CN207557713U - Data signal acquisition system based on dsp processor - Google Patents
Data signal acquisition system based on dsp processor Download PDFInfo
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- CN207557713U CN207557713U CN201721486858.9U CN201721486858U CN207557713U CN 207557713 U CN207557713 U CN 207557713U CN 201721486858 U CN201721486858 U CN 201721486858U CN 207557713 U CN207557713 U CN 207557713U
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- dsp processor
- signal
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- data
- regulated kinase
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Abstract
The utility model discloses the data signal acquisition systems based on dsp processor,Data selector including dsp processor and its connection,Signal-regulated kinase and A/D modular converters,The Signal-regulated kinase includes the first Signal-regulated kinase,Second signal conditioning module,Third Signal-regulated kinase,The A/D modular converters include the first A/D converter,Second A/D converter,Third A/D converter,First Signal-regulated kinase connects dsp processor by the first A/D converter,The second signal conditioning module connects dsp processor by the second A/D converter,The third Signal-regulated kinase connects dsp processor by third A/D converter,The utility model uses dsp processor data signal acquisition system,For data signal acquisition of the circuit when carrying out relay protection,And gathered data is precisely reliable,It is and simple in structure,Practicability and scalability are stronger.
Description
Technical field
The utility model is related to network safety fileds, are the data signal acquisition systems based on dsp processor specifically
System.
Background technology
With the development of computer technology, a use of data collecting system is also increasingly extensive, and data acquisition is Industry Control
A vital link in system in process of production, generally requires to detect the temperature, humidity, stream of links at any time
Amount and pressure and other parameters, meanwhile, also random challenge is carried out to the arbitrary parameter of some test point, by obtained testing result
It extracts and makes a policy to be compared, adjust control program, in addition, in process of scientific research, maintenance data acquisition system
A large amount of multidate information can be obtained and obtain the important means of science data, data collecting system is used to turn analog signal
The digital signal that computer can identify is changed to, the purpose of the system is easy for being monitored some physical quantitys, control；It will
Collection in worksite to data handled, transmitted, shown, stored.
Data collecting system is generally by data input channel, data storage and management, data processing, data output and display
This five parts form, and input channel will realize the detection to measurand, the work such as sampling and signal conversion, data storage with
Management stores collected data with memory, corresponding database is established, and be managed and call, at data
Reason is exactly from collected initial data, deletes related interference noise, irrelevant information and necessary information, extracts reaction quilt
The important information of characteristics of objects is surveyed, data output and display are exactly that data are exported and shown in a suitable form；And it counts
It is main or depending on its speed and precision according to the quality of acquisition system, with the continuous development of power industry, but current state
Data signal acquisition system when inherence carries out relay protection to circuit fails to realize, it is therefore desirable to which such a data-signal is adopted
Collecting system realizes the accurate acquisition of data-signal.
Utility model content
The purpose of this utility model is to provide the data signal acquisition systems based on dsp processor, can accurately adopt
The every data information of collection and signal, have wide applicability.
The utility model is achieved through the following technical solutions：Data signal acquisition system based on dsp processor, including
The dsp processor and its data selector of connection, Signal-regulated kinase and A/D modular converters, the Signal-regulated kinase include
First Signal-regulated kinase, second signal conditioning module, third Signal-regulated kinase, the A/D modular converters include the first A/D
Converter, the second A/D converter, third A/D converter, first Signal-regulated kinase are connected by the first A/D converter
Dsp processor, the second signal conditioning module connect dsp processor, the third signal condition by the second A/D converter
Module connects dsp processor by third A/D converter.
Further is that the utility model is better achieved, especially using following setting structures：The data selector connects
Voltage transformer and current transformer are connected to, the dsp processor is also associated with phaselocking frequency multiplier, the phaselocking frequency multiplier and electricity
Press mutual inductor, current transformer connection.
Further is that the utility model is better achieved, especially using following setting structures：The dsp processor is also logical
Extra pulse generation circuit is connected with photoisolator, and the photoisolator is connected with test circuit, the test circuit connection
There is communication module, the communication module connects dsp processor.
Further is that the utility model is better achieved, especially using following setting structures：The third signal condition
Module is connected with sample circuit.
Further is that the utility model is better achieved, especially using following setting structures：The DSP equipment passes through
USB device connects PC machine.
Further is that the utility model is better achieved, especially using following setting structures：The dsp processor uses
TMS320F2812, the data selector use AD7502 chips.
The utility model compared with prior art, has the following advantages and advantageous effect：
In Tthe utility model system the volume of A/D converter compared to common A/D converter it is smaller, so power consumption relatively also compared with
It is small, and usually there is sampling holder inside A/D converter, it can maintain sampled voltage until conversion end, and convert
Rate is fast；Complete the data transmission of DSP and PC machine using efficient USB interface chip, it is easy for installation, be easy to extend and have
High bandwidth.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1：
As shown in Figure 1, the data signal acquisition system based on dsp processor, the data including dsp processor and its connection
Selector, Signal-regulated kinase and A/D modular converters are controlled using core of the dsp processor as data signal acquisition system
Device, the Signal-regulated kinase include the first Signal-regulated kinase, second signal conditioning module, third Signal-regulated kinase, institute
It states A/D modular converters and includes the first A/D converter, the second A/D converter, third A/D converter, the first signal condition mould
Block connects dsp processor by the first A/D converter, and the second signal conditioning module connects DSP by the second A/D converter
Processor, the third Signal-regulated kinase connect dsp processor by third A/D converter.
Further is that the utility model is better achieved, especially using following setting structures：The data selector connects
Voltage transformer and current transformer are connected to, the dsp processor is also associated with phaselocking frequency multiplier, the phaselocking frequency multiplier and electricity
Mutual inductor, current transformer connection are pressed, voltage transformer and current transformer are all connected with external circuitry, and wherein voltage sensor goes out
The signal come is transmitted to the first signal-adjusting module after being handled by data selector, then after the first A/D modular converters
Dsp processor is transmitted to, the signal that current sensor comes out is transmitted to second signal and adjusts mould after being handled by data selector
Then block is transmitted to dsp processor after the 2nd A/D modular converters.
Embodiment 2：
The present embodiment is further optimized based on the above embodiments, as shown in Figure 1, further is preferably real
Existing the utility model, especially using following setting structures：The dsp processor also by pulse-generating circuit be connected with photoelectricity every
From device, the photoisolator is connected with test circuit, and the test circuit is connected with communication module, the communication module connection
Dsp processor.
Further is that the utility model is better achieved, especially using following setting structures：The third signal condition
Module is connected with sample circuit, for realize third A/D converter and the first A/D converter, the second A/D converter synchronize turned
It changes, synchronizing signal is obtained using synchronous AC circuit, so as to avoid the error that non-integer-period data band comes, realization, which synchronizes, adopts
Sample.
Further is that the utility model is better achieved, especially using following setting structures：The DSP equipment passes through
USB device connects PC machine, usb bus technology is selected to realize when being communicated with PC machine, USB technologies.
Further is that the utility model is better achieved, especially using following setting structures：The dsp processor uses
TMS320F2812, the data selector use AD7502 chips.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (6)
1. the data signal acquisition system based on dsp processor, it is characterised in that：Data including dsp processor and its connection
Selector, Signal-regulated kinase and A/D modular converters, the Signal-regulated kinase include the first Signal-regulated kinase, the second letter
Number conditioning module, third Signal-regulated kinase, the A/D modular converters include the first A/D converter, the second A/D converter, the
Three A/D converters, first Signal-regulated kinase connect dsp processor, the second signal tune by the first A/D converter
It manages module and dsp processor is connected by the second A/D converter, the third Signal-regulated kinase is connected by third A/D converter
Connect dsp processor.
2. the data signal acquisition system according to claim 1 based on dsp processor, it is characterised in that：The data
Selector is connected with voltage transformer and current transformer, and the dsp processor is also associated with phaselocking frequency multiplier, the lock phase times
Frequency device is connect with voltage transformer, current transformer.
3. the data signal acquisition system according to claim 2 based on dsp processor, it is characterised in that：At the DSP
Reason device is also connected with photoisolator by pulse-generating circuit, and the photoisolator is connected with test circuit, the test
Circuit is connected with communication module, and the communication module connects dsp processor.
4. the data signal acquisition system according to claim 3 based on dsp processor, it is characterised in that：The third
Signal-regulated kinase is connected with sample circuit.
5. the data signal acquisition system according to claim 4 based on dsp processor, it is characterised in that：The DSP is set
It is standby that PC machine is connected by USB device.
6. the data signal acquisition system according to claim 5 based on dsp processor, it is characterised in that：At the DSP
Device is managed using TMS320F2812, the data selector uses AD7502 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486858.9U CN207557713U (en) | 2017-11-09 | 2017-11-09 | Data signal acquisition system based on dsp processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721486858.9U CN207557713U (en) | 2017-11-09 | 2017-11-09 | Data signal acquisition system based on dsp processor |
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| Publication Number | Publication Date |
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| CN207557713U true CN207557713U (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721486858.9U Active CN207557713U (en) | 2017-11-09 | 2017-11-09 | Data signal acquisition system based on dsp processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748521A (en) * | 2017-11-09 | 2018-03-02 | 成都量之星科技有限公司 | Data signal acquisition system based on DSP Processor |
-
2017
- 2017-11-09 CN CN201721486858.9U patent/CN207557713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748521A (en) * | 2017-11-09 | 2018-03-02 | 成都量之星科技有限公司 | Data signal acquisition system based on DSP Processor |
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