CN204201624U - A kind of LED shadowless lamp with secondary light source - Google Patents
A kind of LED shadowless lamp with secondary light source Download PDFInfo
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- CN204201624U CN204201624U CN201420526172.8U CN201420526172U CN204201624U CN 204201624 U CN204201624 U CN 204201624U CN 201420526172 U CN201420526172 U CN 201420526172U CN 204201624 U CN204201624 U CN 204201624U
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Abstract
Basis is novel relates to a kind of LED shadowless lamp with secondary light source, and comprising: white light LEDs module, the White-light LED chip in white light LEDs module is uniformly distributed on the lamp panel of shadowless lamp; The case of lamp panel is connected with three-color LED shot-light by metal hose; Three-color LED shot-light comprises: three-color LED module, and white light LEDs module is connected with LED drive module respectively with three-color LED module; LED drive module comprises: processor module, and what be connected with this processor module respectively is suitable for driving the monochromatic LED driver element of white light LEDs module and the three-color LED driver element being suitable for driving three-color LED module.Described three-color LED shot-light is connected with lamp panel by a metal hose, can regulating irradiation angle arbitrarily, improves the illumination dead angle of white light LEDs module, and passes through three-color LED module, improve the colour rendering index of illumination, make the color of tissue truer.
Description
Technical field
Basis is novel relates to operation shadowless lamp, particularly relates to a kind of LED shadowless lamp with secondary light source.
Background technology
In the prior art, traditional shadowless lamp irradiates from top to bottom, therefore, in surgical procedure, often occurs that some irradiate blind area, particularly relates in tissue; If because light problem causes surgical error, that consequence is hardly imaginable.
Therefore, need to design a kind of LED shadowless lamp with secondary light source, can irradiate target area is targetedly the technical barrier of this area.
Utility model content
The purpose of this utility model is to provide a kind of LED shadowless lamp with secondary light source, and this shadowless lamp solves traditional shadowless lamp when performing the operation, and there is the technical problem of illumination blind area.
In order to solve the problems of the technologies described above, the utility model provides a kind of LED shadowless lamp with secondary light source, comprising: white light LEDs module, and the White-light LED chip in described white light LEDs module is uniformly distributed on the lamp panel of shadowless lamp; The case of described lamp panel is connected with three-color LED shot-light by metal hose; Described three-color LED shot-light comprises: three-color LED module, and described white light LEDs module is connected with LED drive module respectively with three-color LED module; Described LED drive module comprises: processor module, and what be connected with this processor module respectively is suitable for driving the monochromatic LED driver element of white light LEDs module and the three-color LED driver element being suitable for driving three-color LED module.
Preferably, in order to better realize three color scheme light, described processor module is suitable for output three road PWM toning signal, described three-color LED driver element comprises: the constant-current control module exporting corresponding LED drive current for signal of mixing colours according to each road PWM be connected to described processor module, and is suitable for the row cutting module providing three-color LED module operating voltage; Each row control input end of described three-color LED module is connected with constant-current control module, and each row control input end of described three-color LED module is connected with row cutting module.
Preferably, described constant-current control module comprises three constant-current source chips; In described three-color LED module, the current output terminal of the homochromy each LED in the three-color LED chip of same row is connected rear formation three row common ports as row control input end, and these three row common ports are connected with the constant current end of corresponding constant-current source chip respectively; Form row common port after being connected with the current input terminal of each LED in the three-color LED chip of a line to be connected with the corresponding line control end of row cutting module respectively as described row control input end; Corresponding PWM toning signal is accessed in the PWM control input end of described constant-current source chip.
Preferably, described processor module is suitable for exporting single channel PWM toning signal, and this single channel PWM toning signal inputs to the PWM control input end of constant-current source chip in described monochromatic LED driver element, controls the illumination of described White-light LED chip.
Technique scheme of the present utility model has the following advantages compared to existing technology: the utility model achieves the main illumination of shadowless lamp by white light LEDs module, by three-color LED shot-light as floor light, this three-color LED shot-light is connected with lamp panel by a metal hose, can regulating irradiation angle arbitrarily, improve the illumination dead angle of white light LEDs module, and by three-color LED module, improve the colour rendering index of illumination, make the color of tissue truer.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of operation LED shadowless lamp;
Fig. 2 is the circuit block diagram of LED drive module in operation LED shadowless lamp;
Fig. 3 is the circuit block diagram of described three-color LED driver element;
Fig. 4 is the structural representation of described three-color LED module.
Wherein, white light LEDs module 1, lamp panel 2, three-color LED shot-light 3, three-color LED module 4, metal hose 5, constant-current source chip 6.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Operation principle of the present utility model utilizes white light to mix mutually with three primary colours light, wherein, the color of light and the proportional quantities r (λ) of three primary colours, g (λ), b (λ), satisfy condition r (λ)+g (λ)+b (λ)=1, therefore, three primary colours additive mixing can realize brightness regulation by the pulsewidth changing LED circuit.When white light mixes mutually with three primary colours light, make the color of tissue under shadowless lamp more true, and different light sources can be regulated by three primary colours, such as, blue-light source, this light source can make the visual field of medical worker in operation more clear, eliminate light fixture dazzle.
Fig. 1 shows the structural representation of operation LED shadowless lamp.
Fig. 2 shows the circuit block diagram of LED drive module in operation LED shadowless lamp.
As depicted in figs. 1 and 2, a kind of operation LED shadowless lamp, comprising: a kind of LED shadowless lamp with secondary light source, comprising: white light LEDs module 1, and the White-light LED chip in described white light LEDs module 1 is uniformly distributed on the lamp panel 2 of shadowless lamp; The case of described lamp panel 2 is connected with three-color LED shot-light 3 by metal hose 5; Described three-color LED shot-light 3 comprises: three-color LED module 4, and described white light LEDs module 1 is connected with LED drive module respectively with three-color LED module 4; Described LED drive module comprises: processor module, and what be connected with this processor module respectively is suitable for driving the monochromatic LED driver element of white light LEDs module 1 and the three-color LED driver element being suitable for driving three-color LED module 4.
Concrete, described three-color LED shot-light 3 can regulating irradiation angle and highly arbitrarily, makes it aim at irradiation target, particularly three-color LED shot-light have employed three-color LED module 6, and wherein, three looks are three primary colours, make the color of tissue more true, achieve high color rendering index (CRI) illumination.
Wherein, described processor module comprises the PWM control output end of multiple glow color brightness in order to regulate corresponding LED be connected to the PWM control input end of each constant-current source chip respectively; This processor module equally also can adopt FPGA or ARM to export PWM and also realize same function; And producing pwm control signal by processor module is also a common function in single-chip microcomputer, all open in numerous documents, discusses no longer in detail here.
Fig. 3 shows the circuit block diagram of described three-color LED driver element.
As shown in Figure 3, described processor module is suitable for output three road PWM toning signal, described three-color LED driver element comprises: the constant-current control module exporting corresponding LED drive current for signal of mixing colours according to each road PWM be connected to described processor module, and is suitable for the row cutting module providing three-color LED module operating voltage; Each row control input end of described three-color LED module is connected with constant-current control module, and each row control input end of described three-color LED module is connected with row cutting module.Described operating voltage is provided by dc source.
Fig. 4 shows the structural representation of described three-color LED module.
As shown in Figure 4, described constant-current control module comprises three constant-current source chips 6; In described three-color LED module, the current output terminal of the homochromy each LED in the three-color LED chip of same row is connected rear formation three row common ports as row control input end, and these three row common ports are connected with the constant current end of corresponding constant-current source chip 6 respectively; Form row common port after being connected with the current input terminal of each LED in the three-color LED chip of a line to be connected with the corresponding line control end of row cutting module respectively as described row control input end; Corresponding PWM toning signal is accessed in the PWM control input end of described constant-current source chip 6.Described row cutting module can be connected the operating voltage obtaining three-color LED module 4 with dc source.
Described processor module is suitable for exporting single channel PWM toning signal, and this single channel PWM toning signal inputs to the PWM control input end of constant-current source chip in described monochromatic LED driver element, controls the illumination of described White-light LED chip.
Described constant-current source chip 6 can adopt NUD4001 family chip or MBI5035 chip.
Should be understood that, above-mentioned detailed description of the invention of the present utility model only for exemplary illustration or explain principle of the present utility model, and is not formed restriction of the present utility model.Therefore, any amendment made when not departing from spirit and scope of the present utility model, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.In addition, the utility model claims be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (4)
1. with a LED shadowless lamp for secondary light source, it is characterized in that, comprising: white light LEDs module, the White-light LED chip in described white light LEDs module is uniformly distributed on the lamp panel of shadowless lamp;
The case of described lamp panel is connected with three-color LED shot-light by metal hose;
Described three-color LED shot-light comprises: three-color LED module,
Described white light LEDs module is connected with LED drive module respectively with three-color LED module;
Described LED drive module comprises: processor module, and what be connected with this processor module respectively is suitable for driving the monochromatic LED driver element of white light LEDs module and the three-color LED driver element being suitable for driving three-color LED module.
2. the LED shadowless lamp with secondary light source according to claim 1, is characterized in that, described processor module is suitable for output three road PWM toning signal,
Described three-color LED driver element comprises: the constant-current control module exporting corresponding LED drive current for signal of mixing colours according to each road PWM be connected to described processor module, and is suitable for the row cutting module providing three-color LED module operating voltage;
Each row control input end of described three-color LED module is connected with constant-current control module,
Each row control input end of described three-color LED module is connected with row cutting module.
3. the LED shadowless lamp with secondary light source according to claim 2, is characterized in that, described constant-current control module comprises three constant-current source chips;
In described three-color LED module, the current output terminal of the homochromy each LED in the three-color LED chip of same row is connected rear formation three row common ports as row control input end, and these three row common ports are connected with the constant current end of corresponding constant-current source chip respectively; Form row common port after being connected with the current input terminal of each LED in the three-color LED chip of a line to be connected with the corresponding line control end of row cutting module respectively as described row control input end;
Corresponding PWM toning signal is accessed in the PWM control input end of described constant-current source chip.
4. the LED shadowless lamp with secondary light source according to claim 3, it is characterized in that, described processor module is suitable for exporting single channel PWM toning signal, this single channel PWM toning signal inputs to the PWM control input end of constant-current source chip in described monochromatic LED driver element, controls the illumination of described White-light LED chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526172.8U CN204201624U (en) | 2014-09-10 | 2014-09-10 | A kind of LED shadowless lamp with secondary light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526172.8U CN204201624U (en) | 2014-09-10 | 2014-09-10 | A kind of LED shadowless lamp with secondary light source |
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| CN204201624U true CN204201624U (en) | 2015-03-11 |
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| CN201420526172.8U Expired - Fee Related CN204201624U (en) | 2014-09-10 | 2014-09-10 | A kind of LED shadowless lamp with secondary light source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287519A (en) * | 2016-08-25 | 2017-01-04 | 太仓市普利照明电器有限公司 | A kind of multiplex non-shadow illuminating apparatus for laboratory table and method of work thereof |
| CN108105647A (en) * | 2017-12-20 | 2018-06-01 | 西安智盛锐芯半导体科技有限公司 | Intelligent LED shot-light |
| CN108332135A (en) * | 2018-01-30 | 2018-07-27 | 李江鸿 | A kind of novel department of stomatology headlamp |
-
2014
- 2014-09-10 CN CN201420526172.8U patent/CN204201624U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287519A (en) * | 2016-08-25 | 2017-01-04 | 太仓市普利照明电器有限公司 | A kind of multiplex non-shadow illuminating apparatus for laboratory table and method of work thereof |
| CN108105647A (en) * | 2017-12-20 | 2018-06-01 | 西安智盛锐芯半导体科技有限公司 | Intelligent LED shot-light |
| CN108332135A (en) * | 2018-01-30 | 2018-07-27 | 李江鸿 | A kind of novel department of stomatology headlamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180910 |