CN208388585U - A kind of eyesight test chart lamp box that convenient for children uses - Google Patents
A kind of eyesight test chart lamp box that convenient for children uses Download PDFInfo
- Publication number
- CN208388585U CN208388585U CN201720824275.6U CN201720824275U CN208388585U CN 208388585 U CN208388585 U CN 208388585U CN 201720824275 U CN201720824275 U CN 201720824275U CN 208388585 U CN208388585 U CN 208388585U
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- children
- test chart
- transmission shaft
- cabinet
- lamp box
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Abstract
The utility model relates to medical instruments fields, more particularly, to a kind of eyesight test chart lamp box that convenient for children uses, including cabinet, transmission shaft, motor, conveyer belt, remote controler, luminescent screen, control unit and receiving unit, the transmission shaft includes the first transmission shaft and second driving shaft, the conveyer belt is wrapped in a ring on the first transmission shaft and second driving shaft, the motor output shaft and the first transmission axis connection.The receiving unit and described control unit are set in the cabinet；Light guide plate and reflective sheeting are additionally provided in the cabinet, the visual chart is located in the front panel of light guide plate and cabinet, and the luminescent screen is located in light guide plate and reflective sheeting.The utility model realizes the switching to different visual charts by remote control control transmission shaft, and is adjustable lamp box luminous intensity and meets patient demand, improves eye test accuracy.
Description
[technical field]
The utility model relates to medical instruments fields, more particularly, to a kind of eyesight test chart lamp box that convenient for children uses.
[background technique]
Regular eyesight detection is the most important and the most effective means of phase early detection eye diseases in children, because of either eye
Portion's lesion or the visual impairment as caused by general disease, are not usually perceived by infant or parent, especially under eyesight is slow
Drop or monocular vision are less susceptible to find when declining, therefore inspecting periodically eyesight is early detection, early treatment and prevention children with ocular
The generation of disease and develop most simple and convenient and fast method.In paediatrics, young children carry out usual when eye test
It needs to use test chart for children and twenty-twenty vision table, often loads onto test chart for children respectively in lamp box front and rear sides in actual operation
With twenty-twenty vision table, children carry out survey eyesight using current eyesight test chart lamp box and have the following problems: 1. children use youngster in front side
It after virgin visual chart has detected, also to go to rear side and go to be detected using twenty-twenty vision table, this visual chart requires to have wide enough
Wealthy space, at the same it is inconvenient to use.2. the usual journey strip of visual chart, children see view when surveying eyesight due to height differences
Different location is usually required to come back or be bowed on power table, is not able to maintain and is given a test of one's eyesight with head-up state.3. due to children's
Eyes are widely different to the resolution of light, and the brightness of lamp box is not adjustable at present, cause the eyesight measured with practical feelings
Condition often has error.
[utility model content]
In view of the foregoing, it is necessary to a kind of eyesight test chart lamp box that convenient for children uses is provided, what which used
Eyesight test chart lamp box enables to tester and testee that test chart for children and twenty-twenty vision table pair can be used without mobile
Eyesight is detected, and the brightness for the eyesight test chart lamp box that can be used with children easy to adjust is to obtain more accurate testing result.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: Visual chart lamp box for testing eyesight that convenient for children uses
Case, the eyesight test chart lamp box that the convenient for children uses include cabinet, transmission shaft, conveyer belt, motor, remote controler, luminescent screen, control
Unit and receiving unit；
The transmission shaft includes the first transmission shaft and second driving shaft, and first transmission shaft and the second driving shaft divide
Not She Yu the cabinet opposite end, the conveyer belt is wrapped in a ring on first transmission shaft and second driving shaft,
The opposite sides of the conveyer belt is respectively equipped with test chart for children and twenty-twenty vision table, the test chart for children and twenty-twenty vision table
Positioned at the conveyer belt backwards to the side of first transmission shaft, the output shaft of the motor and the first transmission axis connection with
By driving first transmission shaft to drive the conveyer belt movement, so that the test chart for children or twenty-twenty vision surface
To eyesight tester；
The receiving unit is set to the signal issued in the cabinet for receiving the remote controler, and described control unit is set
In the luminous intensity and the motor that are used to control the luminescent screen in the cabinet according to the receiving unit received signal
Forward or reverse；
The cabinet surrounding is made of acrylic board, and light guide plate and reflective sheeting, the conveyer belt are additionally provided in the cabinet
It is located between the light guide plate and the front panel of the cabinet, the luminescent screen is located in the light guide plate and the reflective sheeting
Between.
Further, photosensitive sensors are additionally provided on the cabinet lateral wall, the photosensitive sensors are for incuding cabinet
Corresponding signal is simultaneously passed to control unit to adjust the luminous intensity of luminescent screen by extraneous light intensity.
Further, the eyesight test chart lamp box that the convenient for children uses further includes transformer, and the transformer is electrically connected with city
It connects, provides electric energy with the operation of the eyesight test chart lamp box used for the convenient for children.
Further, luminescent device is equipped in the luminescent screen.
Further, the luminescent device is light emitting diode, and the luminescent device is several.
Further, the side of the conveyer belt towards first transmission shaft is additionally provided with two non-skid bands, and two anti-skidding
Band is located at the opposite sides of the test chart for children, and each non-skid band includes be convexly equipped in the transmission surface several anti-skidding
Protrusion.
Due to the adoption of the above technical scheme, the utility model has the following beneficial effects: the utility model convenient for children makes
Conveyer belt is wrapped on two transmission shafts by eyesight test chart lamp box, and test chart for children and twenty-twenty vision table are respectively arranged on conveyer belt
Opposite sides, transmission shaft rotation drives conveyer belt to do cyclic motion can be presented test chart for children and twenty-twenty vision table respectively, make
Patient is sitting in a position and can make to achieve the effect that be tested eyesight using different visual charts, while can as needed by
The sighting target of the visual chart of detection is adjusted to the sight the same horizontal position with human body.And the motor that can control by remote controler
It rotates and reverse and drives transmission shaft rotation, realize and visual chart is done into cyclic annular movement, greatly facilitate medical staff and patient.This reality
Meet the needs of different patients are to lamplight brightness with the luminous intensity of novel also controllable luminescent screen, improves test accuracy.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram for the eyesight test chart lamp box that the utility model convenient for children uses.
Fig. 2 is the cross-sectional view of cabinet in eyesight test chart lamp box that the utility model convenient for children uses.
Fig. 3 is the eyesight test chart lamp box visual chart and transmission shaft-side view that the utility model convenient for children uses.
In attached drawing: 1- cabinet；2- transmission shaft；3- motor；4- light guide plate；5- conveyer belt；51- non-skid band；52- children's vision
Table；53- twenty-twenty vision table；6- photosensitive sensors；7- remote controler；8- control unit；9- receiving unit；10- luminescent screen；101- hair
Optical device；11- reflective sheeting.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Refer to attached drawing, a kind of eyesight test chart lamp box that convenient for children uses, including cabinet 1, transmission shaft 2, motor 3, transmission
Band 5, remote controler 7, luminescent screen 10, control unit 8 and receiving unit 9；
Transmission shaft 2 includes the first transmission shaft and second driving shaft, and the first transmission shaft and the second driving shaft are respectively arranged on
1 opposite end of cabinet, conveyer belt 5 are wrapped in a ring on the first transmission shaft and second driving shaft, test chart for children symbol and just
Normal visual chart symbol is all stamped on same Zhang Huanzhuan visual chart 5, and 5 opposite sides side of visual chart is equipped with transmission belt 51, transmission belt
51 are equipped with anti-skid bulge with the contact surface of transmission shaft 2, and 3 output shaft of motor is driven axis connection with first to drive the first transmission shaft 2
Rotation.The opposite sides of conveyer belt 5 is respectively equipped with test chart for children 52 and twenty-twenty vision table 53, test chart for children 52 and normal view
Power table 53 is located at side of the conveyer belt 5 backwards to the first transmission shaft, and the output shaft of motor 3 and the first transmission axis connection are to drive first
Transmission shaft rotation, to drive conveyer belt 5 to move, so that the test chart for children 52 or twenty-twenty vision table 53 are examined towards eyesight
Survey person.Receiving unit 9 is set in cabinet 1 for receiving the signal of the sending of remote controler 7, and control unit 8, which is set in cabinet 1, is used for root
The luminous intensity and motor 3 for controlling luminescent screen 10 according to 9 received signal of receiving unit are forward or reverse.1 surrounding of cabinet is by Asia
Gram force plate is made, and light guide plate 4 and reflective sheeting 11 are additionally provided in cabinet 1, and conveyer belt 5 is located in the front panel of light guide plate 4 Yu cabinet 1
Between, luminescent screen 10 is located between light guide plate 4 and reflective sheeting 11.
Photosensitive sensors 6 are additionally provided on 1 lateral wall of cabinet, photosensitive sensors 6 are for incuding 1 extraneous light intensity of cabinet simultaneously
Corresponding signal is passed into control unit 8 to adjust the luminous intensity of luminescent screen 10.Whether remote controler 7 can control control unit 8
The signal that is transmitted of photosensitive sensors 6 is received, when the signal that 8 reception photosensitive sensors 6 are transmitted, control unit 8 is according to connecing
The luminous intensity for receiving the signal adjust automatically luminescent screen 10 that photosensitive sensors 6 are transmitted is passed when control unit 8 does not receive light sensation
When the signal that sensor 6 is transmitted, the luminous intensity of luminescent screen 10 will not because of ambient intensity variation and change.It is two-in-one
Eyesight test chart lamp box further includes transformer, and transformer is electrically connected with city, provides electric energy with the operation for two-in-one eyesight test chart lamp box.Hair
Tabula rasa 10 is equipped with luminescent device 101, and luminescent device 101 is light emitting diode.Two-in-one eyesight test chart lamp box can also include support
Foot is used to support two-in-one eyesight test chart lamp box.The side of conveyer belt 5 towards first transmission shaft is additionally provided with two non-skid bands
51, two non-skid bands 51 are located at the opposite sides of visual chart, and each non-skid band 51 includes being convexly equipped in 51 surface of conveyer belt
Several anti-skid bulges.
The utility model application method is briefly described below, when patient needs to test eyesight, patient is sitting in convenient for children
In front of the eyesight test chart lamp box used, remote controler 7 is pressed, remote controler 7 issues control signal, and receiving unit 9 receives signal and passes
Control unit 8 is passed, control unit 8 controls motor 3 and rotates, and drives the rotation of the first transmission shaft, and conveyer belt 5 rubs with transmission shaft 2
It wipes, so that visual chart 1 be made to follow transmission shaft mobile, selects different visual charts being moved to tester's sight according to actual needs
Horizontal position is tested.Photosensitive sensors 6 can incude lamp box extraneous light intensity and corresponding signal is passed to control unit 8
To adjust the luminous intensity of luminescent screen 10, realize automatically according to 1 brightness of ambient light intensity adjustment cabinet.When not needing to automatically adjust
When the luminous intensity of luminescent screen 10, the function can be closed by remote controler.When needing to adjust luminous intensity to adapt to different patients,
The change of control light is issued by force by remote controler 7 or attenuated signal, receiving unit 9 receive signal and pass to control unit 8, is controlled
Unit 8 controls the luminous intensity of luminescent screen 10 to meet patient requests.
Claims (6)
1. a kind of eyesight test chart lamp box that convenient for children uses, it is characterised in that: the Visual chart lamp box for testing eyesight luggage that the convenient for children uses
Include cabinet, transmission shaft, conveyer belt, motor, remote controler, luminescent screen, control unit and receiving unit；
The transmission shaft includes the first transmission shaft and second driving shaft, and first transmission shaft and the second driving shaft are set respectively
In the opposite end of the cabinet, the conveyer belt is wrapped in a ring on first transmission shaft and second driving shaft, described
The opposite sides of conveyer belt is respectively equipped with test chart for children and twenty-twenty vision table, the test chart for children and twenty-twenty vision epitope in
The conveyer belt is backwards to the side of first transmission shaft, and the output shaft of the motor is with the first transmission axis connection to pass through
First transmission shaft is driven to drive the conveyer belt movement, so that the test chart for children or twenty-twenty vision surface are to view
Power tester；
The receiving unit is set to the signal issued in the cabinet for receiving the remote controler, and described control unit is set to institute
State the luminous intensity for being used to control the luminescent screen according to the receiving unit received signal in cabinet and the motor just
Turn or inverts；
The cabinet surrounding is made of acrylic board, and light guide plate and reflective sheeting, the conveyer belt sandwiched are additionally provided in the cabinet
Between the light guide plate and the front panel of the cabinet, the luminescent screen be located in the light guide plate and the reflective sheeting it
Between.
2. the eyesight test chart lamp box that convenient for children uses according to claim 1, it is characterised in that: on the cabinet lateral wall also
Equipped with photosensitive sensors, the photosensitive sensors pass to control list for induction-box body extraneous light intensity and by corresponding signal
Member is to adjust the luminous intensity of luminescent screen.
3. the eyesight test chart lamp box that convenient for children uses according to claim 1, it is characterised in that: what the convenient for children used
Eyesight test chart lamp box further includes transformer, and the transformer is electrically connected with city, with the eyesight test chart lamp box used for the convenient for children
Operation provide electric energy.
4. the eyesight test chart lamp box that convenient for children uses according to claim 1, it is characterised in that: be equipped with hair in the luminescent screen
Optical device.
5. the eyesight test chart lamp box that convenient for children uses according to claim 4, it is characterised in that: the luminescent device is luminous
Diode, the luminescent device are several.
6. the eyesight test chart lamp box that convenient for children uses according to claim 1, it is characterised in that: the conveyer belt is described in
The side of first transmission shaft is additionally provided with two non-skid bands, and two non-skid bands are located at the opposite sides of the test chart for children,
Each non-skid band includes several anti-skid bulges for being convexly equipped in the transmission belt surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824275.6U CN208388585U (en) | 2017-07-10 | 2017-07-10 | A kind of eyesight test chart lamp box that convenient for children uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824275.6U CN208388585U (en) | 2017-07-10 | 2017-07-10 | A kind of eyesight test chart lamp box that convenient for children uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208388585U true CN208388585U (en) | 2019-01-18 |
Family
ID=65065220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720824275.6U Active CN208388585U (en) | 2017-07-10 | 2017-07-10 | A kind of eyesight test chart lamp box that convenient for children uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208388585U (en) |
-
2017
- 2017-07-10 CN CN201720824275.6U patent/CN208388585U/en active Active
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