CN104391811A - Miniature airborne data recording device and data recording and uninstalling method thereof - Google Patents
Miniature airborne data recording device and data recording and uninstalling method thereof Download PDFInfo
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- CN104391811A CN104391811A CN201410701631.6A CN201410701631A CN104391811A CN 104391811 A CN104391811 A CN 104391811A CN 201410701631 A CN201410701631 A CN 201410701631A CN 104391811 A CN104391811 A CN 104391811A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 238000007726 management method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 2
- 241000218691 Cupressaceae Species 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Abstract
The invention discloses a miniature airborne data recording device and a data recording and uninstalling method thereof. The miniature airborne data recording device comprises a data recording instrument and a data adapter plate; the data recording instrument comprises a USB (universal serial bus) controller, an RS (radio sonde) 422 communication module, an eMMC (embedded multi media card) memory module and a miniature interface plate, the miniature interface plate comprises a USB 3.0 interface and an RS422 interface, the USB controller is connected with the RS422 interface though the RS422 communication module, an eMMC control terminal of the USB controller is connected with the eMMC memory module, and a USB control terminal of the USB controller is connected with the USB 3.0 interface; the data recording instrument is connected with an airborne system through the RS422 interface; the data adapter plate comprises an RS422 to RS232 module, a USB 3.0 to USB 2.0 module and one or a plurality of combinations in a USB 3.0 interface module, the miniature interface plate of the data recording instrument is connected with an externally connected computer through the RS422 to RS232 module, and the USB 3.0 to USB 2.0 module or the USB 3.0 interface module. The miniature airborne data recording device has the advantages that the structure is simple, the size is small, data recording of the data recording instrument can be accomplished through the RS422 interface and an RS232 interface, and data high-speed uninstalling of the data of the data recording instrument can be realized through the USB 3.0 interface.
Description
Technical field
The present invention relates to a kind of miniature airborne data recording equipment and data record thereof and discharging method.
Background technology
At present, the flight training frequency of pilot is increasing, and the order of classes or grades at school of commercial air flights also gets more and more, and the flying quality of each sortie or order of classes or grades at school need carry out strict preservation.And when recording the carrying out of flying quality and unload, requiring that the reading speed of datalogger is fast, digital independent is stablized errorless.
In airborne applied environment, require that again datalogger meets miniaturization, the work that can complete data record and unloading on a very little volume be ensured.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of miniature airborne data recording equipment and data record thereof and discharging method are provided, the simple volume of this data recording equipment structure is little, the data record of datalogger is completed by RS422 interface and RS232 interface, and unloaded by the data high-speed of USB3.0 Interface realization datalogger, this data record and discharging method are simple, data record and discharge rate fast.
The object of the invention is to be achieved through the following technical solutions: a kind of miniature airborne data recording equipment, it comprises datalogger and data switch plate; Described datalogger comprises USB controller, RS422 communication module, eMMC memory module and miniature interface board, described miniature interface board comprises USB3.0 interface and RS422 interface, described USB controller is connected with RS422 interface by RS422 communication module, the eMMC control end of USB controller is connected with eMMC memory module, and the USB control end of USB controller is connected with USB3.0 interface; Datalogger is also connected with mobile system by RS422 interface; Described data switch plate comprises RS422 RS 232 module, USB3.0 turns USB2.0 module and one or more combination in USB3.0 interface module, the miniature interface board of datalogger by RS422 RS 232 module, USB3.0 turns USB2.0 module or USB3.0 interface module is connected with external computing machine.
USB controller is USB3.0 controller, and USB controller is CYUSB3023 chip.
Described eMMC memory module is embedded with Nand flash storage.
Described datalogger also comprises crystal oscillator, and the clock signal of crystal oscillator exports and is connected with the clock signal input of USB controller.
Described datalogger also comprises power module, described power module is DC/DC power module, described miniature interface board also comprises power interface, the input of power module is connected with power interface, and the output of power module is connected with the power supply input of USB controller, RS422 communication module and eMMC memory module respectively.
The data record of miniature airborne data recording equipment and a discharging method, it comprises sub-data recording step and load shedding step.
Described sub-data recording step comprises following multiple sub-step:
S11, default mode of operation: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, and mobile system transfers data to datalogger by RS422 interface; The data that miniature interface board receives are stored in eMMC memory module by the CYUSB3023 chip in datalogger;
S12, interrupt cache mode: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, after datalogger powers on, start to receive RS422 data and interrupt, after the data sent mobile system in interrupt service routine carry out buffer memory, then be stored in eMMC memory module;
S13: the data repeatedly stored are distinguished by pushing away bag data, stores with the data distinguishing different Sortie.
Described load shedding step comprises following multiple sub-step:
S21, external computing machine controls load shedding: the RS232 interface of external computing machine is connected with the miniature interface of datalogger by the RS232 interface of data switch plate, be the RS232 interface of standard by the miniature interface conversion of datalogger by data switch plate, external computing machine sends load shedding instruction by RS232 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and the start and stop of control data unloading sub-step, load shedding progress is also sent to external computing machine by RS232 interface by CYUSB3023 chip, and by external computing machine, load shedding progress is shown,
S22, mobile system control data unloads: mobile system is connected with the miniature interface of datalogger by RS422 interface, mobile system sends load shedding instruction by RS422 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and control data registering instrument carries out load shedding work;
S23, load shedding: the USB3.0 interface of external computing machine or USB2.0 interface are connected with the miniature interface of datalogger by the USB3.0 interface of data switch plate or USB2.0 interface, be USB3.0 interface or the USB2.0 interface of standard by the miniature interface conversion of datalogger by data switch plate, when CYUSB3023 chip receives the startup load shedding instruction that external computing machine sends, the corresponding unloading data stored are transferred to external computing machine carry out load shedding in eMMC memory module; When CYUSB3023 chip receives the stopping load shedding instruction that external computing machine sends, CYUSB3023 chip stops transmitting data to external computing machine.
The invention has the beneficial effects as follows:
1) components and parts that the present invention selects amass little, low in energy consumption, make the volume of datalogger can do less, meet the designing requirement of miniature machine-carried type datalogger.
2) structure of the present invention is simple, its datalogger adopts CYUSB3023 chip as USB controller, there is eMMC control interface, directly can realize the seamless link with eMMC memory module, realize the control to eMMC memory module, and can realize carrying out high speed unloading by USB3.0 interface to the storage data in eMMC memory module.
3) select eMMC as storage medium, the controller of its embedded Nand Flash, the work that the ECC error correction to Nand Flash, abrasion equilibrium and bad block are rejected can be realized, user is not needed to carry out management to Flash and just directly can carry out data storage and retaking of a year or grade to eMMC.
4) datalogger adopts miniature interface, effectively reduces interface area, realizes the conversion of miniature interface to standard interface by data switch plate.
5) the present invention is when data record, the data that datalogger is sent by RS422 interface mobile system, and is recorded in eMMC memory module; When load shedding, unload borne computer and be connected data high-speed by USB3.0 interface with datalogger and unload, be also connected with datalogger with USB2.0 interface by RS232 interface, control this datalogger and carry out load shedding work.
6) simple, the data record of the method for data record of the present invention and load shedding and discharge rate fast, realize external computing machine by data switch plate and load shedding operation carried out to datalogger.
Accompanying drawing explanation
Fig. 1 is the system principle diagram of the miniature airborne data recording equipment of the present invention;
Fig. 2 is the schematic block circuit diagram of the miniature Airborne Data Recorder of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of miniature airborne data recording equipment, it comprises datalogger and data switch plate.
Described datalogger comprises USB controller, RS422 communication module, eMMC memory module and miniature interface board, described miniature interface board comprises USB3.0 interface and RS422 interface, described USB controller is connected with RS422 interface by RS422 communication module, the eMMC control end of USB controller is connected with eMMC memory module, and the USB control end of USB controller is connected with USB3.0 interface; Datalogger is also connected with mobile system by RS422 interface.
Described data switch plate comprises RS422 RS 232 module, USB3.0 turns USB2.0 module and one or more combination in USB3.0 interface module, the miniature interface board of datalogger by RS422 RS 232 module, USB3.0 turns USB2.0 module or USB3.0 interface module is connected with external computing machine.One end of data switch plate has the RS232 interface of standard, USB2.0 interface and USB3.0 interface, and its other end has the corresponding miniature interface of the miniature interface board that has to datalogger.
General external computing machine is all provided with RS232 interface and USB2.0/USB3.0 interface, the RS232 interface of external computing machine is connected with the RS232 interface of data switch plate, the RS232 interface of data switch plate is connected with the RS422 interface of data switch plate by RS422 RS 232 module, the RS422 interface of data switch plate is connected with the RS422 interface of datalogger, realizes external computing machine and carries out typing and unloading by RS232 interface to the data in datalogger eMMC.
The USB2.0 interface of external computing machine is connected with the USB2.0 interface of data switch plate, the USB2.0 interface of data switch plate turns USB2.0 module by USB3.0 and is connected with the USB3.0 interface of data switch plate, the USB3.0 interface of data switch plate is connected with the USB3.0 interface of datalogger, realizes external computing machine and carries out typing and unloading by USB2.0 interface to the data in datalogger eMMC.
The USB3.0 interface of external computing machine is connected with the USB3.0 interface of data switch plate, the USB3.0 interface of data switch plate is connected with the USB3.0 interface of datalogger by USB3.0 module, realizes external computing machine and carries out high speed typing and unloading by USB3.0 interface to the data in datalogger eMMC.
Described mobile system is connected with datalogger by RS422 interface.
As shown in Figure 2, USB controller is USB3.0 controller, can adopt the CYUSB3023 chip of the EZ-USB@SD3 series of Cypress company.This CYUSB3023 chip embedded ARM process kernel, is integrated with a USB3.0 interface and an eMMC controller interface, directly can realizes the seamless link of eMMC memory module, and possess SPI, I2C, UART and I2S interface, the data that UART interface sends for receiving RS422 interface.EMMC controller interface directly can realize the seamless link of eMMC memory module, and for realizing the control to eMMC device, USB interface can realize carrying out high speed unloading to the storage data of eMMC memory module.
Described eMMC memory module be using eMMC as storage medium, the controller of embedded Nand Flash.The work that the ECC error correction to Nand Flash, abrasion equilibrium and bad block are rejected can be realized.User is not needed to carry out control and management to Flash and just directly can carry out data storage and retaking of a year or grade to it.
The maximum advantage of eMMC memory module is low complex degree, high integration and low wiring difficulty etc., and without the need to considering main control module and the whether compatible problem of flash memory, without compatible worried, the complexity of difficulty and the circuit board that takies volume and datalogger all can reduce.
EMMC memory module can select MTFC8GLDEA-4M IT chip or the MTFC4GMDEA-4M IT chip of magnesium light company, and wherein MTFC8GLDEA-4M IT chip has the memory capacity of 8GB, and MTFC4GMDEA-4M IT chip has the memory capacity of 4GB.These two kinds of chips all belong to management type Nand Flash, and its inside achieves the function of the control of Flash, ECC error correction, abrasion equilibrium and bad block management.
Described RS422 communication module selects the MAX14783E chip of MAXIM company, has the transceiver interface circuit realizing RS422, can accomplish the ability of the against esd of 35KV.
Described datalogger also comprises crystal oscillator, and the clock signal of crystal oscillator exports and is connected with the clock signal input of USB controller.
Described datalogger also comprises power module, described power module is DC/DC power module, described miniature interface board also comprises power interface, the input of power module is connected with power interface, and the output of power module is connected with the power supply input of USB controller, RS422 communication module and eMMC memory module respectively.Power module input end receives the direct supply of 5V, and its output terminal exports the direct supply of 1.2V and 3.3V.
Power module can adopt the DCDC TPS62590 chip of TI company, to provide the power supply required for circuit board of the present invention.
Components and parts selected by datalogger in the present invention need be volume device little, low in energy consumption as far as possible, and to meet the requirement of miniaturization, in the present invention, the volumetric parameter of datalogger is 2.5cm*3.5cm*0.8cm.
Wherein, USB controller adopts the CYUSB3023 chip of the EZ-USB@SD3 series of Cypress, and the encapsulation of this chip can select WLCSP to encapsulate, and volumetric parameter is 5.099mm*4.695mm*0.55mm.
EMMC memory module selects MTFC8GLDEA-4M IT chip or the MTFC4GMDEA-4M IT chip of magnesium light company, and this device package can select WFBGA to encapsulate, and volumetric parameter is 11.5mm*13mm*0.8mm.
RS422 communication module selects the MAX14783E chip of MAXIM company, and the volumetric parameter of this chip is 3mm*3mm*0.5mm.
Power module selects the DCDC TPS62590 chip of TI company, and the volumetric parameter of this chip is 2.1mm*2.1mm*0.8mm.
In the present invention datalogger circuit board on other designed resistance and capacitance component, use 0402 encapsulates as far as possible, ensures the small size assembling of circuit.
The data record of miniature airborne data recording equipment and a discharging method, it comprises sub-data recording step and load shedding step.
Described sub-data recording step comprises following multiple sub-step:
S11, default mode of operation: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, and mobile system transfers data to datalogger by RS422 interface; The data that miniature interface board receives are stored in eMMC memory module by the CYUSB3023 chip in datalogger;
S12, interrupt cache mode: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, after datalogger powers on, start to receive RS422 data and interrupt, after the data sent mobile system in interrupt service routine carry out buffer memory, then be stored in eMMC memory module;
S13: the data repeatedly stored are distinguished by pushing away bag data, stores with the data distinguishing different Sortie.
Described load shedding step comprises following multiple sub-step:
S21, external computing machine controls load shedding: the RS232 interface of external computing machine is connected with the miniature interface of datalogger by the RS232 interface of data switch plate, be the RS232 interface of standard by the miniature interface conversion of datalogger by data switch plate, external computing machine sends load shedding instruction by RS232 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and the start and stop of control data unloading sub-step, load shedding progress is also sent to external computing machine by RS232 interface by CYUSB3023 chip, and by external computing machine, load shedding progress is shown,
S22, mobile system control data unloads: mobile system is connected with the miniature interface of datalogger by RS422 interface, mobile system sends load shedding instruction by RS422 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and control data registering instrument carries out load shedding work;
S23, load shedding: the USB3.0 interface of external computing machine or USB2.0 interface are connected with the miniature interface of datalogger by the USB3.0 interface of data switch plate or USB2.0 interface, be USB3.0 interface or the USB2.0 interface of standard by the miniature interface conversion of datalogger by data switch plate, when CYUSB3023 chip receives the startup load shedding instruction that external computing machine sends, the corresponding unloading data stored are transferred to external computing machine carry out load shedding in eMMC memory module; When CYUSB3023 chip receives the stopping load shedding instruction that external computing machine sends, CYUSB3023 chip stops transmitting data to external computing machine.
The method of data record of the present invention and load shedding is simple, data record and discharge rate fast, by eMMC memory module and USB3.0 interface, its load shedding speed can reach 40MB/s.The present invention stores data by external computing machine and mobile system to eMMC and unloads.
Claims (6)
1. a miniature airborne data recording equipment, is characterized in that: it comprises datalogger and data switch plate;
Described datalogger comprises USB controller, RS422 communication module, eMMC memory module and miniature interface board, described miniature interface board comprises USB3.0 interface and RS422 interface, described USB controller is connected with RS422 interface by RS422 communication module, the eMMC control end of USB controller is connected with eMMC memory module, and the USB control end of USB controller is connected with USB3.0 interface; Datalogger is also connected with mobile system by RS422 interface;
Described data switch plate comprises RS422 RS 232 module, USB3.0 turns USB2.0 module and one or more combination in USB3.0 interface module, the miniature interface board of datalogger by RS422 RS 232 module, USB3.0 turns USB2.0 module or USB3.0 interface module is connected with external computing machine.
2. the miniature airborne data recording equipment of one according to claim 1, it is characterized in that: USB controller is USB3.0 controller, USB controller is CYUSB3023 chip.
3. the miniature airborne data recording equipment of one according to claim 1, is characterized in that: described eMMC memory module is embedded with Nand flash storage.
4. the miniature airborne data recording equipment of one according to claim 1, is characterized in that: described datalogger also comprises crystal oscillator, and the clock signal of crystal oscillator exports and is connected with the clock signal input of USB controller.
5. the miniature airborne data recording equipment of one according to claim 1, it is characterized in that: described datalogger also comprises power module, described power module is DC/DC power module, described miniature interface board also comprises power interface, the input of power module is connected with power interface, and the output of power module is connected with the power supply input of USB controller, RS422 communication module and eMMC memory module respectively.
6. the data record of miniature airborne data recording equipment and a discharging method, is characterized in that: it comprises sub-data recording step and load shedding step;
Described sub-data recording step comprises following multiple sub-step:
S11, default mode of operation: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, and mobile system transfers data to datalogger by RS422 interface; The data that miniature interface board receives are stored in eMMC memory module by the CYUSB3023 chip in datalogger;
S12, interrupt cache mode: the RS422 interface of mobile system is connected with the RS422 interface of miniature interface board, after datalogger powers on, start to receive RS422 data and interrupt, after the data sent mobile system in interrupt service routine carry out buffer memory, then be stored in eMMC memory module;
S13: the data repeatedly stored are distinguished by pushing away bag data, stores with the data distinguishing different Sortie;
Described load shedding step comprises following multiple sub-step:
S21, external computing machine controls load shedding: the RS232 interface of external computing machine is connected with the miniature interface of datalogger by the RS232 interface of data switch plate, be the RS232 interface of standard by the miniature interface conversion of datalogger by data switch plate, external computing machine sends load shedding instruction by RS232 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and the start and stop of control data unloading sub-step, load shedding progress is also sent to external computing machine by RS232 interface by CYUSB3023 chip, and by external computing machine, load shedding progress is shown,
S22, mobile system control data unloads: mobile system is connected with the miniature interface of datalogger by RS422 interface, mobile system sends load shedding instruction by RS422 interface to CYUSB3023 chip, CYUSB3023 chip is resolved this load shedding instruction, and control data registering instrument carries out load shedding work;
S23, load shedding: the USB3.0 interface of external computing machine or USB2.0 interface are connected with the miniature interface of datalogger by the USB3.0 interface of data switch plate or USB2.0 interface, be USB3.0 interface or the USB2.0 interface of standard by the miniature interface conversion of datalogger by data switch plate, when CYUSB3023 chip receives the startup load shedding instruction that external computing machine sends, the corresponding unloading data stored are transferred to external computing machine carry out load shedding in eMMC memory module; When CYUSB3023 chip receives the stopping load shedding instruction that external computing machine sends, CYUSB3023 chip stops transmitting data to external computing machine.
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