CN202975766U - Data acquisition system of high-precision portable data acquisition instrument - Google Patents
Data acquisition system of high-precision portable data acquisition instrument Download PDFInfo
- Publication number
- CN202975766U CN202975766U CN2012206945985U CN201220694598U CN202975766U CN 202975766 U CN202975766 U CN 202975766U CN 2012206945985 U CN2012206945985 U CN 2012206945985U CN 201220694598 U CN201220694598 U CN 201220694598U CN 202975766 U CN202975766 U CN 202975766U
- Authority
- CN
- China
- Prior art keywords
- data acquisition
- circuit
- microcontroller
- acquisition system
- data
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Recording Measured Values (AREA)
Abstract
The utility model provides a data acquisition system of a high-precision portable data acquisition instrument, aims to solve the problem that the existing universal data acquisition systems cannot realize high-precision data acquisition and mass data storage and relates to the technical field of data acquisition. The data acquisition system comprises a microcontroller. A signal input end of the microcontroller is connected with a power supply circuit, a clock circuit, a reset circuit, an AD (analog to digital) converting circuit and a debugging interface respectively. A signal output end of the microcontroller is connected with a display module and a keyboard circuit respectively. The microcontroller further connected with a communication module bidirectionally. A signal input end of the AD converting circuit is connected with a signal processing circuit. By the data acquisition system, functions such as high-precision acquisition, display, communication with upper computers and portable storage of data are achieved. The portable storage function is achieved by USB (universal serial bus) interface expansion, and timely and effective storage protection can be performed to acquired data. The data acquisition system has better instantaneity, and brings convenience for system expansion and updating.
Description
Technical field
The utility model relates to the data acquisition technology field, relates in particular to a kind of data acquisition system (DAS) of high-accuracy portable data collecting instrument.
Background technology
Along with the arriving of digital times, Digital Signal Processing has been penetrated into the every aspect of people's life, in the every field of chemical industry, medical science, industry and scientific research, all must detect and process corresponding signal.The analog signal conversion that people send sensor here according to sampling thheorem usually is digital signal, then these digital signals are processed.Data acquisition can be described as the core of digital signal processing, the directly ensuing work of impact of the quality of data acquisition.The purpose of data acquisition is to detect electric weight or physical quantity, such as voltage, electric current, temperature, pressure, liquid level etc.A complete data acquisition system (DAS) should comprise sensor, signal condition, data processing chip and software etc.The progress of the development of society and science and technology makes Digital Signal Processing intelligent more and more higher, and real-time is also become better and better, and precision and the speed of data acquisition are also more and more higher, and the data acquisition system is had higher requirement.All need to carry out high-precision data acquisition such as a lot of occasions such as radar measurement system, aerospace navigation, medical image.Need at these that in system of high-acruracy survey, measurement result is a small discrepancy leading to great error.Except the basic function that data are gathered, also must realize several functions pattern, multiple range ability, different control methods etc. for different industries field, different acquisition environment.In addition, along with the develop rapidly of electronic technology, portable solution begins to occupy increasing proportion in data acquisition, and more and more begins to tend to low-voltage, low-power consumption, miniaturized design.Therefore the data collecting instrument type of table more and more many, renewal speed is also more and more faster.General data acquisition system (DAS) can not satisfy special occasion.At present, the design of high-accuracy portable data collector is a main direction of studying of data collecting field, and the high precision collecting of data and mass memory are the data collecting field problem demanding prompt solutions.
The utility model content
The purpose of this utility model is to provide a kind of data acquisition system (DAS) of high-accuracy portable data collecting instrument, can not realize the problem of high precision collecting and the mass memory of data to solve present general data acquisition system (DAS).
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of data acquisition system (DAS) of high-accuracy portable data collecting instrument, it is characterized in that: comprise microcontroller, the signal input part of microcontroller connects respectively power circuit, clock circuit, reset circuit, A/D convertor circuit and debugging interface, the signal output part of described microcontroller connects respectively display module and keyboard circuit, described microcontroller also is connected with communication module is two-way, and the signal input part of described A/D convertor circuit connects signal conditioning circuit.
The utility model utilizes the AD converter ADS1255 of 24 precision to carry out analog to digital conversion, has completed communication function with host computer by ethernet module, has completed the USB flash disk memory function by the USB interface of LPC2388 is expanded in addition.
The utility model realized to signal high precision collecting, demonstration, communicate by letter with host computer and the function such as portable storage.And expand by USB interface and realize the portable storage function, realize to the data that gather carry out in time, effective memory protection; Acquisition system has better real-time, and expansion and the upgrading for system simultaneously provides convenience, and move on different processor for same program provide may.
Description of drawings
Fig. 1 is system schematic of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiments and the drawings, further set forth the utility model.
As shown in Figure 1, a kind of data acquisition system (DAS) of high-accuracy portable data collecting instrument, comprise microcontroller, the signal input part of microcontroller connects respectively power circuit, clock circuit, reset circuit, A/D convertor circuit and debugging interface, the signal output part of described microcontroller connects respectively display module and keyboard circuit, described microcontroller also is connected with communication module is two-way, and the signal input part of described A/D convertor circuit connects signal conditioning circuit.
The utility model utilizes the AD converter ADS1255 of 24 precision to carry out analog to digital conversion, has completed communication function with host computer by ethernet module, has completed the USB flash disk memory function by the USB interface of LPC2388 is expanded in addition.
Above demonstration and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions is only preference of the present utility model; be not used for limiting the utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. the data acquisition system (DAS) of a high-accuracy portable data collecting instrument, comprise microcontroller, it is characterized in that: the signal input part of microcontroller connects respectively power circuit, clock circuit, reset circuit, A/D convertor circuit and debugging interface, the signal output part of described microcontroller connects respectively display module and keyboard circuit, described microcontroller also is connected with communication module is two-way, and the signal input part of described A/D convertor circuit connects signal conditioning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206945985U CN202975766U (en) | 2012-12-14 | 2012-12-14 | Data acquisition system of high-precision portable data acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206945985U CN202975766U (en) | 2012-12-14 | 2012-12-14 | Data acquisition system of high-precision portable data acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975766U true CN202975766U (en) | 2013-06-05 |
Family
ID=48516819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206945985U Expired - Fee Related CN202975766U (en) | 2012-12-14 | 2012-12-14 | Data acquisition system of high-precision portable data acquisition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975766U (en) |
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 |
-
2012
- 2012-12-14 CN CN2012206945985U patent/CN202975766U/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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203949716U (en) | A kind of digital weighing sensor | |
| CN105790763A (en) | Six-channel analog to digital conversion module based on PC104 bus | |
| CN201795814U (en) | Integrated temperature and humidity monitoring device | |
| Jiannong et al. | The common data acquisition system based on Arm9 | |
| CN202975766U (en) | Data acquisition system of high-precision portable data acquisition instrument | |
| CN203275482U (en) | Data acquisition card of virtual oscilloscope | |
| CN201725004U (en) | Portable GIS local discharge detection system | |
| Gong et al. | Multi-channel wireless A/D acquisition system based on NRF24L01 and LabView | |
| CN203133603U (en) | A building structure health monitoring system | |
| Yu et al. | Development of ARM-based embedded system for robot applications | |
| CN201435072Y (en) | Universal data acquisition unit based on USB interface | |
| CN201569925U (en) | Temperature detecting and controlling system | |
| Wang et al. | The design of wireless air mouse based on LPC54100 | |
| CN205692160U (en) | The detection of main passive sensor multimodal information and information fusion technology emulation platform | |
| CN201892601U (en) | Novel intelligent pressure sensor | |
| CN203794380U (en) | Special elevator LCD display controller based on STM8S chip | |
| Min et al. | Design of Industrial Control Data Acquisition System Based on Embedded System | |
| CN203300647U (en) | Integrated chip and mainboard | |
| CN202453713U (en) | Wireless network heat analysis monitoring system | |
| Tan et al. | A high-speed data acquisition card based on USB bus | |
| CN203759113U (en) | Transformer load acquisition device | |
| CN203366327U (en) | Novel 64-channel data acquisition system | |
| CN203250164U (en) | BCD code conversion device | |
| Jinhong | A data acquisition system of surface roughness based on USB | |
| CN202885846U (en) | Intelligent integrated reading device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131214 |