CN107307843A - 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
- CN107307843A CN107307843A CN201710554793.5A CN201710554793A CN107307843A CN 107307843 A CN107307843 A CN 107307843A CN 201710554793 A CN201710554793 A CN 201710554793A CN 107307843 A CN107307843 A CN 107307843A
- Authority
- CN
- China
- Prior art keywords
- casing
- motor
- control unit
- test chart
- lamp box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/06—Accessories for medical measuring apparatus
Abstract
The present invention relates to medical instruments field, more particularly, to a kind of two-in-one eyesight test chart lamp box, including casing, power transmission shaft, motor, visual chart, travel switch, remote control, luminescent screen, control unit and receiving unit, the motor is connected with power transmission shaft above casing, and the visual chart is wrapped on power transmission shaft；The travel switch is electrically connected with control unit；The receiving unit is used to receive the signal that remote control is sent, described control unit control luminescent screen and motor.Light guide plate and reflective sheeting are additionally provided with the casing, the visual chart is located in the front panel of light guide plate and casing, and the luminescent screen is located in light guide plate and reflective sheeting；The casing is additionally provided with electromagnet, and the electromagnet is electrically connected with control unit, and the visual chart is provided with the magnetic part used cooperatively with electromagnet.The present invention realizes switching to different visual charts by remote control control power transmission shaft, and can adjust lamp box luminous intensity and meet patient demand, improves the eye test degree of accuracy.
Description
【Technical field】
The present invention relates to medical instruments field, more particularly, to a kind of two-in-one eyesight test chart lamp box.
【Background technology】
Regular eyesight detection is the most important and maximally efficient means of phase early detection eye diseases in children, because 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 be less susceptible to find during monocular vision decline, therefore it is early detection, early treatment and prevention children with ocular to inspect periodically eyesight
The generation of disease and development be most simple and easily method.Among paediatrics, young children carry out usual during eye test
Need to use test chart for children, often test chart for children and twenty-twenty vision are loaded onto respectively in lamp box front and rear sides in real work
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 requirement has space wide enough, while in-convenience in use.Because the eyes of children are widely different to the resolution of light,
The brightness of current lamp box can not be adjusted, and cause the eyesight measured often to have error with actual conditions.
【The content of the invention】
In view of the foregoing, it is necessary to provide a kind of two-in-one eyesight test chart lamp box, the two-in-one eyesight test chart lamp box can make
Obtain tester and testee 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 accurately testing result.
To achieve the above object, the technical solution adopted by the present invention is：The two-in-one eyesight test chart lamp box includes casing, passed
Moving axis, motor, visual chart, travel switch, remote control, luminescent screen, control unit and receiving unit,
The motor is with the power transmission shaft above casing, and the motor includes the first motor and the second motor, institute
Stating power transmission shaft includes the first power transmission shaft and second driving shaft, and first motor is connected with first power transmission shaft, and described second
Motor is connected with the second driving shaft, and first power transmission shaft distinguishes circumvolution test chart for children with normally regarding with second driving shaft
Power table；
The quantity of the travel switch is two, is respectively arranged on the upper and lower ends of the casing, two travel switches
Electrically connected with described control unit；
The receiving unit is used to receive the signal that the remote control is sent in the casing, and described control unit is set
The luminous intensity and described first of the luminescent screen is controlled in the signal for being used to receive according to the receiving unit in the casing
The forward or reverse of motor and the second motor, described control unit is additionally operable to receive the signal of travel switch to control the first motor
And second motor stalls；
The casing surrounding is made up of acrylic board, and light guide plate and reflective sheeting, the visual chart are additionally provided with the casing
Between the front panel for being located in the light guide plate and the casing, the luminescent screen is located in the light guide plate and the reflective sheeting
Between；
Several electromagnet are additionally provided with the casing, several described electromagnet are electrically connected with control unit respectively, if
Dry electromagnet interval is located at the casing surrounding, and the test chart for children is equipped with twenty-twenty vision table matches somebody with somebody with the electromagnet
The magnetic part used is closed, described control unit is additionally operable to control the break-make electricity condition of electromagnet.
Further, photosensitive sensors are additionally provided with the casing lateral wall, the photosensitive sensors are used to sense casing
Corresponding signal simultaneously is 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 also includes transformer, and the transformer is electrically connected with city, thinks institute
The operation for stating two-in-one eyesight test chart lamp box provides electric energy.
Further, luminescent device is provided with the luminescent screen.
Further, the luminescent device is light emitting diode, and the luminescent device is several.
Due to using above-mentioned technical proposal, the invention has the advantages that：The two-in-one eyesight test chart lamp box of the present invention will
Visual chart is wrapped on power transmission shaft, and visual chart can be rolled or deployed by drive axis, and two power transmission shafts distinguish circumvolution children
Visual chart and twenty-twenty vision table, only need to control drive axis to show desired visual chart so that patient is sitting in a position
Put and two different visual charts can be used to be tested eyesight.And band is rotated and reverse by the controllable motor of remote control
Visual chart is rolled or deployed by dynamic drive axis, realization, greatly facilitates medical personnel.The present invention also can control luminescent screen
Luminous intensity meet demand of the different patients to lamplight brightness.
【Brief description of the drawings】
Fig. 1 is the structural representation of two-in-one eyesight test chart lamp box of the invention.
Fig. 2 is the front view of two-in-one eyesight test chart lamp box of the invention.
Fig. 3 is the sectional view of casing in two-in-one eyesight test chart lamp box of the invention.
In accompanying drawing：1- casings；2- power transmission shafts；3- motors；4- travel switches；5- visual charts；6- photosensitive sensors；7- remote controls
Device；8- control units；9- receiving units；10- luminescent screens；101- luminescent devices；12- light guide plates；13- reflective sheetings；15- electromagnetism
Iron；16- magnetic parts.
【Embodiment】
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or can also have component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Refer to accompanying drawing, a kind of two-in-one eyesight test chart lamp box, including casing 1, power transmission shaft 2, motor 3, visual chart 5, stroke
Switch 4, remote control 7, luminescent screen 10, control unit 8 and receiving unit 9, motor 3 is with power transmission shaft 2 located at the top of casing 1, electricity
Machine 3 includes the first motor (not indicating) and the second motor (not indicating), and power transmission shaft 2 includes the first power transmission shaft (not indicating) and second
Power transmission shaft (is not indicated), and the first motor is connected with the first power transmission shaft, and the second motor is connected with second driving shaft, the first power transmission shaft volume
Twine test chart for children, second driving shaft circumvolution twenty-twenty vision table.The quantity of travel switch 4 is two, is respectively arranged on casing about 1
Two ends, two travel switches 4 are electrically connected with control unit 8.
Receiving unit 9 is used to receive the signal that remote control 7 is sent, and control unit 8 is used for the letter received according to receiving unit 9
Number control luminescent screen 10 luminous intensity and the first motor and the second motor forward or reverse, control unit 8 be additionally operable to receive
The signal of travel switch 4 is to control the first motor and the second motor stalls.
The surrounding of casing 1 is made up of acrylic board, and light guide plate 12 and reflective sheeting 13 are additionally provided with casing 1, and visual chart 5 is located in
Between the front panel of light guide plate 12 and casing 1, luminescent screen 10 is located between light guide plate 12 and reflective sheeting 13.Light guide plate 12 and anti-
Machine-glazed paper 13 can improve the service efficiency of light.
Some electromagnet 15 are additionally provided with casing 1, several electromagnet 15 interval located at casing 1 surrounding, and respectively with
Control unit 8 is electrically connected, in the present embodiment, and electromagnet 15 is four, and two of which is located at the bottom of casing 1, and another two is located at case
1 liang of side of body, test chart for children is equipped with the magnetic part 16 used cooperatively with electromagnet 15 with twenty-twenty vision table；Control unit 9
It is additionally operable to whether control electromagnet 15 is powered, adsorbable magnetic part 16 after electromagnet 15 is powered.
Further, photosensitive sensors 6 are additionally provided with the lateral wall of casing 1, photosensitive sensors 6 are used to sense outside casing 1
Corresponding signal simultaneously is passed to control unit 8 to adjust the luminous intensity of luminescent screen 10 by light intensity.The controllable control of remote control 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 change and
Change.Two-in-one eyesight test chart lamp box also includes transformer, and transformer is electrically connected with city, thinks the operation of two-in-one eyesight test chart lamp box
Electric energy is provided.Luminescent screen 10 is provided with luminescent device 101, in the present embodiment, and luminescent device 101 is light emitting diode.Two close
One eyesight test chart lamp box can also include support feet, for supporting two-in-one eyesight test chart lamp box.
Application method of the present invention is briefly described below, when patient needs to test eyesight, patient is sitting in two-in-one visual chart
In front of lamp box, tested eyesight, when needing first to carry out twenty-twenty vision detection, pressed distant using visual chart according to actual needs
Device 7 is controlled, remote control 7 sends control signal, and receiving unit 9 receives signal and passes to control unit 8, and control unit 8 is controlled
Second motor is rotated, so that driving second driving shaft to rotate puts down twenty-twenty vision table, the bottom of casing 1 is arrived below twenty-twenty vision table
When touch the travel switch 4 of bottom half, travel switch 4 delivers a signal to control unit 8 and sends control signal control second
Motor stalls, while the control electromagnet 15 of control unit 8 is powered and produces magnetic force, electromagnet 15 adsorbs twenty-twenty vision after being powered
Corresponding magnetic part 16 on table, makes twenty-twenty vision table be sufficiently spread out and fixed.
When needing to switch using test chart for children, remote control 7 is pressed, remote control 7 sends control signal, receiving unit 9
Receive signal and pass to control unit 8, the control power-off of electromagnet 15 of control unit 8 makes the no longer absorbing magnetic element of electromagnet 15
16, while control unit 8 controls the second motor to rotate, so as to drive second driving shaft to rotate retracting twenty-twenty vision table, normally regard
Power table touches the travel switch 4 of casing top when receiving 1 top of casing, travel switch 4 delivers a signal to control unit 8 and sent
Control signal controls the first motor after the second motor stalls, the second motor stalls to start to rotate to drive the first biography
Moving axis is rotated and puts down test chart for children, and the travel switch of bottom half is touched when below test chart for children to 1 bottom of casing
4, travel switch 4 delivers a signal to control unit 8 and sends control signal the first motor stalls of control, while control unit 8
Control electromagnet 15 to be powered and produce magnetic force, the corresponding magnetic part 16 after electromagnet 15 is powered on absorption visual chart makes children's vision
Table is sufficiently spread out and fixed.Photosensitive sensors 6 can sense the extraneous light intensity of casing 1 and corresponding signal is passed into control unit
8, to adjust the luminous intensity of luminescent screen 10, realize automatically according to the brightness of ambient light intensity adjustment casing 1.When need not adjust automatically
When saving the luminous intensity of luminescent screen 10, the function can be closed by remote control.When needing regulation luminous intensity to adapt to different patients
When, control light is sent by remote control 7 and becomes strong or attenuated signal, receiving unit 9 receives signal and passes to control unit 8,
Control unit 8 controls the luminous intensity of luminescent screen 10 to meet patient requests.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
The equal change or modification change completed under bright patent claim, the technical spirit suggested by all present invention, all should belong to
Cover the scope of the claims in the present invention.
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 casing, power transmission shaft, electricity
Machine, visual chart, travel switch, remote control, luminescent screen, control unit and receiving unit,
The motor is with the power transmission shaft above casing, and the motor includes the first motor and the second motor, the biography
Moving axis includes the first power transmission shaft and second driving shaft, and first motor is connected with first power transmission shaft, second motor
It is connected with the second driving shaft, first power transmission shaft distinguishes circumvolution test chart for children and twenty-twenty vision with second driving shaft
Table；
The quantity of the travel switch is two, is respectively arranged on the upper and lower ends of the casing, two travel switches with
Described control unit is electrically connected；
The receiving unit is used to receive the signal that the remote control is sent in the casing, and described control unit is located at institute
Stating is used for receiving according to receiving unit signal in casing controls the luminous intensity and first motor of the luminescent screen
And second motor forward or reverse, described control unit is additionally operable to receive the signal of travel switch to control the first motor and
Two motor stalls；
The casing surrounding is made up of acrylic board, and light guide plate and reflective sheeting, the visual chart sandwiched are additionally provided with the casing
Between the front panel of the light guide plate and the casing, the luminescent screen be located in the light guide plate and the reflective sheeting it
Between；
Several electromagnet are additionally provided with the casing, several described electromagnet are electrically connected with control unit respectively, several
Electromagnet interval is located at the casing surrounding, and the test chart for children is equipped with to coordinate with the electromagnet with twenty-twenty vision table to be made
Magnetic part, described control unit is additionally operable to control the break-make electricity condition of electromagnet.
2. two-in-one eyesight test chart lamp box according to claim 1, it is characterised in that:Light sensation is additionally provided with the casing lateral wall
Sensor, the photosensitive sensors are used for induction-box body extraneous light intensity and pass to control unit to adjust by corresponding signal
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 also includes
Transformer, the transformer is electrically connected with city, and electric energy is provided 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:Luminescent device is provided with the luminescent screen.
5. two-in-one eyesight test chart lamp box according to claim 4, it is characterised in that:The luminescent device is light emitting diode,
The luminescent device is several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554793.5A CN107307843A (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 |
|---|---|---|---|
| CN201710554793.5A CN107307843A (en) | 2017-07-10 | 2017-07-10 | A kind of two-in-one eyesight test chart lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107307843A true CN107307843A (en) | 2017-11-03 |
Family
ID=60177484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710554793.5A Withdrawn CN107307843A (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) | CN107307843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770843A (en) * | 2018-12-11 | 2019-05-21 | 武汉科技大学 | Vision monitoring device |
| CN113499031A (en) * | 2021-07-09 | 2021-10-15 | 苏州菁眸医药科技有限公司 | Multi-mode-changing visual chart |
-
2017
- 2017-07-10 CN CN201710554793.5A patent/CN107307843A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770843A (en) * | 2018-12-11 | 2019-05-21 | 武汉科技大学 | Vision monitoring device |
| CN113499031A (en) * | 2021-07-09 | 2021-10-15 | 苏州菁眸医药科技有限公司 | Multi-mode-changing visual chart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |