CN103876840B - A kind of photic damage experimental provision - Google Patents
A kind of photic damage experimental provision Download PDFInfo
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- CN103876840B CN103876840B CN201310713279.3A CN201310713279A CN103876840B CN 103876840 B CN103876840 B CN 103876840B CN 201310713279 A CN201310713279 A CN 201310713279A CN 103876840 B CN103876840 B CN 103876840B
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- damage experimental
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Abstract
The invention provides a kind of photic damage experimental provision, including support, horizontal tray and lamp screen, described support and bracket are angle steel and make, support is the framework that column is combined into upper lower horizontal border, framework is cuboid or cube, it is provided with the horizontal tray for placing animal experimental cage in framework, the framework that at least one face of animal experimental cage is corresponding is provided with optical screen.Apparatus of the present invention convenient disassembly, experimentation uniform illumination, environment is good, easy to operate, can accurately measure photic damage degree.
Description
Technical field
The invention belongs to ophthalmology medical domain, be specifically related to a kind of for studying animal retina photic damage experimental model
Photic damage experimental provision.
Background technology
Retina is one of vital tissue structure of vision formation.Any ambient, only arrives normally functioning regarding
Nethike embrane could form certain visual pattern.If light is crossed weak or too strong, visual pattern clearly all cannot be formed.Therefore,
The formation of vision is very important by appropriate light.On the contrary, if the time etc. of the intensity of light, illumination has exceeded view
The holding capacity of film, will result in amphiblestroid optical damage.Retina photodamage mechanism and preventing and treating always ophthalmology for many years
One important subject in field, wherein, set up the retina photodamage animal experiment device of science be always doctor and
The emphasis of backroom boys's research.Application No. 200920108782.5, the China of entitled " animal photo damage device " is specially
Profit discloses one and discloses a kind of animal photo damage device, moving including lighttight box body, more than one lamp cylinder and printing opacity
Thing disposes cylinder；The inwall of described lamp cylinder is uniformly provided with the adjustable LED of illumination；Described lamp cylinder is located in box body；Described animal disposes
Jacket casing is located in lamp cylinder.Said apparatus has following defects that 1. employing LED lamp cylinders, does not has even tabula rasa, and animal light may not
Enough uniform；2. in animal disposes cylinder, environment feeding environment daily from animal is different, and in cylinder, environment is difficult to cleaning；3. cannot determine
Time switching light sources and timely measuring cylinder in actual light intensity；4. animal disposes cylinder and chest lucifuge and heat dispersion to fail to understand；5.LED
Though illumination scalable, but trouble changed by LED lamp；6. animal disposes cylinder volume less, causes each light to expose size of animal few.
Application No. 201220022980.1, the Chinese patent of entitled " retina photodamage experimental box " discloses a kind of retina
Photic damage experimental box, including the square box that length and width is equal, described box top is provided with split door, and described casing is left
Side, right flank and trailing flank are provided with some louvres, and the leading flank center of casing is provided with fan hole, setting-in in described fan hole
Fan, the inwall of described cabinet door, left surface inwall, right flank inwall and trailing flank inwall is had to be respectively provided with white fluorescence,
Cabinets cavity is provided with some transparent grid screens and inner chamber is separated into some points of cavitys.Use said apparatus, experiment is put with rat
In each point of cavity of casing, with daylight lamp, the rat in casing carried out strong radiation of visible light, induced rat retina injury.
Above-mentioned experimental box has following defects that 1. be adopted as electric filament lamp, even more serious compared with the source heat production of LED lamp；2. space is the closeest
Close, animal activity inconvenience, animal feeding, clean environment inconvenience；3. cannot actual light intensity in measuring cylinder in time；4. casing surrounding
Having louvre, light-shading effect is failed to understand；5. cannot time switch light source, it is impossible to the illumination experiment that carries out that day alternates with night.
Summary of the invention
The present invention is directed to prior art not enough, it is provided that a kind of convenient disassembly, uniform illumination, environment is good, easy to operate,
The photic damage experimental provision that can accurately measure.
The concrete technical scheme of the present invention is as follows:
A kind of photic damage experimental provision, including support, horizontal tray and lamp screen, described support and horizontal tray are angle steel
Making, support is the framework that column is combined into upper lower horizontal border, and framework is cuboid or cube, is provided with for putting in framework
Put the horizontal tray of animal experimental cage, the framework that at least one face of animal experimental cage is corresponding is provided with lamp screen.
Above-mentioned photic damage experimental provision, lamp screen can be fixed on column or the upper lower horizontal border of framework, with zoopery
Cage face is staggered relatively.
Above-mentioned photic damage experimental provision, horizontal tray is that disclosed in state of the art, any one is applicable to the present invention
Structure.One of which structure can be that frame and supporting network that bracket is made up of at least one pair of parallel support bar form,
The two ends of stay are vertically fixed on the column of framework.Further, use two to parallel supporting bars when, support bar
Form " mouth " font parallel square frame equirotal with framework transverse frame.
One preferred version of above-mentioned photic damage experimental provision is each on two horizontal pane faces up and down of described framework
It is provided with pair of parallel crossbeam, lower and upper cross-member one_to_one corresponding and aligned fashion；At least one lamp screen is fixing with crossbeam to be connected, and water
Put down or vertical distribution is between crossbeam.It is the easiest, easy that this structure makes lamp screen install.A further preferred version is institute
Stating horizontal tray to be made up of a pair support bar and the pair of parallel bearing strip in crossbeam, the two ends of support bar are vertically fixed on framework
Column on, the two ends of bearing strip are respectively and vertically fixed on two support bars, and bearing strip be smaller than two levels
The spacing of crossbeam.Further can be provided with supporting network between the bearing strip of bracket.During use, can be according to animal experimental cage
The bearing strip spacing of size bracket, makes bearing strip be smaller than or equal to cage width, and experimental cage is positioned over level
On the bearing strip of bracket.Size according to experimental cage regulates the spacing of framework horizontal pane face entablature simultaneously, is allowed to more than experiment
The width of cage.In the position of the hexahedro arbitrarily one side of the solid towards animal experimental cage or multiple, lamp screen is installed, lamp screen is led to
Cross bolt or band is fixed on crossbeam, lamp screen quantity can be increased and decreased according to actual needs.
The supporting network of above-mentioned photic damage experimental provision is the grid that cross-coupled support bar forms hollow, can make
Thing
Experimental cage is placed more steady, and supporting network can be fixed on bearing strip by bolt or iron wire.
Above-mentioned photic damage experimental provision each several part material is angle steel, uses dismountable connected mode, such as bolt even
Connecing, pin connection etc., angle steel the most with holes, without additionally punching during installation so that install the simplest
Just.
Above-mentioned photic damage experimental provision, lamp screen may select the lamp source used by normal experiment, preferably LED light source and even light
The LED screen of plate composition.
Above-mentioned photic damage experimental provision, support also can freely install exhaust fan according to device internal temperature and requirement,
Reduce ambient temperature or aeration condition changes animal generation impact.
Above-mentioned photic damage experimental provision, its frame bottom can also install universal wheel, it is simple to mobile.
Above-mentioned photic damage experimental provision, its support also can be provided with illumination meter, convenient monitoring intensity of illumination.
Above-mentioned photic damage experimental provision, its support is also equipped with regular socket, and lamp screen circuit links with regular socket
Power supply, has countdown function, can accurate light application time.
Above-mentioned photic damage experimental provision, can use in the environment of lucifuge.
Present invention also offers a kind of photic damage experimental provision with lightshade cover, by above-mentioned with support, horizontal tray
It is placed in inside lightshade cover with the photic damage experimental provision of lamp screen, it is simple to test in having luminous environment.The cover choosing of lightshade cover
Making with conduction of heat express delivery metal, preferably venetian blind type, blade openings is upward.Both meet experiment lucifuge requirement, increase again light
According to ventilation effect in case, environment does not results in light pollution yet to external world.Support, horizontal tray and lightshade cover are internal is black frosted
Coating, it is to avoid source reflection.
The invention have the advantages that
Photic damage experimental provision the most of the present invention, support and bracket use angle steel with holes, can big according to experimental animal cage
Little random regulation bearing strip position, lamp screen position and lamp screen quantity, flexibly and easily, be suitable for the requirement of different experiments；
2. the present invention use LED light source add even tabula rasa constitute LED screen, luminescence is more uniformly distributed, can be according to experiment
Light intensity selects assorted stepless regulated type LED screen；
3. the present invention can increase and decrease installation fan as required, reduces ambient temperature or aeration condition changes animal generation shadow
Ring；
4. universal wheel can also be installed, it is simple to mobile bottom apparatus of the present invention；
5. apparatus of the present invention inner space is big, can place laboratory animal by whole cage, identical with animal feeding environment on ordinary days；
With regular socket link power supply in LED screen circuit the most of the present invention, there is countdown function, can accurately illumination time
Between, accurately carry out periodically illumination experiment；
7. apparatus of the present invention also can be provided with illumination meter, convenient monitoring intensity of illumination；
8. the lightshade cover surrounding tank wall that apparatus of the present invention are selected is shutter, and upwards, this design increases blade openings
Radiating effect, beneficially case inner air and outer air circulation, and avoid ambient to disturb, lucifuge and air circulation can be good, support, level
Bracket and lightshade cover inside are black frosted coating, it is to avoid source reflection.
Accompanying drawing explanation
Fig. 1 is the main structure schematic diagram of photo-damage device of the present invention；
Fig. 2 is the top view of photo-damage device of the present invention；
Fig. 3 is the schematic diagram of lightshade cover of the present invention；
In attached Fig. 1 and 2: 1-support, 2-horizontal tray, 3-LED lamp screen, 4-crossbeam, 5-bearing strip, 6-animal is real
Test cage, 7-universal wheel.
Detailed description of the invention
The concrete steps of the present invention are described by the following examples, but are not limited by the example.
The term used in the present invention, except as otherwise noted, typically has those of ordinary skill in the art and generally manages
The implication solved.
Below in conjunction with specific embodiment and with reference to data, the present invention is described in further detail.Should be understood that these embodiments are only
It is in order to demonstrate the invention, rather than limits the scope of the present invention by any way.
Embodiment 1
A kind of photic damage experimental provision, its main structure schematic diagram is as shown in Fig. 1, and Fig. 2 is the top view of Fig. 1, bag
Including support 1, horizontal tray 2 and LED lamp screen 3, described support 1 and horizontal tray 2 are angle steel with holes and make,
Support 1 is the framework that column is combined into upper lower horizontal border, and framework is cuboid, on two horizontal pane faces up and down of framework
Also it is respectively provided with pair of parallel crossbeam 4, lower and upper cross-member one_to_one corresponding and aligned fashion；At least one lamp screen 3 and crossbeam 4
Fixing connection, and be horizontally or vertically distributed between crossbeam 4；Equipped with horizontal tray 2 in framework, horizontal tray 2 is by a pair
Support bar and the pair of parallel bearing strip 5 in crossbeam form, and the two ends of support bar are vertically fixed on the column of framework, load-bearing
The two ends of bar 5 are respectively and vertically fixed on two support bars, and being smaller than between two horizontal girds 4 of bearing strip 5
Away from.
Above-mentioned photic damage experimental provision each several part material mode with bolts, it is simple to during dismantling and using
The adjustment of size and distance is carried out in order to adapt to different animal experimental cages.At the drift angle in support and horizontal tray frame face further
It is mounted with that triangular plate is reinforced.Meanwhile, increasing and secure one piece of supporting network between the bearing strip of bracket, supporting network is for by intersecting
The support bar connected forms the wire side of hollow, makes animal experimental cage place more steady.Frame bottom can also install universal wheel
7, it is simple to mobile.
During use, bearing strip 5 spacing of horizontal tray 2 can be regulated according to the size of animal experimental cage 6, make load-bearing
Bar 5 is smaller than or equal to cage width, by the bearing strip 5 being positioned over horizontal tray 2 of experimental cage.Basis simultaneously
The spacing of the size regulation framework horizontal pane face entablature 4 of experimental cage, is allowed to the width more than experimental cage.Real towards animal
LED lamp screen 3 is installed in the position testing the hexahedro arbitrarily one side of the solid of cage or multiple, and LED lamp screen 3 is passed through bolt
Or band is fixed on crossbeam, LED screen 3 quantity can be increased and decreased according to actual needs.
Support 1 can be set up exhaust fan, illumination meter and timing and inserts on above-mentioned photic damage experimental provision architecture basics
Seat, makes this photic damage experimental provision can not only reduce ambient temperature or aeration condition changes animal generation impact, convenient prison
Survey intensity of illumination and also can accurate light application time, accurately carry out periodicity illumination experiment.
Meanwhile, lightshade cover 8 on whole bracket outer cover, as shown in Fig. 3, the cover of lightshade cover 8 is shutter
Formula, blade is open out upward, and support 1 and lightshade cover 8 are internal with black frosted coating.This design increases heat radiation effect
Really, beneficially case inner air and outer air circulation, and avoid ambient to disturb, lucifuge and air circulation can be good, support 1, horizontal tray
2 and lightshade cover 8 internal be black frosted coating, it is to avoid source reflection.
Claims (6)
1. a photic damage experimental provision, it is characterised in that include support, horizontal tray and lamp screen, described support and bracket are
Angle steel is made, and support is the framework that column is combined into upper lower horizontal border, and framework is cuboid or cube, is provided with use in framework
In the horizontal tray of placement animal experimental cage, the framework that at least one face of animal experimental cage is corresponding is provided with lamp screen, described
It is respectively provided with pair of parallel crossbeam, lower and upper cross-member one_to_one corresponding and aligned fashion on two horizontal pane faces up and down of framework；At least
One lamp screen is fixed with crossbeam and is connected, and is horizontally or vertically distributed between crossbeam, and described horizontal tray is supported by least one pair of
Frame and supporting network that bar is constituted form, and the two ends of support bar are vertically fixed on the column of framework.
2. photic damage experimental provision as claimed in claim 1, it is characterised in that described support and/or horizontal tray frame face
Triangular plate is also installed at drift angle reinforce.
3. photic damage experimental provision as claimed in claim 1, it is characterised in that described lamp screen is by LED light source and even tabula rasa
Composition.
4. photic damage experimental provision as claimed in claim 1, it is characterised in that be also equipped with on described support exhaust fan, ten thousand
One or more parts in wheel, illumination meter, regular socket.
5. the photic damage experimental provision as described in any one of claim 1-4, it is characterised in that described device also includes lucifuge
Cover, covers in inside by support.
6. photic damage experimental provision as claimed in claim 5, it is characterised in that the cover of described lightshade cover is venetian blind type, leaf
Sheet is opening up, and described support and lightshade cover are internal with black frosted coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713279.3A CN103876840B (en) | 2013-12-20 | 2013-12-20 | A kind of photic damage experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713279.3A CN103876840B (en) | 2013-12-20 | 2013-12-20 | A kind of photic damage experimental provision |
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| Publication Number | Publication Date |
|---|---|
| CN103876840A CN103876840A (en) | 2014-06-25 |
| CN103876840B true CN103876840B (en) | 2016-08-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361806B (en) * | 2014-11-10 | 2018-02-09 | 辽宁石油化工大学 | A kind of teaching demonstration device of light penetration power experiment |
| CN105156954B (en) * | 2015-10-09 | 2019-03-08 | 中国科学院西北高原生物研究所 | A kind of light irradiation device of experimental animal skin injury model foundation |
| CN105675609B (en) * | 2016-01-19 | 2018-03-20 | 北京阳明智道光电科技有限公司 | A kind of retinal light damage measurement apparatus and quantitative evaluation method |
| CN109006512A (en) * | 2018-07-06 | 2018-12-18 | 西安医学院 | A kind of experimental optical damage animal model construction device |
| CN113841621B (en) * | 2021-09-28 | 2022-09-30 | 上海市第一人民医院 | Experimental blue light-induced retinal light injury model device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5194041A (en) * | 1991-08-05 | 1993-03-16 | Standard Safety Equipment Co. | Ventilation system for isolators |
| CN201492408U (en) * | 2009-06-17 | 2010-06-02 | 北京大学第三医院 | Animal photo damage device |
| CN202446290U (en) * | 2012-01-18 | 2012-09-26 | 江苏省苏北人民医院 | Retinal light injury experiment box |
| CN103211581A (en) * | 2013-04-19 | 2013-07-24 | 温州医学院 | Temperature-and-illumination-controllable type retinal photo-injury quantitative research device |
| CN203634291U (en) * | 2013-12-20 | 2014-06-11 | 江苏省人民医院 | Light injury experiment apparatus |
-
2013
- 2013-12-20 CN CN201310713279.3A patent/CN103876840B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5194041A (en) * | 1991-08-05 | 1993-03-16 | Standard Safety Equipment Co. | Ventilation system for isolators |
| CN201492408U (en) * | 2009-06-17 | 2010-06-02 | 北京大学第三医院 | Animal photo damage device |
| CN202446290U (en) * | 2012-01-18 | 2012-09-26 | 江苏省苏北人民医院 | Retinal light injury experiment box |
| CN103211581A (en) * | 2013-04-19 | 2013-07-24 | 温州医学院 | Temperature-and-illumination-controllable type retinal photo-injury quantitative research device |
| CN203634291U (en) * | 2013-12-20 | 2014-06-11 | 江苏省人民医院 | Light injury experiment apparatus |
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| CN103876840A (en) | 2014-06-25 |
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Inventor after: Xie Ping Inventor after: Bian Zheng Inventor after: Mao Pingan Inventor after: Su Tu Inventor after: Fang Yuan Inventor after: Zheng Xinhua Inventor after: Liu Qinghuai Inventor before: Liu Qinghuai Inventor before: Su Tu Inventor before: Fang Yuan Inventor before: Xie Ping |
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