CN104089225A - Buried LED lamp - Google Patents
Buried LED lamp Download PDFInfo
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- CN104089225A CN104089225A CN201410348566.3A CN201410348566A CN104089225A CN 104089225 A CN104089225 A CN 104089225A CN 201410348566 A CN201410348566 A CN 201410348566A CN 104089225 A CN104089225 A CN 104089225A
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- radiator body
- led light
- radiator
- printing opacity
- face shield
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a buried LED lamp which comprises an embedded part, a radiator, a lamp holder, a circuit module, a reflection cup, a light-pervious cover and a sealing assembly. The radiator is contained in the embedded part and comprises a radiator body, a waterproof plug communicated with the radiator body and a plurality of cooking fins fixedly arranged on the outer side of the radiator body, and gaps exist among the cooling fins. The circuit module is arranged in the radiator body, the lamp holder is contained in the radiator body, the reflection cup is arranged on the lamp holder and arranged on the opening portion of the radiator body, the light-pervious cover covers the reflection cup, and the sealing assembly surrounds the edge of the light-pervious cover. The buried LED lamp is cooled due to arrangement of the cooling fins of the radiator, and is good in cooling effect. Besides, the two ends of the radiator body are provided with the waterproof plug and the sealing assembly respectively so that moisture and dust can be prevented from entering the radiator body, and sealing and waterproof effects are good.
Description
Technical field
The present invention relates to lighting technical field, particularly relate to a kind of buried LED light fixture.
Background technology
LED (Light Emitting Diode, light emitting diode), it can directly become visible ray by electric energy conversion efficiently, and has and reach tens thousand of hours～service life of 100,000 hours.It is made up of wafer and epoxy resin, because of it has can low-temperature working, light source direction is good etc., and characteristic is widely used in lighting field by people.
Buried LED light fixture, throws light on thereby gains the name for people because it is embedded in underground.Because its volume is little, power consumption is low, long service life, sturdy and durable, easy for installation and exotic shape are graceful etc., advantage is widely used in the light decoration in the places such as square, restaurant, private villa, meeting room, tourist attractions to buried LED light fixture.
But in fact, after existing buried LED lamp installation, due to buried LED light fixture be embedded in underground, radiating effect not ideal enough can affect the normal working performance of LED lamp.In addition, existing buried LED light fixture is also perfect not aspect waterproof, especially under some moist environment, cause tending to occur the globule in buried LED light fixture, affect the service life that LED lamp has also greatly reduced buried LED light fixture luminous time.
Summary of the invention
Based on this, be necessary to provide that a kind of radiating effect is better, the good buried LED light fixture of sealed waterproof effect, other technologies scheme of the present invention, also solved installation and maintenance convenient, avoid more firmly technical problem of glare phenomenon, overall structure.
A kind of buried LED light fixture, is characterized in that, comprises built-in fitting, radiator, lamp socket, circuit module, reflector, printing opacity face shield and black box;
Described radiator is contained in described built-in fitting, described radiator comprises that the waterproof plug that has the radiator body of an opening, be communicated with described radiator body and several are fixedly installed on the radiating fin in described radiator body outside, are provided with interval between radiating fin described in several;
Described circuit module is arranged in described radiator body;
Described lamp socket is contained in described radiator body;
Described reflector is arranged on described lamp socket, and is arranged on the described opening part of described radiator body;
Described printing opacity face shield covers on described reflector;
Described black box is around the edge that is arranged on described printing opacity face shield.
In one of them embodiment, also comprise barrier, described barrier is arranged between described reflector and described printing opacity face shield.
In one of them embodiment, described barrier comprises several grizzly bars that spacer ring and two ends are all connected with described spacer ring inner side place, described in several, between grizzly bar, is provided with interval.
In one of them embodiment, the outer surface of described grizzly bar arranges reflector layer.
In one of them embodiment, described built-in fitting is hollow cylindrical structure.
In one of them embodiment, described heat radiator body is hollow cylindrical structure.
In one of them embodiment, described black box comprises sealing ring, cover and cover plate, described sealing ring is around the edge that is arranged at described printing opacity face shield, and with described printing opacity face shield close contact, described cover is around being arranged on described sealing ring, described cover plate is arranged on described cover, and described sealing ring is pressed between described cover and described printing opacity face shield.
In one of them embodiment, also comprise fixture, on described reflector, offer holddown groove, on described lamp socket, offer draw-in groove, described fixture wears described holddown groove, and the two ends of described fixture are embedded at respectively in described draw-in groove, so that reflector and described lamp socket fix.
In one of them embodiment, described circuit module comprises, support, ballast, electric capacity and trigger, and described ballast, described electric capacity and described trigger are installed on described support.
In one of them embodiment, described printing opacity face shield is safety glass printing opacity face shield.
Above-mentioned buried LED light fixture dispels the heat by the radiating fin that radiator is set, and radiating effect is better.In addition, also at the two ends of radiator body, waterproof plug and black box are set respectively, can prevent that steam and dust from entering in radiator body, sealed waterproof effect is better.
Brief description of the drawings
Fig. 1 is the structural representation of the buried LED light fixture of an embodiment of the present invention;
Fig. 2 is the structural representation of the built-in fitting shown in Fig. 1;
Fig. 3 is the structural representation of the radiator shown in Fig. 1;
Fig. 4 is the structural representation of the circuit module shown in Fig. 1 and lamp socket;
Fig. 5 is the structural representation of the reflector shown in Fig. 1, fixture and lamp socket;
Fig. 6 be the reflector shown in Fig. 5 cutaway view;
Fig. 7 is the structural representation of the sealing ring shown in Fig. 1 and cover.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public concrete enforcement.
Refer to Fig. 1, buried LED light fixture 10 comprises built-in fitting 100, radiator 200, circuit module 300, lamp socket 400, reflector 500, fixture 600, barrier 700, printing opacity face shield 800 and black box 900.
Refer to Fig. 2, built-in fitting 100 is hollow structure.The bottom of built-in fitting 100 offers wiring hole 110, for penetrating electric wire, connection is installed.The ground end 120 of built-in fitting 100 is radially also fixedly installed several reinforcements 130, to strengthen the mechanical performance of built-in fitting 100, prevent built-in fitting 100 strike when mounted earth or install after be subject to the extruding of earth and be out of shape.
Built-in fitting 100 is imbedded subsurface, for the steam in isolated earth and the erosion of microorganism, and prevents that earth from entering.
In order further to strengthen the mechanical performance of built-in fitting 100, be out of shape to prevent built-in fitting to be subject to the extruding of earth.For example, built-in fitting 100 is macromolecular material integrated injection molding.And for example, built-in fitting 100 is for aluminium alloy is by the moulding of predetermined mold formed by integrally casting.Like this, can further strengthen the mechanical performance of built-in fitting 100, be out of shape to prevent built-in fitting 100 to be subject to the extruding of earth.
For example, the outer surface of built-in fitting 100 arranges inoxidzable coating (not shown), and for example, built-in fitting 100 outer surfaces are provided with fine and close high-density polyethylene ene coatings (not shown), with the steam in further isolated earth and the erosion of microorganism.And for example, built-in fitting 100 is the moulding of aluminium alloy formed by integrally casting, and its outer surface arranges plastic coating, and the thickness of described plastic coating is less than 2 millimeters, can obtain so good radiating effect.
Refer to Fig. 1 and Fig. 3, radiator 200 is placed in built-in fitting 100.Waterproof plug 220 and several radiating fins 230 that radiator 200 comprises radiator body 210, is communicated with radiator body 210.
Waterproof plug 220 comprises water joint 221 and waterproof wiring pipe 222, and water joint 221 is fixedly installed on radiator body 210, and is communicated with radiator body 210.In the time that buried LED light fixture 10 is arranged on to subsurface, 222 of waterproof wiring pipes allow electric wire to pass, and again waterproof are taken over to 222 afterwards and are tightened on water joint 221, thereby can prevent that steam from entering in radiator body 210, and sealed waterproof effect is better.
In order to strengthen the waterproof effect of waterproof plug 220.For example, the madial wall of waterproof wiring pipe 222 is provided with flexible glue layer (not shown), when electric wire being arranged in waterproof wiring pipe 222, with electric wire interference butt, i.e. close contact, like this, can strengthen the waterproof effect of waterproof plug 220.
Several radiating fins 230 are fixedly installed on the outer surface of radiator body 210, and be provided with interval between several radiating fins 230, the heat that the LED lamp that radiating fin 230 can absorb radiator body 210 produces is delivered in extraneous air, radiating fin 230 can increase heat radiation specific area on the one hand, reach the effect that increases the coefficient of heat conduction, on the other hand, several radiating fins 230 can also be separated to form air several heat-dissipating spaces, further to strengthen radiating effect.For example, at least one extension is set in built-in fitting, wherein arrange with the hollow structure of built-in fitting together with cavity, radiator body also extends heat radiation branch is set, described in each, heat radiation branch is arranged in the cavity of the described extension of a correspondence, like this, greatly improve radiating effect, extended the Acceptable life of underground lamp.And for example, in built-in fitting, only arrange one described in extension, it is spirality, it is around the outer wall setting of described built-in fitting; Like this, with respect to the underground lamp of common structure, there is more excellent radiating effect.And for example, in the wall body of built-in fitting, laminboard layer is set, sandwich layer of metal core, such as aluminium alloys etc., like this, contribute to promote the heat dispersion of built-in fitting self.
In order further to strengthen the heat dispersion of radiating fin 230.For example, radiating fin 230 is sheet, and several sheet radiating fins 230 radially distribute taking the center line of radiator body 210 as axle.And for example, radiating fin 230 is structure as a whole, the center line taking radiator body 210 of integrative-structure radiating fin 230 is axle structure distribution in the shape of a spiral, and radiating fin 230 is spirally wrapped around on radiator body 210 taking the center line of radiator body 210 as axle.And for example, radiating fin 230 is acicular texture, and several needle-like radiating fins 230 are uniformly distributed on radiator body 210 taking the center line of radiator body 210 as axle.And for example, thick in the middle of radiating fin 230 has, the structure that two ends are thin, and bend at thicker centre position place.Like this, by optimizing and change the planform of radiating fin 230 and the combination with radiator body 210, can further strengthen the heat dispersion of radiating fin 230, further to strengthen the radiating effect of radiator 200, thereby can make integral heat sink effect better.
For make buried LED light fixture 10 install and keep in repair convenient and install after more firm.For example, refer to Fig. 2 and Fig. 3, the opening part of built-in fitting 100 is provided with annular mounting groove 140, opening 211 places of radiator body 210 are provided with annular boss 212, in the time that radiator 200 is installed on built-in fitting 100, first annular boss 212 is embedded in annular mounting groove 140, with threaded fastener, annular boss 212 is locked at and in annular mounting groove 140, just can completes whole fitting operation more afterwards.Like this, can make buried LED light fixture 10 install and keep in repair convenient and install after more firm.
In order further to strengthen the mechanical performance of radiator 200.For example, radiator 200 is for copper alloy is by the moulding of predetermined mold formed by integrally casting.And for example, radiator 200 is for aluminium alloy is by the moulding of predetermined mold formed by integrally casting.And for example, radiator 200 is for albronze is by the moulding of predetermined mold formed by integrally casting.Like this, can further strengthen the mechanical performance of radiator 200.Meanwhile, because the coefficient of heat conduction of copper can reach 401W/mK, the coefficient of heat conduction of aluminium can reach 240W/mK, and heat-conductive characteristic and heat dispersion are better, thereby can strengthen the heat dispersion of radiator 200.For example, radiator 200 is hollow cylindrical structure, and and for example, radiator 200 is hollow columnar structures.
Refer to Fig. 1 and Fig. 4, circuit module 300 is arranged in radiator body 210.Circuit module 300 comprises support 310, ballast 320, electric capacity 340 and trigger 330.Ballast 320, electric capacity 340 and trigger 330 are installed on support 310.
For example, support 310, for aluminium alloy is by the moulding of predetermined mold formed by integrally casting, like this, can strengthen the mechanical strength of support 310.
Refer to Fig. 4 and Fig. 5, lamp socket 400 is fixedly mounted on support 310, so that lamp socket 400 fixes with support 310.The two ends of lamp socket 400 all offer draw-in groove 410.For example, lamp socket 400 arranges heat transfer part, and its physical connection radiator 200 and close contact arrange a silicone grease layer at contact-making surface, can, directly by the heat of LED lamp, be dispersed into radiator in the mode of conducting like this, has good radiating effect.
Refer to Fig. 3 and Fig. 5, reflector 500 is arranged on opening 211 places of radiator body 210.For example, reflector 500 is arranged on annular boss 212.And for example, reflector 500 has a light-emitting window 530, and light-emitting window 530 is in the same plane with the opening 211 of radiator body 210.And for example, reflector 500 also has an installing port (not shown) relative with light-emitting window 530, and LED lamp (not shown) is arranged on lamp socket 400, and is positioned at the described installing port place of reflector 500.
For reflector 500 and lamp socket 400 are fixed more securely.For example, offer holddown groove 510 on reflector 500, fixture 600 wears holddown groove 510, and the two ends of fixture 600 are embedded at respectively in draw-in groove 410, thereby reflector 500 and lamp socket 400 are fixed more securely.For example, the two ends of fixture 600 all offer stopper slot, and described stopper slot is positioned at the junction of reflector 500 and lamp socket 400, and described stopper slot can further make reflector 500 and lamp socket 400 fix more securely.
The light beam sending for fear of LED lamp is too assembled and is dazzling, avoids buried LED light fixture 10 that glare phenomenon occurs.For example, refer to Fig. 6, reflector 500 arranges several circular arc reflective surfaces 520, and several circular arc reflective surface 520 rounding ofves form reflector 500, each circular arc reflective surface 520 of rounding off interconnects, for example, a certain cross section at reflector 500 forms wave or straight line or parabola etc., and, according to the principle of spheric reflection, after the light of LED lamp transmitting reflects by several circular arc reflective surfaces 520, can obtain more even, softer outgoing beam, like this, can avoid the problem of glare phenomenon, play the effect of vision protection health.
Refer to Fig. 5, barrier 700 is arranged on reflector 500, and barrier 700 comprises several grizzly bars 720 that spacer ring 710 and two ends are all connected with spacer ring 710 inner side places, between several grizzly bars 720, is provided with interval.Several grizzly bars 720 can increase the quantity of reflecting surface, and reflective surface area is large, and the light that LED lamp can be sent carries out multiple reflections, makes light softer, further reduces glare effect, plays anti-dazzle effect, useful to vision health.For example, barrier 700 is arranged on light-emitting window 530 places of reflector 500, and hides light-emitting window 530, thereby the light better LED lamp being sent reflects.For example, the outer surface of grizzly bar 720 arranges reflector layer (not shown), thereby the light better LED lamp being sent reflects, and in addition, can also improve the utilization rate of the emergent ray of LED lamp.
For example, the grizzly bar 720 of barrier 700 is cellular and is arranged in spacer ring 710, and cellular grizzly bar 720 can further be strengthened the level of diffusion of LED lamp emergent ray, and the light that LED lamp is penetrated becomes more comfortable soft, solves better glare problem.
Printing opacity face shield 800 covers on reflector 500, and is positioned at the side of barrier 700 away from reflector 500.For example, printing opacity face shield 800 buckles are fixed on reflector 500.For example, printing opacity face shield 800 is circular configuration, and and for example, printing opacity face shield 800 is square structure.
In order further to solve glare problem, for example, printing opacity face shield 800 is safety glass printing opacity face shield, and the light that LED lamp can be penetrated carries out diffuse reflection, so that the light that LED lamp penetrates becomes more evenly soft.Like this, can further reduce glare effect, play anti-dazzle effect, useful to vision health.Meanwhile, printing opacity face shield 800 also has stronger mechanical strength, can prevent that printing opacity face shield 800 from impacting rhegma because being subject to excessive stresses.
Refer to Fig. 1, black box 900 is around being arranged on printing opacity face shield 800.Black box 900 comprises sealing ring 910, cover 920 and cover plate 930.
Sealing ring 910 is around the edge that is arranged at printing opacity face shield 800, and with printing opacity face shield 800 close contacts, like this, can prevent that steam and dust from entering into the junction of printing opacity face shield 800 and reflector 500, thereby strengthen sealed waterproof effect.Refer to Fig. 7, sealing ring 910 is put several sealing strips 911 away from a side ring winding of printing opacity face shield 800, and sealing strip 911 distributes ringwise taking sealing ring 910 center as axis.
Cover 920 is around being arranged on sealing ring 910, and with sealing ring 910 close contacts so that sealing ring 910 is closely pressed together between cover 920 and printing opacity face shield 800, further to improve the waterproof sealing effect of sealing ring 910.Refer to Fig. 7, cover 920 offers near a side of sealing ring 910 seal groove 921 that several are corresponding with sealing strip 911, and sealing strip 911 is embedded in seal groove 921, thereby fixed seal ring 910 better prevents that sealing ring 910 is subjected to displacement.Meanwhile, sealed waterproof effect that also can enhanced leaktightness circle 910.
For example, sealing ring 910 and cover 920 are circular ring, to improve both suitabilities.And for example, be convexly equipped with some concentric annular portion on cover, when sealing ring 910 is closely pressed together between cover 920 and printing opacity face shield 800, at each ring part there is slight deformation in place, thereby in physical arrangement, obtain better sealing effectiveness, effectively waterproof.
For example, sealing ring 910 is rubber seal, utilizes the elastic deformation of rubber seal self, can make sealing ring 910 and cover 920 snugly tightr, thereby fixed seal ring 910 better prevents that sealing ring 910 is subjected to displacement.Meanwhile, sealed waterproof effect that also can enhanced leaktightness circle 910.
As shown in Figure 1, cover plate 930 is arranged on cover 920, for pressure holding cover 920, and then exerts pressure to sealing ring 910, so that sealing ring 910 fits between cover 920 and printing opacity face shield 800 more closely.
Above-mentioned black box 900 is by sealing ring 910 is set, and by cover 920 and cover plate 930 pressure holding sealing rings 910, sealing ring 910 fitted on printing opacity face shield 800 more closely, and sealed waterproof effect is better.
Above-mentioned buried LED light fixture 10 at least has the following advantages with respect to existing buried LED light fixture:
First, above-mentioned buried LED light fixture 10 dispels the heat by the radiating fin 230 that radiator 200 is set, and radiating effect is better.In addition, also at the two ends of radiator body 210, waterproof plug 220 and black box 900 are set respectively, can prevent that steam and dust from entering in radiator body 210, sealed waterproof effect is better.
Secondly; reflector 500 arranges several circular arc reflective surfaces 520; and several circular arc reflective surface 520 rounding ofves form reflector 500; each circular arc reflective surface 520 of rounding off interconnects; for example form wave or straight line or parabola etc. in a certain cross section of reflector 500; and; according to the principle of spheric reflection; after the light of LED lamp transmitting reflects by several circular arc reflective surfaces 520; can obtain more evenly, softer outgoing beam; like this, can avoid the problem of glare phenomenon, play the effect of vision protection health.
Finally, offer holddown groove 510 on reflector 500, fixture 600 wears holddown groove 510, and the two ends of fixture 600 are embedded at respectively in draw-in groove 410, thereby reflector 500 and lamp socket 400 are fixed more securely.
It is to be noted, other embodiment of the present invention also comprise, technical characterictic in the various embodiments described above mutually combines buried LED light fixture formed, that can implement, like this, can realize that radiating effect is better, sealed waterproof effect is better, installation and maintenance are convenient, avoid glare phenomenon, more buried LED light fixture of overall structure.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a buried LED light fixture, is characterized in that, comprises built-in fitting, radiator, lamp socket, circuit module, reflector, printing opacity face shield and black box;
Described radiator is contained in described built-in fitting, described radiator comprises that the waterproof plug that has the radiator body of an opening, be communicated with described radiator body and several are fixedly installed on the radiating fin in described radiator body outside, are provided with interval between radiating fin described in several;
Described circuit module is arranged in described radiator body;
Described lamp socket is contained in described radiator body;
Described reflector is arranged on described lamp socket, and is arranged on the described opening part of described radiator body;
Described printing opacity face shield covers on described reflector;
Described black box is around the edge that is arranged on described printing opacity face shield.
2. buried LED light fixture according to claim 1, is characterized in that, also comprises barrier, and described barrier is arranged between described reflector and described printing opacity face shield.
3. buried LED light fixture according to claim 2, is characterized in that, described barrier comprises several grizzly bars that spacer ring and two ends are all connected with described spacer ring inner side place, described in several, between grizzly bar, is provided with interval.
4. buried LED light fixture according to claim 3, is characterized in that, the outer surface of described grizzly bar arranges reflector layer.
5. buried LED light fixture according to claim 1, is characterized in that, described built-in fitting is hollow cylindrical structure.
6. buried LED light fixture according to claim 1, is characterized in that, described heat radiator body is hollow cylindrical structure.
7. buried LED light fixture according to claim 1, it is characterized in that, described black box comprises sealing ring, cover and cover plate, described sealing ring is around the edge that is arranged at described printing opacity face shield, and with described printing opacity face shield close contact, described cover is around being arranged on described sealing ring, and described cover plate is arranged on described cover, and described sealing ring is pressed between described cover and described printing opacity face shield.
8. buried LED light fixture according to claim 1, it is characterized in that, also comprise fixture, on described reflector, offer holddown groove, on described lamp socket, offer draw-in groove, described fixture wears described holddown groove, and the two ends of described fixture are embedded at respectively in described draw-in groove, so that reflector and described lamp socket fix.
9. buried LED light fixture according to claim 1, described circuit module comprises, support, ballast, electric capacity and trigger, described ballast, described electric capacity and described trigger are installed on described support.
10. according to the arbitrary described buried LED light fixture of claim 1 to 9, it is characterized in that, described printing opacity face shield is safety glass printing opacity face shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348566.3A CN104089225B (en) | 2014-07-21 | 2014-07-21 | Buried LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410348566.3A CN104089225B (en) | 2014-07-21 | 2014-07-21 | Buried LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089225A true CN104089225A (en) | 2014-10-08 |
| CN104089225B CN104089225B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410348566.3A Active CN104089225B (en) | 2014-07-21 | 2014-07-21 | Buried LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089225B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106051598A (en) * | 2016-06-23 | 2016-10-26 | 海宁瑞鑫照明有限公司 | Solar buried light |
| CN109882774A (en) * | 2019-01-30 | 2019-06-14 | 界首市迅立达电梯有限公司 | A kind of sports field floor-lamp |
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| CN103398346A (en) * | 2013-08-21 | 2013-11-20 | 周锐 | LED underground lamp |
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| CN102144122A (en) * | 2008-09-08 | 2011-08-03 | Lsi工业公司 | Externally orientable LED inground light |
| CN201652080U (en) * | 2010-02-08 | 2010-11-24 | 宁波市爱使电器有限公司 | Underground lamp with convenient installation |
| CN202125842U (en) * | 2011-07-15 | 2012-01-25 | 惠州雷士光电科技有限公司 | Underground lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106051598A (en) * | 2016-06-23 | 2016-10-26 | 海宁瑞鑫照明有限公司 | Solar buried light |
| CN106051598B (en) * | 2016-06-23 | 2018-08-28 | 海宁隽辉照明有限公司 | Solar energy underground lamp |
| CN109882774A (en) * | 2019-01-30 | 2019-06-14 | 界首市迅立达电梯有限公司 | A kind of sports field floor-lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104089225B (en) | 2016-07-06 |
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