CN204806131U - Lamp - Google Patents
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- CN204806131U CN204806131U CN201520558496.4U CN201520558496U CN204806131U CN 204806131 U CN204806131 U CN 204806131U CN 201520558496 U CN201520558496 U CN 201520558496U CN 204806131 U CN204806131 U CN 204806131U
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- external member
- cooling medium
- elastic
- accommodating body
- jack
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Abstract
The utility model provides a lamp, this lamp include the holding body, luminous body, lamp holder and elasticity seal assembly, and wherein, the holding body is provided with an open end, the luminous body sets up in the holding internally through the open end, the lamp holder cooperatees with the holding body in the outside of open end, elasticity seal assembly sets up in the holding internally through the open end, elasticity seal assembly has a jack, and the luminous body is planted in the jack to be connected with the lamp holder electricity, elasticity seal assembly forms the airtight holding chamber that is used for holding coolant with the holding body and luminous body cooperation. The utility model provides a lamp can prevent effectively that the holding body from bursting owing to be provided with elasticity seal assembly, has further promoted lamp's security and reliability when providing good heat dispersion.
Description
Technical field
The utility model relates to a kind of light-emitting device, particularly a kind of liquid-cooled light fixture.
Background technology
LED (LightEmittingDiode, light emitting diode) is a kind of semiconductor devices that directly electricity can be converted into visible ray.LED has the advantage of energy-saving and environmental protection, becomes main trend in the development of light fixture industry.But the height of LED operating temperature directly has influence on the life-span of LED, this just makes the heat dissipation design of LED lamp very important.
In prior art, existing by installing the light fixture that liquid dispels the heat to LED in bulb, but existingly carry out by liquid the light fixture that dispels the heat and usually bulb can be caused to burst due to liquid expansion of absorbing heat.
In order to address this problem, prior art have employed a kind of technical scheme of reserved larger bubble in bulb, and this bubble is used for suitably being compressed to prevent bulb from bursting when heated liquid expands, but effect is unsatisfactory.
Utility model content
The utility model provides a kind of light fixture, to solve the problem that bulb in prior art easily bursts.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of light fixture, comprising:
Accommodating body, is provided with an openend;
Illuminator, is arranged at through described openend in described accommodating body;
Lamp holder, matches in the outside of described openend with described accommodating body;
Elastic packing assembly, be arranged at through described openend in described accommodating body, described elastic packing assembly has a jack, described illuminator is inserted in described jack, and be electrically connected with described lamp holder, described elastic packing assembly coordinates the airtight accommodating cavity formed for holding cooling medium with described accommodating body and described illuminator.
According to the utility model one preferred embodiment, described elastic packing assembly is provided with elasticity relief chamber, to make described elastic packing assembly be shunk by described cooling medium extruding when described cooling medium heat absorption is expanded, and then prevents described accommodating body from bursting.
According to the utility model one preferred embodiment, described elastic packing assembly comprises:
Elastic external member, comprise the first elastic external member and the second elastic external member, described first elastic external member is provided with described jack, described second elastic external member is sheathed on the periphery of described first elastic external member, and be connected with described first elastic external member, described elasticity relief chamber is formed between described first elastic external member and described second elastic external member;
Top plug, comprises top plug main body, and described top plug main body is inserted in described second elastic external member, and by described second elastic external member pressure holding on described accommodating body, realizes the sealing between described second elastic external member and described accommodating body.
According to the utility model one preferred embodiment, described top plug main body and the stepped setting respectively of described second elastic external member, and a cascaded surface of described second elastic external member fills in main body pressure holding on the outer face of the openend of described accommodating body by described top.
According to the utility model one preferred embodiment, the outer end of described top plug main body abuts with described lamp holder further.
According to the utility model one preferred embodiment, described top plug comprises the clamping part being arranged at described top plug main body further, described clamping part is provided with clamping hole, described first elastic external member is inserted in described clamping hole, to be realized the sealing between described first elastic external member and described illuminator by the clamping action of described clamping part.
According to the utility model one preferred embodiment, described top plug main body is provided with the steam vent is communicated with described elasticity relief chamber further, described lamp holder or be provided with described steam vent and outside exhaust passage of carrying out being communicated with further between described lamp holder with described accommodating body.
According to the utility model one preferred embodiment, described light fixture comprises described cooling medium further, and described cooling medium is located in described airtight accommodating cavity.
According to the utility model one preferred embodiment, the sealant that described illuminator comprises circuit board, is arranged at the multiple LED chip on described circuit board and is covered in described circuit board and described LED chip, described circuit board is inserted in described jack, described LED chip is soaked in described cooling medium, to be dispelled the heat by described cooling medium.
According to the utility model one preferred embodiment, the rectangular channel-shaped of described jack, described circuit board comprises inserting part and main part, described main part is arranged at one end of described inserting part, the width of described main part is greater than the width of described inserting part, described inserting part is inserted in described jack, and described multiple LED chip arranges the both sides of described main part respectively, and the other end of described inserting part is provided with the weld pad for being electrically connected with described lamp holder.
According to the utility model one preferred embodiment, described illuminator comprises further and being arranged on described circuit board and the power circuit covered by described sealant, and described power circuit is soaked in described cooling medium further.
According to the utility model one preferred embodiment, described illuminator comprises light source bracket, is arranged at the circuit board of described light source bracket end, is arranged at the LED chip on described circuit board and is covered in the sealant in described circuit board and described LED chip, described LED chip is soaked in described cooling medium, to be dispelled the heat by described cooling medium.
According to the utility model one preferred embodiment, described light source bracket is the integrated hollow type structure of hard plastic, wherein said circuit board is embedded in the end of described light source bracket, and is provided with fluid sealant between the outward flange and described light source bracket of described circuit board.
According to the utility model one preferred embodiment, described jack is that step is poroid, and described light source bracket is step-like in what mate with described jack, and described light source bracket is inserted in described jack.
According to the utility model one preferred embodiment, described lamp holder comprises cap body and switching external member, and described cap body is connected with described accommodating body by described switching external member.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: provide a kind of light fixture, comprising:
Accommodating body, is provided with an openend;
Elasticity power storehouse, is inserted in described accommodating body through described openend, and described elasticity power storehouse is used for accommodating power circuit, and the bottom of described elasticity power storehouse is provided with a jack;
Sheet illuminator, described sheet illuminator is sealed by elasticity perspex, described sheet illuminator is inserted in described jack and is electrically connected with described power circuit, and wherein, described elasticity power storehouse coordinates with described accommodating body and described sheet illuminator and forms airtight accommodating cavity;
Cooling medium, described cooling medium is located in described airtight accommodating cavity, is immersed in described cooling medium at least partly to make described sheet illuminator; And
Lamp holder, matches in the outside of described openend with described accommodating body or described elasticity power storehouse.
The beneficial effects of the utility model are: the situation being different from prior art, the light fixture that the utility model provides is owing to being provided with elastic packing assembly, can effectively prevent accommodating body from bursting, while providing excellent heat dispersion performance, improve the safety and reliability of light fixture further.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the perspective view of the light fixture of the utility model first preferred embodiment;
Fig. 2 is a cross section structure schematic diagram of the light fixture shown in Fig. 1;
Fig. 3 is another cross section structure schematic diagram of the light fixture shown in Fig. 1
Fig. 4 is the stereo decomposing structural representation of the light fixture shown in Fig. 1, wherein eliminates cap part;
Fig. 5 is the plane decomposition structural representation of the light fixture shown in Fig. 1, wherein eliminates cap part;
Fig. 6 is a cross section structure schematic diagram of the light fixture of the utility model second preferred embodiment;
Fig. 7 is another cross section structure schematic diagram of the light fixture shown in Fig. 6;
Fig. 8 is the stereo decomposing structural representation of the light fixture shown in Fig. 6, wherein eliminates cap part;
Fig. 9 is the plane decomposition structural representation of the light fixture shown in Fig. 6, wherein eliminates cap part;
Figure 10 is the perspective view of the light fixture of the utility model the 3rd preferred embodiment;
Figure 11 is a cross section structure schematic diagram of the light fixture shown in Figure 10;
Figure 12 is another cross section structure schematic diagram of the light fixture shown in Figure 10;
Figure 13 is the stereo decomposing structural representation of the light fixture shown in Figure 10, wherein eliminates accommodating body and illuminator part;
Figure 14 is the plane decomposition structural representation of the light fixture shown in Figure 10, wherein eliminates accommodating body and illuminator part;
Figure 15 is the perspective view of the light fixture of the utility model the 4th preferred embodiment;
Figure 16 is a cross section structure schematic diagram of the light fixture shown in Figure 15;
Figure 17 is another cross section structure schematic diagram of the light fixture shown in Figure 15.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 to Fig. 5, the utility model first embodiment provides a kind of light fixture 100, and this light fixture 100 mainly comprises accommodating body 110, illuminator 120, lamp holder 130 and elastic packing assembly 140.
Accommodating body 110 is provided with an openend 111, openend 111 is provided with external screw thread 112, and this external screw thread 112 is provided with cutting tip 113, and this cutting tip 113 reserves an exhaust passage 160 after making accommodating body 110 and lamp holder 130 threaded engagement.In the present embodiment, accommodating body 110 is in ball alveolitoid, and in other embodiments, accommodating body 110 also can be corn type or other shapes.Accommodating body 110 can be one-body molded by transparent or semitransparent material.
Illuminator 120 is arranged in accommodating body 110 through openend 111.In the present embodiment, illuminator 120 comprises circuit board 121, multiple LED chip 122, power circuit 123 and sealant 124.Multiple LED chip 122 and power circuit 123 to be arranged on circuit board 121 and to be covered by sealant 124.Wherein, power circuit 123 is for being converted to the operating voltage of LED chip 122 by civil power.
Circuit board 121 enters one and comprises inserting part 1211, main part 1212 and weld pad 1213, main part 1212 is arranged at one end of inserting part 1211, weld pad 1213 is arranged at the other end of inserting part 1211, the width of main part 1212 is greater than the width of inserting part 1211, and the width of weld pad 1213 is also slightly larger than the width of inserting part 1211.Multiple LED chip 122 are arranged on the both sides of main part 1212, and power circuit 123 is arranged on a side or the two sides of main part 1212.Weld pad 1213 is for being electrically connected with lamp holder 130.
Lamp holder 130 matches in the outside of openend 111 with accommodating body 110.Lamp holder 130 has internal thread.In a preferred embodiment, the internal thread of lamp holder 130 is also provided with cutting tip, forms above-mentioned exhaust passage 160 to coordinate the cutting tip 113 on the external screw thread 112 of openend 111.In other embodiments, on lamp holder 130, also directly can offer the air-vent carrying out with outside being communicated with.
Elastic packing assembly 140 is arranged in accommodating body 110 through openend 111, elastic packing assembly 140 has a jack 1413, illuminator 120 to be inserted in jack 1413 and to be electrically connected with lamp holder 130, and elastic packing assembly 140 coordinates the airtight accommodating cavity 150 formed for holding cooling medium with accommodating body 110 and illuminator 120.
Elastic packing assembly 140 is provided with elasticity relief chamber 143, and elasticity relief chamber 143 makes elastic packing assembly 140 medium squeeze that is cooled when cooling medium heat absorption is expanded shrink, and then prevents accommodating body 110 from bursting.
Elastic packing assembly 140 comprises elastic external member 141 and top plug 142.Elastic external member 141 can be one-body molded by soft plastic, and top plug 142 can be one-body molded by hard plastic.
Specifically, elastic external member 141 comprises the first elastic external member 1411 and the second elastic external member 1412.First elastic external member 1411 is provided with above-mentioned jack 1413.Second elastic external member 1412 is sheathed on the periphery of the first elastic external member 1411, and is connected with the first elastic external member 1411, and elasticity relief chamber 143 is formed between the first elastic external member 1411 and the second elastic external member 1412.
Top plug 142 comprises top plug main body 1421 and is arranged at the clamping part 1422 of top plug main body 1421.Top plug main body 1421 is inserted in the second elastic external member 1412, and by the second elastic external member 1412 pressure holding on accommodating body 110, realize the sealing between the second elastic external member 1412 and accommodating body 110, top plug main body 1421 is provided with the steam vent 1423 be communicated with elasticity relief chamber 143 further.Clamping part 1422 is provided with clamping hole 1424, the first elastic external member 1411 is inserted in clamping hole 1424, to be realized the sealing between the first elastic external member 1411 and illuminator 120 by the clamping action of clamping part 1422.
Top plug main body 1421 and the stepped setting respectively of the second elastic external member 1412, and a cascaded surface 1414 of the second elastic external member 1412 fills in main body 1421 pressure holding on the outer face of the openend 111 of accommodating body 110 by top.The outer end 1425 of top plug main body 1421 abuts with lamp holder 130 further.
Light fixture 100 comprises cooling medium further, and cooling medium is located in airtight accommodating cavity 150.Cooling medium can be water or oil, cooling medium can be full of airtight accommodating cavity 150, or only stay less bubble, the compressible volume of this bubble is much smaller than the volume of cooling medium expanded by heating, this bubble is not mainly used in suitably being compressed to prevent accommodating body from bursting when cooling medium expanded by heating, and the reason that this bubble is formed comprises the outward appearance needs of product or causes due to assembling product error.
In the present embodiment, the rectangular channel-shaped of jack 1413, the inserting part 1211 of circuit board 121 is inserted in jack 1413, main part 1212 and weld pad 1213 form the retaining structure at inserting part 1211 two ends, multiple LED chip 122 and power circuit 123 are soaked in cooling medium, to be dispelled the heat by cooling medium.
Elasticity relief chamber 143 medium squeeze that is cooled when cooling medium heat absorption is expanded shrinks, and the gas simultaneously in elasticity relief chamber 143 is discharged via steam vent 1423, exhaust passage 160.
See also Fig. 6 to Fig. 9, the utility model second embodiment provides a kind of light fixture 200, and this light fixture 200 mainly comprises accommodating body 210, illuminator 220, lamp holder 230 and elastic packing assembly 240.
Accommodating body 210 is provided with an openend 211, openend 211 is provided with external screw thread 212, and this external screw thread 212 is provided with cutting tip 213, and this cutting tip 213 reserves an exhaust passage 260 after making accommodating body 210 and lamp holder 230 threaded engagement.In the present embodiment, accommodating body 210 is in ball alveolitoid, and in other embodiments, accommodating body 210 also can be corn type or other shapes.Accommodating body 210 can be one-body molded by transparent or semitransparent material.
Illuminator 220 is arranged in accommodating body 210 through openend 211.In the present embodiment, illuminator 220 comprises light source bracket 225 and is arranged at the light source 221 of light source bracket 225 end.Light source 221 can comprise circuit board, LED chip and sealant etc., and wherein, LED chip arranges on circuit boards and covered by sealant.Light source bracket 225 is the integrated hollow type structure of hard plastic, and circuit board is embedded in the end of light source bracket 225, and is provided with fluid sealant 226 between the outward flange of circuit board and light source bracket 225.
Lamp holder 230 matches in the outside of openend 211 with accommodating body 210.Lamp holder 230 has internal thread.In a preferred embodiment, the internal thread of lamp holder 230 is also provided with cutting tip, forms above-mentioned exhaust passage 260 to coordinate the cutting tip 213 on the external screw thread 212 of openend 211.In other embodiments, on lamp holder 230, also directly can offer the air-vent carrying out with outside being communicated with.
Elastic packing assembly 240 is arranged in accommodating body 210 through openend 211, elastic packing assembly 240 has a jack 2413, illuminator 220 to be inserted in jack 2413 and to be electrically connected with lamp holder 230, and elastic packing assembly 240 coordinates the airtight accommodating cavity 250 formed for holding cooling medium with accommodating body 210 and illuminator 220.
Elastic packing assembly 240 is provided with elasticity relief chamber 243, and elasticity relief chamber 243 makes elastic packing assembly 240 medium squeeze that is cooled when cooling medium heat absorption is expanded shrink, and then prevents accommodating body 210 from bursting.
Elastic packing assembly 240 comprises elastic external member 241 and top plug 242.Elastic external member 241 can be one-body molded by soft plastic, and top plug 242 can be one-body molded by hard plastic.
Specifically, elastic external member 241 comprises the first elastic external member 2411 and the second elastic external member 2412.First elastic external member 2411 is provided with above-mentioned jack 2413.Second elastic external member 2412 is sheathed on the periphery of the first elastic external member 2411, and is connected with the first elastic external member 2411, and elasticity relief chamber 243 is formed between the first elastic external member 2411 and the second elastic external member 2412.
Top plug 242 comprises top plug main body 2421 and is arranged at the clamping part 2422 of top plug main body 2421.Top plug main body 2421 is inserted in the second elastic external member 2412, and by the second elastic external member 2412 pressure holding on accommodating body 210, realize the sealing between the second elastic external member 2412 and accommodating body 210, top plug main body 2421 is provided with the steam vent 2423 be communicated with elasticity relief chamber 243 further.Clamping part 2422 is provided with clamping hole 2424, the first elastic external member 2411 is inserted in clamping hole 2424, to be realized the sealing between the first elastic external member 2411 and illuminator 220 by the clamping action of clamping part 2422.
Top plug main body 2421 and the stepped setting respectively of the second elastic external member 2412, and a cascaded surface 2414 of the second elastic external member 2412 fills in main body 2421 pressure holding on the outer face of the openend 211 of accommodating body 210 by top.The outer end 2425 of top plug main body 2421 abuts with lamp holder 230 further.
Light fixture 200 comprises cooling medium further, and cooling medium is located in airtight accommodating cavity 250.Cooling medium can be water or oil, cooling medium can be full of airtight accommodating cavity 250, or only stay less bubble, the compressible volume of this bubble is much smaller than the volume of cooling medium expanded by heating, this bubble is not mainly used in suitably being compressed to prevent accommodating body from bursting when cooling medium expanded by heating, and the reason that this bubble is formed comprises the outward appearance needs of product or causes due to assembling product error.
In the present embodiment, jack 2413 is poroid in step, and light source bracket 225 is step-like in what mate with jack 2413, and light source bracket 225 is inserted in jack 2413, and LED chip is soaked in cooling medium, to be dispelled the heat by cooling medium.
Elasticity relief chamber 243 medium squeeze that is cooled when cooling medium heat absorption is expanded shrinks, and the gas simultaneously in elasticity relief chamber 243 is discharged via steam vent 2423, exhaust passage 260.
See also Figure 10 to Figure 14, the utility model the 3rd embodiment provides a kind of light fixture 300, and this light fixture 300 mainly comprises accommodating body 310, illuminator 320, lamp holder 330 and elastic packing assembly 340.
Accommodating body 310 is provided with openend 311, draw-in groove 312 and a block 313.In the present embodiment, accommodating body 310 is in the long cartridge type closed up, and in other embodiments, accommodating body 310 also can be ball alveolitoid, corn type or other shapes.Accommodating body 310 can be one-body molded by transparent or semitransparent material.
Illuminator 320 is arranged in accommodating body 310 through openend 311, and in the present embodiment, illuminator 320 comprises circuit board 321, multiple LED chip 322 and sealant (diagram is not).Multiple LED chip 322 to be arranged on circuit board 321 and to be covered by sealant.
Circuit board 321 enters one and comprises inserting part 3211, main part 3212 and weld pad 3213, main part 3212 is arranged at one end of inserting part 3211, weld pad 3213 is arranged at the other end of inserting part 3211, the width of main part 3212 is greater than the width of inserting part 3211, and the width of weld pad 3213 is also slightly larger than the width of inserting part 3211.Multiple LED chip 322 is arranged on a side or the two sides of main part 3212.Weld pad 3213 is for being electrically connected with lamp holder 330.
Lamp holder 330 matches in the outside of openend 311 with accommodating body 310.Lamp holder 330 comprises cap body 331 and switching external member 332, and cap body 331 is connected with accommodating body 310 by switching external member 332.
In the present embodiment, switching external member 332 is provided with external screw thread 3321, and external screw thread 3321 is provided with cutting tip 3322, and this cutting tip 3322 reserves an exhaust passage 360 after making switching external member 332 and cap body 331 threaded engagement.Cap body 331 is provided with internal thread, and this internal thread can arrange cutting portion further, forms above-mentioned exhaust passage 360 to coordinate the cutting tip 3322 on external screw thread 3321.Further, the top of cap body 331 is provided with air-vent 3311.
Switching external member 332 inside is also provided with multiple grab 3323 and a catch 3324, grab 3323 is for being clasped with the draw-in groove 312 of accommodating body 310, catch 3324 for coordinating with the block 313 of accommodating body 310, with switching external member 332 be clasped with accommodating body 310 after limit both relative rotation.
Elastic packing assembly 340 is arranged in accommodating body 310 through openend 311, elastic packing assembly 340 has a jack 3413, illuminator 320 to be inserted in jack 3413 and to be electrically connected with lamp holder 330, and elastic packing assembly 340 coordinates the airtight accommodating cavity 350 formed for holding cooling medium with accommodating body 310 and illuminator 320.
Elastic packing assembly 340 is provided with elasticity relief chamber 343, and elasticity relief chamber 343 makes elastic packing assembly 340 medium squeeze that is cooled when cooling medium heat absorption is expanded shrink, and then prevents accommodating body 310 from bursting.
Elastic packing assembly 340 comprises elastic external member 341 and top plug 342.Elastic external member 341 can be one-body molded by soft plastic, and top plug 342 can be one-body molded by hard plastic.
Specifically, elastic external member 341 comprises the first elastic external member 3411 and the second elastic external member 3412.First elastic external member 3411 is provided with above-mentioned jack 3413.Second elastic external member 3412 is sheathed on the periphery of the first elastic external member 3411, and is connected with the first elastic external member 3411, and elasticity relief chamber 343 is formed between the first elastic external member 3411 and the second elastic external member 3412.
Top plug 342 comprises top plug main body 3421 and is arranged at the clamping part 3422 of top plug main body 3421.Top plug main body 3421 is inserted in the second elastic external member 3412, and by the second elastic external member 3412 pressure holding on accommodating body 310, realize the sealing between the second elastic external member 3412 and accommodating body 310, top plug main body 3421 is provided with the steam vent 3423 be communicated with elasticity relief chamber 343 further.Clamping part 3422 is provided with clamping hole 3424, the first elastic external member 3411 is inserted in clamping hole 3424, to be realized the sealing between the first elastic external member 3411 and illuminator 320 by the clamping action of clamping part 3422.
Top plug main body 3421 and the stepped setting respectively of the second elastic external member 3412, and a cascaded surface 3414 of the second elastic external member 3412 fills in main body 3421 pressure holding on the outer face of the openend 311 of accommodating body 310 by top.The outer end 3425 of top plug main body 3421 abuts with lamp holder 330 further.
Light fixture 300 comprises cooling medium further, and cooling medium is located in airtight accommodating cavity 350.Cooling medium can be water or oil, cooling medium can be full of airtight accommodating cavity 350, or only stay less bubble, the compressible volume of this bubble is much smaller than the volume of cooling medium expanded by heating, this bubble is not mainly used in suitably being compressed to prevent accommodating body from bursting when cooling medium expanded by heating, and the reason that this bubble is formed comprises the outward appearance needs of product or causes due to assembling product error.
In the present embodiment, the rectangular channel-shaped of jack 3413, the inserting part 3211 of circuit board 321 is inserted in jack 3413, main part 3212 and weld pad 3213 form the retaining structure at inserting part 3211 two ends, multiple LED chip 322 and power circuit (not shown) are soaked in cooling medium, to be dispelled the heat by cooling medium.
Elasticity relief chamber 343 medium squeeze that is cooled when cooling medium heat absorption is expanded shrinks, and the gas simultaneously in elasticity relief chamber 343 is discharged via steam vent 3423, air-vent 3311 (or exhaust passage 360).
See also Figure 15 to Figure 17, the utility model the 4th embodiment provides a kind of light fixture 400, and this light fixture 400 comprises accommodating body 410, elasticity power storehouse 420, sheet illuminator 430, cooling medium 440 and lamp holder 450.
Accommodating body 410 is provided with an openend 412.In the present embodiment, accommodating body 410 is in ball alveolitoid, and in other embodiments, accommodating body 410 also can be corn type or other shapes.Accommodating body 410 can be one-body molded by transparent or semitransparent material.
Elasticity power storehouse 420 is inserted in accommodating body 410 through openend 412, and elasticity power storehouse 420 is for accommodating power circuit (not shown), and the bottom of elasticity power storehouse 420 is provided with a jack 422.
Sheet illuminator 430 is sealed by elasticity perspex, and sheet illuminator 430 is inserted in jack 422 and is electrically connected with power circuit, and wherein, elasticity power storehouse 420 coordinates with accommodating body 410 and sheet illuminator 430 and forms airtight accommodating cavity (mark).
Cooling medium 440 is located in airtight accommodating cavity, and to make sheet illuminator 430 be immersed in cooling medium 440 at least partly, cooling medium can be water or wet goods.
Lamp holder 450 matches in the outside of openend 412 with accommodating body 410 or elasticity power storehouse 420.
In the present embodiment, carry out absorbing thermal expansion impact by the contraction deformation of elasticity power storehouse 420.
In sum, those skilled in the art hold understanding, the light fixture that the utility model provides is owing to being provided with elastic packing assembly, there is better sealing, and owing to being provided with elasticity relief chamber, can effectively prevent accommodating body from bursting, while providing excellent heat dispersion performance, improve the safety and reliability of light fixture further.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (16)
1. a light fixture, is characterized in that, comprising:
Accommodating body, is provided with an openend;
Illuminator, is arranged at through described openend in described accommodating body;
Lamp holder, matches in the outside of described openend with described accommodating body;
Elastic packing assembly, be arranged at through described openend in described accommodating body, described elastic packing assembly has a jack, described illuminator is inserted in described jack, and be electrically connected with described lamp holder, described elastic packing assembly coordinates the airtight accommodating cavity formed for holding cooling medium with described accommodating body and described illuminator.
2. light fixture according to claim 1, it is characterized in that, described elastic packing assembly is provided with elasticity relief chamber, to make described elastic packing assembly be shunk by described cooling medium extruding when described cooling medium heat absorption is expanded, and then prevents described accommodating body from bursting.
3. light fixture according to claim 2, is characterized in that, described elastic packing assembly comprises:
Elastic external member, comprise the first elastic external member and the second elastic external member, described first elastic external member is provided with described jack, described second elastic external member is sheathed on the periphery of described first elastic external member, and be connected with described first elastic external member, described elasticity relief chamber is formed between described first elastic external member and described second elastic external member;
Top plug, comprises top plug main body, and described top plug main body is inserted in described second elastic external member, and by described second elastic external member pressure holding on described accommodating body, realizes the sealing between described second elastic external member and described accommodating body.
4. light fixture according to claim 3, it is characterized in that, described top plug main body and the stepped setting respectively of described second elastic external member, and a cascaded surface of described second elastic external member fills in main body pressure holding on the outer face of the openend of described accommodating body by described top.
5. light fixture according to claim 4, is characterized in that, the outer end of described top plug main body abuts with described lamp holder further.
6. light fixture according to claim 5, it is characterized in that, described top plug comprises the clamping part being arranged at described top plug main body further, described clamping part is provided with clamping hole, described first elastic external member is inserted in described clamping hole, to be realized the sealing between described first elastic external member and described illuminator by the clamping action of described clamping part.
7. light fixture according to claim 6, it is characterized in that, described top plug main body is provided with the steam vent is communicated with described elasticity relief chamber further, described lamp holder or be provided with described steam vent and outside exhaust passage of carrying out being communicated with further between described lamp holder with described accommodating body.
8. light fixture according to claim 1, is characterized in that, described light fixture comprises described cooling medium further, and described cooling medium is located in described airtight accommodating cavity.
9. the light fixture according to any one of claim 1-8, it is characterized in that, the sealant that described illuminator comprises circuit board, is arranged at the multiple LED chip on described circuit board and is covered in described circuit board and described LED chip, described circuit board is inserted in described jack, described LED chip is soaked in described cooling medium, to be dispelled the heat by described cooling medium.
10. light fixture according to claim 9, it is characterized in that, the rectangular channel-shaped of described jack, described circuit board comprises inserting part and main part, described main part is arranged at one end of described inserting part, and the width of described main part is greater than the width of described inserting part, and described inserting part is inserted in described jack, described multiple LED chip arranges the both sides of described main part respectively, and the other end of described inserting part is provided with the weld pad for being electrically connected with described lamp holder.
11. light fixtures according to claim 10, is characterized in that, described illuminator comprises further and being arranged on described circuit board and the power circuit covered by described sealant, and described power circuit is soaked in described cooling medium further.
12. light fixtures according to any one of claim 1-8, it is characterized in that, described illuminator comprises light source bracket, is arranged at the circuit board of described light source bracket end, is arranged at the LED chip on described circuit board and is covered in the sealant in described circuit board and described LED chip, described LED chip is soaked in described cooling medium, to be dispelled the heat by described cooling medium.
13. light fixtures according to claim 12, it is characterized in that, described light source bracket is the integrated hollow type structure of hard plastic, and wherein said circuit board is embedded in the end of described light source bracket, and is provided with fluid sealant between the outward flange and described light source bracket of described circuit board.
14. light fixtures according to claim 12, is characterized in that, described jack is that step is poroid, and described light source bracket is step-like in what mate with described jack, and described light source bracket is inserted in described jack.
15. light fixtures according to any one of claim 1-8, is characterized in that, described lamp holder comprises cap body and switching external member, and described cap body is connected with described accommodating body by described switching external member.
16. 1 kinds of light fixtures, is characterized in that, comprising:
Accommodating body, is provided with an openend;
Elasticity power storehouse, is inserted in described accommodating body through described openend, and described elasticity power storehouse is used for accommodating power circuit, and the bottom of described elasticity power storehouse is provided with a jack;
Sheet illuminator, described sheet illuminator is sealed by elasticity perspex, described sheet illuminator is inserted in described jack and is electrically connected with described power circuit, and wherein, described elasticity power storehouse coordinates with described accommodating body and described sheet illuminator and forms airtight accommodating cavity;
Cooling medium, described cooling medium is located in described airtight accommodating cavity, is immersed in described cooling medium at least partly to make described sheet illuminator; And
Lamp holder, matches in the outside of described openend with described accommodating body or described elasticity power storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558496.4U CN204806131U (en) | 2015-07-29 | 2015-07-29 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558496.4U CN204806131U (en) | 2015-07-29 | 2015-07-29 | Lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355695A (en) * | 2017-05-25 | 2017-11-17 | 海盐派特普科技有限公司 | A kind of bulb of not cracky |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355695A (en) * | 2017-05-25 | 2017-11-17 | 海盐派特普科技有限公司 | A kind of bulb of not cracky |
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