CN100348951C - High performance photoelectric position controller capable of using in adverse circumstances - Google Patents
High performance photoelectric position controller capable of using in adverse circumstances Download PDFInfo
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- CN100348951C CN100348951C CNB2006100097924A CN200610009792A CN100348951C CN 100348951 C CN100348951 C CN 100348951C CN B2006100097924 A CNB2006100097924 A CN B2006100097924A CN 200610009792 A CN200610009792 A CN 200610009792A CN 100348951 C CN100348951 C CN 100348951C
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- photoelectric tube
- light
- guide rail
- photoelectric
- graphite flake
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Abstract
The present invention provides a high performance photoelectric position control device used in adverse circumstances. The device comprises a laser transmitter, a photoelectric cell, an adjustable resistor, a graphite flake, an adjustable support and an analog electronic switch, wherein the photoelectric cell is arranged on the adjustable support; the laser transmitter is positioned in front of the adjustable support; the graphite flake is in a wafer-shaped structure, and the center of a circle of the graphite flake is provided with a small hole; the graphite flake is fixed on one side of a light circuit which is composed of the laser transmitter and the photoelectric cell, and the side of the light circuit is near the photoelectric cell; the photoelectric cell receives optical signals of a light source of the laser transmitter and transforms the optical signals into analog voltage signals which are transmitted to the adjustable resistor by a conducting wire; the adjustable resistor is connected with the analog electronic switch by a conducting wire. The present invention can work normally in the experimental environment which is disturbed by high temperature, strong magnetism and strong arc light. Experiments show that the present invention can work normally and the sensitivity of position discrimination is about 0.1mm in the environment of the disturbance of a magnetic field which is initiated by 10000VAC and the strong arc light which is initiated by a plasma electric arc.
Description
(1) technical field
What the present invention relates to is a kind of control device, specifically a kind of high performance photoelectric position controller that is applied in the experimental situation that high temperature, strong magnetic and strong arc light disturb.
(2) background technology
With the AC plasma electro-arc heater is in the heat resistant material ground experimental system for simulating of core, test specimen will change owing to its axial dimension of ablation under ultra high temperature effect, cause the residing flow field of test specimen front end face environment to change, influenced experimental precision greatly, in order to keep the fixing of test specimen front end face and well heater relative position, need in experimentation, test specimen be sent to the well heater direction by the test specimen feed mechanism according to putting into practice axis change in size situation in real time.But the axis change in size of test specimen in experimentation is very small being difficult to judges that by naked eyes it is impossible sending test specimen to by artificial control feed mechanism in experimentation.Simultaneously, its ablation situation difference of different test specimens, the axis change in size situation in the experimentation are also just different, even same test specimen is because the situation of change of its axis size of dispersiveness of material self is also different.This has just caused, and the real-time change situation of test specimen axis size is unpredictable in the experimentation, also is impossible so send test specimen to by prior given feeding mode by automatic technology control test specimen feed mechanism in experimentation.In this case, adopting the photoelectric position controller control test specimen feed mechanism have quick action, precision height, to be convenient to advantages such as Long-distance Control to implement to send to test specimen in experimentation is unique feasible scheme.But traditional photoelectric position controller complex structure, inconvenience maintenance, to responsive to temperature, poor anti jamming capability are especially for existing extraneous robbing in the environment that light disturbs to rise almost and can't normally use.
AC plasma electro-arc heater operating voltage is in the 3000-10000VAC scope; arc temperature is more than 2500-3000 ℃; because its three-phase neutral point of well heater oneself requirement can not ground protection; and because the voltage of physical condition restriction (well heater imbalance of three-phase voltage) its theoretical neutral point is non-vanishing, well heater is starting and is stopping the time space electromagnetic field formation electromagnetic interference (EMI) that can have greatly changed.In the experimentation, the electric arc that well heater took place will produce very strong arc light.At present domestic photoelectric position controller almost do not have a kind of can be in operate as normal in rugged environment like this.
(3) summary of the invention
The object of the present invention is to provide a kind of can be in the experimental situation that high temperature, strong magnetic and strong arc light disturb operate as normal can be applicable to high performance photoelectric position controller under the rugged surroundings.
The object of the present invention is achieved like this: it comprises generating laser, photoelectric tube, adjustable resistance, graphite flake, adjustable support and simulant electronic switch, photoelectric tube is installed on the adjustable support, generating laser is positioned at photoelectric tube the place ahead, graphite flake is the center of circle disk type structure that has aperture, it is fixed in the light path that generating laser and photoelectric tube constitute the side near photoelectric tube, photoelectric tube receives generating laser light source light signal and is translated into analog voltage signal and links to each other with adjustable resistance by lead, and adjustable resistance links to each other with simulant electronic switch by lead.
The present invention can also comprise following architectural feature:
1, described adjustable support comprises two milscales, guide rail and slide blocks of base, vertical placement mutually, guide rail is located with the bolt that passes the base center by four guide rods that are fixed on the base, the jig that the Ω shape that can slide along guide rail is arranged on the guide rail, the milscale of horizontal positioned is fixed on the guide rail by the jig of Ω shape, the vertical milscale of placing is fixed on the probe of horizontal milscale by Г type jig, the vertical tips of probes of milscale of placing is by the wooden slide block of screw retention, upper end of slide block fixed light fulgurite.
Generating laser of the present invention produces laser, photoelectric tube receives the light source light signal and is translated into analog voltage signal whether control simulant electronic switch conducting by this analog voltage signal after the adjustable resistance dividing potential drop, the duty of simulant electronic switch control test specimen feed mechanism.In the experimentation, test specimen is placed in its front end face blocking-up light path on the light path between generating laser and the broadcasting and TV pipe, conducting light paths photoelectric tube output voltage rises when the test specimen axial dimension changes, drive simulant electronic switch ON time feed mechanism and begin to send to test specimen, when the test specimen front end face was blocked light path once more, the photoelectric tube output voltage descended, and simulant electronic switch disconnects, the test specimen feed mechanism stops to send to test specimen, finishes one and sends process to.Graphite flake is the disk type structure that the center of circle has aperture, and it is fixed in the light path that generating laser and photoelectric tube constitute the side near photoelectric tube.Proprietary support is used for fixing photoelectric tube.
The present invention has following major technique characteristics:
1, light signal receiving is made of photoelectric tube, adjustable resistance and simulant electronic switch.The light signal that photoelectric tube is responsible for receiving changes into the analog voltage amount signal, the adjustable resistance that is connected on the photoelectric tube output terminal by adjusting carries out dividing potential drop to the photoelectric tube output signal and changes the voltage that acts on the simulant electronic switch input end, easily filtering since extraneous natural light and arc light act on voltage that photoelectric tube produces make the present invention can be in the environment that exists very strong extraneous arc light to disturb operate as normal.
2, described graphite flake is the disk type member that circle centre position has aperture, make the light signal of photoelectric tube reception have area source to transform into electric light source by it being installed in the photoelectric tube front end, when further having improved the anti-ambient light interference performance of this device, the good thermal behavior of graphite makes whole device be unlikely to be subjected to the infringement of the high temperature gas flow that arc heated produces.
3, the proprietary support among the present invention is made of two several chief components such as milscale, guide rail and slide block of vertical placement mutually.Because the light signal receiving of this device receives only the pointolite signal, guarantee in the experimentation that the tram of photoelectric receiving arrangement in light path is crucial.The main effect of proprietary support is the fixed light fulgurite, can realize the location of photoelectric tube in light path easily and fast, exactly simultaneously.
4, whole photoelectric position controller of the present invention is sealed in the aluminum alloy casing, can shield external magnetic field effectively by the ground connection to shell and disturb, make whole device can be in having the extraneous environment that disturbs than high-intensity magnetic field operate as normal.
The present invention mainly constitutes the photoelectricity path by generating laser, photoelectric tube, adjustable resistance and simulant electronic switch.Generating laser sends the He-Ne laser beam that beam diameter is about 0.5mm, photoelectric tube receives light signal and converts it into analog voltage signal into 0-2.5V, the photoelectric tube output signal carries out acting on after the dividing potential drop on the control end of simulant electronic switch that driving voltage is 500mV through being connected on adjustable resistance in its output loop, and the control end of output terminal feed mechanism turn-on time of simulant electronic switch is realized the control to test specimen feed mechanism duty.In the experimentation, test specimen is placed in its front end face blocking-up light path on the light path between generating laser and the photoelectric tube, conducting light paths photoelectric tube output voltage rises when the test specimen axial dimension changes, drive simulant electronic switch ON time feed mechanism and begin to send to test specimen, when the test specimen front end face was blocked light path once more, the photoelectric tube output voltage descended, and simulant electronic switch disconnects, the test specimen feed mechanism stops to send to test specimen, finishes one and sends process to.
Photoelectric tube one side mounting center has the graphite flake that diameter is the 0.1mm aperture in the light path of generating laser and photoelectric tube formation, covering effect by graphite flake guarantees that the photoelectricity pipe can receive the external light source signal that passes the graphite flake central small hole, makes photoelectric tube only just can receive enough light signals when the test specimen front end face amount of retreating surpasses 0.1mm and makes its output signal can drive the simulant electronic switch conducting.Installation by graphite flake can improve whole device opposing external light source interference capability greatly, and the good thermal behavior of graphite makes whole device be unlikely to be subjected to the infringement of the high temperature gas flow that arc heated produces simultaneously.
In order to guarantee that whole device can operate as normal, must guarantee the center of circle of generating laser outgoing laser beam before the experiment, the test specimen front end face, the center of circle that is fixed on the graphite flake on the photoelectric tube is point-blank.This can carry out the accurate location that precision surpasses 0.1mm to the position of photoelectric tube in light path with regard to requiring, and the proprietary support that the present invention developed has well solved this problem.Proprietary support among the present invention is made of two several chief components such as milscale, guide rail and slide block of vertical placement mutually.Select the base of the thick aluminium sheet of 5mm for use as support, guide rail is located with the bolt that passes the base center by four guide rods that are fixed on the base, the jig of Ω shape can slide along guide rail, the milscale of horizontal positioned is fixed by jig, the vertical milscale of placing is fixed on the probe of horizontal milscale by Г type jig, the vertical tips of probes of milscale of placing is by the wooden slide block of screw retention, upper end of slide block fixed light fulgurite.
The present invention can be in the experimental situation that high temperature, strong magnetic and strong arc light disturb operate as normal.Our experiments show that, exist in the external world and cause by 10000VAC in the strong arc light environment that magnetic interference and plasma-arc cause, the present invention can operate as normal and its position differentiate sensitivity about 0.1mm.
(4) description of drawings
Fig. 1 is a structural principle synoptic diagram of the present invention;
Fig. 2 is the structural drawing of adjustable support;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the A-A cut-open view of Fig. 2.
(5) embodiment
For a more detailed description to the present invention for example below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the composition that can be applicable to the high performance photoelectric position controller under the rugged surroundings comprises generating laser 1, photoelectric tube 5, adjustable resistance 3, graphite flake 7, adjustable support 6 and simulant electronic switch 4, photoelectric tube is installed on the adjustable support, generating laser is positioned at photoelectric tube the place ahead, graphite flake is the disk type structure that the center of circle has aperture, it is fixed in the light path that generating laser and photoelectric tube constitute the side near photoelectric tube, photoelectric tube receives generating laser light source light signal and is translated into analog voltage signal and links to each other with adjustable resistance by lead, and adjustable resistance links to each other with simulant electronic switch by lead.
In conjunction with Fig. 2-Fig. 4, adjustable support comprises vertical mutually two milscales 11 placing of base 16 and 15, guide rail 9 and slide block 12, guide rail is by being fixed on four guide rods 8 and bolt 13 location of passing the base center on the base, the jig 14 that the Ω shape that can slide along guide rail is arranged on the guide rail, the milscale 15 of horizontal positioned is fixed on the guide rail by the jig of Ω shape, the vertical milscale of placing 11 is fixed on the probe of horizontal milscale by Г type jig 10, the vertical tips of probes of milscale of placing is by the wooden slide block 12 of screw retention, upper end of slide block fixed light fulgurite.
(1) jig 14 by the Ω shape is fixed on milscale 15 on the guide rail 9, milscale 11 is fixed on the probe of milscale 15 by Г type jig 10, wooden slide block 12 is bonded on the probe of milscale 11, and by wooden slide block fixed light fulgurite 5, graphite flake 7 is bonded in photoelectric tube 5;
(2) opening generating laser 1 makes it that He-Ne laser beam take place;
(3) bolt of regulating on proprietary support 6 bases 16 13 makes guide rail 9 along guide rod 8 vertical movements, and the position of regulating the jig 14 of Ω shape simultaneously can shine near the center of circle of graphite flake 7 laser beam;
(4) probe length of adjusting milscale 11 and milscale 15 guarantees that laser beam just in time shines the center of circle of graphite flake 7;
(5) close generating laser 1, start electro-arc heater;
(6) regulating adjustable resistance 3 makes the undertension that acts on simulant electronic switch 4 input ends so that its conducting;
(7) close electro-arc heater, open generating laser 1;
(8) position of adjusting test specimen 2 makes its front end face just in time block light path, opens electro-arc heater and begins experiment.
Claims (2)
1, a kind of high performance photoelectric position controller that can be applicable under the rugged surroundings, it comprises generating laser, photoelectric tube, adjustable resistance, graphite flake, adjustable support and simulant electronic switch, it is characterized in that: photoelectric tube is installed on the adjustable support, generating laser is positioned at photoelectric tube the place ahead, graphite flake is the disk type structure that the center of circle has aperture, it is fixed in the light path that generating laser and photoelectric tube constitute the side near photoelectric tube, photoelectric tube receives generating laser light source light signal and is translated into analog voltage signal and links to each other with adjustable resistance by lead, and adjustable resistance links to each other with simulant electronic switch by lead.
2, the high performance photoelectric position controller that can be applicable under the rugged surroundings according to claim 1, it is characterized in that: described adjustable support comprises base, vertical mutually two milscales placing, guide rail and slide block, guide rail is located with the bolt that passes the base center by four guide rods that are fixed on the base, the jig that the Ω shape that can slide along guide rail is arranged on the guide rail, the milscale of horizontal positioned is fixed on the guide rail by the jig of Ω shape, the vertical milscale of placing is fixed on the probe of horizontal milscale by Γ type jig, the vertical tips of probes of milscale of placing is by the wooden slide block of screw retention, upper end of slide block fixed light fulgurite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100097924A CN100348951C (en) | 2006-03-10 | 2006-03-10 | High performance photoelectric position controller capable of using in adverse circumstances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100097924A CN100348951C (en) | 2006-03-10 | 2006-03-10 | High performance photoelectric position controller capable of using in adverse circumstances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821916A CN1821916A (en) | 2006-08-23 |
| CN100348951C true CN100348951C (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100097924A Expired - Fee Related CN100348951C (en) | 2006-03-10 | 2006-03-10 | High performance photoelectric position controller capable of using in adverse circumstances |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799567A (en) * | 2010-04-06 | 2010-08-11 | 西安交通大学 | Strong-laser graphite diaphragm and method for manufacturing same |
| CN103471809B (en) * | 2013-09-12 | 2015-10-28 | 中国科学院工程热物理研究所 | A kind of ultrahigh frequency response plasma flow measurement device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200460U (en) * | 1987-01-15 | 1987-10-21 | 南京大学 | Light intensity distribution measuring instrument |
| CN2203009Y (en) * | 1994-12-08 | 1995-07-05 | 中国科学院物理研究所 | Graphite heater |
| CN1126813A (en) * | 1994-08-10 | 1996-07-17 | 日立造船株式会社 | Plasma molting method and furnace |
| JP2004317451A (en) * | 2003-04-21 | 2004-11-11 | Nidec Copal Corp | Angle detector |
| CN1628414A (en) * | 2002-03-22 | 2005-06-15 | 莱奥泼德·科世达责任有限股份公司 | Device for the optoelectronic detection of switching positions of a switching element |
-
2006
- 2006-03-10 CN CNB2006100097924A patent/CN100348951C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200460U (en) * | 1987-01-15 | 1987-10-21 | 南京大学 | Light intensity distribution measuring instrument |
| CN1126813A (en) * | 1994-08-10 | 1996-07-17 | 日立造船株式会社 | Plasma molting method and furnace |
| CN2203009Y (en) * | 1994-12-08 | 1995-07-05 | 中国科学院物理研究所 | Graphite heater |
| CN1628414A (en) * | 2002-03-22 | 2005-06-15 | 莱奥泼德·科世达责任有限股份公司 | Device for the optoelectronic detection of switching positions of a switching element |
| JP2004317451A (en) * | 2003-04-21 | 2004-11-11 | Nidec Copal Corp | Angle detector |
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| CN1821916A (en) | 2006-08-23 |
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Granted publication date: 20071114 Termination date: 20100310 |