CN209415256U - Blackboard lights and its lamp casing - Google Patents

Abstract

The utility model discloses a kind of blackboard lights and its lamp casings, the lamp casing includes: lifting substrate, the first buck plate and the second buck plate, first buck plate and the second buck plate are connect with lifting substrate, first buck plate is equipped with first sliding groove, second buck plate is equipped with second sliding slot, and first sliding groove and second sliding slot constitute the light source substrate fitting groove that opposite lifting substrate is integrally inclined to set.The light source substrate fitting groove being integrally inclined to set by forming opposite lifting substrate on lamp casing, after lifting substrate level is fixed, the emergent light for the light source assembly being mounted in light source substrate fitting groove inclined can be incident in blackboard region, on the one hand can be by adjusting the tilt angle of light source substrate fitting groove to control the direction of the emergent light of blackboard lights；On the other hand, since the emergent light integrated distribution of light source assembly is in blackboard region, it can also be improved the light utilization efficiency of blackboard lights.

Description

Blackboard lights and its lamp casing

Technical field

The utility model relates to field of light fittings, and in particular to a kind of blackboard lights and its lamp casing.

Background technique

Application of the blackboard in education activities is very universal, can be for teacher's writing and teaching content.When blackboard is in certain Under the bad environment of light, often using the brightness for increasing blackboard to blackboard lights.Traditional blackboard lights typically just use Two fluorescent tubes, the fluorescent tube are mounted on the top of blackboard, are in the same plane with blackboard, and blackboard lights are on blackboard Relatively closely, apart from blackboard lower section farther out, so that the illumination of blackboard surface from top to bottom gradually decays, this allows for blackboard lights presence for side Direction controllability is not strong and the relatively low disadvantage of light utilization efficiency.

Utility model content

The utility model provides a kind of blackboard lights and its lamp casing, and the direction controllability to solve blackboard lights is not strong and light The relatively low technical problem of utilization rate.

In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of lamp casing, institute Stating lamp casing includes: lifting substrate, the first buck plate and the second buck plate, and first buck plate and described second are assembled Plate is connect with the lifting substrate, and first buck plate is equipped with first sliding groove, and second buck plate is equipped with second sliding slot, institute It states first sliding groove and the second sliding slot constitutes the light source substrate fitting groove that the relatively described lifting substrate is integrally inclined to set.

Optionally, it is also formed with third sliding slot on first buck plate, is also formed with the 4th on second buck plate Sliding slot, the third sliding slot and the 4th sliding slot form lens arrangement slot, and the lens arrangement slot and the light source substrate fill Slot allocation parallel interval.

Optionally, first buck plate includes sequentially connected first plate body, the second plate body and third plate body, described First plate body is connect with the lifting substrate, and the connection of first plate body Yu second plate body is arranged in the first sliding groove The junction of second plate body and the third plate body is arranged in place, the third sliding slot.

Optionally, second buck plate includes the 4th plate body and the 5th plate body, the 4th plate body and the lifting base The junction of the 4th plate body and the 5th plate body, the 4th sliding slot setting is arranged in plate connection, the second sliding slot In the end of the 5th plate body far from the 4th plate body.

Optionally, the height of first plate body is greater than the height of the 4th plate body.

Optionally, second plate body and the 5th plate body are set along the symmetrical axial symmetry of the light source substrate fitting groove It sets.

Optionally, the lamp casing further includes the first connecting plate, and first connecting plate is assembled with described first respectively Plate is connected with second buck plate, and first connecting plate is arranged in the light source substrate fitting groove and the lifting substrate Between.

Optionally, the lamp casing further includes the first arc panel and the second arc panel, and first arc panel is for connecting Connect the first end of the lifting substrate and the end far from the lifting substrate of first buck plate, second arc panel For connecting the second end of the lifting substrate and the end far from the lifting substrate of second buck plate, and described hang Dress substrate, first buck plate and first arc panel enclose the accommodating cavity for setting and being formed for accommodating power module.

Optionally, first arc panel further includes the first hook portion, and first hook portion protrudes from the lifting base The surface of plate；Second arc panel further includes the second hook portion, and second hook portion protrudes from the table of the lifting substrate Face, and first hook portion and second hook portion bend to direction close to each other and extend.

In order to solve the above technical problems, another technical solution that the utility model uses is: providing a kind of blackboard lights, institute Stating blackboard lights includes light source assembly, power module and lamp casing as previously described, and the light source assembly is installed on described In light source substrate fitting groove, the power module is fixed in the lamp casing, and is electrically connected with the light source assembly, is used for For light source assembly power supply.

The beneficial effects of the utility model are: the utility model is whole by forming opposite lifting substrate on lamp casing The light source substrate fitting groove being inclined to set, when lift substrate level it is fixed after, the light source that is mounted in light source substrate fitting groove The emergent light of component inclined can be incident in blackboard region, on the one hand can pass through the inclination of adjusting light source substrate fitting groove Angle is to control the direction of the emergent light of blackboard lights；On the other hand, since the emergent light integrated distribution of light source assembly is in blackboard area Domain can also be improved the light utilization efficiency of blackboard lights.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the schematic perspective view of the blackboard lights in an embodiment of the present invention；

Fig. 2 is the decomposition texture schematic diagram of blackboard lights in Fig. 1；

Fig. 3 is the use state diagram of the blackboard lights in an embodiment of the present invention；

Fig. 4 is the planar structure schematic diagram of the lamp casing in an embodiment of the present invention；

Fig. 5 is the decomposition texture schematic diagram of the light source assembly in an embodiment of the present invention；

Fig. 6 is the planar structure schematic diagram of the optical lens in Fig. 5；

Fig. 7 is the partial structural diagram of the blackboard lights in Fig. 3；

Fig. 8 is the exploded structural schematic diagram of the hanger in Fig. 1.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 is the schematic perspective view of the blackboard lights in an embodiment of the present invention, Fig. 2 referring to FIG. 1 to FIG. 4, It is the decomposition texture schematic diagram of blackboard lights in Fig. 1, Fig. 3 is the use state signal of the blackboard lights in an embodiment of the present invention Figure, Fig. 4 is the planar structure schematic diagram of the lamp casing in an embodiment of the present invention.

The utility model provides a kind of blackboard lights 100, the blackboard lights 100 include lamp casing 10, light source assembly 20 and End cap 30.Wherein, lamp casing 10 includes lifting substrate 12, the first buck plate 14 and the second buck plate 16, the first buck plate 14 and second buck plate 16 connect with lifting substrate 12, equipped with first sliding groove 141, the second buck plate 16 is equipped with the first buck plate 14 Second sliding slot 161, first sliding groove 141 and second sliding slot 161 constitute the light source base that opposite lifting substrate 12 is integrally inclined to set Plate fitting groove 15, light source assembly 20 are placed in light source substrate fitting groove 15, and end cap 30 is arranged in 10 length direction of lamp casing Both ends, be used for seal light source substrate fitting groove 15.

So in the present embodiment, by being formed on lamp casing 10, opposite lifting substrate 12 is whole to be inclined to set Light source substrate fitting groove 15, and light source assembly 20 is arranged in light source substrate fitting groove 15, when lifting substrate 12 is horizontal solid After fixed, the emergent light of light source assembly 20 inclined can be incident in blackboard region, on the one hand can be by adjusting light source substrate The tilt angle of fitting groove 15 is to control the direction of the emergent light of blackboard lights 100；On the other hand, due to the outgoing of light source assembly 20 Light integrated distribution can also be improved the light utilization efficiency of blackboard lights 100 in blackboard region.

Specifically, in the present embodiment, lamp casing 10 is the manufacture craft letter as made from aluminium alloy extruded molding It is single, and help to radiate.In the present embodiment, as shown in figure 4, lifting substrate 12 is a level board, by that will lift substrate 12 Being arranged to level board can make processing technology simpler, and structural stability is more preferable.

In other embodiments, lifting substrate 12 or curved slab, or can also be spliced by multiple surface plates and At.The utility model embodiment does not limit the structure of lifting substrate 12 specifically.

Further, in this embodiment, the first buck plate 14 is connected to the near middle of lifting substrate 12, the second buck plate 16 are connected to one end of lifting substrate 12.

Wherein, the first buck plate 14 includes sequentially connected first plate body 142, the second plate body 143 and third plate body 144, the first plate body 142 is connect with lifting substrate 12, and the company of the first plate body 142 and the second plate body 143 is arranged in first sliding groove 141 Meet place.Second buck plate 16 includes the 4th plate body 162 and the 5th plate body 163, and the 4th plate body 162 is connect with lifting substrate 12, the The junction of the 4th plate body 162 and the 5th plate body 163 is arranged in two sliding slots 161.

Further, the height of the first plate body 142 is greater than the height of the 4th plate body 162, so that first sliding groove 141 and the Two sliding slots 161 are formed by the opposite lifting substrate 12 of light source substrate fitting groove 15 and tilt.

Specifically, as shown in figure 4, on the cross section vertical with 10 length direction of lamp casing, the height of the first plate body 142 Degree is d1, and the height of the 4th plate body 162 is d2, the height of the first plate body 142 be greater than height, that is, d1 of the 4th plate body 162 > d2.First sliding groove 141 is formed in the junction of the first plate body 142 and the second plate body 143, and second sliding slot 161 is formed in the 4th plate The junction of body 162 and the 5th plate body 163, so that the distance of the opposite lifting substrate 12 of first sliding groove 141 is greater than second sliding slot 161 The distance of opposite lifting substrate 12, so that light source substrate fitting groove 15 is tilted to the direction close to the second buck plate 16.

Optionally, the second plate body 143 and the 5th plate body 163 are symmetrical arranged along the symmetry axis of light source substrate fitting groove 15.

Specifically, as shown in figure 4, first sliding groove 141 and second sliding slot 161 are symmetrical about symmetry axis I-I, the second plate body 143 and the 5th plate body 163 it is also symmetrical about symmetry axis I-I, in order to which light source assembly 20 is symmetrically mounted on light source substrate fitting groove In 15, so that uniform in light emission.

Further, end and fiveth plate body 163 of second plate body 143 far from the first plate body 142 are far from the 4th plate body 162 End extend in the direction away from each other, to form the lens arrangement chamber 17 of flared.

Wherein, it as shown in figure 4, being also formed with third sliding slot 145 on the first buck plate 14, is also formed on the second buck plate 16 There is the 4th sliding slot 165, lens arrangement slot 18 is collectively formed in third sliding slot 145 and the 4th sliding slot 165, the lens arrangement slot 18 and light 15 parallel interval of source substrate fitting groove setting, for assembling optical lens.

Specifically, third sliding slot 145 is formed in the junction of the second plate body 143 and third plate body 144, the 4th sliding slot 165 It is formed in the 5th end of the plate body 163 far from the 4th plate body 162.Wherein, third sliding slot 145 is parallel to each other with first sliding groove 141, 4th sliding slot 165 is parallel to each other with second sliding slot 161, so that the lens arrangement that third sliding slot 145 and the 4th sliding slot 165 are formed The light source substrate fitting groove 15 that slot 18 is formed with first sliding groove 141 and second sliding slot 161 is parallel to each other.

Further, lamp casing 10 further includes the first connecting plate 11, first connecting plate 11 respectively with the first buck plate 14 and second buck plate 16 connect, and first connecting plate 11 setting light source substrate fitting groove 15 and lifting substrate 12 between.

Specifically, as shown in figure 4, one end of the first connecting plate 11 and first sliding groove 141 close to the first plate body 142 periphery Connection, periphery of the other end of the first connecting plate 11 with second sliding slot 161 close to the 4th plate body 162 are connect.

Optionally, the opposite lifting substrate 12 of third plate body 144 is obliquely installed, further to block and reflection source component 20 Emergent light improve the same of outgoing light utilization efficiency so that the emergent light of light source assembly 20 is as much as possible to expose to blackboard region Shi Zengqiang brightness.

Specifically, shown in Fig. 4, in the present embodiment, one end of third plate body 144 is connect with the second plate body 143, third plate The extending direction of the other end of body 144 and the angle of horizontal direction are θ, wherein θ is acute angle.That is, third plate body 144 and level The angle in direction is less than 90 degree.For example, can be 89 °, 85 °, 80 °, 75 ° or 70 ° etc..

As shown in connection with fig. 3, by the angle of third plate body 144 and horizontal direction be arranged less than 90 °, due to third plate body 144 block, and the direction of the emergent light of light source assembly 20 is only capable of irradiating into blackboard region, and then the benefit of emergent light can be improved With rate.On the other hand, when watching blackboard attentively immediately ahead of blackboard, due to blocking for third plate body 144, light source assembly 20 is issued Light cannot directly be arrived by eye-observation, to avoid generating dazzling feeling, improve the user experience.

Further, lamp casing 10 further includes the first arc panel 13 and the second arc panel 19, and the first arc panel 13 is used for The end of the separate lifting substrate 12 of the first end and the first buck plate 14 of connection lifting substrate 12, the second arc panel 19 is for connecting Connect the end of the second end of lifting substrate 12 and the separate lifting substrate 12 of the second buck plate 16.Wherein, the first arc panel 13, hang Dress substrate 12 and the first buck plate 14 enclose the accommodating cavity 110 for setting and being formed for accommodating power module.

Specifically, as shown in figure 4, the first arc panel 13 by lift substrate 12 first end and third plate body 144 it is separate The end of second plate body 143 is connected, the second arc panel 19 by lift substrate 12 second end and the 5th plate body 163 far from the 4th The end of plate body 162 is connected, to form the lamp casing 10 of similar circular tube shaped.On the one hand, the lamp casing 10 of circular tube shaped can be with Reduce the wind surface of lamp casing 10, so as to prevent air flowing from blackboard lights 100 being caused to swing；On the other hand, circular tube shaped Lamp casing 10 can make the good appearances of blackboard lights 100.

In the present embodiment, as shown in figure 4, on the outer surface of the first arc panel 13 and the outer surface of the second arc panel 19 also Multiple grooves 131 are formed with, which can increase the contact area of lamp casing 10 outer surface and air, to accelerate Heat dissipation.

Further, screw slots 132 are equipped in the inner surface of lamp casing 10 and/or outer surface, screw slots 132 are by from lamp The plate that tool shell 10 stretches out, which surrounds, to be cylindrical in shape to be formed.Since the setting of screw slots 132 is not take up each plate body of lamp casing 10 Volume, so will not influence the structural strength of lamp casing 10.

Wherein, in the present embodiment, as shown in figure 4, being uniformly arranged on the inner surface of lamp casing 10 there are three screw Slot 132, the screw slots 132 are for fixing end cap 30, with the end face of sealed lamps shell 10.By the way that the setting of screw slots 132 is existed On the inner surface of lamp casing 10, the good appearance of lamp casing 10 can be made.

Further, the first arc panel 13 further includes the first hook portion 133, which protrudes from lifting base The surface of plate 12, the second arc panel 19 further include the second hook portion 191, and the second hook portion 191 protrudes from the table of lifting substrate 12 Face, and the first hook portion 133 and the second hook portion 191 bend to direction close to each other and extend.

Specifically, as shown in figure 4, the first hook portion 133 is extended by the first arc panel 13 from lifting 12 first end of substrate Part composition, the second hook portion 191 is made of the second arc panel 19 from the part that lifting 12 second end of substrate is extended.First Hook portion 133 and the second hook portion 191, which are bent far from the end of lifting substrate 12 to direction close to each other, to be extended, for hanging Fill lamp casing 10.

Optionally, as shown in figure 4, the first hook portion 133 and the second hook portion 191 are symmetrical arranged about the first plane A-A. , can be when lamp casing 10 be lifted by the way that symmetrical first hook portion 133 and the second hook portion 191 is arranged, lamps and lanterns The both ends uniform force of shell 10.

Optionally, it is additionally provided with radiating fin 121 on lifting substrate 12, to reinforce the heat dissipation of lamp casing 10.Such as Fig. 4 Shown, in the present embodiment, lifting substrate 12 is arranged in away from the first buck plate 14 and the second buck plate 16 in radiating fin 121 Side, and in the region between the first hook portion 133 and the second hook portion 191.The radiating fin 121 includes multiple, and Multiple 121 parallel interval of radiating fin settings accelerate air circulation to form radiating flow passage between adjacent heat radiation fin 121 Speed further speeds up heat dissipation.

As shown in figure 5, light source assembly 20 includes multiple LED lamp beads 21, aluminum substrate 22 and optical lens 23.Wherein, more A LED lamp bead 21 is uniformly arranged on aluminum substrate 22 along the length direction of aluminum substrate 22, and aluminum substrate 22 is used to be multiple LED lamp beads 21 heat dissipations, optical lens 23 are located in multiple LED lamp beads 21.

Wherein, as shown in fig. 6, optical lens 23 includes incidence surface 231, light-emitting surface 232 and connection incidence surface 231 and goes out The reflecting surface 233 of smooth surface 232.The optical lens 23 is symmetrical arranged along symmetry axis II-II, and multiple LED lamp beads 21 are arranged symmetrical On axis II-II, so that the emergent light of LED lamp bead 21 uniformly exposes on incidence surface 231.

Further, the area of incidence surface 231 is less than the area of light-emitting surface 232, and the light that LED lamp bead 21 issues is through entering light Face 231 exposes to inside optical lens 23.Wherein, the lesser light of incident angle is after optical lens 23 directly from light-emitting surface 232 project, and the biggish light of incident angle projects after the reflection of reflecting surface 233 through light-emitting surface 232.By in LED lamp bead 21 Outside is provide with optical lens 23, can expand the light distribution angle of the light of the sending of LED lamp bead 21.

Further, as shown in fig. 6, being also symmetrical arranged on optical lens 23 there are two mounting portion 234, two mounting portions 234 are arranged in the side of light-emitting surface 232, for carrying out installation fixation to optical lens 23.

Optionally, optical lens 23 is high guide-lighting optical material, to improve light utilization.Optical lens 23 can pass through Such as injection mold or dosage form mold form, and optical lens 23 can use sectional design, in order to processing and installation.Such as Shown in Fig. 5, in the present embodiment, optical lens 23 includes 4 sections, each section of equal length.

In the present embodiment, as shown in fig. 7,22 sliding property of aluminum substrate is arranged in light source substrate fitting groove 15, and with the The contact of one connecting plate 11.The first connecting plate 11 contacted with aluminum substrate 22 is set, and the heat that can be generated in order to aluminum substrate 22 passes It is handed to the first connecting plate 11, and in turn by the first connecting plate 11 and the other plate bodys connecting with the first connecting plate 11 to aluminum substrate 22 radiate.

Multiple LED lamp beads 21 are arranged on the symmetry axis I-I of light source substrate fitting groove 15, so that the illumination of emergent light is equal It is even.Optical lens 23 is placed in the lens arrangement chamber 17 of flared, and its symmetry axis II-II and light source substrate fitting groove 15 Symmetry axis I-I is overlapped, and two mounting portions 234 on optical lens 23 cooperate with third sliding slot 145 and the 4th sliding slot 165 respectively, Optical lens 23 to be fixed in lens arrangement slot 18.

Wherein, it by the sliding property setting aluminum substrate 22 in light source substrate fitting groove 15, is slided in lens arrangement slot 18 Property setting optical lens 23, can not only make installation simple to avoid the fixed aluminum substrate 22 of screw and optical lens 23 is used, and And making the structure of blackboard lights 100 more compact, volume is more compact.

The both ends on 10 length direction of lamp casing are arranged in end cap 30, can be used for seal light source substrate fitting groove 15, Lens arrangement chamber 17, lens arrangement slot 18 and accommodating cavity 110, to prevent light source assembly 20 and power module from filling from light source substrate It is dropped out in slot allocation 15, lens arrangement chamber 17, lens arrangement slot 18 and accommodating cavity 110.

Further, as shown in Figure 1, blackboard lights 100 further include hanger 40, it is used for hoisting lamp shell 10.In this implementation In example, there are two hangers 40 for the setting of blackboard lights 100, and two hangers 40 are arranged along 10 length direction of lamp casing, so that black The stability of plate lamp 100 is stronger.

As shown in figure 8, Fig. 8 is the exploded structural schematic diagram of hanger.Hanger 40 includes sunpender 41, the first connector 42 And second connector 43.First connector 42 includes the first clamping portion 421, the second clamping portion 422 and the portion 423 that arches upward.Its In, the first clamping portion 421 and the second clamping portion 422 are symmetricly set on the two sides in the portion of arching upward 423 along a plane, and arch upward portion 423 It is symmetrical arranged along the plane.The first fixation hole 424 is formed in the portion of arching upward 423, which is located at the plane It is interior.

Wherein, as shown in fig. 7, in the present embodiment, the symmetrical plane of the first clamping portion 421 and the second clamping portion 422 with It is vertical to lift substrate 12, so that 10 both ends uniform force of lamp casing.

It as shown in Figure 7 and Figure 8, can be along lamp casing 10 when the first connector 42 to be connect with lamp casing 10 First clamping portion 421 and the first hook portion 133 are clamped by the side of length direction, by the second clamping portion 422 and the second hook portion 191 clampings, and the first connector 42 is moved along the length direction of lamp casing 10, thus by the first connector 42 and lamp casing 10 connections.

As shown in figure 8, being also formed with the second fixation hole 425 in the portion 423 that arches upward of the first connector 42.As shown in fig. 7, spiral shell Nail is further connected on lamp casing 10, after the second fixation hole 425 so that the first connector 42 and lamp casing 10 connection is more stable.

Second connector 43 includes sequentially connected first connecting portion 431, second connecting portion 432 and third interconnecting piece 433.Wherein, first connecting portion 431 and the setting of 433 parallel interval of third interconnecting piece, in first connecting portion 431 and third interconnecting piece It is respectively formed on 433 and is co-axially located at through-hole 434.Second connecting portion 432 is arranged in first connecting portion 431 and third interconnecting piece Between 433, the connecting hole 435 of second connecting portion 432 is formed through on the direction vertical with 434 axis of through-hole.

When the first connector 42 to be connect with the second connector 43, the portion of arching upward 423 first can be placed in the first connection In gap between portion 431 and third interconnecting piece 433, and by the first fixation hole 424 and first connecting portion in the portion of arching upward 423 431 and third interconnecting piece 433 on through-hole 434 be aligned, screw passes through the first connection after through-hole 434 and the first fixation hole 424 Part 42 and the second connector 43 are attached.

Sunpender 41 is formed with external screw thread on one end lateral wall of lamp casing 10.By sunpender 41 and the second connector When 43 connection, sunpender 41 is formed with externally threaded one end and connect after the connecting hole 435 on the second connector 43 with nut, from And sunpender 41 is connect with the second connector 43.

Further, as shown in fig. 7, blackboard lights 100 further include power module 50, power module 50 is arranged in accommodating cavity It in 110, and is electrically connected with light source assembly 20, for powering for light source assembly 20.

Wherein, in the present embodiment, as shown in Fig. 2, power module 50 can be set in the position close to any hanger 40 Place, to shorten the length that power module 50 is connected with external power source electric wire.

In conclusion it should be readily apparent to one skilled in the art that by forming opposite lifting substrate 12 on lamp casing 10 The light source substrate fitting groove 15 being integrally inclined to set, and light source assembly 20 is arranged in light source substrate fitting groove 15, when hanging Fill substrate 12 it is horizontal it is fixed after, the light that light source assembly 20 is emitted inclined can be incident in blackboard region, on the one hand can be with By adjusting the tilt angle of light source substrate fitting groove 15 to control the direction of the emergent light of blackboard lights 100；On the other hand, due to The emergent light integrated distribution of light source assembly 20 can also be improved the light utilization efficiency of blackboard lights 100 in blackboard region.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of lamp casing, which is characterized in that the lamp casing includes: lifting substrate, the first buck plate and the second dress Matching board, first buck plate and second buck plate are connect with the lifting substrate, and first buck plate is equipped with first Sliding slot, second buck plate are equipped with second sliding slot, and the first sliding groove and the second sliding slot constitute the relatively described lifting base The light source substrate fitting groove that plate is integrally inclined to set.

2. lamp casing according to claim 1, which is characterized in that it is sliding to be also formed with third on first buck plate Slot is also formed with the 4th sliding slot on second buck plate, and the third sliding slot and the 4th sliding slot form lens arrangement slot, The lens arrangement slot and the light source substrate fitting groove parallel interval.

3. lamp casing according to claim 2, which is characterized in that first buck plate includes sequentially connected first Plate body, the second plate body and third plate body, first plate body are connect with the lifting substrate, and the first sliding groove is arranged in institute The junction of the first plate body Yu second plate body is stated, the third sliding slot is arranged in second plate body and the third plate body Junction.

4. lamp casing according to claim 3, which is characterized in that second buck plate includes the 4th plate body and the 5th Plate body, the 4th plate body are connect with the lifting substrate, and the second sliding slot is arranged in the 4th plate body and the described 5th The end of the 5th plate body far from the 4th plate body is arranged in the junction of plate body, the 4th sliding slot.

5. lamp casing according to claim 4, which is characterized in that the height of first plate body is greater than the 4th plate The height of body.

6. lamp casing according to claim 4, which is characterized in that second plate body and the 5th plate body are described in The symmetry axis of light source substrate fitting groove is symmetrical arranged.

7. lamp casing according to claim 1, which is characterized in that the lamp casing further includes the first connecting plate, institute It states the first connecting plate to connect with first buck plate and second buck plate respectively, and first connecting plate is arranged in institute It states between light source substrate fitting groove and the lifting substrate.

8. lamp casing according to claim 1, which is characterized in that the lamp casing further includes the first arc panel and Two arc panels, first arc panel are used to connect described in the first end of the lifting substrate and the separate of first buck plate Lift substrate end, second arc panel be used for connect it is described lifting substrate second end and second buck plate it is remote End from the lifting substrate, and the lifting substrate, first buck plate and first arc panel enclose and set to be formed For accommodating the accommodating cavity of power module.

9. lamp casing according to claim 8, which is characterized in that first arc panel further includes the first hook portion, First hook portion protrudes from the surface of the lifting substrate；Second arc panel further includes the second hook portion, and described Two hook portions protrude from the surface of the lifting substrate, and first hook portion and second hook portion are to close to each other Direction bending extends.

10. a kind of blackboard lights, which is characterized in that the blackboard lights include light source assembly, power module and such as claim 1-9 Any one of described in lamp casing, the light source assembly is installed in the light source substrate fitting groove, and the power module is solid It is scheduled in the lamp casing, and is electrically connected with the light source assembly, for powering for the light source assembly.