CN112880710B - Photoelectric detection circuit and interval type photoelectric detector with same - Google Patents
Photoelectric detection circuit and interval type photoelectric detector with same Download PDFInfo
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- CN112880710B CN112880710B CN202110049826.7A CN202110049826A CN112880710B CN 112880710 B CN112880710 B CN 112880710B CN 202110049826 A CN202110049826 A CN 202110049826A CN 112880710 B CN112880710 B CN 112880710B
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 73
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000004806 packaging method and process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
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Abstract
The invention relates to the technical field of photoelectric sensors, in particular to a photoelectric detection circuit and an interval type photoelectric detector with the same, wherein the photoelectric detection circuit comprises a silicon optical chip, the silicon optical chip is electrically connected to one end of a capacitor C1, the other end of the capacitor C1 is connected to one end of a resistor R2 and a base electrode of a triode V0, an emitting electrode of the triode V0 is grounded, and a collector electrode of the triode V0 is connected to the other end of a resistor R2, one end of the resistor R3 and one end of the capacitor C2; the other end of the resistor R3 is connected to one end of a capacitor C8, one end of a resistor R6 and one end of a resistor R4; the invention can realize the accurate detection of the appearance quality and the quantity of the cigarettes, has the advantage of high sensitivity, can effectively control the quality of products, improves the production efficiency of a production line, avoids the phenomena of false detection and missing detection, has outstanding use effect, reduces the material consumption of the products, and ensures the high-speed operation of the production line.
Description
Technical Field
The invention relates to the technical field of photoelectric sensors, in particular to a photoelectric detection circuit and an interval type photoelectric detector with the same.
Background
The production process of products is monitored and controlled by an automatic production line in the industries of textile, cigarette, pharmacy, chemical industry, food and the like at present, and the aim is to screen out unqualified products and control the qualification rate of the products conveniently.
In the production of cigarettes, the conditions of inaccurate cigarette quality or packaging quantity, irregular cigarette appearance, breakage and the like can often occur, and if the cigarette cannot be found and stopped immediately, quality problems can occur, so that product loss is caused. In the cigarette packaging process, the number of cigarettes must be accurately controlled, the appearance is free of concave-convex conditions and the like, otherwise, the cigarettes are removed uniformly according to unqualified products, the running speed of a cigarette packaging line is very high, and the packaging speed of the existing high-speed packaging machine is as high as 800 cigarettes/minute.
How to realize the accurate detection to a cigarette quality or packing quantity, in time detect the running state of a cigarette, stop to produce the quality problem, prevent the unqualified phenomenon of packing quantity from appearing, guarantee the normal high-speed operation of cigarette production line, have important meaning to cigarette production, in view of this, provide this application.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a photoelectric detection circuit which can reliably detect the appearance quality and the quantity of cigarettes on a high-speed production line.
In order to achieve the purpose, the invention adopts the following technical scheme:
a photoelectric detection circuit comprises a silicon microchip, wherein the silicon microchip is electrically connected to one end of a capacitor C1, the other end of the capacitor C1 is connected to one end of a resistor R2 and the base of a triode V0, the emitter of the triode V0 is grounded, and the collector of the triode V0 is connected to the other end of a resistor R2, one end of a resistor R3 and one end of a capacitor C2;
the other end of the resistor R3 is connected to one end of a capacitor C8, one end of a resistor R6 and one end of a resistor R4, the other end of the capacitor C2 is connected to one end of a resistor R5 and the base of a triode V1,
the emitter of the triode V1 is grounded, and the collector of the triode V1 is connected to the other end of the resistor R5, the other end of the resistor R4 and one end of the capacitor C4;
the other end of the capacitor C4 is connected to the base of a triode V2 and one end of a resistor R7, the emitter of the triode V2 is grounded, and the collector of the triode V2 is connected to the anode of a diode D2 and one end of a resistor R8;
the cathode of the diode D2 is connected to one end of a capacitor C5, one end of a resistor R13 and one end of a resistor R14, and the other ends of the capacitor C5 and the resistor R13 are grounded;
the other end of the resistor R14 is connected to the 11 terminal of the amplifier U5 and one end of the resistor R16,
the 10 end of the amplifier U5 is connected to the 5 end of an amplifier U3 and one end of a resistor R15, the 6 end of the amplifier U3 is connected to one end of a resistor R18, the other end of the resistor R18 is connected to the anode of an LED indicator light H1, and the cathode of the LED indicator light H1 is grounded;
the other end of the resistor R15 is connected to the cathode of the diode D3 and the 1 end of the amplifier U1, the 2 end of the amplifier U1 is connected to the other end of the resistor R16 and the one end of the resistor R17, the other end of the resistor R17 is connected to the base of the triode V4, the emitter of the triode V4 is grounded, the collector of the triode V4 is connected to the one end of the resistor R23 and the base of the triode V7, the collector of the triode V7 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the one end of the resistor R28 and the output connector OUT, and the other end of the resistor R28 is grounded;
the other end of the resistor R6 is connected to the other end of the resistor R7, one end of the resistor R11, one end of the capacitor C11, one end of the capacitor C10, the 14 end of the amplifier U2, one end of the resistor R19 and the 3 end of the voltage stabilizer U6;
the other end of the resistor R11 is connected to one end of a capacitor C9 and the collector of a triode V3, the other end of the capacitor C9 is grounded, the emitter of the triode V3 is connected to the anode of a red light emitter H2 through a resistor R12, and the cathode of the red light emitter H2 is grounded;
the base electrode of the triode V3 is connected to the other end of the resistor R8, the 8 end of the amplifier U4, one end of the resistor R9 and one end of the resistor R10, the 9 end of the amplifier U4 is connected to one end of the capacitor C7, the other end of the resistor R9 and the cathode of the diode D1, the anode of the diode D1 is connected to the other end of the resistor R10, and the other end of the capacitor C7 is grounded;
the other ends of the capacitor C11 and the capacitor C10 are both grounded;
the 4 end of the amplifier U2 is connected to the anode of a diode D3, the 7 end of the amplifier U2 is grounded, the 3 end of the amplifier U2 is connected to one end of a capacitor C14, the other end of a resistor R19 and one end of a resistor R20, the other end of the capacitor C14 is grounded, the other end of the resistor R20 is connected to the collector of a triode V6, the emitter of the triode V6 is grounded, the base of the triode V6 is connected to one end of the resistor R22 and one end of a resistor R21, the other end of the resistor R22 is grounded, the other end of the resistor R21 is connected to the collector of a triode V5,
an emitter of the triode V5 is connected to the 1 end of the voltage stabilizer U6, one end of the capacitor C12, one end of the capacitor C13, the other end of the resistor R23, one end of the transient suppression tube VZ3 and one end of the resistor R26;
the 2 end of the voltage stabilizer U6 is grounded, the other ends of the capacitor C12, the capacitor C13 and the transient suppression tube VZ3 are grounded, the other end of the resistor R26 is connected to one end of a resistor R27 and the cathode of a diode D4, and the other end of the resistor R27 is connected to one end of the resistor R24 and the emitter of a triode V7; the other end of the resistor R24 is connected to the base of the triode V5;
the anode of the diode D4 is connected to the output connector + U.
A section type photoelectric detector is provided with the photoelectric detection circuit.
Compared with the prior art, the invention has the following technical effects:
the photoelectric detection circuit and the interval type photoelectric detector based on the photoelectric detection circuit can realize accurate detection of the appearance quality and the quantity of cigarettes, have the advantage of high sensitivity, can effectively control the quality of products, improve the production efficiency of a production line, avoid the phenomena of false detection and missed detection, have outstanding use effect, reduce the material consumption of the products and ensure the high-speed operation of the production line.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic diagram of a photodetection circuit according to the present invention;
FIG. 2 is a schematic structural diagram of an interval type photodetector according to the present invention;
the reference numbers in the figures illustrate: 10-box body, 11-cover plate, 111-shielding plate, 12-first biconvex lens, 13-second biconvex lens, 14-hexagonal copper column, 15-M4 fixing hole, 20-silicon light detection plate, 30-main circuit board, 31-red light emitter, 32-LED indicator light, 40-reflector and 50-connector.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention provides a photodetection circuit, including a silicon microchip, said silicon microchip is electrically connected to one end of a capacitor C1, another end of said capacitor C1 is connected to one end of a resistor R2 and a base of a transistor V0, an emitter of said transistor V0 is grounded, a collector of said transistor V0 is connected to another end of a resistor R2, one end of a resistor R3 and one end of a capacitor C2;
the other end of the resistor R3 is connected to one end of a capacitor C8, one end of a resistor R6 and one end of a resistor R4, the other end of the capacitor C2 is connected to one end of a resistor R5 and the base of a triode V1,
the emitter of the triode V1 is grounded, and the collector of the triode V1 is connected to the other end of the resistor R5, the other end of the resistor R4 and one end of the capacitor C4;
the other end of the capacitor C4 is connected to the base of a triode V2 and one end of a resistor R7, the emitter of the triode V2 is grounded, and the collector of the triode V2 is connected to the anode of a diode D2 and one end of a resistor R8;
the cathode of the diode D2 is connected to one end of a capacitor C5, one end of a resistor R13 and one end of a resistor R14, and the other ends of the capacitor C5 and the resistor R13 are grounded;
the other end of the resistor R14 is connected to the 11 terminal of the amplifier U5 and one end of the resistor R16,
the 10 end of the amplifier U5 is connected to the 5 end of an amplifier U3 and one end of a resistor R15, the 6 end of the amplifier U3 is connected to one end of a resistor R18, the other end of the resistor R18 is connected to the anode of an LED indicator light H132, and the cathode of the LED indicator light H132 is grounded;
the other end of the resistor R15 is connected to the cathode of the diode D3 and the 1 end of the amplifier U1, the 2 end of the amplifier U1 is connected to the other end of the resistor R16 and the one end of the resistor R17, the other end of the resistor R17 is connected to the base of the triode V4, the emitter of the triode V4 is grounded, the collector of the triode V4 is connected to the one end of the resistor R23 and the base of the triode V7, the collector of the triode V7 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the one end of the resistor R28 and the output connector OUT, and the other end of the resistor R28 is grounded;
the other end of the resistor R6 is connected to the other end of the resistor R7, one end of the resistor R11, one end of the capacitor C11, one end of the capacitor C10, the 14 end of the amplifier U2, one end of the resistor R19 and the 3 end of the voltage stabilizer U6;
the other end of the resistor R11 is connected to one end of a capacitor C9 and the collector of a triode V3, the other end of the capacitor C9 is grounded, the emitter of the triode V3 is connected to the anode of the red light emitter H231 through a resistor R12, and the cathode of the red light emitter H231 is grounded;
the base electrode of the triode V3 is connected to the other end of the resistor R8, the 8 end of the amplifier U4, one end of the resistor R9 and one end of the resistor R10, the 9 end of the amplifier U4 is connected to one end of the capacitor C7, the other end of the resistor R9 and the cathode of the diode D1, the anode of the diode D1 is connected to the other end of the resistor R10, and the other end of the capacitor C7 is grounded;
the other ends of the capacitor C11 and the capacitor C10 are both grounded;
the 4 end of the amplifier U2 is connected to the anode of a diode D3, the 7 end of the amplifier U2 is grounded, the 3 end of the amplifier U2 is connected to one end of a capacitor C14, the other end of a resistor R19 and one end of a resistor R20, the other end of the capacitor C14 is grounded, the other end of the resistor R20 is connected to the collector of a triode V6, the emitter of the triode V6 is grounded, the base of the triode V6 is connected to one end of the resistor R22 and one end of a resistor R21, the other end of the resistor R22 is grounded, the other end of the resistor R21 is connected to the collector of a triode V5,
an emitter of the triode V5 is connected to the 1 end of the voltage stabilizer U6, one end of the capacitor C12, one end of the capacitor C13, the other end of the resistor R23, one end of the transient suppression tube VZ3 and one end of the resistor R26;
the 2 end of the voltage stabilizer U6 is grounded, the other ends of the capacitor C12, the capacitor C13 and the transient suppression tube VZ3 are grounded, the other end of the resistor R26 is connected to one end of a resistor R27 and the cathode of a diode D4, and the other end of the resistor R27 is connected to one end of the resistor R24 and the emitter of a triode V7; the other end of the resistor R24 is connected to the base of the triode V5;
the anode of the diode D4 is connected to the output connector + U.
The invention also provides a range type photoelectric detector, which is provided with the photoelectric detection circuit, and further, as shown in fig. 2, the range type photoelectric detector comprises a box body 10, a cover plate 11 is arranged at an opening of the box body 10, and a shielding plate 111 is arranged on one side of the cover plate 11, which is close to a box cavity; a first biconvex lens 12 and a second biconvex lens 13 which are arranged at intervals are arranged on the side wall of one side of the box body 10; a silicon photo detector plate 20, a main circuit board 30 electrically communicated with the silicon photo detector plate 20, a reflector 40 and a connector 50 are arranged in a box cavity of the box body 10; the main circuit board 30 is provided with a red light emitter 31 and an LED indicator light 32, the red light emitter 31 emits light through the first biconvex lens 12, and the second biconvex lens 13 transmits the change signal of the light to the silicon photo detector 20 through the reflector 40; when the photodetector detects an object, the output terminal of the main circuit board 30 changes from low level to high level, and at the same time, the LED indicator 32 lights up. The silicon photo detector plate 20 comprises a silicon photo chip.
The bottom of the box body 10 extends upwards to form a hexagonal copper column 14, and the hexagonal copper column 14 penetrates through and is fixedly connected with the main circuit board 30 and is fixedly connected with the cover plate 11 into a whole.
The connector 50 is an M9 round three-pin plug.
The box body 10 is provided with at least two M4 fixing holes 15 for screws to lock and fix the cover plate 11 on the box body 10.
The interval type photoelectric detector provided by the invention has an EMC anti-electromagnetic compatibility function, can work in a complex electromagnetic environment, has a working voltage of DC 10V-30V, a working current of less than or equal to 50mA, a load current of less than or equal to 150mA, and has an overcurrent protection function; detection distance 50mm, detection interval 10mm, resolution ratio 1mm, corresponding time 0.1ms, output mode PNP NO, service environment: the temperature is-20 to +60 ℃, and the relative humidity is less than or equal to 85 percent. When the detector detects an object, the detector output (out) changes from low to high, while the LED indicator lights up.
The photoelectric detection circuit and the interval type photoelectric detector based on the photoelectric detection circuit have the advantage of high sensitivity, can accurately detect small objects, are not influenced by the shapes and colors of the objects, can detect opaque objects with various shapes and convex surfaces, can shield objects except the background, and can reliably detect the change of the surfaces of the objects.
The photoelectric detection circuit and the interval type photoelectric detector based on the photoelectric detection circuit can be installed through two M4 fastening screw holes, are provided with LED indicating lamps, can adopt an imported standard M9 circular locking mode, have the advantages of reliable connection, small size, wide application and high reliability, and can be suitable for various automatic control fields.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A photoelectric detection circuit is characterized by comprising a silicon microchip, wherein the silicon microchip is electrically connected to one end of a capacitor C1, the other end of the capacitor C1 is connected to one end of a resistor R2 and the base of a triode V0, the emitter of the triode V0 is grounded, and the collector of the triode V0 is connected to the other end of a resistor R2, one end of a resistor R3 and one end of a capacitor C2;
the other end of the resistor R3 is connected to one end of a capacitor C8, one end of a resistor R6 and one end of a resistor R4, the other end of the capacitor C2 is connected to one end of a resistor R5 and the base of a triode V1,
the emitter of the triode V1 is grounded, and the collector of the triode V1 is connected to the other end of the resistor R5, the other end of the resistor R4 and one end of the capacitor C4;
the other end of the capacitor C4 is connected to the base of a triode V2 and one end of a resistor R7, the emitter of the triode V2 is grounded, and the collector of the triode V2 is connected to the anode of a diode D2 and one end of a resistor R8;
the cathode of the diode D2 is connected to one end of a capacitor C5, one end of a resistor R13 and one end of a resistor R14, and the other ends of the capacitor C5 and the resistor R13 are grounded;
the other end of the resistor R14 is connected to the 11 terminal of the amplifier U5 and one end of the resistor R16,
the 10 end of the amplifier U5 is connected to the 5 end of an amplifier U3 and one end of a resistor R15, the 6 end of the amplifier U3 is connected to one end of a resistor R18, the other end of the resistor R18 is connected to the anode of an LED indicator light H1, and the cathode of the LED indicator light H1 is grounded;
the other end of the resistor R15 is connected to the cathode of the diode D3 and the 1 end of the amplifier U1, the 2 end of the amplifier U1 is connected to the other end of the resistor R16 and the one end of the resistor R17, the other end of the resistor R17 is connected to the base of the triode V4, the emitter of the triode V4 is grounded, the collector of the triode V4 is connected to the one end of the resistor R23 and the base of the triode V7, the collector of the triode V7 is connected to the anode of the diode D5, the cathode of the diode D5 is connected to the one end of the resistor R28 and the output connector OUT, and the other end of the resistor R28 is grounded;
the other end of the resistor R6 is connected to the other end of the resistor R7, one end of the resistor R11, one end of the capacitor C11, one end of the capacitor C10, the 14 end of the amplifier U2, one end of the resistor R19 and the 3 end of the voltage stabilizer U6;
the other end of the resistor R11 is connected to one end of a capacitor C9 and the collector of a triode V3, the other end of the capacitor C9 is grounded, the emitter of the triode V3 is connected to the anode of a red light emitter H2 through a resistor R12, and the cathode of the red light emitter H2 is grounded;
the base electrode of the triode V3 is connected to the other end of the resistor R8, the 8 end of the amplifier U4, one end of the resistor R9 and one end of the resistor R10, the 9 end of the amplifier U4 is connected to one end of the capacitor C7, the other end of the resistor R9 and the cathode of the diode D1, the anode of the diode D1 is connected to the other end of the resistor R10, and the other end of the capacitor C7 is grounded;
the other ends of the capacitor C11 and the capacitor C10 are both grounded;
the 4 end of the amplifier U2 is connected to the anode of a diode D3, the 7 end of the amplifier U2 is grounded, the 3 end of the amplifier U2 is connected to one end of a capacitor C14, the other end of a resistor R19 and one end of a resistor R20, the other end of the capacitor C14 is grounded, the other end of the resistor R20 is connected to the collector of a triode V6, the emitter of the triode V6 is grounded, the base of the triode V6 is connected to one end of the resistor R22 and one end of a resistor R21, the other end of the resistor R22 is grounded, the other end of the resistor R21 is connected to the collector of a triode V5,
an emitter of the triode V5 is connected to the 1 end of the voltage stabilizer U6, one end of the capacitor C12, one end of the capacitor C13, the other end of the resistor R23, one end of the transient suppression tube VZ3 and one end of the resistor R26;
the 2 end of the voltage stabilizer U6 is grounded, the other ends of the capacitor C12, the capacitor C13 and the transient suppression tube VZ3 are grounded, the other end of the resistor R26 is connected to one end of a resistor R27 and the cathode of a diode D4, and the other end of the resistor R27 is connected to one end of the resistor R24 and the emitter of a triode V7; the other end of the resistor R24 is connected to the base of the triode V5;
the anode of the diode D4 is connected to the output connector + U.
2. An zoned photodetector, characterized in that the photodetector has the photodetection circuit according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110049826.7A CN112880710B (en) | 2021-01-14 | 2021-01-14 | Photoelectric detection circuit and interval type photoelectric detector with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110049826.7A CN112880710B (en) | 2021-01-14 | 2021-01-14 | Photoelectric detection circuit and interval type photoelectric detector with same |
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| CN112880710A CN112880710A (en) | 2021-06-01 |
| CN112880710B true CN112880710B (en) | 2022-04-22 |
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