CN206685135U - A kind of electromagnetism interference type data storage system - Google Patents
A kind of electromagnetism interference type data storage system Download PDFInfo
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- CN206685135U CN206685135U CN201720293838.3U CN201720293838U CN206685135U CN 206685135 U CN206685135 U CN 206685135U CN 201720293838 U CN201720293838 U CN 201720293838U CN 206685135 U CN206685135 U CN 206685135U
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Abstract
The utility model discloses a kind of electromagnetism interference type data storage system, it is characterized in that, by microprocessor, a/d converter, holder and the power supply being connected with microprocessor, the signal bandwidth adjustments circuit being connected with a/d converter, the signal processing unit being connected with signal bandwidth adjustments circuit, and the signal picker composition being connected with signal processing unit.The signal that signal processing unit of the present utility model and signal bandwidth adjustments circuit can export to collector is handled, make signal more stable, more accurate, the accuracy of the data value stored by the utility model is ensured that, related personnel is obtained truth when equipment works.
Description
Technical field
A kind of data storage system is the utility model is related to, is a kind of electromagnetism interference type data storage system specifically
System.
Background technology
Data acquisition stocking system is wide in the field such as industrial automation production, national defence and military monitoring and environmental monitoring
General application.Data acquisition stocking system can continuously capture characteristic when various data-signals or the failure generation of equipment
It is believed that number, and the signal of capture is stored, after being analyzed and processed so as to related personnel to signal, equipment can be obtained in time
The situation of work.
However, place of the existing data acquisition stocking system to signal mixed Electromagnetic Interference signal in transmitting procedure
Reason effect is poor, causes the data value after storage error occur, causes related personnel can not really obtain the feelings of equipment work
Condition.
Utility model content
The purpose of this utility model is to overcome data acquisition stocking system of the prior art to signal in transmitting procedure
In mixed Electromagnetic Interference signal treatment effect it is poor the defects of, there is provided a kind of electromagnetism interference type data storage system.
The utility model is achieved through the following technical solutions：A kind of electromagnetism interference type data storage system, by micro-
Manage device, the a/d converter being connected with microprocessor, holder and power supply, the signal bandwidth adjustments being connected with a/d converter
Circuit, the signal processing unit being connected with signal bandwidth adjustments circuit, and be connected with signal processing unit
Signal picker composition；The signal picker and holder are connected with power supply respectively；The signal processing unit
The interference signal filter circuit being connected by input with signal picker, and the output of input and interference signal filter circuit
Hold the signal conditioning circuit composition being connected；The output end of the signal conditioning circuit is connected with signal bandwidth adjustments circuit.
The interference signal filtered electrical routing amplifier P1, one end is connected with signal picker, the other end and amplifier
The resistance R1 that P1 positive pole is connected, positive pole is connected with amplifier P1 positive electrode, polar capacitor C2, the N poles of negative pole ground connection
It is connected with amplifier P1 output end, the diode D1 that P poles are connected after resistance R3 with amplifier P1 negative pole, and it is negative
The polarity that pole is connected after resistance R2 with amplifier P1 negative pole, positive pole is connected after resistance R4 with diode D1 P poles
Electric capacity C1 is formed；The amplifier P1 negative electrode ground connection, its output end as interference signal filter circuit output end and with
Signal conditioning circuit is connected, and amplifier P1 positive electrode is also connected with external power source；The negative pole of the polar capacitor C1
Ground connection.
The signal conditioning circuit is connected with amplifier P1 output end after resistance R5, born by amplifier P2, positive pole
The polar capacitor C4 that pole is connected with amplifier P2 positive pole, one end is connected with polar capacitor C4 positive pole, negative pole is grounded
Resistance R6, the resistance R7 that one end is connected with polar capacitor C4 positive pole, the other end is connected with amplifier P2 output end, just
The polar capacitor C3 that pole is connected with polar capacitor C4 positive pole, negative pole is connected with amplifier P2 output end, and P poles warp
It is connected after adjustable resistance R8 with amplifier P2 negative pole, two that N poles are connected after resistance R9 with amplifier P2 output end
Pole pipe D2 is formed；The positive electrode of the amplifier P2 is connected with external power source, its negative electrode ground connection, and amplifier P2's is defeated
Go out end as the output end of signal conditioning circuit and be connected with signal bandwidth adjustments circuit；The P poles ground connection of the diode D2.
The signal bandwidth adjustments electricity routing amplifier P3, triode VT1, triode VT2, triode VT3, one end with
The resistance R11 that amplifier P2 output end is connected, the other end is connected with amplifier P3 positive pole, one end is with amplifier P2's
Output end is connected, the resistance R10 of other end ground connection, and positive pole is connected after resistance R12 with amplifier P3 negative pole, negative pole connects
The polar capacitor C5 on ground, positive pole is connected after resistance R15 with amplifier P3 negative electrode, negative pole and triode VT2 base stage
The polar capacitor C8 being connected, one end is connected with amplifier P3 output end, the other end is connected with triode VT1 base stage
Resistance R14, positive pole is connected after resistance R13 with amplifier P3 positive electrode, negative pole ground connection polar capacitor C7, positive pole with
Polar capacitor C6, the P pole and polar capacitor that amplifier P3 positive electrode is connected, negative pole is connected with polar capacitor C7 negative pole
Diode D3, the N pole and diode D3 N that ground connection, N poles are connected with triode VT3 colelctor electrode after C7 positive pole is connected
The diode D4 that pole is connected, P poles are connected with triode VT1 colelctor electrode, one end are connected with triode VT1 emitter stage
Connect, the adjustable resistance R16 that the other end is connected with triode VT3 base stage, and one end is connected with triode VT2 colelctor electrode
The resistance R17 compositions that ground connection, the other end are connected with triode VT3 emitter stage after connecing；The negative electrode of the amplifier P3 connects
Ground, its positive electrode are also connected with external power source；The emitter stage of the triode VT2 is connected with triode VT1 emitter stage；
The emitter stage of the triode VT3 as signal bandwidth adjustments circuit output end and be connected with a/d converter.
The utility model compared with prior art, has advantages below and beneficial effect：
(1) letter that signal processing unit of the present utility model and signal bandwidth adjustments circuit can export to collector
Number handled, make signal more stable, more accurate, ensure that the accuracy of the data value stored by the utility model, make
Related personnel can obtain truth during equipment work.
(2) interference signal filter circuit and signal condition electricity are provided with signal processing unit of the present utility model
Road, interference signal filter circuit can be eliminated or suppressed to the Electromagnetic Interference signal in signal, make signal more steady；Signal
Modulate circuit can be limited the frequency of signal, to filter out the High-frequency Interference and spike burr in signal, and in signal
High-frequency Interference filtered out, make signal cleaner, more steady, more accurate, ensure that microprocessor of the present utility model
Receive accurate signal.
(3) signal bandwidth adjustments circuit of the present utility model can be adjusted to the bandwidth of signal, frequency, make input signal
Bandwidth, the bandwidth of frequency and sampled signal, frequency it is consistent, so as to improve the accurate of the data value of the utility model storage
Property.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the electrical block diagram of signal processing unit of the present utility model.
Fig. 3 is the electrical block diagram of signal bandwidth adjustments circuit of the present utility model.
Embodiment
The utility model is described in further detail with reference to embodiment and its accompanying drawing, but reality of the present utility model
Apply mode not limited to this.
Embodiment
As shown in figure 1, the utility model is by microprocessor, the a/d converter being connected with microprocessor, holder and
Power supply, the signal bandwidth adjustments circuit being connected with a/d converter, the signal receiving area being connected with signal bandwidth adjustments circuit
Unit is managed, and the signal picker composition being connected with signal processing unit.The signal picker and holder point
It is not connected with power supply.Wherein, described signal processing unit as shown in Fig. 2 its by interference signal filter circuit and letter
Number modulate circuit composition.
Microprocessor of the present utility model employs C8051F360 single-chip microcomputers to realize, the signal input of the microprocessor
Interface is connected with a/d converter, and its power input interface is connected with power supply, and its amplifier output interface is connected with holder.
Wherein, a/d converter employs the converter being made up of ADS8515 modulus conversion chips, and the signal input I/O of a/d converter connects
Mouth is connected with signal bandwidth adjustments circuit, and the signal input interface of its signal output U/O interfaces and microprocessor is by being electrically connected
Connect.Power supply of the present utility model is 12V dc sources, and the 12V power supplys are powered for whole system.
During operation, signal picker employs MDVA 0-5V signal picker to realize, the signal picker is used for
The data-signal during work of identification is gathered, signal picker is simultaneously transferred to signal after the signal collected is converted into electric signal
Reception processing unit.The signal processing unit is eliminated or suppressed to the Electromagnetic Interference signal in signal, makes signal
It is more steady；And the frequency of signal is limited, to filter out the High-frequency Interference and spike burr in signal, and in signal
High-frequency Interference is filtered out, and makes signal cleaner, more steady, more accurate, signal processing unit is then by the signal after processing
It is transferred to signal bandwidth adjustments circuit.The signal bandwidth adjustments circuit is adjusted to the bandwidth of signal, frequency, makes input signal
Bandwidth, the bandwidth of frequency and sampled signal, frequency it is consistent, signal bandwidth adjustments circuit by bandwidth, frequency regulation or signal
It is transferred to a/d converter.The signal of reception is converted to data-signal, and the data-signal that will be obtained after conversion by the a/d converter
It is transferred to microprocessor.Microprocessor obtains data after being analyzed and processed by its internal transport and placing device set to data-signal
It is worth, the data value is then converted to Code Signal and is transferred to holder by the converter in microprocessor, so as to looking into for related personnel
Ask.Holder of the present utility model employs K8G06U0M holders to realize, the holder has that storage volume is big, performance is steady
The features such as determining.
As shown in Fig. 2 the signal processing unit is made up of interference signal filter circuit and signal conditioning circuit.Its
In, the interference signal filter circuit as shown in Fig. 2 its by model OP364 amplifier P1, resistance be 1k Ω resistance
R1, resistance are 47k Ω resistance R2, and resistance is 10k Ω resistance R3, and resistance is 20k Ω resistance R4, and capacitance is 0.2 μ F's
Polar capacitor C1, capacitance be 10 μ F polar capacitor C2, and model 1N4011 diode D1 composition.
During connection, resistance R1 one end is connected with signal picker, and the other end is connected with amplifier P1 positive pole.Pole
Property electric capacity C2 positive pole be connected with amplifier P1 positive electrode, negative pole ground connection.Diode D1 N poles are defeated with amplifier P1's
Go out end to be connected, negative pole of the P poles with amplifier P1 after resistance R3 is connected.Polar capacitor C1 negative pole is after resistance R2 with putting
Big device P1 negative pole is connected, and positive pole is connected after resistance R4 with diode D1 P poles.
The negative electrode ground connection of the amplifier P1, output end and and signal of its output end as interference signal filter circuit
Modulate circuit is connected, and amplifier P1 positive electrode is also connected with outside 5V dc sources, and the 5V dc sources are to put
Big device P1 provides operating voltage；The negative pole ground connection of the polar capacitor C1.
Further, the signal conditioning circuit as shown in Fig. 2 its by model OP364 amplifier P2, resistance
For 10k Ω resistance R5, resistance is 100 Ω resistance R6, and resistance is 2k Ω resistance R7, and resistance is the adjustable of 0~100k Ω
Resistance R8, resistance are 20k Ω resistance R9, and capacitance is 0.2 μ F polar capacitor C3, and capacitance is 0.01 μ F polar capacitor C4,
And model 1N4011 diode D2 compositions.
During connection, the output end of polar capacitor C4 positive pole with amplifier P1 after resistance R5 is connected, negative pole and amplification
Device P2 positive pole is connected.Resistance R6 one end is connected with polar capacitor C4 positive pole, negative pole ground connection.Resistance R7 one end with
Polar capacitor C4 positive pole is connected, and the other end is connected with amplifier P2 output end.Polar capacitor C3 positive pole and polarity
Electric capacity C4 positive pole is connected, and negative pole is connected with amplifier P2 output end.Diode D2 P poles are after adjustable resistance R8
It is connected with amplifier P2 negative pole, output end of the N poles with amplifier P2 after resistance R9 is connected.
The positive electrode of the amplifier P2 is connected with outside 5V dc sources, its negative electrode ground connection, amplifier P2's
Output end as signal conditioning circuit output end and be connected with signal bandwidth adjustments circuit, its 5V dc source for amplification
Device P2 provides operating voltage；The P poles ground connection of the diode D2.
During operation, the signal that resistance R1 is exported to signal picker limits, and obtains the electromagnetic wave in signal
To cut down, the signal after electromagnetic wave is cut in is amplified through amplifier P1, and the electromagnetic wave signal in signal is also exaggerated simultaneously,
Signal can not then be exported by amplifier P1 adjustment output end, and the signal is then defeated as the negative pole of feedback pole through amplifier P1
Go out, the signal of the output carries out current limliting through resistance R2, and the signal after current limliting is filtered through polar capacitor C1, effectively by signal
In Electromagnetic Interference signal eliminated, the level of filtered signal is relatively low, and the electric current of signal is less than -4V, diode D1
It is switched on, signal is then re-entered into amplifier P1 by the resistance R3 passages formed, and amplifier P1 is carried out again to signal
Amplification.Now, the level of signal is stable level, and signal can be exported by amplifier P1 adjustment output end.
Meanwhile the channel transfer that the signal of amplifier P1 output is formed through resistance R5, pass through the low frequency after resistance R5
Signal carries out demagnetization through resistance R6, and the signal after demagnetization is filtered through polar capacitor C4, effectively eliminates what is handled in signal
Interference signal, the frequency modulator that the signal after filtering is formed through amplifier P2, adjustable resistance R8, diode D2 and resistance R9 enter line frequency
Rate is adjusted, and makes the frequency of low frequency signal consistent with signal criterion frequency, output end output of the signal after regulation through amplifier P2；
And the high-cut filter then formed by resistance R5 reference frequency signal through resistance R7 and polar capacitor C3 is filtered, by height
The polar capacitor C3 of wave filter negative pole output is hindered, the signal that the signal of polar capacitor C3 outputs exports with amplifier P2 passes jointly
Signal bandwidth adjustments circuit is defeated by, the Electromagnetic Interference signal in signal is carried out so that signal processing unit realizes
Eliminate or suppress, make signal more steady；And the frequency of signal is limited, to filter out the High-frequency Interference and spike hair in signal
Thorn, and is filtered out to the High-frequency Interference in signal, makes that signal is cleaner, more steady, more accurately effect.
As shown in figure 3, amplifier P3 of the signal bandwidth adjustments circuit by model OP364, model 3DG12's
Triode VT1~VT3, resistance are 20k Ω resistance R10, resistance R15, resistance R17, and resistance is 10k Ω resistance R11, resistance
R14, resistance are 2k Ω resistance R12, and resistance is 12k Ω resistance R13, and resistance is 0~200k Ω adjustable resistance R16, is held
It is 0.2 μ F polar capacitor C6, polar capacitor C7 to be worth for 0.01 μ F polar capacitor C5, capacitance, and the polarity that capacitance is 22 μ F is electric
Hold C8, and model 1N4012 diode D3 and diode D4 composition.
During connection, resistance R11 one end is connected with amplifier P2 output end, the positive pole of the other end and amplifier P3
It is connected.Resistance R10 one end is connected with amplifier P2 output end, other end ground connection.Polar capacitor C5 positive pole is through electricity
It is connected after resistance R12 with amplifier P3 negative pole, negative pole ground connection.Polar capacitor C8 positive pole after resistance R15 with amplifier P3
Negative electrode be connected, negative pole is connected with triode VT2 base stage.
Resistance R14 one end is connected with amplifier P3 output end, and the other end is connected with triode VT1 base stage.
Positive electrode of the polar capacitor C7 positive pole with amplifier P3 after resistance R13 is connected, negative pole ground connection.Polar capacitor C6 positive pole
It is connected with amplifier P3 positive electrode, negative pole is connected with polar capacitor C7 negative pole.Diode D3 P poles and polarity electricity
Appearance C7 positive pole is grounded after being connected, and N poles are connected with triode VT3 colelctor electrode.
Diode D4 N poles are connected with diode D3 N poles, and P poles are connected with triode VT1 colelctor electrode.It is adjustable
Resistance R16 one end is connected with triode VT1 emitter stage, and the other end is connected with triode VT3 base stage.Resistance R17
One end be connected with triode VT2 colelctor electrode after be grounded, the other end is connected with triode VT3 emitter stage.
The negative electrode ground connection of the amplifier P3, its positive electrode are also connected with outside 5V dc sources, the 5V direct currents
Source provides operating voltage for amplifier P3；The emitter stage of the triode VT2 is connected with triode VT1 emitter stage；It is described
Triode VT3 emitter stage as signal bandwidth adjustments circuit output end and be connected with a/d converter.
During operation, flow plug of the signal through resistance R10 and resistance R11 formation of signal processing unit output, the resistance
Stream device suppresses to the heavy current of signal, and the signal after electric current suppresses is transferred to amplifier P3 and resistance R12 and polar capacitor
The low-frequency amplifier that C5 is formed, the low-frequency amplifier are amplified to the low frequency signal in signal, wherein, in low-frequency amplifier
Polar capacitor C5 is used to the interference signal in low frequency signal disappear, the output that low frequency signal is carried out through amplifier P3, and
The reference signal then negative electrode output through amplifier P3, the signal of amplifier P3 output end transmission are transferred to three through resistance R14
The amplifying regulator that pole pipe VT1, triode VT2, adjustable resistance R16 and resistance R17 are formed, amplifier P3 negative electrode output
The high-cut filter that is formed through resistance R15 and polar capacitor C8 of reference signal, the high-cut filter is to the useless letter in signal
Number suppressed, the signal after suppression is transferred to amplifying regulator, and amplifying regulator is formed to low frequency signal and reference signal
The bandwidth of mixed frequency signal, frequency are adjusted, wherein the resistance by adjusting adjustable resistance R16, enters the pulse current of signal
Row regulation, realizes the regulation of the bandwidth, frequency to signal, and the signal after regulation then carries out signal frequency adjustment through triode VT3
After export so that signal bandwidth adjustments circuit realiration is adjusted to the bandwidth of signal, frequency, make the band of input signal
The consistent effect of the bandwidth of wide, frequency and sampled signal, frequency, effectively raise the standard of the data value of the utility model storage
True property.
The signal that signal processing unit of the present utility model and signal bandwidth adjustments circuit can export to collector
Handled, make signal more stable, more accurate, ensure that the accuracy of the data value stored by the utility model, make phase
Pass personnel can obtain truth during equipment work.
According to above-described embodiment, you can realize the utility model well.
Claims (4)
- A kind of 1. electromagnetism interference type data storage system, it is characterised in that：By microprocessor, it is connected with microprocessor A/d converter, holder and power supply, the signal bandwidth adjustments circuit being connected with a/d converter, with signal bandwidth adjustments circuit phase The signal processing unit of connection, and the signal picker composition being connected with signal processing unit；The signal Collector and holder are connected with power supply respectively；The signal processing unit is connected by input with signal picker Interference signal filter circuit, and the signal conditioning circuit group that input is connected with the output end of interference signal filter circuit Into；The output end of the signal conditioning circuit is connected with signal bandwidth adjustments circuit.
- A kind of 2. electromagnetism interference type data storage system according to claim 1, it is characterised in that the interference signal Filtered electrical routing amplifier P1, the resistance that one end is connected with signal picker, the other end is connected with amplifier P1 positive pole R1, polar capacitor C2, the N pole and amplifier P1 output end phase that positive pole is connected with amplifier P1 positive electrode, negative pole is grounded Connection, the diode D1 that is connected after resistance R3 with amplifier P1 negative pole of P poles, and negative pole after resistance R2 with amplifier The polar capacitor C1 compositions that P1 negative pole is connected, positive pole is connected after resistance R4 with diode D1 P poles；The amplifier P1 negative electrode ground connection, its output end as interference signal filter circuit output end and be connected with signal conditioning circuit, this Amplifier P1 positive electrode is also connected with external power source；The negative pole ground connection of the polar capacitor C1.
- A kind of 3. electromagnetism interference type data storage system according to claim 2, it is characterised in that the signal condition Electric routing amplifier P2, positive pole is connected after resistance R5 with amplifier P1 output end, negative pole and amplifier P2 positive pole phase The polar capacitor C4 of connection, one end is connected with polar capacitor C4 positive pole, the resistance R6 of negative pole ground connection, one end and polar capacitor The resistance R7 that C4 positive pole is connected, the other end is connected with amplifier P2 output end, the positive pole of positive pole and polar capacitor C4 Be connected, the polar capacitor C3 that negative pole is connected with amplifier P2 output end, and P poles after adjustable resistance R8 with amplifier The diode D2 compositions that P2 negative pole is connected, N poles are connected after resistance R9 with amplifier P2 output end；The amplifier P2 positive electrode is connected with external power source, its negative electrode ground connection, and amplifier P2 output end is as signal conditioning circuit Output end is simultaneously connected with signal bandwidth adjustments circuit；The P poles ground connection of the diode D2.
- A kind of 4. electromagnetism interference type data storage system according to any one of claim 3, it is characterised in that the letter Number bandwidth adjustment circuit is by amplifier P3, triode VT1, triode VT2, triode VT3, one end and amplifier P2 output end It is connected, the resistance R11 that the other end is connected with amplifier P3 positive pole, one end is connected, separately with amplifier P2 output end The resistance R10 of one end ground connection, positive pole is connected after resistance R12 with amplifier P3 negative pole, the polar capacitor C5 of negative pole ground connection, The polar capacitor that positive pole is connected after resistance R15 with amplifier P3 negative electrode, negative pole is connected with triode VT2 base stage C8, the resistance R14 that one end is connected with amplifier P3 output end, the other end is connected with triode VT1 base stage, positive pole warp It is connected after resistance R13 with amplifier P3 positive electrode, the polar capacitor C7 of negative pole ground connection, the positive electrode of positive pole and amplifier P3 It is connected, after polar capacitor C6, the P pole that negative pole is connected with polar capacitor C7 negative pole is connected with polar capacitor C7 positive pole Diode D3, the N pole that ground connection, N poles are connected with triode VT3 colelctor electrode is connected with diode D3 N poles, P poles and three The diode D4 that pole pipe VT1 colelctor electrode is connected, one end is connected with triode VT1 emitter stage, the other end and triode The adjustable resistance R16 that VT3 base stage is connected, and one end be connected with triode VT2 colelctor electrode after ground connection, the other end with The resistance R17 compositions that triode VT3 emitter stage is connected；The amplifier P3 negative electrode ground connection, its positive electrode also with outside Portion's power supply is connected；The emitter stage of the triode VT2 is connected with triode VT1 emitter stage；The hair of the triode VT3 Emitter-base bandgap grading as signal bandwidth adjustments circuit output end and be connected with a/d converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293838.3U CN206685135U (en) | 2017-03-24 | 2017-03-24 | A kind of electromagnetism interference type data storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720293838.3U CN206685135U (en) | 2017-03-24 | 2017-03-24 | A kind of electromagnetism interference type data storage system |
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| Publication Number | Publication Date |
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| CN206685135U true CN206685135U (en) | 2017-11-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068171A (en) * | 2017-03-24 | 2017-08-18 | 成都云材智慧数据科技有限公司 | A kind of electromagnetism interference type data storage system |
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2017
- 2017-03-24 CN CN201720293838.3U patent/CN206685135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068171A (en) * | 2017-03-24 | 2017-08-18 | 成都云材智慧数据科技有限公司 | A kind of electromagnetism interference type data storage system |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200417 Address after: No. 1719, 17th floor, building 4, No. 89, Hezuo Road, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Chengdu core technology Co., Ltd Address before: 610000 Chengdu province high tech Zone (West) cooperation Road, No. 4, No. 17, building 1719, No. 89 Patentee before: CHENGDU IMCDATA TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |