CN103277681A - Operation shadowless lamp - Google Patents
Operation shadowless lamp Download PDFInfo
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- CN103277681A CN103277681A CN2013101947076A CN201310194707A CN103277681A CN 103277681 A CN103277681 A CN 103277681A CN 2013101947076 A CN2013101947076 A CN 2013101947076A CN 201310194707 A CN201310194707 A CN 201310194707A CN 103277681 A CN103277681 A CN 103277681A
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- led chip
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- shadowless lamp
- colour temperature
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Abstract
The invention discloses an operation shadowless lamp. The operation shadowless lamp comprises a lamp cover and an LED lamp board, wherein a plurality of lamp barrels are distributed on the lamp board, LED chip assemblies with different color temperatures are installed in the lamp barrels, and the brightness of the LED chips can be regulated. According to the operation shadowless lamp, due to the facts that the LED chip assemblies with the different color temperatures are installed in the lamp barrels, and regulation of the color temperatures is achieved by regulating the brightness of the assembled LED chips, requirements for the different color temperatures are met, medical efficiency is improved, and medical negligence is prevented 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.
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Background technology
Operation shadowless lamp is the indispensable visual plant of surgical site that throws light on, and requirement can be in different depth in otch and the body cavity, size, object that contrast is low to observe best.Therefore, except needs " no shadow ", need also that illuminance is even, light quality good, can distinguish the aberration of blood and its hetero-organization of human body, internal organs well.Traditional operation shadowless lamp generally is to adopt the overall reflective formula, and colour temperature is impossible regulate, and all operations all can only be used the operation shadowless lamp of same colour temperature.But the colour rendering difference of different-colour undertissue organ is difficult under the same colour temperature seeing all organ-tissues clearly, and makes patient's visual fatigue easily, reduces operation efficient, produces 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 carry out colour temperature according to the operation needs to be regulated, and improves operation efficient.
The invention provides a kind of operation shadowless lamp, comprise light cover and LED lamp plate, be distributed with a plurality of lamp tubes at described lamp plate, be provided with the different led chip combination of colour temperature in the described lamp tube, the luminosity of described led chip can be regulated.
Alternatively, the led chip that described colour temperature is different is combined as cold white LEDs chip and warm white LEDs chip portfolio or RGB led chip and White-light LED chip combination.
Alternatively, be provided with cover at described lamp tube away from the port of light cover, described cover is glass, PC plate, acrylic board or convex lens.
Alternatively, described shadowless lamp also is connected with control box, and described control box is provided with the parts that can regulate described led chip brightness and colour temperature.
Alternatively, the brightness of described led chip and colour temperature can realize regulating continuously or dividing gear to regulate.
Alternatively, described lamp plate center is provided with to regulate the handle of shadowless lamp height.
Alternatively, the described led chip back side is connected with fin.
Alternatively, the brightness of described led chip is controlled by pulse width modulation.
Alternatively, described light cover central authorities are provided with breach, are connected with removable cap in this indentation, there.
In the operation shadowless lamp of the present invention, by in the lamp tube, being provided with the led chip combination of different-colour, by regulating the adjusting that the luminous brightness of described led chip realizes colour temperature, satisfy the needs of different-colour in the operation, improve medical efficiency, prevent that malpractice from taking place.
Description of drawings
By reading hereinafter detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing only is used for the purpose of preferred embodiment is shown, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts with 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 among Fig. 2; And
Fig. 4 is the structural representation of lamp tube.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and concrete embodiment.
The invention provides a kind of operation shadowless lamp, comprise light cover and LED lamp plate, be distributed with a plurality of lamp tubes at described lamp plate, be provided with the different led chip combination of colour temperature in the described lamp tube, the luminosity of described led chip can be regulated.
Among 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 RGB led chip and White-light LED chip combination.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 show front view, upward view, the cutaway view in A-A cross section and the structural representation of lamp tube of shadowless lamp of the present invention respectively.Shown in Fig. 1-4, described operation shadowless lamp, comprise light cover 1 and LED lamp plate 2, be distributed with a plurality of lamp tubes 3 at described lamp plate 2, be provided with cold white LEDs chip and warm white LEDs chip portfolio or RGB led chip and White-light LED chip combination that luminosity can be regulated in the described lamp tube 3.Be provided with the led chip of different-colour in the lamp tube of operation shadowless lamp of the present invention, by regulating the luminous brightness of led chip, realize middle colour temperature by the mixed light between low colour temperature and the high colour temperature, realize the adjusting of colour temperature, 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, and lamp plate is provided with three bank light tubes, outwards is disposed with six, 18,24 lamp tubes by the center of circle, and each bank light tube forms three concentric circles.As described in Figure 2, described lamp plate 2 is circular, described lamp plate can evenly be divided into six fan-shaped, each fan-shaped lamp plate is provided with three bank light tubes 3, outwards is distributed with one, three and four lamp tubes successively by fan-shaped center, each bank light tube forms three concentric circles.Be understandable that, the shape of described lamp plate can also be other Any shape, regular hexagon for example, described lamp tube also can be arranged in the described lamp tube with other any forms, such as arranging with array format, as long as described lamp tube and the illumination needs that can satisfy the no shadow of operation cooperating of lamp plate.In described lamp tube, two cold white LEDs chips and two warm white LEDs chips can be made up, also a RGB led chip and a White-light LED chip can be made up.Be understandable that the number of combinations of described led chip can also be other quantity, as long as be distributed with the different led chip of colour temperature in the lamp tube, can satisfy that the regulatory demand of colour temperature gets final product in the operation.
Among the present invention, be provided with cover at described lamp tube away from the port of light cover, described cover is glass, PC plate, acrylic board or convex lens.As shown in Figure 4, be distributed with led chip 4 and reflector 5 in the described lamp tube 3, described reflector 5 surrounds described led chip 4, the openend of described lamp tube, the top open part that is reflector is provided with cover 6, and described cover is glass, PC plate, acrylic board or convex lens.The light that described led chip 4 sends penetrates through cover 6 after described reflector 5 reflections are converged again, can realize the illumination of operating lamp.Reflect when converging at the light that described led chip is sent, a reflector can be set in the lamp tube as shown in Figure 4, the inwall of described lamp tube can also be sticked one deck reflective membrane and make that it can be reflective.Certainly the light that makes described led chip send can also adopt other forms, as long as can be converged and reflect described lamp tube.
In the light cover of described lamp tube, the glass that adopts is that general clear glass gets final product.Described PC plate is to be main component with the Merlon, a kind of high-quality sheet material that adopts coextrusion techniques CO-EXTRUSION to form, have transparency height, light weight, heat insulation, etc. characteristics.Described acrylic (ACRYLIC), popular name specially treated lucite, be polymerized by methyl olefin(e) acid methylmethacrylate monomer (MMA), i.e. polymethyl methacrylate (PMMA) sheet material lucite, it has the high grade of transparency, light transmittance reaches 92%, the good reputation of " plastic cement crystal " is arranged, and have surface of good hardness and gloss concurrently, processing plasticity is big, can be made into various needed shapes and product, even and slab still can keep the high grade of transparency.When described cover is glass, PC plate or acrylic board, the light transmission in the lamp tube can not only be gone out, can also play a protective role to the lamp tube.If desired the light of launching in the lamp tube is carried out optically focused again, then can be set to convex lens by described cover.Described cover can be changed according to actual illumination needs in the operation.
When described led chip is started working, shed if the heat of its generation is untimely, will influence the service life of led chip.Therefore, among the present invention, be connected with fin 7 at the back side of described led chip, distribute as early as possible with the heat that described LED is distributed.Described fin can be as shown in Figure 4, apart from top and the certain distance of sidewall spacers of lamp tube, to increase area of dissipation.Certainly, described fin can also directly contact with lamp tube top and/or sidewall, can also be outside being connected the lamp tube, can dispel the heat to led chip as long as guarantee it.
Regulate in order easily described operation shadowless lamp to be carried out colour temperature, described shadowless lamp also is connected with control box, and described control box is provided with the parts that can regulate described led chip brightness and colour temperature.The brightness of described led chip and colour temperature can realize regulating continuously or dividing gear to regulate.As depicted in figs. 1 and 2, described shadowless lamp is connected with control box 8, can regulate colour temperature and the brightness of described operation shadowless lamp by this control box.Described control box is provided with colour temperature and regulates button, by the operation color temperature button, the control circuit that this button connects is regulated the luminosity of described led chip, by mixing of the brightness of cold white LEDs chip light emitting and warm white LEDs chip brightness or mixing of RGB led chip luminosity and White-light LED chip luminosity, realize the continuous adjusting of colour temperature, to obtain the colour temperature of required any number.For colour temperature regulate more convenient, also be provided with 5 grades of colour temperature indicator lamps on the described control box, the color temperature value that described colour temperature indicator lamp is indicated respectively is: 3000K, 4000K, 4500K, 5500K, 6000K.Described five grades of color temperature values are colour temperature commonly used, operate described indicator lamp, can obtain the colour temperature of its expression numerical value, a key operation, the quick adjustment of realization colour temperature.After colour temperature is fixing, can also regulate the brightness of described operation shadowless lamp, to adapt to the brightness of illumination demand of different surgery situation.Described control box is provided with the brilliance control button, described button is operated, can realize the adjusting of operation shadowless lamp brightness of illumination, not change the ratio of the brightness of described cold white LEDs chip light emitting and warm white LEDs chip brightness or the ratio of the brightness of RGB led chip and White-light LED chip brightness and get final product.Equally, in order to realize the quick adjustment of brightness, also being provided with 8 grades of brightness indicator lamps on the described control box, is benchmark with described led chip rated current, and described brightness maximum can reach 100%, and minimum is 30%.By operating described brightness instruction button, realize that the branch gear of shadowless lamp brightness is regulated, thereby precisely regulate the brightness of operating lamp.
In the operation shadowless lamp of the present invention, described lamp plate center is provided with to regulate the handle of shadowless lamp height.In the operation, in order to satisfy different operative sites to the different demands of illumination, the position of illuminating lamp should be regulated.Among the present invention, be provided with handle 9 in the center of described lamp plate 2, by this handle, in operation, can regulate the height of described shadowless lamp according to lighting demand.Described handle is dismountable, after operation finishes, it is pulled down carries out disinfection, and to guarantee the safety and sanitation of operating lamp, it is loaded onto behind to be sterilized the finishing again, and waits until next time and uses.
Among the present invention, the brightness of described led chip is controlled by pulse width modulation.Pulse width modulation (PWM), it is the abbreviation of English " Pulse Width Modulation ", be called for short pulsewidth modulation, be to utilize the numeral of microprocessor to export a kind of very effective technology that analog circuit is controlled, in the implementation case, the LED constant-current driven chip that adopts is integrated with the PWM dimming function and the special-purpose light modulation pin of PWM is arranged, can control this pin by the PWM ripple that digital microprocessor produces, and then the output of control constant-current driven chip.LED is a diode, and it can realize high-speed switch, and its admissible switching speed can be up to more than the microsecond, as long as power supply is made into pulse crossing current power supply, the method with changing pulse width just can change its brightness.Adopting pulse width modulation mode that led chip is carried out light modulation has the following advantages: can not produce any LED chromatogram skew, so LED always works between full width of cloth electric current and 0; High light modulation precision is arranged because impulse waveform can control to very high precision fully, so be easy to realize ten thousand/ precision; Even scintillation can not take place in light modulation in very large range yet, because can not change the permanent source condition of constant current, more impossible generation problems of excessive heat.
In the operation shadowless lamp of the present invention, described light cover central authorities are provided with breach, are connected with removable cap in this indentation, there.As shown in Figure 1, described light cover 1 is provided with a circumferential notch, is provided with lid 10 in this indentation, there, and described lid 10 is dismountable.If shadowless lamp breaks down or regular maintenance when repairing, described lid 10 is disassembled, can check the light cover inner case, and not need described whole light cover is removed, improved overhaul efficiency.
The adjustable operation shadowless lamp of common colour temperature generally is made up of the lamp tube of a plurality of different colours (or colour temperature), the light that sends from each lamp tube during work carries out mixed light at exposure pathways (from lamp tube exiting surface to plane of illumination), if block wherein one or more lamp tubes, then the colour temperature on the face to be illuminated changes, and operation shadowless lamp of the present invention is provided with the led chip of different-colour in lamp tube inside, in the lamp tube, namely finish mixed light, realized the adjusting of colour temperature, if block wherein one or more lamp tubes, then the colour temperature on the face to be illuminated does not change.And operation shadowless lamp of the present invention can also fixedly regulated brightness under the colour temperature after colour temperature regulates, and has satisfied the different lighting demands in the operation.
It should be noted that the present invention will be described rather than limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment under the situation of the scope that does not break away from claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed in element or step in the claim.Being positioned at word " " before the element or " one " does not get rid of and has a plurality of such elements.Any order is not represented in the use of word first, second and C grade.Can be title with these word explanations.
Claims (9)
1. an operation shadowless lamp comprises light cover and LED lamp plate, it is characterized in that: be distributed with a plurality of lamp tubes at described lamp plate, be provided with the different led chip combination of colour temperature in the described lamp tube, the luminosity of described led chip can be regulated.
2. shadowless lamp according to claim 1 is characterized in that: the led chip that described colour temperature is different is combined as cold white LEDs chip and warm white LEDs chip portfolio or RGB led chip and White-light LED chip combination.
3. shadowless lamp according to claim 1 and 2 is characterized in that: be provided with cover at described lamp tube away from the port of light cover, described cover is glass, PC plate, acrylic board or convex lens.
4. shadowless lamp according to claim 1 and 2, it is characterized in that: described shadowless lamp also is connected with control box, and described control box is provided with the parts that can regulate described led chip brightness and colour temperature.
5. shadowless lamp according to claim 4 is characterized in that: the brightness of described led chip and colour temperature can realize regulating continuously or dividing gear to regulate.
6. shadowless lamp according to claim 1 and 2, it is characterized in that: described lamp plate center is provided with to regulate the handle of shadowless lamp height.
7. shadowless lamp according to claim 1 and 2, it is characterized in that: the described led chip back side is connected with fin.
8. shadowless lamp according to claim 1 and 2, it is characterized in that: the brightness of described led chip is controlled by pulse width modulation.
9. shadowless lamp according to claim 1 and 2 is characterized in that: described light cover central authorities are provided with breach, are connected with removable cap 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 true CN103277681A (en) | 2013-09-04 |
| CN103277681B 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019675A (en) * | 2017-11-28 | 2018-05-11 | 西安科锐盛创新科技有限公司 | Medical operation lamp |
| CN111306485A (en) * | 2020-03-17 | 2020-06-19 | 南通大学 | LED shadowless 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 |
| CN117939270A (en) * | 2024-03-25 | 2024-04-26 | 福建医科大学附属第一医院 | Department of neurology inspection is with camera dimming device |
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| US20040155565A1 (en) * | 2003-02-06 | 2004-08-12 | Holder Ronald G. | Method and apparatus for the efficient collection and distribution of light for illumination |
| 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 |
| CN201155714Y (en) * | 2007-12-05 | 2008-11-26 | 许东 | Dedicated lamp barrel for LED lamp |
| CN102425739A (en) * | 2011-12-31 | 2012-04-25 | 东莞勤上光电股份有限公司 | Light source module of shadowless 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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2013
- 2013-05-23 CN CN201310194707.6A patent/CN103277681B/en not_active Expired - Fee Related
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| CN1575394A (en) * | 2001-08-23 | 2005-02-02 | 奥村幸康 | Color temperature-regulable led light |
| US20040155565A1 (en) * | 2003-02-06 | 2004-08-12 | Holder Ronald G. | Method and apparatus for the efficient collection and distribution of light for illumination |
| DE102005036275A1 (en) * | 2005-08-02 | 2007-02-08 | Berchtold Holding Gmbh | surgical light |
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| CN201155714Y (en) * | 2007-12-05 | 2008-11-26 | 许东 | Dedicated lamp barrel for LED lamp |
| CN102425739A (en) * | 2011-12-31 | 2012-04-25 | 东莞勤上光电股份有限公司 | Light source module of shadowless lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108019675A (en) * | 2017-11-28 | 2018-05-11 | 西安科锐盛创新科技有限公司 | Medical operation lamp |
| 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 |
| CN117939270A (en) * | 2024-03-25 | 2024-04-26 | 福建医科大学附属第一医院 | Department of neurology inspection is with camera dimming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103277681B (en) | 2016-05-18 |
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