CN1184434C - Single-purpose adjustable optical fibre luminous source for cultural relics exhibition - Google Patents
Single-purpose adjustable optical fibre luminous source for cultural relics exhibition Download PDFInfo
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- CN1184434C CN1184434C CNB031535038A CN03153503A CN1184434C CN 1184434 C CN1184434 C CN 1184434C CN B031535038 A CNB031535038 A CN B031535038A CN 03153503 A CN03153503 A CN 03153503A CN 1184434 C CN1184434 C CN 1184434C
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Abstract
The present invention belongs to optical fiber illuminating devices, and relates to an adjustable optical fiber light source special for cultural relic exhibition. The present invention comprises an electric light source and a convergent lens which shares the same optical axis with the electric light source; furthermore, the present invention is characterized in that the present invention also comprises an optical fiber and a driving and control device, wherein the optical fiber can receive and guide the outgoing light to an illuminating position, and the driving and control device is used for fixing and controlling the convergent lens to move along the optical axis as well as for turning on and off the electric light source. The present invention can adopt metal halide lamps with fine color rendering property or other light sources which can be conducted into the optical fiber through the control of optical parts and corresponding devices, and the outgoing light intensity of the optical fiber can be regulated for illuminating the cultural relics. In addition, the whole light source has the advantages of good color rendering property, no heat, no ultraviolet rays and convenient operation and maintenance; moreover, the present invention adopts a humanized design method to maximumly prevent the cultural relics from being damaged during the process of exhibition illumination, and simultaneously takes the visual experience of human bodies of visitors into account.
Description
Technical field the invention belongs to optical fibre illumination equipment, particularly Zhuan Ye historical relic lighting apparatus structural design.
The background technology historical relic is the special object of a class, and they are of great rarity, but also quite fragile.Many historical relics can produce a series of chemistry and physical reactions under illumination, thereby suffer destruction in various degree.In the normative reference of the historical relic exhibition of country promulgation, according to sensitivity difference, the numerical value of recommending has been proposed for the illumination of historical relic to light, historical relic difference, illumination requirement are also different.Some have proposed quite harsh requirement to lighting condition especially to the very responsive or relatively more responsive historical relic of light: except illumination, also need the colour rendering of light good, do not have ultraviolet ray, empty calory etc.In addition, because visible spectrum also has certain destruction to historical relic, so, yet need to avoid long-time irradiation even if adopted good light source.
But, existing lighting condition is difficult to satisfy the requirement of this special specialty of historical relic: the colour rendering of traditional electrical light source is uneven, the bulb caloric value big, have drawbacks such as producing electric spark and electric leakage hidden danger, and fluorescent lamp also can produce a large amount of ultraviolet rays, is difficult to satisfy these exacting terms; Some professional light sources cost an arm and a leg, although guaranteed good colour rendering, have filtered ultraviolet ray, and still uncontrollable illumination intensity of light source is difficult to guarantee the illumination requirement of different historical relics.In historical relic department work but be not the personage of illumination specialty, although understand the requirement of historical relic to illumination, the suitable illumination that wants to guarantee the variety classes historical relic by own adjusting is certain difficulty in addition also for many.
In addition, be in master's the museum in the historical relic exhibition, be the illumination of protection historical relic, often sacrificed the people's who visits impression.Many light fixtures by human body induction control usually brighten suddenly when the visitor walks close to, and people's eyes sensation is quite incompatible, and it then is a slice dark that the people leaves when far away, do not see general some what.
The purpose of summary of the invention patent of the present invention is for overcoming the weak point of prior art, design a kind of historical relic illumination special adjustable formula optical fiber source, provide high-quality illumination to the more sensitive historical relic of light application ratio, leaded light performance in conjunction with optical fiber, illumination, the colour rendering of different historical relics and the requirement of not having ultraviolet ray, empty calory can have been guaranteed, also can adopt the mode of automatic and manual adjustments, carry out gradual change type illumination according to visitor's human visual effect and regulate, solved the contradiction between historical relic exhibition illumination and the visitor's visual experience to greatest extent.And have simultaneously and guarantee the electric light source advantage in service life.
A kind of historical relic illumination special adjustable formula optical fiber source of the present invention's design, comprise electric light source, with the plus lens of electric light source common optical axis, it is characterized in that, also comprise emergent light that receives this plus lens and the optical fiber that is directed to illumination place, fixing and control this plus lens and move driving and the control device that reaches the open and close electric light source along optical axis; Said driving and control device comprise the support of fixing this plus lens, drive transmission mechanism and drive motors thereof that support moves, the power source generator of the required power supply of motor is provided, the control support is controlled the human induction switch that this electric light source is opened, closed at limit switch or light sensation controller that the scope of setting moves; After electric light source was opened, under the control of driving and control circuit, the plus lens that transmission mechanism drives on the support moved, and the light that enters optical fiber is changed from weak to strong; After electric light source is closed, drive and the control of control circuit under, the plus lens that transmission mechanism drives on the support moves, and makes the light that enters optical fiber from by force to weak variation.
Said driving and control device also can comprise the handle in order to manual adjustment limit-switch positions affixed with this limit switch, in order to the manual knob of control lens particular location.
This driving and control device are controlled it by the function operation of setting by the control circuit of routine.
Said transmission mechanism can adopt gear, rack gear, also can adopt transmission mechanisms such as belt pulley.
Said electric light source can comprise colour rendering preferably spot light and the transformer that matches with it, for the electric fan of electric light source heat radiation, transfer the diverging light of this spot light the Parabolic reflective light shield of directional light to, and be arranged on the preceding ultraviolet optical filter of filter of reflective light shield.
Said plus lens can adopt convex lens.
Distance between the solstics said fiber port and that convex lens move is smaller or equal to the focal length of convex lens.
Distance between the closest approach said fiber port and that convex lens move is more than or equal to the focal length of convex lens.
Said optical fiber for historical relic illumination conducting light can be simple optical fiber, also can be made of fibre bundle.
Operation principle of the present invention: human induction switch according to the unlatching of outside stream of people's situation control electric light source, close, in the time of in personnel enter the human induction switch induction range, the directional light that electric light source sends becomes behind plus lens and converges light, illuminates historical relic through optic fibre guide again.Under the control of control circuit, the convex lens that transmission mechanism drives on the support move, and make the light that enters optical fiber carry out gradual change from weak to strong, make support be in the strongest position of light intensity by limit switch control.When personnel left the human induction switch induction range, the convex lens that transmission mechanism drives on the support moved, and made the light that enters optical fiber from carrying out gradual change to weak by force, made support be in the most weak position of light intensity by limit switch control, and electric light source is closed.The result of control, guaranteeing is having the light that lens focus on the optical fiber head under people's the situation the strongest, and in nobody, the light of convex lens focus on optical fiber head is the most weak; The variation of light is the process of a gradual change.
Characteristics of the present invention
1, the present invention satisfied that the historical relic exhibition throws light on that needed colour rendering is good, empty calory, no ultraviolet requirement, and guaranteed can adopt its different illumination that need to throw light on to different historical relics.
2, protect rare cultural relics to greatest extent, light is reduced to minimum to the destruction of historical relic.
3, the design of hommization.For the visitor, consider people's visual adaptation process, adopted illumination light according to the human body sensing gradual manner, vision does not produce jump.For the staff in exhibition center, museum, operation is convenient in the present invention, does not possess historical relic's protection professional knowledge and also can not cause destruction to historical relic.
4, the present invention adopts a kind of new brightness adjustment approach, is not to rely on the brightness of the brightness regulation of electric light source being regulated outgoing, throws light under the situation of needed light illumination having solved historical relic, has guaranteed the life-span of electric light source.
5, other is with low cost with the effect product relatively.
Description of drawings
Fig. 1 is the general structure schematic diagram of embodiments of the invention, and wherein 1a is a side view, and 1b is a vertical view
Fig. 2 is the schematic perspective view of embodiment of the invention general structure.
Fig. 3 is each components and parts annexation and the control circuit operation principle schematic diagram of driving of the present invention and control device embodiment.
Fig. 4 is the normal operation condition signal timing diagram of the present invention.
Fig. 5 is the signal timing diagram of special circumstances of the present invention.
Fig. 6 is optical texture embodiment of the present invention and operation principle schematic diagram,
Wherein 6a is the optical texture embodiment of employing, the another kind of optical texture embodiment of 6b for adopting.
The structure of the historical relic exhibition special adjustable formula optical fiber source that specific embodiment the present invention proposes and operation principle reach accompanying drawing in conjunction with the embodiments and are described in detail as follows:
The embodiments of the invention overall structure as shown in Figure 1 and Figure 2.Wherein: by external human induction switch 1, be installed in optics and electric driving and control section in the housing 2, outwards the lighting fiber (illumination fiber optic bundle) 19 of conducting light is formed jointly,
External human induction switch 1 should be selected suitable induction range, and settles in place, so that make a response in visitor's arrival.
Concrete optics and electricity drive and control section is installed in the housing 2, comprising: electric light source 3, metal frame 4, electric fan 6, with the supporting attached devices 7 such as transformer of electric light source lamp, coated glass (filter ultraviolet ray) 8, convex lens 9, lens mount 10, tooth bar 11, Slide Box 12, motor (making lens be moved to B by A) 13 advances, gear 14, retreat motor (making lens move to A) 15 by B, gear 16, be fixed on limit switch on the shell (switch contact position A by lens the nearest end of energy reach optical fiber head) 17, can change the limit switch (switch contact position B by lens an energy reach optical fiber head end farthest) 18 of position according to actual conditions, parts such as power source generator 21.The rear portion of shell can adopt the mode of grid or wire netting 5 to add forced ventilation for strengthening heat radiation.For guaranteeing the direction of insertion of optical fiber, establish lighting fiber socket 20 in the front portion of shell.
Lighting fiber (illumination fiber optic bundle) 19 derived light by this light source, for the historical relic that needs protection throws light on.
The rigging position situation and the function of each parts are in the housing:
At the rear portion of shell, electric light source 3 is fixed on the shell by metal frame 4, and the attached original papers 7 such as transformer that electric fan 6 reaches and electric light source is supporting are installed in respectively on the sidewall and base plate of shell, in the side and the bottom of electric light source.Electric fan 6 is electric light source and accessory ventilation and heat thereof.
Filter ultraviolet coated glass 8 and be installed in the front of electric light source, the ultraviolet part in the light is isolated.Convex lens 9 are installed on the lens mount 10 abreast, and lens mount 10 then welds together with tooth bar 11, are enclosed within the Slide Box 12 to slide front and back.Slide Box 12 is fixed on outer casing bottom, has stainless shot to be used to reduce friction in the box.
Gear 14 is interlocked with tooth bar 11, after motor 13 starts driven gear 14 is clockwise rotated, and convex lens 9 are moved to the B point from the A point along tooth bar 11.Gear 14 also can rotate counterclockwise, and can not run up by translator 13 1.
Gear 16 also is interlocked with tooth bar 11, after motor 15 starts driven gear 16 is changeed counterclockwise, and convex lens 9 are moved to the A point from the B point along tooth bar 11.Equally, gear 16 also can clockwise rotate, and can not run up by translator 15 1.
Be fixed on limit switch 17 on a shell end nearer between two gears, directly be fixed on the base plate of shell apart from optical fiber.The function of its switch realizes that by the touching of lens mount 10 switch is in normally off at ordinary times, and during lens mount touching A place, switch disconnects, and motor 15 stops operating.Position, contact A determined lens can the reach optical fiber head 19 nearest ends, also just determined the brightness value when emergent ray is the darkest.
Limit switch 18 end far away apart from optical fiber between two gears formed by limit switch 18a with the handle 18b of its welding.The function of its switch realizes that by the touching of lens mount 10 switch is in normally off at ordinary times, and during lens mount touching B place, switch disconnects, and motor 13 stops operating.Position, contact B determined lens can reach optical fiber head 19 end farthest, also determined the brightness value when emergent ray is the brightest.Handle 18b slides along the horizontal gap on the shell, can adjust the particular location of limit switch 18a, thereby regulates the maximum brightness of emergent ray, to satisfy the needs of different historical relics.
Wherein, the center of electric light source 3, coated glass 8, convex lens 9, optical fiber socket 20 on same axis, this several elements and axis normal.
At the opposite side of Slide Box 12, some other accessory relevant with circuit can be installed, as power source generator 22 etc.
The cogged knob 21 of mounting strap is made up of gear 21a and adjusting knob 21b, under the situation of manually control, regulate illumination, but push-turn key 21b, make gear 21a and tooth bar 11 interlocks, rotation 21b can regulate the position of convex lens, to satisfy the needs of a certain illumination.
Human induction switch among Fig. 21 can be installed in during the present embodiment use near the visit streamline in the exhibition area, select best induction range; Sliding handle 18b adjusts maximum brightness; With lighting fiber incoming fiber optic socket 20, and the other end of optical fiber caused the position that needs illumination; The connection power supply gets final product.Present embodiment can be realized fully manually or automatic fully professional historical relic illumination.Under fully automatic situation, the illumination of historical relic can adopt the automatic control circuit of a routine to be achieved.When visitor distance when (greater than the distance of infrared induction) far away, showcase has minimum visual response brightness, can see " showpiece is arranged " here with the guarantor; Walk close in the process of showpiece the visitor, light brightens gradually, and vision does not produce jump, and article are more and more clear; In face of the people went to showpiece, illumination reached setting.If the visitor is in an endless stream, it is constant that illuminating ray will remain on regulation illumination; If the visitor leaves, when nobody goes to the showcase front once more, light will be returned to brightness minimum, that vision can be experienced, the protection historical relic.When selecting manual mode, the staff can press and rotate the intensity of illumination of knob 21b adjusting needs according to the needs of different historical relics.
For obtaining desirable effect, can be according to optical principle, and adopt the mode of experiment to determine the position of distance, lens moving range AB between focal length, lens and the optical fiber head of the brightness of electric light source 1, lens at last at 2.
Main former device in the present embodiment all can adopt ready-made technology and product, can obtain more easily implementing.Wherein:
Electric light source 3 can consider to select the point type light source that some colour renderings are good, the colour temperature drift is little.Wherein, halogen tungsten lamp, Metal halogen lamp are light sources more satisfactory, that price is relatively cheap.Entered the ceramic gold-halogen lamp (HIC) of commercial application stage,, had small and exquisite G12 lamp holder as the single-ended product P OWERSTARHCI-T series of the ceramic inner pipe Metal halogen lamp of Ou Silang, power can be selected 35W, 70W and 150W, colour temperature 3000K, colour rendering index Ra＞83 are to consider the light source that uses.
Coated glass can adopt existing sol filming technology, as: the uvioresistant sol filming glass of Taiwan photochemistry limited company production forever, after adding visible light part antireflection colloidal sol technology, the ultraviolet ray penetrance is 5%, the visible light penetrance is 95%, can reasonablely remove the ultraviolet portion in the light and preserve the visible light part.
Limit switch will be selected smaller and more exquisite model, as: the HL-5000 type limit switch that Japanese Omron Corp produces, size is 50 * 24mm, can satisfy the demand.
In addition, motor, electric fan etc. has been the product of popularizing very much, needn't tire out at this and state.
Above embodiment can also add control more accurately, promptly adopts relatively more responsive light sensation controller to control the working condition of motor 13 and motor 15, thereby controls last illumination, and its effect is equivalent to the function of original limit switch 17,18.The luminosity induction head is placed in the shelter near illuminated historical relic, set minimal illumination and the highest brightness value according to the actual needs, when lens are moved to the B point by A, the illumination influence value changes when reaching the highest numerical value of setting, the light sensation controller will send corresponding signal, motor 13 is stopped operating, and illumination remains on peak; When lens by B when A moves, the illumination influence value changes the minimum numerical value reach setting, the light sensation controller sends signal, motor 15 stops operating, illumination remains on minimum.Also can keep limit switch 17,18 this moment, but its function will as to special circumstances (as electric light source do not work, situation such as lens are impaired) safeguard measure.
The light sensation controller has ready-made technical products, as Germany " Tai Bang " LU 118 type light sensation controllers just can reach this control effect.
Concrete optical texture embodiment of the present invention is shown in Fig. 6 a, 6b, wherein:
Optical texture that a kind of embodiment adopts and principle are provided with the shadow shield 65 of fiber port and the distance between the B point focal distance f smaller or equal to convex lens 64 as shown in Fig. 6 a; The light that penetrates by spot light 61 by the reflection of parabola shaped reflection shield 62 after the almost parallel ejaculation, these parallel rays 63 converge by convex lens 64, when optical fiber head 69 end distances of the focus of convex lens and optical fiber 68 when far away, be that lens are in A point (as Fig. 6 a-1), the light 66 that can effectively inject optical fiber is not very strong just, and other light 67 of not injecting optical fiber has just been reflected by shadow shield 65, and is therefore just very weak by the light of optical fiber head 610 ejaculations.Convex lens 64 by the A point in the process that the B point moves (as Fig. 6 a-2), the distance of the focus of convex lens and optical fiber head 69 is more and more nearer, effective incident optical 66 is grow gradually, during to the B point (as Fig. 6 a-3), all incident raies all become effective incident light, and the light luminance that is penetrated by optical fiber head 610 reaches the highest.According to the highest illumination regulation of different historical relics, can control the solstics that convex lens can arrive is B1, B2, B3, and controls maximum to the illumination of historical relic with this.
Another kind of embodiment optical texture also can adopt the situation among Fig. 6 b, and the shadow shield 65 of fiber port and the distance between the A point focal distance f more than or equal to convex lens 64 is set; At this moment, convex lens 64 focal lengths are shorter, and lens are when the A point (as Fig. 6 b-1), effectively incident ray 66 is the strongest, when convex lens 64 by the A point in the process that the B point moves (as Fig. 6 b-2), effective incident light dies down, during to the B point (as Fig. 6 b-3) effectively incident ray 66 is the most weak.
Each the components and parts annexation of driving of the present invention and control device embodiment and control circuit operation principle as shown in Figure 3, among the figure:
Q1 is a hand switch, the power supply of control whole light source.
Q2 is a hand switch, the still mode manually of automatic induction mode that is adjusted to of control light.
C is electric light source (comprising fan).
D is a power source generator, provides motor required power supply.
M1, M2 are direct current generator, and M1 is responsible for providing onward impulse, and M2 is responsible for providing and retreats power.
SQ1, SQ2 are respectively A, B place limit switch, are normally offs, and when lens mount was in the A place, SQ1 disconnected, and when lens mount was in the B place, SQ2 disconnected.
SQ3, SQ4 are by the switch of human inductor L control, and SQ3 is a normally open, and SQ4 is a normally off, as the people near the time, the SQ3 closure, SQ4 disconnects.
The annexation of each element is: electric light source (comprising fan) C and power source generator D link to each other with city's electrical network by hand switch Q1, hand switch Q2 respectively; Direct current generator M1, M2 link to each other with power source generator D by the limit switch SQ1 of place, SQ2 respectively; Switch S Q3, the SQ4 of human inductor L control respectively with locate limit switch SQ1, SQ2 and link to each other
The course of work of the control circuit of control said apparatus is:
When unmanned the visit, lens mount is positioned at the A place.At this moment, SQ1 disconnects, and SQ3 disconnects, the SQ2 closure, and the SQ4 closure, two loops all are off-states.Light is in the darkest state.
Have the visitor approaching, inductive switch moves, and SQ4 disconnects, the SQ3 closure, and at this moment, SQ1 disconnects, the SQ2 closure, the circuit of SQ2, SQ3 and M1 is connected, the M1 action, mechanical device drive lens frame moves to the B place, the SQ1 closure, light brightens gradually.
Lens mount moves to the B place, and light becomes the strongest.Lens mount touches SQ2, and SQ2 disconnects, and two whole off-states in loop, motor M 1 stop action, and lens mount stops at the B place.
Inductive switch has certain time delay, through (visitor leaves, and inductive switch no longer sends signal) after time delay, SQ3 disconnects, the SQ4 closure, at this moment, SQ1 is a closure state, SQ2 is an off-state, SQ1, SQ4, M2 circuit are connected, the M2 action, and mechanical device drive lens frame moves to the A place, the SQ2 closure, light is deepening gradually.
Lens mount moves to the A place, and lens mount touches SQ1, and SQ1 disconnects.At this moment, SQ1 disconnects, the SQ4 closure, and the SQ2 closure, SQ3 disconnects, and two circuit all disconnect.Motor M 2 stops action, and lens mount rests on the A place.
In normal circumstances, lens in the time of diverse location everywhere the connecting and disconnecting of the circuit situation as shown in Figure 4, wherein each symbolic representation:
The A lens are in the A point period;
A → B lens from A to the B movement slot;
The B lens are in the B point period;
B → A lens from B to the A movement slot;
When T1 L human induction switch detects the someone and enters search coverage;
The T2 human induction switch does not detect the someone once more and enters search coverage, and time-delay finishes;
The switch of SQ3 inductor L control (the closure when people comes, the people disconnects after leaving one section time delay, disconnects usually);
The switch of SQ4 inductor L control (disconnect when the people comes, the people leaves behind one section time delay closed, closed usually);
SQ1 A place limit switch (be generally closed, action disconnects);
SQ2 B place limit switch (be generally closed, action disconnects);
The M1 motor power (energising when SQ3 and SQ2 are closed simultaneously) that advances;
M2 retreats motor power (energising when SQ1 and SQ4 while closure).
Can not get rid of has a kind of special circumstances, be exactly at lens by B in the process of A motion, have such time T 3, human induction switch detects the someone and enters search coverage.Under this situation, circuit conditions as shown in Figure 5, wherein, T3 is illustrated in lens and detects the moment that the someone enters induction region by B in the process of A motion.
It should be noted that: at this time point of T3, the situation that four switches of SQ1, SQ2, SQ3, SQ4 of moment are all switched on may occur, also can make working condition when moment appears in M1 and M2 motor.But this time compole short, under the not very very big situation of power of motor, needn't worry to occur destructive situation.The existence of this T3 also is not adopt either-rotation motor in the present embodiment but the reason that adopts two one-way motors, if what adopt is a two-way motor, and just might be destroyed on the T3 point.
This control circuit is more common ripe circuit, and is commonplace in actual applications, not for a more detailed description at this.
Claims (8)
1, a kind of historical relic illumination special adjustable formula optical fiber source, comprise electric light source, with the plus lens of electric light source common optical axis, it is characterized in that, also comprise emergent light that receives this plus lens and the optical fiber that is directed to illumination place, fixing and control this plus lens and move driving and the control device that reaches the open and close electric light source along optical axis; Said driving and control device comprise the support of fixing this plus lens, drive transmission mechanism and drive motors thereof that support moves, the power source generator of the required power supply of motor is provided, set the limit switch or the light sensation controller of support moving range, control the human induction switch that this electric light source is opened, closed; After electric light source was opened, under the control of driving and control circuit, the plus lens that transmission mechanism drives on the support moved, and the light that enters optical fiber is changed from weak to strong; After electric light source is closed, drive and the control of control circuit under, the plus lens that transmission mechanism drives on the support moves, and makes the light that enters optical fiber from by force to weak variation.
2, historical relic illumination special adjustable formula optical fiber source as claimed in claim 1, it is characterized in that, said driving and control device also comprise the handle in order to manual adjustment limit-switch positions affixed with this limit switch, in order to the manual knob of control lens particular location.
3, historical relic illumination special adjustable formula optical fiber source as claimed in claim 1 is characterized in that said transmission mechanism adopts gear, rack gear or pulley transmission mechanism.
4, historical relic illumination special adjustable formula optical fiber source as claimed in claim 1, it is characterized in that, said electric light source comprise colour rendering preferably spot light and the transformer that matches with it, for the electric fan of electric light source heat radiation, transfer the diverging light of this spot light the Parabolic reflective light shield of directional light to, and be arranged on the preceding ultraviolet optical filter of filter of reflective light shield.
5, historical relic illumination special adjustable formula optical fiber source as claimed in claim 1 is characterized in that said plus lens adopts convex lens.
6, historical relic illumination special adjustable formula optical fiber source as claimed in claim 5 is characterized in that the distance between the solstics said fiber port and that convex lens move is smaller or equal to the focal length of convex lens.
7, historical relic illumination special adjustable formula optical fiber source as claimed in claim 5 is characterized in that the distance between the closest approach said fiber port and that convex lens move is more than or equal to the focal length of convex lens.
8, historical relic illumination special adjustable formula optical fiber source as claimed in claim 1 is characterized in that said optical fiber adopts simple optical fiber or is made of fibre bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031535038A CN1184434C (en) | 2003-08-15 | 2003-08-15 | Single-purpose adjustable optical fibre luminous source for cultural relics exhibition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031535038A CN1184434C (en) | 2003-08-15 | 2003-08-15 | Single-purpose adjustable optical fibre luminous source for cultural relics exhibition |
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| CN1482389A CN1482389A (en) | 2004-03-17 |
| CN1184434C true CN1184434C (en) | 2005-01-12 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203757523U (en) * | 2014-04-07 | 2014-08-06 | 林璧光 | Lens focus adjustable LED-type spot lamp |
| CN104726841A (en) * | 2015-03-09 | 2015-06-24 | 北京智朗芯光科技有限公司 | Assistant temperature correction device and method for semiconductor film growth reaction chamber |
| CN106678741A (en) * | 2015-11-11 | 2017-05-17 | 中国科学院高能物理研究所 | Device and method for adjusting number of photons output by light source |
| CN106102210B (en) * | 2016-06-02 | 2017-12-19 | 北京印刷学院 | It is a kind of can Intelligent adjustment LED art work illuminators |
| CN106583896A (en) * | 2016-12-14 | 2017-04-26 | 安庆市宜安气体有限公司 | Welding rod holder with protective hood |
| CN107143821A (en) * | 2017-05-17 | 2017-09-08 | 重庆东方盛龙光电科技有限公司 | Fiber optic conduction illuminator and its application |
| CN111096573A (en) * | 2018-10-26 | 2020-05-05 | 青岛海尔特种电冰柜有限公司 | Wine cabinet and door opening and closing control method |
| CN109217862B (en) * | 2018-10-29 | 2024-04-19 | 合肥泛米智能科技有限公司 | Multifunctional intelligent switch |
| CN109630914A (en) * | 2019-01-28 | 2019-04-16 | 博朗特互联科技(苏州)有限公司 | A kind of far and near distance projection lamp fitting and its lamp combination |
| CN114696196B (en) * | 2022-06-02 | 2022-11-11 | 深圳公大激光有限公司 | Optical fiber laser with adjustable light spot energy |
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