CN204101747U - A kind of electromagnetic data storage system based on PIC32 - Google Patents
A kind of electromagnetic data storage system based on PIC32 Download PDFInfo
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- CN204101747U CN204101747U CN201420600445.9U CN201420600445U CN204101747U CN 204101747 U CN204101747 U CN 204101747U CN 201420600445 U CN201420600445 U CN 201420600445U CN 204101747 U CN204101747 U CN 204101747U
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Abstract
The utility model relates to a kind of electromagnetic data storage system based on PIC32, primarily of touch liquid crystal display unit, and high-accuracy data acquisition unit, Main Control Unit PIC32, real time clock unit, Temperature Humidity Sensor unit and storage unit composition, storage unit supports USB storage and SD card.This system middle controller unit PIC32 as the control core of whole digital data recording system, by accuracy data collecting unit gather data by unit records in storage medium; Touch liquid crystal display unit realizes man-machine interaction; Real time clock unit and Temperature Humidity Sensor unit provide time, ambient temperature and humidity data respectively; The utility model supports that USB storage and SD card combine as storage medium, image data double copies, prevent the loss of data in field acquisition process, external USB storage can unnecessary dismounting instrument, the derivation of data can be completed, meet field electromagnetic data and store small size, Large Copacity and easy requirement.
Description
Technical field
The utility model relates to data-storage system, is specifically related to a kind of electromagnetic data storage system based on PIC32.
Background technology
At geological exploration field, Geological data collecting system usually works in field and needs acquisition and recording mass data for a long time, as in Transient Electromagnetic Receiver in the wild data acquisition system (DAS) process, the parameters such as the voltage needing continuous non-volatile recording a large amount of, electric current and time, therefore the data storage cell of field condition is an one important component part.Along with improving constantly of acquisition system picking rate, it also constantly increases the speed of mobile storage and capacity, adopts the more fragile easy damage of hard disk, and there is volume, weight, heating problem.The data developed into being the Portable movable storage of representative with USB storage, SD card etc. store and exchange provides new storage medium.
Summary of the invention
The purpose of this utility model is to provide a kind of electromagnetic data storage system based on PIC32, can in applied geology data acquisition instrument, and the operating time time stores the needs of data in the wild to realize this quasi-instrument.
In order to realize above-mentioned functions, technical solution adopted in the utility model is:
Based on an electromagnetic data storage system of PIC32, primarily of touch liquid crystal display unit, high-accuracy data acquisition unit, Main Control Unit PIC32, storage unit, real time clock unit, the several part composition of Temperature Humidity Sensor unit; Described Main Control Unit PIC32 is the control core of system; Described high-accuracy data acquisition unit is electrically connected with described Main Control Unit PIC32 is two-way; Described touch liquid crystal display unit is electrically connected with described Main Control Unit PIC32 is two-way; Described storage unit is electrically connected with described Main Control Unit PIC32 is two-way; Described real time clock unit is electrically connected with described Main Control Unit PIC32 is two-way; Described Temperature Humidity Sensor unit is all electrically connected with described Main Control Unit PIC32 is two-way.
The above storage unit comprises SD card memory and USB storage; SD card memory volume is little, capacity large, does not take the volumetric spaces of Instrument Design, is convenient to the miniaturization of instrument, portable design; The interface of described Main Control Unit PIC32 and described SD card memory adopts spi bus, and RD9, RD0, RD10 and the RC4 pin of described Main Control Unit PIC32 are connected with CD, CMD, CLK and DAT0 of SD card memory socket respectively; RG3, RG2 pin of described Main Control Unit PIC32 is connected with D-and the D+ of described USB memory disc socket respectively.
The USB storage that the above storage unit is external, jumbo USB storage, when system is in idle condition, automatically by the data backup in SD card to USB storage, realize the double copies of image data, not the losing of data ensureing to gather, to be uncovered.
The above Main Control Unit PIC32 reads real-time time or the calendar of chip PCF8563 in described real-time clock by I2C bus; 5th pin of PCF8563 and the 6th pin are respectively by 4.7k Ω resistance pull-up and be connected with RA3 and the RA2 pin of described Main Control Unit PIC32 microcontroller, 3rd pin of PCF8563 is connected with the RA4 of described Main Control Unit PIC32, and the 8th pin VDD and the 3.3V of PCF8563 and 3V button cell standby power supply connect.
The touch screen of the above touch liquid crystal display unit adopts resistance type touch control screen, and it is 65K look 8 inch industrial serial ports screen.
The utility model is based on the electromagnetic data storage system of PIC32, and compared with prior art, tool has the following advantages:
1, the utility model is based on the electromagnetic data storage system of PIC32, adopt microcontroller PIC32, its inner integration USB OTG interface etc. enriches peripheral hardware resource, and single chip microcontroller can realize read-write USB mass storage, SD card, simplify periphery design, reduce system power dissipation and volume;
2, the electro-magnetic receiver of field work is positioned over field, and requirement can work long hours with power autonomous, therefore has higher requirement to the power consumption of system; The microcontroller PIC32 that the utility model system adopts, real-time timepiece chip, Temperature Humidity Sensor are all small size, low-power chip, and installation footprint is little, and system works power supply can adopt powered battery, are applicable to the application of field movable occasion;
3, the utility model is for the designing requirement of the small size of field studies, Large Copacity, light, high stability, SD card and USB storage is adopted to be combined as storage medium, SD card is as storage medium, SD card amass little, capacity is large, do not take the volumetric spaces of Instrument Design, be convenient to the miniaturization of instrument, portable design; External USB storage, supports jumbo USB storage.External USB storage, supports jumbo USB storage, when system is in idle condition, automatically by the data backup in SD card to USB storage, realize the double copies of image data.
Accompanying drawing explanation
Fig. 1 is the one-piece construction block diagram of the utility model based on the electromagnetic data storage system of PIC32.
To be the utility model block and USB memory disc interface circuit based on electromagnetic data storage system PIC32 and the SD of PIC32 Fig. 2.
Fig. 3 is the utility model based on the electromagnetic data storage system PIC32 of PIC32 and real-time timepiece chip interface circuit.
Embodiment
In order to make the purpose of this utility model, technical scheme and creation characteristic clearly understand, below in conjunction with drawings and Examples, the utility model is described in further detail.
The utility model is as shown in Figure 1 based on the one-piece construction block diagram of the electromagnetic data storage system of PIC32, a kind of electromagnetic data storage system based on PIC32, primarily of touch liquid crystal display unit, high-accuracy data acquisition unit, Main Control Unit PIC32, storage unit, real time clock unit, Temperature Humidity Sensor unit forms, and storage unit supports USB storage and SD card; Touch liquid crystal display unit realizes man-machine interaction, the process of control data record, and reads the data of record and show, the resistance type touch control screen that touch screen adopts, and it is 65K look 8 inch industrial serial ports screen; High-accuracy data acquisition unit completes the collection of data, and the data of collection are delivered to PIC32 internal RAM space; Main Control Unit PIC32, as the control core of whole digital data recording system, completes the control of data recording process, and the high feature strong with antijamming capability of reliability makes PIC32 be applicable to the rugged surroundings in field, improves the stability of system works; Storage unit comprises USB storage and SD card; Real time clock unit provides the temporal information of data record, the data file of storage with the name of real-time system time, and in file content the also information such as joining day stamp, facilitate multiple file post-processed; The temperature and humidity of Temperature Humidity Sensor unit inspection external environment, and be recorded in file content, the process for the later stage provides the external environmental information of data acquisition.
During whole system work, high-accuracy data acquisition unit completes the collection of electromagnetic data, and the data of collection are sent to Main Control Unit PIC32, Main Control Unit PIC32 is as the control core of data-storage system, complete the control of the storing process of image data, read the data of real time clock unit, humiture unit, and realize man-machine interaction with touch liquid crystal display unit, the microprocessor of Main Control Unit PIC32 specifically adopts model to be PIC32MX795.
Be below the working method of each module:
Main Control Unit PIC32 of the present utility model and SD card memory and USB memory disc interface circuit figure as shown in Figure 2; Wherein the interface of Main Control Unit PIC32 and SD card memory adopts spi bus, and RD9, RD0, RD10 and the RC4 pin of Main Control Unit PIC32 are connected with CD, CMD, CLK and DAT0 of SD card memory socket respectively; RG3, RG2 pin of Main Control Unit PIC32 is connected with D-and the D+ of USB memory disc socket respectively.
Main Control Unit PIC32 of the present utility model and real-time timepiece chip interface circuit figure, Main Control Unit PIC32 read the real-time time/calendar of real-time clock/calendar chip PCF8563 by I2C bus as shown in Figure 3; PCF8563 is the extremely low power dissipation multifunction timepiece/calendar chip of a technical grade, is widely used in the product such as portable instrument, battery supply; Export because PCF8563 belongs to open-drain, need external pull-up resistor, thus ensure bus under normal conditions in high level; Wherein, 5th pin of PCF8563 and the 6th pin are respectively by 4.7k Ω resistance pull-up and be connected with RA3 and the RA2 pin of Main Control Unit PIC32 microcontroller, 3rd pin of PCF8563 is connected with the RA4 of Main Control Unit PIC32, and the 8th pin VDD and the 3.3V of PCF8563 and 3V button cell standby power supply connect.
The utility model is described by accompanying drawing, when not departing from the utility model scope, various conversion and equivalent replacement can also be carried out to the utility model patent, therefore, the utility model patent is not limited to disclosed specific implementation process, and should comprise the whole embodiments fallen within the scope of the utility model Patent right requirement.
Claims (5)
1. based on an electromagnetic data storage system of PIC32, it is characterized in that: described system is primarily of touch liquid crystal display unit, high-accuracy data acquisition unit, Main Control Unit PIC32, storage unit, real time clock unit, the several part composition of Temperature Humidity Sensor unit; Described Main Control Unit PIC32 is the control core of system; Described high-accuracy data acquisition unit is electrically connected with described Main Control Unit PIC32 is two-way; Described touch liquid crystal display unit is electrically connected with described Main Control Unit PIC32 is two-way; Described storage unit is electrically connected with described Main Control Unit PIC32 is two-way; Described real time clock unit is electrically connected with described Main Control Unit PIC32 is two-way; Described Temperature Humidity Sensor unit is all electrically connected with described Main Control Unit PIC32 is two-way.
2. a kind of electromagnetic data storage system based on PIC32 according to claim 1, is characterized in that: described storage unit comprises SD card memory and USB storage; The interface of described Main Control Unit PIC32 and described SD card memory adopts spi bus, and RD9, RD0, RD10 and the RC4 pin of described Main Control Unit PIC32 are connected with CD, CMD, CLK and DAT0 of SD card memory socket respectively; RG3, RG2 pin of described Main Control Unit PIC32 is connected with D-and the D+ of described USB memory disc socket respectively.
3. a kind of electromagnetic data storage system based on PIC32 according to claim 1, it is characterized in that: the USB storage that described storage unit is external, it is jumbo USB storage, when system is in idle condition, automatically by the data backup in SD card to USB storage, realize the double copies of image data, not the losing of data ensureing to gather, to be uncovered.
4. a kind of electromagnetic data storage system based on PIC32 according to claim 1, is characterized in that: described Main Control Unit PIC32 reads real-time time or the calendar of chip PCF8563 in described real-time clock by I2C bus; 5th pin of PCF8563 and the 6th pin are respectively by 4.7k Ω resistance pull-up and be connected with RA3 and the RA2 pin of described Main Control Unit PIC32 microcontroller, 3rd pin of PCF8563 is connected with the RA4 of described Main Control Unit PIC32, and the 8th pin VDD and the 3.3V of PCF8563 and 3V button cell standby power supply connect.
5. a kind of electromagnetic data storage system based on PIC32 according to claim 1, is characterized in that: the touch screen of described touch liquid crystal display unit adopts resistance type touch control screen, and it is 65K look 8 inch industrial serial ports screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600445.9U CN204101747U (en) | 2014-10-17 | 2014-10-17 | A kind of electromagnetic data storage system based on PIC32 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420600445.9U CN204101747U (en) | 2014-10-17 | 2014-10-17 | A kind of electromagnetic data storage system based on PIC32 |
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| CN204101747U true CN204101747U (en) | 2015-01-14 |
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| CN201420600445.9U Expired - Fee Related CN204101747U (en) | 2014-10-17 | 2014-10-17 | A kind of electromagnetic data storage system based on PIC32 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196979A (en) * | 2017-12-28 | 2018-06-22 | 北京小度信息科技有限公司 | Data back up method and device |
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2014
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196979A (en) * | 2017-12-28 | 2018-06-22 | 北京小度信息科技有限公司 | Data back up method and device |
| CN108196979B (en) * | 2017-12-28 | 2021-07-09 | 北京星选科技有限公司 | Data backup method and device |
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| Date | Code | Title | Description |
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| 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: 20150114 Termination date: 20151017 |
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| EXPY | Termination of patent right or utility model |