CN201653386U - Single-silk detection sensor - Google Patents
Single-silk detection sensor Download PDFInfo
- Publication number
- CN201653386U CN201653386U CN2009203178195U CN200920317819U CN201653386U CN 201653386 U CN201653386 U CN 201653386U CN 2009203178195 U CN2009203178195 U CN 2009203178195U CN 200920317819 U CN200920317819 U CN 200920317819U CN 201653386 U CN201653386 U CN 201653386U
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- silk
- circuit unit
- detection
- operational amplifier
- voltage comparator
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Abstract
The utility model relates to a single-silk detection sensor which can detect silk nodes (coarse points) and broken points of a single mulberry silk during living pupae silk reeling and provide basis for silkworm seed selection. The single-silk detection sensor is characterized by conducting detection on silks by utilizing the projection of a single silk under the irradiation of infrared light; and the single-silk detection sensor is provided with a light path detection unit, a voltage comparison circuit unit for detecting broken points and a voltage comparison circuit unit for detecting silk nodes (coarse points), wherein the light path detection unit comprises an infrared light emitting tube, a photoelectric triode and an operational amplifier, the output end of the operational amplifier is simultaneously connected with the input end of the voltage comparison circuit unit for detecting broken points and the voltage comparison circuit unit for detecting silk nodes (coarse points), and the two voltage comparison circuit units respectively output detection signals outwards. The single-silk detection sensor has the advantages of detecting the silk nodes (coarse points) and broken points of a single mulberry silk during living pupae silk reeling and providing basis for silkworm seed selection.
Description
Technical field
The utility model relates to a kind of a chain for binding criminals joint (rough point) and breakpoint that detects single silkworm in the living pupa and cocoon-reeling process, and the single silk detecting sensor of foundation is provided for the silkworm seed selection.
Background technology
Living pupa and cocoon-reeling is exactly that the silk of the pupa silk cocoon of living is extracted out, to a chain for binding criminals joint (rough point) and the breakpoint counting of silk, to estimate the quality of silk, selects the high-quality silkworm egg.Classic method is with the naked eye to observe number go out a chain for binding criminals joint (rough point) and breakpoint, not only wastes time and energy, and also has subjective bias factor simultaneously, that is: different detection persons or same detection person are at the difference moment, the result error that causes because of judgment is inconsistent.Adopt single silk detecting sensor in the living pupa and cocoon-reeling process, silk to be detected in real time, just can measure a chain for binding criminals joint (rough point) and the breakpoint of silk apace with unified standard, obtain objective and accurate testing result.
The utility model content
The purpose of this utility model just provides a kind ofly can carry out the single silk detecting sensor that a chain for binding criminals joint (rough point) and breakpoint detect to operating silk.
Solution of the present utility model is such: utilize the formed projection under the infrared light irradiation of single silk that silk is detected, therefore the utlity model has and include the infraluminescence pipe, the light path detecting unit of phototriode and operational amplifier, the voltage comparator circuit unit that is used to detect the voltage comparator circuit unit of breakpoint and is used to detect a chain for binding criminals joint (rough point), the output terminal of operational amplifier joins with the voltage comparator circuit unit input end that is used to detect the voltage comparator circuit unit input end of breakpoint and is used to detect a chain for binding criminals joint (rough point) simultaneously, by two voltage comparator circuit unit outside output detection signals respectively.
Infrared light is radiated on the operating silk, the shade of silk is incident upon on the photoelectric tube, the voltage that photoelectric tube produces and the inversely proportional relation of projected area of silk, and the diameter of the projected area of silk and silk relation in direct ratio, then the voltage that produces of photoelectric tube promptly with the inversely proportional relation of the diameter of silk; When detecting light path, because the sudden change of diameter causes its projected area sudden change, the voltage that this moment, photoelectric tube produced is sudden change thereupon also as the silk of a chain for binding criminals joint, this jump signal is amplified and with setting value relatively be decidable its whether a chain for binding criminals saves (rough point).
Silk can produce the very little crude signal of amplitude when moving by the detection light path, this crude signal is amplified and detect as the foundation of judging breakpoint: if crude signal exists, then silk moves, and does not break, if crude blackout, then silk is disconnected.
The utility model has the advantages that a chain for binding criminals joint (rough point) and the breakpoint that in the living pupa and cocoon-reeling process, detect single mulberry silk, for the silkworm seed selection provides foundation.
Description of drawings
Accompanying drawing is embodiment of the present utility model.
Structural representation when accompanying drawing 1 is the utility model infraluminescence pipe D1 and phototriode Q2 detection.
Accompanying drawing 2 is circuit theory diagrams of the present utility model.
Embodiment
The utlity model has the light path detecting unit that includes infraluminescence pipe D1, phototriode Q2 and operational amplifier U1A, be used to detect the voltage comparator circuit unit of breakpoint and be used to detect the voltage comparator circuit unit of a chain for binding criminals joint (rough point), the output terminal of operational amplifier U1A joins with the voltage comparator circuit unit input end that is used to detect the voltage comparator circuit unit input end of breakpoint and is used to detect a chain for binding criminals joint (rough point) simultaneously, by two voltage comparator circuit unit outside output detection signals respectively.
In the present embodiment:
In the structure shown in the accompanying drawing 1, silk 2 on the pupa 1 alive is connected to the cylinder 4 of rotation, be separately installed with infraluminescence pipe D1 and phototriode Q2 in the both sides of silk 2, silk 2 is positioned at the infrared light region 5 of infraluminescence pipe D1, at infraluminescence pipe D1 front end frosted glass 6 is installed, optical filter 3 is installed at the front end of phototriode Q2.
The voltage comparator circuit unit of described detection breakpoint has the breakpoint detector amplefier that is made of operational amplifier U4D, the signal that receives is carried out detection amplify; The comparer that is made of operational amplifier (U4B) is connected with the breakpoint detector amplefier, and the signal after the detection is compared; Wherein said breakpoint detector amplefier is to adopt anti-phase negative value detector amplefier.
The voltage comparator circuit unit of described detection a chain for binding criminals joint (rough point) has a chain for binding criminals joint (rough point) detector amplefier that is made of operational amplifier U4A, the signal that receives is carried out detection amplify; The comparer that is made of voltage comparator U3A is connected, the signal after the detection is compared with a chain for binding criminals joint (rough point) detector amplefier; Wherein said a chain for binding criminals joint (rough point) detector amplefier is to adopt on the occasion of the detection comparison amplifier.
For increasing control accuracy, present embodiment also has the constant intensity control circuit, and the constant intensity control circuit is to be connected to infraluminescence pipe D1; The input end of wherein said constant intensity control circuit is to be connected with the output terminal of operational amplifier U1A.
The principle of work of present embodiment is:
Infraluminescence pipe D1, phototriode Q2 form the light path detecting unit.After Q2 receives the infrared light of D1 emission, produce correspondent voltage at its emitter, this voltage inputs to operational amplifier U1A by resistance R 14 and amplifies, and the voltage signal after U1A amplifies is divided into three the tunnel: be connected to respectively: constant intensity control circuit, breakpoint testing circuit, a chain for binding criminals joint (rough point) testing circuit.
Constant intensity control circuit: have operational amplifier U1D and U1B to constitute negative feedback and make that the luminous intensity of D1 is not invariable when the diameter of silk changes; The large time constant wave filter that has resistance R 7, R8, voltage stabilizing diode D2, capacitor C 2 to constitute makes that the luminous intensity of D1 is insensitive to the gradual change of silk diameter, only to the sensitivity of suddenling change.
The voltage signal of breakpoint testing circuit: U1A output is coupled to the anti-phase negative value detector amplefier that is made of operational amplifier U4D through capacitor C 17 and carries out the detection amplification, the anti-phase positive voltage signal that zooms into of negative voltage signal in the crude signal that produces when silk is moved, this positive voltage signal compares with setting voltage that potentiometer R30 sets up in the comparer that is made of operational amplifier U4B, when the voltage of U4D output is higher than setting voltage, U4B exports Kopin voltage, after two not gate U2A and U2D shaping, export, and light light emitting diode D26 simultaneously.
The voltage signal of reel silk from cocoons joint (rough point) testing circuit: U1A output enter by operational amplifier U4A constitute on the occasion of the detection comparison amplifier, the direct mutation voltage signal that silk reel silk from cocoons joint is caused detect and with by the rough spot diameter setting voltage of C1 end input relatively, be higher than setting voltage as direct mutation voltage, the U4A output high level voltage, this high level voltage is by 20 chargings of 45 pairs of capacitor C of resistance R, the voltage of C20 holds the rough block length setting voltage of input to compare with C3 in comparer U3A, as be higher than setting voltage, U3A output low level voltage, this low level voltage signal are reel silk from cocoons joint (rough point) signal on the detected silk.
In the present embodiment, the C1 end: be connected with a steady voltage source, this voltage is rough spot diameter setting voltage, changes this voltage and can change the size criteria of judging rough point.
The C2 end: be connected with a steady voltage source, this voltage is silk diameter setting voltage, changes the output sensitivity that this voltage can change phototriode Q2.Silk to different-diameter is set different C2 terminal voltage values, can guarantee that rough point detects result's consistance.
The C3 end: be connected with a steady voltage source, this voltage is rough length setting voltage, changes this voltage and can change the length standard of judging rough point.
The A7 end: the signal output part of sensor is low level state when detecting at rough, otherwise is high level state.According to this end state decidable whether rough point is arranged.
A0 end: when the signal output part of sensor, normal wire is high level state, is low level state when not wire or fracture of wire.According to this end state decidable fracture of wire whether.
Claims (7)
1. single silk detecting sensor, it is characterized in that having the light path detecting unit that includes infraluminescence pipe (D1), phototriode (Q2) and operational amplifier (U1A), be used to detect the voltage comparator circuit unit of breakpoint and be used to detect the voltage comparator circuit unit of a chain for binding criminals joint, the output terminal of operational amplifier (U1A) joins with the voltage comparator circuit unit input end that is used to detect the voltage comparator circuit unit input end of breakpoint and is used to detect a chain for binding criminals joint simultaneously, by two voltage comparator circuit unit outside output detection signals respectively.
2. single silk detecting sensor according to claim 1 is characterized in that having the constant intensity control circuit, and the constant intensity control circuit is to be connected to infraluminescence pipe (D1).
3. single silk detecting sensor according to claim 2, the input end that it is characterized in that described constant intensity control circuit are to be connected with the output terminal of operational amplifier (U1A).
4. single silk detecting sensor according to claim 1 is characterized in that the voltage comparator circuit unit of described detection breakpoint has the breakpoint detector amplefier that is made of operational amplifier (U4D), the signal that receives is carried out detection amplify; The comparer that is made of operational amplifier (U4B) is connected with the breakpoint detector amplefier, and the signal after the detection is compared.
5. single silk detecting sensor according to claim 4 is characterized in that described breakpoint detector amplefier is to adopt anti-phase negative value detector amplefier.
6. single silk detecting sensor according to claim 1 is characterized in that the voltage comparator circuit unit of described detection a chain for binding criminals joint has a chain for binding criminals joint detector amplefier that is made of operational amplifier (U4A), the signal that receives is carried out detection amplify; The comparer that is made of voltage comparator (U3A) is connected with a chain for binding criminals joint detector amplefier, and the signal after the detection is compared.
7. single silk detecting sensor according to claim 6 is characterized in that described a chain for binding criminals joint detector amplefier is to adopt on the occasion of the detection comparison amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203178195U CN201653386U (en) | 2009-12-18 | 2009-12-18 | Single-silk detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203178195U CN201653386U (en) | 2009-12-18 | 2009-12-18 | Single-silk detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201653386U true CN201653386U (en) | 2010-11-24 |
Family
ID=43118627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203178195U Expired - Fee Related CN201653386U (en) | 2009-12-18 | 2009-12-18 | Single-silk detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201653386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787370A (en) * | 2011-05-17 | 2012-11-21 | 山东省蚕业研究所 | Device for detecting cocoon silk breaking of reeling machine by using piezoelectric ceramics |
| CN104330056A (en) * | 2014-10-23 | 2015-02-04 | 西南大学 | Method of accurately measuring cross section area of single silk and application thereof |
| CN106441127A (en) * | 2016-08-31 | 2017-02-22 | 洞头默克蒂森工业自动化有限公司 | Tubing diameter and surface recess-protrusion detector |
-
2009
- 2009-12-18 CN CN2009203178195U patent/CN201653386U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787370A (en) * | 2011-05-17 | 2012-11-21 | 山东省蚕业研究所 | Device for detecting cocoon silk breaking of reeling machine by using piezoelectric ceramics |
| CN104330056A (en) * | 2014-10-23 | 2015-02-04 | 西南大学 | Method of accurately measuring cross section area of single silk and application thereof |
| CN104330056B (en) * | 2014-10-23 | 2017-02-15 | 西南大学 | Method of accurately measuring cross section area of single silk and application thereof |
| CN106441127A (en) * | 2016-08-31 | 2017-02-22 | 洞头默克蒂森工业自动化有限公司 | Tubing diameter and surface recess-protrusion detector |
| CN106441127B (en) * | 2016-08-31 | 2019-02-26 | 洞头默克蒂森工业自动化有限公司 | A kind of pipe diameter and concave-convex surface detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |