CN109958887A - Operation shadowless lamp color temperature adjusting system - Google Patents
Operation shadowless lamp color temperature adjusting system Download PDFInfo
- Publication number
- CN109958887A CN109958887A CN201711418662.0A CN201711418662A CN109958887A CN 109958887 A CN109958887 A CN 109958887A CN 201711418662 A CN201711418662 A CN 201711418662A CN 109958887 A CN109958887 A CN 109958887A
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- Prior art keywords
- light source
- led light
- triode
- illumination
- lamp cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000005286 illumination Methods 0.000 claims abstract description 30
- 239000003086 colorant Substances 0.000 claims abstract description 10
- 241000239290 Araneae Species 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 6
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 claims description 5
- 239000011324 bead Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
Abstract
The present invention discloses a kind of operation shadowless lamp color temperature adjusting system, including at least one lamp cap, lamp cap includes lamp cap spider and multiple lamp cap blades, multiple LED light source components are mounted on lamp cap spider and lamp cap blade, each LED light source component includes lens, LED light source and the light source mounting plate in stage body, and LED light source is encapsulated by the LED wafer of multiple and different colors;The system further include control panel, controller and with the one-to-one driving circuit of each LED light source, control panel is equipped with illumination and adjusts control key and color temperature adjustment control key, and the corresponding relationship of illumination range and colour temperature is stored in controller;Controller receives the illumination adjusting control signal that control panel transmits, and inquiry illumination adjusts the corresponding colour temperature of control signal, and generates corresponding colour temperature pwm pulse signal and be transmitted to each driving circuit, and driving circuit drives the adjusting of corresponding LED light source progress colour temperature.
Description
Technical field
The present invention relates to medical operation shadowless lamp technical fields, more particularly to a kind of operation shadowless lamp color temperature adjustment system
System.
Background technique
Shadowless lamp is a kind of Medical Devices for illuminating operative site, for observation in performing the operation in notch and body cavity
The low object of the small of different depth, contrast.Since the head, hand and instrument of operator may cause to do to operative site
Shade is disturbed, and operation shadowless lamp can eliminate shade as far as possible, and can minimize color distortion, guarantee that performer can be clear
The case where seeing organ, tissue and the blood vessel of operation inner cavity clearly, and seeing inner cavity deep clearly, so shadowless lamp is hospital surgical
Room must use equipment, and important illuminating effect is played during surgical.But it is existing using LED as the shadowless lamp of light source
Colour temperature, cir value and R9 change as illumination increases or decreases.
Summary of the invention
The present invention is in view of the problems of the existing technology and insufficient, provides a kind of operation shadowless lamp color temperature adjusting system.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of operation shadowless lamp color temperature adjusting system, which includes at least one lamp cap, the lamp cap packet
Lamp cap spider and multiple lamp cap blades are included, it is characterized in that, it is mounted on the lamp cap spider and the lamp cap blade multiple
Polychrome light mixing LED light source component, each LED light source component include one in the lens of stage body, a LED light source and light source installation
Plate, the LED light source are fixed on the light source mounting plate, which is encapsulated by the LED wafer of multiple and different colors, should
The bottom end of lens offers the groove for accommodating the LED light source, positioned at the top of the middle position of the groove in the lens
Columned hollow region is offered, which is placed in the middle position in the groove;
The system further include control panel, controller and with the one-to-one driving circuit of each LED light source, the control
The illumination that the illumination for adjusting the operation shadowless lamp for user is provided on panel adjusts control key and should for adjusting for user
The color temperature adjustment control key of the colour temperature of operation shadowless lamp is stored with the one-to-one relationship of illumination range and colour temperature in the controller;
The controller is used to receive the illumination that the control panel transmits and adjusts control signal, inquires the illumination and adjusts control letter
Number corresponding colour temperature, and generate corresponding colour temperature pwm pulse signal and be transferred to each driving circuit, the driving circuit is for driving
Move the adjusting that corresponding LED light source carries out colour temperature.
Preferably, the driving circuit include with the one-to-one driving unit of the LED wafer in corresponding LED light source, should
Driving unit includes first resistor, the first triode, second resistance, the second triode, 3rd resistor, the 4th resistance, the three or three
Pole pipe and capacitor;
One end of the first resistor and controller electrical connection, the other end are electrically connected with the base stage of first triode, should
The collector of first triode by the second resistance connect the first power supply, emitter be grounded, the collector of first triode with
The base stage of second triode is electrically connected, and the collector of second triode connects second source, emitter by the 3rd resistor
The collector of ground connection, second triode is electrically connected by the 4th resistance with the base stage of the third transistor, the three or three pole
The collector of pipe connects second source by the capacitor, emitter is grounded, the collector of the third transistor and corresponding LED wafer
Electrical connection.
Preferably, first triode and second triode are NPN triode.
Preferably, the third transistor is N-channel depletion type MOS tube.
Preferably, the side of the hollow region and the angle of perpendicular are 8~15 degree.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
The LED light source of the multi-colored led wafer overall package of the present invention provides the light beam of multiple colors.Since LED light source is whole
Body encapsulation, so solving existing seperated polychrome LED light source due to the big light mixing effect difference of each color spacing and bulky lacking
Point.
The light source that lens are used for the mixing of multicolour light beam and the light focusing of diverging is required at suitable shadowless lamp.Due to making
Can play the role of mixing multicolour light beam with the lens of special design can change the light distribution of LED again, make the light of finished product lamp
Distribution meets shadowless lamp requirement.The lens are that the secondary optics that first collection dissipates after remixing utilize, left using 8 degree of -15 degree
Right low-angle dissipates after being collected mixing, can improve the efficiency of LED beam, can obtain most lumen value, therefore single
The illumination of light bulb be 2 to 3 times or more.
All light beams that LED is issued can be captured by lens, and all light beams can adequately be mixed in lens
(reflection) and (refraction) is focused, greatly improves the utilization efficiency of light beam, and accomplished the minimum of volume.
Due to just being mixed to the light beam of multiple colors in lens, so also avoiding using multiple color LED
As light source, the shadowless lamp that light mixing is carried out outside lamp cap causes various colors light beam that cannot be sufficiently mixed vulnerable to external disturbance
Make the disadvantage that colour temperature is unstable.
The present invention user adjust illumination when, if adjust these illumination in the same illumination range, then nothing of performing the operation
The colour temperature of shadow lamp will not change, and the illumination for avoiding operation shadowless lamp has the colour temperature without shadow of performing the operation when slight variation just to follow
The drawbacks of variation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the LED light source component of present pre-ferred embodiments.
Fig. 2 is the structural schematic diagram of the lens light mixing of present pre-ferred embodiments.
Fig. 3 and 4 is the circuit diagram of the driving circuit of present pre-ferred embodiments.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present embodiment provides a kind of operation shadowless lamp color temperature adjusting system, which includes at least one lamp cap, the lamp cap
Including lamp cap spider and multiple lamp cap blades, multiple polychrome light mixings are mounted on the lamp cap spider and the lamp cap blade
LED light source component.As illustrated in fig. 1 and 2, each LED light source component include one be in stage body lens 1, a LED light source 2 and one
Light source mounting plate 3, the LED light source 2 are fixed on the light source mounting plate 3, the LED light source 2 by multiple and different colors LED wafer
It encapsulates, the bottom end of the lens 1 offers the groove 11 for accommodating the LED light source 2, and the groove 11 is located in the lens 1
Middle position above offer columned hollow region 12, the side of the hollow region 12 and the angle of perpendicular
It is 8~15 degree, which is placed in the middle position in the groove 11.
The system further include control panel, controller and with the one-to-one driving circuit of each LED light source, the control
The illumination that the illumination for adjusting the operation shadowless lamp for user is provided on panel adjusts control key and should for adjusting for user
The color temperature adjustment control key of the colour temperature of operation shadowless lamp is stored with the one-to-one relationship of illumination range and colour temperature in the controller.
The controller is used to receive the illumination that the control panel transmits and adjusts control signal, inquires the illumination and adjusts control letter
Number corresponding colour temperature, and generate corresponding colour temperature pwm pulse signal and be transferred to each driving circuit, the driving circuit is for driving
Move the adjusting that corresponding LED light source carries out colour temperature.
Wherein, as shown in Figures 3 and 4, which includes one-to-one with the LED wafer in corresponding LED light source
Driving unit, the driving unit include first resistor, the first triode, second resistance, the second triode, 3rd resistor, the 4th
Resistance, third transistor and capacitor.
One end of the first resistor and controller electrical connection, the other end are electrically connected with the base stage of first triode, should
The collector of first triode by the second resistance connect the first power supply, emitter be grounded, the collector of first triode with
The base stage of second triode is electrically connected, and the collector of second triode connects second source, emitter by the 3rd resistor
The collector of ground connection, second triode is electrically connected by the 4th resistance with the base stage of the third transistor, the three or three pole
The collector of pipe connects second source by the capacitor, emitter is grounded, the collector of the third transistor and corresponding LED wafer
Electrical connection, first triode and second triode are NPN triode, which is N-channel depletion type MOS
Pipe.
It seeing figures 3 and 4, PWM1 to the branch between amber-1 is the driving circuit for adjusting amber lamp bead (LED wafer),
PWM2 is the driving circuit for adjusting amber lamp bead to the branch between uw-1, and PWM3 to the branch between verde-1 is to adjust
The driving circuit of green lamp bead, PWM4 to the branch between cw-1 are the driving circuit for adjusting cool white lamp bead.
In the present embodiment, the LED light source of multi-colored led wafer overall package provides the light beam of multiple colors.Due to LED light source
It is overall package, so solving existing seperated polychrome LED light source since the big light mixing effect difference of each color spacing and volume are big
The shortcomings that.
The light source that lens are used for the mixing of multicolour light beam and the light focusing of diverging is required at suitable shadowless lamp.Due to making
Can play the role of mixing multicolour light beam with the lens of special design can change the light distribution of LED again, make the light of finished product lamp
Distribution meets shadowless lamp requirement.The lens are that the secondary optics that first collection dissipates after remixing utilize, left using 8 degree of -15 degree
Right low-angle dissipates after being collected mixing, can improve the efficiency of LED beam, can obtain most lumen value, therefore single
The illumination of light bulb be 2 to 3 times or more.
All light beams that LED is issued can be captured by lens, and all light beams can adequately be mixed in lens
(reflection) and (refraction) is focused, greatly improves the utilization efficiency of light beam, and accomplished the minimum of volume.
Due to just being mixed to the light beam of multiple colors in lens, so also avoiding using multiple color LED
As light source, the shadowless lamp that light mixing is carried out outside lamp cap causes various colors light beam that cannot be sufficiently mixed vulnerable to external disturbance
Make the disadvantage that colour temperature is unstable.
Moreover, the present invention is when user adjusts illumination, if these illumination adjusted in the same illumination range, then hand
The colour temperature of art shadowless lamp will not change, and avoid the illumination of operation shadowless lamp and perform the operation the colour temperature without shadow just when having slight variation
The drawbacks of following variation.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (5)
1. a kind of operation shadowless lamp color temperature adjusting system, which includes at least one lamp cap, which includes lamp cap spider
With multiple lamp cap blades, which is characterized in that be mounted on multiple polychrome light mixing LED lights on the lamp cap spider and the lamp cap blade
Source component, each LED light source component include one be in stage body lens, a LED light source and a light source mounting plate, the LED light source
It is fixed on the light source mounting plate, which is encapsulated by the LED wafer of multiple and different colors, and the bottom end of the lens is opened
It is offered above the middle position of the groove equipped with the groove for accommodating the LED light source, in the lens cylindric
Hollow region, which is placed in the middle position in the groove;
The system further include control panel, controller and with the one-to-one driving circuit of each LED light source, the control panel
On be provided with the illumination of illumination for adjusting the operation shadowless lamp for user and adjust control key and for adjusting the operation for user
The color temperature adjustment control key of the colour temperature of shadowless lamp is stored with the one-to-one relationship of illumination range and colour temperature in the controller;
The controller is used to receive the illumination that the control panel transmits and adjusts control signal, inquires the illumination and adjusts control signal pair
The colour temperature answered, and generate corresponding colour temperature pwm pulse signal and be transferred to each driving circuit, the driving circuit is for driving pair
The LED light source answered carries out the adjusting of colour temperature.
2. operation shadowless lamp color temperature adjusting system as described in claim 1, which is characterized in that the driving circuit include with it is corresponding
LED light source in the one-to-one driving unit of LED wafer, which includes first resistor, the first triode, second
Resistance, the second triode, 3rd resistor, the 4th resistance, third transistor and capacitor;
One end of the first resistor and controller electrical connection, the other end are electrically connected with the base stage of first triode, this first
The collector of triode connects the first power supply by the second resistance, emitter is grounded, the collector of first triode and this
The base stage of two triodes is electrically connected, and the collector of second triode connects second source by the 3rd resistor, emitter is grounded,
The collector of second triode is electrically connected by the 4th resistance with the base stage of the third transistor, the collection of the third transistor
Electrode connects second source by the capacitor, emitter is grounded, and the collector of the third transistor is electrically connected with corresponding LED wafer
It connects.
3. operation shadowless lamp color temperature adjusting system as claimed in claim 2, which is characterized in that first triode and this second
Triode is NPN triode.
4. operation shadowless lamp color temperature adjusting system as claimed in claim 2, which is characterized in that the third transistor is N-channel
Depletion type MOS tube.
5. operation shadowless lamp color temperature adjusting system as described in claim 1, which is characterized in that the side of the hollow region and perpendicular
The angle of straight plane is 8~15 degree.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711418662.0A CN109958887A (en) | 2017-12-25 | 2017-12-25 | Operation shadowless lamp color temperature adjusting system |
Applications Claiming Priority (1)
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---|---|---|---|
CN201711418662.0A CN109958887A (en) | 2017-12-25 | 2017-12-25 | Operation shadowless lamp color temperature adjusting system |
Publications (1)
Publication Number | Publication Date |
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CN109958887A true CN109958887A (en) | 2019-07-02 |
Family
ID=67020702
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CN201711418662.0A Pending CN109958887A (en) | 2017-12-25 | 2017-12-25 | Operation shadowless lamp color temperature adjusting system |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201995168U (en) * | 2011-01-07 | 2011-09-28 | 浙江晶日照明科技有限公司 | Light emitting diode (LED) spot light capable of automatically regulating color temperature |
US20120250309A1 (en) * | 2011-03-30 | 2012-10-04 | Innovative Lighting, Inc. | LED Lighting Fixture with Reconfigurable Light Distribution Pattern |
CN204665026U (en) * | 2015-06-01 | 2015-09-23 | 上海汇丰医疗器械有限公司 | Operation shadowless lamp |
CN206093703U (en) * | 2016-08-30 | 2017-04-12 | 上海菲歌特医疗科技有限公司 | Shadowless lamp |
CN206210358U (en) * | 2016-11-10 | 2017-05-31 | 广州视源电子科技股份有限公司 | Overvoltage protection circuit and LED backlight driving circuit |
CN206559688U (en) * | 2017-02-20 | 2017-10-13 | 中山市赛科光电科技有限公司 | LED single-chip microcomputer light adjusting circuits |
-
2017
- 2017-12-25 CN CN201711418662.0A patent/CN109958887A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201995168U (en) * | 2011-01-07 | 2011-09-28 | 浙江晶日照明科技有限公司 | Light emitting diode (LED) spot light capable of automatically regulating color temperature |
US20120250309A1 (en) * | 2011-03-30 | 2012-10-04 | Innovative Lighting, Inc. | LED Lighting Fixture with Reconfigurable Light Distribution Pattern |
CN204665026U (en) * | 2015-06-01 | 2015-09-23 | 上海汇丰医疗器械有限公司 | Operation shadowless lamp |
CN206093703U (en) * | 2016-08-30 | 2017-04-12 | 上海菲歌特医疗科技有限公司 | Shadowless lamp |
CN206210358U (en) * | 2016-11-10 | 2017-05-31 | 广州视源电子科技股份有限公司 | Overvoltage protection circuit and LED backlight driving circuit |
CN206559688U (en) * | 2017-02-20 | 2017-10-13 | 中山市赛科光电科技有限公司 | LED single-chip microcomputer light adjusting circuits |
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