog signals input interface 1, I
2C digital interface 2 is connected with UART serial ports 3.After the energising, microprocessor 5 starts and electrification reset, starts working, and exports by the sensor that its inner A/D converter 4 is gathered on the analog interface 1; Microprocessor 5 passes through I
2C interface 2 receives I
2C main frame digital signal, these data can comprise gyro, accelerometer, magnetometer, altitude gauge, pitot meter and supply voltage data, and attitude angle, position etc.; Microprocessor 5 receives the GPS receiver signals by UART serial line interface 3, extract GPS course, position, highly, information such as speed.The various data that microprocessor 5 will receive are stored in the FLASH storer 6 according to certain sampling rate and sequencing, and storage format is a binary number, write when full when storer 6, stop storage operation.
After minute vehicle drop to ground, the UART serial line interface 3 of datalogger is received on the PC on ground through after the level conversion, microprocessor 5 receives the order from PC, then carry out corresponding operating, these operations comprise: the data that read certain-length, wipe the data of certain-length, wipe whole storer etc.These orders send by the software on the PC.
Claims (4)
1, a kind of datalogger that is used for minute vehicle is characterized in that, comprises signaling interface, A/D converter, microprocessor, storer and electric power management circuit;
Described signaling interface comprises: multichannel analog signals input interface, I
2C digital interface and UART serial ports; Described multichannel analog signals input interface is connected with A/D converter, and the simulating signal that the multichannel analog signals input interface receives transfers to described microprocessor after A/D converter is converted to digital signal; Described I
2The C digital interface is connected with described microprocessor with the UART serial ports, with its digital data transmission that receives to described microprocessor;
Described storer is the FLASH storer, is connected by parallel data bus line with described microprocessor;
Described electric power management circuit provides required stabilized voltage supply for datalogger.
2, the datalogger that is used for minute vehicle according to claim 1 is characterized in that, described A/D converter and described microprocessor integrate.
3, the datalogger that is used for minute vehicle according to claim 1 is characterized in that, described electric power management circuit comprises power interface and lowering and stabilizing blood pressure device circuit.
4, according to claim 1 or the 2 or 3 described dataloggers that are used for minute vehicle, it is characterized in that described signaling interface, A/D converter, microprocessor, storer and electric power management circuit are integrated on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003449 CN1282863C (en) | 2004-03-15 | 2004-03-15 | Data recording equipment for mini aircrafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003449 CN1282863C (en) | 2004-03-15 | 2004-03-15 | Data recording equipment for mini aircrafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1670487A CN1670487A (en) | 2005-09-21 |
| CN1282863C true CN1282863C (en) | 2006-11-01 |
Family
ID=35041833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410003449 Expired - Fee Related CN1282863C (en) | 2004-03-15 | 2004-03-15 | Data recording equipment for mini aircrafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1282863C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261929A (en) * | 2010-07-02 | 2011-11-30 | 北京信息科技大学 | Small multi-channel data recorder |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5223866B2 (en) * | 2007-09-11 | 2013-06-26 | 日本電気株式会社 | Data logger, data storage method and program |
| CN101738049A (en) * | 2008-11-14 | 2010-06-16 | 博西华家用电器有限公司 | Refrigerator and manufacture method thereof |
| GB201009595D0 (en) * | 2010-06-08 | 2010-07-21 | Penny & Giles Aerospace Ltd | Flight recorder |
| CN102155958B (en) * | 2010-12-31 | 2012-08-22 | 北京兴华机械厂 | Transportation condition monitoring recorder based on micro-inertial component |
| CN102737416A (en) * | 2012-06-08 | 2012-10-17 | 清华大学 | Data recorder of unmanned aircraft |
| CN103868545B (en) * | 2013-12-11 | 2016-05-11 | 中国航天空气动力技术研究院 | Multi-parameter flight dynamometer check data collecting system |
| CN106556457A (en) * | 2016-11-11 | 2017-04-05 | 中国科学院长春光学精密机械与物理研究所 | For the digital data recording system of small aircraft |
| CN109507934B (en) * | 2018-12-25 | 2021-04-09 | 大连理工大学 | Cascade self-adaptive digital I/O and analog signal acquisition circuit |
-
2004
- 2004-03-15 CN CN 200410003449 patent/CN1282863C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261929A (en) * | 2010-07-02 | 2011-11-30 | 北京信息科技大学 | Small multi-channel data recorder |
| CN102261929B (en) * | 2010-07-02 | 2013-06-05 | 北京信息科技大学 | Task scheduling method of small multi-channel data recorder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1670487A (en) | 2005-09-21 |
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Granted publication date: 20061101 |