CN201974580U - Amplitude modulation-type light-emitting diode (LED) film viewer - Google Patents
Amplitude modulation-type light-emitting diode (LED) film viewer Download PDFInfo
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- CN201974580U CN201974580U CN2011200774381U CN201120077438U CN201974580U CN 201974580 U CN201974580 U CN 201974580U CN 2011200774381 U CN2011200774381 U CN 2011200774381U CN 201120077438 U CN201120077438 U CN 201120077438U CN 201974580 U CN201974580 U CN 201974580U
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- led matrix
- light source
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- regulator
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Abstract
The utility model discloses an amplitude modulation-type light-emitting diode (LED) film viewer, which comprises an outer frame body, an LED matrix light source, a reflecting film, a diffuser plate, an LED matrix controller and an alternating current-direct current (AC-DC) switching power supply, wherein the outer frame body is provided with the LED matrix light source, the reflecting film and the diffuser plate in sequence from inside to outside; the AC-DC switching power supply is connected with the LED matrix controller; the LED matrix controller is connected with the LED matrix light source; the LED matrix controller comprises a microprocessor, a line controller, a line driver, a row controller and a row driver; one output of the microprocessor is connected to the line interface of the LED matrix light source respectively by the line controller and the line driver; and the other output of the microprocessor is connected to the row interface of the LED matrix light source respectively by the row controller and the row driver. As the amplitude modulation-type LED film viewer has the characteristics of thin appearance structure and light overall weight and is capable of comprehensively eliminating negative effect light, the amplitude modulation-type LED film viewer has higher practicability.
Description
Technical field
The utility model relates to a kind of LED observation lamp, relates in particular to a kind of amplitude modulation LED viewbox of observing X-ray photographs.
Background technology
X-ray photographs is one of main carrier of irradiation image information.The performance that improves the X-ray photographs finder is significant to the accurate report of the correct evaluation of irradiation image photo quality of diagnosis and diagnostic message.
Along with the electric light sources continuous advancement in technology, every index of modern X-ray photographs finder is greatly improved, and for example its brightness all meets or exceeds 3000cd/m2; But along with the raising of brightness, also aggravation of negativ-effect light influence, thus image information recognition rate is reduced, promptly influenced the diagnostic imaging quality.
At present, cropping formula LED viewbox can be eliminated the negativ-effect light influence, but because the mechanical cropping of employing mechanism, cropping formula LED viewbox ubiquity structure is complicated, outward appearance is thicker relatively, the relative heavier shortcoming of complete machine quality, and does not still have the mechanical cropping of report employing mechanism mode and realize several cropping formulas LED viewbox.Yet several X-ray photographs finders but exist the most widely to be used.
The utility model content
In view of the problems referred to above of prior art, the purpose of this utility model provide a kind of simple in structure, practicality is high, can effectively eliminate the amplitude modulation LED viewbox of negativ-effect light.
To achieve these goals, the utility model provides a kind of amplitude modulation LED viewbox, comprise outer framework, LED matrix light source, reflectance coating, diffuser plate, LED matrix controller and AC-DC Switching Power Supply, described outer framework portion's shell thereafter is the aluminium back shroud, it sets gradually described LED matrix light source from inside to outside, reflectance coating, diffuser plate, described AC-DC Switching Power Supply is connected respectively with described LED matrix light source with described LED matrix controller, described LED matrix controller connects described LED matrix light source, it is characterized in that, described LED matrix controller is loaded on the controllerPCB plate, it comprises microprocessor, line control unit, line driver, row controller and row driver, described line control unit is passed through in one tunnel output of described microprocessor successively, line driver is connected to the line interface of described LED matrix light source, described row controller is passed through in another road output of described microprocessor successively, row driver is connected to the row interface of described LED matrix light source, and described LED matrix light source is loaded on the LEDPCB plate.
As preferably, the input end of described microprocessor connects light territory regulator, and described smooth territory regulator comprises at least one group of X amplitude regulator, Y amplitude regulator and/or brightness regulator.
As preferably, described X amplitude regulator, Y amplitude regulator and brightness regulator are connected to the input end of described microprocessor by scrambler.
As preferably, described smooth territory regulator comprises two groups of independently X amplitude regulator, Y amplitude regulator and brightness regulators.
As preferably, have the square orifice that mates with described LED matrix light source on the described reflectance coating, the LED lamp of described LED matrix light source is embedded in the described square orifice.
The beneficial effects of the utility model are: not only kept advantages such as environmental protection, energy-conservation, long-life, and had that surface structure is thin, the lightweight characteristic of complete machine, eliminated negativ-effect light comprehensively, therefore had very high practicality.
Description of drawings
Fig. 1 is the surface structure synoptic diagram of amplitude modulation LED viewbox of the present utility model.
Fig. 2 is the cross-sectional view of amplitude modulation LED viewbox of the present utility model.
Fig. 3 is the control principle figure of the LED matrix light source among Fig. 2.
Fig. 4 is the circuit diagram of the LED matrix light source among Fig. 2.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
In conjunction with Fig. 1 to Fig. 4, the amplitude modulation LED viewbox of present embodiment comprises outer framework 11, LED matrix light source 12, reflectance coating 13, diffuser plate 14, LED matrix controller 16 and AC-DC Switching Power Supply 18, described outer framework 11 its back shell are the aluminium back shroud, it sets gradually described LED matrix light source 12 from inside to outside, reflectance coating 13, diffuser plate 14, described AC-DC Switching Power Supply 18 is connected with described LED matrix controller 16, described LED matrix controller 16 connects described LED matrix light source 12, described LED matrix controller 16 is loaded on the controllerPCB plate, it comprises microprocessor, line control unit, line driver, row controller and row driver, described line control unit is passed through in one tunnel output of described microprocessor successively, line driver is connected to the line interface (Y1 of described LED matrix light source 12, Y2, Ym), described row controller is passed through in another road output of described microprocessor successively, row driver is connected to the row interface (X1 of described LED matrix light source, X2 ..., Xn).
Described AC-DC Switching Power Supply 18 is used for providing direct current to described LED matrix controller 16, and it is luminous to drive described LED matrix light source 12.
Described LED matrix light source 12 is loaded on the LEDPCB plate, is made up of series of LED matrix unit and wiring board, and each LED matrix unit all has specific row and column address.
Usually, have the square orifice that mates with described LED matrix light source on the described reflectance coating 13, the LED lamp of described LED matrix light source is embedded in the described square orifice.Reflectance coating 13 is used to reflect the partial reflection light of diffuser plate and other spurious rays to increase light territory brightness.Light passes diffuser plate 14 and just can form even brightness and preset the light territory.
The input end of described microprocessor connects light territory regulator 17, and described smooth territory regulator 17 comprises at least one group of X amplitude regulator, Y amplitude regulator and/or brightness regulator.Described X amplitude regulator, Y amplitude regulator and brightness regulator are connected to the input end of described microprocessor by scrambler.Specifically have several groups can dispose as required, not corresponding on the same group different light territory is regulated.
The territory of light described in present embodiment regulator 17 comprises two groups of independently X amplitude regulator, Y amplitude regulator and brightness regulators (being the double width amplitude modulation), correspondingly, regulate respectively by two group coding devices,, then regulate by a group coding device if having only one group (being the single width amplitude modulation).Scrambler can have switch.The X-amplitude regulator is used for the left and right amplitude of X-axis, and switches by pressing the scrambler switch; The Y-axis amplitude regulator is used for the upper and lower amplitude of Y-axis, and switches by pressing the scrambler switch; Brightness regulator is used for the brightness of light territory, and by switching unlatching or close luminous by the scrambler switch.Brightness regulation adopts pulse width modulation mode to carry out brightness regulation, drives input end at row control, row and applies the width modulation address signal, changes the voltage difference between LED lamp the two poles of the earth, thereby regulates brightness.
Use the amplitude modulation LED viewbox of present embodiment, can eliminate the negativ-effect light of X-ray photographs finder, go for several X-ray photographs finders, therefore have very high practicality.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (5)
1. amplitude modulation LED viewbox, comprise outer framework, LED matrix light source, reflectance coating, diffuser plate, LED matrix controller and AC-DC Switching Power Supply, described outer framework sets gradually described LED matrix light source from inside to outside, reflectance coating, diffuser plate, described AC-DC Switching Power Supply is connected with described LED matrix controller, described LED matrix controller connects described LED matrix light source, it is characterized in that, described LED matrix controller is loaded on the controllerPCB plate, it comprises microprocessor, line control unit, line driver, row controller and row driver, described line control unit is passed through in one tunnel output of described microprocessor successively, line driver is connected to the line interface of described LED matrix light source, described row controller is passed through in another road output of described microprocessor successively, row driver is connected to the row interface of described LED matrix light source, and described LED matrix light source is loaded on the LEDPCB plate.
2. amplitude modulation LED viewbox according to claim 1 is characterized in that, described smooth territory regulator comprises at least one group of X amplitude regulator, Y amplitude regulator and/or brightness regulator.
3. amplitude modulation LED viewbox according to claim 2 is characterized in that described X amplitude regulator, Y amplitude regulator and brightness regulator are connected to the input end of described microprocessor by scrambler.
4. amplitude modulation LED viewbox according to claim 2 is characterized in that, described smooth territory regulator comprises two groups of independently X amplitude regulator, Y amplitude regulator and brightness regulators.
5. according to the described amplitude modulation LED of one of claim 1 to 4 viewbox, it is characterized in that having the square orifice that mates with described LED matrix light source on the described reflectance coating, the LED lamp of described LED matrix light source is embedded in the described square orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200774381U CN201974580U (en) | 2011-03-22 | 2011-03-22 | Amplitude modulation-type light-emitting diode (LED) film viewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200774381U CN201974580U (en) | 2011-03-22 | 2011-03-22 | Amplitude modulation-type light-emitting diode (LED) film viewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974580U true CN201974580U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200774381U Expired - Fee Related CN201974580U (en) | 2011-03-22 | 2011-03-22 | Amplitude modulation-type light-emitting diode (LED) film viewer |
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| Country | Link |
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| CN (1) | CN201974580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217793A (en) * | 2013-04-28 | 2013-07-24 | 付志民 | Medical image photo observing device |
| CN105511082A (en) * | 2016-01-28 | 2016-04-20 | 钟志敏 | Image film observing device for radiology department |
-
2011
- 2011-03-22 CN CN2011200774381U patent/CN201974580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217793A (en) * | 2013-04-28 | 2013-07-24 | 付志民 | Medical image photo observing device |
| CN105511082A (en) * | 2016-01-28 | 2016-04-20 | 钟志敏 | Image film observing device for radiology department |
| CN105511082B (en) * | 2016-01-28 | 2017-12-15 | 重庆永林机械设备有限公司 | Dept. of radiology's sight sheet devices |
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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: 20110914 Termination date: 20140322 |