CN208851457U - A kind of Multifunctional liquid crystal visual chart - Google Patents
A kind of Multifunctional liquid crystal visual chart Download PDFInfo
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- CN208851457U CN208851457U CN201820671652.1U CN201820671652U CN208851457U CN 208851457 U CN208851457 U CN 208851457U CN 201820671652 U CN201820671652 U CN 201820671652U CN 208851457 U CN208851457 U CN 208851457U
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Abstract
The utility model discloses a kind of Multifunctional liquid crystal visual charts, it is made of liquid crystal display and remote controler, the liquid crystal display is equipped with LED display and appliance case, the side of the liquid crystal display is equipped with signal receiver, infrared receiver equipment is equipped with inside the signal receiver, it is equipped with fixing buckle outside the appliance case, is equipped with mainboard, power panel and constant current plate inside the appliance case；The mainboard is connect with power panel, constant current plate and infrared receiver equipment respectively by integrated line, and the power panel is connect by power supply line with external plug, and the constant current plate is connect by integrated line with LED display；Battery installing port and function button are equipped with outside the remote controler.This liquid crystal visual chart can replace multiple lamp boxes by a visual chart, saves space and cost improves aesthetics simultaneously, this eyesight table function is more, the scalable same icon of word mark, adjustable brightness, contrast etc. can greatly improve the service life using LED display.
Description
Technical field
The utility model relates to eyesight detection device technical field, specially a kind of Multifunctional liquid crystal visual chart.
Background technique
Visual chart is the chart for measuring eyesight.Functionally dividing has near vision test type, distant vision test chart.Visual chart is basis
What the principle at visual angle was formulated.So-called visual angle is exactly the light issued by extraneous two o'clock, is formed by angle through intraocular node and (is exactly
Alliance's angle is drawn into two fixed fires of external object when entering intraocular intersection).Under normal circumstances, human eye can tell the minimum of point-to-point transmission
It is minimal visual angle, i.e. one point of visual angle that distance, which is formed by visual angle,.Visual chart is exactly to be designed as unit of one point of visual angle effectively
Visual chart gives a test of one's eyesight.
Used at present is eyesight test chart lamp box, and word mark is single, if to show a variety of word marks, needs to buy multiple lamps
Case, takes up a large area in this way and cost is relatively high, and current visual chart does not have other functions, while lamp box in addition to one word mark
The visual chart service life of formula is short, in the past be LCD lamp, be easy aging, the service life do not grow.To solve the above-mentioned problems, therefore,
We have proposed a kind of Multifunctional liquid crystal visual charts.
Utility model content
The purpose of this utility model is to provide a kind of Multifunctional liquid crystal visual charts, solve proposed in background technique
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of Multifunctional liquid crystal visual chart, by liquid crystal
Display and remote controler are constituted, and the liquid crystal display is equipped with LED display and appliance case, the side of the liquid crystal display
Equipped with signal receiver, it is equipped with infrared receiver equipment inside the signal receiver, is equipped with fixing buckle outside the appliance case,
Mainboard, power panel and constant current plate are equipped with inside the appliance case；The mainboard by integrated line respectively with power panel, constant current plate and
The connection of infrared receiver equipment, the power panel connects by power supply line with external plug, the constant current plate by integrate line and
LED display connection；It is equipped with battery installing port and function button outside the remote controler, is equipped with infrared ray inside the remote controler
The projector and battery case, the infrared ray projector remotely incudes with infrared receiver equipment to be connect.
As a kind of preferred embodiment of the utility model, the mainboard is made of multifunctional unit chip, the master
Plate includes central processing module, data storage module and signal receiving module.
As a kind of preferred embodiment of the utility model, the data storage module is equipped with the indicating of E word, C word shows
Mark, alphabetical indicating, digital indicating, children's indicating, astigmatism disk, tetra- braille mark of WORTH, honeycomb indicating, the ring-like indicating of cross, cross
Indicating, the indicating of cross-bar grid, red green indicating, point indicating, grid indicating, colour blindness indicating, eyesight sensitivity test indicating, polarization eyes
Balance indicating, polarized stereoscopic indicating.
As a kind of preferred embodiment of the utility model, the fixing buckle on the appliance case sets there are four and distinguishes position
In on the quadripolar corners of appliance case, the fixing buckle is equipped with fixing threaded hole.
As a kind of preferred embodiment of the utility model, by power delivery inside the integrated line of the mainboard connection
Line, transmission line of information and information receive line and constitute.
Compared with prior art, the beneficial effects of the utility model are as follows:
1. liquid crystal visual chart, can do a variety of word marks and icon gathers together, a visual chart can replace multiple
Lamp box, and space is saved, it is more both artistic and practical, greatly save cost.
2. powerful, list is there are many word mark and there are many icons for this visual chart, can upgrade the same icon of word mark, can
To adjust brightness, contrast etc..
3. liquid crystal visual chart uses LED display, the service life can be greatly improved.
Detailed description of the invention
Fig. 1 is a kind of Multifunctional liquid crystal visual chart overall appearance structural representation of the utility model；
Fig. 2 is a kind of Multifunctional liquid crystal visual chart remote controller structure schematic diagram of the utility model；
Fig. 3 is a kind of Multifunctional liquid crystal visual chart appliance case schematic diagram of internal structure of the utility model；
Fig. 4 is a kind of Multifunctional liquid crystal visual chart signal receiver structural schematic diagram of the utility model.
In figure: 1- liquid crystal display, 2- remote controler, 3-LED display screen, 4- signal receiver, 5- appliance case, 6- mainboard,
7- power panel, 8- constant current plate, 9- fixing buckle, 10- infrared receiver equipment, 11- battery installing port, 12- function button.
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.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of Multifunctional liquid crystal visual chart, by liquid crystal
Show that device 1 and remote controler 2 are constituted, the liquid crystal display 1 is equipped with LED display 3 and appliance case 5, the liquid crystal display 1
Side is equipped with signal receiver 4, and infrared receiver equipment 10 is equipped with inside the signal receiver 4, is set outside the appliance case 5
There is fixing buckle 9, is equipped with mainboard 6, power panel 7 and constant current plate 8 inside the appliance case 5；The mainboard 6 by integrated line respectively with
Power panel 7, constant current plate 8 and infrared receiver equipment 10 connect, and the power panel 7 is connect by power supply line with external plug, institute
It states constant current plate 8 and is connect by integrated line with LED display 3；Battery installing port 11 and function button are equipped with outside the remote controler 2
12, the infrared ray projector and battery case, the infrared ray projector and infrared receiver equipment 10 are equipped with inside the remote controler 2
Long-range induction connection.
Referring to Fig. 3, a kind of preferred embodiment as the utility model, the mainboard 6 is by multifunctional unit chip
It constitutes, the mainboard 6 includes central processing module, data storage module and signal receiving module.Multiple intellectualized modules add
Add, the switching of different eyesight detection patterns can be realized by remote controler, embodies the intelligence of visual chart, is enhanced practical
Property.
Referring to Fig. 3, a kind of preferred embodiment as the utility model, the data storage module is equipped with E word
Indicating, the indicating of C word, alphabetical indicating, digital indicating, children's indicating, astigmatism disk, tetra- braille mark of WORTH, honeycomb indicating, partition ring
Type indicating, cross indicating, the indicating of cross-bar grid, red green indicating, point indicating, grid indicating, colour blindness indicating, the test of eyesight sensitivity are shown
Mark, polarization binocular balance indicating, polarized stereoscopic indicating.Multiple indicating together as one greatly promote efficiency, easy to use, saving
Space reduces cost.
Referring to Fig. 3, a kind of preferred embodiment as the utility model, the fixing buckle 9 on the appliance case 5 is equipped with
It four and is located on the quadripolar corners of appliance case 5, the fixing buckle 9 is equipped with fixing threaded hole.By multiple fixing buckles, to view
The fixed guarantee provided of power table, facilitates the adjustment to visual chart height and angle.
Referring to Fig. 3, a kind of preferred embodiment as the utility model, inside the integrated line that the mainboard 6 connects
Line is received by power transmission line, transmission line of information and information to constitute.By integrating the connection of line, simplify answering for monomer connection
Polygamy facilitates detection and maintenance.
A kind of Multifunctional liquid crystal visual chart described in the utility model passes through remote controler 2 when using the liquid crystal visual chart
On function button 12 by execute signal be transmitted to the infrared ray projector, be transmitted in signal receiver 4 by the infrared ray projector
Infrared receiver equipment 10 on, signal source is transmitted on mainboard 6 by infrared receiver equipment 10, mainboard 6 can will be opposite
The word table or icon answered are presented on LED display 3, while the brightness of LED display 3 can be also adjusted according to signal.
The liquid crystal display 1 of the utility model, remote controler 2, LED display 3, signal receiver 4, appliance case 5, mainboard 6,
Power panel 7, constant current plate 8, fixing buckle 9, infrared receiver equipment 10, battery installing port 11, function button 12, component are general
Standard component or component as known to those skilled in the art, structure and principle are all that this technology personnel can be obtained by technical manual
Know or known by routine experiment method, the utility model solves the problems, such as to be used at present to be eyesight test chart lamp box, word mark list
One, if to show a variety of word marks, need to buy multiple lamp boxes, takes up a large area in this way and cost is relatively high, current
Visual chart does not have other functions in addition to one word mark, while the visual chart service life of lamp box type is short, in the past be LCD lamp,
It is easy aging, the service life is not grown.The utility model can do a variety of word marks and icon gathers together, and a visual chart can replace
Multiple lamp boxes, and space is saved, it is more both artistic and practical, cost is greatlyd save, powerful, this visual chart is not single, and there are many words
It marks and there are many icon, the same icon of word mark can be upgraded, adjustable brightness, contrast etc., this liquid crystal visual chart is using LED
Display screen can greatly improve the service life.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Multifunctional liquid crystal visual chart is made of, it is characterised in that: the liquid crystal liquid crystal display (1) and remote controler (2)
Display (1) is equipped with LED display (3) and appliance case (5), and the side of the liquid crystal display (1) is equipped with signal receiver
(4), infrared receiver equipment (10) are equipped with inside the signal receiver (4), fixing buckle is equipped with outside the appliance case (5)
(9), mainboard (6), power panel (7) and constant current plate (8) are equipped with inside the appliance case (5)；
The mainboard (6) is connect with power panel (7), constant current plate (8) and infrared receiver equipment (10) respectively by integrated line, institute
It states power panel (7) to connect by power supply line with external plug, the constant current plate (8) is connected by integrated line and LED display (3)
It connects；
It is equipped with battery installing port (11) and function button (12) outside the remote controler (2), is equipped with inside the remote controler (2) red
The outside line projector and battery case, remotely induction connects for the infrared ray projector and infrared receiver equipment (10).
2. a kind of Multifunctional liquid crystal visual chart according to claim 1, it is characterised in that: the mainboard (6) is by multi-functional
Integrated chip is constituted, and the mainboard (6) includes central processing module, data storage module and signal receiving module.
3. a kind of Multifunctional liquid crystal visual chart according to claim 2, it is characterised in that: it is set on the data storage module
There are the indicating of E word, the indicating of C word, alphabetical indicating, digital indicating, children's indicating, astigmatism disk, tetra- braille mark of WORTH, honeycomb indicating, ten
The ring-like indicating of word, cross indicating, the indicating of cross-bar grid, red green indicating, point indicating, grid indicating, colour blindness indicating, eyesight sensitivity are surveyed
Try indicating, polarization binocular balance indicating, polarized stereoscopic indicating.
4. a kind of Multifunctional liquid crystal visual chart according to claim 1, it is characterised in that: consolidating on the appliance case (5)
Fixed button (9) sets there are four and is located on the quadripolar corners of appliance case (5), and the fixing buckle (9) is equipped with fixing threaded hole.
5. a kind of Multifunctional liquid crystal visual chart according to claim 1, it is characterised in that: the collection of mainboard (6) connection
It is constituted at line is received by power transmission line, transmission line of information and information inside line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671652.1U CN208851457U (en) | 2018-05-07 | 2018-05-07 | A kind of Multifunctional liquid crystal visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820671652.1U CN208851457U (en) | 2018-05-07 | 2018-05-07 | A kind of Multifunctional liquid crystal visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208851457U true CN208851457U (en) | 2019-05-14 |
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ID=66410904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820671652.1U Active CN208851457U (en) | 2018-05-07 | 2018-05-07 | A kind of Multifunctional liquid crystal visual chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208851457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967868A (en) * | 2019-11-29 | 2020-04-07 | 纳晶科技股份有限公司 | Liquid crystal display terminal and eyesight test method |
| CN110974146A (en) * | 2019-12-28 | 2020-04-10 | 山东第一医科大学(山东省医学科学院) | Intelligent adjustable multifunctional Chinese character visual chart |
-
2018
- 2018-05-07 CN CN201820671652.1U patent/CN208851457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967868A (en) * | 2019-11-29 | 2020-04-07 | 纳晶科技股份有限公司 | Liquid crystal display terminal and eyesight test method |
| CN110974146A (en) * | 2019-12-28 | 2020-04-10 | 山东第一医科大学(山东省医学科学院) | Intelligent adjustable multifunctional Chinese character visual chart |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 510000 unit B, second floor, No. 36, Xinhe North Road, Yongning Street, Zengcheng District, Guangzhou, Guangdong Province Patentee after: GUANGZHOU YISHIYOU TECHNOLOGY CO.,LTD. Address before: 510000 Room 201, second floor, No. 2, industrial Third Road, Zhicun, Dashi street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU YISHIYOU TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder |