CN208404524U - A kind of two-in-one eyesight test chart lamp box - Google Patents
A kind of two-in-one eyesight test chart lamp box Download PDFInfo
- Publication number
- CN208404524U CN208404524U CN201720824290.0U CN201720824290U CN208404524U CN 208404524 U CN208404524 U CN 208404524U CN 201720824290 U CN201720824290 U CN 201720824290U CN 208404524 U CN208404524 U CN 208404524U
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- cabinet
- motor
- control unit
- test chart
- lamp box
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Abstract
The utility model relates to medical instruments fields, more particularly, to a kind of two-in-one eyesight test chart lamp box, including cabinet, transmission shaft, motor, visual chart, travel switch, remote controler, luminescent screen, control unit and receiving unit, the motor is connected with transmission shaft to be set to above cabinet, and the visual chart is wrapped on transmission shaft；The travel switch is electrically connected with control unit；The receiving unit is used to receive the signal of remote controler sending, and described control unit controls luminescent screen and motor.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 cabinet is additionally provided with electromagnet, and the electromagnet is electrically connected with control unit, and the visual chart is equipped with the magnetic part being used cooperatively with electromagnet.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 two-in-one eyesight test chart lamp box.
[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, often loads onto test chart for children and twenty-twenty vision respectively in lamp box front and rear sides in actual operation
Table after children have been detected in front side using test chart for children, will also go to rear side and go to be detected using twenty-twenty vision table, this
Visual chart requires have space wide enough, while inconvenient to use.Since the eyes of children are widely different to the resolution of light,
The brightness of lamp box is not adjustable at present, and the eyesight measured is caused often to have error with actual conditions.
[utility model content]
In view of the foregoing, it is necessary to provide a kind of two-in-one eyesight test chart lamp box, which can make
It obtains tester and testee and test chart for children and twenty-twenty vision table can be used to detect eyesight without mobile, may be used also
To adjust the brightness of two-in-one eyesight test chart lamp box to obtain more accurate testing result.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and the two-in-one eyesight test chart lamp box includes case
Body, transmission shaft, motor, visual chart, travel switch, remote controler, luminescent screen, control unit and receiving unit,
The motor and the transmission shaft are set to above cabinet, and the motor includes first motor and the second motor, institute
State transmission shaft include the first transmission shaft and second driving shaft, the first motor and it is described first transmission axis connection, described second
Motor is connect with the second driving shaft, and first transmission shaft and second driving shaft difference circumvolution test chart for children are regarded with normal
Power table；
The quantity of the travel switch is two, is respectively arranged on the upper and lower ends of the cabinet, two travel switches
It is electrically connected with the control unit；
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 described first for being used to control the luminescent screen in the cabinet according to the receiving unit received signal
Forward or reverse, described control unit is also used to receive the signal of travel switch to control first motor for motor and the second motor
And second motor stalls；
The cabinet surrounding is made of acrylic board, and light guide plate and reflective sheeting, the visual chart 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；
Several electromagnet are additionally provided on the cabinet, several described electromagnet are electrically connected with control unit respectively, if
Dry electromagnet interval is set to the cabinet surrounding, and the test chart for children is equipped with twenty-twenty vision table matches with the electromagnet
The magnetic part used is closed, described control unit is also used to control the on-off electricity condition of electromagnet.
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 two-in-one eyesight test chart lamp box further includes transformer, and the transformer is electrically connected with city, for institute
The operation for stating two-in-one eyesight test chart lamp box provides electric energy.
Further, luminescent device is equipped in the luminescent screen.
Further, the luminescent device is light emitting diode, and the luminescent device is several.
Due to the adoption of the above technical scheme, the utility model has the following beneficial effects: the two-in-one eyesight of the utility model
Visual chart is wrapped on transmission shaft by table lamp box, and visual chart can be rolled or be unfolded by transmission shaft rotation, two transmission shaft difference
Circumvolution test chart for children and twenty-twenty vision table, need to only control transmission shaft rotation can show desired visual chart, so that patient sits
Two different visual charts can be used to test eyesight a position.And the rotating forward for the motor that can control by remote controler
Transmission shaft rotation is driven with reversion, visual chart is rolled or be unfolded by realization, greatly facilitates medical staff.The utility model is also
The luminous intensity of controllable luminescent screen meets the needs of different patients are to lamplight brightness.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the two-in-one eyesight test chart lamp box of the utility model.
Fig. 2 is the main view of the two-in-one eyesight test chart lamp box of the utility model.
Fig. 3 is the cross-sectional view of cabinet in the two-in-one eyesight test chart lamp box of the utility model.
In attached drawing: 1- cabinet；2- transmission shaft；3- motor；4- travel switch；5- visual chart；6- photosensitive sensors；7- remote control
Device；8- control unit；9- receiving unit；10- luminescent screen；101- luminescent device；12- light guide plate；13- reflective sheeting；15- electromagnetism
Iron；16- magnetic part.
[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 two-in-one eyesight test chart lamp box, including cabinet 1, transmission shaft 2, motor 3, visual chart 5, stroke
Switch 4, remote controler 7, luminescent screen 10, control unit 8 and receiving unit 9, motor 3 and transmission shaft 2 are set to 1 top of cabinet, electricity
Machine 3 includes first motor (not indicating) and the second motor (not indicating), and transmission shaft 2 includes the first transmission shaft (not indicating) and second
Transmission shaft (does not indicate), and first motor is connect with the first transmission axis connection, the second motor with second driving shaft, the first transmission shaft volume
Twine test chart for children, second driving shaft circumvolution twenty-twenty vision table.4 quantity of travel switch is two, is respectively arranged on the upper and lower of cabinet 1
Both ends, two travel switches 4 are electrically connected with control unit 8.
Receiving unit 9 is used to receive the signal of the sending of remote controler 7, and control unit 8 is used for according to the received letter of receiving unit 9
Forward or reverse, control unit 8 is also used to receive the luminous intensity and first motor and the second motor of number control luminescent screen 10
The signal of travel switch 4 is to control first motor and the second motor stalls.
1 surrounding of cabinet is made of acrylic board, and light guide plate 12 and reflective sheeting 13 are additionally provided in cabinet 1, and visual chart 5 is located in
Between light guide plate 12 and the front panel of cabinet 1, luminescent screen 10 is located between light guide plate 12 and reflective sheeting 13.Light guide plate 12 and anti-
The service efficiency of light can be improved in machine-glazed paper 13.
Several electromagnet 15 are additionally provided on cabinet 1, several electromagnet 15 interval be set to cabinet 1 surrounding, and respectively with
Control unit 8 is electrically connected, and in the present embodiment, electromagnet 15 is four, and two of them are set to 1 bottom of cabinet, and another two is set to case
1 two sides of body, test chart for children and twenty-twenty vision table are equipped with the magnetic part 16 being used cooperatively with electromagnet 15；Control unit 9
It is also used to control whether electromagnet 15 is powered, adsorbable magnetic part 16 after electromagnet 15 is powered.
Further, photosensitive sensors 6 are additionally provided on 1 lateral wall of cabinet, photosensitive sensors 6 are for incuding outside cabinet 1
Corresponding signal is simultaneously passed to control unit 8 to adjust the luminous intensity of luminescent screen 10 by light intensity.The controllable control of remote controler 7
Whether unit 8 receives the signal that photosensitive sensors 6 are transmitted, and when the signal that 8 reception photosensitive sensors 6 are transmitted, control is single
Member 8 according to receiving the luminous intensity of the signal adjust automatically luminescent screen 10 that photosensitive sensors 6 are transmitted, when control unit 8 not
When receiving the signal that photosensitive sensors 6 are transmitted, the luminous intensity of luminescent screen 10 will not because of ambient intensity variation and
Variation.Two-in-one eyesight test chart lamp box further includes transformer, and transformer is electrically connected with city, with the operation for two-in-one eyesight test chart lamp box
Electric energy is provided.Luminescent screen 10 is equipped with luminescent device 101, and in the present embodiment, luminescent device 101 is light emitting diode.Two close
One eyesight test chart lamp box can also include support leg, be used to support two-in-one eyesight test chart lamp box.
The utility model application method is briefly described below, when patient needs to test eyesight, patient is sitting in two-in-one view
In front of power table lamp box, is tested eyesight using visual chart, when needing first to carry out twenty-twenty vision detection, pressed according to actual needs
Dynamic remote controler 7, remote controler 7 issue control signal, and receiving unit 9 receives signal and passes to control unit 8, control unit 8
The rotation of the second motor is controlled, so that second driving shaft rotation be driven to put down twenty-twenty vision table, cabinet 1 is arrived below twenty-twenty vision table
The travel switch 4 of the bottom of box is touched when bottom, travel switch 4 delivers a signal to control unit 8 and issues control signal control
Second motor stalls, while control unit 8 controls the energization of electromagnet 15 and generates magnetic force, electromagnet 15 adsorbs normal after being powered
Correspondence magnetic part 16 on visual chart, makes twenty-twenty vision table be sufficiently spread out and fix.
When needing to switch using test chart for children, remote controler 7 is pressed, remote controler 7 issues control signal, receiving unit 9
It receives signal and passes to control unit 8, control unit 8, which controls the power-off of electromagnet 15, makes the no longer absorbing magnetic element of electromagnet 15
16, while control unit 8 controls the rotation of the second motor, so that second driving shaft rotation retracting twenty-twenty vision table is driven, it is normal to regard
Power table touches the travel switch 4 of top of the box when receiving 1 top of cabinet, travel switch 4 delivers a signal to the sending of control unit 8
It controls signal and controls the second motor stalls, first motor starts turning to drive first to pass after the second motor stalls
Test chart for children is put down in moving axis rotation, and the travel switch of the bottom of box is touched when below the test chart for children to 1 bottom of cabinet
4, travel switch 4 delivers a signal to the sending control signal control first motor of control unit 8 and stops operating, while control unit 8
It controls the energization of electromagnet 15 and generates magnetic force, electromagnet 15 adsorbs the correspondence magnetic part 16 on visual chart, makes children's vision after being powered
Table is sufficiently spread out and fixes.Photosensitive sensors 6 can incude 1 extraneous light intensity of cabinet 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 adjust automatically
When saving 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
When, 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,
Control unit 8 controls the luminous intensity of luminescent screen 10 to meet patient requests.
Above description is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
The patent claim of the utility model, the same changes or modifications completed under technical spirit suggested by all the utility model
Change, should belong to the covered the scope of the patents of the utility model.
Claims (5)
1. a kind of two-in-one eyesight test chart lamp box, it is characterised in that: the two-in-one eyesight test chart lamp box includes cabinet, transmission shaft, electricity
Machine, visual chart, travel switch, remote controler, luminescent screen, control unit and receiving unit,
The motor and the transmission shaft are set to above cabinet, and the motor includes first motor and the second motor, the biography
Moving axis includes the first transmission shaft and second driving shaft, and the first motor and described first are driven axis connection, second motor
It is connect with the second driving shaft, first transmission shaft and second driving shaft distinguish circumvolution test chart for children and twenty-twenty vision
Table；
The quantity of the travel switch is two, is respectively arranged on the upper and lower ends of the cabinet, two travel switches with
Described control unit electrical connection；
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
It states in cabinet for controlling the luminous intensity and the first motor of the luminescent screen according to the receiving unit received signal
And second motor forward or reverse, described control unit is also used to receive the signal of travel switch to control first motor and
Two motor stalls；
The cabinet surrounding is made of acrylic board, and light guide plate and reflective sheeting, the visual chart 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；
Several electromagnet are additionally provided on the cabinet, several described electromagnet are electrically connected with control unit respectively, several
Electromagnet interval is set to the cabinet surrounding, and the test chart for children is equipped with twenty-twenty vision table to be made with electromagnet cooperation
Magnetic part, described control unit are also used to control the on-off electricity condition of electromagnet.
2. two-in-one eyesight test chart lamp box according to claim 1, it is characterised in that: be additionally provided with light sensation on the cabinet lateral wall
Corresponding signal for induction-box body extraneous light intensity and is passed to control unit to adjust by sensor, the photosensitive sensors
The luminous intensity of luminescent screen.
3. two-in-one eyesight test chart lamp box according to claim 1, it is characterised in that: the two-in-one eyesight test chart lamp box further includes
Transformer, the transformer are electrically connected with city, provide electric energy with the operation for the two-in-one eyesight test chart lamp box.
4. two-in-one eyesight test chart lamp box according to claim 1, it is characterised in that: be equipped with luminescent device in the luminescent screen.
5. two-in-one eyesight test chart lamp box according to claim 4, it is characterised in that: the luminescent device light emitting diode, institute
Stating luminescent device is several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824290.0U CN208404524U (en) | 2017-07-10 | 2017-07-10 | A kind of two-in-one eyesight test chart lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720824290.0U CN208404524U (en) | 2017-07-10 | 2017-07-10 | A kind of two-in-one eyesight test chart lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208404524U true CN208404524U (en) | 2019-01-22 |
Family
ID=65127697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720824290.0U Active CN208404524U (en) | 2017-07-10 | 2017-07-10 | A kind of two-in-one eyesight test chart lamp box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208404524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236481A (en) * | 2019-07-05 | 2019-09-17 | 青岛大学 | A kind of eyesight verifying attachment |
| US11445905B2 (en) | 2019-07-05 | 2022-09-20 | Qingdao University | Heterogeneous visual acuity chart and visual acuity testing method and device |
-
2017
- 2017-07-10 CN CN201720824290.0U patent/CN208404524U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236481A (en) * | 2019-07-05 | 2019-09-17 | 青岛大学 | A kind of eyesight verifying attachment |
| US11445905B2 (en) | 2019-07-05 | 2022-09-20 | Qingdao University | Heterogeneous visual acuity chart and visual acuity testing method and device |
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