CN201481391U - Visual testing instrument for infants - Google Patents
Visual testing instrument for infants Download PDFInfo
- Publication number
- CN201481391U CN201481391U CN2009201906840U CN200920190684U CN201481391U CN 201481391 U CN201481391 U CN 201481391U CN 2009201906840 U CN2009201906840 U CN 2009201906840U CN 200920190684 U CN200920190684 U CN 200920190684U CN 201481391 U CN201481391 U CN 201481391U
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- video camera
- camera
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- slide block
- image display
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Abstract
The utility model provides a visual testing instrument for infants, which comprises a console with a computer host, a programmed control display, an input device, a test image display arranged on the back of the console and a camera, wherein a panel of the camera is provided with a slide block which is matched with a guide rail mounted on the back of the console, the camera is arranged on a base provided with a horizontal rotation fine adjustment mechanism, the base is fixed to the slide block on the panel of the camera and is fixed to the guide rail by means of the connection movement of the guide rail and the slide block on the panel of the camera; the test image display, the camera, the programmed control display and the input device are all connected with the computer host, and an electric lift and the horizontal rotation fine adjustment mechanism are respectively controlled by a lifting controller and a fine adjustment mechanism controller which are arranged at the front face of the console. The visual testing instrument for infants has the advantages of wide stimulating range of a display rack screen and high testing accuracy; and a testing person and a tested person do not disturb each other, and the instrument is single-typed, thus facilitating carrying and selling.
Description
Technical field
This utility model relates to a kind of equipment for examining vision, and is particularly a kind of by the computer-controlled equipment for examining vision that is applicable to infant.
Background technology
The method of preferentially watching attentively (PL) that infant eyesight inspection is at present adopted belongs to more forces method of preferentially watching attentively (FPL) and vision block-regulations (ACP) category, and for still not recognizing 1-36 month infant reading visual acuity chart, the examination of visual acuity technology has bigger difficulty clinically.Tradition is strengthened and preferentially to be watched method (OPL) checking process attentively and need two bit manipulation persons to participate in and take up an area of that the space is big, the testing time is long, reinforcing stimulus is single.Above drawbacks limit its popularization clinically.
Summary of the invention
Technical problem to be solved in the utility model provides a kind ofly preferentially watches the desk-top testing fixture of method (OPL) attentively by electronic computer control and bar grid field stimulation is wide, checking efficiency is high reinforcement.
For solving the problems of the technologies described above, this utility model by the following technical solutions: a kind of infant vision tester comprises control station, check image display, video camera, program control operation display, the input equipment that is provided with host computer; Check image display and the video camera panel that has a video camera place the back side of control station, the video camera panel is provided with slide block, slide block matches with the guide rail of device at the control station back side, video camera places one to be provided with on the support that horizontally rotates micro-adjusting mechanism, support is fixed on the slide block of video camera panel, and support is by active being fixed on the guide rail of video camera panel top shoe and being connected of guide rail; The check image display is provided with electric elevator; Program control operation display, input equipment, output device place on the control station, check image display, video camera, program control operation display, input equipment all link to each other with host computer, electric elevator and horizontally rotate micro-adjusting mechanism respectively by the lifting controller in the front that is arranged on control station and the control of micro-adjusting mechanism controller.
The described micro-adjusting mechanism that horizontally rotates is preferably cable wire and turbine and worm drive mechanism, it comprises camera mount, carriage center axle, reset tension spring, cable wire, turbine, worm screw, one end of reset tension spring links to each other with camera mount, the other end is fixed on the support, video camera is fixed on the support by the carriage center axle, and an end of cable wire is fixed on the support, and the other end is walked around the cable wire directive wheel and is fixed on the turbine, turbine cooperates with worm screw, and the end of worm screw has regulating handle.
The beneficial effects of the utility model are: owing to stimulate the demonstration of display and the analysis of check result directly to be made by host computer control, so show bar grid field stimulation is wide, refinement the examination of visual acuity content, the degree of accuracy of inspection improves greatly, and has shortened the required time of analysis result; The image display that examiner and those who are investigated observe cuts off fully, does not disturb mutually between the personnel, and is single desk-top, is convenient to carrying and sale.
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of this utility model infant vision tester.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation that horizontally rotates micro-adjusting mechanism.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of embodiment of this utility model infant vision tester comprises the control station 1, check image display 2, variable-focus video camera 8, program control operation display 4, the input equipment that are provided with host computer 3; Check image display 2 and the video camera panel that has a variable-focus video camera 8 place the back side of control station 1, the video camera panel is provided with slide block 18, slide block 18 matches with the guide rail 6 of device at control station 1 back side, variable-focus video camera 8 places one to be provided with on the support 21 that horizontally rotates micro-adjusting mechanism, support is fixed on the slide block of video camera panel, and support is by active being fixed on the guide rail 6 of video camera panel top shoe 18 and being connected of guide rail 6.Check image display 2 is provided with electric elevator 7, electric elevator 7 and horizontally rotate micro-adjusting mechanism respectively by the lifting controller 10 and 11 controls of micro-adjusting mechanism controller in the front that is arranged on control station 1.Horizontally rotating micro-adjusting mechanism is cable wire and turbine and worm drive mechanism, as shown in Figure 4, comprise camera mount 12, carriage center axle 13, reset tension spring 14, cable wire 15, cable wire directive wheel 16, turbine 17, worm screw 19, one end of reset tension spring 14 links to each other with camera mount 12, the other end is fixed on the support 21, variable-focus video camera 8 is fixed on the support 12 by the carriage center axle 13 that is attached thereto, one end of cable wire 15 is fixed on the support 12, the other end is walked around cable wire directive wheel 16 and is fixed on the turbine 17, turbine 17 cooperates with worm screw 19, and the end of worm screw 19 has regulating handle 20.Regulating handle is adjusted the level angle of video camera so that craft can drive worm screw, turbine by cable wire pulling camera mount.Micro-adjusting mechanism controller 11 is adjusted the level angle of video camera through worm screw.Program control operation display 4, input equipment, output device place the front of control station 1, and output device is that text output is printer 9 and sound prompt device.Check image display 2, variable-focus video camera 8, program control operation display 4, input equipment all link to each other with host computer 3.
The check image display 2 of the may command lifting at control station 1 back side, variable-focus video camera 8 are used to show check image and gather those who are investigated's eyes image.Control station 1 front has work top 5, program control operation display 4, printer 9, lifting controller 10, micro-adjusting mechanism controller 11 and comprises that keyboard, mouse etc. offer the input equipment that the tester uses.Infant eyesight check system software is installed in the host computer 3, is used for the control and the management of whole checking process.
The height of the check image display 2 in this utility model by electric elevator 7 controls, makes the central horizontal position of check image display 2 and those who are investigated's eye be consistent by lifting controller 10.The height of variable video camera 8 is by the slide block 18 flexible connection manual adjustments with guide rail 6, about fine setting by micro-adjusting mechanism controller 11 by horizontally rotating the micro-adjusting mechanism adjustment, to adapt to the center adjustment of those who are investigated to check image display 2 different distance.
Its operation principle is: check image display 2 show bar grid, the situation of watching attentively that variable-focus video camera 8 is taken infant is sent to main frame 3, through storage, handle the back and export the result and comprise printer 9, sound prompt device to output device.
The parameter of check image display 2 show bar grid comprises the width, contrast, brightness, reinforcing stimulus animated image of test strip grid and comparative pattern etc., also can be by showing alphabetical eyesight testing, and these all are provided with by the software of main frame 3 (computer).Mouse can be clicked save button and preserve key images frame and detection data in the test process, for follow-up management and printout.
This utility model infant vision tester also can set out other more additional functions on the basis of host software program design, also check result repeatedly can be gone out precise results etc. after the unified Analysis again such as main frame 3.
Claims (5)
1. an infant vision tester is characterized in that: comprise the control station, check image display, video camera, program control operation display, input equipment and the output device that are provided with host computer; Check image display and the video camera panel that has a video camera place the back side of control station, the video camera panel is provided with slide block, slide block matches with the guide rail of device at the control station back side, video camera places one to be provided with on the support that horizontally rotates micro-adjusting mechanism, support is fixed on the slide block upper frame of video camera panel by on the video camera panel, slide block and active being fixed on the guide rail of being connected of guide rail; The check image display is provided with electric elevator; Program control operation display, input equipment, output device place the front of control station, check image display, video camera, program control operation display, input equipment all link to each other with host computer, electric elevator and horizontally rotate micro-adjusting mechanism respectively by the lifting controller in the front that is arranged on control station and the control of micro-adjusting mechanism controller.
2. infant vision tester according to claim 1, it is characterized in that: the described micro-adjusting mechanism that horizontally rotates is cable wire and turbine and worm drive mechanism, it comprises camera mount, the carriage center axle, reset tension spring, cable wire, the cable wire directive wheel, turbine, worm screw, the camera mount expansion bearing is on the carriage center axle, one end of reset tension spring links to each other with camera mount, the other end is fixed on the support, video camera is fixed on the support by the carriage center axle that is attached thereto, one end of cable wire is fixed on the support, the other end is walked around the cable wire directive wheel and is fixed on the turbine, turbine cooperates with worm screw, the end of worm screw has regulating handle, regulating handle is so that can drive worm screw by hand by hand, turbine is by the level angle of cable wire pulling camera mount adjustment video camera.
3. infant vision tester according to claim 1 and 2 is characterized in that: described video camera is a variable-focus video camera.
4. infant vision tester according to claim 1 and 2 is characterized in that: described output device is text output or/and sound prompt device, text or/and the voice suggestion output device link to each other with host computer.
5. infant vision tester according to claim 3 is characterized in that: described output device is text output or/and sound prompt device, text or/and the voice suggestion output device link to each other with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201906840U CN201481391U (en) | 2009-07-30 | 2009-07-30 | Visual testing instrument for infants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201906840U CN201481391U (en) | 2009-07-30 | 2009-07-30 | Visual testing instrument for infants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201481391U true CN201481391U (en) | 2010-05-26 |
Family
ID=42420283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201906840U Expired - Fee Related CN201481391U (en) | 2009-07-30 | 2009-07-30 | Visual testing instrument for infants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201481391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627896A (en) * | 2009-07-30 | 2010-01-20 | 温州医学院 | Infant vision tester |
| CN106572795A (en) * | 2014-07-02 | 2017-04-19 | 皇家飞利浦有限公司 | Eye condition determination system |
-
2009
- 2009-07-30 CN CN2009201906840U patent/CN201481391U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627896A (en) * | 2009-07-30 | 2010-01-20 | 温州医学院 | Infant vision tester |
| CN106572795A (en) * | 2014-07-02 | 2017-04-19 | 皇家飞利浦有限公司 | Eye condition determination system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150730 |
|
| EXPY | Termination of patent right or utility model |