CN208221955U - Adaptive pinpoint visual stimulator - Google Patents
Adaptive pinpoint visual stimulator Download PDFInfo
- Publication number
- CN208221955U CN208221955U CN201820714146.6U CN201820714146U CN208221955U CN 208221955 U CN208221955 U CN 208221955U CN 201820714146 U CN201820714146 U CN 201820714146U CN 208221955 U CN208221955 U CN 208221955U
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- CN
- China
- Prior art keywords
- display
- pinpoint
- adaptive
- telescopic shaft
- support beam
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Abstract
The utility model discloses a kind of adaptive pinpoint visual stimulators, including display, the display embeds on display bracket, the display bracket adjusts support with position by connecting rod and is flexibly connected, there is telescopic shaft in the display bracket upper hinge being located above the display, the end of the telescopic shaft is provided with laser emitter.It is simple that the utility model has the advantage of structures, low manufacture cost, and when use is easy to adjust, and embedding the display on display bracket can do that upper and lower, left and right are mobile according to experimental conditions, guarantees the accuracy of every experiment；And telescopic shaft of the hinge on display bracket can do 360 ° of rotations, the laser emitter by being mounted on its end can accurately orient the position of subject.
Description
Technical field
The utility model relates to biological vision training machines, pierce more particularly, to a kind of adaptive pinpoint vision
Swash device.
Background technique
By nature evolution in more than one hundred million years, biology forms very superior Vision information processing mechanism.Vision research
It is to explore biological vision information processing mechanism, research visual evoked potential extracts the science with cerebral function imaging rule etc., and schemes
Shape stimulating system is indispensable device in vision research.Therefore, vision of the exploitation pictorial stimulus system for cognition biology
System, research machine vision and visual rehabilitation engineering etc. are of great significance.
The major experimental project of visual stimulator has the characteristic test of rat receptive field and rat image restores experiment, experiment
Purpose are as follows: one, measure the receptive field of rat, and analyze the characteristic of receptive field；Two, contrived experiment obtains visual stimulus response letter
Number and visual signal is analyzed, establish on this basis model restore visual pattern.Since existing visual stimulator is
One piece of fixed single display of position, display is immovable during test, can not adjustment direction and angle, thus
A large amount of error is brought to experiment, specifically there is following inconvenient: 1, being unable to precise measurement subject and display
Distance；2, when carrying out Polarity experiment, it be easy to cause animal visual angle measuring error etc.；3, when carrying out different experiments, one
The position of denier subject or experiment content change, display screen cannot adjustment direction and angle well, thus to experiment
Bring a large amount of error；4, the position of subject can not accurately be positioned.Therefore designing one kind can be according to different experiments situation
The visual stimulator for carrying out direction and angle adjustment to display at any time just seems necessary.
Summary of the invention
The purpose of this utility model is that in view of the above-mentioned drawbacks of the prior art, one kind is provided can be according to different realities
Test the adaptive pinpoint visual stimulator that situation carries out direction and angle adjustment to display at any time.
To achieve the above object, the utility model can take following technical proposals:
Adaptive pinpoint visual stimulator described in the utility model, including display, the display embed
On display bracket, the display bracket adjusts support with position by connecting rod and is flexibly connected, and is being located at the display
Display bracket upper hinge above device has telescopic shaft, and the end of the telescopic shaft is provided with laser emitter.
Laser emitter switch is provided on the telescopic shaft of laser emitter.
The position adjustment support that the utility model uses includes pedestal, with externally threaded longitudinal column bottom and the bottom
Seat is fixedly connected with, and level is fixed with support beam, setting at the top of the connecting rod in the adjustment block being screwed on longitudinal column
Have and is sleeved in the support beam with the matched sliding sleeve of support beam shape, the sliding sleeve along described support beam or so
It is mobile.
It is set with casing on the longitudinal direction column, has screwed gland on longitudinal column at the top of the casing；Institute
It states casing side wall and offers through slot along longitudinal direction, the support beam is pierced by from the through slot.
The adjustment block is an integral structure with support beam.
Horizontal groove is offered on the display bracket, the telescopic shaft is placed in the horizontal groove.
It is simple that the utility model has the advantage of structures, low manufacture cost, and when use is easy to adjust, embeds in display branch
Display on frame can do the accuracy that upper and lower, left and right are mobile, and guarantee items are tested according to experimental conditions；And hinge is aobvious
Show that the telescopic shaft on device bracket can do 360 ° of rotations, the laser emitter by being mounted on its end can accurately orient by
The position of examination person.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the adaptive pinpoint visual stimulator of the utility model, including display 1, display 1
It embeds on display bracket 2, facilitates adjustment for realization display upper and lower, left and right position, display bracket 2 passes through connection
Bar 3 is flexibly connected with position adjustment support, is had telescopic shaft 4 in 2 upper hinge of display bracket being located above display 1, is stretched
Axis 4 can realize that 360 ° rotate without dead angle, are provided with laser emitter 5 in the end of telescopic shaft 4, close to the laser emitter 5
Telescopic shaft 4 on be provided with laser emitter 5 switch；For convenience of the storage of telescopic shaft 4, water is offered on display bracket 2
Telescopic shaft 4 can be placed in horizontal groove 12 by flat grooves 12 when not used.
The position adjustment support that the utility model uses includes pedestal 6, passes through company with externally threaded longitudinal column bottom
Disk 13 is connect to be fixedly connected with pedestal 6, when level is fixed with support beam 7(practical manufacture in the adjustment block being screwed on longitudinal column,
Adjustment block and support beam 7 can be an integral structure), it is provided at the top of connecting rod 3 and the matched sliding sleeve of 7 shape of support beam
8(connecting rod 3 and sliding sleeve 8 are also designed to integral structure), sliding sleeve 8 is sleeved in support beam 7 to be moved along support beam 7 or so
It is dynamic.The external screw thread of longitudinal direction column is broken when to avoid experiment, and casing 9 can be set on longitudinal column, is located at 9 top of casing
Longitudinal column on screwed gland 10, casing 9 can be positioned；Through slot 11 is offered along longitudinal direction in 9 side wall of casing, is propped up
Support crossbeam 7 is pierced by from through slot 11, in this way, casing 9 can follow support beam 7 to exist simultaneously when support beam 7 rotates as needed
Horizontal direction is rotated.
The pedestal 6 of the utility model can be bolted on experimental bench, and support beam 7(drives 2 He of display bracket
Display 1) 360 ° of adjustment can be carried out in the horizontal direction as needed, it can also be moved above and below column along longitudinal direction, and it is direct
The display bracket 2 and display 1 being connected with connecting rod can also be carried out left and right by the sliding sleeve 8 being sleeved in support beam 7
It is mobile, the movements in all directions such as 1 upper and lower, left and right of display in experimentation, 360 ° of rotations are realized, ensure that every experiment
Accuracy；
When being positioned, test picture is shown on 1 screen of display, by adjusting telescopic shaft 4, can will be swashed
Optical transmitting set 5 draw to test picture center, at this time press light laser transmitter 5, using one simultaneously use connect
Put away sports equipment (reception bar is stretching structure, and to facilitate adjustment length, bottom is equipped with disk, can make its standing in the horizontal plane,
Laser pickoff is arranged in top) laser that laser emitter 5 emits, the position that laser is irradiated to just are received before screen
The as position of subject.
The function and specifically used method of the utility model are as follows:
Function one, by the rotation in upper and lower, left and right, movement and horizontal direction, can really measure
Subject is at a distance from display
Application method:
1, the position of subject is determined；
2, adjust the position of display 1: adjustment support beam 7 determines then cunning is stirred in height and the direction of display 1
Set 8 moves left and right display 1 in place, guarantees that display 1 and subject are in a suitable distance；
3, subject is measured at a distance from display 1 with measuring tool.
Function two, by being matched with software, can accurately calculate the visual angle of subject
Application method:
1, position of the test chart in display 1 is determined；
2, the width of picture is measured；
3, the linear distance of subject Yu display 1 are measured；
4, the data of width and distance are input in software, the visual angle of subject can be accurately calculated.
Function three, when the position of subject or experiment content change, by mobile display, can be good at adjusting
Its whole direction and angle
Application method:
1, support beam 7, the height of adjustable display 1 and direction are rotated；
2, the position for adjusting sliding sleeve 8, moves left and right display 1, determines its position.
Function four, when doing Dominant eye test for certain animals, easily can accurately orient subject's Dominant eye
Position
Application method:
1, position of the test chart in display 1 is determined；
2, rotation adjustment telescopic shaft 4, makes laser emitter 5 be located at the center of test chart；
3, the switch of laser emitter 5 is opened；
4, bar is received using an extension type just receive the laser emitted, the position that laser is irradiated to before screen
It sets as the position of subject.
Claims (6)
1. a kind of adaptive pinpoint visual stimulator, including display (1), it is characterised in that: the display (1) is embedding
It is placed on display bracket (2), the display bracket (2) adjusts support with position by connecting rod (3) and is flexibly connected, in place
Display bracket (2) upper hinge above the display (1) has telescopic shaft (4), and the end of the telescopic shaft (4) is provided with
Laser emitter (5).
2. adaptive pinpoint visual stimulator according to claim 1, it is characterised in that: the position adjustment branch
Seat includes pedestal (6), is fixedly connected with externally threaded longitudinal column bottom with the pedestal (6), and longitudinal column is screwed in
On adjustment block on level be fixed with support beam (7), be provided with and the support beam (7) shape at the top of the connecting rod (3)
The matched sliding sleeve of shape (8), the sliding sleeve (8) are sleeved on the support beam (7) and move left and right along the support beam (7).
3. adaptive pinpoint visual stimulator according to claim 2, it is characterised in that: on the longitudinal direction column
Casing (9) are set with, is located on longitudinal column at the top of the casing (9) and has screwed gland (10)；In the casing (9) side wall
It offers along longitudinal direction through slot (11), the support beam (7) is pierced by from the through slot (11).
4. adaptive pinpoint visual stimulator according to claim 2, it is characterised in that: the adjustment block and branch
Support crossbeam (7) is an integral structure.
5. adaptive pinpoint visual stimulator according to claim 1, it is characterised in that: the display bracket
(2) it is offered on horizontal groove (12), the telescopic shaft (4) is placed in the horizontal groove (12).
6. adaptive pinpoint visual stimulator according to claim 1, it is characterised in that: sent out close to the laser
Laser emitter (5) switch is provided on the telescopic shaft (4) of emitter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714146.6U CN208221955U (en) | 2018-05-15 | 2018-05-15 | Adaptive pinpoint visual stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714146.6U CN208221955U (en) | 2018-05-15 | 2018-05-15 | Adaptive pinpoint visual stimulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221955U true CN208221955U (en) | 2018-12-11 |
Family
ID=64507911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714146.6U Expired - Fee Related CN208221955U (en) | 2018-05-15 | 2018-05-15 | Adaptive pinpoint visual stimulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413198A (en) * | 2018-05-15 | 2018-08-17 | 郑州大学 | Adaptive pinpoint visual stimulator |
-
2018
- 2018-05-15 CN CN201820714146.6U patent/CN208221955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413198A (en) * | 2018-05-15 | 2018-08-17 | 郑州大学 | Adaptive pinpoint visual stimulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |