CN211010956U

CN211010956U - Section bar for blackboard illumination lamps and lanterns

Info

Publication number: CN211010956U
Application number: CN201921962356.8U
Authority: CN
Inventors: 朱佩华
Original assignee: JIANGSU KAILUN ALUMINUM CO Ltd
Current assignee: JIANGSU KAILUN ALUMINUM CO Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-14
Anticipated expiration: 2029-11-13

Abstract

The utility model belongs to the technical field of the lighting device technique and specifically relates to a section bar for blackboard illumination lamps and lanterns, including the section bar body, the section bar body has a heat dissipation chamber, heat dissipation chamber top has the screw bayonet socket for fix the section bar body on the ceiling, the bottom is equipped with two at least to the light trough of heat dissipation intracavity portion concave yield. The utility model discloses a set up the heat dissipation chamber to set up two at least light troughs bottom the heat dissipation chamber, effectively improved the radiating effect of lamps and lanterns, and can adjust the average illuminance through the number of adjustment installation fluorescent tube, reach the standard.

Description

Section bar for blackboard illumination lamps and lanterns

Technical Field

The utility model belongs to the technical field of lighting device technique and specifically relates to a section bar for blackboard illumination lamps and lanterns.

Background

The blackboard lighting lamp can change the brightness of the blackboard, so that the content on the blackboard can be clearly seen at various positions in a classroom, particularly the position close to the rear of the classroom. The classroom blackboard is provided with a local illuminating lamp according to the standards of classroom lighting and illumination sanitation in primary and secondary schools, the average illumination is maintained to be not lower than 500lx, and the illumination uniformity is not lower than 0.8.

The existing blackboard illuminating lamp has poor radiating effect, the service life of a lamp tube is easily influenced, and after the lamp tube is replaced, the problem that the average illumination after replacement does not reach the standard is easily caused due to inconsistent brightness of the lamp tube before and after replacement.

SUMMERY OF THE UTILITY MODEL

In order to solve current blackboard illumination lamps and lanterns radiating effect not good, influence the fluorescent tube life-span easily, and after changing the fluorescent tube, owing to fluorescent tube luminance inconsistent around changing, lead to changing the problem that the average illuminance is not up to standard after easy, the utility model provides a section bar for blackboard illumination lamps and lanterns is through setting up the heat dissipation chamber to set up two at least lamp slots bottom the heat dissipation chamber, effectively improved the radiating effect of lamps and lanterns, and can reach the standard through the average illuminance of number adjustment installation fluorescent tube.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a section bar for blackboard illumination lamps and lanterns, includes the section bar body, the section bar body has a heat dissipation chamber, heat dissipation chamber top has the screw bayonet socket for fix the section bar body on the ceiling, the bottom is equipped with two lamp grooves to the inside concave yield of heat dissipation chamber at least.

Specifically, the section bar body is further provided with a first lampshade fixing part and a second lampshade fixing part which extend downwards at one end close to the blackboard and one end far away from the blackboard respectively and are used for fixing the lampshade.

Specifically, above-mentioned lamp shade fixed part one has the certain distance to the one end that the heat dissipation chamber is close to the blackboard, the curb plate downwardly extending that the heat dissipation chamber is close to blackboard one end forms the extension section, the length of extension section is greater than the length of lamp shade fixed part one, the one end that heat dissipation chamber was kept away from to extension section and lamp shade fixed part one is connected each other and is formed the reflection of light portion for on reflecting the light that the fluorescent tube sent evenly to the blackboard.

Specifically, the heat dissipation cavity is provided with threaded holes at three top corners without the extension section, the middle part of the extension section is also provided with threaded holes, and the threaded holes are used for fixing plastic parts on the side surfaces of the lighting lamp.

Specifically, the number of the lamp grooves is three.

Specifically, the included angle between the extension section and the light reflecting part is α, and the included angle α is 15-30 degrees.

Specifically, the α content is 21 °

Specifically, the section bar is an aluminum section bar.

The utility model has the advantages that: the utility model discloses a set up the heat dissipation chamber to set up two at least light troughs bottom the heat dissipation chamber, effectively improved the radiating effect of lamps and lanterns, and can adjust the average illuminance through the number of adjustment installation fluorescent tube, reach the standard.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the position relationship between the sectional material and the blackboard according to the present invention;

in the figure: 1. a heat dissipation cavity; 2. a screw bayonet; 3. a lamp slot; 41. a first lampshade fixing part; 42. a second lampshade fixing part; 5. an extension section; 6. a light reflecting section; 7. a threaded hole; 8. a blackboard; 9. and a lampshade.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

A section bar for a blackboard lighting lamp comprises a section bar body, wherein the section bar body is provided with a heat dissipation cavity 1, the top of the heat dissipation cavity 1 is provided with a screw bayonet 2 for fixing the section bar body on a ceiling, and the bottom of the heat dissipation cavity 1 is at least provided with two lamp grooves 3 recessed towards the inside of the heat dissipation cavity 1. Through setting up heat dissipation chamber 1 to set up two at least lamp grooves 3 in heat dissipation chamber 1 bottom, effectively improved the radiating effect of lamps and lanterns, and can adjust average illuminance through the number adjustment installation fluorescent tube, thereby reach the required illuminance standard. In the specific embodiment, the heat dissipation cavity 1 is rectangular, so that the heat dissipation cavity can be matched with a corner conveniently.

In a specific embodiment, as shown in fig. 1-2, the profile body is further provided with a first lampshade fixing part 41 and a second lampshade fixing part 42 which extend downwards at one end close to the blackboard 8 and one end far away from the blackboard 8 respectively and are used for fixing the lampshade 9. In a specific embodiment, the lampshade 9 may be fixed to the profile body by welding, or may be fixed by bolts or other feasible methods.

In a specific embodiment, as shown in fig. 1-2, a certain distance is provided from the first lampshade fixing part 41 to one end of the heat dissipation cavity 1 close to the blackboard 8, a side plate of the heat dissipation cavity 1 close to one end of the blackboard 8 extends downwards to form an extension section 5, the length of the extension section 5 is greater than that of the first lampshade fixing part 41, and the extension section 5 and one end of the first lampshade fixing part 41 far from the heat dissipation cavity 1 are connected with each other to form a light reflecting part 6 for uniformly reflecting light rays emitted by the lamp tube onto the blackboard 8.

In a specific embodiment, as shown in fig. 1-2, the heat dissipation chamber 1 is provided with threaded holes 7 at three corners without the extension section 5, the middle of the extension section 5 is also provided with threaded holes 7, and the threaded holes 7 are used for fixing plastic parts on the side surface of the lighting fixture. The fixed plastic part can improve the aesthetic degree on one hand and can prevent light leakage on the other hand.

In one particular embodiment, as shown in fig. 1-2, three light troughs 3 are provided. In specific embodiments, one, two or three lamps can be installed according to the power and lighting requirements of the lamps.

In a particular embodiment, as shown in fig. 1, the extension 5 is angled α from 15 to 30 degrees relative to the reflector 6.

In one particular embodiment, α is 21 ° as shown in fig. 1.

In a particular embodiment, the profile is an aluminium profile. The aluminum material adopted by the section bar is more favorable for heat dissipation on one hand and is favorable for reducing the mass on the other hand.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a section bar for blackboard illumination lamps and lanterns which characterized in that: the novel heat dissipation section bar comprises a section bar body, wherein the section bar body is provided with a heat dissipation cavity (1), the top of the heat dissipation cavity (1) is provided with a screw bayonet (2) for fixing the section bar body on a ceiling, and the bottom of the section bar body is at least provided with two lamp grooves (3) which are recessed towards the inside of the heat dissipation cavity (1).

2. The profile for a blackboard illumination lamp according to claim 1, characterized in that: the section bar body is further provided with a first lampshade fixing part (41) and a second lampshade fixing part (42) which extend downwards at one end close to the blackboard (8) and one end far away from the blackboard (8) respectively and used for fixing the lampshade (9).

3. The profile for a blackboard illumination lamp as set forth in claim 2, wherein: lampshade fixing part (41) have the certain distance to the one end that heat dissipation chamber (1) is close to blackboard (8), heat dissipation chamber (1) is close to curb plate downwardly extending of blackboard (8) one end and forms extension section (5), the length of extension section (5) is greater than the length of lampshade fixing part (41), extension section (5) and one end that heat dissipation chamber (1) was kept away from in lampshade fixing part (41) are connected each other and are formed reflection of light portion (6) for light that sends the fluorescent tube reflects blackboard (8) uniformly.

4. The profile for a blackboard illumination lamp as set forth in claim 3, wherein: the heat dissipation cavity (1) is provided with threaded holes (7) at three vertex angles without extension sections (5), the middle part of the extension sections (5) is also provided with the threaded holes (7), and the threaded holes (7) are used for fixing plastic parts on the side surfaces of the lighting lamp.

5. The profile for a blackboard illumination lamp according to claim 1, characterized in that: the number of the lamp grooves (3) is three.

6. The profile for blackboard illumination lamps as claimed in claim 3, wherein the included angle between the extension section (5) and the light reflecting part (6) is α, and the included angle α is 15-30 °.

7. The profile for blackboard illumination lamp as claimed in claim 6, wherein the α is 21 °.

8. The profile for a blackboard illumination lamp according to any one of claims 1 to 7, characterized in that: the section bar is an aluminum section bar.