CN102121634B - LED shadowless lamp - Google Patents

LED shadowless lamp Download PDF

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Publication number
CN102121634B
CN102121634B CN2010106145152A CN201010614515A CN102121634B CN 102121634 B CN102121634 B CN 102121634B CN 2010106145152 A CN2010106145152 A CN 2010106145152A CN 201010614515 A CN201010614515 A CN 201010614515A CN 102121634 B CN102121634 B CN 102121634B
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China
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described
module
led
light source
base
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CN2010106145152A
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Chinese (zh)
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CN102121634A (en
Inventor
彭卫刚
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东莞勤上光电股份有限公司
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Publication of CN102121634A publication Critical patent/CN102121634A/en
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Abstract

The invention relates to a semiconductor illumination technology, in particular to an LED shadowless lamp which comprises a lamp body, wherein the center of the lamp body is provided with a handle, and the periphery of the handle is provided with a plurality of LED sub light sources. The LED shadowless lamp is characterized in that the lamp body is provided with an inner spherical surface, and the LED sub light sources are arranged on the inner spherical surface; all the LED sub light sources are arranged towards the sphere center of the inner spherical surface, and distances between any two adjacent LED sub light sources are equal; the LED sub light sources are enclosed to form a group of regular hexagons taking the handle as a center, the side lengths of all the regular hexagons are gradually increased, and the centers are superposed; and each LED sub light source comprises a module base and a module shell. The LED shadowless lamp has the advantage of relatively uniform light in an irradiation area.

Description

The LED shadowless lamp

Technical field

The present invention relates to the semiconductor lighting technology, relate in particular to a kind of LED shadowless lamp.

Background technology

The semiconductor lighting technology has been widely used in every field because it has energy-conservation and characteristics long service life, and medical shadowless lighting is no exception.LED is real cold light source, under equal illumination, its emittance is lower than halogen tungsten bulb widely, that is to say with LED as the operation shadowless lamp of light source when being used for the operation illumination, people's injected organism tissue is not damaged at all, and the LED lamp is the inexorable trend of operation shadowless lamp development as a kind of new light source of operation shadowless lamp.

Shadowless lamp is very high to the uniformity requirement of light in the irradiation area.Traditional LED shadowless lamp, arranging of its led light source module, be roughly the square matrices formula and arrange, on the whole, the large line of light is uniform in this irradiation area of arranging, because the distance between adjacent LED light source module is unequal, for irradiated local object, be inhomogeneous to the light of direction, although this difference is very little, but for Medical shadowless lamp, also can produce interference to the vision of operative doctor.

Summary of the invention

The object of the invention is to overcome above-mentioned the deficiencies in the prior art part and the relatively uniform LED shadowless lamp of light in a kind of irradiation area is provided.

Purpose of the present invention can be achieved through the following technical solutions:

A kind of LED shadowless lamp, comprise lamp body, the lamp body center has handgrip, some LED sub-light sources are set around the handgrip, it is characterized in that: described lamp body has the endosphere surface, the LED sub-light source is arranged at the endosphere surface, and each LED sub-light source is all towards the centre of sphere setting on endosphere surface, and the distance between two LED sub-light sources of arbitrary neighborhood equates; Described LED sub-light source surrounds one group of regular hexagon centered by described handgrip, the cumulative and center superposition of each regular hexagon length of side; The LED sub-light source comprises module base and module shell.

The LED shadowless lamp is characterized in that: the orthographic projection at the edge on described endosphere surface is rounded; Six summits of outermost regular hexagon do not arrange the LED sub-light source; The radius of a ball on described endosphere surface is between 800mm to 1200mm.

The LED shadowless lamp is characterized in that: the orthographic projection at the edge on described endosphere surface is regular hexagon; The radius of a ball on described endosphere surface is between 800mm to 1200mm.

The LED shadowless lamp is characterized in that: the module base has installing hole, is used for the module floor installation being provided with led light source in the base in LED shadowless lamp lamp body, and module shell is threaded connection in the module base, and module shell is installed with led light source in die holder.

The LED shadowless lamp is characterized in that: described module base is tubular, and the bottom has outer rim, and described installing hole is arranged at outer rim; Described module shell also is tubular, and the top has inner edge, and the outer wall of described module base has external screw thread, and described module shell inwall has the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source; Described led light source comprises aluminium base, is provided with the LED bulb above the aluminium base, is provided with electrode below the aluminium base; Described led light source also comprises lens and light source item lid; Have two locating holes above the described aluminium base, accordingly the bottom surface of described lens with two locating dowels are arranged; Described light source top cover is tubular and its top has inner edge, and the light source top cover is sheathed on described aluminium base and described lens, and the inner edge of light source top cover presses on the top of described lens; Described aluminium base outer wall has prominent position, location, and the bottom of described light source top cover has corresponding location recess; Described module base inner wall has locating groove, and described led light source outer wall has corresponding location card key; Described led light source top has the step corresponding with edge within the described module shell; Described lens top has the step corresponding with edge within the described light source top cover.

The LED shadowless lamp is characterized in that: the module base has installing hole, is used for the module floor installation in LED shadowless lamp lamp body, and the module base outer wall has overhead kick, and the module shell inwall has prominent position, and module shell is connected in the module base by overhead kick and prominent position.

The LED shadowless lamp is characterized in that: also comprise aluminium base, module base ringwise plate-like and bottom surface has counterbore, and aluminium base is installed with in described counterbore, has the LED bulb on the aluminium base, and the LED bulb exposes from the center of the annular of module base; Also comprise flexible PCB, flexible PCB one end is connected in aluminium base, and the other end is drawn from the side of aluminium base, and accordingly, the bottom of described module shell has the breach that holds described flexible PCB; Also comprise lens, lens are installed with between described module base and described module shell; Also have the installing hole reinforcing prop in the counterbore, aluminium base has the opening corresponding with described installing hole reinforcing prop, and described opening and described installing hole reinforcing prop consist of the location of aluminium base in described counterbore; Described aluminium base also has the lens position hole, and also expose from the center of the annular of described module base in the lens position hole, and accordingly, described lens bottom has locating dowel; Described module shell is tubular and its top has inner edge, module shell inner edge press on the top of described lens; The top of described overhead kick is provided with prominent position guiding chute; Described lens top has the step corresponding with edge within the described module shell.

The LED shadowless lamp is characterized in that: the exiting surface of lamp body has some pedestals, and pedestal is provided with electrode, and each electrode connects supply unit by flexible PCB; Described pedestal side has breach, and described electrode is arranged in the breach; Described LED shadowless lamp comprises module base and module shell, the module base has installing hole, is used for the module floor installation in lamp body, and the module base outer wall has overhead kick, the module shell inwall has prominent position, and module shell is connected in the module base by overhead kick and prominent position; Also comprise aluminium base, module base ringwise plate-like and bottom surface has counterbore, and aluminium base is installed with in described counterbore, has the LED bulb on the aluminium base, and the LED bulb exposes from the center of the annular of module base; Described aluminium base has the electrode column of downward setting, and electrode column connects described electrode.

The LED shadowless lamp, it is characterized in that: described LED shadowless lamp comprises module base and module shell, the module base has installing hole, be used for the described lamp body of module floor installation, be provided with led light source in the base, module shell is threaded connection in the module base, and module shell is installed with led light source in die holder; Described module base is tubular, and the bottom has outer rim, and described installing hole is arranged at outer rim; Described module shell also is tubular, and the top has inner edge, and the outer wall of described module base has external screw thread, and described module shell inwall has the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source; Described led light source comprises aluminium base, is provided with the LED bulb above the aluminium base, is provided with electrode column below the aluminium base; Electrode column connects described electrode; Described led light source also comprises lens and light source item lid.

The LED shadowless lamp is characterized in that: comprise central handle, central handle comprises handle inner prop and handle shell, and the handle inner prop is fixedly connected on the Medical shadowless lamp lamp body, has quick detach between handle inner prop and the handle shell and is connected; Handle shell is tubular, is sheathed on the handle inner prop, and the outer webs of handle inner prop has the elasticity block tongue, and the handle shell inwall has the draw-in groove corresponding with the elasticity block tongue, and elasticity block tongue and draw-in groove consist of described quick detach and connect; Described handle inner prop has a pivot, described elasticity block tongue is articulated in described handle inner prop by this pivot, the elasticity block tongue has prominent position, dash forward and be positioned at the below of pivot towards handle inner prop arranged outside, inboard butt first elastomeric element of prominent position, the direction of elastic force is for making described prominent position be tending towards snapping in described draw-in groove; Described handle inner prop also comprises unlock button, unlock button is arranged at the tail end of handle inner prop, the handlebar unlocked button connects clapboard, described elasticity block tongue is positioned at pivot top one end and has lozenges, when described unlock button is in pressed status, described institute clapboard promotes described elasticity block tongue and rotates centered by described pivot, and described draw-in groove is produced in described prominent position; : described unlock button butt the second elastomeric element, the direction of the elastic force of the second elastomeric element is for making described unlock button reset from pressed status; Described the first elastomeric element is Compress Spring; Described unlock button lower end has spacing overhead kick, and described handle inner prop has corresponding overhead kick chute, to limit the scope of activities of described unlock button; Described elasticity block tongue is " L " shape that is inverted substantially, and described pivot is articulated in the substantially middle part of " L " shape that is inverted, and it is substantially middle that described lozenges is arranged at " L " shape top that is inverted, and described prominent position is arranged at " L " shape bottom outside that is inverted.

LED shadowless lamp of the present invention, described lamp body has the endosphere surface, and the LED sub-light source is arranged at the endosphere surface, and each LED sub-light source is all towards the centre of sphere setting on endosphere surface, and the distance between two LED sub-light sources of arbitrary neighborhood equates; Because the distance between its any two light sources equates, compared with prior art, the light of irradiation area is relatively even.

Description of drawings

Fig. 1 is that the led light source module of first embodiment of the invention is arranged schematic diagram.

Fig. 2 is the first embodiment of the invention schematic diagram.

Fig. 3 is that the led light source module of second embodiment of the invention is arranged schematic diagram.

Fig. 4 is the cutaway view of third embodiment of the invention.

Fig. 5 is the third embodiment of the invention decomposing schematic representation.

Fig. 6 is the decomposing schematic representation of the led light source of third embodiment of the invention.

Fig. 7 is the four embodiment of the invention decomposing schematic representation.

Fig. 8 is the decomposing schematic representation of four embodiment of the invention and Fig. 7 different visual angles.

Fig. 9 is the schematic perspective view of fifth embodiment of the invention.

Figure 10 is the schematic diagram after fifth embodiment of the invention is removed the light source module.

Figure 11 is the schematic diagram after fifth embodiment of the invention is removed flexible PCB.

Figure 12 is the flexible PCB schematic diagram of fifth embodiment of the invention.

Figure 13 is one of fifth embodiment of the invention pedestal electric connection structure schematic diagram.

Figure 14 is a kind of shadowless lamp schematic diagram of using sixth embodiment of the invention.

Figure 15 is the sixth embodiment of the invention cut-away illustration.

Figure 16 is the decomposing schematic representation after sixth embodiment of the invention is removed handle.

The specific embodiment

The invention will be further described below in conjunction with accompanying drawing.

With reference to figure 1, Fig. 2, first embodiment of the invention is a kind of LED shadowless lamp, comprise lamp body 501, the lamp body center has handgrip, around the handgrip some LED sub-light sources 502 are set, described lamp body has the endosphere surface, and LED sub-light source 502 is arranged at the endosphere surface, each LED sub-light source 502 is all towards the centre of sphere setting on endosphere surface, and the distance between two LED sub-light sources 502 of arbitrary neighborhood equates.

The LED shadowless lamp of the present embodiment, described LED sub-light source 502 surrounds one group of regular hexagon centered by described handgrip, the cumulative and center superposition of each regular hexagon length of side; The orthographic projection at the edge on described endosphere surface is rounded; Six summits of outermost regular hexagon do not arrange LED sub-light source 502; The radius of a ball on described endosphere surface is 5000mm.

With reference to figure 3, second embodiment of the present invention also is a kind of LED shadowless lamp, be that with the difference of first embodiment of the invention the orthographic projection at the edge on described endosphere surface is regular hexagon, then six of outermost regular hexagon summits LED has been set sub-light source 502.

With reference to figure 4 to Fig. 6, third embodiment of the invention is a kind of light source module, be used for medical LED shadowless lamp, comprise module base 602 and module shell 601, module base 602 has installing hole 6022, is used for module base 602 is installed on LED shadowless lamp lamp body (not shown shadowless lamp lamp body), is provided with led light source 603 in the base 602, module shell 601 is threaded connection in module base 602, and module shell 601 presses 603 to be located in the module base 602 led light source.

In the present embodiment, described module base 602 is tubular, and the bottom has outer rim, and described installing hole 6022 is arranged at outer rim; Described module shell 601 also is tubular, and the top has inner edge, and the outer wall of described module base 602 has external screw thread, and described module shell 601 inwalls have the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source 603; Described led light source 603 comprises aluminium base 6037, is provided with LED bulb 6038 above the aluminium base 6037, is provided with electrode 6131 below the aluminium base 6037; Described led light source 603 also comprises lens 6034 and light source item lid 6031; Have two locating holes 6039 above the described aluminium base 6037, accordingly the bottom surface of described lens 6034 with two locating dowels 6036 are arranged; Described light source top cover 6031 is tubular and its top has inner edge, and light source top cover 6031 is sheathed on described aluminium base 6037 and described lens 6034, and the inner edge of light source top cover 6031 presses on the top of described lens 6034; Described aluminium base 6037 outer walls have prominent position 6132, location, and the bottom of described light source top cover 6031 has corresponding location recess 6133; Described module base 602 inwalls have locating groove 6021, and described led light source 603 outer walls have corresponding location card key 6033; Described led light source 603 tops have the step 6032 corresponding with edge within the described module shell 601; Described lens 6034 tops have the step 6035 corresponding with edge within the described light source top cover 6031.

With reference to figure 7, Fig. 8, four embodiment of the invention is a kind of light source module, be used for medical LED shadowless lamp, comprise module base 701 and module shell 702, module base 701 has installing hole 715, is used for module base 701 is installed on LED shadowless lamp lamp body (figure does not look out), and module base 701 outer walls have overhead kick 711, module shell 702 inwalls have prominent position 718, and module shell 702 is connected in module base 701 by overhead kick 711 and prominent position 718.

In the present embodiment, prominent 718 both sides, position and the bottom of module shell 702 are provided with fluting 719, so that prominent position 718 has elasticity, in order to can directly plug module shell 702 and module base 701 by enough hands.

In the present embodiment, the light source module also comprises aluminium base 704, module base 701 ringwise plate-like and bottom surface has counterbore 720, aluminium base 704 is installed with in described counterbore 720, and aluminium base 704 is installed with in the shadowless lamp lamp body by module base 701 by installing hole 715 and screw, have LED bulb 705 on the aluminium base 704, LED bulb 705 exposes from the center 710 of the annular of module base 701; The light source module also comprises flexible PCB 709, and flexible PCB 709 1 ends are connected in aluminium base 704, and the other end is drawn from the side of aluminium base 704, and accordingly, the bottom of described module shell 702 has the breach that holds described flexible PCB 709; The light source module also comprises lens 703, and lens 703 are installed with between described module base 701 and described module shell 702; Also have installing hole 715 reinforcing props 716 in the counterbore 720 of module base 701, aluminium base 704 has the opening 714 corresponding with described installing hole reinforcing prop 716, and described opening 714 and described installing hole reinforcing prop 716 consist of the location of aluminium base 704 in described counterbore 720; Described aluminium base 704 also has lens 703 locating holes 706, and also expose from the center 710 of the annular of described module base in lens position hole 706, and accordingly, described lens bottom has locating dowel 707; Described module shell 702 is tubular and its top has inner edge 713, module shell 702 inner edge 713 press on the top of described lens 703; The top of described overhead kick 711 is provided with prominent position guiding chute 712; Described lens 703 tops have the step 708 corresponding with edge 713 within the described module shell.

To Figure 13, fifth embodiment of the invention is a kind of LED shadowless lamp electric power-feeding structure, comprises lamp body with reference to figure 9, and the exiting surface of lamp body has some pedestals 802, and pedestal 802 is provided with electrode 804, and each electrode 804 connects supply unit by flexible PCB 803.In the present embodiment, described pedestal 802 sides have breach 805, and described electrode 804 is arranged in the breach.

The LED shadowless lamp electric power-feeding structure of the present embodiment, described LED shadowless lamp comprises module base and module shell, refer again to Fig. 9, module base, module shell, led light source, lens combination are that the LED module represents with 801, the module base has installing hole, is used for the described lamp body of module floor installation, is provided with led light source in the base, module shell is threaded connection in the module base, and module shell is installed with led light source in die holder; Described module base is tubular, and the bottom has outer rim, and described installing hole is arranged at outer rim; Described module shell also is tubular, and the top has inner edge, and the outer wall of described module base has external screw thread, and described module shell inwall has the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source; Described led light source comprises aluminium base 806, is provided with LED bulb 807 above the aluminium base 806, is provided with electrode column 808 below the aluminium base 806; Electrode column 808 connects described electrode 804; Described led light source also comprises lens and light source item lid.

Referring to figs. 14 to 16, sixth embodiment of the invention is a kind of Medical shadowless lamp central handle 900, comprise handle inner prop 901 and handle shell 902, handle inner prop 901 is fixedly connected on the Medical shadowless lamp lamp body, has quick detach between handle inner prop 101 and the handle shell 102 and is connected; Handle shell 902 is tubular, is sheathed on handle inner prop 901, and the outer webs of handle inner prop 901 has elasticity block tongue 905, and handle shell 902 inwalls have the draw-in groove 904 corresponding with elasticity block tongue 905, and elasticity block tongue 905 and draw-in groove 904 consist of described quick detach and connect.

In the present embodiment, described handle inner prop 901 has a pivot 906, described elasticity block tongue 905 is connected to described handle inner prop 901 by this pivot pivot 906, elasticity block tongue 905 has prominent position 903, prominent position 903 is in the below of pivot 906 towards handle inner prop 901 arranged outside, in inboard butt the first elastomeric element 913 the present embodiment of prominent position 903, elastomeric element 913 is Compress Springs, and the direction of its elastic force is for making described prominent position 903 be tending towards snapping in described draw-in groove 904; Described handle inner prop 901 also comprises unlock button 907, unlock button 907 is arranged at the tail end of handle inner prop 901, handlebar unlocked button 907 connects clapboard 909, described elasticity block tongue 905 is positioned at pivot 906 tops one end and has lozenges 915, when described unlock button 907 is in pressed status, described institute clapboard 909 promotes described elasticity block tongue 905 and rotates centered by described pivot 906, and described draw-in groove 904 is produced in described prominent position 903.

In the present embodiment, the direction of the elastic force of described unlock button butt the second elastomeric element 908, the second elastomeric elements 908 is for making described unlock button 907 reset from pressed status, and in the present embodiment, the second elastomeric element 908 is Compress Springs.

In the present embodiment, described unlock button 907 lower ends have spacing overhead kick 910, and described handle inner prop 901 has corresponding overhead kick chute 911, to limit the scope of activities of described unlock button 907.

In the present embodiment, described elasticity block tongue 905 is " L " shape that is inverted substantially, described pivot pivot 906 is connected to the substantially middle part of " L " shape that is inverted, and it is substantially middle that described lozenges 915 is arranged at " L " shape top that is inverted, and described prominent position 903 is arranged at " L " shape bottom outside that is inverted.

Claims (10)

1. LED shadowless lamp, comprise lamp body, the lamp body center has handgrip, some LED sub-light sources are set around the handgrip, it is characterized in that: described lamp body has the endosphere surface, the LED sub-light source is arranged at the endosphere surface, and each LED sub-light source is all towards the centre of sphere setting on endosphere surface, and the distance between two LED sub-light sources of arbitrary neighborhood equates; Described LED sub-light source surrounds one group of regular hexagon centered by described handgrip, the cumulative and center superposition of each regular hexagon length of side; The LED sub-light source comprises module base and module shell.
2. LED shadowless lamp according to claim 1, it is characterized in that: the orthographic projection at the edge on described endosphere surface is rounded; Six summits of outermost regular hexagon do not arrange the LED sub-light source; The radius of a ball on described endosphere surface is between 800mm to 1200mm.
3. LED shadowless lamp according to claim 1, it is characterized in that: the orthographic projection at the edge on described endosphere surface is regular hexagon; The radius of a ball on described endosphere surface is between 800mm to 1200mm.
4. according to claim 2 or 3 described LED shadowless lamps, it is characterized in that: the module base has installing hole, is used for the module floor installation being provided with led light source in the base in LED shadowless lamp lamp body, module shell is threaded connection in the module base, and module shell is installed with led light source in die holder.
5. LED shadowless lamp according to claim 4, it is characterized in that: described module base is tubular, and the bottom has outer rim, and described installing hole is arranged at outer rim; Described module shell also is tubular, and the top has inner edge, and the outer wall of described module base has external screw thread, and described module shell inwall has the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source; Described led light source comprises aluminium base, is provided with the LED bulb above the aluminium base, is provided with electrode below the aluminium base; Described led light source also comprises lens and light source top cover; Have two locating holes above the described aluminium base, accordingly the bottom surface of described lens with two locating dowels are arranged; Described light source top cover is tubular and its top has inner edge, and the light source top cover is sheathed on described aluminium base and described lens, and the inner edge of light source top cover presses on the top of described lens; Described aluminium base outer wall has prominent position, location, and the bottom of described light source top cover has corresponding location recess; Described module base inner wall has locating groove, and described led light source outer wall has corresponding location card key; Described led light source top has the step corresponding with edge within the described module shell; Described lens top has the step corresponding with edge within the described light source top cover.
6. according to claim 2 or 3 described LED shadowless lamps, it is characterized in that: the module base has installing hole, is used for the module floor installation in LED shadowless lamp lamp body, and the module base outer wall has overhead kick, the module shell inwall has prominent position, and module shell is connected in the module base by overhead kick and prominent position.
7. LED shadowless lamp according to claim 6, it is characterized in that: also comprise aluminium base, module base ringwise plate-like and bottom surface has counterbore, and aluminium base is installed with in described counterbore, have the LED bulb on the aluminium base, the LED bulb exposes from the center of the annular of module base; Also comprise flexible PCB, flexible PCB one end is connected in aluminium base, and the other end is drawn from the side of aluminium base, and accordingly, the bottom of described module shell has the breach that holds described flexible PCB; Also comprise lens, lens are installed with between described module base and described module shell; Also have the installing hole reinforcing prop in the counterbore, aluminium base has the opening corresponding with described installing hole reinforcing prop, and described opening and described installing hole reinforcing prop consist of the location of aluminium base in described counterbore; Described aluminium base also has the lens position hole, and also expose from the center of the annular of described module base in the lens position hole, and accordingly, described lens bottom has locating dowel; Described module shell is tubular and its top has inner edge, module shell inner edge press on the top of described lens; The top of described overhead kick is provided with prominent position guiding chute; Described lens top has the step corresponding with edge within the described module shell.
8. according to claim 2 or 3 described LED shadowless lamps, it is characterized in that: the exiting surface of lamp body has some pedestals, and pedestal is provided with electrode, and each electrode connects supply unit by flexible PCB; Described pedestal side has breach, and described electrode is arranged in the breach; Described LED shadowless lamp comprises module base and module shell, the module base has installing hole, is used for the module floor installation in lamp body, and the module base outer wall has overhead kick, the module shell inwall has prominent position, and module shell is connected in the module base by overhead kick and prominent position; Also comprise aluminium base, module base ringwise plate-like and bottom surface has counterbore, and aluminium base is installed with in described counterbore, has the LED bulb on the aluminium base, and the LED bulb exposes from the center of the annular of module base; Described aluminium base has the electrode column of downward setting, and electrode column connects described electrode.
9. according to claim 2 or 3 described LED shadowless lamps, it is characterized in that: described LED shadowless lamp comprises module base and module shell, the module base has installing hole, be used for the described lamp body of module floor installation, be provided with led light source in the base, module shell is threaded connection in the module base, and module shell is installed with led light source in die holder; Described module base is tubular, and the bottom has outer rim, and described installing hole is arranged at outer rim; Described module shell also is tubular, and the top has inner edge, and the outer wall of described module base has external screw thread, and described module shell inwall has the internal thread corresponding with described external screw thread, and described inner edge presses on described led light source; Described led light source comprises aluminium base, is provided with the LED bulb above the aluminium base, is provided with electrode column below the aluminium base; Electrode column connects described electrode; Described led light source also comprises lens and light source top cover.
10. according to claim 2 or 3 described LED shadowless lamps, it is characterized in that: comprise central handle, central handle comprises handle inner prop and handle shell, and the handle inner prop is fixedly connected on the Medical shadowless lamp lamp body, has quick detach between handle inner prop and the handle shell and is connected; Handle shell is tubular, is sheathed on the handle inner prop, and the outer webs of handle inner prop has the elasticity block tongue, and the handle shell inwall has the draw-in groove corresponding with the elasticity block tongue, and elasticity block tongue and draw-in groove consist of described quick detach and connect; Described handle inner prop has a pivot, described elasticity block tongue is articulated in described handle inner prop by this pivot, the elasticity block tongue has prominent position, dash forward and be positioned at the below of pivot towards handle inner prop arranged outside, inboard butt first elastomeric element of prominent position, the direction of elastic force is for making described prominent position be tending towards snapping in described draw-in groove; Described handle inner prop also comprises unlock button, unlock button is arranged at the tail end of handle inner prop, the handlebar unlocked button connects clapboard, described elasticity block tongue is positioned at pivot top one end and has lozenges, when described unlock button is in pressed status, described institute clapboard promotes described elasticity block tongue and rotates centered by described pivot, and described draw-in groove is produced in described prominent position; : described unlock button butt the second elastomeric element, the direction of the elastic force of the second elastomeric element is for making described unlock button reset from pressed status; Described the first elastomeric element is Compress Spring; Described unlock button lower end has spacing overhead kick, and described handle inner prop has corresponding overhead kick chute, to limit the scope of activities of described unlock button; Described elasticity block tongue is " L " shape that is inverted substantially, and described pivot is articulated in the substantially middle part of " L " shape that is inverted, and it is substantially middle that described lozenges is arranged at " L " shape top that is inverted, and described prominent position is arranged at " L " shape bottom outside that is inverted.
CN2010106145152A 2010-12-30 2010-12-30 LED shadowless lamp CN102121634B (en)

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