CN103423616A - Flat lighting device fixed with any angle - Google Patents

Flat lighting device fixed with any angle Download PDF

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Publication number
CN103423616A
CN103423616A CN2012101568770A CN201210156877A CN103423616A CN 103423616 A CN103423616 A CN 103423616A CN 2012101568770 A CN2012101568770 A CN 2012101568770A CN 201210156877 A CN201210156877 A CN 201210156877A CN 103423616 A CN103423616 A CN 103423616A
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CN
China
Prior art keywords
light source
source module
lighting device
link
jockey
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Granted
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CN2012101568770A
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Chinese (zh)
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CN103423616B (en
Inventor
何宜佶
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SHANPIN TECHNOLOGY CO LTD
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SHANPIN TECHNOLOGY CO LTD
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  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention provides a flat lighting device fixed with any angle. An LED lamp replaces a prior mercury lamp, a prior mercury lamp holder is used, a plurality of structures which can be disassembled and assembled are arranged at a head base of the lamp so that many parts of the lamp can be assembled respectively when the lamp is installed, and the known problems that an LED lamp is incorrect in illumination angle and a light source module is insufficient in luminance are solved. The head base and a light source module are assembled respectively so that the illumination angle of the LED lamp can be corrected in the installation process. Due to respective assembly, the light source module can be manufactured into a high-brightness light source module which is large in size and in a flat shape; as the light source module does not need to rotate repeatedly in the lamp holder, interference cannot exist between the light source module and the lamp holder even when the size of the light source module increases and the light source module is flat in shape.

Description

The random flat lighting device of fixed angle
Technical field
The present invention mainly discloses a kind of flat lighting device of arbitrarily fixed angle, can be divided into the multi-section assembling while espespecially assembling and make lighting device with lampshade, not produce the flat lighting device of the arbitrarily fixed angle of interfering.
Background technology
The mercury vapor lamps that adopt while being known in large-scale illumination more, but general Mercury Lamp power consumption is large, luminous efficiency is low and service life is short, high and the not environmental protection of cost in the use, if change the light fixture of other kind, may original Mercury Lamp must be connected to lamp socket and change together, whole group of Mercury Lamp be connected to lamp socket and change together the higher more not environmental protection of spent cost and assembling difficulty, moreover, old Mercury Lamp can't only can abandon in recycling, and real is the waste resource.
And old mercury vapor lamp is that the mode of periwinkle collecting lock is fixed on mercury vapor lamp on the mercury lamp socket, if will on old mercury lamp socket, install the LED lamp additional, because the LED light fixture has directionality, if can't the irradiating angle of LED lamp be proofreaied and correct correct in the process of installing, can't make the LED lamp bring into play due effect, if the irradiating angle of LED lamp will be proofreaied and correct and correctly must just can be completed in the mode constantly re-assemblied, cause the waste of human resources.
Please refer to " adjustment type lamp source " Patent Case of No. 201615450U, the license notification number CN of the People's Republic of China (PRC), it is a kind of LED light fixture that can adjust irradiating angle, for improving existing light fixture, can't arbitrarily change irradiating angle and makes to install and be difficult for or the not good invention of illumination efficiency.
Yet, still there is the too faint problem of lamp brightness in this invention, this invention be each assembly of light fixture has been combined after integral body is bolted on lamp socket, the volume of the more light fixtures of bulb in light fixture is just relatively larger, and shape and the directive problem of LED light fixture for fear of lamp socket, while increasing bulb in light fixture, must adopt the ornaments of plane or almost plane formula can bring into play the effect of LED lamp maximum, make to make in this way the LED lamp become the shape than flat, light fixture is easier when being spirally connected to be produced and interferes with lampshade, although and this invention has the design that can adjust angle, be known as can 360 the adjustment angles of degree, but in light fixture, live wire connects, this invention is not done special design to the connected mode of electric wire, therefore light fixture must have the doubt of pullling electric wire when adjusting angle, if and regular adjustment irradiating angle, will inevitably make electric wire come off because of fatigue rupture or damage.
Summary of the invention
The present invention arbitrarily main purpose of flat lighting device of fixed angle is, a kind of LED lamp jockey that is divided into the multiple location disassembled type is provided, while making light fixture want screw lock to be fixed on lamp socket, light source module need to be along with headstock rotates screw lock together on lamp socket, make light source module can not produce and interfere with lamp socket when installation or removal, even use thus the relatively large light source module of the brighter volume of the more brightness of bulb, though light source module can't rotate in lamp socket, still can be firm be installed in lamp socket for illumination.
The present invention arbitrarily another purpose of flat lighting device of fixed angle is, the electric connection mode of a kind of removable group is provided, guarantee can separate fully between each part, making does not have electric wire to be connected between process that the LED bulb socket installs and light source module and LED bulb socket, can make electric wire can in the process of installation, do not pullled, curling or tie a knot.
For reaching above-mentioned purpose, the invention provides a kind of flat lighting device of arbitrarily fixed angle, it includes:
A jockey, this jockey includes a power connection and first link, and this power connection is connected to form circuit with lamp socket and communicates, and this first link connects this power connection formation circuit and communicates;
A light source module, this light source module is used the LED lamp to emit beam for light source, this light source module is connected with this jockey, this light source module includes second link, this second link is connected with the first link of this jockey, this jockey is installed on lamp socket, this light source module is placed in lampshade, this light source module has a Breadth Maximum, more than the Breadth Maximum of this light source module is greater than the degree of depth twice of lampshade, the Breadth Maximum of this light source module is less than the width of lampshade.
The flat lighting device of described arbitrarily fixed angle, wherein, this light source module has a thickness, and the thickness of this light source module is less than the degree of depth of lampshade, therefore more than the Breadth Maximum of this light source module also is greater than the twice of thickness of this light source module.
The flat lighting device of described arbitrarily fixed angle, wherein, the distance that the Breadth Maximum of this light source module is these light source module both sides, the distance that the thickness of this light source module is the power connection axle center of this light source module in the side in contrast to this light shield to this jockey, the depths that the degree of depth of this lampshade is lampshade is to the distance in power supply spiral shell seat axle center.
The flat lighting device of described arbitrarily fixed angle, wherein, described jockey includes a retainer ring, this retainer ring is provided with first connecting portion, described light source module has second connecting portion, by this first connecting portion, with the second connecting portion, in the mode of being spirally connected, engages this jockey is connected with this light source module.
The flat lighting device of described arbitrarily fixed angle, wherein, described jockey includes a headstock, this headstock includes a first end and second end, described power connection is positioned at the first end of this headstock, the second end of this headstock forms an accommodating head, this accommodating head has first diameter, described light source module includes a pedestal, the center of this pedestal is equipped with a perforation, this second connecting portion is located at a side of this pedestal, this perforation is positioned at the center of this second connecting portion, this second connecting portion has the 3rd diameter, this first diameter is less than the 3rd diameter, this pedestal forms a storage tank in the second connecting portion, this accommodating head is contained in this storage tank.
The flat lighting device of described arbitrarily fixed angle, wherein, the nearly described power connection of accommodating head rest place on described headstock is provided with first limiting section, described retainer ring includes a through hole and second limiting section, this through hole is through an end of this power connection, and this through hole has a Second bobbin diameter, and this Second bobbin diameter is less than this first diameter, when described the first connecting portion is connected with described the second connecting portion, this second limiting section support is against this first limiting section.
The flat lighting device of described arbitrarily fixed angle, wherein, described light source module includes a luminescence component, this luminescence component is located on described pedestal the side in contrast to described the second connecting portion, described the second link is connected in this luminescence component, and this second link is connected with the first link of described headstock through the perforation on described pedestal.
The flat lighting device of described arbitrarily fixed angle, wherein, form an accommodation space opening towards this accommodating head in described headstock, this being connected the first link and this second link hold as in this accommodation space.
The flat lighting device of described arbitrarily fixed angle, wherein, the edge of this pedestal is equipped with six the first connecting holes and two the second connecting holes, this light source module includes a light shield, this luminescence component includes six the 3rd connecting holes, this light shield includes two the 4th connecting holes, six the first connecting holes of described this pedestal are corresponding with six the 3rd connecting holes of described this luminescence component, between this first connecting hole and the 3rd connecting hole, with fixture, be connected, make this luminescence component be fixed in the side of this pedestal away from this second connecting portion, two the second connecting holes of described this pedestal are corresponding with two the 4th connecting holes of described this light shield, between this second connecting hole and the 4th connecting hole, with fixture, be connected, make this light shield be fixed in the luminous side of this luminescence component.
The flat lighting device of described arbitrarily fixed angle, wherein, between this power connection and this first link and be with the electric wire flexible connection between this first link and this second link.
Can summarize the present invention with regard to the above has the following advantages:
1. the random flat lighting device of fixed angle of the present invention, the mode of this jockey and this light source module separable assembled wherein, make this light source module not need during fabrication to consider can produce and interfere with lamp socket in installation process, the quantity that reduces mounted LED lamp bubble for the size that reduces this light source module reduces the brightness of light source module, because this light source module is in the end just installed, not following this headstock or this retainer ring to rotate together screw lock fixes, without the problem of interfering, therefore can in lamp socket, install the light source module of the high and flat of brightness, and can adjust the irradiating angle of this light source module in the process of installing.
2. the random flat lighting device of fixed angle of the present invention, wherein electrically connect as dismountable group type between this light source module and this jockey, this light source module can be separated fully with this jockey, be connected without electric wire between this light source module and this jockey in the process of installing at this jockey, make the electric wire that is connected between this light source module and this jockey can be curling or tie a knot.
3. the random flat lighting device of fixed angle of the present invention, wherein only need loosening this retainer ring can make this light source module by coming off on this jockey, can avoid directly touching this light source module and get final product this light source module of direct dismounting and change, even this light source module damages after in use producing high temperature, also can the free-hand action of directly this light source module being done replacing.
Other purpose, advantage and novel characteristics of the present invention will be more obvious from the following detailed description and related drawings.
The accompanying drawing explanation
Fig. 1 is the arbitrarily stereo appearance figure of the flat lighting device of fixed angle of the present invention;
Fig. 2 is the arbitrarily three-dimensional exploded view of the flat lighting device of fixed angle of the present invention;
Fig. 3 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention;
Fig. 4 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention;
Fig. 5 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention;
Fig. 6 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention;
Fig. 7 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention;
Fig. 8 is the arbitrarily assembling schematic diagram of the flat lighting device of fixed angle of the present invention.
Description of reference numerals: 10-lighting device; The 20-jockey; The 21-headstock; The 211-first end; 212-the second end; The 22-retainer ring; The 221-first end; 222-the second end; The 23-power connection; The accommodating head of 24-; The 241-accommodation space; 25-the first link; 26-the first limiting section; The 27-through hole; 28-the second limiting section; 29-the first connecting portion; The 30-light source module; The 31-pedestal; 311-the first connecting hole; 312-the second connecting hole; The 32-luminescence component; 321-the 3rd connecting hole; The 33-light shield; 331-the 4th connecting hole; The 34-perforation; 35-the second connecting portion; The 36-storage tank; 37-the second link; The 90-fixture; The 91-lamp socket; 92-power supply spiral shell seat; The 93-lampshade; D1-the first diameter; The D2-Second bobbin diameter; D3-the 3rd diameter; The W1-Breadth Maximum; The W2-width; T-thickness; The D-degree of depth.
The specific embodiment
Relevant the technology used in the present invention, means and effect thereof, hereby lift a preferred embodiment and coordinate accompanying drawing to describe in detail as after, this,, only for explanation, is not subject to the restriction of this kind of structure in patent application.
Shown in Fig. 1 and Fig. 2, lighting device 10 of the present invention includes a jockey 20 and a light source module 30; Wherein:
This jockey 20 includes a headstock 21 and a retainer ring 22, it is cylindric that this headstock 21 is class, this headstock 21 includes the first end 211 of a path and second end 212 in a large footpath, the first end 211 of this headstock 21 forms a power connection 23, the second end 212 of this headstock 21 forms one accommodating 24, accommodation space 241 openings of the interior formation of this headstock 21 are towards this accommodating 24 (as Fig. 5), this headstock 21 has first link 25, 23 of this first link 25 and this power connections conduct electricity with the electric wire flexible connection, this first link 25 can this accommodation space 241 (as Fig. 5) of retraction in or stretch out outside this accommodating 24, this accommodating 24 has first a diameter D1, this accommodating 24 is provided with first limiting section 26 near these power connection 23 places.This retainer ring 22 is located on outside this headstock 21, this retainer ring 22 can be placed in outside this power connection 23 and be moved freely and rotate by this first end 211, this retainer ring 22 is the open circles ring-type, be provided with a through hole 27 in this retainer ring 22 and be step shape, this retainer ring 22 includes the first end 221 of a path and second end 222 in a large footpath, this first end 221 forms second limiting section 28, this second end 222 forms first connecting portion 29, this through hole 27 can move freely through an end of this power connection 23, this through hole 27 has a Second bobbin diameter D2, this Second bobbin diameter D2 is less than this first diameter D1, make this second limiting section 28 be resisted against this first limiting section 26.
This light source module 30 is used the LED lamp to emit beam for light source, this light source module 30 includes a pedestal 31, a luminescence component 32 and a light shield 33, this pedestal 31 in the form of sheets, this pedestal 31De center is equipped with a perforation 34, the edge of this pedestal 31 is equipped with six the first connecting holes 311 and two the second connecting holes 312, one side of this pedestal 31 is provided with second connecting portion 35 and is hollow cylindrical, this perforation 34 is positioned at this second connecting portion 35De center, this second connecting portion 35 has the 3rd a diameter D3, this first diameter D1 is less than the 3rd diameter D3, this pedestal 31 forms a storage tank 36 in the second connecting portion 35, this second connecting portion 35 is connected in this first connecting portion 29 in the screw lock mode, this light source module 30 is connected with this jockey 20, be equipped with this accommodating 24 in this storage tank 36, this luminescence component 32 includes six the 3rd connecting holes 321, this light shield 33 includes two the 4th connecting holes 331, described six the 3rd connecting holes 321 are corresponding with six the first connecting holes 311 of described this pedestal 31, this first connecting hole 311 is connected with fixture 90 with 321 of the 3rd connecting holes, make this luminescence component 32 be installed on this pedestal 31 side in contrast to this second connecting portion 35, two the 4th connecting holes 331 of described this light shield 33 are corresponding with two the second connecting holes 312 of described this pedestal 31, between this second connecting hole 312 and the 4th connecting hole 331, with fixture 90, be connected, make this light shield 33 be fixed in the side that this luminescence component 32 can be luminous, this luminescence component 32 is provided with second link 37 near a side of this pedestal 31, this second link 37 can be connected with the first link 25 in these jockey 20 headstocks 21 through the perforation 34 of this pedestal 31, making this light source module 30 form circuit with this jockey 20 communicates.
Shown in Fig. 3 and Fig. 4, when wish is changed this lighting device 10, need first obtain this jockey 20, the headstock 21 that the through hole 27 of this retainer ring 22 of this jockey 20 was overlapped to this jockey 20 has an end of power connection 23, this retainer ring 22 is placed in outside this headstock 21, and make this first limiting section 26 be resisted against this second limiting section 28 (as Fig. 5), then power connection 23 is connected on the power supply spiral shell seat 92 in lamp socket 91 in the screw lock mode.
With reference to shown in Fig. 4 to Fig. 7, then obtain light source module 30, the formation circuit pathways is connected the second link 37 on these light source module 30 pedestals 31 with the first link 25 on these jockey 20 headstocks 21.
With reference to shown in Fig. 6 to Fig. 8, by in accommodating 24 of these jockey 20 headstocks 21 storage tank 36 that is placed in these light source module 30 pedestals 31, and light source module 30 is adjusted to angle, again the first connecting portion 29 of this retainer ring 22 is connected in to the second connecting portion 35 of this pedestal 31 in the screw lock mode, this jockey 20 is connected with this light source module 30, completes the replacing action of this lighting device 10.
Shown in Fig. 8, this light source module 30 has a Breadth Maximum W1 and the axle center of this light source module 30 in the side in contrast to this light shield 33 to this jockey 20 has a thickness T, the depths of lampshade 93 has depth D with respect to power supply spiral shell seat 92 axle center, more than the Breadth Maximum W1 of this light source module 30 is greater than the depth D twice of lampshade 93, the Breadth Maximum W1 of this light source module 30 is less than the width W 2 of lampshade 93, the thickness T of this light source module 30 is less than the depth D of lampshade 93, more than therefore the Breadth Maximum W1 of this light source module 30 also is greater than the twice of thickness T, even do not have enough spaces to allow this light source module 30 at the interior rotary assembled of lamp socket 91 in lamp socket 91, this light source module 30 still can otherwise be installed in lamp socket 91.
Because LED light source has the characteristic of directionality, LED light fixture itself has and is difficult for astigmatic effect, so light fixture must be aimed to the point of wanting to illuminate in the use, although but facilitate but also make light fixture be difficult for proofreading and correct in the mode of thread locking, and this lighting device 10 that uses structure of the present invention there is no the difficult problem of proofreading and correct, being locked in this pedestal 31 at this retainer ring 22 goes forward, all can carry out the correction of angle to this light source module 30, this corrective action does not need to move or rotation has been fixed on this headstock 21 on lamp socket 91.
The brightness that increases the LED light fixture must take to increase the mode of LED bulb, yet taking this mode to increase the brightness meeting increases LED light fixture degree of difficulty when mounted, existing LED light fixture when mounted, the LED lamp assembly must integral body rotates together could be by lamp installation in lamp socket 91, but when increasing if brightness the LED bulb being increased, certainly will increase the volume of LED light fixture, for fear of the interior limited space of lamp socket 91, therefore the LED bulb that can increase is also limited, if and will effectively increase the brightness of LED light fixture, the LED bulb must be taked the mode of plane formula when increasing, more limited to the space that the LED bulb can be set up, and lighting device 10 of the present invention does not need to make these light source module 30 integral-rotations when mounted, but first the headstock of this jockey 20 21 is arranged on lamp socket 91 after again by these light source module 30 direct-assemblings, therefore can't can't install for fear of the shape of lamp socket 91 or this light source module 30 when mounted, only need in lamp socket 91 to have accommodating this light source module 30 in enough spaces to get final product.
And the arrangements of electric connection between this light source module 30 and this jockey 20 is dismountable group type, when this jockey 20 is installed, this light source module 30 not yet is connected with 20 of this jockeys, therefore the doubt of not tiing a knot in order to the electric wire be electrically connected to, the action be electrically connected to is just with a male and female assembly connecting mode, to carry out after headstock 21 installations of this jockey 20, the second link 37 of this light source module 30 and the first link 25 of this jockey 20 are with the electric wire flexible connection, to form circuit pathways.
Again because only needing loosening this retainer ring 22 can make this light source module 30 by coming off on this jockey 20, can avoid directly touching this light source module 30 and get final product this light source module 30 of direct dismounting and change, even damage after this light source module 30 in use produces high temperature, also can be free-hand directly this light source module 30 be done the action of replacing, do not needed to prepare in addition heat insulation aid or this just replacing of light source module 30 coolings by the time.
Can summarize the present invention with regard to the above has the following advantages:
1. the random flat lighting device of fixed angle of the present invention, the mode of this jockey and this light source module separable assembled wherein, make this light source module not need during fabrication to consider can produce and interfere with lamp socket in installation process, the quantity that reduces mounted LED lamp bubble for the size that reduces this light source module reduces the brightness of light source module, because this light source module is in the end just installed, not following this headstock or this retainer ring to rotate together screw lock fixes, without the problem of interfering, therefore can in lamp socket, install the light source module of the high and flat of brightness, and can adjust the irradiating angle of this light source module in the process of installing.
2. the random flat lighting device of fixed angle of the present invention, wherein electrically connect as dismountable group type between this light source module and this jockey, this light source module can be separated fully with this jockey, be connected without electric wire between this light source module and this jockey in the process of installing at this jockey, make the electric wire that is connected between this light source module and this jockey can be curling or tie a knot.
3. the random flat lighting device of fixed angle of the present invention, wherein only need loosening this retainer ring can make this light source module by coming off on this jockey, can avoid directly touching this light source module and get final product this light source module of direct dismounting and change, even this light source module damages after in use producing high temperature, also can the free-hand action of directly this light source module being done replacing.
The above person of thought, be only preferred embodiment of the present invention, when can not with restriction scope of the invention process, therefore the displacement of the change of numerical value or equivalent elements such as, or the equalization of doing according to the present patent application the scope of the claims changes and modification, all should still belong to the category that this new patent is contained.

Claims (10)

1. the random flat lighting device of fixed angle, is characterized in that, includes:
A jockey, this jockey includes a power connection and first link, and this power connection is connected to form circuit with lamp socket and communicates, and this first link connects this power connection formation circuit and communicates;
A light source module, this light source module is used the LED lamp to emit beam for light source, this light source module is connected with this jockey, this light source module includes second link, this second link is connected with the first link of this jockey, this jockey is installed on lamp socket, this light source module is placed in lampshade, this light source module has a Breadth Maximum, more than the Breadth Maximum of this light source module is greater than the degree of depth twice of lampshade, the Breadth Maximum of this light source module is less than the width of lampshade.
2. the flat lighting device of arbitrarily fixed angle as claimed in claim 1, it is characterized in that, this light source module has a thickness, and the thickness of this light source module is less than the degree of depth of lampshade, therefore more than the Breadth Maximum of this light source module also is greater than the twice of thickness of this light source module.
3. the flat lighting device of arbitrarily fixed angle as claimed in claim 2, it is characterized in that, the distance that the Breadth Maximum of this light source module is these light source module both sides, the distance that the thickness of this light source module is the power connection axle center of this light source module in the side in contrast to this light shield to this jockey, the depths that the degree of depth of this lampshade is lampshade is to the distance in power supply spiral shell seat axle center.
4. the flat lighting device of arbitrarily fixed angle as claimed in claim 2, it is characterized in that, described jockey includes a retainer ring, this retainer ring is provided with first connecting portion, described light source module has second connecting portion, by this first connecting portion, with the second connecting portion, in the mode of being spirally connected, engages this jockey is connected with this light source module.
5. the flat lighting device of arbitrarily fixed angle as claimed in claim 4, it is characterized in that, described jockey includes a headstock, this headstock includes a first end and second end, described power connection is positioned at the first end of this headstock, the second end of this headstock forms an accommodating head, this accommodating head has first diameter, described light source module includes a pedestal, the center of this pedestal is equipped with a perforation, this second connecting portion is located at a side of this pedestal, this perforation is positioned at the center of this second connecting portion, this second connecting portion has the 3rd diameter, this first diameter is less than the 3rd diameter, this pedestal forms a storage tank in the second connecting portion, this accommodating head is contained in this storage tank.
6. the flat lighting device of arbitrarily fixed angle as claimed in claim 5, it is characterized in that, the nearly described power connection of accommodating head rest place on described headstock is provided with first limiting section, described retainer ring includes a through hole and second limiting section, this through hole is through an end of this power connection, this through hole has a Second bobbin diameter, this Second bobbin diameter is less than this first diameter, when described the first connecting portion is connected with described the second connecting portion, this second limiting section support is against this first limiting section.
7. the flat lighting device of arbitrarily fixed angle as claimed in claim 5, it is characterized in that, described light source module includes a luminescence component, this luminescence component is located on described pedestal the side in contrast to described the second connecting portion, described the second link is connected in this luminescence component, and this second link is connected with the first link of described headstock through the perforation on described pedestal.
8. the flat lighting device of arbitrarily fixed angle as claimed in claim 5, it is characterized in that, form an accommodation space opening in described headstock towards this accommodating head, this being connected the first link and this second link hold as in this accommodation space.
9. the flat lighting device of arbitrarily fixed angle as claimed in claim 7, it is characterized in that, the edge of this pedestal is equipped with six the first connecting holes and two the second connecting holes, this light source module includes a light shield, this luminescence component includes six the 3rd connecting holes, this light shield includes two the 4th connecting holes, six the first connecting holes of described this pedestal are corresponding with six the 3rd connecting holes of described this luminescence component, between this first connecting hole and the 3rd connecting hole, with fixture, be connected, make this luminescence component be fixed in the side of this pedestal away from this second connecting portion, two the second connecting holes of described this pedestal are corresponding with two the 4th connecting holes of described this light shield, between this second connecting hole and the 4th connecting hole, with fixture, be connected, make this light shield be fixed in the luminous side of this luminescence component.
10. the flat lighting device of arbitrarily fixed angle as claimed in claim 1, is characterized in that, between this power connection and this first link and be with the electric wire flexible connection between this first link and this second link.
CN201210156877.0A 2012-05-18 2012-05-18 Can the flat lighting device of random fixed angle Expired - Fee Related CN103423616B (en)

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