CN105972479B - Lighting device - Google Patents

Abstract

The utility model provides a lighting device, including supporting component, L ED subassembly, radiator unit and extension locating component, supporting component includes support panel, the support backplate, the rotation axis, spacing strip and two mounting bars L ED subassembly, L ED subassembly includes a plurality of L ED sub-light sources, radiator unit includes the heat conduction blotter, the heating panel, circulating water pump and a plurality of heat conduction post, the first side of heating panel is provided with circulation heat dissipation channel, circulation heat dissipation channel holds heat-conducting medium, heat conduction post and heat-conducting medium contact, heat-conducting medium circulates in circulation heat dissipation channel, above-mentioned lighting device is through setting up supporting component, L ED subassembly and radiator unit, supporting component can fix a position the intelligent mobile device better, L ED subassembly can play illumination and the effect of protection user's eye, in addition, radiator unit can also dispel the heat to intelligent mobile device better.

Description

lighting device

technical field

The invention relates to the technical field of heat dissipation, in particular to an illuminating device.

Background technique

At present, due to the weight of smart mobile devices, when users browse news or enjoy movies, they generally need to position the smart mobile devices in the external environment to free their hands and avoid hand soreness caused by holding smart mobile devices for a long time However, the existing lighting equipment usually does not have the function of positioning and placing smart mobile devices, for example, does not have the function of placing smart phones or tablet computers.

Furthermore, the existing support frame does not have the lighting function, and cannot protect the user's eyes well in an environment where the vision is dim at night. Moreover, the smart mobile device generates a lot of heat, and the existing support frame still has the problem that it is difficult to dissipate heat from the smart mobile device.

Contents of the invention

Based on this, it is necessary to provide a lighting device capable of positioning and placing the smart mobile device when using the smart mobile device, and capable of better cooling the smart mobile device.

A lighting device comprising:

A support assembly, the support assembly includes a support panel, a support backboard, a rotating shaft, a limit bar and two installation bars, the support panel and the support back plate are respectively rotatably connected to the rotation shaft, and the limit The strips are arranged on the side edge of the support panel away from the rotation axis, and the two installation strips are respectively arranged on the two side edges of the support panel adjacent to the rotation axis. The support panel, the The limiting strip and the two mounting strips form a limiting groove, and the bottom of the limiting groove is provided with a plurality of first perforations;

An LED assembly, the LED assembly includes a plurality of LED sub-light sources, and the plurality of LED sub-light sources are sequentially arranged on the limiting bar and the installation bar at intervals;

A heat dissipation assembly, the heat dissipation assembly includes a heat conduction cushion, a heat dissipation plate, a circulating water pump, and a plurality of heat conduction columns, the heat conduction cushion is attached to the bottom of the limiting groove, and the heat conduction cushion is provided with a plurality of second through holes, Each of the first through holes corresponds to one of the second through holes, the first end of the heat conduction column passes through the first through hole, and is accommodated in the second through hole, and the first end of the heat dissipation plate One side is attached to the side of the support panel away from the heat conduction buffer pad, the first side of the heat dissipation plate is provided with a circulation heat dissipation channel, the circulation heat dissipation channel accommodates a heat conduction medium, and the circulation heat dissipation channel has a further A liquid port and a liquid outlet, the second end of the heat conduction column is connected to the first side of the heat dissipation plate, and the second end of the heat conduction column is in contact with the heat conduction medium, and the circulating water pump is arranged on the on the second side of the heat dissipation plate, and communicate with the liquid inlet and the liquid outlet respectively, for making the heat transfer medium circulate in the circulation heat dissipation channel; and

An extension positioning assembly, the extension positioning assembly includes an extension piece and two clamping parts, the two clamping parts are respectively connected to both ends of the extension piece, and the two clamping parts are respectively fixed on the two ends of the extension piece. one of the installation strips, and the extension piece is against the limit strip.

In one embodiment, each of the mounting strips defines a locking hole, and the locking portion is embedded in the locking hole.

In one embodiment, the locking hole has a circular hole structure, the locking portion has a circular cross-section, and the locking portion is rotatably embedded in the locking hole.

In one of the embodiments, two installation bars are arranged in parallel.

In one of the embodiments, an included angle is formed between the extension sheet and the thermally conductive buffer pad.

In one of the embodiments, the included angle ranges from 30 degrees to 75 degrees.

In one of the embodiments, the included angle ranges from 45 degrees to 70 degrees.

In one embodiment, the included angle is 50 degrees.

The above-mentioned lighting device is provided with a support component, an LED component, and a heat dissipation component. The support component can better position and place the smart mobile device, and the LED component can provide lighting and protect the user’s eyes. Better heat dissipation.

Description of drawings

FIG. 1 is a schematic structural diagram of a lighting device according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another angle of an illumination device according to an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of another angle of an illumination device according to an embodiment of the present invention;

Fig. 4 is a sectional view along the direction of line A-A of Fig. 3;

Fig. 5 is the enlarged view at B place of Fig. 4;

6 is a schematic structural view of a heat dissipation plate according to an embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a lighting device and a smart mobile device according to an embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a lighting device according to another embodiment of the present invention;

Fig. 9 is a schematic structural diagram of a lighting device according to another embodiment of the present invention;

Fig. 10 is a schematic structural diagram of a lighting device according to another embodiment of the present invention;

Fig. 11 is a schematic structural diagram of a lighting device according to another embodiment of the present invention;

Fig. 12 is a schematic structural diagram of a lighting device according to another embodiment of the present invention.

Detailed ways

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For example, a lighting device includes: a support assembly, the support assembly includes a support panel, a support back plate, a rotating shaft, a limit bar and two installation bars, the support panel and the support back plate are respectively connected to the The rotating shaft is rotatably connected, the limiting bar is arranged on the side edge of the supporting panel away from the rotating shaft, and the two mounting bars are respectively arranged on the two sides of the supporting panel adjacent to the rotating shaft On the edge, the support panel, the limiting strip and the two installation strips form a limiting groove, and the bottom of the limiting groove is provided with a plurality of first through holes; the LED assembly, the LED assembly includes a plurality of LED A sub-light source, a plurality of LED sub-light sources are sequentially arranged on the limiting bar and the installation bar; a heat dissipation component, the heat dissipation component includes a heat-conducting cushion, a heat-dissipating plate, a circulating water pump and a number of heat-conducting columns, and the heat-conducting The buffer pad is attached to the bottom of the limiting groove, and the thermal conduction buffer pad is provided with a plurality of second perforations, each of the first perforations is set in a one-to-one correspondence with one of the second perforations, and the first perforation of the thermal conduction column One end is pierced with a first through hole and accommodated in the second through hole, the first side of the heat dissipation plate is attached to the side of the support panel away from the heat conduction buffer pad, the first side of the heat dissipation plate The side is provided with a circulation heat dissipation channel, the circulation heat dissipation channel accommodates a heat transfer medium, the circulation heat dissipation channel has a liquid inlet and a liquid outlet, and the second end of the heat conduction column is connected to the first side of the heat dissipation plate , and the second end of the heat conduction column is in contact with the heat conduction medium, the circulating water pump is arranged on the second side of the heat dissipation plate, and communicates with the liquid inlet and the liquid outlet respectively, with To make the heat conduction medium circulate in the circulating heat dissipation channel; and an extension positioning component, the extension positioning component includes an extension piece and two clamping parts, and the two clamping parts are respectively connected to the extension piece The two ends are connected, and the two clamping parts are respectively fixed to the two installation bars, and the extension piece is opposed to the limit bar.

In order to further understand the above-mentioned lighting device, another example is a lighting device, which includes the lighting device described in any one of the above-mentioned embodiments.

Please refer to FIG. 1 , the lighting device 10 includes: a support component 100 , an LED component 200 and a heat dissipation component 300 , and the LED component 200 and the heat dissipation component 300 are both disposed on the support component 100 .

Please refer to FIG. 1, the support assembly 100 includes a support panel 110, a support backplane 120, a rotating shaft 130, a limit bar 140 and two installation bars 150, and the support panel 110 and the support backplane 120 are respectively rotatably connected to the rotation shaft 130. Yes, the side edges of the support panel 110 and the side edges of the support backplane 120 are respectively rotatably connected to the rotation shaft 130 . The support panel 110 is used to position and place the smart mobile device, so that when the user browses news or enjoys a movie, he only needs to position the smart mobile device on the support panel 110, thereby freeing his hands and avoiding holding the smart mobile device for a long time. Come to the problem of sore hands. In addition, through the rotating shaft 130, the angle formed between the support panel 110 and the support backplane 120 can be adjusted, and then the placement angle of the smart mobile device positioned on the support panel 110 can be adjusted to make it more in line with the user's expected placement angle.

Referring to FIG. 1 , the limiting bar 140 is disposed on a side edge of the support panel 110 away from the rotating shaft 130 , and two mounting bars 150 are respectively disposed on two side edges of the supporting panel 110 adjacent to the rotating shaft 130 . For example, the limiting bar is connected with the two mounting bars to form a " " glyph structure; as another example, one of the mounting strips, the limiting strips are sequentially connected with the other mounting strips; as another example, the limiting strips are vertically connected with the two mounting strips respectively, and the two The installation bars are arranged in parallel.

Please refer to FIG. 1 , the support panel 110, the limiting bar 140 and the two mounting bars 150 form a limiting groove 160, and the limiting groove 160 is used to accommodate smart mobile devices, for example, for accommodating smart phones or/and tablets The computer, specifically, the side of the smart mobile device abuts against the inner side of the limit bar 140, that is, the side facing the rotation axis, so that the smart mobile device can be positioned and placed. For example, the limit bar is integrated with the two installation bars.

Please refer to FIG. 1 and FIG. 5 together. A plurality of first through holes 111 are defined at the bottom of the limiting groove 160 . For example, several first through holes are arranged at intervals in sequence; another example, several first through holes are distributed in a rectangular array; and another example, several first through holes are distributed in a rectangular array at the bottom of the limiting groove.

Referring to FIG. 3 , the LED assembly 200 includes a plurality of LED sub-light sources 210 , and the plurality of LED sub-light sources 210 are sequentially arranged on the limiting bar 140 and the installation bar 150 at intervals. By setting the LED sub-light sources 210, a lighting effect can be achieved. For example, it is used to play the role of backlight when the user uses the smart mobile device, so as to better protect the user's eyes, that is, the eyes are more healthy and hygienic; When placing the smart mobile device, the lighting device can be used as a lighting tool, for example, placed on a desk, a dining table or a bedside table for lighting effects.

Please refer to FIGS. 2 to 5 together. The heat dissipation assembly 300 includes a heat conduction cushion 310, a heat dissipation plate 320, a circulating water pump 330, and a plurality of heat conduction columns 340. The heat conduction columns 340 pass through the heat conduction cushion 310 and are in contact with the heat dissipation plate 320. The circulation water pump 330 is disposed on the cooling plate 320 .

Please refer to FIG. 3, the heat conduction buffer pad 310 fits on the bottom of the limiting groove 160, please also refer to FIG. The back is in contact with the thermally conductive buffer pad 310 . It can be understood that the value of the smart mobile device 20 is generally relatively high, and whether it is made of plastic or metal, it is easy to cause wear on the back when it is rubbed against foreign objects. When the device 20 leans against the thermally conductive cushion 310 , it can reduce wear and buffer, so that the smart mobile device 20 can be better positioned.

Please refer to FIG. 5 , the thermal pad 310 is provided with a plurality of second through holes 311 . Each of the first through holes 111 is provided in a one-to-one correspondence with one of the second through holes 311. For example, the first through holes communicate with the second through holes. The apertures of the two perforations are the same. The first end of the heat conducting column 340 passes through the first through hole 111 and is accommodated in the second through hole 311 . The first ends of the thermally conductive columns 340 are used to contact the back of the smart mobile device 20. When the heat generated by the smart mobile device 20 is transferred to its back, the heat can be quickly and timely transferred to the first ends of the thermally conductive columns 340. , and then transferred to the overall structure of the heat conduction column 340, for example, a heat dissipation contact is formed at the contact position between the smart mobile device 20 and the heat conduction column 340, so that it can ensure that the heat generated by the smart mobile device 20 can be dissipated quickly when it is working normally To the outside, reducing its thermal load, is more conducive to ensuring the normal operation and service life of its internal hardware. For example, several heat conduction columns are arranged at intervals in sequence, and for another example, several heat conduction columns are arranged in a rectangular array.

For example, the end face of the first end of the heat conduction column is flush with the side of the heat conduction buffer pad away from the bottom of the limiting groove, that is, the end face and the side face are located in the same plane. As another example, there is a gap between the end surface of the first end of the heat conduction column and the side of the heat conduction buffer pad away from the bottom of the limiting groove. When the smart mobile device 20 leans against the heat conduction buffer pad 310 and conducts heat When the buffer pad 310 is deformed, the smart mobile device 20 can directly contact the first end of the heat conduction column 340 , and can play a better anti-wear and buffer role.

Referring to FIG. 4 , the first side of the heat sink 320 is attached to the side of the support panel 110 away from the thermal pad 310 , that is, the thermal pad 310 , the support panel 110 and the heat sink 320 are stacked in sequence. Please also refer to FIG. 6 , the first side of the cooling plate 320 is provided with a circulating heat dissipation channel 321 , and the circulating heat dissipation channel 321 accommodates a heat transfer medium. Please also refer to FIG. 5 , the circulating heat dissipation channel 321 has a liquid inlet 321 a and a liquid outlet port 321b, the circulating water pump 330 is arranged on the second side of the cooling plate 320, and the circulating water pump 330 is connected with the liquid inlet 321a and the liquid outlet 321b respectively, and is used to make the heat transfer medium circulate in the circulating heat dissipation channel 321 to play a role The effect of turbulent flow and heat conduction.

Please refer to Fig. 5, the second end of the heat conduction column 340 is connected with the first side of the heat dissipation plate 320, and the second end of the heat conduction column 340 is in contact with the heat conduction medium, like this, the heat conduction medium which circulates can be taken away quickly and in time The heat transferred from the back of the smart mobile device to the thermally conductive column 340 is evenly dispersed into the main body of the thermally conductive medium, and finally the heat is dissipated by the heat sink 320 to better dissipate heat for the smart mobile device .

The above lighting device 10 is provided with the support assembly 100, the LED assembly 200 and the heat dissipation assembly 300. The support assembly 100 can better position and place the smart mobile device, and the LED assembly 200 can play the role of auxiliary lighting and protection of the user's eyes. In addition, the heat dissipation The component 300 can also better dissipate heat from the smart mobile device.

In order to better fix and position the smart mobile device, for example, please refer to FIG. 8 , the lighting device further includes two sets of telescopic positioning components 400, and the two sets of telescopic positioning components 400 are respectively arranged on the two mounting bars 150. , the telescopic positioning assembly includes a first telescopic rod 410 and a second telescopic rod 420, the first telescopic rod is arranged on the installation bar, the second telescopic rod is telescopically connected to the first telescopic rod, and Both the first telescopic rod and the second telescopic rod are parallel to the plane where the bottom of the limiting groove is located. In this way, the telescopic positioning component 400 can be used to better fix and position the smart mobile device.

In order to better fix and position the smart mobile device, for example, the first telescopic rod has a circular rod-shaped structure; as another example, the second telescopic end has a circular rod-shaped structure; as another example, the first telescopic rod has a circular rod-shaped structure; The rod diameter of the first telescopic rod is larger than the rod diameter of the second telescopic rod; as another example, the end of the second telescopic rod far away from the first telescopic rod is provided with a silicone abutment; as another example, the silicone abutment The holding part has a circular sheet structure; as another example, the silica gel holding part is provided with a number of anti-slip stripes; as another example, the first telescopic rod and the second telescopic rod are arranged perpendicular to the installation bar, so , which can better fix and position the smart mobile device.

In order to better charge the smart mobile device, for example, please refer to FIG. 9 , the lighting device also includes a charging assembly 500, the charging assembly 500 includes a charging socket 510 and a circuit assembly, and the charging socket is set On the inner side of the limiting bar and parallel to the plane where the bottom of the limiting groove is located, the circuit component is electrically connected to the charging plug terminal. The limiting bar is provided with an embedding slot, and the charging plug is at least partially embedded in the embedding slot, so that the charging assembly 500 can be used to better charge the smart mobile device.

For example, the circuit assembly includes a battery and a circuit board, the battery is electrically connected to the circuit board, and the charging plug is electrically connected to the circuit board; as another example, the LED sub-light source and the The circulating water pump is electrically connected to the circuit board respectively; as another example, the battery includes a rechargeable battery; as another example, the battery includes a solar battery; as another example, the mounting bar has a rectangular cross-section; as another example, The limiting strip has a rectangular cross-section.

In order to better achieve the effect of anti-slip and positioning, for example, please refer to FIG. 10, the lighting device also includes an anti-slip positioning assembly 600, and the anti-slip positioning assembly includes two sets of anti-slip positioning parts, and the two groups of anti-slip positioning parts are respectively It is arranged on the side edge of the support panel and the support backboard away from the rotation axis. Each set of anti-slip positioning parts includes several anti-slip positioning parts, so that the anti-slip positioning assembly 600 can achieve anti-slip and positioning effects.

In order to better achieve the effect of anti-slip and positioning, for example, several anti-slip positioning parts are arranged at intervals in sequence; as another example, a number of anti-slip protrusions are provided at the end of the anti-slip fixing part; as another example, the anti-slip fixing parts The end has a ring structure; as another example, several anti-slip protrusions are radially distributed around the ring structure; as another example, the anti-slip protrusions have a hemispherical structure; as another example, the centers of several anti-slip positioning parts The connecting line is a straight line structure, so that the effect of anti-slip and positioning can be better achieved.

In order to better achieve anti-slip and positioning effects, for example, please refer to FIG. The first end of the expansion part is connected to the side edge of the support panel away from the rotation axis, the side edge of the support backboard away from the rotation axis is slidably arranged along the expansion part, and the limit part is set At the second end of the expansion part, in this way, the expansion limiting component 700 can better achieve the effects of anti-slip and positioning.

In order to better achieve the effect of anti-slip and positioning, for example, the expansion part has a long sheet structure; as another example, the expansion part has a rectangular cross-section; as another example, the limiting part has a long block mechanism of the bar; as another example, the limiting part has a rectangular cross-section; as another example, an included angle is formed between the expanding part and the limiting part; as another example, the degree of the included angle is 45° to 145°; as another example, the included angle ranges from 90° to 145°; as another example, the included angle ranges from 115° to 130°.

In order to achieve better anti-slip and positioning effects, for example, please refer to FIG. 11 , the lighting device further includes an extension positioning assembly 800, and the extension positioning assembly 800 includes an extension piece 810 and two clamping parts. The clamping parts are respectively connected to both ends of the extension piece, and the two clamping parts are respectively fixed to the two installation bars, and the extension piece is opposed to the limit bar. In this way, the smart The mobile device is placed on the extended sheet 810 with a larger width, which can better prevent slipping and position.

In order to better achieve the effect of anti-slip and positioning, for example, each of the mounting bars is respectively provided with a locking hole, and the locking part is embedded in the locking hole; as another example, the locking hole It has a circular hole-like structure, the clamping part has a circular cross-section, and the clamping part is rotatably embedded in the clamping hole; as another example, the two installation bars are arranged in parallel; as another example, An included angle is formed between the extension sheet and the heat-conducting buffer pad; as another example, the included angle ranges from 30 degrees to 75 degrees; as another example, the included angle ranges from 45 degrees to 70 degrees; and as another example , the degree of the included angle is 50 degrees.

It can be understood that the heat conduction buffer pad needs to have the advantages of good thermal conductivity and high softness at the same time, so as to achieve the effect of cushioning and anti-wear, as well as the effect of assisting the heat conduction column to conduct heat. For example, a thermally conductive cushion according to one embodiment is as follows:

For example, the heat-conducting cushion includes the following components by mass: 5-8 parts of ethylene vinyl acetate cross-linked product, 6-10 parts of ethylene vinyl acetate, 10-12 parts of polyolefin, polycarbonate 9 to 11 parts, 45 to 55 parts of polylactic acid, 12 to 15 parts of polyethylene terephthalate, 1 to 1.5 parts of silicone resin, 1 to 1.5 parts of methyl silicone oil, dimethyl 1-1.5 parts of silicone oil, 1-1.5 parts of ethyl silicone oil, 1-1.5 parts of phenyl silicone oil, 1-1.5 parts of methyl ethoxy silicone oil, 1-1.5 parts of methyl vinyl silicone oil, thermally conductive filler 25 to 30 parts, 10 to 15 parts of thermal conductivity additive and 0.5 to 1 part of curing agent; wherein, the thermal conductive filler includes aluminum powder, zinc powder, copper powder, aluminum oxide, aluminum nitride, boron nitride, In silicon carbide and boron nitride, the acicular material is one or a mixture of any of zinc oxide whiskers, potassium titanate whiskers, silicon nitride whiskers, and β-SiC whiskers; wherein, the The heat conduction aid includes one or any mixture of carbon nanotubes, carbon nanofibers and nano graphene.

By adding 25-30 parts of heat-conducting filler and 10-15 parts of heat-conducting additive to the above-mentioned heat-conducting buffer pad, several heat-conducting pathways can be formed in the rubber-silica gel polymerization system with extremely poor heat-conducting performance but good softness. Therefore, the heat transferred from the back of the smart mobile device can be quickly and timely transferred to the heat conduction column. In addition, by adding 5-8 parts of ethylene vinyl acetate cross-linked product, 6-10 parts of ethylene vinyl acetate, 10-12 parts of polyolefin, 9-11 parts of polycarbonate, 45-55 parts of polylactic acid 12-15 parts of polyethylene terephthalate, 1-1.5 parts of silicone resin, 1-1.5 parts of methyl silicone oil, 1-1.5 parts of dimethicone oil, 1 part of ethyl silicone oil ~1.5 parts, 1-1.5 parts of phenyl silicone oil, 1-1.5 parts of methyl ethoxy silicone oil and 1-1.5 parts of methyl vinyl silicone oil can further improve the softness of the heat-conducting buffer pad.

It should be noted that other embodiments of the present invention also include implementable lighting devices formed by combining the technical features of the above-mentioned embodiments.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (8)

1. a kind of lighting device, which is characterized in that including：

Support component, the support component includes supporting panel, supporting back board, rotary shaft, positive stop strip and two mounting bars, described Panel is supported to be rotatablely connected respectively with the rotary shaft with the supporting back board, it is remote that the positive stop strip is set to the support panel In side edge from the rotary shaft, two mounting bars are respectively arranged at the support panel adjacent to the rotary shaft In two side edges, the support panel, the positive stop strip and two mounting bars surround limiting slot, the limiting slot Bottom offers several first perforation；

LED component, the LED component include several LED sub-light sources, and several LED sub-light sources are arranged at intervals at described successively On positive stop strip and the mounting bar；

Radiating subassembly, the radiating subassembly include heat-conducting buffer pad, heat sink, water circulating pump and several heating columns, the heat conduction Cushion pad fits in the bottom of the limiting slot, and the heat-conducting buffer pad offers several second perforation, and each described first wears Second perforation described in Kong Yuyi is arranged in a one-to-one correspondence, and the first end of the heating column wears the first perforation, and is placed in described the In two perforation, the first side of the heat sink is bonded with the support side of the panel far from the heat-conducting buffer pad, described The first side of heat sink is provided with circulation cooling channel, and the circulation cooling channel is equipped with heat-conducting medium, and the cycle dissipates The passage of heat has inlet and liquid outlet, and the second end of the heating column is connect with the first side of the heat sink, and institute The second end for stating heating column is contacted with the heat-conducting medium, and the water circulating pump is set in the second side of the heat sink, And be connected to respectively with the inlet and the liquid outlet, for making the heat-conducting medium be recycled in the circulation cooling channel Flowing；And

Extend positioning component, the extension positioning component includes Extendible flake and two fastening parts, two fastening parts respectively with The both ends of the Extendible flake connect, and two fastening parts and are individually fixed in two mounting bars, the Extendible flake with The positive stop strip supports.

2. lighting device according to claim 1, which is characterized in that each mounting bar offers a holding respectively Hole, the fastening part are embedded in the holding hole.

3. lighting device according to claim 2, which is characterized in that the holding hole has circular hole structure, the card Setting portion has the cross section of circular configuration, and the fastening part rotation is in the holding hole.

4. lighting device according to claim 1, which is characterized in that two mounting bars are arranged in parallel.

5. lighting device according to claim 1, which is characterized in that shape between the Extendible flake and the heat-conducting buffer pad At angle.

6. lighting device according to claim 5, which is characterized in that the number of degrees of the angle are 30 degree~75 degree.

7. lighting device according to claim 6, which is characterized in that the number of degrees of the angle are 45 degree~70 degree.

8. lighting device according to claim 7, which is characterized in that the number of degrees of the angle are 50 degree.