CN102499623B - Self-correction area array source visual field measuring instrument - Google Patents
Self-correction area array source visual field measuring instrument Download PDFInfo
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- CN102499623B CN102499623B CN 201110300314 CN201110300314A CN102499623B CN 102499623 B CN102499623 B CN 102499623B CN 201110300314 CN201110300314 CN 201110300314 CN 201110300314 A CN201110300314 A CN 201110300314A CN 102499623 B CN102499623 B CN 102499623B
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- connecting rod
- bar
- straight
- variable length
- guide rail
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Abstract
The invention discloses a self-correction area array source visual field measuring instrument, and belongs to an instrument for diagnosing diseases which is generally used in ophthalmology. In the area array source display equipment provided by the invention, a flat panel electronic display screen is adopted; for the selected flat panel electronic display screen of a different aspect ratio, the length of a variable-length connecting rod can be elongated or shortened by adjusting a positioning bolt on the variable-length connecting rod; the variable-length connecting rod is connected with a variable-length straight rod; the variable-length straight rod is connected with the variable-length connecting rod; the tail end of the variable-length connecting rod is connected with image acquisition equipment; and a pedestal is connected with a lifting electric table through a slide rail and is used for placing the flat panel electronic display screen. The upper surface of the lifting electric table is provided with a horizontal guide rail which is parallel to the flat panel display screen; a sliding plate which can slide along the horizontal guide rail is arranged on the horizontal guide rail; and a vertical guide rail along which the sliding plate can vertically slide is arranged perpendicular to the horizontal guide rail. The sliding plate is connected with a lower holder through the connecting rod and a threaded sleeve. The visual field measuring instrument is suitable to be used by different levels of hospitals, is low in cost, and flexible and convenient in operation, and has a self-maintenance function.
Description
Technical field
The present invention relates to the visual field instrument in a kind of person under inspection of measurement visual field, belong to the ophthalmology instrument that diagnoses the illness commonly used.
Background technology
The sighting target of tradition dome-type visual field instrument shows by light emitting diode or the modes such as optical fibers or spot projection that are embedded on the dome-type screen, this sighting target display mode has significant limitation, because the size, position, color and the shape that show of sighting target relative fixed all not only, limited the enforcement of a lot of application programs, and the optical system more complicated of demonstration sighting target, easy care not, such as optical fiber type from the sighting target position of dynamic visual field instrument and size fixed by position and the size of optic fibre hole; Not only its color can not flexible conversion as showing sighting target for light emitting diode, and brightness degree is difficult for segmentation, influence visual field detection effect.Because position, indication range, size or the color of the solid viewpoint in instrument adjustment center, traditional dome-type visual field or detection sighting target are very inconvenient, so more inspection method of easy exploiting not, motility and efficient that the visual field is detected have been reduced, the range of application of also having dwindled detected object simultaneously.In addition, use visual field instrument for a long time, the sighting target light source is easily aging, if no light intensity detects and corrective action, will cause accuracy of detection to reduce, even erroneous judgement.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, and a kind of face battle array source display device that utilizes that provides is as the sighting target display screen, realize that not only flexible conversion is according to the sighting target of plurality of specifications size design, and display position and the scope of the solid viewpoint in center or detection sighting target, shape, sighting target and screen background color also can be adjusted arbitrarily, design can be fixed and can adjust supporter and the subiculum adjusting device that is fit to multi-specification face battle array source display device flexibly, and increase sighting target intensity collection equipment, guarantee the accuracy of sighting target sensed luminance, and it is simple in structure, easily from safeguarding, be convenient to the visual field, the face battle array source instrument that hospitals at different levels use.
The present invention realizes like this, it comprises dull and stereotyped electronic display 1, the bracing frame 2 of dull and stereotyped electronic display 1 and be installed with a support member 28 in the lower end of this dull and stereotyped electronic display 1, and dull and stereotyped electronic display 1 is placed in the support slot of this support member 28, and the two ends of support member 28 are connected by bolt 14 with the bracing frame of both sides 2.Can have along bracing frame 2 both sides for bolt 14 to drive the chute that support member 28 slides, change the height of dull and stereotyped electronic display 1.A variable length connecting rod 4 is installed on the top of bracing frame 2, described variable length connecting rod 4 is made up of the sleeve at fixed length straight-bar 5 and fixed length straight-bar 5 two ends and the straight-bar that can move in sleeve, sleeve is connected with bolt 6 with straight-bar, regulate the bolt 6 on the straight-bar, elongate or shorten the length of straight-bar outside sleeve, and fix the position of straight-bar and the length of definite whole variable length connecting rod 4 with bolt 6.When the length of dull and stereotyped electronic display 1 changes, can change the length of variable length connecting rod 4 by the bolt 6 on the adjusting variable length connecting rod 4, to adapt to the dull and stereotyped electronic display 1 of different specification size.One fixed axis 7 is installed directly over the fixed length straight-bar 5 of variable length connecting rod 4, this fixed axis 7 is hinged with variable length straight-bar 8, variable length straight-bar 8 is articulated and connected with variable length connecting rod 9 again, variable length straight-bar 8 and variable length connecting rod 9 relation of meeting at right angles, variable length connecting rod 9 is made up of fixed length straight-bar and cannulated sleeve 10, cannulated sleeve 10 slides at the fixed length straight-bar and changes the length of variable length connecting rod 9, and the fixed length straight-bar is fixedlyed connected by bolt 11 with cannulated sleeve 10.The lower end of variable length connecting rod 9 connects image capture device 13.The lower end of the bracing frame 2 of support plate electronic display 1 is installed on the base 16, can be by the handwheel 15 in rotating base 16 left sides, handwheel 15 is connected with keyway 32 on the worm gear 33 end face fixed axis by key, worm gear 33 again with worm screw 31 screw-threaded engagement, rotation handwheel 15 drives the stretching motion of rotatablely moving of worm gears 33 and worm screw 31, the end of worm screw 31 is connected and fixed disk 34, fixed disc 34 is connected by set bolt with the right side of base 16 again, realize changing the length of base 16, the dull and stereotyped electronic display 1 that can adapt to the different length specification, the lower end of base 16 is connected by the electronic table 19 of slide rail 17 and liftable, guarantees that the electronic table 19 of base 16 and liftable is on same axis.Upper surface at the electronic table 19 of liftable is equipped with the horizontal guide rail 24 that parallels with panel display screen 1, and having on the horizontal guide rail 24 can be along the slide plate 25 of its slip, and there is the sports limiting piece at horizontal guide rail 24 two ends, by the horizontal level of bolt 30 fixed sliding plate 25.Being provided with slide plate 25 perpendicular to horizontal guide rail 24 can be along its vertical vertical guide rail 27 that slides, by the upright position of set bolt 29 fixed sliding plate 25.Vertical guide rail 27 below the described slide plate 25 passes through mutually with horizontal guide rail 24 and is connected, and guarantees that slide plate 25 can move along level and vertical direction.Slide plate 25 is connected subiculum 26 by connecting rod 21 with screw shell 20, connecting rod 21 and bush whorl 20 engagements, by rotation screw shell 20, high and low position that can trickle change subiculum 26, the electronic table 19 of liftable is provided with regulates rising button 23 and falling button 22 of lifting electronic table lifting.
Described image capture device 13 can be selected the high definition digital camera for use
Described dull and stereotyped electronic display 1 can be selected high brightness LCD TV or plasm TV or outdoor advertising display screen for use.
This device in use can be by the handwheel 15 in rotating base 16 left sides, handwheel 15 is connected with keyway 32 on the worm gear 33 end face fixed axis by key, worm gear 33 again with worm screw 31 screw-threaded engagement, rotation handwheel 15 drives the stretching motion of rotatablely moving of worm gears 33 and worm screw 31, the end of worm screw 31 is connected and fixed disk 34, fixed disc 34 is connected by set bolt with the right side of base 16 again, realize changing the length of base 16, the dull and stereotyped electronic display 1 that can adapt to the different length specification, when regulating base 16 length, also to connect the length of the variable length connecting rod 4 on bracing frame 2 tops by bolt 6 corresponding changes.After treating that base 16 length are determined, by two set bolts 18 that install base 16 upper ends, fix the length of base 16.By rising button 23 and fall button 22, can also adjust the high and low position of subiculum 26 in the time of conveniently adjusted electronic table 19 height by a relatively large margin.So just constituted the positive battle array of this self-correcting visual field, source instrument.This visual field instrument can be by connection base 16 and the guide rail 17 adjusting range battle array source display devices 1 of the electronic table 19 of liftable and the distance between the subiculum 26, and convenient the adjustment reaches the optimum detection effect.The bottom of the dull and stereotyped electronic display 1 in this visual field instrument has fixture 28 and set bolt 14 to be connected with bracing frame 2, can make the chute lifting of dull and stereotyped electronic display 1 on the bracing frame 2, after the height of dull and stereotyped electronic display 1 is determined, can bracing frame 2 be fixedlyed connected with the support member 28 of dull and stereotyped electronic display 1 bottom with set bolt 14.
The present invention has following beneficial effect:
Because support 2 and subiculum 26 adjusting devices of this visual field instrument design support plate electronic display 1, therefore can be in the position of the solid viewpoint in flexible change center or detection sighting target, indication range, in the time of size or color, regulate the distance between dull and stereotyped electronic display 1 and the subiculum 26, the height of dull and stereotyped electronic display 1, can be in the situation of dull and stereotyped electronic display 1 fixed-site, when changing along with sighting target position and sighting target size and detection range admittedly, adjust subiculum 26 vertical and (or) level and (or) position of fore-and-aft direction, conveniently be transferred to anomaly plate electronic display 1 optimum detection position, detect more flexible, therefore can be towards more detected object.In addition, can gather because various factors causes light source device by image capture device 13 and wear out, so that brightness departs from the sighting target point of calibration value, can provide condition to the correction of sighting target point, correcting algorithm is proofreaied and correct the stimulation sighting target that has luminance errors according to deviate, can effectively solve area array light source device aging problem, prolongs the service life of visual field instrument, guarantee the accuracy of sighting target brightness, realize from safeguarding.This visual field instrument can be adapted to hospitals at different levels and use, and low, the flexible and convenient operation of cost possesses from maintenance function.
Description of drawings
Fig. 1 is structure principle chart of the present invention
Fig. 2 is the structure principle chart that sighting target light intensity of the present invention is proofreaied and correct
Fig. 3 is the structure chart of variable length connecting rod 4 among the present invention
Fig. 4 is worm-and-wheel gear sketch map among the present invention
Among the figure: 1, dull and stereotyped electronic display, 2, bracing frame, 3, set bolt, 4, the variable length connecting rod, 5 fixed length straight-bars, 6, bolt, 7, fixed axis, 8, the variable length straight-bar, 9, the variable length connecting rod, 10 cannulated sleeves, 11, bolt, 12, socket pipe, 13, image capture device, 14, set bolt, 15, handwheel, 16, base, 17, slide rail, 18, bolt, 19, the electronic table of liftable, 20, screw shell, 21, connecting rod, 22, the decline button, 23, the rising button, 24, horizontal guide rail, 25, slide plate, 26, subiculum, 27, vertical guide rail, 28, supporter, 29, bolt, 30, set bolt, 31, worm screw, 32, keyway, 33, worm gear, 34, fixed disc.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail: as shown in Figure 1, of the present invention battle array source display device adopts dull and stereotyped electronic display 1, at the dull and stereotyped electronic display 1 of selecting different length-width ratios for use, can regulate the bolt 6 on the variable length connecting rod 4 respectively, elongate or shorten the length of variable length connecting rod 4; Regulate the bolt 14 on the support member 28, the distance between the fixing support rack 2; Distance between the rotation hand wheel 15 adjustable support framves 2.The support member 28 of installing bottom in dull and stereotyped electronic display 1 mainly is to be convenient to being connected of dull and stereotyped electronic display 1 and bracing frame 2.Support member 28 can be fixing by bolt 14 with being connected of bracing frame 2.Bracing frame 2 and base 16 are connected by set bolt, can drive the stretching motion of rotatablely moving of 16 li worm gears 33 of base and worm screw 31 by the handwheel 15 in rotating base 16 left sides, the end of worm screw 31 is connected and fixed disk 34, fixed disc 34 is connected by set bolt with the right side of base 16 again, regulate the distance between the bracing frame 2, use the length of set bolt 18 firm bankings 16 at last.Bracing frame 2 tops with become connecting rod 4 and be connected by set bolt 6, become connecting rod 6 and regulate the length that becomes connecting rod 6 by the set bolt 6 on it.Central authorities at variable length connecting rod 6 are equipped with fixed axis 7, be connected with variable length straight-bar 8 by fixed axis 7, variable length straight-bar 8 ends are connecting with the variable length connecting rod 9 that is connected image capture device 13 by a jointed shaft, by the collection position that the hinged adjustable-length straight-bar 8 of rotation and fixed axis 5 and variable length connecting rod 9 can be regulated described image capture device 13, the socket pipe 12 that rotation variable length connecting rod 9 is connected with image capture device 13 can change the collection direction of image capture device 13.Variable length connecting rod 9 is connected by set bolt 11 with sleeve 10 on it, by regulating the length that set bolt 11 is regulated variable length connecting rod 9.The end of variable length connecting rod 9 connects image collecting device 13, during with the height change of the dull and stereotyped electronic display 1 of box lunch, regulates the height of image capture device 13 by regulating variable length connecting rod 9.Can regulate distance between base 16 and the subiculum 26 by guide rail 17.By rising button 23 the electronic table of liftable 19 positions are raise, make display device 1 center, subiculum 26 dough-making powder battle array source on same straight line.For dull and stereotyped electronic display 1 fixed-site, when the solid viewpoint position in the center on the dull and stereotyped electronic display 1 changes, can be along horizontal slide rail 24 and vertical slide rail 27 moving slide boards 25, make the subiculum 26 that is connected with slide plate 25 also along with translation, can change the distance of subiculum 26 and dull and stereotyped electronic display 1.Can be by rotating the screw thread straight-bar 21 that subiculum 26 is connected with slide plate 25, the height of fine-tuning subiculum 26.
As shown in Figure 2, when to sighting target light intensity timing, hinged variable length connecting rod 9 and variable length straight-bar 8 are rotated to the dead ahead of face battle array source display device 1 around fixed axis 7, the position that can show the solid viewpoint of sighting target or center of diverse location and scope at dull and stereotyped electronic display 1, adjusting variable length connecting rod 9 and socket pipe 12 change collection position and the direction of graph capture device 13, and the detection sighting target can both be gathered by graph capture device 13.Gather because various factors causes light source device aging by image capture device 13, so that brightness departs from the sighting target point of calibration value, can provide condition to the correction of sighting target point.Correction finishes, and variable length connecting rod 9 and variable length straight-bar 8 and image capture device 13 are rotated back to position shown in Figure 1 around fixed axis 7.
As shown in Figure 3, variable length connecting rod 4 is made up of the sleeve at fixed length straight-bar 5 and fixed length straight-bar 5 two ends and the straight-bar that can move in sleeve, sleeve is connected with bolt 6 with straight-bar, regulate the bolt 6 on the straight-bar, elongate or shorten the length of straight-bar outside sleeve, and fix the position of straight-bar and determine the length of whole variable length connecting rod 4 with bolt 6, be connected and fixed axle 7 directly over the fixed length straight-bar 5.
As shown in Figure 4, keyway 32 on the worm gear 33 end face fixed axis and handwheel 15 are connected by key, worm gear 33 again with worm screw 31 screw-threaded engagement, rotation handwheel 15 drives the stretching motion of rotatablely moving of worm gears 33 and worm screw 31, the end of worm screw 31 is connected and fixed disk 34, fixed disc 34 is connected by set bolt with the right side of base 16 again, realizes changing the length of base 16.
Claims (3)
1. the positive battle array of the self-correcting visual field, source instrument, it is characterized in that: it comprises dull and stereotyped electronic display (1), the bracing frame (2) of dull and stereotyped electronic display (1) and be installed with a support member (28) in the lower end of this dull and stereotyped electronic display (1), and dull and stereotyped electronic display (1) is placed in the support slot of this support member (28), and the two ends of support member (28) are connected by first bolt (14) with the bracing frame (2) of both sides; The chute that drives support member (28) slip for first bolt (14) is arranged along bracing frame (2) both sides; A first variable length connecting rod (4) is installed on the top of bracing frame (2), the first variable length connecting rod (4) is made up of the sleeve at the first fixed length straight-bar (5) and first fixed length straight-bar (5) two ends and the straight-bar that can move in sleeve, sleeve is connected with second bolt (6) with straight-bar, regulate second bolt (6) on the straight-bar, elongate or shorten the length of straight-bar outside sleeve, and fix the position of straight-bar and determine the length of the whole first variable length connecting rod (4) with second bolt (6), one fixed axis (7) is installed directly over the first fixed length straight-bar (5) of the first variable length connecting rod (4), this fixed axis (7) is hinged with variable length straight-bar (8), variable length straight-bar (8) is articulated and connected with the second variable length connecting rod (9) again, variable length straight-bar (8) and second variable length connecting rod (9) relation of meeting at right angles, the second variable length connecting rod (9) is made up of the second fixed length straight-bar and cannulated sleeve (10), cannulated sleeve (10) slides at the second fixed length straight-bar and changes the length of the second variable length connecting rod (9), and the second fixed length straight-bar is fixedlyed connected by the 3rd bolt (11) with cannulated sleeve (10); The lower end of the second variable length connecting rod (9) connects image capture device (13); The lower end of the bracing frame (2) of support plate electronic display (1) is installed on the base (16), base (16) is provided with the handwheel (15) of adjusting base (16) length, the lower end of base (16) is connected by the electronic table of slide rail (17) and liftable (19), and the electronic table of base (16) and liftable (19) is on same axis; Upper surface at the electronic table of liftable (19) is equipped with the horizontal guide rail (24) that parallels with dull and stereotyped electronic display (1), having on the horizontal guide rail (24) can be along the slide plate (25) of its slip, there is the sports limiting piece at horizontal guide rail (24) two ends, by the horizontal level of the 4th bolt (30) fixed sliding plate (25); Being provided with slide plate perpendicular to horizontal guide rail (24) can be along its vertical vertical guide rail (27) that slides, by the upright position of set bolt (29) fixed sliding plate (25); Vertical guide rail (27) below the described slide plate (25) passes through mutually with horizontal guide rail (24) and is connected, and slide plate (25) can move along level and vertical direction; Slide plate (25) is connected subiculum (26) by connecting rod (21) with screw shell (20), connecting rod (21) and screw shell (20) engagement, by rotation screw shell (20) can trickle change subiculum (26) high and low position, the electronic table of liftable (19) is provided with regulates rising button (23) and falling button (22) of liftable electronic table (19) lifting.
2. the positive battle array of a kind of self-correcting according to claim 1 visual field, source instrument, it is characterized in that: described image capture device (13) is selected the high definition digital camera for use.
3. the positive battle array of a kind of self-correcting according to claim 1 visual field, source instrument, it is characterized in that: described dull and stereotyped electronic display (1) is selected high brightness LCD TV or plasm TV or outdoor advertising display screen for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110300314 CN102499623B (en) | 2011-09-28 | 2011-09-28 | Self-correction area array source visual field measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110300314 CN102499623B (en) | 2011-09-28 | 2011-09-28 | Self-correction area array source visual field measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102499623A CN102499623A (en) | 2012-06-20 |
| CN102499623B true CN102499623B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110300314 Expired - Fee Related CN102499623B (en) | 2011-09-28 | 2011-09-28 | Self-correction area array source visual field measuring instrument |
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| Country | Link |
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| CN (1) | CN102499623B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6053574B2 (en) | 2013-02-28 | 2016-12-27 | 国立大学法人 東京大学 | Visual field inspection support device |
| CN106821304B (en) * | 2017-03-07 | 2018-09-25 | 林广杰 | A kind of multi-functional ophthalmic eye disease check device |
| CN108420396A (en) * | 2018-04-17 | 2018-08-21 | 天津滨海华医光电技术有限公司 | A kind of four-point vision range detecting device of position adjustable |
| CN113701095B (en) * | 2021-08-23 | 2024-01-26 | 江苏新广联光电股份有限公司 | Writing board lamp capable of being adjusted in three dimensions |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86209637U (en) * | 1986-12-06 | 1987-12-16 | 贺忠江 | Central visual field analyzer |
| US5220361A (en) * | 1991-06-05 | 1993-06-15 | Allergan Humphrey | Gaze tracking for field analyzer |
| CN100528070C (en) * | 2004-09-15 | 2009-08-19 | 松下电工株式会社 | Perimeter |
| EP2353495A1 (en) * | 2008-12-02 | 2011-08-10 | Panasonic Electric Works Co., Ltd. | Multifunction ophthalmic examination apparatus |
| CN201929941U (en) * | 2010-11-23 | 2011-08-17 | 杭州华泰医疗科技有限公司 | Hemispheric stimulating vision function diagnosis and treatment instrument |
| CN202288241U (en) * | 2011-09-28 | 2012-07-04 | 北京工业大学 | Self-correction area array source sight apparatus |
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2011
- 2011-09-28 CN CN 201110300314 patent/CN102499623B/en not_active Expired - Fee Related
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| CN102499623A (en) | 2012-06-20 |
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