CN101303451A - Controllable LED lightness medical film observation lamp house - Google Patents
Controllable LED lightness medical film observation lamp house Download PDFInfo
- Publication number
- CN101303451A CN101303451A CNA2008100706264A CN200810070626A CN101303451A CN 101303451 A CN101303451 A CN 101303451A CN A2008100706264 A CNA2008100706264 A CN A2008100706264A CN 200810070626 A CN200810070626 A CN 200810070626A CN 101303451 A CN101303451 A CN 101303451A
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- light
- calliper rule
- slide calliper
- guide plate
- light guide
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Abstract
The invention discloses a medical film viewing light box with the controllable LED brightness and relates to a film viewing light box, which provides a portable medical film viewing light box with the controllable LED brightness, wherein, the medical film viewing light box has the functions of local super-bright display due to illumination strengthening, local rating, changing light color, and the like, the volume is smaller and thinner, and the LED luminous source replaces the daylight lamp luminous source and the fluorescent light luminous source. The medical film viewing light box of the invention is provided with a light box frame, a luminous source, a light source control circuit, a power supply, a backlight module and a caliper sliding mechanism, wherein, the backlight module, the light source control circuit and the caliper sliding mechanism are fixedly arranged on the light box frame; the backlight module is provided with a light guiding plate, a reflective layer, a surrounding reflective layer and a diffuser, wherein, the light guiding plate is provided with a dot structure; the reflective layer is arranged at the bottom face of the light guiding plate; the surrounding reflective layer is arranged around the light guiding plate; the diffuser is covered on the upper surface of the light guiding plate; the LED luminous source is arranged at the side face of the light guiding plate and respectively connected with the light source control circuit and the power supply; additionally, the caliper sliding mechanism is arranged on the upper surface of the diffuser.
Description
Technical field
The utility model relates to a kind of film and watches lamp box, especially relate to a kind of controllable LED lightness, luminous soft evenly, do not glimmer, frivolous medical film observation lamp house.
Technical background
Existing medical film observation lamp house is provided with Lamp case frame, light emitting source, control circuit for light source and power supply, light emitting source generally uses daylight lamp or cold-cathode fluorescence lamp, the shortcoming of these light sources be volume greatly, big, the highly energy-consuming of not environmental protection, power, life-span be short, and can not regulate the luminosity and the colourity of observing according to the sensitization coefficient of film, the sharpness of image, under-exposure during for film making, poor, the not good waste that then causes film of observing effect of the quality of image.
Notification number is that the utility model patent of CN2572425 discloses a kind of medical X-ray film film viewing light box, comprise casing, translucent material sheet, tubular light source, also be provided with the light guide plate made from pmma material, the light guide plate that pmma material is made is packed on the casing, translucent material sheet is positioned at the light guide plate front and constitutes the film viewing screen curtain, tubular light source is parallel to be installed in the casing of light guide plate side symmetrically, and the back of light guide plate is provided with opaque reflective structure.This utility model makes the casing attenuation owing to the parallel symmetry of tubular light source is located in the casing of the light guide plate side that pmma material makes, smaller volume, so easy to carry; And because the light that sends of tubular light source is concentrated, light arrives the film viewing screen curtain by light guide plate and has saved luminous energy, so its tubular light source do not need very big power, has saved electric energy.
Notification number is that the utility model patent of CN2373815 discloses a kind of medical high brightness image lamp box; comprise lamp box, fluorescent tube and screen; be provided with the reflector of dovetail groove shape in the lamp box; fluorescent tube is arranged in reflector; lamp box case mouth is provided with clamping edge and strip elastic body; be provided with the glass protection screen before the screen; have that brightness height, homogeneity and diffusivity are good, film is inserted and is got conveniently, advantages such as clamping is firm, screen is smooth, cleaning; suit as various films, especially lamp box such as the observation of kilovolt sheet, sense embolium, laser sheet and teaching.
Notification number provides a kind of intensity adjustable X line film film viewing light box for the utility model patent of CN2426987, it comprises a casing, fluorescent tube, rectifier and switch, wherein be provided with a framework in the casing, framework is provided with light guide plate and transparent material, fluorescent tube has a reflection shield, this reflection shield is configured on the regulating device of an adjustable-angle, it can make the adjustable brightness of X line film film viewing light box, and owing to adopt light guide plate, make reflection ray even, it is little to take up room, simple in structure, not only can make its lamp box slimming, and cost is low, easy to operate.
Notification number is used to observe films such as X-ray film, magnetic resonance sheet, CT sheet for the utility model patent of CN2648467 provides a kind of medical film viewing light box when clinical diagnosis.It is made of casing, poly (methyl methacrylate) plate, spring bearer plate, spring supporting bar, supporting traverse, spring, fluorescent tube, switch, handle.Poly (methyl methacrylate) plate is sleeved in the last low groove of casing front, and the poly (methyl methacrylate) plate top of casing the inside has two spring bearer plates to push respectively in the above, and the width of the clamping plate that connects on the edge of spring bearer plate and casing top panel protrusion is identical.But the poly (methyl methacrylate) plate pull removes and installs easily, and maintenance or replacing fluorescent tube are convenient, not fragile poly (methyl methacrylate) plate.
Summary of the invention
The objective of the invention is to big at the existing function singleness of existing medical sight sheet case, volume, use light source to contain defectives such as mercury, purposes is narrow, provide the energy saving and environment friendly LED semiconductor light emitting of a kind of usefulness source to replace existing daylight lamp or cold-cathode fluorescent lamp source, the function such as photochromic that has that the part adds that the intense light irradiation superbright shows, the part fixes, can change lamp box, make whole volume-diminished attenuation, portable controllable LED lightness medical film observation lamp house.
The present invention is provided with Lamp case frame, light emitting source, control circuit for light source and power supply, also is provided with module backlight and slide calliper rule slide mechanism, and module backlight, control circuit for light source and slide calliper rule slide mechanism are installed on the Lamp case frame; Module backlight is provided with light guide plate, reflection horizon, peripheral reflection horizon and scattering sheet, and light guide plate is provided with lattice point structure, and bottom surface of light guide plate is located in the reflection horizon, and the light guide plate periphery is located in peripheral reflection horizon, and scattering sheet covers the light guide plate upper surface; Light emitting source is the LED light emitting source, and the LED light emitting source is located at the light guide plate side surface, and the LED light emitting source is connected with power supply with control circuit for light source respectively; The slide calliper rule slide mechanism is located at the upper surface of scattering sheet (film viewing screen), the slide calliper rule slide mechanism is provided with slide calliper rule (or going up vernier), following slide calliper rule (or following vernier) and slide mechanism, one end of last slide calliper rule and following slide calliper rule is connected with slide mechanism, last slide calliper rule are located at down on the slide calliper rule, form the dislocation of three dimensions vertical direction and plane and arrange.
Last slide calliper rule are preferably the slide calliper rule that are provided with scale, preferably are provided with light source on the following slide calliper rule, and light source can adopt paster type light emitting type (SMD), and the best ordered distribution of light source is being played on the slide calliper rule and formed band light source.
Light guide plate is optional with high acryl (PMMA), the polycarbonate transparent materials such as (PC) of light refractive index, and light guide plate preferably becomes to be obliquely installed with scattering sheet, the many particulates not of uniform size of dense distribution on the light guide plate.Reflection horizon and peripheral reflection horizon are the opaque film of several micron thickness of making of high optical reflectivity material, reach the high-performance optical reflex.Scattering sheet can adopt polyethylene terephthalate (PET) to make film, and scattering sheet penetrates angle with light and spreads apart, and increases light-emitting area and improves positive briliancy and the expansion visual angle.
The LED light emitting source can be selected from least 2 white light LEDs electroluminescent lamps or at least 2 group three-primary color LED electroluminescent lamps.
Can be provided with the stealthy grid of X-Y on the light guide plate, indicate X:1 respectively, 2,3,4.......; Y:A, B, C, D.......
Opaque reflective membrane can be adopted in the periphery reflection horizon, and reflective membrane encases the peripheral side of light guide plate.
Compare with existing medical film film viewing light box, the present invention has unique novel, frivolous structural design.On existing observation lamp house basis, light emitting source in the observation lamp house (daylight lamp or cold-cathode fluorescence lamp) is replaced with LED semiconductor light emitting source, adopt a plurality of white light LEDs electroluminescent lamps or organize the three-color LED electroluminescent lamp more to replace original daylight lamp or cold-cathode fluorescence lamp light emitting source.
The both positive and negative polarity of LED illumination light source unit group can divide into groups to connect or whole the connection as required.The grouping connection is meant a plurality of LED illumination light source unit is divided into some groups that every group by the control end that connects power control circuit after the polarity connection; The whole connection is meant the control end that connects power control circuit after all LED illumination light source unit connect by polarity.No matter be that grouping connects or whole the connection, working power is low-voltage dc power supply (Switching Power Supply), luminous evenly, stable, do not dodge frequently; And the power by control circuit control LED light emitting source obtains the illuminance scalable.
Description of drawings
Fig. 1 is the surface structure synoptic diagram of the embodiment of the invention.
Fig. 2 is the STRUCTURE DECOMPOSITION synoptic diagram of the embodiment of the invention.
Fig. 3 is the last slide calliper rule of the embodiment of the invention and the structure for amplifying synoptic diagram of following slide calliper rule.
Fig. 4 is the LED light emitting source STRUCTURE DECOMPOSITION synoptic diagram of the embodiment of the invention.
Fig. 5 is that the LED light emitting source grouping of the embodiment of the invention connects (parallel connection) circuit composition schematic diagram.In Fig. 5, resistance R is connected with the LED of parallel connection.
Fig. 6 is that whole (series connection) circuit that connects of the LED light emitting source of the embodiment of the invention is formed schematic diagram.In Fig. 6, resistance R 1～R6 is connected with the LED of series connection respectively.
Embodiment
Referring to Fig. 1～4, the embodiment of the invention is provided with Lamp case frame 1, slide calliper rule slide mechanism (being made up of slide calliper rule 4 under slide mechanism 2, last slide calliper rule 3 and the band lamp), module backlight (being made up of scattering sheet 5, light guide plate 6, peripheral reflection horizon 7 and reflection horizon 8), holding screw 9, LED light emitting source 10, control circuit for light source 11 and power supply (not drawing in the drawings).Module backlight, control circuit for light source 11 and slide calliper rule slide mechanism are installed on the Lamp case frame 1.Scattering sheet 5 adopts polyethylene terephthalate (PET) film, and scattering sheet 5 penetrates angle with light and spreads apart, and increases light-emitting area and improves positive briliancy and the expansion visual angle.Light guide plate 6 is provided with lattice point structure, and light guide plate 6 is provided with the stealthy grid of X-Y, indicates X:1 respectively, and 2,3,4.......; Y:A, B, C, D.......Light guide plate 6 bottom surfaces are located in reflection horizon 8, and reflective membrane is adopted in reflection horizon 8; Light guide plate 6 peripheries are located in periphery reflection horizon 7, and reflective membrane is adopted in peripheral reflection horizon 7, and reflective membrane encases the side of light guide plate 6.Scattering sheet 5 covers light guide plate 6 upper surfaces, to improve brightness and homogeneity backlight.LED light emitting source 10 is located at light guide plate 6 side surfaces, and LED light emitting source 10 is connected with control circuit for light source 11, and external power supply.The slide calliper rule slide mechanism is located at scattering sheet 5 upper surfaces, and an end of last slide calliper rule 3 and following slide calliper rule 4 is connected with slide mechanism 2, and last slide calliper rule 3 are located at down on the slide calliper rule 4.The last slide calliper rule 3 and the following slide calliper rule 4 of slide calliper rule slide mechanism are provided with scale, and following slide calliper rule 4 are provided with paster type light emitting type (SMD) light source and form band light source.
Referring to Fig. 5 and 6, LED light emitting source 10 adopts a plurality of white light LEDs electroluminescent lamps or organizes the three-primary color LED electroluminescent lamp more and replaces original daylight lamp or cold-cathode fluorescence lamp light emitting source.The both positive and negative polarity of LED illumination light source unit group is divided into groups to connect or whole the connection as required.Grouping connects (referring to Fig. 5) and is meant a plurality of LED illumination light source unit are divided into some groups, every group of control end that connects power control circuit after connecting by polarity, and in Fig. 5, resistance R is connected with the LED of parallel connection.Whole connect (referring to Fig. 6) is meant the control end that connects power control circuit after all LED illumination light source unit connect by polarity.No matter be that grouping connects or whole the connection, working power is low-voltage dc power supply (Switching Power Supply), and obtains the illuminance scalable by the power of control circuit control LED light emitting source, and in Fig. 6, resistance R 1～R6 is connected with the LED of series connection respectively.
The adjusting of the working current of the brightness of led light source and chrominance passband control circuit for light source realizes controlled purpose.The polarity method of attachment of power control circuit, led light source and structure-design technique all can adopt existing backlight technology to reach, and do not do detailed description at this.The slide calliper rule slide mechanism moves along X-direction by " fourth " font slide calliper rule (vernier) look-out station is accurately located, and this technology can reach with the existing mechanical drive technology, does not do detailed description at this.
Claims (10)
1. controllable LED lightness medical film observation lamp house, it is characterized in that being provided with Lamp case frame, light emitting source, control circuit for light source and power supply, also be provided with module backlight and slide calliper rule slide mechanism, module backlight, control circuit for light source and slide calliper rule slide mechanism are installed on the Lamp case frame; Module backlight is provided with light guide plate, reflection horizon, peripheral reflection horizon and scattering sheet, and light guide plate is provided with lattice point structure, and bottom surface of light guide plate is located in the reflection horizon, and the light guide plate periphery is located in peripheral reflection horizon, and scattering sheet covers the light guide plate upper surface; Light emitting source is the LED light emitting source, and the LED light emitting source is located at the light guide plate side surface, and the LED light emitting source is connected with power supply with control circuit for light source respectively; The slide calliper rule slide mechanism is located at the upper surface of scattering sheet, the slide calliper rule slide mechanism is provided with slide calliper rule, following slide calliper rule and slide mechanism, one end of last slide calliper rule and following slide calliper rule is connected with slide mechanism, and last slide calliper rule are located at down on the slide calliper rule, forms the dislocation of three dimensions vertical direction and plane and arranges.
2. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that slide calliper rule are the slide calliper rule that are provided with scale, and following slide calliper rule are the slide calliper rule that are provided with scale.
3. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that slide calliper rule are provided with light source down.
4. controllable LED lightness medical film observation lamp house as claimed in claim 3 is characterized in that light source is a paster type light emitting type, and the light source ordered distribution is being played on the slide calliper rule and formed band light source.
5. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that light guide plate is acryl light guide plate or polycarbonate light guide plate.
6. as claim 1 or 5 described controllable LED lightness medical film observation lamp houses, it is characterized in that light guide plate becomes to be obliquely installed with scattering sheet, the many particulates not of uniform size of dense distribution on the light guide plate.
7. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that reflection horizon and peripheral reflection horizon are the opaque film of several micron thickness of making of high optical reflectivity material.
8. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that scattering sheet is a pet film.
9. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that the LED light emitting source is selected from least 2 white light LEDs electroluminescent lamps or at least 2 group three-primary color LED electroluminescent lamps.
10. controllable LED lightness medical film observation lamp house as claimed in claim 1 is characterized in that light guide plate is provided with the stealthy grid of X-Y, indicates X:1 respectively, 2,3, and 4.......; Y:A, B, C, D.......
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100706264A CN101303451B (en) | 2008-02-04 | 2008-02-04 | Controllable LED lightness medical film observation lamp house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100706264A CN101303451B (en) | 2008-02-04 | 2008-02-04 | Controllable LED lightness medical film observation lamp house |
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| Publication Number | Publication Date |
|---|---|
| CN101303451A true CN101303451A (en) | 2008-11-12 |
| CN101303451B CN101303451B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100706264A Expired - Fee Related CN101303451B (en) | 2008-02-04 | 2008-02-04 | Controllable LED lightness medical film observation lamp house |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846259A (en) * | 2010-05-31 | 2010-09-29 | 艾迪光电（杭州）有限公司 | LED light mixing device |
| CN104279515A (en) * | 2014-09-23 | 2015-01-14 | 苏州仁捷瑞自动化科技有限公司 | Medical optical film |
| CN104375324A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module and display with the same |
| CN106371215A (en) * | 2016-12-05 | 2017-02-01 | 天津市瑞擎影像材料有限公司 | Composite multifunctional medical image observation lamp box |
| CN111207827A (en) * | 2020-02-20 | 2020-05-29 | 环旭电子股份有限公司 | Debugging method of light intensity calculation model and visible light intensity illuminance value measuring system |
| CN112083577A (en) * | 2020-06-12 | 2020-12-15 | 陈晓文 | Medical image film observation support |
| CN112748579A (en) * | 2020-12-11 | 2021-05-04 | 武汉联影医疗科技有限公司 | Mobile diagnosis film reading equipment and film reading system |
| CN117826429A (en) * | 2024-03-04 | 2024-04-05 | 遂宁市中心医院 | Neurosurgery is with sightseeing lamp house with local demonstration |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2254557Y (en) * | 1995-07-27 | 1997-05-21 | 谭庆雄 | Slide reading light box |
| CN2300954Y (en) * | 1997-07-15 | 1998-12-16 | 鸿友科技股份有限公司 | Improved scanner |
| US6115195A (en) * | 1998-11-20 | 2000-09-05 | Flow X-Ray Corporation | Magnifying method and apparatus for a view box |
| CN2921874Y (en) * | 2006-07-10 | 2007-07-11 | 伟志智能有限公司 | Medical film-viewing lamp |
| CN200956070Y (en) * | 2006-08-31 | 2007-10-03 | 杭州亿奥光电有限公司 | LED film-viewing lamp box |
-
2008
- 2008-02-04 CN CN2008100706264A patent/CN101303451B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846259A (en) * | 2010-05-31 | 2010-09-29 | 艾迪光电（杭州）有限公司 | LED light mixing device |
| CN104279515A (en) * | 2014-09-23 | 2015-01-14 | 苏州仁捷瑞自动化科技有限公司 | Medical optical film |
| CN104375324A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module and display with the same |
| CN106371215A (en) * | 2016-12-05 | 2017-02-01 | 天津市瑞擎影像材料有限公司 | Composite multifunctional medical image observation lamp box |
| CN111207827A (en) * | 2020-02-20 | 2020-05-29 | 环旭电子股份有限公司 | Debugging method of light intensity calculation model and visible light intensity illuminance value measuring system |
| CN111207827B (en) * | 2020-02-20 | 2022-08-26 | 环旭电子股份有限公司 | Debugging method of light intensity calculation model and visible light intensity illuminance value measuring system |
| CN112083577A (en) * | 2020-06-12 | 2020-12-15 | 陈晓文 | Medical image film observation support |
| CN112748579A (en) * | 2020-12-11 | 2021-05-04 | 武汉联影医疗科技有限公司 | Mobile diagnosis film reading equipment and film reading system |
| CN117826429A (en) * | 2024-03-04 | 2024-04-05 | 遂宁市中心医院 | Neurosurgery is with sightseeing lamp house with local demonstration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101303451B (en) | 2010-06-23 |
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