CN211674172U

CN211674172U - Visual sensitivity tester

Info

Publication number: CN211674172U
Application number: CN201922294358.0U
Authority: CN
Inventors: 黄振; 倪出尘
Original assignee: Chinese Translated Language Interpretation Technology Qingdao Co ltd
Current assignee: Chinese Translation Entertainment Technology Qingdao Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-16
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a visual sensitivity tester, which comprises a bod, the organism is fixed in on the support plate, organism one side is equipped with display device, and the opposite side is equipped with the test port, be equipped with the light screen on the test port, the light screen comprises fixed plate and window shade, the window shade gomphosis is on the fixed plate, the fixed plate passes through the screw fixation on the organism, the both sides of support plate are equipped with first seat and second seat respectively, be equipped with first hydraulic pressure riser, sliding seat and hydraulic pressure impeller on the both sides plate body of support plate respectively, the lift post of first hydraulic pressure riser is fixed with first seat, the promotion post of hydraulic pressure impeller is fixed with the sliding seat, be equipped with the motor in the sliding seat. Through the addition of the functional seat, the humanization of the body is effectively enhanced, the whole test process is more comfortable, and the situation that waist soreness and leg pain are caused by standing test is avoided.

Description

Visual sensitivity tester

Technical Field

The utility model relates to a visual test equipment technical field specifically is a visual sensitivity tester.

Background

In daily life, human eyes need to distinguish clear boundary objects and fuzzy boundary objects. The latter resolution capability is called contrast sensitivity. Contrast sensitivity is defined as the inverse of the contrast threshold that the visual system can perceive. Contrast sensitivity is 1/contrast threshold. The contrast threshold is low, the contrast sensitivity is high, and the visual function is good. At a certain spatial frequency, the visual system has a certain contrast sensitivity; on the contrary, the visual system has a certain spatial frequency resolution at the same contrast.

Most of the existing sensitivity testing equipment are independent bodies, mostly have no riding devices, lack a certain humanized design, and when a tester is tested, the tester and a doctor stand to complete the test.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a visual sensitivity tester has solved present sensitivity test equipment and has lacked certain humanized design, and long-time test of standing, doctor and patient can appear the painful condition of waist soreness leg.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a visual sensitivity tester comprises a machine body, wherein the machine body is fixed on a support plate, one side of the machine body is provided with a display device, the other side of the machine body is provided with a test port, the test port is provided with a light screen, the light screen is composed of a fixed plate and a light screen, the light screen is embedded on the fixed plate, the fixed plate is fixed on the machine body through screws, two sides of the support plate are respectively provided with a first seat and a second seat, two side plate bodies of the support plate are respectively provided with a first hydraulic lifter, a sliding seat and a hydraulic pusher, a lifting column of the first hydraulic lifter is fixed with the first seat, a pushing column of the hydraulic pusher is fixed with the sliding seat, a motor is arranged in the sliding seat, the sliding seat is provided with a second hydraulic lifter, the motor is connected with the second hydraulic lifter through a rotating assembly, and the lifting column of the second hydraulic lifter is fixed with the second seat, the electric vehicle seat is characterized in that a control key and a control box are arranged on the second seat, an insulating protection pad is arranged on the surface of the second seat, a control main board is arranged in the control box, one end of the control main board is connected with an internal power supply of the vehicle body through a power line, and the other end of the control main board is connected with the control key, a second hydraulic lifter, a motor and a hydraulic pusher through an integrated line.

Preferably, a sliding groove is formed in the fixing plate, a sliding bead is arranged on the window shade, and the sliding bead is connected with the sliding groove in a chimeric mode.

Preferably, the first hydraulic lifter is a manual hydraulic lifter, the first hydraulic lifter is provided with a hydraulic lifting rod, and the second hydraulic lifter is an electronic hydraulic lifter.

Preferably, the bottom of the sliding seat is provided with a sliding buckle, a slide way is arranged on the plate body of the carrier plate, and the sliding buckle is connected with the slide way in an embedded manner.

Preferably, the control mainboard is a PCB integrated circuit board, the control mainboard is provided with a power supply connection port, an I/O connection port and a processing chip, the I/O connection port is an integrated port, the I/O connection port is uniformly distributed on the control mainboard, the processing chip is a CPU chip, the processing chip is of a PC87392 type, an information transmission module and an equipment control module are welded on pins of the processing chip, and the information transmission module and the equipment control module are respectively connected with the I/O connection port through data transmission lines.

(III) advantageous effects

The utility model provides a visual sensitivity tester. The method has the following beneficial effects:

this organism adopts the fixed mode of support plate, first seat and second seat on the support plate, can provide doctor and tester respectively and take, the second seat adopts the integrated structure of electronic quadriversal position control and rotation angle regulation simultaneously, can carry out reasonable adjustment to tester's height and position of sitting on the one hand, on the other hand is when carrying out independent test to tester's eyes, the angle of conveniently adjusting the second seat, the tester need not to adjust the position of sitting, through the interpolation of functional seat, the effectual hommization that has strengthened the organism, make whole test procedure more comfortable, the test of having avoided standing causes the painful condition of waist sour leg.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the light shielding plate of the present invention;

fig. 3 is a schematic structural diagram of the control box of the present invention.

In the figure, a machine body-1, a carrier plate-2, a display device-3, a shading plate-4, a first seat-5, a first hydraulic lifter-6, a second seat-7, a control key-8, a control box-9, a second hydraulic lifter-10, a sliding seat-11, a motor-12, a hydraulic pusher-13, a fixed plate-14, a shading curtain-15 and a control main board-16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a visual sensitivity tester comprises a machine body 1, wherein the machine body 1 is fixed on a carrier plate 2, one side of the machine body 1 is provided with a display device 3, the other side of the machine body is provided with a test port, the test port is provided with a light screen 4, the light screen 4 is composed of a fixed plate 14 and a light screen 15, the light screen 15 is embedded on the fixed plate 14, the fixed plate 14 is fixed on the machine body 1 through screws, two sides of the carrier plate 2 are respectively provided with a first seat 5 and a second seat 7, two side plate bodies of the carrier plate 2 are respectively provided with a first hydraulic lifter 6, a sliding seat 11 and a hydraulic pusher 13, a lifting column of the first hydraulic lifter 6 is fixed with the first seat 5, a pushing column of the hydraulic pusher 13 is fixed with the sliding seat 11, a motor 12 is arranged in the sliding seat 11, a second hydraulic lifter 10 is arranged on the sliding seat 11, the motor 12 is connected with the second hydraulic lifter 10 through a rotating assembly, the lifting column of the second hydraulic lifter 10 is fixed with the second seat 7, the second seat 7 is provided with a control key 8 and a control box 9, the panel of the second seat 7 is provided with an insulating protective pad, the control box 9 is internally provided with a control main board 16, one end of the control main board 16 is connected with an internal power supply of the machine body 1 through a power line, and the other end of the control main board is respectively connected with the control key 8, the second hydraulic lifter 10, the motor 12 and the hydraulic pusher 13 through an integrated line.

The fixed plate 14 is provided with a sliding groove, the window shade 15 is provided with a sliding bead, and the sliding bead is connected with the sliding groove in an embedded mode. The fixing plate and the window shade are embedded into each other, so that the window shade can be unfolded and closed conveniently.

The first hydraulic lifter 6 is a manual hydraulic lifter, a hydraulic lifting rod is arranged on the first hydraulic lifter 6, and the second hydraulic lifter 10 is an electronic hydraulic lifter. The first hydraulic lifter and the second hydraulic lifter respectively perform height adjustment on the first seat and the second seat.

The bottom of the sliding seat 11 is provided with a sliding buckle, the plate body of the carrier plate 2 is provided with a slideway, and the sliding buckle is connected with the slideway in an embedded manner. The sliding buckle is embedded with the slide way, so that the hydraulic pusher can drive the sliding seat to move on the carrier plate to adjust the transverse position.

The control mainboard 16 is a PCB integrated circuit board, be equipped with power connection port, IO connection port and processing chip on the control mainboard 16, IO connection port is integrated port, the even distribution of IO connection port is on the control mainboard 16, the processing chip is the CPU chip, the processing chip model is PC87392, it has information transmission module and equipment control module to weld on the pin of processing chip, information transmission module and equipment control module pass through data transmission line and are connected with IO connection port respectively. The control mainboard can realize the integrated connection of a plurality of equipment, and the processing chip has realized the executive control to a plurality of equipment.

The working principle is as follows: when testing the tester, at first doctor and tester sit respectively on first seat 5 and second seat 7, doctor's accessible lifter adjusts the height of seat, the tester can realize the electrical control through control button 8 on the second seat 7, can realize the horizontal regulation of seat through hydraulic pressure impeller 13, can realize the height control of seat through second hydraulic pressure riser 10, after the position control, stimulate window shade 15 on the fixed plate 14, prevent external light, avoid influencing the test effect, when carrying out the independent test of binocular, accessible control button 8 comes accommodate motor 12, motor 12 can drive second hydraulic pressure riser 10 and second seat 7 together and rotate, can test after the angle modulation.

The utility model relates to a machine body 1, a support plate 2, a display device 3, a light screen 4, a first seat 5, a first hydraulic lifter 6, a second seat 7, a control key 8, a control box 9, a second hydraulic lifter 10, a sliding seat 11, a motor 12, a hydraulic pusher 13, a fixed plate 14, a light screen 15, a control mainboard 16, all parts are universal standard parts or parts known by technicians in the field, the structure and principle of the parts are all that technicians can know manuals through the technology or can know the manuals through conventional experimental methods, the utility model solves the problems that the prior sensitivity testing device lacks certain humanized design, long-time standing test can be carried out, and doctors and patients can have waist soreness and leg pain, the utility model adopts the mode that the support plate 2 is fixed, and the first seat 5 and the second seat 7 on the support plate 2 can be respectively provided for doctors and testers, simultaneously second seat 7 adopts the integrated structure of electronic quadriversal position control and rotation angle regulation, can carry out reasonable adjustment to tester's height and position of sitting on the one hand, and on the other hand is when independently testing tester's eyes, conveniently adjusts second seat 7's angle, and the tester need not to adjust the position of sitting, through the interpolation of functional seat, the effectual hommization that has strengthened organism 1 for whole test process is more comfortable, has avoided the test of standing to cause the painful condition of waist soreness leg.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A visual sensitivity tester, characterized in that: the test device comprises a machine body (1), wherein the machine body (1) is fixed on a support plate (2), one side of the machine body (1) is provided with a display device (3), the other side of the machine body is provided with a test port, the test port is provided with a light screen (4), the light screen (4) is composed of a fixed plate (14) and a light screen (15), the light screen (15) is embedded on the fixed plate (14), the fixed plate (14) is fixed on the machine body (1) through screws, two sides of the support plate (2) are respectively provided with a first seat (5) and a second seat (7), two side plate bodies of the support plate (2) are respectively provided with a first hydraulic lifter (6), a sliding seat (11) and a hydraulic pusher (13), a lifting column of the first hydraulic lifter (6) is fixed with the first seat (5), a pushing column of the hydraulic pusher (13) is fixed with the sliding seat (11), be equipped with motor (12) in sliding seat (11), be equipped with second hydraulic pressure riser (10) on sliding seat (11), motor (12) are connected with second hydraulic pressure riser (10) through rotating assembly, the lift post of second hydraulic pressure riser (10) is fixed with second seat (7), be equipped with control button (8) and control box (9) on second seat (7), be equipped with insulating protection pad on the face of second seat (7), be equipped with control mainboard (16) in control box (9), control mainboard (16) one end is passed through the power line and is connected with organism (1) internal power supply, and the other end passes through the integrated line respectively with control button (8), second hydraulic pressure riser (10), motor (12) and hydraulic pressure impeller (13).

2. A visual sensitivity tester as claimed in claim 1, wherein: the fixed plate (14) is provided with a sliding groove, the shading curtain (15) is provided with a sliding bead, and the sliding bead is connected with the sliding groove in an embedded mode.

3. A visual sensitivity tester as claimed in claim 1, wherein: the first hydraulic lifter (6) is a manual hydraulic lifter, a hydraulic lifting rod is arranged on the first hydraulic lifter (6), and the second hydraulic lifter (10) is an electronic hydraulic lifter.

4. A visual sensitivity tester as claimed in claim 1, wherein: the bottom of the sliding seat (11) is provided with a sliding buckle, a slide way is arranged on the plate body of the carrier plate (2), and the sliding buckle is connected with the slide way in an embedded mode.

5. A visual sensitivity tester as claimed in claim 1, wherein: the control mainboard (16) is PCB integrated circuit board, be equipped with power connection port, IO connection port and processing chip on control mainboard (16), IO connection port is integrated port, the even distribution of IO connection port is on control mainboard (16), the processing chip is the CPU chip, it is PC87392 to handle the chip model, it has information transmission module and equipment control module to handle fusion welding on the pin of chip, information transmission module and equipment control module pass through data transmission line and are connected with IO connection port respectively.