CN203259715U - Medical ultrathin film viewing lamp - Google Patents
Medical ultrathin film viewing lamp Download PDFInfo
- Publication number
- CN203259715U CN203259715U CN 201320284775 CN201320284775U CN203259715U CN 203259715 U CN203259715 U CN 203259715U CN 201320284775 CN201320284775 CN 201320284775 CN 201320284775 U CN201320284775 U CN 201320284775U CN 203259715 U CN203259715 U CN 203259715U
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- Prior art keywords
- light guide
- guide plate
- film viewing
- viewing lamp
- thin film
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Abstract
The utility model discloses a medical ultrathin film viewing lamp. The medical ultrathin film viewing lamp comprises a frame body, and a frosted plate, a light guide plate and reflective film which are fixedly arranged inside the frame body in sequence from the front surface to the back surface, wherein LED surface-mounted lamps are symmetrically arranged on the left and right sides or upper and lower sides of the light guide plate, and the length of the LED surface-mounted lamps is matched with that of the light guide plate. By adopting the side luminous lighting technology of combining the LED with the light guide plate, the brightness uniformity of the film viewing lamp is substantially improved, and the problem of insufficient brightness uniformity of the film viewing lamp is completely solved. The medical ultrathin film viewing lamp adopts the LEDs as the lighting source so as to make the thickness of the film viewing lamp less than 10mm, has simple and beautiful appearance, is not limited in the manufacturing size, and has great flexibility.
Description
Technical field
The present invention relates to a kind of viewbox, relate in particular to a kind of luminous uniform new medical ultra-thin film viewing illuminator.
Background technology
Present stage, the radiograph egative film that domestic hospitals generally uses, CT imaging egative film viewbox mostly are traditional box typed structure, have following defective:
The uniformity of illuminance deficiency is greatest problem, can cause the information that the contrast less partly records on radiograph egative film or the CT imaging egative film fully not show, this part is the key message that need to observe of doctor often, so occur easily failing to pinpoint a disease in diagnosis or the situation of mistaken diagnosis; The light source of box-type viewbox is daylight lamp, and its power consumption is large, the life-span short, so use and the maintenance cost height; The box-type viewbox can only Alternating Current Power Supply, and box sizes is subject to the size of fluorescent tube self, and is generally larger, and unfavorable carrying and carrying can not be worked in the field environment that does not have civil power.
Made research for overcoming a lot of people of the problems referred to above, for example Chinese patent 200720095144.5 discloses a kind of ultra-thin medical piece-looking lamp, it adopts cold-cathode fluorescence lamp or LED luminotron group is light source, adopt the backlight illuminating system structure, make product have the characteristics such as high brightness, stable luminescence, flicker free.But the back light system that this patent increases has increased cost of manufacture, does not also solve this key issue of luminance uniformity.
Summary of the invention
The technical problems to be solved in the utility model is to provide that a kind of brightness is even, body is ultra-thin, is easy to carry, the life-span is long, the low medical piece-looking lamp of cost, to solve the weak point of existing product.
The technical matters that the utility model solves can be achieved through the following technical solutions:
A kind of medical ultra-thin film viewing illuminator, comprise framework, be fixedly installed on successively the frosted plate of framework inside by the front to the back side, light guide plate and reflective membrane, in the described light guide plate left and right sides or up and down both sides are symmetrically arranged with respectively the LED SMD lamp, and described LED SMD lamp length and light guide plate are complementary.
Described frosted plate is acrylic frosted plate or ground glass.
The back side of described light guide plate is provided with scattering netted dot, and the distribution mode of described scattering netted dot is local sparse near described LED SMD lamp, local dense away from described LED SMD lamp.
Described reflective membrane is the reflective membrane that pastes at the light guide plate back.
Described LED SMD lamp is powered by power supply adaptor through the DC interface that is arranged on the framework downside.
Owing to adopt technique scheme, the advantage that the utlity model has:
1. adopt the side luminous lighting technology of LED in conjunction with light guide plate, significantly improved the luminance uniformity of viewbox, thoroughly solved the problem of viewbox uniformity coefficient deficiency.
2. adopt LED as lighting source, so that the thickness of viewbox can be less than 10mm, profile is succinctly attractive in appearance, and is also unrestricted on manufactured size, has very large dirigibility.
3.LED power supply mode is flexible, both can use civil power by power supply adaptor, also can directly use direct supply.
4.LED the life-span is long, energy consumption is low, need not frequent, reduced the operation and maintenance cost; Without stroboscopic, doctor's eyes are not easy fatigue.
Description of drawings
Fig. 1 is the structural representation of the medical ultra-thin film viewing illuminator of the utility model;
Figure 2 shows that medical ultra-thin film viewing illuminator cross section structure synoptic diagram of the present utility model.
Embodiment
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with drawings and embodiments.
As shown in Figure 1, 2, medical ultra-thin film viewing illuminator of the present utility model comprises DC interface 6 and the power supply adaptor 7 of framework 1, frosted plate 2, light guide plate 3, LED surface-mounted light bar 4, reflective membrane 5, LED SMD lamp.Wherein, framework 1 is made for materials such as wooden, acrylic or metals, and it is in order to fixing with frosted plate 2, light guide plate 3, LED SMD lamp 4 and reflective membrane 5 and consist of the peripheral outward appearance of medical ultra-thin film viewing illuminator.
Specifically, framework 1 inside is fixedly installed frosted plate 2, light guide plate 3, reflective membrane 5 successively by the front to the back side, be respectively arranged with LED SMD lamp 4 in described light guide plate 3 left and right sides, described LED SMD lamp surface is planar structure, its length and light guide plate are complementary, described LED SMD lamp is connected with power supply adaptor 7 by the DC interface 6 that is arranged on the framework downside, also can directly connect the direct current energy supply, and this energy-provision way has improved its ease of use.Simultaneously, the LED SMD lamp is pasted dual-side in light guide plate, it is minimum on volume impact of seeing the lamp sheet, and light guide plate and framework contact with the LED SMD lamp simultaneously, can help its heat radiation, increase the service life.
The back surfaces of light guide plate has specific dimensions, specific density, according to certain rule distribution array formula scattering netted dot, after light that the LED SMD lamp sends enters light guide plate from the side, incide the light part of light guide plate inside through the transmission of light guide plate upper surface, a part transmits light guide plate first again after the scattering netted dot scattering of bottom surface of light guide plate, incide bottom surface of light guide plate scattering point other light in addition total reflection can occur in light guide plate, then the generation scattering transmits light guide plate after running into scattering netted dot, and these light are at last entirely by the outgoing of frosted plate.Preferably the distribution mode of the scattering netted dot on the described light guide plate is: local sparse near described luminescence component, local dense away from described luminescence component is to reach luminous even purpose.
Only be preferred implementation of the present utility model by the above; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. medical ultra-thin film viewing illuminator, it is characterized in that, comprise framework, be fixedly installed on successively the frosted plate of framework inside by the front to the back side, light guide plate and reflective membrane, in the described light guide plate left and right sides or up and down both sides are symmetrically arranged with respectively the LED SMD lamp, and described LED SMD lamp length and width and light guide plate are complementary.
2. medical ultra-thin film viewing illuminator as claimed in claim 1, it is characterized in that: described frosted plate is acrylic frosted plate or ground glass.
3. medical ultra-thin film viewing illuminator as claimed in claim 1, it is characterized in that: the back side of described light guide plate is provided with scattering netted dot, the distribution mode of described scattering netted dot is local sparse near described LED SMD lamp, local dense away from described LED SMD lamp.
4. medical ultra-thin film viewing illuminator as claimed in claim 3, it is characterized in that: described reflective membrane is the reflective membrane that pastes at the light guide plate back.
5. each described medical ultra-thin film viewing illuminator of claim 1-4, it is characterized in that: described LED SMD lamp is powered by power supply adaptor through the DC interface that is arranged on the framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284775 CN203259715U (en) | 2013-05-16 | 2013-05-16 | Medical ultrathin film viewing lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320284775 CN203259715U (en) | 2013-05-16 | 2013-05-16 | Medical ultrathin film viewing lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259715U true CN203259715U (en) | 2013-10-30 |
Family
ID=49472266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320284775 Expired - Fee Related CN203259715U (en) | 2013-05-16 | 2013-05-16 | Medical ultrathin film viewing lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259715U (en) |
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2013
- 2013-05-16 CN CN 201320284775 patent/CN203259715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20140516 |