CN202229776U - Dynamic signal test device of a secure digital card - Google Patents
Dynamic signal test device of a secure digital card Download PDFInfo
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- CN202229776U CN202229776U CN2011202737226U CN201120273722U CN202229776U CN 202229776 U CN202229776 U CN 202229776U CN 2011202737226 U CN2011202737226 U CN 2011202737226U CN 201120273722 U CN201120273722 U CN 201120273722U CN 202229776 U CN202229776 U CN 202229776U
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- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model relates to a dynamic signal test device of a secure digital card, comprising a controllable bridge voltage, a sensor and a program-controlled signal amplifier. The controllable bridge voltage, the sensor, the program-controlled signal amplifier, an analog filter, a 16-bit analog/digital converter are connected in series to form a signal front-end process part; a subtractor and a 16-bit digital/analog converter are connected in series and then connected with a comparator in parallel to form a balance circuit; a DSP data processor and an SD card storage module are connected with the 16-bit analog/digital converter in parallel; another ends of the DSP data processor and the SD card storage module are connected with a UART/USB in parallel; the UART/USB, a USB data transmitter and a computer signal test analysis software are connected in series; the computer signal test analysis software, the USB data transmitter, the UART/USB, a single-chip microcomputer and the controllable bridge voltage are connected in series, a controllable bridge circuit is controlled by the single-chip microcomputer and provides an operation voltage to the sensor; the program-controlled signal amplifier, the subtractor and the 16-bit digital/analog converter are connected in series and the comparator, the 16-bit analog/digital converter, the DSP data processor and the SD card storage module are connected in parallel to the single-chip microcomputer. The SD card is used to replace the conventional memory (RAM), so as to store the data during the high-speed sampling process, greatly reduce the cost and simultaneously greatly increase the capacity of the built-in memory of the device.
Description
Technical field:
The utility model relates to a kind of Dynamic Signal test macro, relates in particular to a kind of safe digital card Dynamic Signal proving installation.
Background technology:
Along with the continuous development of science and technology, for changing very fast transient signal or high-frequency signal, impact acceleration, burst pressure signal etc., the number of times of testing is more and more, like vehicle impact testing etc.; Because data volume is very big in a flash, and the time often is exactly in a flash, data have little time to be transferred to computer through the usb interface; Simultaneously, SF can reduce along with the increase of measuring point during traditional continuous sampling, and for example instrument 8 passages are sampled simultaneously, and every channel sample frequency is 128k/s; Be increased to 16 passages and gather simultaneously, every channel sample frequency can be reduced to 64 k/s.At this moment in order to guarantee sample rate and precision, often instrument internal built-in internal memory (RAM), the data that will gather moment are temporarily deposited in earlier in the internal memory (RAM).The built-in internal memory of traditional strainmeter (RAM) is smaller, have only about 1MB usually, and if the increase internal memory just must increase chipset, cost will be very high.SD card (Secure Digital Memory Card) translator of Chinese is a safe digital card; It is a kind of memory device of new generation of based semiconductor fast-flash memory device; It is widely used on the mancarried device and uses, for example digital camera, personal digital assistant (PDA) and multimedia player etc.The SD card is developed in August, 1999 by PANASONIC, Toshiba and U.S. SanDisk company jointly.Size is just as the SD memory card of a stamp; Weight has only 2 grams; But have high memory capacity, rapid data transmission rate, move dirigibility and well security greatly, SD card at a high speed can transmit 66x (10 MB/ second) and 133x or higher speed.Price is cheaply a lot of than convential memory simultaneously, and capacity reaches as high as 10G even higher.
Summary of the invention:
The purpose of the utility model will provide a kind of safe digital card Dynamic Signal proving installation exactly, and it can overcome the problem of traditional existing above data storage of sampling apparatus.The purpose of the utility model is to realize like this; Safe digital card Dynamic Signal proving installation; Comprise that controlled confession bridge voltage, sensor, program control signal amplifier form; It is characterized in that: controlled confession bridge voltage, sensor, program control signal amplifier, analog filter, 16 analog-to-digital converters are connected in proper order, form the signal front-end processing part; Subtracter, 16 bit digital to analog converter order series connection and parallelly connected with comparer, the Compositional balance circuit; DSP data processing, SD card memory module are parallel to 16 analog-to-digital converters, and the other end of DSP data processing, SD card memory module is parallel to UART changes USB; UART commentaries on classics USB, usb data transmission, Computer signal test analysis software are connected in proper order; Computer signal test analysis software, usb data transmission, UART commentaries on classics USB, single-chip microcomputer, controlled confession bridge voltage are connected in proper order, through the controlled confession bridge circuit of Single-chip Controlling working sensor voltage are provided; Program control signal amplifier, subtracter are connected with 16 bit digital to analog converter, comparer, 16 analog-to-digital converters, DSP data processing, SD card memory modules are parallel to single-chip microcomputer.The utility model adopts the SD card to substitute convential memory (RAM), and the data storage in the time of can satisfying high-speed sampling greatly reduces cost again, simultaneously, has improved the capacity of the built-in storage of instrument greatly.
Description of drawings:
Fig. 1 is the utility model line construction synoptic diagram;
1. controlled confession bridge voltage, 2. sensor, 3. program control signal amplifier, 4. analog filter; 5. subtracter, 6. 16 bit digital are to analog converter, 7. comparer, 8. 16 analog-to-digital converters; 9. DSP data processing, 10. single-chip microcomputer, 11. SD card memory modules; 12. UART changes USB, the transmission of 13. usb datas, 14. Computer signal test analysis softwares.
Embodiment: the utility model is described further below in conjunction with accompanying drawing;
Safe digital card Dynamic Signal proving installation; Comprise controlled confession bridge voltage 1, sensor 2,3 compositions of program control signal amplifier; It is characterized in that: controlled confession bridge circuit 1, sensor 2, program control signal amplifier 3, the 8 order series connection of 4,16 analog-to-digital converters of analog filter, form the signal front-end processing part; The 6 order series connection and parallelly connected of subtracter 5,16 bit digital to analog converters with comparer 7, the Compositional balance circuit; DSP data processing 9, SD card memory module 11 are parallel to 16 analog-to-digital converters 8, and the other end of DSP data processing 9, SD card memory module 11 is parallel to UART changes USB12; UART changes USB12, usb data transmission 13, the 14 order series connection of Computer signal test analysis software; Computer signal test analysis software 14, usb data transmission 13, UART change USB12, single-chip microcomputer 10, the 1 order series connection of controlled confession bridge circuit, through the controlled confession bridge voltage 1 of Single-chip Controlling working sensor voltage are provided; Program control signal amplifier 3, subtracter 5 are connected with 16 bit digital to analog converter 6,7,16 analog-to-digital converters 8 of comparer, DSP data processing 9, SD card memory module 11 are parallel to single-chip microcomputer 10.During practical implementation,
The sensor power supply:Computer signal test analysis software at first changes USB through UART and gives single-chip microcomputer for an order, the controlled confession bridge circuit of single-chip microcomputer afterwards, and controlled confession bridge circuit output supplies bridge voltage to give sensor, for sensor provides WV.
Instrument internal voltage signal Balance Treatment:In this simultaneously, calculate the signal testing analysis software and send instruction to single-chip microcomputer through UART commentaries on classics USB, single-chip microcomputer is given 16 bit digital to analog converter transmission instruction again; Make 16 bit digital to analog converter output aanalogvoltage get into subtracter; Carry out computing, after comparing through comparer, transmission is ceased and desisted order to single-chip microcomputer again; Built-in voltage in the circuit is removed, avoided having influence on measuring-signal.
Signal acquisition process and storage:Sensor output signal is given the program control signal amplifier, and signal gets into analog filter, elimination irrelevant signal through after amplifying; Again through 16 analog-to-digital converters, convert useful signal to digital signal, signal is divided into two-way; One the road to the DSP data processing, and store to SD card memory module on another road, and the signal after the DSP digital processing carries out UART and changes USB; Transfer to Computer signal test analysis software through usb data, be presented on the acquisition software; Be stored in the data on the SD card memory module, after gathering completion, carry out UART and change USB, transfer to Computer signal test analysis software through usb data.
Claims (1)
1. safe digital card Dynamic Signal proving installation; Comprise that controlled confession bridge voltage (1), sensor (2), program control signal amplifier (3) form; It is characterized in that: controlled confession bridge voltage (1), sensor (2), program control signal amplifier (3), analog filter (4), the series connection of 16 analog-to-digital converters (8) order, form the signal front-end processing part; Subtracter (5), 16 bit digital to analog converter (6) order series connection and parallelly connected with comparer (7), the Compositional balance circuit; DSP data processing (9), SD card memory module (11) are parallel to 16 analog-to-digital converters (8), and the other end of DSP data processing (9), SD card memory module (11) is parallel to UART changes USB (12); UART changes USB (12), usb data transmission (13), the series connection of Computer signal test analysis software (14) order; Computer signal test analysis software (14), usb data transmission (13), UART change USB (12), single-chip microcomputer (10), the series connection of controlled confession bridge voltage (1) order, through the controlled confession bridge circuit of Single-chip Controlling (1) working sensor voltage are provided; Program control signal amplifier (3), subtracter (5) are connected with 16 bit digital to analog converter (6), comparer (7), 16 analog-to-digital converters (8), DSP data processing (9), SD card memory module (11) are parallel to single-chip microcomputer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202737226U CN202229776U (en) | 2011-07-30 | 2011-07-30 | Dynamic signal test device of a secure digital card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202737226U CN202229776U (en) | 2011-07-30 | 2011-07-30 | Dynamic signal test device of a secure digital card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229776U true CN202229776U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202737226U Expired - Fee Related CN202229776U (en) | 2011-07-30 | 2011-07-30 | Dynamic signal test device of a secure digital card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981085A (en) * | 2012-12-08 | 2013-03-20 | 江苏泰斯特电子设备制造有限公司 | Dynamic signal test and analysis system of universal serial bus interface |
-
2011
- 2011-07-30 CN CN2011202737226U patent/CN202229776U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981085A (en) * | 2012-12-08 | 2013-03-20 | 江苏泰斯特电子设备制造有限公司 | Dynamic signal test and analysis system of universal serial bus interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Test Electron Equipment Manufacturing Co., Ltd. Assignor: Shi Jie Contract record no.: 2013320000389 Denomination of utility model: Dynamic signal test device of a secure digital card Granted publication date: 20120523 License type: Exclusive License Record date: 20130427 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160712 Address after: 214500 No. 9, Middle Road, Gushan Road, Chengbei District, Jingjiang Economic Development Zone, Jiangsu Patentee after: Jiangsu Test Electron Equipment Manufacturing Co., Ltd. Address before: 214500, No. 9, Gushan Road, Chengbei zone, Jingjiang Economic Development Zone, Taizhou, Jiangsu Patentee before: Shi Jie |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20180730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |