CN203500870U - LED (light-emitting diode) flat panel light for clean room - Google Patents
LED (light-emitting diode) flat panel light for clean room Download PDFInfo
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- CN203500870U CN203500870U CN201320350464.6U CN201320350464U CN203500870U CN 203500870 U CN203500870 U CN 203500870U CN 201320350464 U CN201320350464 U CN 201320350464U CN 203500870 U CN203500870 U CN 203500870U
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Abstract
The utility model relates to an LED (light-emitting diode) flat panel light for a clean room. The LED flat panel light comprises two LED light bars which are arranged in parallel, a radiator for radiating the LED light bars and a flat box-shaped shell for accommodating the LED light bars and the radiator, wherein a light guide plate is arranged between the two LED light bars; each LED light bar comprises a PCB (printed circuit board) and LED beads which are arranged on the PCB; the shell comprises a light diffusion plate and a reflecting film; the light diffusion plate is arranged on the front face of the light guide plate; the reflecting film is arranged on the back face of the light guide plate; the LED flat panel light is characterized in that the shell also comprises an annular frame for accommodating the LED light bars and the radiator; the annular frame is of an integrated structure; at least one axial end is provided with a turned edge which faces the center; the reflecting plate is arranged inside the turned edge; a chamfer is arranged around the inner side of the turned edge. According to the LED flat panel light, the shell is of a sealed structure which is unlikely to accumulate dust, thus being particularly suitable for being used in the clean room. In addition, the LED flat panel light can also be provided with a unique heat dissipation structure, so that quick exchange of the internal heat of the shell to the exterior is facilitated, and the integral environment temperature in the shell is reduced.
Description
Technical field
The utility model relates to a kind of LED light fixture, relates in particular to a kind of LED flat lamp.
Background technology
LED lamp is as the new development trend of lighting field, has energy-efficiently, and the life-span is long, vision protection, health environment-friendly, the advantages such as the high and safety of light efficiency.LED flat lamp has been inherited above-mentioned advantage as a kind of special LED light fixture, there is in addition thin thickness, luminous evenly soft feature, being therefore widely used in hotel, meeting room, factory, office, house, communal facility, school and hospital etc. needs the place energy-conservation and illumination of high-color rendering index.But the environment such as toilet are had relatively high expectations to flat lamp, LED flat lamp frame of the prior art adopts splicing assembling, easily at place, gap laying dust, thereby cannot meet specific clean requirement.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of simple in structure, luminous even without dead angle, strengthens heat radiation, the LED flat lamp for toilet of safety and long service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of LED flat lamp for toilet, comprise two LED lamp bars that be arranged in parallel, for the radiator of LED lamp bar heat radiation and the flat box shaped shell of accommodating described LED lamp bar and radiator, between described two LED lamp bars, be provided with LGP, described LED lamp bar comprises pcb board and is located at the LED lamp pearl on pcb board, described housing comprises the reflectance coating of being located at the light diffusing sheet before described LGP and being located at the LGP back side, it is characterized in that: described housing also comprises the annular peripheral frame of accommodating described LED lamp bar and radiator, described annular peripheral frame is integral type structure, and at least axially one end is provided with to middle flange, described light diffusing sheet is located at described flange inner side, the inboard of described flange is provided with chamfering for one week.
Preferably, described radiator comprises two blocks of first heat sinks of being located at respectively LGP both sides, the first heat sink sets gradually pcb board and the LED lamp pearl of corresponding LED lamp bar towards a side of LGP, described housing comprises the backboard of being located at the LGP back side, described backboard is provided with some thermovents, described radiator also comprises perpendicular to described two the first heat sink settings, is located at second heat sink at the described LGP back side, the second heat sink is located at described backboard inner side, and on the second heat sink, is also provided with some thermovents.
Preferably, in described LED lamp bar, LED lamp pearl on pcb board along arranged in a straight line, LED lamp pearl comprises the light-emitting area of vertical the second heat sink, the described light-emitting area of each LED lamp pearl at LED lamp bar middle part is respectively along the direction setting of vertical pcb board, and the described light-emitting area of each LED lamp pearl at LED lamp bar two ends is obliquely installed to LED lamp bar middle part with respect to the direction of vertical pcb board respectively.
Preferably, the described light-emitting area of each LED lamp pearl at LED lamp bar two ends arranges to 15 ° of-30 ° of angles of inclination, LED lamp bar middle part with respect to the direction of vertical pcb board respectively.
Preferably, described backboard is provided with some the first poroid thermovents, and the diameter of described the first thermovent is less than 1cm.
Preferably, described the second heat sink is provided with some the second poroid thermovents.
Preferably, described light diffusing sheet, two blocks of first heat sinks, the second heat sink and LGP enclose the first cavity, and described the second heat sink is provided with the second thermovent that is communicated with described the second cavity.
The utility model has solved the defect existing in background technology, LED flat lamp of the present utility model, and its annular peripheral frame is integral type structure, without splicing gap, flange inner side arranges chamfering, is difficult for accumulation dust and easy cleaning, is especially applicable to clean room environment and uses.This flat lamp has the first heat sink LED lamp bar is directly dispelled the heat in addition, and the second heat sink, to LED lamp bar auxiliary heat dissipation, increases radiating efficiency greatly.On the second heat sink, thermovent is set, be beneficial to the transfer of heat that LED lamp bar distributes and go out the first cavity, between the second heat sink and backboard, on backboard, thermovent is also set simultaneously, be conducive to heat is dissipated to backboard in backboard, be that enclosure interior heat exchanges to outside fast, reduce enclosure interior space integrated environment temperature, be beneficial to the heat radiation that strengthens LED lamp bar.The housing of whole flat lamp can be used insulation board to form, and prevents that the electric leakage of LED lamp bar from making connected metallic heat dissipating part conduction and causing potential safety hazard.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the side-looking cut-away view of preferred embodiment of the present utility model;
Fig. 2 is the top view of preferred embodiment of the present utility model;
Fig. 3 is the upward view of backboard shown in Fig. 1;
Fig. 4 is the schematic top plan view that in the utility model preferred embodiment, LED lamp pearl is arranged;
In figure: 2, LGP, the 4, first heat sink, 6, pcb board, 8, LED lamp pearl, 12, light diffusing sheet, 13, reflectance coating, 14, backboard, the 16, second heat sink, 18, annular peripheral frame, 19, flange, 21, chamfering, the 22, first cavity, 24, the second cavity, 26, light-emitting area, 28, light-emitting area, 32, the second thermovent, the 34, first thermovent.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As Figure 1-4, a kind of LED flat lamp for toilet, comprise two LED lamp bars that be arranged in parallel, the radiator dispelling the heat for LED lamp bar and the flat box shaped shell of accommodating LED lamp bar and radiator, between two LED lamp bars, be provided with LGP 2, LED lamp bar comprises pcb board 6 and is located at the LED lamp pearl 8 on pcb board 6.Housing comprises is located at LGP 2 light diffusing sheet 12 above and the reflectance coating 13 of being located at LGP 2 back sides.Housing also comprises the annular peripheral frame 18 of accommodating LED lamp bar and radiator, and annular peripheral frame 18 is integral type structure, and at least axially one end is provided with to middle flange 19, and light diffusing sheet 12 is located at flange 19 inner sides, and the inboard of flange 19 is provided with chamfering 21 for one week.
Radiator comprises that two blocks of first heat sink 4, the first heat sinks 4 of being located at respectively LGP 2 both sides set gradually pcb board 6 and the LED lamp pearl 8 of corresponding LED lamp bar towards a side of LGP 2.Housing comprises the backboard 14 of being located at LGP 2 back sides, backboard 14 is provided with some thermovents, radiator also comprises the second heat sink 16 that arranges, is located at LGP 2 back sides perpendicular to two blocks of first heat sinks 4, the second heat sink 16 is located at backboard 14 inner sides, and is also provided with some thermovents on the second heat sink 16.
Concrete, 12, two blocks of first heat sink 4, the second heat sinks 16 of light diffusing sheet and LGP 2 enclose the first cavity 22.Annular peripheral frame 18, the first heat sink 4 and the second heat sink 16 enclose respectively the second cavity 24 at flat lamp two ends.The first heat sink 4 is close to pcb board 6 and is arranged, and heat transfer area is large, bears main heat radiation work, and LED lamp pearl 8 is had to electromagnetic shielding action, and the second heat sink 16 also contacts with pcb board 6, but heat transfer area is relatively little, bears auxiliary heat dissipation work.A heat part for LED lamp pearl 8 is directly dispersed in the first cavity 22, a part is distributed to backward the second cavity 24 of the first heat sink 4 by pcb board 6 conduction, and another part is transmitted to the space between backward the second heat sink 16 of the second heat sink 16 and backboard 14 by pcb board 6 conduction.
Preferably, in LED lamp bar, LED lamp pearl 8 on pcb board 6 along arranged in a straight line, LED lamp pearl 8 comprises the light-emitting area of vertical the second heat sink 16, the light-emitting area 26 of each LED lamp pearl 8 at LED lamp bar middle part is respectively along the direction setting of vertical pcb board 6, and the light-emitting area 28 of the two-terminal led lamp pearl 8 of LED lamp bar is obliquely installed to LED lamp bar middle part with respect to the direction of vertical pcb board 6 respectively.Make the range of exposures of each LED lamp pearl 8 at LED lamp bar two ends cover the two ends of LGP 2, improve flat lamp Luminescence Uniformity.Further preferably, the light-emitting area 28 of each LED lamp pearl 8 at LED lamp bar two ends arranges to 15 ° of-30 ° of angles of inclination, LED lamp bar middle part with respect to the direction of vertical pcb board 6 respectively, can avoid luminous dead angle completely, reduces again luminous loss.
Preferably the second heat sink 16 is provided with some the second poroid thermovents 32.Especially the second heat sink 16 is provided with the second thermovent 32 that is communicated with the second cavity 24 and the second thermovent 32 that is communicated with the first cavity 22; The second thermovent 32 array arrangements of all connection the second cavitys 24 on the second heat sink 16, the second thermovent 32 of all connection the first cavitys 22 is array arrangement also.So, LED lamp pearl 8 is directly dispersed into the heat in the first cavity 22 and conducts by pcb board 6 heat distributing to backward the second cavity 24 of the first heat sink 4 can not accumulate, and can outwards transmit, and accelerates heat radiation.Especially by the thermovent on backboard 14, can arrive whole flat lamp outside by quick heat radiating, strengthen radiating effect.
Preferred back sheet 14 is provided with some the first poroid thermovents 34, and the diameter of the first thermovent 34 is less than 1cm.The size restrictions of the first thermovent 34 can avoid staff to stretch into accidents such as causing electric shock.
The housing of whole flat lamp can be used insulation board to form, and prevents that the electric leakage of LED lamp bar from making connected metallic heat dissipating part conduction and causing potential safety hazard, can take into account the heat radiation of flat lamp again because backboard 14 is provided with thermovent simultaneously.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, related personnel can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine technical scope according to claim scope.
Claims (7)
1. the LED flat lamp for toilet, comprise two LED lamp bars that be arranged in parallel, for the radiator of LED lamp bar heat radiation and the flat box shaped shell of accommodating described LED lamp bar and radiator, between described two LED lamp bars, be provided with LGP, described LED lamp bar comprises pcb board and is located at the LED lamp pearl on pcb board, described housing comprises the reflectance coating of being located at the light diffusing sheet before described LGP and being located at the LGP back side, it is characterized in that: described housing also comprises the annular peripheral frame of accommodating described LED lamp bar and radiator, described annular peripheral frame is integral type structure, and at least axially one end is provided with to middle flange, described light diffusing sheet is located at described flange inner side, the inboard of described flange is provided with chamfering for one week.
2. a kind of LED flat lamp for toilet according to claim 1, it is characterized in that: described radiator comprises two blocks of first heat sinks of being located at respectively LGP both sides, the first heat sink sets gradually pcb board and the LED lamp pearl of corresponding LED lamp bar towards a side of LGP, described housing comprises the backboard of being located at the LGP back side, described backboard is provided with some thermovents, described radiator also comprises perpendicular to described two the first heat sink settings, be located at second heat sink at the described LGP back side, the second heat sink is located at described backboard inner side, and on the second heat sink, be also provided with some thermovents.
3. a kind of LED flat lamp for toilet according to claim 2, it is characterized in that: in described LED lamp bar, LED lamp pearl on pcb board along arranged in a straight line, LED lamp pearl comprises the light-emitting area of vertical the second heat sink, the described light-emitting area of each LED lamp pearl at LED lamp bar middle part is respectively along the direction setting of vertical pcb board, and the described light-emitting area of each LED lamp pearl at LED lamp bar two ends is obliquely installed to LED lamp bar middle part with respect to the direction of vertical pcb board respectively.
4. a kind of LED flat lamp for toilet according to claim 3, is characterized in that: the described light-emitting area of each LED lamp pearl at LED lamp bar two ends arranges to 15 ° of-30 ° of angles of inclination, LED lamp bar middle part with respect to the direction of vertical pcb board respectively.
5. a kind of LED flat lamp for toilet according to claim 2, is characterized in that: described backboard is provided with some the first poroid thermovents, and the diameter of described the first thermovent is less than 1cm.
6. a kind of LED flat lamp for toilet according to claim 5, is characterized in that: described the second heat sink is provided with some the second poroid thermovents.
7. a kind of LED flat lamp for toilet according to claim 6, it is characterized in that: described light diffusing sheet, two blocks of first heat sinks, the second heat sink and LGP enclose the first cavity, described annular peripheral frame, the first heat sink and the second heat sink enclose the second cavity at flat lamp two ends respectively, and described the second heat sink is provided with the second thermovent that is communicated with described the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350464.6U CN203500870U (en) | 2013-06-19 | 2013-06-19 | LED (light-emitting diode) flat panel light for clean room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350464.6U CN203500870U (en) | 2013-06-19 | 2013-06-19 | LED (light-emitting diode) flat panel light for clean room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500870U true CN203500870U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350464.6U Expired - Fee Related CN203500870U (en) | 2013-06-19 | 2013-06-19 | LED (light-emitting diode) flat panel light for clean room |
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| CN (1) | CN203500870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277698A (en) * | 2013-06-19 | 2013-09-04 | 苏州信亚科技有限公司 | LED panel light for clean rooms |
| CN105987329A (en) * | 2015-01-19 | 2016-10-05 | 苏州欧普照明有限公司 | Lighting device |
-
2013
- 2013-06-19 CN CN201320350464.6U patent/CN203500870U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277698A (en) * | 2013-06-19 | 2013-09-04 | 苏州信亚科技有限公司 | LED panel light for clean rooms |
| CN105987329A (en) * | 2015-01-19 | 2016-10-05 | 苏州欧普照明有限公司 | Lighting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |