CN109827128A - A kind of blackboard lights - Google Patents
A kind of blackboard lights Download PDFInfo
- Publication number
- CN109827128A CN109827128A CN201910054688.4A CN201910054688A CN109827128A CN 109827128 A CN109827128 A CN 109827128A CN 201910054688 A CN201910054688 A CN 201910054688A CN 109827128 A CN109827128 A CN 109827128A
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- light source
- hole
- side frame
- blackboard lights
- plate
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Abstract
The invention discloses a kind of blackboard lights, which includes light source section material framework and the guide-lighting section bar support on light source section material framework；Light source section material framework includes light source bracket, the first side frame and the second side frame, the opposite sides of light source bracket is arranged in first side frame and second side frame, to enclose the container constituted for assembling light source with light source bracket, on the opening direction of container, first side frame connect with guide-lighting section bar support by the slidable fit connection structure of interworking, so that the light out of leaded light section bar support reflection source in particular directions.Blackboard lights can be improved to the irradiated area of blackboard in the present invention.
Description
Technical field
The present invention relates to the technical fields of blackboard lights, more particularly to a kind of blackboard lights.
Background technique
Lamps and lanterns are in being widely used in each school, usually at nightfall or the starting of darkness time-division is shinny, at dawn
Preceding extinguishing.
Popular to be known as blackboard lights now with the illuminator specifically for blackboard, blackboard lights can shine blackboard
Bright, so that student can be clearly seen that the information on blackboard, but blackboard lights can not illuminate entire blackboard at present.
Summary of the invention
The present invention provides a kind of blackboard lights against the above technical problems, to improve blackboard lights to the irradiated area of blackboard.
One technical scheme adopted by the invention is that: a kind of blackboard lights are provided, the blackboard lights include light source section material framework and
Guide-lighting section bar support on light source section material framework；Light source section material framework includes light source bracket, the first side frame and second side
The opposite sides of light source bracket is arranged in frame, the first side frame and second side frame, to be constituted with light source bracket enclosing for assembling light
The container in source, on the opening direction of container, the first side frame is connected with guide-lighting section bar support by the slidable fit of interworking
Structure connection, so that reflection source goes out light to guide-lighting section bar support in particular directions.
The beneficial effects of the present invention are: being in contrast to the prior art, blackboard lights are can be improved to blackboard in the present invention
Irradiated area.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, required in being described below to embodiment
The attached drawing used is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings, in which:
Fig. 1 is the decomposition texture schematic diagram of an embodiment of blackboard lights provided by the present application；
Fig. 2 is the partial enlargement structural representation of a-quadrant in the application Fig. 1；
Fig. 3 is the assembling structure schematic diagram of an embodiment of blackboard lights provided by the present application；
Fig. 4 is the schematic cross-section in the application Fig. 3 on IV-IV direction；
Fig. 5 is the structural schematic diagram of an embodiment of light source section material framework provided by the present application；
Fig. 6 is the structural schematic diagram of an embodiment of guide-lighting section bar support provided by the present application；
Fig. 7 is the structural schematic diagram of another embodiment of guide-lighting section bar support provided by the present application；
Fig. 8 is the structural schematic diagram of an embodiment of fixed frame provided by the present application；
Fig. 9 is the partial enlargement structural representation of B area in the application Fig. 3；
Figure 10 is the structural schematic diagram of an embodiment of end cap provided by the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.It is understood that described herein, the specific embodiments are only for explaining the present invention, rather than to of the invention
It limits.It also should be noted that only the parts related to the present invention are shown for ease of description, in attached drawing rather than it is complete
Portion's structure.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Term " first ", " second " in the present invention are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be with
Explicitly or implicitly include at least one this feature.In description of the invention, the meaning of " plurality " is at least two, such as
Two, three etc., unless otherwise specifically defined.(such as above and below, institute is directional in the embodiment of the present invention indicates
Left, right, front and rear ...) it is only used for explaining in the relative position under a certain particular pose (as shown in the picture) between each component
Relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.This
Outside, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as contain one
The process, method, system, product or equipment of series of steps or component are not limited to listed step or component, but
Optionally further comprising the step of not listing or component, or optionally further comprising for these process, methods, product or equipment
Intrinsic other steps or component.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.The phrase, which occurs, in each position in the description might not each mean phase
Same embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicitly
Implicitly understand, embodiment described herein can be combined with other embodiments.
Fig. 1 is the decomposition texture schematic diagram of an embodiment of blackboard lights provided by the present application, Fig. 2 referring to FIG. 1 to FIG. 4,
It is the partial enlargement structural representation of a-quadrant in the application Fig. 1, Fig. 3 is the dress of an embodiment of blackboard lights provided by the present application
Distribution structure schematic diagram, Fig. 4 are the schematic cross-sections in the application Fig. 3 on IV-IV direction.
The blackboard lights of the application may include light source 10, lampshade 20, light source section material framework 30, guide-lighting section bar support 40, electricity
Source 50 (as shown in Figure 4), end cap 60 and fixed frame 70.
Light source 10 and lampshade 20 are fixed on light source section material framework 30, and lampshade 20 is located on light source 10, to change light
The light-emitting angle in source 10.Light source section material framework 30 and guide-lighting section bar support 40 are profile structure, light source section material framework 30 and are led
It is provided with the slidable fit connection structure of interworking between light section bar support 40, guide-lighting section bar support 40 is from light source section material framework 30
Forming direction on slide fit on light source section material framework 30, with going out on light to blackboard for reflection source 10 in particular directions, increase
Blacken the brightness of plate.
It is found in the early-stage study of the applicant, the reason of blackboard lights can not illuminate entire blackboard is that blackboard lights are led
Light can not improve the size of blackboard lights light guide partly because the reason of being limited to mold.Therefore, the applicant is by light source
Section material framework 30 and guide-lighting section bar support 40, which separate, individually uses Mold Making, and guide-lighting section bar support 40 can be according to blackboard reality
Size properly increases its guide-lighting area, to improve blackboard lights to the irradiated area of blackboard.
Power supply 50 and light source 10 are electrically connected, and to provide electricity for light source 10, power supply 50 can be placed on light source frame of section bar
In frame 30, power supply 50 can also be placed in guide-lighting section bar support 40.
Two beginnings of end cap 60 while enclosed light source section material framework 30 and guide-lighting section bar support 40, fixing screws pass through
End cap 60 cooperates with light source section material framework 30, guide-lighting section bar support 40 respectively, so that end cap 60 be made to be fixed on light source section material framework
30, on guide-lighting section bar support 40, and then light source section material framework 30 and guide-lighting section bar support 40 is made to be fixed to each other, certainly, light source type
It can also be cooperated by fixing screws between material frame 30 and guide-lighting section bar support 40 and be fixed together.Fixed frame 70 and light source
Section material framework 30 connects, and blackboard lights are fixed on metope or ceiling.
It is to be understood that profile refer to raw material by squeezing, the process plastics such as rolling or casting are processed into and have
The part of identical section configuration.It is golden that the material of light source section material framework 30 and guide-lighting section bar support 40 can be aluminium, iron or steel etc.
Belong to material, light source section material framework 30 and the material of guide-lighting section bar support 40 are also possible to PC, PVC, PE, ABS or PP plastics material
Matter.
Fig. 1 to Fig. 5 is please referred to, Fig. 5 is the structural representation of an embodiment of light source section material framework 30 provided by the present application
Figure.
Light source section material framework 30 includes light source bracket 31, the first side frame 32 and the second side frame 33, the first side frame 32 and second
The opposite sides of light source bracket 31 is arranged in side frame 33, to be constituted container 34, light source 10 and lampshade with the enclosing of light source bracket 31
20 are placed in the container 34.The opposite sides of light source bracket 31 is sequentially formed with identical as the opening direction of container 34
The first mounting groove 311 and the second mounting groove 312, the first mounting groove 311 and the second mounting groove 312 are respectively used in container
Locking for fixing screws is received on 34 opening direction.Fixing screws pass through light source 10 and the cooperation of the first mounting groove 311 with by light
Source 10 is fixed, and fixing screws pass through lampshade 20 and the second mounting groove 312 cooperates so that lampshade 20 is fixed.
Light source bracket 31 forms limit plate 313, the bottom of limit plate 313 and container 34 in the bottom projection of container 34
Portion forms the groove being embedded in container 34, and light source 10 can abut limit plate 313 when placing into accommodation groove, to make
Light source 10 is in the bottom for guiding to effect and being snapped down to accommodation groove of limit plate 313.
Specifically, light source 10 includes aluminum substrate 11 and the lamp bead 12 being arranged in the main surface of aluminum substrate 11, aluminum substrate 11
Opposite sides face be connected to limit plate 313 to realize the purpose that limit to light source 10, fixing screws are across aluminum substrate 11 and the
One mounting groove 311 cooperation, to complete the fixation to light source 10.
On the opening direction of container 34, it can be set on the surface of the first side frame 32 L-shaped or T-shaped
Hanging platform 321,40 slide fit of hanging platform 321 and guide-lighting section bar support, certainly L-shaped or T-shaped hanging platform 321 also can be set
On guide-lighting section bar support 40, with 32 slide fit of the first side frame.
On the opening opposite direction of container 34, the upper surface of the upper surface of the first side frame 32 and/or the second side frame 33
It is provided with third mounting groove 322.The words includes three kinds of situations, and the upper surface of 1 first side frame 32 is provided with third mounting groove
322, the upper surface of the second side frame 33 is not provided with third mounting groove 322；The upper surface of 2 second side frames 33 is provided with third peace
The upper surface of tankage 322, the first side frame 32 is not provided with third mounting groove 322；The upper surface of first side frame 32 and the second side frame
33 upper surface is respectively arranged with third mounting groove 322.Third mounting groove 322 can be in the opening side of third mounting groove 322
Locking for fixing screws is received upwards, and the fixed frame 70 of blackboard lights is fixed on light source section material framework 30.
Optionally, on the opening opposite direction of container 34, the upper table of the upper surface of the first side frame 32 and the second side frame 33
Face is respectively arranged with sliding slot 323, and the edge of fixed frame 70 is plugged in sliding slot 323, so that fixed frame 70 can along the chute 323
Sliding, so as to adjust the position of fixed frame 70 according to actual installation environment.The opening direction of sliding slot 323 and the receipts
The opening direction of tank 34 is vertical, and then fixed frame 70 can be abutted when lifting blackboard lights with the medial surface of sliding slot 323, from
And improve the load-bearing capacity of light source section material framework 30.
The side away from container 34 of light source bracket 31 offers first through hole 314, and the first side frame 32 is provided with second
Through-hole 324, the second side frame 33 offer third through-hole 331, and first through hole 314, the second through-hole 324, third through-hole 331 are not only
Heat dissipation channel is provided for light source section material framework 30, and also reduces the overall weight of light source type material frame 30, power supply 50 can
To be placed on first through hole 314, the second through-hole 324, in any hole in third through-hole 331.Because the first side frame 32 will with lead
40 slide fit of light section bar support, the second side frame of ratio 33 that the first side frame 32 can be done is big, to play guide-lighting effect to light source 10,
The ratio first through hole 314 that can do to the size of the second through-hole 324, third through-hole 331 are big, and the second through-hole 324 can accommodate
Bigger power supply 50.
Optionally, first through hole 314, the second through-hole 324, third through-hole 331 successively completely cut off, for completely cutting off first through hole
314, the second through-hole 324, third through-hole 331 plate body hollow light source section material framework 30 is divided into multiple small cubes, thus
Improve the overall structural strength of light source section material framework 30.Secondly, setting can be to avoid first through hole 314, the second through-hole in this way
324 or third through-hole 331 in heat transmit mutually, and the normal use of other components is influenced, for example, first is logical
When heat transfer in hole 314 is into the second through-hole 324, the normal work of power supply 50 is influenced whether.
Conducting wire (not showing on figure) is successively connect with light source 10, power supply 50, and is pierced by and is entered the market from first through hole 314
In electricity.On the opening opposite direction of container 34, the upper surface of light source bracket 31 forms deep gouge to the recess of first through hole 314
315, to allow conducting wire to pass through.
Fig. 1 to Fig. 6 is please referred to, Fig. 6 is the structural representation of an embodiment of guide-lighting section bar support 40 provided by the present application
Figure.
Guide-lighting section bar support 40 includes sequentially connected light guide plate 41, outside plate 42 and upper frame 43, light guide plate 41, outside plate 42
It encloses to set jointly with upper frame 43 to form heat dissipation channel, 321 slide fit of hanging platform on upper frame 43 and the first side frame 32.Light guide plate 41 is used for
Reflect blackboard lights in particular directions goes out light, and illumination is mapped to light guide plate 41, and the part energy of light is absorbed by light guide plate 41,
To which temperature increases, light guide plate 41 passes through the heat on the quick diffusing light guiding plate 41 of heat dissipation channel.It can be smeared on light guide plate 41
Reflectorized material can not also smear reflectorized material on light guide plate 41, and carried out by itself it is reflective, it is not limited here.
Optionally, light guide plate 41 and outside plate 42 are gradually tapered up on the direction far from upper frame 43 and are drawn close, with formed V-arrangement or
Person's approximation V-arrangement, to allow the light that goes out of light source 10 to be irradiated to greater area of blackboard under the reflex of light guide plate 41.
Light guide plate 41 is formed with wave structure, and light guide plate 41 is divided into reflecting surface one by one by wave structure,
So that the light that goes out of light source 10 more accurate can be reflected into specified location by light guide plate 41.
Guide-lighting section bar support 40 further includes dilatation plate 44, and dilatation plate 44 and upper frame 43 are opposite, and light guide plate 41 and outside plate 42 are logical
The connection of dilatation plate 44 is crossed, to increase the volume of heat dissipation channel.
Guide-lighting section bar support 40 further includes demarcation plate 45, and demarcation plate 45 is accommodated in heat dissipation channel, and demarcation plate 45 is distinguished
It is connect with light guide plate 41 and outside plate 42, heat dissipation channel is divided into two parts isolated from one another by demarcation plate 45, to improve light-conducting type
The integral strength of material bracket 40.
In implementing one, upper frame 43 may include top plate 431 and snap-gauge 432, and top plate 431 is towards heat dissipation channel concave shape
At through slot, two edges of the opening of through slot are arranged in snap-gauge 432, and extend towards, the extension of snap-gauge 432 and the first side frame 32
321 slide fit of platform.
As shown in fig. 7, in another embodiment, upper frame 43 also includes top plate 431 and slide unit 433, light guide plate 41 and outside plate
42 are linked together by top plate 431, and slide unit 433 is L-shaped, and slide unit 433 is arranged on the top surface of upper frame 43, slide unit 433 and the
321 slide fit of hanging platform of one side frame 32.
Fig. 3, Fig. 5, Fig. 8 and Fig. 9 are please referred to, Fig. 8 is the structural representation of an embodiment of fixed frame 70 provided by the present application
Figure, Fig. 9 is the partial enlargement structural representation of B area in the application Fig. 3.
Fixed frame 70 includes cylinder 71 and the fixed plate 72 that 71 two sides of cylinder are arranged in, 71 two sides of cylinder 71 and cylinder
Fixed plate 72 is enclosed jointly to be set to form v-shaped structure, and fixing screws pass through fixed plate 72 and third mounting groove 322 cooperates, fixed plate 72
Edge further extend and be inserted in sliding slot 323.
Blackboard lights further include mounting rack 80 and sunpender 90, and fixed frame 70, mounting rack 80 and sunpender 90 are sequentially connected, sunpender
90 with metope and ceiling for connecting, and on the same central axes, mounting rack 80 is arranged angled for mounting rack 80 and sunpender 90
Numerical value 81.
Optionally, cylinder 71 is provided with circular hole 711, and fixing screws pass through mounting rack 80 and circular hole 711 cooperates, and will pacify
Shelve 80 and fixed frame 70 link together.In research and development early period of this blackboard lights, it has been found that because on mounting rack 80
Setting angular values 81 are arc-shaped arrangement, when forming protrusion 713 directly on the lateral surface of cylinder 71,713 meeting pair of protrusion
Angular values 81 play the role of blocking, to influence the normal reading of user.Therefore, applicant is by the outside of cylinder 71
Face has dug pointer slot 712, so that cylinder 71 forms local protrusion 713, local protrusion 713 plays the role of pointer,
The specific location of angular values 81 is arrived in 713 instruction of protrusion, so that it may determine the state of light source section material framework 30, to facilitate and
When blackboard lights are adjusted.For example, the angular values 81 of protrusion 713 instruction to mounting rack 80 are specified numerical value (such as zero)
When, indicate that light source section material framework 30 is in horizontality.
Fig. 2, Fig. 4 and Figure 10 are please referred to, Figure 10 is the structural schematic diagram of an embodiment of end cap 60 provided by the present application.
End cap 60 may include bottom plate 61, abut plate 62 and plugboard 63, abuts plate 62 and plugboard 63 is separately positioned on
On bottom plate 61.Outer end face contact of the plate 62 respectively with light source section material framework 30 and guide-lighting section bar support 40 is abutted, plugboard 63 is inserted
Into light source section material framework 30 and/or guide-lighting section bar support 40, and with corresponding light source section material framework 30 and leaded light profile branch
The medial surface of frame 40 abuts, to realize the purpose limited to end cap 60.Specifically, abut plate 62 respectively with first through hole 314,
The outer end face of second through-hole 324 and third through-hole 331 abuts, and plugboard 63 is inserted to first through hole 314, the second through-hole 324 and the
In at least one in three through-holes 331, and with the medial surface of corresponding first through hole 314, the second through-hole 324 and third through-hole 331
It abuts.
It abuts plate 62 and forms jagged 64 at the outer end face of corresponding first through hole 314, to allow conducting wire to pass through.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, similarly include in the scope of patent protection of the application.
Claims (10)
1. a kind of blackboard lights, which is characterized in that the blackboard lights include: light source section material framework and be set to the light source section material framework
On guide-lighting section bar support；
The light source section material framework includes light source bracket, the first side frame and the second side frame, first side frame and described second side
The opposite sides of the light source bracket is arranged in frame, to enclose the container constituted for assembling light source with the light source bracket,
On the opening direction of the container, first side frame is connected with the guide-lighting section bar support by the slidable fit of interworking
Structure connection, so that the leaded light section bar support reflects the light out of the light source in particular directions.
2. blackboard lights according to claim 1, which is characterized in that the blackboard lights further include the light source and lid set it is described
The lampshade of light source, the opposite sides of the light source bracket are sequentially formed with the first peace identical with the opening direction of the container
Tankage and the second mounting groove, fixing screws pass through the light source and first peace on the opening direction of first mounting groove
Tankage cooperation, the light source is fixed on the light source bracket, opening direction of the fixing screws in second mounting groove
On cooperate across the lampshade and second mounting groove, the lampshade is fixed on the light source bracket.
3. blackboard lights according to claim 2, which is characterized in that the light source includes aluminum substrate and is arranged in the aluminium base
Lamp bead in the main surface of plate, the light source bracket form limit plate in the bottom projection of the container, the aluminum substrate
Opposite sides face be connected to the limit plate with realize to the light source limit purpose, fixing screws pass through the aluminum substrate with
The first mounting groove cooperation.
4. blackboard lights according to claim 1, which is characterized in that the blackboard lights further include fixed frame, in the receiving
On the opening opposite direction of slot, the upper surface of the upper surface of first side frame and/or second side frame is provided with third peace
Tankage, fixing screws pass through the fixed frame on the opening direction of the third mounting groove and the third mounting groove cooperates,
The fixed frame to be fixed on the light source section material framework.
5. blackboard lights according to claim 4, which is characterized in that on the opening opposite direction of the container, described
The upper surface of one side frame and the upper surface of second side frame are respectively arranged with sliding slot, the opening direction of the sliding slot and the receipts
The opening direction of tank is vertical, and the edge grafting of the fixed frame enters the sliding slot and slides along the sliding slot.
6. blackboard lights according to claim 2, which is characterized in that the blackboard lights further include power supply, the light source bracket
It is provided with first through hole, first side frame is provided with the second through-hole with first through hole isolation, and the power supply is placed on
In second through-hole, conducting wire is successively connect with the light source, the power supply, and is pierced by from the first through hole.
7. blackboard lights according to claim 6, which is characterized in that second side frame offers third through-hole, and described
Three through-holes and the first through hole completely cut off, and the third through-hole is used to mitigate the weight of the light source section material framework.
8. blackboard lights according to claim 7, which is characterized in that the blackboard lights further include close the first through hole,
The end cap of second through-hole and the third through-hole；The end cap includes bottom plate, abuts plate and plugboard, the abuttings plate with
The plugboard is separately positioned on the bottom plate, the abutting plate respectively with the first through hole, second through-hole and institute
The outer end face for stating third through-hole abuts, and the plugboard is inserted to the first through hole, second through-hole and the third through-hole
In at least one, and abutted with the medial surface of the corresponding first through hole, second through-hole or the third through-hole.
9. blackboard lights according to claim 8, which is characterized in that the abutting plate is in the outer end of the correspondence first through hole
Formed at face it is jagged, to allow the conducting wire to pass through.
10. blackboard lights according to claim 1, which is characterized in that the sequentially connected light guide plate of the leaded light section bar support,
Outside plate and upper frame, the light guide plate, the outside plate and the upper frame enclose jointly to be set to form heat dissipation channel, the upper frame and described the
One side frame slide fit, so that the light guide plate reflects the light out of the light source in particular directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054688.4A CN109827128A (en) | 2019-01-21 | 2019-01-21 | A kind of blackboard lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054688.4A CN109827128A (en) | 2019-01-21 | 2019-01-21 | A kind of blackboard lights |
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| Publication Number | Publication Date |
|---|---|
| CN109827128A true CN109827128A (en) | 2019-05-31 |
Family
ID=66860438
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910054688.4A Pending CN109827128A (en) | 2019-01-21 | 2019-01-21 | A kind of blackboard lights |
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Citations (6)
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| KR200261004Y1 (en) * | 2001-10-22 | 2002-01-17 | 정승문 | A type of fluorescent light for suspend on ceiling with fit structure |
| KR101274145B1 (en) * | 2012-02-21 | 2013-06-13 | 주식회사엘이디파워 | Lighting apparatus for blackboard |
| CN206695069U (en) * | 2017-03-23 | 2017-12-01 | 东莞市百分百科技有限公司 | A kind of blackboard lights of the adjustable light uniformity |
| CN207584564U (en) * | 2017-11-03 | 2018-07-06 | 广州市莱帝亚照明股份有限公司 | A kind of blackboard lights |
| CN109237351A (en) * | 2018-09-05 | 2019-01-18 | 深圳市超频三科技股份有限公司 | A kind of lamps and lanterns |
| CN209415295U (en) * | 2019-01-21 | 2019-09-20 | 深圳市超频三科技股份有限公司 | A kind of blackboard lights |
-
2019
- 2019-01-21 CN CN201910054688.4A patent/CN109827128A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200261004Y1 (en) * | 2001-10-22 | 2002-01-17 | 정승문 | A type of fluorescent light for suspend on ceiling with fit structure |
| KR101274145B1 (en) * | 2012-02-21 | 2013-06-13 | 주식회사엘이디파워 | Lighting apparatus for blackboard |
| CN206695069U (en) * | 2017-03-23 | 2017-12-01 | 东莞市百分百科技有限公司 | A kind of blackboard lights of the adjustable light uniformity |
| CN207584564U (en) * | 2017-11-03 | 2018-07-06 | 广州市莱帝亚照明股份有限公司 | A kind of blackboard lights |
| CN109237351A (en) * | 2018-09-05 | 2019-01-18 | 深圳市超频三科技股份有限公司 | A kind of lamps and lanterns |
| CN209415295U (en) * | 2019-01-21 | 2019-09-20 | 深圳市超频三科技股份有限公司 | A kind of blackboard lights |
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