CN208704778U - A kind of detection device of electric automatization equipment - Google Patents
A kind of detection device of electric automatization equipment Download PDFInfo
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- CN208704778U CN208704778U CN201821698149.1U CN201821698149U CN208704778U CN 208704778 U CN208704778 U CN 208704778U CN 201821698149 U CN201821698149 U CN 201821698149U CN 208704778 U CN208704778 U CN 208704778U
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Abstract
The utility model discloses a kind of detection devices of electric automatization equipment, including signal receiving circuit, circuit and filtering output circuit are calibrated in frequency-selecting, the signal receiving circuit receives the data-signal of the detection device of electric automatization equipment, through inductance L1 and capacitor C1, the π type filter circuit filtering of capacitor C2 composition, the modulation circuit that the frequency-selecting calibration circuit is formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit output signal amplitude modulation, the double T frequency selection circuits for devising resistance R12- resistance R14 and capacitor C4- capacitor C6 composition simultaneously filter out the signal of single-frequency, wherein triode Q1, the switching circuit of triode Q2 composition filters out abnormal signal, triode Q3 plays the effect of feedback regulation transport and placing device AR1 output signal, the last filtering output circuit is with electricity It is exported after the filter circuit filtering of resistance R6- resistance R7 and capacitor C7- capacitor C8 and inductance L2 composition, plays the effect of automatic calibration signal, reduce the error of signal.
Description
Technical field
The utility model relates to field of circuit technology, more particularly to a kind of detection device of electric automatization equipment.
Background technique
Electric automatization belongs to manufacture major class, and equipment manufacture is provided for national economy and national defense construction
Basic, the strategic industry of technical equipment.With the rapid development of our country's economy, the extensive use of electrical equipment is modernized,
Industrial the degree of automation is higher and higher, and industrial electric automation has become the basic and leading of development of modern industry,
Middle electric automatization equipment is important a part, largely effects on our life, and electric automatization low-voltage equipment is in
Etc. in the factory of scales, the detection device of electric automatization equipment is essential, the detection device of electric automatization equipment
These data-signals are sent to electrically by the power signal of electrical equipment, temperature signal, tach signal etc. in testing process in real time
In automation equipment remote control terminal, convenient for staff to electric automatization monitoring of tools and management, however for some
Time more long equipment, data-signal error in transmission is larger, seriously affects electric automatization equipment remote control terminal pair
The analysis of data, and more exchange device, for middle-size and small-size Large-scale enterprises, cost is too high.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide one kind electrically certainly
The detection device of dynamicization equipment, have be skillfully constructed, the characteristic of human oriented design, inspection that can in real time to electric automatization equipment
The data-signal of measurement equipment is calibrated automatically, and is sent in electric automatization low-voltage equipment controlling terminal in time.
Its technical solution solved is a kind of detection device of electric automatization equipment, including signal receiving circuit, frequency-selecting
Circuit and filtering output circuit are calibrated, the signal receiving circuit receives the data letter of the detection device of electric automatization equipment
Number, the π type filter circuit through inductance L1 and capacitor C1, capacitor C2 composition filters, and the frequency-selecting calibration circuit uses transport and placing device AR1
Modulation circuit with variable resistance R5 composition devises resistance R12- resistance to signal receiving circuit output signal amplitude modulation
Double T frequency selection circuits of R14 and capacitor C4- capacitor C6 composition filter out the signal of single-frequency, wherein triode Q1, triode Q2
The switching circuit of composition filters out abnormal signal, and triode Q3 plays the effect of feedback regulation transport and placing device AR1 output signal, last institute
After stating filter circuit filtering of the filtering output circuit with resistance R6- resistance R7 and capacitor C7- capacitor C8 and inductance L2 composition
Output that is to say in input electric automatization equipment remote control terminal；
The frequency-selecting calibration circuit includes transport and placing device AR1, homophase input terminating resistor R2, the variable resistance of transport and placing device AR1
One end of R5 and the collector of triode Q3, one end of the anti-phase input terminating resistor R3 of transport and placing device AR1, resistance R4, resistance R4
The other end ground connection, the other end of another terminating resistor R2 of resistance R3, transport and placing device AR1 output termination variable resistance R5 it is another
One end of one end and capacitor C3, capacitor C5 of one end and resistance R12, the emitter of another termination triode Q3 of capacitor C3 and
The base stage of triode Q1, base stage connecting resistance R10, one end of resistance R11 and the collector of triode Q2 of triode Q3, triode
The other end of the base stage connecting resistance R10 of Q2 and the collector of triode Q1, another termination power+15V of resistance R11, triode
The emitter of Q1 connects the emitter of triode Q2 and one end of resistance R9, and the other end ground connection of resistance R9, resistance R12's is another
One end of terminating resistor R13 and one end of capacitor C6, one end of another terminating resistor R14 of capacitor C5 and one end of capacitor C4,
Resistance R14, capacitor C6 the other end ground connection, resistance R1, capacitor C4 another terminating resistor R6 one end.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1. the modulation circuit formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit output signal amplitude modulation
Signal, resistance R2 and resistance R3 are divider resistance, the adjustable transport and placing device AR1 output letter of the resistance value by adjusting variable resistance R5
Number amplitude, while devise resistance R12- resistance R14 and capacitor C4- capacitor C6 composition double T frequency selection circuits filter out it is single
The signal of the signal of frequency, single-frequency is relatively stable in the transmission, can prevent distorted signals, wherein triode Q1, three poles
The switching circuit of pipe Q2 composition filters out abnormal signal, when transport and placing device AR1 output signal is abnormal high level signal, triode Q1
It is connected with triode Q2, abnormal high level signal is released to greatly, while when transport and placing device AR1 output signal is abnormal low level
When signal, triode Q3, which is played, to be fed back in transport and placing device AR1 non-inverting input terminal, is played the effect of automatic calibration signal, is reduced
The error of signal.
Detailed description of the invention
Fig. 1 is a kind of module map of the detection device of electric automatization equipment of the utility model.
Fig. 2 is a kind of schematic diagram of the detection device of electric automatization equipment of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of detection device of electric automatization equipment, including signal receiving circuit, frequency-selecting calibration circuit and
Output circuit is filtered, the signal receiving circuit receives the data-signal of the detection device of electric automatization equipment, through inductance L1
With the π type filter circuit filtering of capacitor C1, capacitor C2 composition, the frequency-selecting calibration circuit uses transport and placing device AR1 and variable resistance
The modulation circuit of R5 composition devises resistance R12- resistance R14 and capacitor C4- to signal receiving circuit output signal amplitude modulation
Double T frequency selection circuits of capacitor C6 composition filter out the signal of single-frequency, wherein the switch electricity of triode Q1, triode Q2 composition
Road filters out abnormal signal, and triode Q3 plays the effect of feedback regulation transport and placing device AR1 output signal, the last filtering output electricity
It exports, that is to say defeated after the filter circuit filtering that road transport is formed with resistance R6- resistance R7 and capacitor C7- capacitor C8 and inductance L2
Enter in electric automatization equipment remote control terminal；
The modulation circuit that the frequency-selecting calibration circuit is formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit
Output signal amplitude-modulated signal, resistance R2 and resistance R3 are divider resistance, by the adjustable fortune of resistance value for adjusting variable resistance R5
The amplitude of device AR1 output signal is put, while devising double T frequency-selectings electricity of resistance R12- resistance R14 and capacitor C4- capacitor C6 composition
Road filters out the signal of single-frequency, and the signal of single-frequency is relatively stable in the transmission, can prevent distorted signals, wherein three
The switching circuit of pole pipe Q1, triode Q2 composition filters out abnormal signal, when transport and placing device AR1 output signal is abnormal high level signal
When, triode Q1 and triode Q2 conducting release abnormal high level signal to greatly, while working as transport and placing device AR1 output signal
When for abnormal low level signal, triode Q3, which is played, to be fed back in transport and placing device AR1 non-inverting input terminal, and automatic calibration signal is played
Effect, homophase input terminating resistor R2, one end of variable resistance R5 and the collector of triode Q3 of transport and placing device AR1, transport and placing device
One end of the anti-phase input terminating resistor R3 of AR1, resistance R4, the other end ground connection of resistance R4, another terminating resistor of resistance R3
The other end of R2, the other end of the output termination variable resistance R5 of transport and placing device AR1 and one end and the capacitor C3, electricity of resistance R12
Hold one end of C5, the emitter of another termination triode Q3 of capacitor C3 and the base stage of triode Q1, the base stage of triode Q3 connect
Resistance R10, one end of resistance R11 and triode Q2 collector, the other end of the base stage connecting resistance R10 of triode Q2 and three poles
The collector of pipe Q1, another termination power+15V of resistance R11, the emitter of triode Q1 connect the emitter and electricity of triode Q2
One end of R9, the other end ground connection of resistance R9, one end of another terminating resistor R13 of resistance R12 and one end of capacitor C6 are hindered,
One end of another terminating resistor R14 of capacitor C5 and one end of capacitor C4, the other end ground connection of resistance R14, capacitor C6, resistance
One end of another terminating resistor R6 of R1, capacitor C4.
Embodiment two, on the basis of example 1, the filtering output circuit use resistance R6- resistance R7 and capacitor
It is exported after the filter circuit filtering of C7- capacitor C8 and inductance L2 composition, improves the anti-interference of signal, that is to say input electricity
In gas automation equipment remote control terminal, the other end of a terminating resistor R6 of inductance L2 and one end and the capacitor of resistance R7
One end of C7, one end of another termination inductance L3 of inductance L2 and one end of capacitor C8, the other end of resistance R7, capacitor C7 it is another
The other end of one end and capacitor C8 ground connection, another termination signal output port of inductance L3.
Embodiment three, on the basis of example 1, the signal receiving circuit receive the detection of electric automatization equipment
The data-signal of equipment, the π type filter circuit through inductance L1 and capacitor C1, capacitor C2 composition filter, and filter out the high frequency in signal
Clutter, one end of a termination capacitor C1 of inductance L1 and signal output port, the other end ground connection of capacitor C1, inductance L1's is another
One end of termination capacitor C2 and the other end of resistance R2, the other end ground connection of capacitor C2.
When the utility model is specifically used, a kind of detection device of electric automatization equipment, including signal receiving circuit, choosing
Frequency calibration circuit and filtering output circuit, the signal receiving circuit receive the data letter of the detection device of electric automatization equipment
Number, the π type filter circuit through inductance L1 and capacitor C1, capacitor C2 composition filters, and the frequency-selecting calibration circuit uses transport and placing device AR1
For modulation circuit with variable resistance R5 composition to signal receiving circuit output signal amplitude-modulated signal, resistance R2 and resistance R3 are partial pressure
Resistance, the amplitude of the adjustable transport and placing device AR1 output signal of resistance value by adjusting variable resistance R5, while devising resistance
Double T frequency selection circuits of R12- resistance R14 and capacitor C4- capacitor C6 composition filter out the signal of single-frequency, the letter of single-frequency
It is number relatively stable in the transmission, distorted signals can be prevented, wherein the switching circuit of triode Q1, triode Q2 composition filters out different
Regular signal, when transport and placing device AR1 output signal is abnormal high level signal, triode Q1 and triode Q2 conducting will be abnormal high
Level signal is released to greatly, while when transport and placing device AR1 output signal is abnormal low level signal, triode Q3 plays feedback
To transport and placing device AR1 non-inverting input terminal, the effect of automatic calibration signal is played, the last filtering output circuit uses resistance
It is exported after the filter circuit filtering of R6- resistance R7 and capacitor C7- capacitor C8 and inductance L2 composition, it can be in real time to electrical automatic
The data-signal for changing the detection device of equipment is calibrated automatically.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of detection device of electric automatization equipment, including signal receiving circuit, frequency-selecting calibration circuit and filtering output electricity
Road, which is characterized in that the signal receiving circuit receives the data-signal of the detection device of electric automatization equipment, through inductance L1
With the π type filter circuit filtering of capacitor C1, capacitor C2 composition, the frequency-selecting calibration circuit uses transport and placing device AR1 and variable resistance
The modulation circuit of R5 composition devises resistance R12- resistance R14 and capacitor C4- to signal receiving circuit output signal amplitude modulation
Double T frequency selection circuits of capacitor C6 composition filter out the signal of single-frequency, wherein the switch electricity of triode Q1, triode Q2 composition
Road filters out abnormal signal, and triode Q3 plays the effect of feedback regulation transport and placing device AR1 output signal, the last filtering output electricity
It exports, that is to say defeated after the filter circuit filtering that road transport is formed with resistance R6- resistance R7 and capacitor C7- capacitor C8 and inductance L2
Enter in electric automatization equipment remote control terminal；
Frequency-selecting calibration circuit includes transport and placing device AR1, the homophase input terminating resistor R2 of transport and placing device AR1, variable resistance R5
The collector of one end and triode Q3, one end of the anti-phase input terminating resistor R3 of transport and placing device AR1, resistance R4, resistance R4's is another
One end ground connection, the other end of another terminating resistor R2 of resistance R3, the other end of the output termination variable resistance R5 of transport and placing device AR1
With one end of resistance R12 and one end of capacitor C3, capacitor C5, the emitter of another termination triode Q3 of capacitor C3 and three poles
The base stage of pipe Q1, base stage connecting resistance R10, one end of resistance R11 and the collector of triode Q2 of triode Q3, triode Q2's
The other end of base stage connecting resistance R10 and the collector of triode Q1, another termination power+15V of resistance R11, triode Q1's
Emitter connects the emitter of triode Q2 and one end of resistance R9, the other end ground connection of resistance R9, another termination of resistance R12
One end of resistance R13 and one end of capacitor C6, one end of another terminating resistor R14 of capacitor C5 and one end of capacitor C4, resistance
R14, capacitor C6 the other end ground connection, resistance R1, capacitor C4 another terminating resistor R6 one end.
2. a kind of detection device of electric automatization equipment as described in claim 1, which is characterized in that the filtering output circuit
Including inductance L2, the other end of a terminating resistor R6 of inductance L2 and one end of resistance R7 and one end of capacitor C7, inductance L2
Another termination inductance L3 one end and capacitor C8 one end, the other end of resistance R7, the other end of capacitor C7 and capacitor C8
Other end ground connection, another termination signal output port of inductance L3.
3. a kind of detection device of electric automatization equipment as claimed in claim 1 or 2, which is characterized in that the signal receives
Circuit includes inductance L1, one end of a termination capacitor C1 of inductance L1 and signal output port, the other end ground connection of capacitor C1, electricity
Feel one end of another termination capacitor C2 of L1 and the other end of resistance R2, the other end ground connection of capacitor C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698149.1U CN208704778U (en) | 2018-10-19 | 2018-10-19 | A kind of detection device of electric automatization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698149.1U CN208704778U (en) | 2018-10-19 | 2018-10-19 | A kind of detection device of electric automatization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208704778U true CN208704778U (en) | 2019-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821698149.1U Expired - Fee Related CN208704778U (en) | 2018-10-19 | 2018-10-19 | A kind of detection device of electric automatization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208704778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917216A (en) * | 2019-04-17 | 2019-06-21 | 冯芊雅 | Household electrical appliance fault monitoring device |
| CN110057986A (en) * | 2019-06-12 | 2019-07-26 | 郑州工程技术学院 | A kind of Atmosphere Environment Monitoring System Bases based on big data |
-
2018
- 2018-10-19 CN CN201821698149.1U patent/CN208704778U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917216A (en) * | 2019-04-17 | 2019-06-21 | 冯芊雅 | Household electrical appliance fault monitoring device |
| CN109917216B (en) * | 2019-04-17 | 2021-07-09 | 广东非凡实业投资有限公司 | Household appliance fault monitoring equipment |
| CN110057986A (en) * | 2019-06-12 | 2019-07-26 | 郑州工程技术学院 | A kind of Atmosphere Environment Monitoring System Bases based on big data |
| CN110057986B (en) * | 2019-06-12 | 2020-01-21 | 郑州工程技术学院 | Atmospheric environment monitoring system based on big data |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20211019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |