CN203089800U

CN203089800U - Vision care instrument

Info

Publication number: CN203089800U
Application number: CN 201320050566
Authority: CN
Inventors: 吴荣泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-29
Filing date: 2013-01-29
Publication date: 2013-07-31
Anticipated expiration: 2023-01-29
Also published as: WO2014117753A1

Abstract

The utility model discloses a vision care instrument which is composed of a device outer shell, an optical convex lens assembly, a linear cursor set, an annular cursor set and a control unit. The device outer shell is used for separating external light, the linear cursor set can display cursors in a front-back mode, the annular cursor set can display the cursors in a circumferential mode, and the control unit can control cursor movement of the linear cursor set and the annular cursor set. Through utilization of the optical lens principle, a proper convex lens specification and an accurate cursor distance are selected, and within a short distance, an imaging effect from a near position to infinite remote can be displayed. The linear cursor set enables images to change near and far, so that ciliary muscles are exercised through tensioning and relaxing. In addition, the annular cursor set also can guide eye balls to move circumferentially, enables the superior rectus, the inferior rectus, the medial rectus, the lateral rectus, the superior oblique and the inferior oblique to operate coordinately, and enables various kinds of muscles of eyes to be guided and exercised completely. If the image distance is a negative number, the imaging position and the cursors are all arranged at the left position.

Description

A kind of vision care instrument

[technical field]

This utility model relates to a kind of vision care instrument, it is the oculomotor device of a kind of guiding, refer in particular to the utilization optical principle, cooperate cursor position to produce image far and near and up and down, make the eyes muscle group carry out folding and unfolding campaign and coordinated balance device with convex lens.

[background technology]

The muscle group of eyes similarly is that rubber band is the same, and the stimulation of tension-loosen be arranged, and elasticity just can be maintained.If long-time tight or long-time lax, the reason of eye eyesight degeneration just.

When eyes are seen nearby target, need strain ciliary muscle to reach near focal length.Ciliary muscle is in a single day lax to follow the string, and what will become in the time must straining ciliary muscle does not accomplish that has been exactly a presbyopia painstakingly.When eyes are seen distant object, must loosen ciliary muscle and adjust focal length.If ciliary muscle is tightened up for a long time, in the time need loosening ciliary muscle, but do not come, conveniently become myopia.

See and far see nearly training: can carry out the exercise motion that muscle is strained-loosened for making ciliary muscle, and then keep the vigor (can keep vision) of ciliary muscle.

Eyeball circumference training: strengthen the training of extraocular muscles (six flesh), stimulate optic nerve can promote the equilibrium sense of brain.And extraocular muscles (six flesh) group's coordination can make cornea level and smooth, and then improve astigmatic situation.

Look back passing data, nineteen eighty-three US4408846Balliet, the medium people in nineteen ninety CN2060068U season Anhui, people such as CN2289545Y Deng Qi Zhuo in 1998, the high grand equality people of CN2313572Y in 1999, people such as US7393102Horie utilized mechanical wheel shaft in 2008, object were moved forward and backward the spatial impression device that causes the image front and back.Because above creation is heavy, only is fit to be positioned on the table, and is with regard to thing, very inconvenient in the use with the people.

Running before and after two row's cursors about CN2770617Y in 2006 opens and waits the people to utilize again is that longitudinal separation changes, and adds that the both sides electrifying electrodes stimulates near the acupoint eyes.Running before and after two row's cursors about CN201759836U in 2011 opens and waits the people to utilize again changes as longitudinal separation, and adds the both sides air bag, near the acupoint massage head massage eyes.More than creation does not know for the specification of optical glass, only is that cursor is moved forward and backward, and can't accurately create actual required video picture distance veritably, does not also have the function that guiding extraocular muscles (six flesh) is suitably taken exercise.

[utility model content]

The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of and manifest nearby, can guide eyeball to carry out the coordinated operation that up and down circumference moved, provided six fleshes, make the various muscle of eyes obtain the vision care instrument of property boot activity more comprehensively to the infinite distance imaging results.

This utility model is for solving the problems of the technologies described above, by the following technical solutions:

A kind of vision care instrument, it is characterized in that comprising by the device housings of isolated extraneous light, optical male lens subassembly, can before and after display highlighting straight line cursor group, can encircle the annular cursor group of all display highlightings and control the control unit that the cursor of described straight line cursor group and annular cursor group moves and formed.

Optical male lens subassembly in this utility model is relative with eyes to should be two, and described optical male lens subassembly is formed by connecing order pad and at least one convex lens sheet.

The focal length of the convex lens sheet in this utility model is 1～30cm.

The focal length of the convex lens sheet in this utility model is 5～20cm.

Straight line cursor group in this utility model comprises the inclination substrate of being located at room in the device housings, the cursor lamp that plural number interval and linear array are arranged on the substrate, the video picture of described straight line cursor group distance be 1cm to unlimited distance, the cursor lamp of described straight line cursor group dodges in regular turn to go out by distance and causes the cursor displacement.

Annular cursor group in this utility model comprises the annular base plate of being located at the device housings inboard, the cursor lamp that the plural number interval is arranged on the substrate and distribute ringwise, the video picture image distance of described annular cursor group be 1cm to infinity, the cursor lamp of described annular cursor group is by clockwise or counterclockwise dodge in regular turn to go out and cause the cursor displacement.

Control unit is located at this device housings in of the present utility model, and be electrically connected straight line cursor group and annular cursor group, and control cursor lamp dodges and goes out that to cause cursor displacement, the light of cursor lamp promptly be cursor.

This utility model compared with prior art has following advantage:

The optical lens principle is goed deep in this creation, selects correct convex lens specification and cursor distance accurately for use, shortens device length, can manifest the imaging results that arrives infinite distance nearby in less than 30 centimeters distance.This creation straight line cursor group provides the variation of video picture distance, the exercise that ciliary muscle is reached strain-loosen; In addition, the circumference that annular cursor group can also guide eyeball to carry out up and down moves, and the coordinated operation of six fleshes (upper and lower rectus, inside and outside rectus and upper and lower oblique) is provided, and makes the various muscle of eyes obtain property guiding more comprehensively with movable.

Often use this utility model to carry out eye health protection, can improve myopia and scattered-light problem.

[description of drawings]

Fig. 1 is this utility model master TV structure sketch map;

Fig. 2 is a plan structure perspective diagram of the present utility model;

Fig. 3 is a left TV structure perspective diagram of the present utility model;

Fig. 4 is that the A-A of Fig. 2 is to cutaway view;

Fig. 5 is the sketch map of optics video picture formula;

Fig. 6 is the position view of straight line cursor group 11a, convex lens and eyes;

Fig. 7 is an annular cursor group 11b sketch map of the present utility model.

[specific embodiment]

Below in conjunction with accompanying drawing this utility model is described in detail:

Shown in Fig. 1-4, a kind of vision care instrument, comprise by the device housings 10a of isolated extraneous light, optical male lens subassembly 12, can before and after display highlighting straight line cursor group 11a, can encircle the annular cursor group 11b of all display highlightings and control the control unit that the cursor of described straight line cursor group 11a and annular cursor group 11b moves and formed.This optical lens module 12 is relative with eyes to should be two, and each optical male lens subassembly 12 is formed by meeting order pad 12a and at least one convex lens sheet 12b, and a plurality of eyeglass 12b form the convex lens group.Straight line cursor group 11a and annular cursor group 11b and optical lens module 12 are corresponding also to be two.

The focal length of convex lens sheet or mirror group is 1～30cm in this utility model, and pinpointed focus is 5～20cm.

Utilization optics video picture formula (lens formula):

Object distance inverse (1/u) add image distance inverse (1/v) for focal length reciprocal (1/f controls the video picture distance accurately, as shown in Figure 5, optical video picture formula (lens formula) is carried out the noun explanation:

1. main shaft: the straight line by two sphere centre ofs sphere of convex lens C1, C2 is called for short main shaft the primary optical axis of convex lens.

2. photocentre: the center O point of convex lens is the photocentre of lens.

3. focus: the light that is parallel to main shaft is through convex lens post-concentration 1 F on primary optical axis, and this point is the focus of convex lens.

4. focal length: focal point F, is represented with f focal length to the distance of convex lens photocentre O.

5. object distance: object claims object distance to the distance of convex lens photocentre, represents with u.

6. image distance: object planoconvex lens imaging claims image distance to the distance of convex lens photocentre, represents with v.

7.A1 be cursor position (on object distance u).

8.A2 be video picture position (on image distance v).

This utility model cathetus cursor group 11a comprises the inclination substrate of being located at room in the device housings 10a, the cursor lamp that plural number interval and linear array are arranged on the substrate, the video picture distance of straight line cursor group 11a is that 1cm is to unlimited distance, the cursor lamp of straight line cursor group 11a dodges in regular turn to go out by distance and causes the cursor displacement, and the gradient of substrate is seeing that all cursor lamps are advisable from optical lens module 12; Annular cursor group 11b comprises the annular base plate of being located at device housings 10a inboard, the cursor lamp that the plural number interval is arranged on the substrate and distribute ringwise, the video picture image distance of annular cursor group 11b be 1cm to infinity, the cursor lamp of described annular cursor group 11b is by clockwise or counterclockwise dodge in regular turn to go out and cause the cursor displacement.

Embodiment 1-1, this utility model utilizes optical principle as shown in Figure 5, is that 10 centimeters convex lens is an example with focal length, and moves forward and backward straight line cursor group 11a as shown in Figure 6, when straight line cursor group 11a (object distance u) is positioned at 10 centimeters, can manifest the video picture image distance of infinity; As straight line cursor group 11a (object distance u) when being positioned at 6.67cm, can manifest 20.03cm video picture image distance far away.To move forward and backward distance little because of straight line cursor group 11a (object distance u), can manifest 20cm to the infinity image distance, reaches eyes to be seen far see near effect, and be easy to wear on head.Concrete implementation data sees Table 1.

Table 1:

Focal length of convex lens (cm)	Object distance (cm)	Image distance (cm)
			10	6.67	-20.03
10	9.99	-9990
			10	10	Unlimited distance

At Fig. 5, be initial point with the convex lens photocentre, when eyes are positioned at right-handly, when cursor is positioned at left (that is: object distance is a positive number), if image distance is negative, then video picture position and cursor all are positioned at left.

Embodiment 1-2, this utility model utilizes optical principle as shown in Figure 5, and the convex lens that with the focal length is 20cm is an example, and moves forward and backward straight line cursor group 11a as shown in Figure 6, as straight line cursor group 11a (object distance u) when being positioned at 20cm, can manifest the video picture image distance of infinity; As straight line cursor group 11a (object distance u) when being positioned at 10cm, can manifest 20cm video picture image distance far away.Because it is little that straight line cursor group 11a (object distance u) moves forward and backward distance, reach and eyes are seen far see near effect, and be easy to wear on head.Concrete implementation data sees Table 2.

Table 2:

Focal length of convex lens (cm)	Object distance (cm)	Image distance (cm)
			20	10	-20
20	19.99	-39980
			20	20	Unlimited distance

Embodiment 1-3, this utility model utilize optical principle as shown in Figure 5, and the convex lens that with the focal length is 5cm is an example, and move forward and backward straight line cursor group 11a as shown in Figure 6, as straight line cursor group 11a (object distance) when being positioned at 5cm, can manifest the video picture image distance of infinity; As straight line cursor group 11a (object distance) when being positioned at 4cm, can manifest 20cm video picture image distance far away.Because it is little that straight line cursor group 11a (object distance) moves forward and backward distance, reach and eyes are seen far see near effect, and be easy to wear on head.Concrete implementation data sees Table 3.

Table 3:

Focal length of convex lens (cm)	Object distance (cm)	Image distance (cm)
			5	4	-20
5	4.99	-2495
			5	5	Unlimited distance

Embodiment 2, and this utility model utilizes optical principle as shown in Figure 5, and the convex lens that with the focal length is 10cm is an example.Will be apart from the lens barrel inside of convex lens central point 9.99cm distance, arrange cursor up and down around it, form annular cursor group 11b, as shown in Figure 7.The video picture image distance that can manifest the place ahead 9990cm.When the cursor of annular cursor group 11b goes out to dodge clockwise, the guiding eyeball moves according to its orientation.Eyeball is watched cursor attentively, and eyeball can carry out coordination exercise up and down, so that the train on of six flesh muscle groups to be provided.Concrete implementation data sees Table 4.

Table 4:

Claims

1. vision care instrument, it is characterized in that comprising by the device housings (10a) of isolated extraneous light, optical male lens subassembly (12), can before and after display highlighting straight line cursor group (11a), can encircle the annular cursor group (11b) of all display highlightings and control described straight line cursor group (11a) and control unit that the cursor of annular cursor group (11b) moves is formed.

2. a kind of vision care instrument as claimed in claim 1, it is characterized in that described optical male lens subassembly (12) is relative with eyes should be two, and described optical male lens subassembly (12) is by connecing order pad (12a) and at least one convex lens sheet (12b) is formed.

3. a kind of vision care instrument as claimed in claim 2, the focal length that it is characterized in that described convex lens sheet (12b) is 1～30cm.

4. a kind of vision care instrument as claimed in claim 3, the focal length that it is characterized in that described convex lens sheet (12b) is 5～20cm.

5. a kind of vision care instrument as claimed in claim 4, it is characterized in that described straight line cursor group (11a) comprises the inclination substrate of being located at the interior room of device housings (10a), the cursor lamp that plural number interval and linear array are arranged on the substrate, the video picture of described straight line cursor group (11a) distance be 1cm to unlimited distance, the cursor lamp of described straight line cursor group (11a) dodges in regular turn to go out by distance and causes the cursor displacement.

6. as each described a kind of vision care instrument of claim 1-5, it is characterized in that described annular cursor group (11b) comprises the annular base plate of being located at device housings (10a) inboard, the cursor lamp that the plural number interval is arranged on the substrate and distribute ringwise, the video picture image distance of described annular cursor group (11b) be 1cm to infinity, the cursor lamp of described annular cursor group (11b) is by clockwise or counterclockwise dodge in regular turn to go out and cause the cursor displacement.