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CN109958887A - Operation shadowless lamp color temperature adjusting system - Google Patents

Operation shadowless lamp color temperature adjusting system Download PDF

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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
Authority
CN
China
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
Application number
CN201711418662.0A
Other languages
Chinese (zh)
Inventor
韩俊俊
陈捷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FUHONG SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
SHANGHAI FUHONG SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI FUHONG SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd filed Critical SHANGHAI FUHONG SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201711418662.0A priority Critical patent/CN109958887A/en
Publication of CN109958887A publication Critical patent/CN109958887A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • F21V19/002Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape
    • F21V5/046Refractors 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • 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

Operation shadowless lamp color temperature adjusting system
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.
CN201711418662.0A 2017-12-25 2017-12-25 Operation shadowless lamp color temperature adjusting system Pending CN109958887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711418662.0A CN109958887A (en) 2017-12-25 2017-12-25 Operation shadowless lamp color temperature adjusting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711418662.0A CN109958887A (en) 2017-12-25 2017-12-25 Operation shadowless lamp color temperature adjusting system

Publications (1)

Publication Number Publication Date
CN109958887A true CN109958887A (en) 2019-07-02

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ID=67020702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711418662.0A Pending CN109958887A (en) 2017-12-25 2017-12-25 Operation shadowless lamp color temperature adjusting system

Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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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Application publication date: 20190702

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