CN217605964U - Intelligent sensing current monitoring circuit - Google Patents
Intelligent sensing current monitoring circuit Download PDFInfo
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- CN217605964U CN217605964U CN202220936512.9U CN202220936512U CN217605964U CN 217605964 U CN217605964 U CN 217605964U CN 202220936512 U CN202220936512 U CN 202220936512U CN 217605964 U CN217605964 U CN 217605964U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 230000005669 field effect Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 30
- 230000003750 conditioning effect Effects 0.000 claims description 15
- 102100040678 Programmed cell death protein 1 Human genes 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 4
- 101710089372 Programmed cell death protein 1 Proteins 0.000 claims description 2
- 230000005693 optoelectronics Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000010292 electrical insulation Methods 0.000 abstract 1
- 230000009711 regulatory function Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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Abstract
The utility model relates to an industrial field, concretely relates to intelligent sensing current monitoring circuit, the circuit is including optoelectronic coupling regulating circuit, field effect regulating circuit, current monitoring circuit and the amplifier circuit of taking care of that connect in order, optoelectronic coupling regulating circuit is used for accepting the light signal that external sensor gathered, and this intelligent sensing current monitoring circuit receives the sensor signal after, through good electrical insulation ability and the interference killing feature of optoelectronic coupling regulating circuit, through field effect regulating circuit and the dual regulatory function of taking care of amplifier circuit and current monitoring circuit's control effect, can monitor the signal of telecommunication in succession, the monitoring result has advantages such as real-time, accuracy.
Description
Technical Field
The utility model relates to an industrial monitoring field, concretely relates to intelligent sensing current monitoring circuit.
Background
Industrial control means that computer technology, microelectronic technology and electric means are used, so that the production and manufacturing processes of a factory are more automatic, efficient and accurate, controllability and visibility are achieved, along with the development of science and technology, the upgrading of products is faster and faster, the requirements of the market on the aspects of environmental protection, energy conservation, cost and intelligence of the products are stricter and stricter, the real-time performance and accuracy of monitoring results are higher and higher, and the frequency of equipment operation accidents is higher and higher.
In order to ensure the continuous normal operation of the equipment, the current and the voltage of a circuit in the equipment need to be monitored in real time so as to protect the normal operation of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the invention provides an intelligent sensing current monitoring circuit which comprises a photoelectric coupling adjusting circuit, a field effect adjusting circuit, a current monitoring circuit and a conditioning amplifying circuit which are sequentially connected, wherein the photoelectric coupling adjusting circuit is used for receiving optical signals collected by an external sensor.
Optoelectronic coupling regulating circuit includes first resistance R8 and first optoelectronic coupler U3, and first optoelectronic coupler U3 includes emitting diode D1 and phototransistor PD1, and first resistance R8's one end is connected with sensor 1, and the other end is connected with emitting diode D1's pin 1, and emitting diode D1's pin 2 and the continuous signal of telecommunication in outside are connected, convert light signal into the signal of telecommunication, through phototransistor PD1 with signal of telecommunication transmission to field effect regulating circuit.
The field effect regulating circuit comprises a first triode Q1, a second resistor R7, a third resistor R6 and a first capacitor C4, an emitting electrode of the first triode Q1 is connected with a current monitoring circuit 4, a collecting electrode of the first triode Q1 is connected with a pin 3 of a photosensitive transistor PD1, one end of the first capacitor C4 is connected with a collecting electrode of the first triode Q1, the other end of the first capacitor C4 is connected with the pin 4 of the photosensitive transistor PD1 after being connected with the third resistor R6 in series, and a base electrode of the first triode Q1 is connected with a 12V power supply after being connected with the second resistor R7 in series.
The current monitoring circuit comprises a current following chip U1 and a fourth resistor R5, a 12V power supply is connected to 1 pin of the current following chip U1, a pin 2 is grounded, a pin 3 is connected with a conditioning amplifying circuit, one end of the pin 4 is connected with the base of the first triode Q1, a pin 5 is connected with a 28V power supply, the fourth resistor R5 is connected to the current following chip U1 in parallel, one end of the fourth resistor R5 is connected with the pin 4 of the current following chip U1, and the other end of the fourth resistor R5 is connected with the pin 5 of the current following chip U1.
The conditioning amplifying circuit comprises an operational amplifier U2A, a first configuration resistor R1, a second configuration resistor R2, a third configuration resistor R3, a fourth configuration resistor R4, a fifth configuration resistor R13, a first configuration capacitor C1, a second configuration capacitor C2 and a third configuration capacitor C3,
the positive input end of the operational amplifier U2A is connected with the second configuration capacitor C2 in series and then grounded, one end of a third configuration resistor R3 is connected with the positive input end of the operational amplifier U2A, and the other end of the third configuration resistor R3 is connected with a fourth configuration resistor R4 in series and then connected with a pin 3 of the current following chip U1; the negative input end of the operational amplifier U2A is connected with the first configuration resistor R1 and then is grounded, one end of the second configuration resistor R2 is connected with the negative input end of the operational amplifier U2A, and the other end of the second configuration resistor R2 is connected with the output end of the operational amplifier; the output end of the operational amplifier is connected with a fifth configuration resistor R13 in series and then outputs an AD current signal, one end of a first configuration capacitor C1 is connected between the output end of the operational amplifier and the fifth configuration resistor R13, and the other end of the first configuration capacitor C1 is grounded; one end of the third configuration capacitor C3 is connected between the third configuration resistor R3 and the fourth configuration resistor R4, and the other end is connected between the output end of the operational amplifier and the fifth configuration resistor R13.
Furthermore, the model of the current following chip U1 is ZXCT1081, the model of the photoelectric coupler U3 is OPTOISO1, and the model of the triode Q1 is IPB50N10S3L-16.
Advantageous effects
The utility model discloses the light signal that the circuit gathered through the sensor gets into photoelectric coupling regulating circuit, light signal drive photoelectric coupling regulating circuit's emitting diode, emitting diode sends the light of certain wavelength, output after being received by phototransistor produces the photocurrent signal and sends for field effect regulating circuit, field effect regulating circuit amplifies the back with current signal and exports current monitoring circuit, current monitoring circuit output 0-1 v's voltage signal to conditioning amplifier circuit, conditioning amplifier circuit exports AD current signal with voltage signal amplification back, gather by outside collector. After the intelligent sensing current monitoring circuit receives a sensor signal, the intelligent sensing current monitoring circuit can continuously monitor an electric signal through the good electric insulation capability and the anti-interference capability of the photoelectric coupling adjusting circuit, the double adjusting function of the field effect adjusting circuit and the conditioning amplifying circuit and the monitoring effect of the current monitoring circuit, and the monitoring result has the advantages of real time, accuracy and the like.
Drawings
Fig. 1 is a block diagram of the intelligent sensing current monitoring circuit of the present invention;
FIG. 2 is a circuit diagram of an intelligent sensing current monitoring circuit;
fig. 3 is a circuit diagram of the photoelectric coupling circuit of the present invention;
fig. 4 is a circuit diagram of a field effect adjustment circuit according to the present invention;
fig. 5 is a circuit diagram of the medium current monitoring circuit of the present invention;
fig. 6 is a circuit diagram of the middle-conditioning amplifying circuit of the present invention.
The device comprises a sensor 1, a photoelectric coupling circuit 2, a field effect adjusting circuit 3, a current monitoring circuit 4 and a conditioning amplifying circuit 5.
Detailed Description
The structure and applications of the present invention will be described in further detail below with reference to specific embodiments. It is to be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention. All the technologies realized based on the above mentioned contents of the present invention are covered in the protection scope of the present invention.
Referring to fig. 1, the utility model provides an intelligent sensing current monitoring circuit, including optoelectronic coupling adjusting circuit 2, field effect adjusting circuit 3, current monitoring circuit 4 and the conditioning amplifier circuit 5 that connects in order, optoelectronic coupling adjusting circuit 2 is used for accepting the light signal that external sensor 1 gathered, and sensor 1 can be optical fiber sensor.
Referring to fig. 2, the photoelectric coupling adjusting circuit 2 includes a first resistor R8 and a first photoelectric coupler U3, the first photoelectric coupler U3 includes a light emitting diode D1 and a photo transistor PD1, one end of the first resistor R8 is connected to the sensor 1, the other end is connected to a pin 1 of the light emitting diode D1, a pin 2 of the light emitting diode D1 is connected to an external continuous electric signal, an optical signal is converted into an electric signal, and the electric signal is transmitted to the field effect adjusting circuit 3 through the photo transistor PD 1.
Referring to fig. 3, the field effect adjusting circuit 3 includes a first triode Q1, a second resistor R7, a third resistor R6 and a first capacitor C4, an emitter of the first triode Q1 is connected with the current monitoring circuit 4, a collector of the first triode Q1 is connected with a pin 3 of the phototransistor PD1, one end of the first capacitor C4 is connected with the collector of the first triode Q1, the other end of the first capacitor C is connected with the pin 4 of the phototransistor PD1 after being connected with the third resistor R6 in series, and a base of the first triode Q1 is connected with a 12V power supply after being connected with the second resistor R7 in series.
Referring to fig. 4, the current monitoring circuit 4 includes a current following chip U1 and a fourth resistor R5, a 12V power supply is connected to pin 1 of the current following chip U1, pin 2 is grounded, pin 3 is connected to the conditioning and amplifying circuit 5, one end of pin 4 is connected to the base of the first triode Q1, pin 5 is connected to the 28V power supply, the fourth resistor R5 is connected in parallel to the current following chip U1, one end of the fourth resistor R5 is connected to pin 4 of the current following chip U1, and the other end is connected to pin 5 of the current following chip U1.
Referring to fig. 5, the conditioning amplifying circuit 5 includes an operational amplifier U2A, a first configuration resistor R1, a second configuration resistor R2, a third configuration resistor R3, a fourth configuration resistor R4, a fifth configuration resistor R13, a first configuration capacitor C1, a second configuration capacitor C2 and a third configuration capacitor C3,
the positive input end of the operational amplifier U2A is connected with the second configuration capacitor C2 in series and then grounded, one end of a third configuration resistor R3 is connected with the positive input end of the operational amplifier U2A, and the other end of the third configuration resistor R3 is connected with a fourth configuration resistor R4 in series and then connected with a pin 3 of the current following chip U1; the negative input end of the operational amplifier U2A is connected with the first configuration resistor R1 and then grounded, one end of the second configuration resistor R2 is connected with the negative input end of the operational amplifier U2A, and the other end of the second configuration resistor R2 is connected with the output end of the operational amplifier; the output end of the operational amplifier is connected with a fifth configuration resistor R13 in series and then outputs an AD current signal, one end of a first configuration capacitor C1 is connected between the output end of the operational amplifier and the fifth configuration resistor R13, and the other end of the first configuration capacitor C1 is grounded; one end of the third configuration capacitor C3 is connected between the third configuration resistor R3 and the fourth configuration resistor R4, and the other end is connected between the output end of the operational amplifier and the fifth configuration resistor R13.
The model of the current following chip U1 is ZXCT1081, the model of the photoelectric coupler U3 is OPTOISO1, and the model of the triode Q1 is IPB50N10S3L-16.
The utility model discloses when using, the light signal that sensor 1 gathered gets into optoelectronic coupling adjusting circuit 2, light signal drive optoelectronic coupling adjusting circuit 2's emitting diode D1, emitting diode D1 sends the light of certain wavelength, output after being received by phototransistor PD1 and produce the photocurrent signal and send for field effect adjusting circuit 3, field effect adjusting circuit 3 amplifies the back with current signal and exports current monitoring circuit 4, current monitoring circuit 4 outputs 0-1 v's voltage signal to conditioning and amplifying circuit 5, conditioning and amplifying circuit 5 exports AD current signal after amplifying voltage signal, gather by outside collector.
Claims (5)
1. The utility model provides an intelligence sensing current monitoring circuit which characterized in that: the photoelectric coupling adjusting circuit is used for receiving optical signals collected by an external sensor;
the photoelectric coupling adjusting circuit comprises a first photoelectric coupler U3, the first photoelectric coupler U3 comprises a light emitting diode D1 and a photosensitive transistor PD1, a pin 1 of the light emitting diode D1 is connected with a sensor, a pin 2 of the light emitting diode D1 is connected with an external continuous electric signal, an optical signal is converted into an electric signal, and the electric signal is transmitted to the field effect adjusting circuit through the photosensitive transistor PD 1;
the field effect regulating circuit comprises a first triode Q1, a second resistor R7, a third resistor R6 and a first capacitor C4, wherein an emitting electrode of the first triode Q1 is connected with the current monitoring circuit, a collecting electrode of the first triode Q1 is connected with a pin 3 of the photosensitive transistor PD1, one end of the first capacitor C4 is connected with a collecting electrode of the first triode Q1, the other end of the first capacitor C4 is connected with the pin 4 of the photosensitive transistor PD1 after being connected with the third resistor R6 in series, and a base electrode of the first triode Q1 is connected with a 12V power supply after being connected with the second resistor R7 in series;
the current monitoring circuit comprises a current following chip U1, wherein a pin 1 of the current following chip U1 is connected with a 12V power supply, a pin 2 is grounded, a pin 3 is connected with the conditioning and amplifying circuit, one end of a pin 4 is connected with a base electrode of a first triode Q1, and a pin 5 is connected with a 28V power supply;
the conditioning amplifying circuit comprises an operational amplifier U2A, and the output end of the operational amplifier U2A is connected with an external signal collector.
2. The intelligent sensing current monitoring circuit of claim 1, wherein: the conditioning amplifying circuit further comprises a first configuration resistor R1, a second configuration resistor R2, a third configuration resistor R3, a fourth configuration resistor R4, a fifth configuration resistor R13, a first configuration capacitor C1, a second configuration capacitor C2 and a third configuration capacitor C3, wherein the positive input end of the operational amplifier U2A is connected with the second configuration capacitor C2 in series and then grounded, one end of the third configuration resistor R3 is connected with the positive input end of the operational amplifier U2A, and the other end of the third configuration resistor R3 is connected with the fourth configuration resistor R4 in series and then connected with 3 pins of the current following chip U1; the negative input end of the operational amplifier U2A is connected with the first configuration resistor R1 and then is grounded, one end of the second configuration resistor R2 is connected with the negative input end of the operational amplifier U2A, and the other end of the second configuration resistor R2 is connected with the output end of the operational amplifier; the output end of the operational amplifier is connected with a fifth configuration resistor R13 in series and then outputs an AD current signal, one end of a first configuration capacitor C1 is connected between the output end of the operational amplifier and the fifth configuration resistor R13, and the other end of the first configuration capacitor C1 is grounded; one end of the third configuration capacitor C3 is connected between the third configuration resistor R3 and the fourth configuration resistor R4, and the other end is connected between the output end of the operational amplifier and the fifth configuration resistor R13.
3. The smart current monitor circuit of claim 1, wherein: photoelectric coupling regulating circuit still includes first resistance R8 and first photoelectric coupler U3, and first resistance R8's one end is connected with the sensor, and the other end is connected with emitting diode D1's pin 1.
4. The smart current monitor circuit of claim 1, wherein: the current monitoring circuit further comprises a fourth resistor R5, one end of the fourth resistor R5 is connected with the 4 pins of the current following chip U1, and the other end of the fourth resistor R5 is connected with the 5 pins of the current following chip U1.
5. The smart current monitor circuit of claim 1, wherein: the model of the current following chip U1 is ZXCT1081, the model of the photoelectric coupler U3 is OPTOISO1, and the model of the triode Q1 is IPB50N10S3L-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936512.9U CN217605964U (en) | 2022-04-21 | 2022-04-21 | Intelligent sensing current monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936512.9U CN217605964U (en) | 2022-04-21 | 2022-04-21 | Intelligent sensing current monitoring circuit |
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| Publication Number | Publication Date |
|---|---|
| CN217605964U true CN217605964U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220936512.9U Expired - Fee Related CN217605964U (en) | 2022-04-21 | 2022-04-21 | Intelligent sensing current monitoring circuit |
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| Country | Link |
|---|---|
| CN (1) | CN217605964U (en) |
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2022
- 2022-04-21 CN CN202220936512.9U patent/CN217605964U/en not_active Expired - Fee Related
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Granted publication date: 20221018 |