CN204116859U - A kind of Portable data acquisition instrument - Google Patents
A kind of Portable data acquisition instrument Download PDFInfo
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- CN204116859U CN204116859U CN201420455049.1U CN201420455049U CN204116859U CN 204116859 U CN204116859 U CN 204116859U CN 201420455049 U CN201420455049 U CN 201420455049U CN 204116859 U CN204116859 U CN 204116859U
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- module
- acquisition instrument
- dsp
- data acquisition
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Abstract
The utility model relates to a kind of Portable data acquisition instrument.This Acquisition Instrument comprises DSP module, Signal-regulated kinase, LCD MODULE and GPRS module, and described Signal-regulated kinase, LCD MODULE and GPRS module are electrically connected with DSP module respectively.The utility model take DSP as core, adopts Signal-regulated kinase as signal condition prime, enhances versatility; Adopt LCD MODULE, the menu management and the image data that achieve system show in real time, and connect GPRS module, realize carrying out data communication with data processing centre's main frame, reach the effect of teledata real-time Transmission and monitoring.
Description
Technical field
The utility model relates to electronic device field, particularly relates to Portable data acquisition instrument.
Background technology
When carrying out data acquisition in the wild, if bad environments, then large-scale instrument is just inconvenient to carry and use.For carrying out record and the analysis of various data, can Portable Data Collection Instrument be adopted, first data being carried out record and storing, then taking back laboratory and process again, can cost-saving and expense to a great extent.But when the data volume gathered is comparatively large or need remote monitoring, just requirement is improve to the timely transmission of data.
Utility model content
The purpose of this utility model is to provide a kind of Portable data acquisition instrument that can overcome above defect.
For achieving the above object, the utility model provides a kind of Portable data acquisition instrument.This Acquisition Instrument comprises DSP module, Signal-regulated kinase, LCD MODULE and GPRS module, DSP module be used for signals collecting, data processing, with the transmission of GPRS module data with control LCD MODULE and carry out liquid crystal display; Signal-regulated kinase is electrically connected with DSP module, and the common mode voltage for the differential signal inputted by sensor converts a single-ended signal to, and sends into DSP module after being amplified by the single-ended signal after conversion; GPRS module is electrically connected with DSP module, for sending the data after DSP module process to data processing centre's main frame, realizes teledata real-time Transmission and monitoring; LCD MODULE is electrically connected with DSP module, for showing the data after DSP module process in real time.
Preferably, described DSP module adopts TMS320LF2407 chip.
Preferably, described Signal-regulated kinase adopts LTC6915 chip.
Preferably, described LCD MODULE adopts graphic dot matrix chip of LCD LCM12832ZK.
Preferably, described GPRS module adopts Sony Ericsson GR47.
Preferably, described Portable data acquisition instrument also comprises Keysheet module, and it is electrically connected with DSP module, for described GPRS module Data Transmission Controlling, startup, time-out and stopping.
Preferably, described Portable data acquisition instrument also comprises alarm module, and it is electrically connected with DSP module, and described alarm module comprises hummer and light emitting diode.
Preferably, described Portable data acquisition instrument also comprises and also comprises power module, and it is electrically connected with DSP module, for DSP module is powered.
Preferably, described Portable data acquisition instrument also comprises independent clock module, and it is electrically connected with DSP module, and described independent clock module adopts the clip of real-time clock X1203, for recording the time of image data.
Preferably, described Portable data acquisition instrument also comprises and also comprises memory module, and it is electrically connected with DSP module, for storing the data after DSP module process.
The utility model take DSP as core, adopts Signal-regulated kinase as signal condition prime, enhances versatility; Adopt LCD MODULE, the menu management and the image data that achieve system show in real time, and connect GPRS module, realize carrying out data communication with data processing centre's main frame, reach the effect of teledata real-time Transmission and monitoring.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the Portable data acquisition instrument according to the utility model embodiment.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the structured flowchart of the Portable data acquisition instrument according to the utility model embodiment.
As shown in Figure 1, the Portable data acquisition instrument of this embodiment comprises: sensor, Signal-regulated kinase, DSP module, LCD MODULE, GPRS module, memory module, independent clock module, power module and alarm module.
DSP module adopts TMS320LF2407 chip, the structure that the inside employing program of chip and data are separated, there is special hardware multiplier, extensive employing stream line operation, special DSP instruction is provided, can be used to realize various digital signal processing algorithm rapidly, the TMS320LF2407 chip in the present embodiment, the core of whole instrument, the collection of main settling signal, data processing, liquid crystal display, data transmission with GPRS, Keyboard management and various controlling functions.
Signal-regulated kinase is electrically connected with DSP module, during for solving operation in the wild, the signal level that sensor exports is low, internal resistance is high and by the problem of common-mode voltage influences, consider these problems, select the precision instrument amplifier LTC6915 of programmable-gain, it has 14 grades of programmable-gains (0, 1, 2, 4, 8, 16, 64, 128, 256, 512, 1024, 2048, 4096), employing track to track exports, gain is arranged by the SPI module of DSP, the common mode voltage of the differential signal that sensor mainly inputs by the Signal-regulated kinase in the present embodiment converts a single-ended signal to, and send into DSP module after being amplified by the single-ended signal after conversion.
Memory module is electrically connected with DSP module, for storing the data after DSP module process.For the ease of data when debugging and save routine operation, the system extension program space of 64K and the data space of 64K.TMS320LF2407 chip exterior bus interface only supports the direct access to SRAM, therefore have employed CY7C1021, and it is a kind of high-speed cmos SRAM, and capacity is 64K*16, i.e. 1M bit.
LCD MODULE is electrically connected with DSP module, and it adopts dot matrix LCD module LCM12832ZK, has serial/parallel interface, inside containing Chinese word library, 128*32 matrix liquid-crystal display screen, built-in ST7920 control/driver; Adopt LED-backlit, there is 2.7-5.5 wide operating voltage range, also there is sleep, normal and low power mode of operation, the requirement of the various operating voltage of system and portable low power-consumption can be met.
GPRS module is electrically connected with DSP module, adopts the GR47 of Sony Ericsson, by GPRS, HSCSD, CSD and SMS transceiving data.The data that instrument sends are packaged into IP bag one by one by GR47, through GPRS air interface access of radio network, then are transferred to Internet by Information Mobile Service business, finally arrive unified data processing centre (DPC) with the various gateway in various countries and route.
Keysheet module is electrically connected with DSP module, adopts the external input keyboard of 5*5, be mainly used to do sampling channel select and switch, the functional switch such as Data Transmission Controlling, startup, time-out, stopping between gain-adjusted and GR47.Independent clock module adopts X1203, and it is real-time calendar chip all the time, is mainly used in the time of recording image data.Adopt 5V powered battery, and select TPS7333 to realize the voltage transitions of 5V to 3.3V, power to DSP.Alarm module adopts hummer and light emitting diode, assists operating personnel's work.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Portable data acquisition instrument, is characterized in that, comprises DSP module, Signal-regulated kinase, LCD MODULE and GPRS module,
DSP module be used for signals collecting, data processing, with the transmission of GPRS module data with control LCD MODULE and carry out liquid crystal display;
Signal-regulated kinase is electrically connected with DSP module, and the common mode voltage for the differential signal inputted by sensor converts a single-ended signal to, and sends into DSP module after being amplified by the single-ended signal after conversion;
GPRS module is electrically connected with DSP module, for sending the data after DSP module process to data processing centre's main frame, realizes teledata real-time Transmission and monitoring;
LCD MODULE is electrically connected with DSP module, for showing the data after DSP module process in real time.
2. Portable data acquisition instrument according to claim 1, is characterized in that, described DSP module adopts TMS320LF2407 chip.
3. Portable data acquisition instrument according to claim 1, is characterized in that, described Signal-regulated kinase adopts LTC6915 chip.
4. Portable data acquisition instrument according to claim 1, is characterized in that, described LCD MODULE adopts graphic dot matrix chip of LCD LCM12832ZK.
5. Portable data acquisition instrument according to claim 1, is characterized in that, described GPRS module adopts Sony Ericsson GR47.
6. Portable data acquisition instrument according to claim 1, is characterized in that, also comprises Keysheet module, and it is electrically connected with DSP module, for described GPRS module Data Transmission Controlling, startup, time-out and stopping.
7. Portable data acquisition instrument according to claim 1, is characterized in that, also comprises alarm module, and it is electrically connected with DSP module, and described alarm module comprises hummer and light emitting diode.
8. Portable data acquisition instrument according to claim 1, is characterized in that, also comprises power module, and it is electrically connected with DSP module, for DSP module is powered.
9. Portable data acquisition instrument according to claim 1, is characterized in that, also comprise independent clock module, it is electrically connected with DSP module, and described independent clock module adopts the clip of real-time clock X1203, for recording the time of image data.
10. Portable data acquisition instrument according to claim 1, is characterized in that, also comprises memory module, and it is electrically connected with DSP module, for storing the data after DSP module process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455049.1U CN204116859U (en) | 2014-08-12 | 2014-08-12 | A kind of Portable data acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455049.1U CN204116859U (en) | 2014-08-12 | 2014-08-12 | A kind of Portable data acquisition instrument |
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| Publication Number | Publication Date |
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| CN204116859U true CN204116859U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420455049.1U Expired - Fee Related CN204116859U (en) | 2014-08-12 | 2014-08-12 | A kind of Portable data acquisition instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133411A (en) * | 2014-08-12 | 2014-11-05 | 江苏艾倍科科技有限公司 | Portable data acquisition instrument |
-
2014
- 2014-08-12 CN CN201420455049.1U patent/CN204116859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133411A (en) * | 2014-08-12 | 2014-11-05 | 江苏艾倍科科技有限公司 | Portable data acquisition instrument |
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Legal Events
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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: 20150121 Termination date: 20170812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |