CN103277681B - A kind of operation shadowless lamp - Google Patents
A kind of operation shadowless lamp Download PDFInfo
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- CN103277681B CN103277681B CN201310194707.6A CN201310194707A CN103277681B CN 103277681 B CN103277681 B CN 103277681B CN 201310194707 A CN201310194707 A CN 201310194707A CN 103277681 B CN103277681 B CN 103277681B
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- lamp
- led chip
- colour temperature
- chip
- brightness
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Abstract
The invention discloses a kind of operation shadowless lamp, comprise light cover and LED lamp plate, be distributed with multiple lamp cylinders on described lamp plate, be provided with the LED chip combination that colour temperature is different in described lamp cylinder, the luminosity of described LED chip can regulate. In operation shadowless lamp of the present invention, by be provided with the LED chip combination of different-colour in lamp cylinder, by regulating the luminous brightness of described combination LED chip to realize the adjusting of colour temperature, meet the needs of different-colour in operation, improve medical efficiency, prevent that malpractice from occurring.
Description
Technical field
The present invention relates to lighting for medical use lamp field, relate in particular to a kind of operation shadowless lamp.
Background technology
Operation shadowless lamp is for the indispensable visual plant of the surgical site that throws light on, and requirement can be to observe bestDifferent depth, size, object that contrast is low in otch and body cavity. Therefore,, except needs " without shadow ", also need illuminationDegree is even, light quality is good, can distinguish well the aberration of blood and its hetero-organization of human body, internal organs. Traditional operation shadowless lamp oneAs be to adopt overall reflective formula, colour temperature is impossible regulate, all operations all can only be used the operation nothing of same colour temperatureShadow lamp. But the colour rendering difference of different-colour undertissue organ, is difficult for seeing clearly all organ-tissues under same colour temperature, andAnd easily make patient's visual fatigue, reduce operation efficiency, produce malpractice.
Summary of the invention
The object of the present invention is to provide a kind of operation shadowless lamp, this operation shadowless lamp can need to carry out colour temperature according to operationRegulate, improve operation efficiency.
The invention provides a kind of operation shadowless lamp, comprise light cover and LED lamp plate, on described lamp plate, be distributed with multipleLamp cylinder, is provided with the LED chip combination that colour temperature is different in described lamp cylinder, the luminosity of described LED chip can regulate.
Alternatively, the LED chip that described colour temperature is different is combined as cold white LEDs chip and warm white LEDs chip portfolio or RGBLED chip and White-light LED chip combination.
Alternatively, be provided with cover at described lamp cylinder away from the port of light cover, described cover is glass, PC plate, Ya KePower plate or convex lens.
Alternatively, described shadowless lamp is also connected with control box, on described control box, is provided with and can regulates described LED chipThe parts of brightness and colour temperature.
Alternatively, the brightness of described LED chip and colour temperature can realize continuous adjusting or point gear adjusting.
Alternatively, described lamp plate center is provided with the handle for regulating shadowless lamp height.
Alternatively, the described LED chip back side is connected with fin.
Alternatively, the brightness of described LED chip is by pulse width modulation control.
Alternatively, described light cover central authorities are provided with breach, are connected with dismountable lid in this indentation, there.
In operation shadowless lamp of the present invention, by be provided with the LED chip combination of different-colour in lamp cylinder, by adjustingSave the adjusting that the luminous brightness of described LED chip realizes colour temperature, meet the needs of different-colour in operation, improve medical treatment effectRate, prevents that malpractice from occurring.
Brief description of the drawings
By reading below detailed description of the preferred embodiment, various other advantage and benefits are common for this areaIt is cheer and bright that technical staff will become. Accompanying drawing is only for the object of preferred embodiment is shown, and do not think the present inventionRestriction. And in whole accompanying drawing, represent identical parts by identical reference symbol. In the accompanying drawings:
Fig. 1 is the front view of shadowless lamp of the present invention;
Fig. 2 is the upward view of shadowless lamp of the present invention;
Fig. 3 is the cutaway view in A-A cross section in Fig. 2; And
Fig. 4 is the structural representation of lamp cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the invention will be further described.
The invention provides a kind of operation shadowless lamp, comprise light cover and LED lamp plate, on described lamp plate, be distributed with multipleLamp cylinder, is provided with the LED chip combination that colour temperature is different in described lamp cylinder, the luminosity of described LED chip can regulate.
In the present invention, the LED chip that described colour temperature is different is combined as cold white LEDs chip and warm white LEDs chip portfolio or RGBLED chip and White-light LED chip combination.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 show respectively the cuing open of front view, upward view, A-A cross section of shadowless lamp of the present inventionThe structural representation of view and lamp cylinder. As Figure 1-4, described operation shadowless lamp, comprises light cover 1 and LED lamp plate 2,On described lamp plate 2, be distributed with multiple lamp cylinders 3, in described lamp cylinder 3, be provided with cold white LEDs chip that luminosity can regulate with warmWhite LEDs chip portfolio or RGBLED chip and White-light LED chip combination. In the lamp cylinder of operation shadowless lamp of the present invention, arrangeThere is the LED chip of different-colour, by regulating the luminous brightness of LED chip, come real by the mixed light between low colour temperature and high color temperatureColour temperature in the middle of existing, realizes the adjusting of colour temperature, and simple to operate, the colour temperature adjustable range of shadowless lamp of the present invention is from 3000K-6000K。
As one embodiment of the present of invention, described lamp plate is circular, is provided with three bank light cylinders on lamp plate, outside by the center of circleBe disposed with six, 18,24 lamp cylinders, each bank light cylinder forms three concentric circles. As described in Figure 2, described lamp plate 2 is circleShape, described lamp plate can be evenly divided into six fan-shaped, on each fan-shaped lamp plate, be provided with three bank light cylinders 3, by fan-shaped middle mind-setBe distributed with successively one, three and four lamp cylinders outward, each bank light cylinder forms three concentric circles. Be understandable that described lamp plateShape can also be other any shapes, for example regular hexagon, described lamp cylinder also can be arranged in institute with other any formsState in lamp cylinder, such as arranging with array format, need only described lamp cylinder and can meet the illumination need of operation without shadow coordinating of lamp plateWill. In described lamp cylinder, two cold white LEDs chips and two warm white LEDs chips can be combined, also can be by oneIndividual RGBLED chip and a White-light LED chip combine. Be understandable that, the number of combinations of described LED chip also canTo be other quantity, as long as be distributed with the LED chip that colour temperature is different in lamp cylinder, can meet the regulatory demand of colour temperature in operationCan.
In the present invention, be provided with cover at described lamp cylinder away from the port of light cover, described cover is glass, PC plate, AsiaGram force plate or convex lens. As shown in Figure 4, in described lamp cylinder 3, be distributed with LED chip 4 and reflector 5, described in described reflector 5 is incited somebody to actionLED chip 4 surrounds, the openend of described lamp cylinder, and the top open part of reflector is provided with cover 6, and described cover is glassGlass, PC plate, acrylic board or convex lens. The light that described LED chip 4 sends, after 5 reflections of described reflector are converged, then passes through cylinderLid 6 penetrates, and can realize the illumination of operating lamp. Reflect while converging at the light that described LED chip is sent, can be as Fig. 4The shown reflector that arranges in lamp cylinder like that, can also stick the inwall of described lamp cylinder one deck reflective membrane and make it canReflective. Certainly can also adopt other forms, as long as make described in light that described LED chip sends can be converged and reflectLamp cylinder.
In the light cover of described lamp cylinder, the glass adopting is general clear glass. Described PC plate is with MerlonFor main component, a kind of high-quality sheet material that adopts coextrusion techniques CO-EXTRUSION to form, have that transparency is high, light weight,Heat insulation, etc. feature. Described acrylic (ACRYLIC), popular name specially treated lucite, by methyl olefin(e) acid methylmethacrylate monomer (MMA)Be polymerized, i.e. polymethyl methacrylate (PMMA) sheet material lucite, it has the high grade of transparency, light transmittance reaches 92%, has "Plastic cement crystal " good reputation, and have good case hardness and gloss concurrently, processing plasticity is large, can be made into various needed shapesShape and product, even and slab still can maintain the high grade of transparency. When described cover is glass, PC plate or acrylic board, not onlyLight transmission in lamp cylinder can be gone out, can also play a protective role to lamp cylinder. If need to the light of launching in lamp cylinder be carried outOptically focused again, can be set to convex lens by described cover. Described cover can need to carry out according to actual illumination in operationChange.
In the time that described LED chip is started working, if the heat of its generation sheds not in time, will affect LED chipService life. Therefore, in the present invention, be connected with fin 7 at the back side of described LED chip, with the heat that described LED is distributedAmount distributes as early as possible. Described fin can be as shown in Figure 4, certain apart from top and the sidewall spacers of lamp cylinderDistance, with increasing heat radiation area. Certainly, described fin all right direct and lamp cylinder top and/or sidewall contact, can also beBeing connected to outside lamp cylinder, as long as ensure that it can dispel the heat to LED chip.
In order easily described operation shadowless lamp to be carried out to colour temperature adjusting, described shadowless lamp is also connected with control box, described inOn control box, be provided with the parts that can regulate described LED chip brightness and colour temperature. Brightness and the colour temperature of described LED chip canRealize and regulating continuously or point gear adjusting. As depicted in figs. 1 and 2, described shadowless lamp is connected with control box 8, by this control boxCan regulate colour temperature and the brightness of described operation shadowless lamp. On described control box, be provided with colour temperature and regulate button, by behaviourMake color temperature button, the control circuit that this button connects regulates the luminosity of described LED chip, by cold white LEDs coreSheet luminosity mixes or the brightness of RGBLED chip light emitting and White-light LED chip luminosity with warm white LEDs chip brightnessMixing, realize the continuous adjusting of colour temperature, to obtain the colour temperature of required any number. For colour temperature regulate more convenient, instituteState on control box and be also provided with 5 grades of colour temperature indicator lamps, the color temperature value that described colour temperature indicator lamp is indicated is respectively: 3000K, 4000K,4500K, 5500K, 6000K. Described five grades of color temperature values are conventional colour temperature, operate described indicator lamp, can obtain it and represent numberThe colour temperature of value, a key operation, realizes the quick adjustment of colour temperature. After colour temperature is fixing, can also be to described operation shadowless lamp brightDegree regulates, to adapt to the brightness of illumination demand of different surgery situation. On described control box, be provided with brilliance control button,Described button is operated, can realize the adjusting of operation shadowless lamp brightness of illumination, do not change described cold white LEDs chip light emittingThe ratio of the ratio of brightness and warm white LEDs chip brightness or RGBLED chip brightness and White-light LED chip brightness. Equally,In order to realize the quick adjustment of brightness, on described control box, be also provided with 8 grades of brightness indicator lamps, with the specified electricity of described LED chipStream is benchmark, and described brightness maximum can reach 100%, and minimum is 30%. By operating described brightness instruction button, realize shadowless lampPoint gear of brightness regulates, thereby precisely regulates the brightness of operating lamp.
In operation shadowless lamp of the present invention, described lamp plate center is provided with the handle for regulating shadowless lamp height.In operation, in order to meet the different demands of different operative sites to illumination, the position of illuminating lamp should regulate. ThisIn invention, be provided with handle 9 in the center of described lamp plate 2, by this handle, in operation, can regulate according to lighting demandThe height of described shadowless lamp. Described handle is dismountable, after operation, is pulled down and carries out disinfection, to ensure operating lampSafety and sanitation, loaded onto again after to be sterilized, wait until and use next time.
In the present invention, the brightness of described LED chip is by pulse width modulation control. Pulse width modulation(PWM), be the abbreviation of English " PulseWidthModulation ", be called for short pulsewidth modulation, be the numeral of utilizing microprocessorThe very effective technology of one that output is controlled analog circuit, in the implementation case, the LED constant current of employing drivesIntegrated chip has PWM dimming function and has the special light modulation pin of PWM, and the PWM ripple that can produce by digital microprocessor draws thisPin is controlled, and then controls the output of constant-current driven chip. LED is a diode, and it can realize high-speed switch, and it canThe switching speed allowing can be up to more than microsecond, as long as power supply is made into pulse crossing current power supply, with the side that changes pulse widthMethod, just can change its brightness. Adopting pulse width modulation mode to carry out light modulation to LED chip has the following advantages: can not produce and appointWhat LED chromatogram skew, therefore LED always works between full width electric current and 0; There is high light modulation precision, because impulse waveformCan control to very high precision completely, thus be easy to realize ten thousand/ precision; Even in very large range light modulation, alsoCan there is not scintillation, because can not change the permanent source condition of constant current, more impossible generation problems of excessive heat.
In operation shadowless lamp of the present invention, described light cover central authorities are provided with breach, are connected with dismountable in this indentation, thereLid. As shown in Figure 1, on described light cover 1, be provided with a circumferential notch, be provided with lid 10 in this indentation, there, described lid 10Dismountable. If when shadowless lamp breaks down or regular maintenance is repaired, described lid 10 is disassembled, can check light coverInner case, and do not need described whole light cover to remove, overhaul efficiency improved.
Common colour temperature adjustable operation shadowless lamp is generally made up of the lamp cylinder of multiple different colours (or colour temperature), when workThe light sending from each lamp cylinder carries out mixed light at exposure pathways (from lamp cylinder exiting surface to plane of illumination), if blocked whereinOne or more lamp cylinders, the colour temperature on face to be illuminated changes, and operation shadowless lamp of the present invention is in the inner setting of lamp cylinderHave the LED chip of different-colour, in lamp cylinder, complete mixed light, realized the adjusting of colour temperature, if block one of them or manyIndividual lamp cylinder, the colour temperature on face to be illuminated does not change. And, operation shadowless lamp of the present invention after colour temperature regulates,Can also fix brightness adjusting under colour temperature, meet the different lighting demands in operation.
It should be noted, the present invention will be described instead of limit the invention for above-described embodiment, and thisThose skilled in the art can design alternative embodiment in the case of not departing from the scope of claims. In claimIn, any reference symbol between bracket should be configured to limitations on claims. Word " comprises " and does not get rid of and depositBe not listed as element or step in the claims. Be positioned at word " " before element or " one " do not get rid of exist multiple thisThe element of sample. The use of word first, second and C grade does not represent any order. Can be title by these word explanations.
Claims (1)
1. an operation shadowless lamp, comprises light cover and LED lamp plate, it is characterized in that: on described lamp plate, be distributed with multiple lampsCylinder, is provided with the LED chip combination that colour temperature is different in described lamp cylinder, the luminosity of described LED chip can regulate; DescribedLamp cylinder is provided with cover away from the port of light cover, and described cover is glass, PC plate, acrylic board or convex lens; Described colour temperatureDifferent LED chips is combined as cold white LEDs chip and warm white LEDs chip portfolio or RGBLED chip and White-light LED chip groupClose; Described shadowless lamp is also connected with control box, is provided with and can regulates described LED chip brightness and colour temperature on described control boxParts; The brightness of described LED chip and colour temperature can realize continuous adjusting or point gear regulates; Described lamp plate center is provided withBe used for regulating the handle of shadowless lamp height; The described LED chip back side is connected with fin; The brightness of described LED chip is to pass throughPulse width modulation control; Described light cover central authorities are provided with breach, are connected with dismountable lid in this indentation, there.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194707.6A CN103277681B (en) | 2013-05-23 | 2013-05-23 | A kind of operation shadowless lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194707.6A CN103277681B (en) | 2013-05-23 | 2013-05-23 | A kind of operation shadowless lamp |
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| CN103277681A CN103277681A (en) | 2013-09-04 |
| CN103277681B true CN103277681B (en) | 2016-05-18 |
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| CN201310194707.6A Expired - Fee Related CN103277681B (en) | 2013-05-23 | 2013-05-23 | A kind of operation shadowless lamp |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019675B (en) * | 2017-11-28 | 2020-10-13 | 扬州点滴照明有限公司 | Medical operating lamp |
| CN112393141A (en) * | 2019-08-14 | 2021-02-23 | 同步(福州)智能科技有限公司 | Multifunctional shadowless lighting system |
| CN111306485A (en) * | 2020-03-17 | 2020-06-19 | 南通大学 | LED shadowless lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575394A (en) * | 2001-08-23 | 2005-02-02 | 奥村幸康 | Color temperature-regulable led light |
| CN1908509A (en) * | 2005-08-06 | 2007-02-07 | 通快克罗伊策医疗系统两合公司 | Surgical lamp |
| DE102005036275A1 (en) * | 2005-08-02 | 2007-02-08 | Berchtold Holding Gmbh | surgical light |
| CN101025257A (en) * | 2007-03-16 | 2007-08-29 | 汕头市夏野电器有限公司 | Colour, temperature adjustable operation lamp |
| CN102537790A (en) * | 2012-01-18 | 2012-07-04 | 山东育达医疗设备有限公司 | LED (light emitting diode) shadowless lamp |
| CN202884666U (en) * | 2012-09-12 | 2013-04-17 | 汕头市福利医疗器械厂 | Light-emitting diode (LED) operation shadowless lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040155565A1 (en) * | 2003-02-06 | 2004-08-12 | Holder Ronald G. | Method and apparatus for the efficient collection and distribution of light for illumination |
| CN201155714Y (en) * | 2007-12-05 | 2008-11-26 | 许东 | Dedicated lamp barrel for LED lamp |
| CN102425739B (en) * | 2011-12-31 | 2013-07-03 | 东莞勤上光电股份有限公司 | Light source module of shadowless lamp |
-
2013
- 2013-05-23 CN CN201310194707.6A patent/CN103277681B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575394A (en) * | 2001-08-23 | 2005-02-02 | 奥村幸康 | Color temperature-regulable led light |
| DE102005036275A1 (en) * | 2005-08-02 | 2007-02-08 | Berchtold Holding Gmbh | surgical light |
| CN1908509A (en) * | 2005-08-06 | 2007-02-07 | 通快克罗伊策医疗系统两合公司 | Surgical lamp |
| CN101025257A (en) * | 2007-03-16 | 2007-08-29 | 汕头市夏野电器有限公司 | Colour, temperature adjustable operation lamp |
| CN102537790A (en) * | 2012-01-18 | 2012-07-04 | 山东育达医疗设备有限公司 | LED (light emitting diode) shadowless lamp |
| CN202884666U (en) * | 2012-09-12 | 2013-04-17 | 汕头市福利医疗器械厂 | Light-emitting diode (LED) operation shadowless lamp |
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| CN103277681A (en) | 2013-09-04 |
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