CN205301898U - Novel portable signal acquisition device - Google Patents
Novel portable signal acquisition device Download PDFInfo
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- CN205301898U CN205301898U CN201520980918.7U CN201520980918U CN205301898U CN 205301898 U CN205301898 U CN 205301898U CN 201520980918 U CN201520980918 U CN 201520980918U CN 205301898 U CN205301898 U CN 205301898U
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- arm microprocessor
- novel portable
- processor
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Abstract
The utility model relates to a novel portable signal acquisition device comprises signal input module, signal filtering ware, signal amplifier, signal gain regulator, signal converter, digital signal processor, digital isolator, ARM microprocessor, storage module, terminal equipment, the signal input module be connected with the signal filtering ware, the signal filtering ware be connected with signal amplifier, signal amplifier be connected with the signal gain regulator, the signal gain regulator be connected with signal converter, signal converter be connected with digital signal processor, digital signal processor be connected with digital isolator, signal gain regulator, digital isolator be connected with ARM microprocessor, ARM microprocessor be connected with storage module, terminal equipment. The utility model discloses simple structure, reasonable in design, faint voltage signal is saved to the collection of low -power consumption for a long time, and transmission speed is fast, and stability is good, has fine practical spreading value.
Description
Technical field
This utility model belongs to signal pickup assembly field, especially a kind of Novel portable signal pickup assembly.
Background technology
Along with the progress of modern science and technology, signal pickup assembly has become as ingredient important in automatic test field, has a wide range of applications in signal processing fields such as radar, communication, observing and controlling, image procossing. Existing signal pickup assembly mainly adopts the dsp processor of Data acquisition and issuance, it is capable of fast signal acquisition and processes storage capacity, but the general interface of DSP of common low-power consumption is relatively simple, do not possess network general at present and USB interface, and the accurate acquisition to small-signal can not be realized. And adopt the signal pickup assembly of ARM microprocessor, and there is the general-purpose interface such as network of relatively horn of plenty, USB, serial ports etc.; But do not possess the DSP professional fast signal disposal ability having due to ARM, and the operating system power consumption that ARM microprocessor is run is bigger, it is impossible to meet long-term low power operation.
Summary of the invention
The purpose of this utility model is in that to overcome the deficiencies in the prior art, provide and a kind of DSP combined with ARM microprocessor, can the collection of low-power consumption for a long time store weak voltage signals, transmission speed is fast, the Novel portable signal pickup assembly of good stability.
This utility model solves it and technical problem is that and take techniques below scheme to realize:
A kind of Novel portable signal pickup assembly, being made up of signal input module, traffic filter, signal amplifier, signal gain actuator, signal adapter, digital signal processor, digital isolator, ARM microprocessor, memory module, terminal unit, described signal input module is connected with traffic filter; Described traffic filter is connected with signal amplifier; Described signal amplifier is connected with signal gain actuator; Described signal gain actuator is connected with signal adapter; Described signal adapter is connected with digital signal processor; Described digital signal processor is connected with digital isolator, signal gain actuator; Described digital isolator is connected with ARM microprocessor;Described ARM microprocessor is connected with memory module, terminal unit.
And, described ARM microprocessor includes ATMELAT9200ARM microprocessor chip, sdram memory chip, FLASH non-volatile memory chip, ethernet communication unit, USB interface, real-time timepiece chip, arm processor kernel power supply unit.
And, described digital signal processor adopts DSP.
And, described signal gain actuator adopts AD8512 transport and placing device.
And, described ARM microprocessor is connected with terminal unit by ZigBee cordless communication network and blue tooth radio network.
Advantage of the present utility model and having the benefit effect that
1, this utility model utilizes ARM microprocessor to be combined with DSP, and utilizes DSP and the respective advantage of ARM microprocessor to realize and meet various requirement small-signal acquisition process being stored and being derived analysis.
2, this utility model ARM microprocessor is connected with terminal unit by ZigBee cordless communication network and blue tooth radio network, and transmission speed is fast, and stability, promptness are better.
Accompanying drawing explanation
Fig. 1 is that this utility model structure connects block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model embodiment is further described:
As shown in Figure 1, a kind of Novel portable signal pickup assembly described in the utility model, being made up of signal input module, traffic filter, signal amplifier, signal gain actuator, signal adapter, digital signal processor, digital isolator, ARM microprocessor, memory module, terminal unit, described signal input module is connected with traffic filter; Described traffic filter is connected with signal amplifier; Described signal amplifier is connected with signal gain actuator; Described signal gain actuator is connected with signal adapter; Described signal adapter is connected with digital signal processor; Described digital signal processor is connected with digital isolator, signal gain actuator; Described digital isolator is connected with ARM microprocessor; Described ARM microprocessor is connected with memory module, terminal unit.
The analogue signal collected is transmitted to traffic filter by this utility model signal input module, analogue signal is filtered, is transferred to signal amplifier by traffic filter analogue signal, signal is amplified, it is ensured that signal is accurately clear. Signal gain actuator, adopts AD8512 transport and placing device to be used for realizing ratio discharge circuit, and it is adjustable that the signal passing ratio discharge circuit after amplification is realized signal gain. Signal adapter is incited somebody to action, and is used for realizing the conversion of difference modulus signal, scaling analog voltage signal is converted to serial digital signal. Digital data transmission after conversion is to digital signal processor, and DSP is for gathering, process the signal of analog digital conversion, and whether the amplitude of signal calculated is excessive and amplitude limit overflows or signal amplitude is too small, and controls interface and dynamically adjust signal gain; If signal amplitude is excessive, then low-power consumption DSP reduces the signal gain of ratio amplifier; If signal amplitude is too small, then low-power consumption DSP adds the signal gain of vast scale amplifier. Digital signal through digital signal processor processes is transmitted to ARM microprocessor by digital isolator, for the processor coordinating DSP collection data network or USB mode to be derived.Through ARM microprocessor, digital signal passes through ZigBee cordless communication network and blue tooth radio network by data information transfer to terminal unit, and information is stored by memory module. This utility model utilizes ARM microprocessor to be combined with DSP, and utilizes DSP and the respective advantage of ARM microprocessor to realize and meet various requirement small-signal acquisition process being stored and being derived analysis.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore this utility model is not limited to the embodiment described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, also belong to the scope of this utility model protection.
Claims (5)
1. a Novel portable signal pickup assembly, it is made up of signal input module, traffic filter, signal amplifier, signal gain actuator, signal adapter, digital signal processor, digital isolator, ARM microprocessor, memory module, terminal unit, it is characterised in that: described signal input module is connected with traffic filter; Described traffic filter is connected with signal amplifier; Described signal amplifier is connected with signal gain actuator; Described signal gain actuator is connected with signal adapter; Described signal adapter is connected with digital signal processor; Described digital signal processor is connected with digital isolator, signal gain actuator; Described digital isolator is connected with ARM microprocessor; Described ARM microprocessor is connected with memory module, terminal unit.
2. a kind of Novel portable signal pickup assembly according to claim 1, it is characterised in that: described ARM microprocessor includes ATMELAT9200ARM microprocessor chip, sdram memory chip, FLASH non-volatile memory chip, ethernet communication unit, USB interface, real-time timepiece chip, arm processor kernel power supply unit.
3. a kind of Novel portable signal pickup assembly according to claim 1, it is characterised in that: described digital signal processor adopts DSP.
4. a kind of Novel portable signal pickup assembly according to claim 1, it is characterised in that: described signal gain actuator adopts AD8512 transport and placing device.
5. a kind of Novel portable signal pickup assembly according to claim 1, it is characterised in that: described ARM microprocessor is connected with terminal unit by ZigBee cordless communication network and blue tooth radio network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980918.7U CN205301898U (en) | 2015-12-01 | 2015-12-01 | Novel portable signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980918.7U CN205301898U (en) | 2015-12-01 | 2015-12-01 | Novel portable signal acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301898U true CN205301898U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980918.7U Expired - Fee Related CN205301898U (en) | 2015-12-01 | 2015-12-01 | Novel portable signal acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205301898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204999A (en) * | 2016-12-20 | 2018-06-26 | 天津市军联科技有限公司 | Alcohol mental disorders short message alarm system based on AT89S52 microcontrollers |
-
2015
- 2015-12-01 CN CN201520980918.7U patent/CN205301898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204999A (en) * | 2016-12-20 | 2018-06-26 | 天津市军联科技有限公司 | Alcohol mental disorders short message alarm system based on AT89S52 microcontrollers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20181201 |