CN101846636A - Spinneret plate detecting device - Google Patents
Spinneret plate detecting device Download PDFInfo
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- CN101846636A CN101846636A CN 201010159525 CN201010159525A CN101846636A CN 101846636 A CN101846636 A CN 101846636A CN 201010159525 CN201010159525 CN 201010159525 CN 201010159525 A CN201010159525 A CN 201010159525A CN 101846636 A CN101846636 A CN 101846636A
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Abstract
The invention relates to a spinneret plate detecting device, which comprises a linear motion base, a rotary base, a rotary table, a support cylinder and a light source, wherein the linear motion base can be arranged in a linear motion mode, and is connected with a second transmission device; the rotary table can be relatively rotationally arranged on the rotary base which is arranged on the linear motion base; the rotary table is connected with a first transmission device; the support cylinder is provided with the through hole; the end part of the through hole is provided with a slot hole capable of accommodating a spinneret plate; the support cylinder is arranged on the rotary table; the light source is used for emitting light and is positioned under the support cylinder; the rotary base is provided with a channel allowing the light emitted by the light source to pass through; and the channel is communicated with the through hole of the support cylinder. The spinneret plate detecting device has high detection precision and stable and accurate detection actions, and can detect the spinneret plate with small diameter; and one set of device can detect spinneret plates with different diameters.
Description
Technical field
The present invention relates to the spinning jet detection range, particularly relate to a kind of spinneret plate detecting device.
Background technology
The effect of spinning jet is with the high polymer molten of viscous state or solution, is transformed into the thread that the particular cross section shape is arranged by micropore, and process setting medium such as air or coagulating bath are solidified to form strand.
The spinning jet shape of using on the wet spinning is generally hat, disc or plate shape.Spinning jet is provided with the through hole that is used to connect filtrator or stationary shaft, generally is provided with central through hole, around through hole, spinneret orifice is set.Spinning jet is worked under higher temperature and pressure.Require withstand voltage, corrosion-resistant and enough physical strengths, generally be pressed into by metals such as plation or titanium, niobium, tantalum, stainless steels.According to the kind difference of spinning, the number cells of spinning jet has very big-difference.
Orifice diameter is smaller, and the orifice diameter that has only is 0.05mm-0.1mm, reaches micron order, so its processing difficulty height, and precision is difficult for holding.After the spinning jet production, spinneret orifice is detected to determine whether spinneret orifice conforms to quality requirements, very important.Work under higher temperature and pressure at spinning jet, and high polymer molten constantly passes spinneret orifice, after long-time the use, erosion, problems such as obstruction can take place to lack in spinneret orifice.Use the silk of the spinneret orifice ejection that scarce erosion, latch up phenomenon occur, often can not reach the quality requirements of use.Therefore, no matter still be in the use, spinneret orifice to be detected before use, produce extremely important for spinning.
At present, domestic detection to spinning jet, efficient is lower, accuracy of detection is not high, and when the spinning jet diameter hour, just be not difficult for being fixed if spinning jet is not provided with fixed orifice.
Summary of the invention
Technical matters to be solved by this invention provides a kind of spinneret plate detecting device, can carry out high-level efficiency, high-precision test to spinning jet.
The technical solution adopted for the present invention to solve the technical problems is: a kind of spinneret plate detecting device is provided, comprise base, rectilinear motion pedestal, rotating base, rotating disk, support tube, light source, optical detection device, gearing and computing machine, described base is provided with sway brace; Described rectilinear motion pedestal is installed on the described base movably; Described rotating base is installed on the described rectilinear motion pedestal; Described rotating disk is installed on the described rotating base; Described support tube is installed on the described rotating disk; Described support tube has through hole, is provided with the grooved hole that holds tested spinning jet in described through hole end; Described light source employing suspension beam structure is installed in the middle part of described sway brace, and is positioned at described support tube below by on the described rotating base and the gap between the rectilinear motion pedestal; Described rotating base is provided with the passage that communicates with described support tube through hole; Described optical detection device is installed on the opticpath that described light source sends, and is relative with described light source position, is used for the light that detection light source is sent; Described gearing links to each other with rotating base with described rectilinear motion pedestal respectively; Image data acquiring card and display that described computing machine comprises main frame and links to each other with main frame; Described image data acquiring card links to each other with described optical detection device.
The gearing of described spinneret plate detecting device comprises first gearing and second gearing; Described first gearing links to each other with described rotating base; Described second gearing and described rectilinear motion pedestal; Described rectilinear motion pedestal comprises the first rectilinear motion pedestal and the second rectilinear motion pedestal; Described rotating base is installed on the described second rectilinear motion pedestal; The described second rectilinear motion pedestal is installed on the described first rectilinear motion pedestal; The described first rectilinear motion pedestal is installed on the described base.
Described first gearing comprises interconnective worm screw and turbine; Described worm screw is installed on the described rotating base; Described turbine is arranged on the described rotating disk; Described second gearing is two second leading screws; Described two second leading screws link to each other with the second rectilinear motion base thread with the described first rectilinear motion pedestal respectively, and described two second leading screws vertically are provided with.
Be provided with first guide rail and first gathering sill that matches each other between the described base and the first rectilinear motion pedestal, described first guide rail is arranged in described first gathering sill; Be provided with second guide rail and second gathering sill that matches each other between described first rectilinear motion pedestal and the described second rectilinear motion pedestal, described second guide rail is arranged in described second gathering sill.
The rotating disk of described spinneret plate detecting device is circular, and is provided with scale mark at its outer wall; Described rotating base is provided with tag line.
The sway brace top of described spinneret plate detecting device is provided with the above threaded hole of two rows, is used to install mount pad; Described optical detection device is installed on the described mount pad; Described mount pad links to each other with the 3rd leading screw; Described optical detection device comprises and interconnects camera lens and ccd image sensor; Imaging on described ccd image sensor after the light amplification that described camera lens sends described light source; Described ccd image sensor links to each other with described image data acquiring card.
The light source of described spinneret plate detecting device adopts the bulb of arranged, and described bulb is provided with cloche; Be provided with cushion block between the described rotating base and the second rectilinear motion pedestal, make with this to have the gap between the two; Described support tube is provided with the anchor clamps that are used for fixing tested spinning jet; Described grooved is equipped with the packing ring that is used to support tested spinning jet in the hole.
Described spinneret plate detecting device also comprises drive unit; Described drive unit links to each other with described gearing; Described computing machine also comprises the driving device controls card that links to each other with described main frame; Described driving device controls card links to each other with described drive unit.
Described drive unit comprise driver and with its first servomotor that links to each other respectively, two second servomotors, the 3rd servomotor; The output shaft of described first servomotor links to each other with the worm screw of described first gearing; The output shaft of described two second servomotors links to each other with two second leading screws of described second gearing respectively; The output shaft of described the 3rd servomotor links to each other with described the 3rd screw mandrel.
The described first rectilinear motion pedestal is provided with first detection lug, and described base is provided with first near switch; Described first near switch on the moving line of described first detection lug with the described first rectilinear motion pedestal; The described second rectilinear motion pedestal is provided with second detection lug, and the described first rectilinear motion pedestal is provided with second near switch; Described second near switch on the moving line of described second detection lug with the described second rectilinear motion pedestal; Described first links to each other with described driving device controls card respectively near switch with described second near switch.Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect:.The present invention has prevented effectively that by detection lug with near the effect of switch moving base from exceeding the moving range of permission, avoids stuck or the situation of toppling over occurs.Between the base and the first rectilinear motion pedestal and the gathering sill and the guide rail that between the first rectilinear motion pedestal and the second rectilinear motion pedestal, are equipped with mutual coupling, make that the operation of tested spinning jet is more stable.By the scale mark on tag line on the rotating base and rotating disk outer wall, when dial rotation, can observe the angular dimension of its rotation easily, whether meet the requirements with the actual rotation angle that detects spinning jet.This shows that the present invention is easy to use, the detection efficiency height, it is inflexible not only can manually to detect spray, can also detect spinning jet automatically by computing machine, the accuracy of detection height, and it is accurately stable to detect action.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the side view of the embodiment of the invention 1;
Fig. 3 is the front elevation of the embodiment of the invention 1;
Fig. 4 is the axial cut-open view of support tube of the present invention;
Fig. 5 is the axial cut-open view of packing ring of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1: as Fig. 1, Fig. 2 and shown in Figure 3, a kind of spinneret plate detecting device that the present invention relates to, comprise base 1, rectilinear motion pedestal, rotating base 4, rotating disk 44, support tube 5, light source 7, optical detection device, gearing and computing machine, described base 1 is provided with sway brace 6; Described rectilinear motion pedestal is installed on the described base 1 movably; Described rotating base 4 is installed on the described rectilinear motion pedestal; Described rotating disk 44 is installed on the described rotating base 4; Described support tube 5 is installed on the described rotating disk 44; Described support tube 5 has through hole 54, is provided with the grooved hole 55 that holds tested spinning jet 9 in described through hole 54 ends; Described light source 7 employing suspension beam structures are installed in the middle part of described sway brace 6, and are positioned at described support tube 5 belows by on the described the rotating base 4 and gap between the rectilinear motion pedestal; Described rotating base 4 is provided with the passage that communicates with described support tube through hole 54, and the light that is used to allow light source 7 send passes through; Described optical detection device is installed on the opticpath that described light source 7 sends, and is relative with described light source 7 positions, is used for the light that detection light source 7 is sent; Described gearing links to each other with rotating base 4 with described rectilinear motion pedestal respectively; Described computing machine comprises main frame 15 and image data acquiring card 16 that links to each other with main frame 15 and display 13; Described image data acquiring card 16 links to each other with described optical detection device.
The first rectilinear motion pedestal 2 and second leading screw, 25 threaded engagement, second leading screw 25 is connected with the output shaft of second servomotor 24.Second servomotor 24 drives second leading screw 25 and rotates, and the first rectilinear motion pedestal 2 is moved axially along second leading screw 25.Second leading screw 25 turns to not simultaneously, can drive the first rectilinear motion pedestal 2 and move back and forth.First detection lug 23 is with in the first rectilinear motion pedestal, 2 motion processes, first when detecting first detection lug 23 near switch 51, to driving device controls card 14 transmission signals, by driving device controls card 14 according to the signal that receives by driver 17 control second servomotor, 24 backward rotation or stop operating.Can prevent that the first rectilinear motion pedestal 2 from exceeding the moving range of permission, avoid stuck or topple over.
The first rectilinear motion pedestal 2 is provided with first guide rail 21 and first guide rail 22 that matches with first gathering sill 11 and first gathering sill 12 respectively. First guide rail 21 and 22 is arranged in first gathering sill 11 and 12.Lead with cooperating of first guide rail 21 and 22 by first gathering sill 11 and 12, can prevent the first rectilinear motion pedestal 2 deviation position when moving with respect to base 1, can make the location of spinning jet 9 more accurately, it is more stable to move.
The first rectilinear motion pedestal 2 is provided with on two second mobile alignments that are distributed in second detection lug 36 near 52, two second on switch near switch 52.
The second rectilinear motion pedestal 3 is installed on the first rectilinear motion pedestal 2.Be provided with second guide rail and the second gathering sill (not shown) that cooperatively interact between the second rectilinear motion pedestal 3 and the first rectilinear motion pedestal 2.The second rectilinear motion pedestal 3 and the first rectilinear motion pedestal 2 can relatively move.Cooperation by second gathering sill and second guide rail is led, and can prevent the second rectilinear motion pedestal 3 deviation position when moving with respect to the first rectilinear motion pedestal 2, can make the location of spinning jet 9 more accurately, moves more stable.
The second rectilinear motion pedestal 3 is provided with second detection lug 36.
The second rectilinear motion pedestal 3 and second leading screw, 34 threaded engagement, second leading screw 34 is connected with the output shaft of second servomotor 31.Second servomotor 31 drives second leading screw 34 and rotates, and the second rectilinear motion pedestal 3 is moved axially along second leading screw 34.Second detection lug 36 is with in the second rectilinear motion pedestal, 3 motion processes, second when detecting second detection lug 36 near switch 52, to driving device controls card 14 transmission signals, by driving device controls card 14 according to the signal that receives by driver 17 control second servomotor, 31 backward rotation or stop operating, can prevent that second moving base 3 from exceeding the moving range of permission, avoid stuck or topple over.
Second leading screw 25 and the 34 vertical settings of second leading screw.Therefore, second servomotor 31 can drive the second rectilinear motion pedestal 3 and moves towards first direction with respect to first moving base 2; Second servomotor 24 can drive the first rectilinear motion pedestal 2 and move towards the second direction vertical with first direction with the second rectilinear motion pedestal 3.
Rotating disk 44 is installed on the rotating base 4.Rotating disk 44 is circular, is installed in rotatably on the rotating base 4.First servomotor 41 is installed on the rotating base 4, and the output shaft of first servomotor 41 is connected with worm screw 42, and rotating disk 44 is provided with the turbine (not shown) that matches with worm screw 42.First servomotor 41 drives worm screw 42 and rotates, and rotating disk 44 is rotated with respect to rotating base 4.Rotating disk 44 sidewalls along the circumferential direction are provided with scale mark 43, and all scale marks 43 along the circumferential direction mark 360 ° of angles, and rotating base 4 is provided with tag line 33.When rotating disk 44 rotates, according to tag line 33 and scale mark 43, can observe the angle of its actual rotation easily, whether meet the requirements with the actual rotation angle that detects spinning jet 9.
Rotating disk 44 is provided with support tube 5, and as shown in Figure 4, through hole 54 upper ends of support tube 5 are provided with grooved hole 55.Grooved hole 55 is used to support spinning jet 9.Detect the spinning jet 9 of different-diameter as need, packing ring 56 as shown in Figure 5 then can be set in grooved hole 55, the end of the through hole 561 of packing ring 56 is provided with grooved hole 562, uses the packing ring 56 in the grooved hole 562 with different-diameter, can detect the spinning jet 9 of different-diameter.
As Fig. 1, Fig. 2 and shown in Figure 3, be provided with four cushion blocks 53 between the rotating base 4 and the second rectilinear motion pedestal 3.Cushion block 53 is set, makes between the rotating base 4 and the first rectilinear motion pedestal 3 to have the gap.Rotating base 4 is provided with the through hole 54 corresponding passage (not shown)s with support tube 5.Light source 7 can stretch to support tube 5 belows from this gap, and the through hole 54 that the light that light source 7 is sent passes support tube 5 is radiated on the spinneret orifice.
The first rectilinear motion pedestal 2, the second rectilinear motion pedestal 3, rotating base 4 and support tube 5 are as bracing or strutting arrangement.
As shown in Figure 5, display 13 is connected with the main frame 15 of computing machine, and the PCI socket of main frame 15 is provided with image pick-up card 12 and driving device controls card 14.Image data acquiring card 16 is connected with ccd image sensor 84, is used to collect ccd image sensor 84 image transmitted signals and is delivered to main frame 15 analyze and compare, and analyzes and result relatively is sent to display 13 and shows.Driving device controls card 14 is connected with driver 17, driver 17 is connected with the 3rd servomotor 82 with first servomotor 41, second servomotor 24, second servomotor 31, by input equipment (as keyboard) input instruction, by driving device controls card 14, driver 17, control first servomotor 41, second servomotor 24, second servomotor 31 and the 3rd servomotor 82 by main frame 15 according to instruction works.
When present embodiment uses, light source 7 is luminous, by the input equipment input instruction, control first servomotor 41 and drive rotating base 4 rotations, second servomotor, 24 drivings, the first rectilinear motion pedestal 2 moves, second servomotor 31 drives the second rectilinear motion pedestal 3 and moves, and detected spinneret orifice position is adjusted between light source 7 and the camera lens 8.The 3rd servomotor 82 drive camera lenses 8 near or away from spinneret orifice, focus, make light imaging on ccd image sensor 84 after camera lens 8 amplifies of passing a detected spinneret orifice.Image data acquiring card 16 is gathered the view data of ccd image sensors 84 and is transferred to main frame 15 and analyzes and compare, and whether the imaging of passing normal spinneret orifice according to the imaging and the light of the light that passes spinneret orifice contrasts, normal to judge spinneret orifice.Detect less than light as camera lens 8, illustrate that then this spinneret orifice blocks fully; Can detect light as camera lens 8, but it is different with light imaging area under the spinneret orifice normal condition to pass the imaging of light of spinneret orifice, illustrate spinneret orifice partly block, damaged or other damage arranged; If camera lens 8 detects to such an extent that image formation by rays is identical with light imaging area under the spinneret orifice normal condition, illustrate that then this spinneret orifice is normal.Main frame 15 is delivered to display 13 with testing result and shows.After having detected a spinneret orifice, input instruction is controlled second servomotor 24, second servomotor 31 and first servomotor 41 and is moved spinning jet 9, makes the light that passes next spinneret orifice through imaging on ccd image sensor 84 behind the camera lens 8, the rest may be inferred, finishes until whole detections.
Embodiment 2: present embodiment and embodiment 1 are roughly the same, its difference is, omit the automatic control system among the embodiment 1, promptly driving device controls card 14, driver 17, first near switch 51, second near switch 52, first detection lug 23, second detection lug 36; Also omitted the topworks of automatic control, i.e. first servomotor 41, second servomotor (24,31) and the 3rd servomotor 82.Compare with embodiment 1, embodiment 2 adopts manual operation mode.Move the first rectilinear motion pedestal 2 and the second rectilinear motion pedestal 3 by testing staff's manual operation, rotating base 4 is rotated with mobile spinning jet 9, detect each spray silk respectively.
Be not difficult to find that the present invention has prevented effectively that by detection lug with near the effect of switch moving base from exceeding the moving range of permission, avoid stuck or the situation of toppling over occurs.Between the base and the first rectilinear motion pedestal and the gathering sill and the guide rail that between the first rectilinear motion pedestal and the second rectilinear motion pedestal, are equipped with mutual coupling, make that the operation of tested spinning jet is more stable.By the scale mark on tag line on the rotating base and rotating disk outer wall, when dial rotation, can observe the angular dimension of its rotation easily, whether meet the requirements with the actual rotation angle that detects spinning jet.
Claims (10)
1. spinneret plate detecting device, comprise base (1), rectilinear motion pedestal, rotating base (4), rotating disk (44), support tube (5), light source (7), optical detection device, gearing and computing machine, it is characterized in that described base (1) is provided with sway brace (6); Described rectilinear motion pedestal is installed on the described base (1) movably; Described rotating base (4) is installed on the described rectilinear motion pedestal; Described rotating disk (44) is installed on the described rotating base (4); Described support tube (5) is installed on the described rotating disk (44); Described support tube (5) has through hole (54), is provided with the grooved hole (55) that holds tested spinning jet (9) in described through hole (54) end; Described light source (7) employing suspension beam structure is installed in the middle part of described sway brace (6), and is installed on described support tube (5) below by on the described rotating base (4) and the gap between the rectilinear motion pedestal; Described rotating base (4) is provided with the passage that communicates with described support tube through hole (54); Described optical detection device is installed on the opticpath that described light source (7) sends, and is relative with described light source (7) position, is used for the light that detection light source (7) is sent; Described gearing links to each other with rotating base (4) with described rectilinear motion pedestal respectively; Described computing machine comprises main frame (15) and image data acquiring card (16) that links to each other with main frame (15) and display (13); Described image data acquiring card (16) links to each other with described optical detection device.
2. spinneret plate detecting device according to claim 1 is characterized in that, described gearing comprises first gearing and second gearing; Described first gearing links to each other with described rotating base (4); Described second gearing and described rectilinear motion pedestal; Described rectilinear motion pedestal comprises the first rectilinear motion pedestal (2) and the second rectilinear motion pedestal (3); Described rotating base (4) is installed on the described second rectilinear motion pedestal (3); The described second rectilinear motion pedestal (3) is installed on the described first rectilinear motion pedestal (2); The described first rectilinear motion pedestal (2) is installed on the described base (1).
3. spinneret plate detecting device according to claim 2 is characterized in that, described first gearing comprises interconnective worm screw (42) and turbine; Described worm screw (42) is installed on the described rotating base (4); Described turbine is arranged on the described rotating disk (44); Described second gearing is two second leading screws (25,34); Described two second leading screws (25,34) link to each other with second rectilinear motion pedestal (3) screw thread with the described first rectilinear motion pedestal (2) respectively, and the vertical setting of described two second leading screws (25,34).
4. spinneret plate detecting device according to claim 2, it is characterized in that, be provided with first guide rail (21 that matches each other between the described base (1) and the first rectilinear motion pedestal (2), 22) and first gathering sill (11,12), described first guide rail (21,22) is arranged in described first gathering sill (11,12); Be provided with second guide rail and second gathering sill that matches each other between described first rectilinear motion pedestal (2) and the described second rectilinear motion pedestal (3), described second guide rail is arranged in described second gathering sill.
5. spinneret plate detecting device according to claim 1 is characterized in that, described rotating disk (44) is circular, and is provided with scale mark (43) at its outer wall; Described rotating base (4) is provided with tag line (33).
6. spinneret plate detecting device according to claim 1 is characterized in that, described sway brace (6) top is provided with the above threaded hole of two rows, is used to install mount pad (81); Described optical detection device is installed on the described mount pad (81); Described mount pad (81) links to each other with the 3rd leading screw (83); Described optical detection device comprises and interconnects camera lens (8) and ccd image sensor (84); Go up imaging at described ccd image sensor (84) after the light amplification that described camera lens (8) sends described light source (7); Described ccd image sensor (84) links to each other with described image data acquiring card (16).
7. spinneret plate detecting device according to claim 1 is characterized in that, described light source (7) adopts the bulb of arranged, and described bulb is provided with cloche; Be provided with cushion block between the described rotating base (4) and the second rectilinear motion pedestal (3), make with this to have the gap between the two; Described support tube (5) is provided with the anchor clamps that are used for fixing tested spinning jet (9); The packing ring (56) that is used to support tested spinning jet (9) is installed in the described grooved hole (54).
8. according to the described spinneret plate detecting device of arbitrary claim among the claim 1-7, it is characterized in that described spinneret plate detecting device also comprises drive unit; Described drive unit links to each other with described gearing; Described computing machine also comprises the driving device controls card (14) that links to each other with described main frame (15); Described driving device controls card (14) links to each other with described drive unit.
9. spinneret plate detecting device according to claim 8 is characterized in that, described drive unit comprise driver (17) and with its first servomotor (41) that links to each other respectively, two second servomotors (24,31), the 3rd servomotor (82); The output shaft of described first servomotor (41) links to each other with the worm screw (42) of described first gearing; The output shaft of described two second servomotors (24,31) is continuous with two second leading screws (25,34) of described second gearing respectively; The output shaft of described the 3rd servomotor (82) links to each other with described the 3rd screw mandrel (83).
10. spinneret plate detecting device according to claim 8 is characterized in that, the described first rectilinear motion pedestal (2) is provided with first detection lug (23), and described base (1) is provided with first near switch (51); Described first near switch (51) on the moving line of described first detection lug (23) with the described first rectilinear motion pedestal (2); The described second rectilinear motion pedestal (3) is provided with second detection lug (36), and the described first rectilinear motion pedestal (2) is provided with second near switch (52); Described second near switch (52) on the moving line of described second detection lug (36) with the described second rectilinear motion pedestal (3); Described first links to each other with described driving device controls card (14) respectively near switch (52) with described second near switch (51).
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| CN2010101595251A CN101846636B (en) | 2010-04-27 | 2010-04-27 | Spinneret plate detecting device |
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| CN2010101595251A CN101846636B (en) | 2010-04-27 | 2010-04-27 | Spinneret plate detecting device |
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| CN102141374A (en) * | 2010-12-23 | 2011-08-03 | 苏州天准精密技术有限公司 | Image type spinneret plate automatic detector |
| CN102809349A (en) * | 2012-08-20 | 2012-12-05 | 中国科学院声学研究所东海研究站 | Spinneret plate microscopy instrument |
| CN102829951A (en) * | 2012-06-06 | 2012-12-19 | 常州市华纺纺织仪器有限公司 | Spinneret plate microscopic examination instrument |
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| CN107036565A (en) * | 2016-12-13 | 2017-08-11 | 无锡南方声学工程有限公司 | A kind of positioning seat walking mechanism of spinneret plate microscopic examination instrument |
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| 《东华大学学报(自然科学版)》 20070215 尹平平等 《喷丝板自动检测中基于机器视觉的自动纠偏》 第33卷, 第01期 2 * |
| 《国外电子测量技术》 20070120 汤焕等 《采用双CCD的喷丝板自动纠偏系统》 , 第01期 2 * |
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