CN105250037A - Cold light source lighting device - Google Patents
Cold light source lighting device Download PDFInfo
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- CN105250037A CN105250037A CN201510589891.3A CN201510589891A CN105250037A CN 105250037 A CN105250037 A CN 105250037A CN 201510589891 A CN201510589891 A CN 201510589891A CN 105250037 A CN105250037 A CN 105250037A
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Abstract
The invention relates to a cold light source lighting device, comprising a power supply unit (1) and more than one group of cold light sources (4) connected with the power supply unit (1). Each cold light source (4) respectively controls a switch through a switch control unit (3). The cold light source is also provided with a dimming component. The dimming component comprises a dimming rotary knob (5), a shading panel (8), and a gear rack transmission mechanism. The dimming rotary knob (5) is connected with the gear rack transmission mechanism through a rotary knob shaft (6). The gear rack transmission mechanism is connected with the shading panel (8). Through rotating the dimming rotary knob (5), the gear rack transmission mechanism drives the shading panel (8) to move, so light of the cold light source is regulated. Compared with the prior art, the device is advantaged by low cost, convenient use, good user experience, and reliable dimming.
Description
Technical field
The present invention relates to a kind of illuminator, especially relate to a kind of cold light source lighting device.
Background technology
Many armarium are all equipped with cold light source to be used to provide deep illuminating in operation.Such as, endoscope is a pipe being equipped with cold light source, and it can enter gastric or enter in human body through other natural hole by direct oral cavity, and utilize endoscope can see the pathological changes that X-ray can not show, therefore it is very useful to doctor.Such as, doctor by the ulcer of endoscopic observation gastric or tumor, can make best medical scheme accordingly.
But the bulb of all cold light sources has certain service life, after the rated life time arrives, the probability that fracture of wire is scrapped can increase greatly.If bulb is scrapped in clinical operation way, manually can only change lamp, but due to bulb light a period of time after can send high heat, needs just can be changed after waiting for a period of time and allowing bulb cool, operating time can be delayed for this reason, and then jeopardize the life safety of patient, cause malpractice.
Scrap to solve bulb in operation way, change the troublesome problem of lamp, Chinese patent application CN201063917Y proposes a kind of Medical Cold Light Source from moving lamp, in order to provide a kind of replacing bulb convenient, automaticity is high, the Medical Cold Light Source structure of use safety, but the design increases motor and corresponding control unit, structure is more complicated, and manufacturing cost is high.
Chinese patent application CN201310398816.X proposes a kind of Medical Cold Light Source device with life-span warning function, built-in temperature transducer, illuminance measuring quantity sensor and corresponding controlled processing unit, record and store accumulative service time and the illuminance of light source, according to accumulative service time and/or illuminance, the life-span to light source calculates, and contrasts preset value and determine whether to carry out early warning.But the use of sensor not only can increase cost of manufacture, and once sensor failure also can make prior-warning device work, affect operation process.
Simultaneously, when observing pathological changes by cold light source, often people's intracorporeal organ physiological condition is very complicated, changeable, as: patient may exist hydrops, long-pending just, pressure fluctuation, internal organs wriggling etc., cause observed focus to be in very complicated kinestate, therefore need to provide suitable brightness to reach the effect of Diagnosis and Treat according to different irradiated sites and state.A kind of cold light source device of medical endoscope that Chinese patent application ZL200920190025.7 proposes, this device is with light modulation parts, motor potentiometer is utilized to drive dark slide to rotate, reach the effect of regulating illumination brightness, but the use of motor potentiometer not only makes apparatus structure complicated, too increases manufacturing cost simultaneously.
Summary of the invention
Object of the present invention is exactly provide that a kind of cost is low, easy to use, Consumer's Experience sense is good, the reliable cold light source lighting device of light modulation to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions: a kind of cold light source lighting device, and the cold light source of more than a group comprising power supply unit and be connected with this power supply unit, each cold light source controls its switch respectively by switch control unit.
Described cold light source comprises the light-emitting components such as xenon lamp, Halogen light or LED.Preferred xenon lamp, it is luminous that xenon lamp luminescence belongs to noble gas discharge, the resoance radiation wavelength of noble gas is very short, and under hyperbar, super pressure, the atom of noble gas is excited to higher energy level and a large amount of ionization, and xenon lamp needs to be equipped with special trigger and lights to produce instantaneous high pressure.The spectrum of xenon gaseous discharge and daylight are the most close, and brightness is high, the life-span is long, power saving.
Described cold light source lighting device also comprises at least one trigger, this trigger between power supply unit and switch control unit, or between switch control unit and cold light source.A preferably trigger.
Described switch control unit comprises multiple on-off circuit, and each on-off circuit is corresponding with each cold light source to be connected, and manually change-over switch or automatic control circuit control connection or the disconnection of each on-off circuit, thus selects the cold light source needed to carry out work.
Each described on-off circuit shares same trigger, or each on-off circuit respectively connects a trigger.
The negative pole place of each cold light source all arranges on-off circuit, the positive pole of each cold light source connects the positive pole of trigger, and negative pole connects the negative pole of trigger, when certain cold light source lighted by needs by corresponding on-off circuit, corresponding on-off circuit is connected, and lights corresponding cold light source.The negative pole that on-off circuit connects trigger makes switching over operation safer.
The positive pole place of each cold light source all arranges on-off circuit, the positive pole of each cold light source connects the positive pole of trigger by corresponding on-off circuit, negative pole connects the negative pole of trigger, when certain cold light source lighted by needs, corresponding on-off circuit is connected, and lights corresponding cold light source.
Described cold light source is with light modulation parts, and these light modulation parts comprise light-control knob, shading panel, rack and pinion drive mechanism; Described light-control knob connects rack and pinion drive mechanism by rotation axis, and described rack and pinion drive mechanism is connected with shading panel;
Described rack and pinion drive mechanism comprises driving rack, gear, tooth bar seat; Described driving rack and gear engage each other, and are together arranged on tooth bar seat, and this tooth bar seat is also provided with gathering sill, for limiting the shift position of travelling gear and leading.The design of rack and pinion drive mechanism can make light-control knob away from the light hole of cold light source, reduces user in operation by risk that cold light source uses the heat of rear generation to scald for a long time.
Described tooth bar seat is provided with a recess, the decorative pearl on top of an official cap and decorative pearl on top of an official cap spring is placed with in this recess, the described decorative pearl on top of an official cap is placed in the row's groove on driving rack, and slide with between row's groove on driving rack of the movement of driving rack, make light-control knob produce shift feeling in rotary course, and provide good feel for user.
Described shading panel is arranged on the lampshade of cold light source, but is not limited to be arranged on the lampshade of cold light source, also can be arranged on other positions.Rotate light-control knob, shading panel motion is driven by rack and pinion drive mechanism, carry out light modulation to cold light source, specifically, shading panel is provided with a loophole, moved horizontally by shading panel, the overlapping area of the loophole on adjustment shading panel and the light hole on cold light source lampshade, and then regulate the amount of light of cold light source, when the overlapping area of the light hole on the loophole on shading panel and cold light source lampshade is larger, amount of light is more, otherwise then anti-.
Described loophole can be triangle or other irregular shape, and such as, when loophole is triangle, cold light source can by the light hole of lampshade, appearing from shading panel.When light-control knob rotates to Far Left, one end minimum on shading panel can move to the light hole dead ahead of cold light source lampshade, makes the light intensity of output minimum; When light-control knob rotates to rightmost, one end that on shading panel, the loophole of triangle is maximum can move to the light hole dead ahead of cold light source lampshade, makes the light intensity of output maximum.
Described cold light source lampshade top is provided with a roller, and bottom is also provided with a limiting plate, and for avoiding, shading panel is upper and lower, front and back displacement.Described shading panel is hung on roller, makes the movement of shading panel more smooth and easy, and shading panel can top bending be hung on roller, also can adopt other modes.
Voltage on line side is converted to the voltage that applicable cold light source lighting device uses by described power supply unit.
Compared with prior art, tool of the present invention has the following advantages:
(1) the application has and organizes cold light source more, in use, when one group of cold light source breaks down, can switch manually or automatically and connect other cold light sources, ensure normally carrying out of operation;
(2) in the application, many group cold light sources can share a set of power supply unit and trigger, reduce manufacturing cost;
(3) design of the application can add change-over switch at the negative pole of trigger, and like this when selecting the work of a certain cold light source, switching over operation is safer;
(4) the application is not only applicable to xenon lamp cold light source, is applicable to the light source of other types yet, as the design of Halogen light, LED etc., applied widely;
(5) the application have employed novel mechanical light modulation design, and design more succinct, the micro computer light adjusting system used comparatively at present more can save design cost, and makes dimming mode more reliable, can avoid the risk that electromagnetic interference etc. is brought;
(6) the novel mechanical dimmer design of the application's employing, compared with designing with traditional cold light source mechanical light modulation, user need contact brightness regulation part can away from the light-emitting window of cold light source, if cold light source adopts the light source that the caloric value such as xenon lamp, Halogen light is larger, then can make user's stow away from heat in the operating process of brightness regulation, ensure safety;
(7) the novel mechanical dimmer design of the application's employing, introduces the design of the decorative pearl on top of an official cap and decorative pearl on top of an official cap spring, improves the feel of user in operation light-control knob process, making user can experience shift feeling clearly when operating, improve Consumer's Experience sense.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of cold light source lighting device in the embodiment of the present application 1;
Fig. 2 is the partial schematic diagram of the embodiment of the present application 1 pair of xenon lamp illuminator;
Fig. 3 is the partial schematic diagram of the embodiment of the present application 2 pairs of xenon lamp illuminators;
Fig. 4 is the theory diagram of a kind of cold light source lighting device in the embodiment of the present application 4;
Fig. 5 is the partial schematic diagram of two xenon lamp illuminator in the embodiment of the present application 4;
Fig. 6 is the theory diagram of a kind of cold light source lighting device in the embodiment of the present application 5;
Fig. 7 is the partial schematic diagram of two xenon lamp illuminator in the embodiment of the present application 5;
Fig. 8 is the partial schematic diagram of two xenon lamp illuminator in the embodiment of the present application 6;
Fig. 9 is the partial wiring diagram of the embodiment of the present application 1 pair of xenon lamp illuminator;
Figure 10 is the structural representation of the light modulation parts of a kind of cold light source lighting device of the application;
Figure 11 is the structural representation of the rack and pinion drive mechanism of the application;
Be designated in figure: 1 power supply unit, 10 voltage on line side, 100 supply sockets, 101 on and off switch, 102 microswitch A, 103 microswitch B, 104 electric fuses, 11 xenon lamp power supplies, 2 triggers, 3 switch control units, 300 switch relay A, 301 switch relay B, 310 master control borads, 311 timing display A, 312 timing display B, 313 timing SR A, 314 timing SR B, 315 power supply heat sinking fans, 316 radiator fan A, 317 radiator fan B, 318 DC source keysets, 319 positive and negative change-over switches, 4 luminescence units, 40 xenon lamp bulb A, 41 xenon lamp bulb B, 5 light-control knobs, 6 rotation axis, 70 driving racks, 71 gears, 72 tooth bar seats, 720 gathering sills, 8 shading panels, 9 limiting plates, 12 rollers, 13 decorative pearls on top of an official cap, 14 decorative pearl on top of an official cap springs.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
Be illustrated in figure 1 a kind of theory diagram of cold light source lighting device, comprise connect successively power supply unit 1, trigger 2, switch control unit 3 and more than one group cold light source 4, this cold light source can be the light-emitting components such as xenon lamp.Trigger 2 is provided with one, switch control unit 3 comprises multiple on-off circuit, the negative pole of each cold light source 4 all connects the negative pole of trigger by corresponding on-off circuit, the positive pole of each cold light source 4 all connects the positive pole of trigger 2, when certain cold light source 4 lighted by needs, controlled the connection of corresponding on-off circuit by automatic control circuit, thus select the cold light source 4 needed to carry out work.The negative pole that on-off circuit connects trigger 2 makes switching over operation safer.
According to above-mentioned principle, two xenon lamp illuminator (as shown in Figure 2 and Figure 9) is devised for two groups of xenon lamps, use switch relay as on-off circuit, Fig. 2 is the partial schematic diagram of two xenon lamp illuminator, wherein power supply unit 1 comprises voltage on line side 10 and xenon lamp power supply 11, voltage on line side 10 is converted to the magnitude of voltage that this illuminator applicable uses by xenon lamp power supply 11, the outfan of xenon lamp power supply 11 connects the input of trigger 2, for trigger 2 is powered, luminescence unit 4 comprises xenon lamp bulb A40 and the xenon lamp bulb B41 of two groups of parallel connections, the High voltage output positive pole of trigger 2 connects xenon lamp bulb A40 in parallel and the positive pole of xenon lamp bulb B41, the negative pole (earth terminal) of trigger 2 is connected the negative pole of xenon lamp bulb A40 and xenon lamp bulb B41 respectively by switch relay A300 and switch relay B301.Controlled connection or the disconnection of corresponding switch relay by automatic control circuit, thus select the xenon lamp bulb needed to carry out work.
Fig. 9 is the partial wiring diagram of two xenon lamp illuminator, supply socket 100 is connected the input port of xenon lamp power supply 11 with electric fuse 104 by the microswitch B103 of the microswitch A102 of on and off switch 101, xenon lamp bulb A40, xenon lamp bulb B41, voltage on line side 10 is converted to the unidirectional current of 12V and 16A by xenon lamp power supply 11, and is powered to trigger 2, master control borad 310 by corresponding lead-out terminal; Power to power supply heat sinking fan 315, the radiator fan A316 of xenon lamp bulb A40 and the radiator fan B317 of xenon lamp bulb B41 by DC source keyset 318 simultaneously.
The positive pole (high-voltage output end) of trigger 2 connects the positive pole of xenon lamp bulb A40 parallel with one another and xenon lamp bulb B41, and the negative pole (earth terminal) of trigger 2 connects the binding post of master control borad 310 correspondence;
Master control borad 310 is provided with detection module, timing module, control treatment module and multiple binding post; Timing module comprises timing display A311, the timing display B312 of xenon lamp bulb B41 of xenon lamp bulb A40, the timing SR B314 of the timing SR A313 of xenon lamp bulb A40 and xenon lamp bulb B41.
Whether the xenon lamp bulb malfunction of current use is detected by detection module, and send corresponding control signal to control treatment module, control treatment module receives signal and processes, and send corresponding control signal, export turning on and off of corresponding low and high level gauge tap relay through corresponding binding post, thus control corresponding xenon lamp bulb and light and extinguishing.Meanwhile, master control borad 310 controls positive and negative change-over switch 319 by corresponding binding post output signal and then controls opening and closedown of corresponding radiator fan.
Above-mentioned cold light source is with light modulation parts, and as shown in Figure 10, these light modulation parts comprise light-control knob 5, shading panel 8, rack and pinion drive mechanism; Described light-control knob 5 connects rack and pinion drive mechanism by rotation axis 6, and described rack and pinion drive mechanism is connected with shading panel 8; As shown in figure 11, described rack and pinion drive mechanism comprises driving rack 70, gear 71, tooth bar seat 72; Described driving rack 70 engages each other with gear 71, and is together arranged on tooth bar seat 72, this tooth bar seat 72 is also provided with gathering sill 720, for limiting the shift position of driving rack 70 and leading.
Described tooth bar seat 72 is provided with a vertical recess, the decorative pearl on top of an official cap 13 and decorative pearl on top of an official cap spring 14 is placed with in this recess, the described decorative pearl on top of an official cap 13 is placed in the row's groove above driving rack 70, decorative pearl on top of an official cap spring 14 is vertically placed on the decorative pearl on top of an official cap 13, when rotating light-control knob 5, the decorative pearl on top of an official cap 13 slides with between row's groove above driving rack 70 of the movement of driving rack 70, makes light-control knob 5 produce shift feeling in rotary course, and provides good feel for user.The design of rack and pinion drive mechanism can make light-control knob 5 away from the light hole of cold light source, reduces user in operation by the long-time risk using the rear heat produced to scald of cold light source 4.
Described shading panel 8 top bending, and be hung on the roller 12 at the lampshade top of cold light source, make the movement of shading panel 8 more smooth and easy.Be provided with a limiting plate 9 bottom cold light source, for avoiding, shading panel 8 is upper and lower in moving process, front and back displacement.Shading panel 8 has a leg-of-mutton loophole, and cold light source, by after the light hole of lampshade, appears from the vee of shading panel 8.When light-control knob 5 rotates to Far Left, one end that on shading panel 8, leg-of-mutton breach is minimum can move to the light hole dead ahead of xenon lamp lampshade, makes the light intensity of output minimum; When light-control knob 5 rotates to rightmost, one end that on shading panel 8, leg-of-mutton breach is maximum can move to the light hole dead ahead of lampshade, makes the light intensity of output maximum.
Embodiment 2
In embodiment 1, the positive pole of each cold light source 4 all connects the positive pole of trigger 2 by corresponding on-off circuit, the negative pole of each cold light source 4 all connects the negative pole of trigger 2, when certain cold light source 4 lighted by needs, manually change-over switch or automatic control circuit control the connection of corresponding on-off circuit, thus select the cold light source 4 needed to carry out work.Adopt this mode of connection devise as shown in Figure 3 for two xenon lamp illuminators of two groups of xenon lamps.All the other are with embodiment 1.
Embodiment 3
Switch relay A300 in embodiment 1 and switch relay B301 manually change-over switch controls.All the other are with embodiment 1.
Embodiment 4
Be illustrated in figure 4 a kind of theory diagram of cold light source lighting device, comprise connect successively power supply unit, switch control unit, trigger and more than one group cold light source, cold light source can be the light-emitting components such as xenon lamp.Described trigger is provided with multiple, described switch control unit comprises multiple on-off circuit, each on-off circuit, trigger and cold light source connect one to one all successively, manually change-over switch or automatic control circuit control connection or the disconnection of each on-off circuit, thus select the cold light source needed to carry out work.Above-mentioned principle is adopted to devise two xenon lamp illuminators as shown in Figure 5 for two groups of two xenon lamps.All the other are with embodiment 1.
Embodiment 5
Be illustrated in figure 6 a kind of theory diagram of cold light source lighting device, comprise connect successively power supply unit 1, trigger 2, switch control unit 3 and more than one group cold light source 4, cold light source 4 can be the light-emitting components such as xenon lamp, Halogen light or LED.Described trigger 2 is provided with multiple, described switch control unit 3 comprises multiple on-off circuit, the positive pole of each cold light source 4 all connects the positive pole of corresponding trigger 2 by corresponding on-off circuit, the negative pole of each cold light source 4 all connects the negative pole of corresponding trigger 2.
According to above-mentioned principle, devise two xenon lamp illuminators as shown in Figure 7 for two groups of xenon lamps.All the other are with embodiment 1.
Embodiment 6
The connected mode of cold light source 4 and trigger 2 in embodiment 5 also can be such: the negative pole of each cold light source 4 all connects the negative pole of corresponding trigger 2 by corresponding on-off circuit, the positive pole of each cold light source 4 all connects the positive pole of corresponding trigger 2.According to this connected mode, devise two xenon lamp illuminators as shown in Figure 8 for two xenon lamp, all the other are with embodiment 5.
Embodiment 7
A theory diagram for cold light source lighting device, comprise connect successively power supply unit 1, switch control unit 3 and more than one group cold light source 4, this cold light source can be the light-emitting component such as Halogen light or LED.Described switch control unit 3 comprises multiple on-off circuit, and each cold light source 4 connects one by one with corresponding on-off circuit, is controlled the connection of corresponding on-off circuit by automatic control circuit or MTS, thus selects the cold light source 4 needed to carry out work.
Above-mentioned cold light source is with light modulation parts, and as shown in Figure 10, these light modulation parts comprise light-control knob 5, shading panel 8, rack and pinion drive mechanism; Described light-control knob 5 connects rack and pinion drive mechanism by rotation axis 6, and described rack and pinion drive mechanism is connected with shading panel 8; As shown in figure 11, described rack and pinion drive mechanism comprises driving rack 70, gear 71, tooth bar seat 72; Described driving rack 70 engages each other with gear 71, and is together arranged on tooth bar seat 72, this tooth bar seat 72 is also provided with gathering sill 720, for limiting the shift position of driving rack 70 and leading.
Described tooth bar seat 72 is provided with a vertical recess, the decorative pearl on top of an official cap 13 and decorative pearl on top of an official cap spring 14 is placed with in this recess, the described decorative pearl on top of an official cap 13 is placed in the row's groove above driving rack 70, decorative pearl on top of an official cap spring 14 is vertically placed on the decorative pearl on top of an official cap 13, when rotating light-control knob 5, the decorative pearl on top of an official cap 13 slides with between row's groove above driving rack 70 of the movement of driving rack 70, makes light-control knob 5 produce shift feeling in rotary course, and provides good feel for user.The design of rack and pinion drive mechanism can make light-control knob 5 away from the light hole of cold light source, reduces user in operation by the long-time risk using the rear heat produced to scald of cold light source 4.
Described shading panel 8 top bending, and be hung on the roller 12 at the lampshade top of cold light source, make the movement of shading panel 8 more smooth and easy.Be provided with a limiting plate 9 bottom cold light source, for avoiding, shading panel 8 is upper and lower in moving process, front and back displacement.Shading panel 8 has a leg-of-mutton loophole, and cold light source, by after the light hole of lampshade, appears from the vee of shading panel 8.When light-control knob 5 rotates to Far Left, one end that on shading panel 8, leg-of-mutton breach is minimum can move to the light hole dead ahead of xenon lamp lampshade, makes the light intensity of output minimum; When light-control knob 5 rotates to rightmost, one end that on shading panel 8, leg-of-mutton breach is maximum can move to the light hole dead ahead of lampshade, makes the light intensity of output maximum.
Above-mentioned light modulation parts not only may be used for the cold light source described in the present embodiment, also can be used for other light-emitting components such as xenon lamp.
Embodiment 8
Shading hole on shading panel 8 can be that other are irregularly shaped, and all the other are with embodiment 1.
Claims (11)
1. a cold light source lighting device, it is characterized in that, the cold light source (4) of more than one group comprising power supply unit (1) and be connected with this power supply unit (1), each cold light source (4) controls its switch respectively by switch control unit (3).
2. a kind of cold light source lighting device according to claim 1, is characterized in that, described cold light source comprises xenon lamp, Halogen light or LED.
3. a kind of cold light source lighting device according to claim 1 and 2, it is characterized in that, described cold light source lighting device also comprises at least one trigger (2), this trigger (2) is positioned between power supply unit (1) and switch control unit (3), or is positioned between switch control unit (3) and cold light source (4).
4. a kind of cold light source lighting device according to claim 3, it is characterized in that, described switch control unit (3) comprises multiple on-off circuit, each on-off circuit is corresponding with each cold light source (4) to be connected, manually change-over switch or automatic control circuit control connection or the disconnection of each on-off circuit, thus select the cold light source (4) needed to carry out work.
5. a kind of cold light source lighting device according to claim 4, is characterized in that, each described on-off circuit shares same trigger (2), or each on-off circuit respectively connects a trigger (2).
6. a kind of cold light source lighting device according to claim 4, it is characterized in that, the negative pole place of each cold light source (4) all arranges on-off circuit, the positive pole of each cold light source (4) connects the positive pole of trigger (2), negative pole connects the negative pole of trigger (2) by corresponding on-off circuit, when needs light certain cold light source (4), corresponding on-off circuit is connected, and lights corresponding cold light source (4);
Or, the positive pole of each cold light source (4) connects the positive pole of trigger (2) by corresponding on-off circuit, negative pole connects the negative pole of trigger (2), when needs light certain cold light source (4), corresponding on-off circuit is connected, and lights corresponding cold light source (4).
7. a kind of cold light source lighting device according to claim 1, it is characterized in that, described cold light source (4) is with light modulation parts, and these light modulation parts comprise light-control knob (5), shading panel (8), rack and pinion drive mechanism; Described light-control knob (5) connects rack and pinion drive mechanism by rotation axis (6), and described rack and pinion drive mechanism is connected with shading panel (8); Rotate light-control knob (5), drive shading panel (8) to move by rack and pinion drive mechanism, light modulation is carried out to cold light source (4).
8. a kind of cold light source lighting device according to claim 7, it is characterized in that, described shading panel (8) is provided with a loophole, by the overlapping area of the light hole on the mobile lampshade regulating loophole and cold light source (4) of shading panel (8), and then regulate the amount of light of cold light source (4).
9. a kind of cold light source lighting device according to claim 7, it is characterized in that, the lampshade top of described cold light source (4) is provided with a roller (12), and described shading panel (8) is hung on roller (12).
10. a kind of cold light source lighting device according to claim 7, is characterized in that, described rack and pinion drive mechanism comprises driving rack (70), gear (71), tooth bar seat (72); Described driving rack (70) and gear (71) engage each other, and are together arranged on tooth bar seat (72), and this tooth bar seat (72) is also provided with gathering sill (720).
11. a kind of cold light source lighting devices according to claim 10, it is characterized in that, described tooth bar seat (72) is provided with a recess, the decorative pearl on top of an official cap (13) and decorative pearl on top of an official cap spring (14) is placed with in this recess, the described decorative pearl on top of an official cap (13) withstands in row's groove, and slide between row's groove with the movement of driving rack (70), thus ensure the shift feeling in light-control knob (5) rotation process.
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| CN201510589891.3A CN105250037A (en) | 2015-09-16 | 2015-09-16 | Cold light source lighting device |
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| CN201510589891.3A CN105250037A (en) | 2015-09-16 | 2015-09-16 | Cold light source lighting device |
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| CN102297390A (en) * | 2011-07-01 | 2011-12-28 | 广州彩熠灯光有限公司 | Mechanical dimming system for stage light |
| CN202738227U (en) * | 2012-05-12 | 2013-02-13 | 深圳市汇健医疗工程有限公司 | Digital hybrid operation intelligent transformation shadowless lamp |
| CN203103183U (en) * | 2013-03-04 | 2013-07-31 | 重庆市大明汽车电器有限公司 | Automobile dimmer switch |
| CN103474035A (en) * | 2013-09-18 | 2013-12-25 | 深圳市华星光电技术有限公司 | Backlight module used in liquid crystal display device and control method of backlight module |
| CN205215370U (en) * | 2015-09-16 | 2016-05-11 | 上海波鸿医疗器械科技有限公司 | Cold light source lighting device |
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Application publication date: 20160120 |