CN104739362B - A kind of remote control adjustable visual chart - Google Patents
A kind of remote control adjustable visual chart Download PDFInfo
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- CN104739362B CN104739362B CN201510078138.8A CN201510078138A CN104739362B CN 104739362 B CN104739362 B CN 104739362B CN 201510078138 A CN201510078138 A CN 201510078138A CN 104739362 B CN104739362 B CN 104739362B
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- sighting target
- remote control
- base plate
- guide plate
- fixedly installed
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Abstract
A kind of remote control adjustable visual chart, belongs to visual acuity chart technical field.It includes the casing being formed by connecting by shell and panel, be arranged in parallel in casing base plate and guide plate, sighting target rotation system it is equipped with between base plate and guide plate, the control circuit board controlling sighting target rotation system it is fixedly installed on guide plate, sighting target rotation system includes rotary sleeve that the motor being fixedly installed on base plate is connected with motor-driven and the fixing lampshade of rotary sleeve and is fixed on the sighting target of lampshade one end, it is equipped with lamp socket in lampshade, lamp socket is fixedly installed one group of LED bulb.The method have the advantages that minimizing sighting target；Decrease the impact at visual angle, improve the precision of test；Due to remote control, no longer there is indicating bar, there is not the impact of indicating bar, simultaneously because the illumination of each remote control only one of which class, and sighting target Random-Rotation, eliminate tested person by memorizing raising test vision probability.
Description
Technical field
The invention belongs to visual acuity chart technical field, be specifically related to a kind of remote control adjustable visual chart.
Background technology
What the most general hospital, school gave a test of one's eyesight is common visual acuity chart.There is a lot of drawback in them, mainly has: 1, sighting target is fixed, as long as tested person is intentionally by shorthand, vision at least can improve 2 to 5 class.2, the distant vision test chart height of national standard detecting distance 5 meters has 777 centimetres, and upper and lower span is big, affects visual angle, and this must affect the degree of accuracy of test.3, sighting target is too many, particularly has good eyesight a bit, and the sighting target on side has large effect to reader sighting target, can make comparisons at short notice.4, indicating bar also has considerable influence to detection.
Summary of the invention
The problem existed for prior art, it is an object of the invention to design provides the technical scheme of a kind of remote control adjustable visual chart.
Described a kind of remote control adjustable visual chart, including the casing being formed by connecting by shell and panel, is characterized in that be arrangeding in parallel in described casing base plate and guide plate, sighting target rotation system it is equipped with between described base plate and guide plate, the control circuit board controlling sighting target rotation system it is fixedly installed on described guide plate, described sighting target rotation system includes the motor being fixedly installed on base plate, the rotary sleeve being connected with motor-driven, the lampshade fixed with rotary sleeve and the sighting target being fixed on lampshade one end, it is equipped with lamp socket in described lampshade, one group of LED bulb it is fixedly installed on described lamp socket.
Described a kind of remote control adjustable visual chart, it is characterised in that described base plate is fixed in shell, by the one group of positioning sleeve keeping parallelism arranged between described base plate and guide plate by the one group of installation lining arranged.
Described a kind of remote control adjustable visual chart, it is characterised in that wiring board lining is set between described control circuit board and guide plate.
Described a kind of remote control adjustable visual chart, it is characterised in that being equipped with 14 groups of sighting target rotation systems between described base plate and guide plate, the described sighting target size in 14 groups of sighting target rotation systems is corresponding with the sighting target size in standard logarithmic distant vision test chart.
Described a kind of remote control adjustable visual chart, it is characterized in that being fixedly installed driving gear on the output shaft of described motor, described driving gear engages with the driven gear being fixedly installed on rotary sleeve, by arranging clutch shaft bearing and the second bearings being arranged in guide plate in the soleplate on described rotary sleeve.
Described a kind of remote control adjustable visual chart, it is characterised in that be equipped with lining between described driven gear and base plate.
Described a kind of remote control adjustable visual chart, it is characterised in that described clutch shaft bearing is by the clutch shaft bearing lid location being fixedly installed on base plate, and the second described bearing is by the second bearing cap location being fixedly installed on guide plate.
Described a kind of remote control adjustable visual chart, it is characterized in that being provided with threading set in the middle of described clutch shaft bearing lid, described threading set is positioned at rotary sleeve, it is provided with the second entrance hole in described threading set, described clutch shaft bearing lid left end socket lamp socket, is provided with the first entrance hole between described lamp socket and clutch shaft bearing lid.
Above-mentioned a kind of remote control adjustable visual chart, reasonable in design, compared with prior art have the advantages that 1, reduce sighting target, each class only one of which.Sighting target is reduced to 14 from 70 of original national regulations.2, the height of visual acuity chart can reduce by 200 cm, which reduces the impact at visual angle, improves the precision of test.3, due to remote control, no longer there is indicating bar, there is not the impact of indicating bar.Simultaneously because the illumination of each remote control only one of which class, and sighting target Random-Rotation, eliminate tested person by memorizing raising test vision probability.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1；
Fig. 3 is the partial enlarged drawing of Fig. 2；
Fig. 4 is B-B sectional structure schematic diagram in Fig. 2；
Fig. 5 is C-C sectional structure schematic diagram in Fig. 2；
Fig. 6 is D-D sectional structure schematic diagram in Fig. 1；
Fig. 7 is E-E sectional structure schematic diagram in Fig. 1；
Fig. 8 is F-F sectional structure schematic diagram in Fig. 1；
Fig. 9 is G-G sectional structure schematic diagram in Fig. 1；
Figure 10 is I-I sectional structure schematic diagram in Fig. 1；
Figure 11 is J-J sectional structure schematic diagram in Fig. 1；
Figure 12 is K-K sectional structure schematic diagram in Fig. 1；
Figure 13 is N-N sectional structure schematic diagram in Fig. 1.
In figure: 1-shell；2-base plate；3-motor；4-driving gear；5-clutch shaft bearing；6-clutch shaft bearing lid；7-lining；8-driven gear；9-the second bearing；10-the second bearing cap；11-guide plate；12-installs lining；13-positioning sleeve；14-panel；15-control circuit board；16-wiring board lining；17-lampshade；18-rotary sleeve；19-sighting target；20-LED bulb；21-lamp socket；22-the first entrance hole；23-the second entrance hole.
Detailed description of the invention
The present invention is further illustrated below in conjunction with Figure of description.
As shown in the figure, a kind of remote control adjustable visual chart includes the casing being formed by connecting by shell 1 and panel 14, casing is provided with base plate 2 and guide plate 11, wherein base plate 2 is fixed in shell 1 and separates with shell 1 by the one group of installation lining 12 arranged, by one group of positioning sleeve 13 keeping parallelism arranged between base plate 2 and guide plate 11.Sighting target rotation system it is equipped with between base plate 2 and guide plate 11.Guide plate 11 upper end is fixedly installed the control circuit board 15 controlling sighting target rotation system, and between control circuit board 15 and guide plate 11, both are separated by the wiring board lining 16 by arranging.
Sighting target rotation system includes the motor 3 being fixedly installed on a base plate 2, driving gear 4 it is fixedly installed on the output shaft of motor 3, driving gear 4 engages with the driven gear 8 being fixedly installed on rotary sleeve 18, and driven gear 8 and base plate 2 realize the location of driven gear 8 by the lining 7 arranged.Rotary sleeve 18 is supported by being arranged on clutch shaft bearing 5 and the second bearing 9 being arranged in guide plate 11 in base plate 2.Clutch shaft bearing 5 is positioned by the clutch shaft bearing lid 6 being fixedly installed on a base plate 2, and the second bearing 9 is positioned by the second bearing cap 10 being fixedly installed on guide plate 11.One end of rotary sleeve 18 is fixedly installed lampshade 17, lampshade 17 one end fixation target 19.The size of lampshade 17 is determined by sighting target 19.It is provided with threading set in the middle of clutch shaft bearing lid 6, threading set is positioned at rotary sleeve 18, it is provided with the second entrance hole 23 in threading set, clutch shaft bearing lid 6 left end socket lamp socket 21, lamp socket 21 be provided with one group of LED bulb 20(LED bulb 20 number can detect illumination according to the size of sighting target and national standard vision, brightness requirement is arranged), be provided with the first entrance hole 22 between lamp socket 21 and clutch shaft bearing lid 6.First entrance hole 22 and the setting of the second entrance hole 23, facilitates penetrating of illuminating line, and is not rotated by sighting target rotation system and affected.
Above-mentioned a kind of remote control adjustable visual chart can arrange 14 groups of sighting target rotation systems.nullThese 14 groups of sighting target rotation systems divide 8 row's arrangements，Wherein first row arranges 0.1 1 sighting target rotation systems of corresponding standard logarithmic distant vision test chart decimal record，Second row arranges 0.12 1 sighting target rotation systems of corresponding standard logarithmic distant vision test chart decimal record，3rd row arranges 0.15 1 sighting target rotation systems of corresponding standard logarithmic distant vision test chart decimal record，4th row arranges 0.2 and 0.25 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record，5th row arranges 0.3 and 0.4 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record，6th row arranges 0.5 and 0.6 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record，7th row arranges 0.8 and 1.0 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record，8th row arranges the 1.2 of corresponding standard logarithmic distant vision test chart decimal record、1.5 and 2.0 3 sighting target rotation systems.
The present invention is also equipped with remote controller, and remote controller arranges 15 buttons, and one is switch, and 14 is sighting target rotating illuminating button.Switch just can be by rotary knob after opening.Pressing one of them rotary knob, corresponding sighting target Random-Rotation is also positioned at 360 ° × n, 360 ° × n+90 °, any of which position of 360 ° × n+180 °, 360 ° × n+270 ° (n is natural number), and illumination simultaneously is opened.Needing rechecking on same class, as long as pressing again once on corresponding button, will rotate once to the sighting target of a new direction random.When changing the sighting target of another class, as long as pressing selected button, corresponding sighting target Random-Rotation, illumination opens, and the illumination of former sighting target is closed.
Shown in the above and figure is only the preferred embodiment of the present invention.It should be pointed out that, for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, it is also possible to make some modification and improvement, these also should be regarded as belonging to protection scope of the present invention.
Claims (8)
- null1. a remote control adjustable visual chart，Including the casing being formed by connecting by shell (1) and panel (14)，It is characterized in that be arranged in parallel in described casing base plate (2) and guide plate (11)，It is equipped with sighting target rotation system between described base plate (2) and guide plate (11)，The control circuit board (15) controlling sighting target rotation system it is fixedly installed on described guide plate (11)，Described sighting target rotation system includes the motor (3) being fixedly installed on base plate (2)、The rotary sleeve (18) being in transmission connection with motor (3)、The lampshade (17) fixed with rotary sleeve (18) and the sighting target (19) being fixed on lampshade (17) one end，It is equipped with lamp socket (21) in described lampshade (17)，One group of LED bulb (20) it is fixedly installed on described lamp socket (21).
- 2. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterized in that described base plate (2) is fixed in shell (1), by one group of positioning sleeve (13) keeping parallelism arranged between described base plate (2) and guide plate (11) by one group of installation lining (12) arranged.
- 3. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterised in that between described control circuit board (15) and guide plate (11), wiring board lining (16) is set.
- 4. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterized in that being equipped with between described base plate (2) and guide plate (11) 14 groups of sighting target rotation systems, described sighting target (19) size in 14 groups of sighting target rotation systems is corresponding with the sighting target size in standard logarithmic distant vision test chart.
- 5. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterized in that being fixedly installed driving gear (4) on the output shaft of described motor (3), described driving gear (4) engages with the driven gear (8) being fixedly installed on rotary sleeve (18), and described rotary sleeve (18) is supported by being arranged on clutch shaft bearing (5) and the second bearing (9) being arranged in guide plate (11) in base plate (2).
- 6. a kind of remote control adjustable visual chart as claimed in claim 5, it is characterised in that be equipped with lining (7) between described driven gear (8) and base plate (2).
- 7. a kind of remote control adjustable visual chart as claimed in claim 5, it is characterized in that described clutch shaft bearing (5) is positioned by the clutch shaft bearing lid (6) being fixedly installed on base plate (2), described the second bearing (9) is by the second bearing cap (10) location being fixedly installed on guide plate (11).
- 8. a kind of remote control adjustable visual chart as claimed in claim 7, it is characterized in that being provided with threading set in the middle of described clutch shaft bearing lid (6), described threading set is positioned at rotary sleeve (18), it is provided with the second entrance hole (23) in described threading set, described clutch shaft bearing lid (6) left end socket lamp socket (21), is provided with the first entrance hole (22) between described lamp socket (21) and clutch shaft bearing lid (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078138.8A CN104739362B (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078138.8A CN104739362B (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
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| Publication Number | Publication Date |
|---|---|
| CN104739362A CN104739362A (en) | 2015-07-01 |
| CN104739362B true CN104739362B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078138.8A Expired - Fee Related CN104739362B (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821298B (en) * | 2017-01-20 | 2018-05-25 | 浙江海洋大学东海科学技术学院 | A kind of Vission detector |
| CN107468205B (en) * | 2017-09-11 | 2018-06-01 | 刘建波 | The multi-functional automatic case that gives a test of one's eyesight that a kind of ophthalmology section office use |
| CN110236481B (en) * | 2019-07-05 | 2021-08-03 | 青岛大学 | Vision inspection device |
| CN110313887B (en) * | 2019-07-05 | 2021-08-03 | 青岛大学 | Heterogeneous visual chart and visual inspection method |
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|---|---|---|---|---|
| CN201414788Y (en) * | 2009-06-30 | 2010-03-03 | 李珂 | Character rotary type eyesight test chart |
| CN102715885A (en) * | 2012-06-27 | 2012-10-10 | 上海师范大学附属第二外国语学校 | Visual chart |
| CN202636905U (en) * | 2012-07-26 | 2013-01-02 | 张轶凡 | Changeable eye chart |
| DE102012217841A1 (en) * | 2012-09-28 | 2014-04-03 | Carl Zeiss Ag | Apparatus and method for demonstrating the visual impression of a wearer of spectacles with polarizing spectacle lenses |
| CN203524640U (en) * | 2013-11-09 | 2014-04-09 | 宋秋杰 | Eyesight automatic detection instrument for ophthalmology |
| CN204600424U (en) * | 2015-02-13 | 2015-09-02 | 富阳学院 | A kind of remote control adjustable visual chart |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5209239B2 (en) * | 2007-06-22 | 2013-06-12 | 株式会社ニデック | Target presentation device |
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2015
- 2015-02-13 CN CN201510078138.8A patent/CN104739362B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201414788Y (en) * | 2009-06-30 | 2010-03-03 | 李珂 | Character rotary type eyesight test chart |
| CN102715885A (en) * | 2012-06-27 | 2012-10-10 | 上海师范大学附属第二外国语学校 | Visual chart |
| CN202636905U (en) * | 2012-07-26 | 2013-01-02 | 张轶凡 | Changeable eye chart |
| DE102012217841A1 (en) * | 2012-09-28 | 2014-04-03 | Carl Zeiss Ag | Apparatus and method for demonstrating the visual impression of a wearer of spectacles with polarizing spectacle lenses |
| CN203524640U (en) * | 2013-11-09 | 2014-04-09 | 宋秋杰 | Eyesight automatic detection instrument for ophthalmology |
| CN204600424U (en) * | 2015-02-13 | 2015-09-02 | 富阳学院 | A kind of remote control adjustable visual chart |
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| CN104739362A (en) | 2015-07-01 |
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Granted publication date: 20160824 Termination date: 20180213 |