CN108345556A - The circuit for signal conditioning of electronic product control device - Google Patents
The circuit for signal conditioning of electronic product control device Download PDFInfo
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- CN108345556A CN108345556A CN201810230083.1A CN201810230083A CN108345556A CN 108345556 A CN108345556 A CN 108345556A CN 201810230083 A CN201810230083 A CN 201810230083A CN 108345556 A CN108345556 A CN 108345556A
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- signal
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- resistance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
Abstract
The invention discloses the circuit for signal conditioning of electronic product control device,Including signal receiving circuit,Differential feedback circuit and voltage-stabilizing output circuit,The signal of signal transmission passage input terminal in the circuit for signal conditioning of the signal receiving circuit reception electronic product control device,The differential feedback circuit divides the signal that two-way receives signal receiving circuit output,Triode Q2 is transmitting extremely feedback signal,Adjust transport and placing device AR1 anti-phase input terminal potentials,Play Regulate signal amplitude,The effect of feedback stability signal,Last voltage-stabilizing output circuit receives differential feedback circuit output signal,With the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions,And it is exported after devising the lc circuit filtering that inductance L2 and capacitance C1 are composed in parallel,It that is to say in the circuit for signal conditioning of input electronic product control device in signal transmission passage,Stabilize signal in the signal transmission passage of the circuit for signal conditioning of Low-voltage Electronic control of product device,Improve the anti-interference of signal.
Description
Technical field
The present invention relates to Signal Regulation technical fields, more particularly to the circuit for signal conditioning of electronic product control device.
Background technology
With the development of science and technology, various electronic products grow up therewith, electronic product has become people's life not now
The part that can lack brings great life convenient for people, and the circuit for signal conditioning of electronic product control device is
More important composition in electronic product use, the wherein signal transmission of the circuit for signal conditioning of Low-voltage Electronic control of product device
Signal is easy unstable in channel, by the electromagnetic interference of other homogeneous e products, it is easy to the mutation of signal amplitude is caused,
So as to cause the disorder of signal, or even electronic product can be caused to generate error message, not only influence the use of Low-voltage Electronic product
Service life but will seriously affect the usage experience of user.
So the present invention provides a kind of new scheme to solve the problems, such as this.
Invention content
For the above situation, to overcome the defect of the prior art, purpose of the present invention is to provide electronic product controls to fill
The circuit for signal conditioning set, have be skillfully constructed, the characteristic of human oriented design, effectively stabilize the Low-voltage Electronic control of product dress
Signal in the signal transmission passage for the circuit for signal conditioning set improves the anti-interference of signal.
Its technical solution solved is the circuit for signal conditioning of electronic product control device, including signal receiving circuit, difference
Feedback circuit and voltage-stabilizing output circuit, the signal receiving circuit is divided to receive in the circuit for signal conditioning of electronic product control device
The signal of signal transmission passage input terminal, the differential feedback circuit divide two-way receive signal receiving circuit output signal, one
Road inputs after slide rheostat RW2 current limlitings in the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2, simultaneously
Power supply+10V provides base current potential for the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2, and another way is through transport and placing device
AR4 reverse phases are amplified, and the signal that transport and placing device AR4 is exported is the anti-phase input end group current potential of transport and placing device AR1, transport and placing device AR2 and amplifier
Device AR1 constitutes difference channel, the quiescent point of stabilization signal voltage, the output signal input voltage stabilizing output of transport and placing device AR2
In circuit, while in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, transport and placing device AR3 is the same as mutually amplification letter
Number it is triode Q2 base potentials, triode Q2 is transmitting extremely feedback signal, adjusts transport and placing device AR1 anti-phase input terminal potentials,
The effect of Regulate signal amplitude, feedback stability signal is played, last voltage-stabilizing output circuit receives differential feedback circuit output signal,
With the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions, and devise the LC that inductance L2 and capacitance C1 are composed in parallel
It exports, is that is to say in the circuit for signal conditioning of input electronic product control device in signal transmission passage after circuit filtering；
The differential feedback circuit includes transport and placing device AR4, one end of the anti-phase input terminating resistor R3 of transport and placing device AR4, resistance R3
Another terminating diode D2 cathode, one end of the homophase input terminating resistor R4 and resistance R11 of transport and placing device AR4, resistance R4
The other end ground connection, one end of the output end and resistance R10 of another termination transport and placing device AR4 of resistance R11, resistance R10's is another
Terminate the emitter of the inverting input and triode Q2 of transport and placing device AR1, homophase input terminating resistor R12, the electricity of transport and placing device AR1
Hinder one end of R13, the other end ground connection of resistance R12, the other end and resistance R8, electricity of the output terminating resistor R13 of transport and placing device AR1
One end of R9 is hindered, the collector of another termination triode Q2 of resistance R9, another termination slide rheostat RW1's of resistance R8 touches
Point 2, the contact 3 of slide rheostat RW1 connect the contact 1 of slide rheostat RW1, resistance R6 one end and transport and placing device AR2 reverse phase
Input terminal, one end of the output end and resistance R7, resistance R14, resistance R20 of another termination transport and placing device AR2 of resistance R6, resistance
The anode of another terminating diode D8 of R20, one end of the homophase input terminating resistor R5 of transport and placing device AR2 and resistance R14's is another
One end, the anode of one end and diode D4 of another termination inductance L3 of resistance R5, another termination slide rheostat of inductance L3
The contact 2 of RW2, the contact 3 of slide rheostat RW2 connect the cathode of diode D3, and the contact 1 of slide rheostat RW2 connects diode
The cathode of D6, one end of the positive connecting resistance R2 of diode D6, the anode and resistance R1 of another terminating diode D5 of resistance R2
One end, another termination power+10V of resistance R1, diode D5 cathode ground connection, the cathode connecting resistance R19's of diode D4
One end, the in-phase input end of the cathode and transport and placing device AR3 of another terminating diode D8 of resistance R19, the reverse phase of transport and placing device AR3 are defeated
Enter one end of terminating resistor R17, resistance R18, the other end ground connection of resistance R18, transport and placing device AR3's exports terminating resistor R17's
The base stage of the other end and triode Q2.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, signal receiving circuit receive electronic product control device circuit for signal conditioning in signal transmission passage input terminal letter
Number, the differential feedback circuit divides the signal that two-way receives signal receiving circuit output, the output signal input of transport and placing device AR2 steady
In voltage follower circuit, while in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, the same phases of transport and placing device AR3
Amplified signal is triode Q2 base potentials, and triode Q2 is transmitting extremely feedback signal, adjusts transport and placing device AR1 inverting inputs
Current potential, plays the effect of Regulate signal amplitude, feedback stability signal, and last voltage-stabilizing output circuit receives differential feedback circuit output
Signal with the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions, and devises inductance L2 and capacitance C1 parallel connection groups
At lc circuit filtering after export, that is to say input electronic product control device circuit for signal conditioning in signal transmission passage
It is interior, signal in the signal transmission passage of the circuit for signal conditioning of Low-voltage Electronic control of product device is effectively stabilized, is improved
The anti-interference of signal.
2, transport and placing device AR2 and transport and placing device AR1 constitute difference channel, and the quiescent point of stabilization signal voltage improves letter
Number anti-interference, due to transport and placing device AR3 in-phase input end received signals be transport and placing device AR2, AR1 difference processing after signal
With the filtered signals of inductance L3, triode Q2 feedbacks can be precisely controlled, triode Q2 is transmitting extremely feedback signal,
When signal amplitude exception, triode Q2 is connected at this time, and triode Q2 is that transmitting extremely feedback signal, transport and placing device AR1 reverse phases is defeated
Enter terminal potential to become larger, that is to say the reduction of transport and placing device AR1 output end current potentials, adjust transport and placing device AR1 anti-phase input terminal potentials, play tune
Save the effect of signal amplitude, feedback stability signal.
Description of the drawings
Fig. 1 is the module map of the circuit for signal conditioning of electronic product control device of the present invention.
Fig. 2 is the schematic diagram of the circuit for signal conditioning of electronic product control device of the present invention.
Specific implementation mode
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Embodiment one, the circuit for signal conditioning of electronic product control device, including signal receiving circuit, differential feedback circuit
And voltage-stabilizing output circuit, it is logical that the signal receiving circuit receives signal transmission in the circuit for signal conditioning of electronic product control device
The signal of road input terminal, the differential feedback circuit divide the signal that two-way receives signal receiving circuit output, become all the way through sliding
It is inputted in the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2 after hindering device RW2 current limlitings, while power supply+10V is
The in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2 provides base current potential, and another way is put through transport and placing device AR4 reverse phases
Greatly, the anti-phase input end group current potential that the signal of transport and placing device AR4 outputs is transport and placing device AR1, transport and placing device AR2 and transport and placing device AR1 compositions
Difference channel, the quiescent point of stabilization signal voltage, in the output signal input voltage-stabilizing output circuit of transport and placing device AR2, together
When transport and placing device AR2 output signal input transport and placing device AR3 in-phase input end in, transport and placing device AR3 is three poles with phase amplified signal
Pipe Q2 base potentials, triode Q2 are transmitting extremely feedback signal, adjust transport and placing device AR1 anti-phase input terminal potentials, play adjusting
The effect of signal amplitude, feedback stability signal, last voltage-stabilizing output circuit receives differential feedback circuit output signal, with three poles
The regulator circuit voltage stabilizing of pipe Q3 and voltage-stabiliser tube D7 compositions, and devise the lc circuit filtering that inductance L2 and capacitance C1 are composed in parallel
After export, that is to say in the circuit for signal conditioning of input electronic product control device in signal transmission passage；
The differential feedback circuit divides the signal that two-way receives signal receiving circuit output, all the way through slide rheostat RW2 current limlitings
Afterwards in the in-phase input end and transport and placing device AR3 in-phase input ends of input transport and placing device AR2, while power supply+10V is transport and placing device AR2's
In-phase input end and transport and placing device AR3 in-phase input ends provide base current potential, and wherein inductance L3 plays the effect of filtering, diode D5,
Diode D6 plays the role of one-way conduction electric current, and another way is amplified through transport and placing device AR4 reverse phases, improves signal power, transport and placing device
The anti-phase input end group current potential that the signal of AR4 outputs is transport and placing device AR1, transport and placing device AR2 and transport and placing device AR1 constitute differential electrical
Road, the quiescent point of stabilization signal voltage improve the anti-interference of signal, and the output signal input voltage stabilizing of transport and placing device AR2 is defeated
Go out in circuit, while in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, transport and placing device AR3 is the same as mutually amplification
Signal is triode Q2 base potentials, since transport and placing device AR3 in-phase input end received signals are at transport and placing device AR2, AR1 difference
Signal after reason and the filtered signals of inductance L3, can precisely control triode Q2 feedbacks, and triode Q2 is emitter
For feedback signal, when signal amplitude exception, triode Q2 is connected at this time, and triode Q2 is transmitting extremely feedback signal, amplifier
Device AR1 anti-phase input terminal potentials become larger, and that is to say the reduction of transport and placing device AR1 output end current potentials, adjust transport and placing device AR1 inverting inputs
Current potential plays the effect of Regulate signal amplitude, feedback stability signal,
Embodiment two, on the basis of embodiment one, the signal receiving circuit receives the signal tune of electronic product control device
The signal of signal transmission passage input terminal in economize on electricity road, voltage-stabiliser tube D1 play the effect of voltage stabilizing, and inductance L1 is filtered, and the one of inductance L1
The anode of terminating diode D3, diode D2, the cathode of another the termination signal output port and voltage-stabiliser tube D1 of inductance L1, voltage stabilizing
The plus earth of pipe D1.
Embodiment three, on the basis of embodiment one, the voltage-stabilizing output circuit receives differential feedback circuit output signal,
With the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions, further stabilization signal, and devise inductance L2 and electricity
It is exported after holding the lc circuit filtering that C1 is composed in parallel, improves the anti-interference of signal, that is to say input electronic product control device
Circuit for signal conditioning in signal transmission passage, the other end of the collector connecting resistance R7 of triode Q3 and the one of resistance R15
End, the cathode of the base stage and voltage-stabiliser tube D7 of another termination triode Q3 of resistance R15, the plus earth of voltage-stabiliser tube D7, triode
The emitter of Q3 connects one end of inductance L2, one end of one end and resistance R16 of another termination capacitor C1 of inductance L2, capacitance C1's
The other end is grounded, another termination signal output port of resistance R16.
When the present invention is specifically used, the circuit for signal conditioning of electronic product control device, including signal receiving circuit, difference
Feedback circuit and voltage-stabilizing output circuit, which is characterized in that the signal receiving circuit receives the signal of electronic product control device
The signal of signal transmission passage input terminal in circuit is adjusted, the differential feedback circuit divides two-way to receive signal receiving circuit output
Signal, the in-phase input end and transport and placing device AR3 homophase inputs of transport and placing device AR2 are inputted after slide rheostat RW2 current limlitings all the way
In end, while power supply+10V provides base current potential for the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2, another
Road is amplified through transport and placing device AR4 reverse phases, and the signal of transport and placing device AR4 outputs is the anti-phase input end group current potential of transport and placing device AR1, transport and placing device
AR2 and transport and placing device AR1 constitutes difference channel, the quiescent point of stabilization signal voltage, the output signal input of transport and placing device AR2
In voltage-stabilizing output circuit, while in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, transport and placing device AR3 is same
Phase amplified signal is triode Q2 base potentials, and triode Q2 is transmitting extremely feedback signal, adjusts transport and placing device AR1 anti-phase inputs
Terminal potential plays the effect of Regulate signal amplitude, feedback stability signal, and it is defeated that last voltage-stabilizing output circuit receives differential feedback circuit
Go out signal, with the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions, and devises inductance L2 and capacitance C1 parallel connections
It is exported after the lc circuit filtering of composition, that is to say signal transmission passage in the circuit for signal conditioning of input electronic product control device
It is interior；
The differential feedback circuit divides the signal that two-way receives signal receiving circuit output, all the way through slide rheostat RW2 current limlitings
Afterwards in the in-phase input end and transport and placing device AR3 in-phase input ends of input transport and placing device AR2, while power supply+10V is transport and placing device AR2's
In-phase input end and transport and placing device AR3 in-phase input ends provide base current potential, and wherein inductance L3 plays the effect of filtering, diode D5,
Diode D6 plays the role of one-way conduction electric current, and another way is amplified through transport and placing device AR4 reverse phases, improves signal power, transport and placing device
The anti-phase input end group current potential that the signal of AR4 outputs is transport and placing device AR1, transport and placing device AR2 and transport and placing device AR1 constitute differential electrical
Road, the quiescent point of stabilization signal voltage improve the anti-interference of signal, and the output signal input voltage stabilizing of transport and placing device AR2 is defeated
Go out in circuit, while in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, transport and placing device AR3 is the same as mutually amplification
Signal is triode Q2 base potentials, since transport and placing device AR3 in-phase input end received signals are at transport and placing device AR2, AR1 difference
Signal after reason and the filtered signals of inductance L3, can precisely control triode Q2 feedbacks, and triode Q2 is emitter
For feedback signal, when signal amplitude exception, triode Q2 is connected at this time, and triode Q2 is transmitting extremely feedback signal, amplifier
Device AR1 anti-phase input terminal potentials become larger, and that is to say the reduction of transport and placing device AR1 output end current potentials, adjust transport and placing device AR1 inverting inputs
Current potential, plays the effect of Regulate signal amplitude, feedback stability signal, and the voltage-stabilizing output circuit receives differential feedback circuit output
Signal with the regulator circuit voltage stabilizing of triode Q3 and voltage-stabiliser tube D7 compositions, further stabilization signal, and devises inductance L2
It is exported after the lc circuit filtering composed in parallel with capacitance C1, improves the anti-interference of signal, that is to say input electronic product control
In the circuit for signal conditioning of device in signal transmission passage.
The above is to combine specific implementation mode is made for the present invention to be further described, and it cannot be said that the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, made by expand and operating method, data replacement, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. the circuit for signal conditioning of electronic product control device, including signal receiving circuit, differential feedback circuit and voltage stabilizing output
Circuit, which is characterized in that signal transmission in the circuit for signal conditioning of the signal receiving circuit reception electronic product control device
The signal of path input, the differential feedback circuit divide the signal that two-way receives signal receiving circuit output, all the way through sliding
It is inputted in the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2 after rheostat RW2 current limlitings, while power supply+10V
Base current potential is provided for the in-phase input end and transport and placing device AR3 in-phase input ends of transport and placing device AR2, another way is through transport and placing device AR4 reverse phases
Amplification, the signal that transport and placing device AR4 is exported are the anti-phase input end group current potential of transport and placing device AR1, transport and placing device AR2 and transport and placing device AR1 groups
It is inputted in voltage-stabilizing output circuit at the output signal of difference channel, the quiescent point of stabilization signal voltage, transport and placing device AR2,
Simultaneously in the in-phase input end of the output signal input transport and placing device AR3 of transport and placing device AR2, transport and placing device AR3 is three with phase amplified signal
Pole pipe Q2 base potentials, triode Q2 are transmitting extremely feedback signal, adjust transport and placing device AR1 anti-phase input terminal potentials, play tune
The effect of signal amplitude, feedback stability signal is saved, last voltage-stabilizing output circuit receives differential feedback circuit output signal, with three
The regulator circuit voltage stabilizing of pole pipe Q3 and voltage-stabiliser tube D7 compositions, and devise the lc circuit filter that inductance L2 and capacitance C1 are composed in parallel
It exports, is that is to say in the circuit for signal conditioning of input electronic product control device in signal transmission passage after wave；
The differential feedback circuit includes transport and placing device AR4, one end of the anti-phase input terminating resistor R3 of transport and placing device AR4, resistance R3
Another terminating diode D2 cathode, one end of the homophase input terminating resistor R4 and resistance R11 of transport and placing device AR4, resistance R4
The other end ground connection, one end of the output end and resistance R10 of another termination transport and placing device AR4 of resistance R11, resistance R10's is another
Terminate the emitter of the inverting input and triode Q2 of transport and placing device AR1, homophase input terminating resistor R12, the electricity of transport and placing device AR1
Hinder one end of R13, the other end ground connection of resistance R12, the other end and resistance R8, electricity of the output terminating resistor R13 of transport and placing device AR1
One end of R9 is hindered, the collector of another termination triode Q2 of resistance R9, another termination slide rheostat RW1's of resistance R8 touches
Point 2, the contact 3 of slide rheostat RW1 connect the contact 1 of slide rheostat RW1, resistance R6 one end and transport and placing device AR2 reverse phase
Input terminal, one end of the output end and resistance R7, resistance R14, resistance R20 of another termination transport and placing device AR2 of resistance R6, resistance
The anode of another terminating diode D8 of R20, one end of the homophase input terminating resistor R5 of transport and placing device AR2 and resistance R14's is another
One end, the anode of one end and diode D4 of another termination inductance L3 of resistance R5, another termination slide rheostat of inductance L3
The contact 2 of RW2, the contact 3 of slide rheostat RW2 connect the cathode of diode D3, and the contact 1 of slide rheostat RW2 connects diode
The cathode of D6, one end of the positive connecting resistance R2 of diode D6, the anode and resistance R1 of another terminating diode D5 of resistance R2
One end, another termination power+10V of resistance R1, diode D5 cathode ground connection, the cathode connecting resistance R19's of diode D4
One end, the in-phase input end of the cathode and transport and placing device AR3 of another terminating diode D8 of resistance R19, the reverse phase of transport and placing device AR3 are defeated
Enter one end of terminating resistor R17, resistance R18, the other end ground connection of resistance R18, transport and placing device AR3's exports terminating resistor R17's
The base stage of the other end and triode Q2.
2. the circuit for signal conditioning of electronic product control device as described in claim 1, which is characterized in that the signal receives
Circuit includes inductance L1, a terminating diode D3 of inductance L1, the anode of diode D2, another termination signal output of inductance L1
The cathode of port and voltage-stabiliser tube D1, the plus earth of voltage-stabiliser tube D1.
3. the circuit for signal conditioning of the electronic product control device as claimed in claim 1 or 2, which is characterized in that described
Voltage-stabilizing output circuit includes triode Q3, one end of the other end and resistance R15 of the collector connecting resistance R7 of triode Q3, resistance
The cathode of the base stage and voltage-stabiliser tube D7 of another termination triode Q3 of R15, the plus earth of voltage-stabiliser tube D7, the transmitting of triode Q3
Pole connects one end of inductance L2, one end of one end and resistance R16 of another termination capacitor C1 of inductance L2, another termination of capacitance C1
Ground, another termination signal output port of resistance R16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230083.1A CN108345556B (en) | 2018-03-20 | 2018-03-20 | Signal regulating circuit of electronic product control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810230083.1A CN108345556B (en) | 2018-03-20 | 2018-03-20 | Signal regulating circuit of electronic product control device |
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| CN108832901A (en) * | 2018-08-08 | 2018-11-16 | 义乌工商职业技术学院 | A kind of computer data control system |
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| CN109039294B (en) * | 2018-08-08 | 2022-02-18 | 义乌工商职业技术学院 | Automatic correcting circuit for computer signal |
| CN109039294A (en) * | 2018-08-08 | 2018-12-18 | 义乌工商职业技术学院 | Computer signal automatic calibration circuit |
| CN109088608A (en) * | 2018-08-08 | 2018-12-25 | 义乌工商职业技术学院 | A kind of electronic equipment information processing system |
| CN109104162A (en) * | 2018-08-08 | 2018-12-28 | 义乌工商职业技术学院 | A kind of Computer signal compensation circuit |
| CN109104180A (en) * | 2018-08-08 | 2018-12-28 | 义乌工商职业技术学院 | electronic information data processing system |
| CN109104162B (en) * | 2018-08-08 | 2022-02-18 | 义乌工商职业技术学院 | Computer signal compensation circuit |
| CN109088608B (en) * | 2018-08-08 | 2022-01-18 | 义乌工商职业技术学院 | Electronic equipment information processing system |
| CN108879612B (en) * | 2018-08-31 | 2019-08-23 | 肇庆学院 | The motor radiating of pressing robot sets non-firm power and adjusts circuit |
| CN108879612A (en) * | 2018-08-31 | 2018-11-23 | 许少辉 | The motor radiating of pressing robot sets non-firm power and adjusts circuit |
| CN109283962A (en) * | 2018-09-21 | 2019-01-29 | 河南元祖信息技术有限公司 | Data safety wisdom O&M monitoring system |
| CN108933580A (en) * | 2018-09-30 | 2018-12-04 | 郑州航空工业管理学院 | A kind of network public sentiment information analysis system |
| CN109343646B (en) * | 2018-11-29 | 2020-06-30 | 国家电网有限公司 | Informatization remote control device based on big data |
| CN109343646A (en) * | 2018-11-29 | 2019-02-15 | 国家电网有限公司 | A kind of information-based remote control apparatus based on big data |
| CN109581133A (en) * | 2019-01-24 | 2019-04-05 | 黄河科技学院 | Performance testing device based on antiferroelectric materials |
| CN109581133B (en) * | 2019-01-24 | 2020-10-09 | 黄河科技学院 | Performance testing device based on antiferroelectric material |
| CN110471465A (en) * | 2019-08-29 | 2019-11-19 | 河南东旺熙朝实业有限公司 | A kind of aluminium material extruder extruding force adjusting circuit |
| CN110730026A (en) * | 2019-11-04 | 2020-01-24 | 国网河南省电力公司襄城县供电公司 | Power information communication network signal conditioning circuit |
| CN110730026B (en) * | 2019-11-04 | 2021-12-10 | 中山市骏博通信技术有限公司 | Power information communication network signal conditioning circuit |
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