CN201575410U - Lighting luminaire for classroom - Google Patents

Abstract

The utility model relates to a lighting luminaire for a classroom, which comprises a fluorescent lamp tube, a reflector mainboard fixed on a fixing seat of a reflector at the bottom and reflector side plates arranged on two sides of the reflector mainboard, wherein the reflector mainboard consists of a plurality of strip planes which are continuously bent inwards, the cross section of the reflector mainboard is in the shape of an asymmetrical bracket, and the strip planes are in the shape of a rectangle. The number of the strip planes can be 17-21. The fluorescent lamp tube is arranged at a focus point of the reflector mainboard. The lighting luminaire for the classroom can lead the efficiency of the luminaire to reach above 82%, the luminaire is mounted in a lighting environment of the classroom, the lighting power density is less than 9W/m2, the maintenance illuminance is not less than 300Lx, the unified glare rating UGR is not more than 16, and the uniformity is not less than 0.7, thereby being very suited for electrified education rooms for use.

Description

Lighting fixture for classroom

Technical field

The utility model relates to a kind of lighting, specifically, relates to the lighting that is exclusively used in the classroom illumination environment, belongs to the electric light source equipment technical field.

Background technology

The classroom is the important place that the student learns, light fixture select the euphorosia degree that is related to teachers and students, the health degree of concentrating degree and eyes for use.Show that according to the numeral of the up-to-date announcement of the Ministry of Education China's rate of myopia comes the second place of the world, the pupil is 28%, the junior school student is 60%, the high school student is 85%.The daylighting lighting environment in classroom directly affects student's eyesight development.The light fixture that present China middle and primary schools generally use in the classroom is an electric inductance type fluorescent lamp, though the illumination of fluorescent lamp is big more before this, improved the lighting condition in classroom effectively, still, the illumination index of light fixture does not also reach country's " architectural lighting design standard " regulation (GB50034-2004) at present.Have such as the existing lighting fixture for classroom that uses that illumination is poor, dazzle is big, stroboscopic reaches deficiencies such as power consumption is big greatly, and on the blackboard and the light skewness on the desk, student's eyesight has been produced bad influence, cause the generation of student's light source myopia; In addition, existing lighting fixture for classroom all is the symmetric form light distribution, present best Luminaire efficiency≤65%, and the uniformity is 0.6, lighting power density 〉=11W/m ²Be unwell to the indoor use of audio-visual education programme, be embodied in: when carrying out electronic teaching, because light produces unwanted distribution on the blackboard metope, the light that light that projecting apparatus sends and light fixture project metope superposes, and causes the student when watching projection screen, because of brightness is felt the eyes discomfort too by force, if but close lighting this moment, and can cause the Illumination Distribution deficiency on the desk again, hinder the student to read a book simultaneously or take notes.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of lighting fixture for classroom, make Luminaire efficiency be greatly improved, can satisfy the vision requirement of student viewing projection screen, can guarantee that again light has enough Illumination Distribution on the desk surface simultaneously.

For achieving the above object, the lighting fixture for classroom that the utility model provides comprises fluorescent tube, be fixed on the reflector mainboard on the bottom reflector holder and be arranged at the reflector side plate of reflector mainboard both sides, described reflector mainboard by inwardly continuously a plurality of fillets plane of bending constitute.

As to further improvement of the utility model, the cross sectional shape of reflector mainboard is an asymmetrical bracket.

Described fillet plane be shaped as rectangle.

The quantity on described fillet plane is 17～21.

As of the present utility model preferred, described fillet plane quantity is 19.

Described fluorescent tube is arranged at the focus place of reflector mainboard.

At the bottom of the described reflector mainboard along between width be 120～260mm, the length of reflector mainboard is 1100～1300mm, the vertical height of reflector mainboard is 70～120mm.

As optimized technical scheme, the width at the bottom of the described reflector mainboard between the edge is 199mm, and the length of reflector mainboard is 1224mm, and the vertical height of reflector mainboard is 103.48mm.

Described light fixture both lateral sides lamp shielding angle is respectively 30 degree and 45 degree.

Described fluorescent tube is T5 or T8 fluorescent tube.

Described reflector is made by the mould one-shot forming.

Described reflector is to be formed by the aluminum through polishing.

Compared with prior art, the beneficial effects of the utility model are:

1, lighting fixture for classroom described in the utility model, because the asymmetric design in its reflector mainboard cross section and the design of invagination narrow plane, make Luminaire efficiency improve greatly, confirm that after testing this Luminaire efficiency reaches more than 82%, lamp installation is in the classroom illumination environment, lighting power density＜9W/m2 keeps illumination 〉=300Lx, dazzle value (UGR)≤16, the uniformity (U) 〉=0.7 is suitable for the indoor use of audio-visual education programme.According to standard classroom is example, the parameter that is up to state standards, and existing product need be with 432W (not comprising the ballast loss), and the utility model only need be used 324W, each classroom just can economize on electricity 25%.

2, use this lighting fixture for classroom; the straight tube fluorescent lamp tool can not cause unwanted light to distribute on the blackboard metope; when electronic teaching; need not close lighting, just can satisfy the vision requirement of student viewing projection screen, guarantee that again light has enough Illumination Distribution on the desk surface simultaneously; luminous intensity distribution meets the human efficiency subject; reduce dazzle, both satisfied the requirement of audio-visual classroom, protected student's eyes and eyesight again effectively.

3, at this lighting fixture for classroom, because the reflector mainboard is an asymmetrical shape, the beam angle of output intensity distribution hour offset vertical plane is less, and the fillet plane is adopted 17～21, and outgoing efficient also improves greatly.

Description of drawings

The utility model is described in more detail and description below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of the utility model lighting fixture for classroom.

The structural representation that Fig. 2 watches from the side for the utility model.

Fig. 3 is the structural representation of reflector side plate in the utility model.

Fig. 4 is the generalized section of utility model reflector mainboard.

Fig. 5 is the enlarged drawing of Fig. 4.

Among the figure: 3, fluorescent tube 4, electric ballast 6, lamp box face frame 9, bottom reflector holder 10, fluorescent lamp socket 11, reflector mainboard 13, reflector side plate 14, lamp box side plate 19, lamp box 21, jump ring support 22, jump ring

The specific embodiment

As shown in Figure 1 to Figure 3, a kind of lighting fixture for classroom, comprise fluorescent tube 3, be fixed on the reflector mainboard 11 on the bottom reflector holder 9 and be arranged at the reflector side plate 13 of both sides, described fluorescent tube 3 is arranged at the focus place of reflector mainboard 11, with reference to Fig. 4 and Fig. 5, described reflector mainboard 11 is made of a plurality of fillets plane of inwardly continuously bending, described fillet plane be shaped as rectangle.The fillet plane quantity be generally 17～21.Quantity as preferred fillet plane is 19.

The cross sectional shape of reflector mainboard 11 is asymmetrical " bracket " shape, and this bracket is formed by many line segments of bending, is that this bracket is just formed by the line segment of 19 bendings under 19 the situation in the quantity on fillet plane.

Described reflector is made by the mould one-shot forming, that is to say that reflector mainboard 11 is one-body molded for invagination.The material of described reflector is formed by the aluminum through polishing.

Use the light fixture of this reflector mainboard cross section as asymmetrical shape, the beam angle of output intensity distribution hour offset vertical plane is less, and high more for the many more precision in light distribution fillet plane, outgoing efficient is also high more.

Angle between the fillet plane is set according to spatial light intensity distribution needs.The width on fillet plane is provided with by the angle of emergence of setting.Width between the edge, 11 ends of described reflector mainboard is 120～260mm, and the vertical height of the mainboard of reflector is 70～120mm.

As optimized technical scheme, the width at the bottom of the described reflector mainboard between the edge is 199mm, and the vertical height of reflector mainboard is 103.48mm.Light fixture both lateral sides lamp shielding angle is respectively 30 degree and 45 degree.

Described fluorescent tube can be T5 or T8 fluorescent tube.

Lighting fixture for classroom described in the utility model, because the asymmetric design in its reflector mainboard cross section and the design of invagination narrow plane, make Luminaire efficiency improve greatly, confirm that after testing Luminaire efficiency reaches 82%, lamp installation is in the classroom illumination environment, lighting power density＜9W/m2, keep illumination 〉=300Lx, dazzle value (UGR)≤16, the uniformity (U) 〉=0.7.

Use this lighting fixture for classroom; the straight tube fluorescent lamp tool does not cause unwanted light to distribute on the blackboard metope again; when electronic teaching; need not close lighting; just can satisfy the vision requirement of student viewing projection screen; simultaneously guaranteed that again light has enough Illumination Distribution on the desk surface; luminous intensity distribution meets the human efficiency subject; reduced dazzle; both satisfied the requirement of audio-visual classroom; protected student's eyes and eyesight again effectively, used when electronic teaching is carried out in the classroom that is suitable for very much having projecting apparatus.

More than just the utility model is not the qualification to the utility model embodiment preferred embodiment, as long as adopted design concept of the present utility model, all drops within the claimed scope of the utility model.

Claims (10)

1. a lighting fixture for classroom comprises fluorescent tube, is fixed on the reflector mainboard on the bottom reflector holder and is arranged at the reflector side plate of reflector mainboard both sides, it is characterized in that: described reflector mainboard by inwardly continuously a plurality of fillets plane of bending constitute.

2. lighting fixture for classroom according to claim 1 is characterized in that: the cross sectional shape of described reflector mainboard is an asymmetrical bracket shape.

3. lighting fixture for classroom according to claim 1 is characterized in that: described fillet plane be shaped as rectangle.

4. lighting fixture for classroom according to claim 3 is characterized in that: the quantity on described fillet plane is 17～21.

5. lighting fixture for classroom according to claim 4 is characterized in that: described fillet plane quantity is 19.

6. lighting fixture for classroom according to claim 1 is characterized in that: described fluorescent tube is arranged at the focus place of reflector mainboard.

7. according to the described lighting fixture for classroom of the arbitrary claim of claim 1 to 6, it is characterized in that: at the bottom of the described reflector mainboard along between width be 120～260mm, the length of reflector mainboard is 1100～1300mm, and the vertical height of reflector mainboard is 70～120mm.

8. lighting fixture for classroom according to claim 7 is characterized in that: the width at the bottom of the described reflector mainboard between the edge is 199mm, and the length of reflector mainboard is 1224mm, and the vertical height of reflector mainboard is 103.48mm.

9. lighting fixture for classroom according to claim 1 is characterized in that: described light fixture both lateral sides lamp shielding angle is respectively 30 degree and 45 degree.

10. lighting fixture for classroom according to claim 1 is characterized in that: described fluorescent tube is T5 or T8 fluorescent tube.

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