Passive light control type courtyard lighting device

Abstract

The utility model discloses a passive light control type courtyard lighting device, and belongs to the technical field of constructional engineering. The passive light control type courtyard lighting device comprises a fixing unit, a light control unit and a lighting unit, wherein the fixing unit is fixed on the inner side wall surface of a courtyard; the supporting unit is fixedly connected with the fixing unit; the plurality of polyhedral light reflecting units are arranged in an array and are fixed on the supporting unit; the polyhedral reflection unit comprises a first reflection unit, a second reflection unit and a third reflection unit, the top of the first reflection unit and the top of the second reflection unit are fixedly connected with the supporting unit, the length of the first reflection unit is larger than that of the second reflection unit, and the height of the bottom of the first reflection unit is smaller than that of the second reflection unit; and the third reflection unit is arranged on the back surfaces of the first reflection unit and the second reflection unit and at least partially sinks towards the top of the courtyard. The unpowered light control units are adopted, arrangement can be adjusted according to the regional difference and the structural design of the courtyard as required, and uniform lighting and shading are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a passive light control type skylight lighting device and belongs to the technical field of building engineering. BACKGROUND

[0002] At present, people pay more and more attention to building energy saving and function comfort in the low-carbon environmental protection and green economy. It is the consistent pursuit of people to improve the economic value and use value of buildings through natural lighting, but uncontrollable natural light sometimes also brings many troubles. Especially in the glass curtain wall building, the indoor temperature rises obviously when the sunlight is directly incident, and the unevenness of solar energy resources in different time periods of a day and different weather conditions brings a great test to building energy saving.

[0003] At present, the electric sunshade curtain is mainly used to actively control the skylight lighting, but the electric sunshade curtain has the following problems:

[0004] A. High cost: when purchasing, the price is higher than that of the manual sunshade curtain due to the motor, control system and the like; in use, the electric sunshade curtain consumes power and the components are easy to wear, and the subsequent maintenance cost is high;

[0005] B. Installation and maintenance are troublesome: professional personnel are needed for installation, the line and component debugging are complex, and improper installation is prone to problems; fault maintenance depends on professional technology and tools, which is time-consuming and costly;

[0006] C. Functional short board: the sunshade is not complete, light penetrates under strong light, and the effect is worse after the fabric ages; it is easy to sway, shift and even damage in windy weather; the intelligent control compatibility is poor, and the signal and sensing are unstable;

[0007] D. Limited life: the motor and transmission components are easy to wear and age, and the service life of the motor is generally 3-5 years; the fabric is affected by ultraviolet light, and needs to be replaced after fading and becoming brittle. INVENTION CONTENTS

[0008] The utility model discloses a passive light control type skylight lighting device, adopts a non-powered light control unit, can be arranged according to the regional difference and the structure design of the skylight on demand, and realizes uniform lighting and shading.

[0009] The utility model relates to a passive light control type skylight lighting device, comprising:

[0010] The fixed unit is fixed on the inner side wall surface of the skylight;

[0011] The support unit is fixedly connected with the fixed unit;

[0012] A plurality of arrayed polyhedral light-reflecting units are fixed on a support unit; the polyhedral light-reflecting units comprise a first reflecting unit, a second reflecting unit and a third reflecting unit with diffusely reflecting surfaces, the first reflecting unit and the second reflecting unit are planar reflecting units, and are fixedly connected with the support unit at the top, respectively; the length of the first reflecting unit is greater than that of the second reflecting unit, and the height of the bottom of the first reflecting unit is lower than that of the second reflecting unit; the third reflecting unit is arranged on the back of the first reflecting unit and the second reflecting unit, and is at least partially recessed towards the top of the atrium.

[0013] For some specific embodiments, the support unit is provided with a first support bracket, which is fixedly connected with the fixing unit.

[0014] Preferably, the support unit is further provided with a second support bracket, which is arranged corresponding to the steel beam of the atrium top curtain wall, and is fixedly connected with the first support bracket at one end and with the steel beam of the curtain wall at the other end, so as to improve the stability of the first support bracket.

[0015] For some specific embodiments, the first reflecting unit, the second reflecting unit and the third reflecting unit are all provided with inner support brackets; the inner support brackets of the first reflecting unit and the second reflecting unit are fixedly connected with the first support bracket at the top, and / or the inner support brackets of the first reflecting unit and the second reflecting unit are fixedly connected with the second support bracket.

[0016] For some specific embodiments, the polyhedral light-reflecting unit is provided with a lamp mounting seat away from the top area of the atrium, which is used for mounting lamps to meet the indoor lighting needs when there is lack of natural light or insufficient natural light.

[0017] Preferably, one end of the lamp mounting seat is fixedly connected with the inner support bracket of the first reflecting unit, and the other end is fixedly connected with the inner support bracket of the third reflecting unit. Further preferably, the lamps can be selected from surface-mounted downlights or LED light strips.

[0018] Compared with the prior art, the utility model has the following technical effects:

[0019] 1) During the installation process, the geometric polyhedral light-reflecting units can be flexibly arranged according to the atrium conditions and light requirements, especially the installation angle; by utilizing the special shape of the geometric polyhedron and the diffused reflection effect of the surface, uniform lighting and shading can be achieved;

[0020] 2) Relying on the natural light incidence and the optical properties of the polyhedron, the device operates in a power-saving mode without the need for additional energy, thereby avoiding power consumption and the need for complex sensors and driving components, and the construction and maintenance costs are low, and the stability is good; although the light collection angle cannot be accurately adjusted, it can meet the daily needs in cooperation with artificial lighting; it is energy-saving and environmentally friendly, and conforms to the concept of green building. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of Example 1;

[0022] Figure 2 for Figure 1 Enlarged view at point I;

[0023] Figure 3 This is a simulation diagram of daylighting in a building during the morning hours, as shown in Example 1.

[0024] Figure 4 This is a simulation diagram of daylighting at noon in a building, as shown in Example 1.

[0025] Figure 5 This is a simulation diagram of afternoon lighting in a building, as shown in Example 1.

[0026] In the diagram: 100, fixed unit; 200, support unit; 201, first support bracket; 202, second support bracket; 300, polyhedral reflective unit; 301, first reflective unit; 302, second reflective unit; 303, third reflective unit; 304, inner support bracket; 400, lamp mounting base; 500, fastener; 600, fourth reflective unit; 800, glass curtain wall; 801, curtain wall steel beam; 900, atrium. Detailed Implementation

[0027] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0028] Example 1

[0029] like Figure 1 As shown in the figure, this embodiment of a passive light-controlled skylight device includes: a fixing unit 100, a supporting unit 200, and a plurality of polyhedral reflective units 300 arranged in an array. The polyhedral reflective units 300 are disposed below the glass curtain wall 800 in the skylight 900.

[0030] The fixing unit 100 is fixed to the inner wall of the atrium. Preferably, the fixing unit is a steel plate embedded with steel feet, the steel feet being cast in concrete, with one side of the steel plate exposed; more preferably, the exposed side of the steel plate is flush with the surface of the reinforced concrete wall. In this embodiment, the fixing units are arranged along the width of the atrium, with two rows in total, forming several pairs of fixing unit structures along the length.

[0031] The support unit 200 is fixedly connected to the fixing unit 100. For example... Figure 2 As shown, the support unit is provided with a first support bracket 201 and a second support bracket 202, and the first support bracket and the second support bracket are preferably made of hot-dip galvanized square steel.

[0032] The first support bracket 201 is fixedly connected with the fixing units 100, the front end of the first support bracket 201 is welded with one of the fixing units 100, and the rear end of the first support bracket 201 is welded with one of the fixing units 100, that is, the number of the first support brackets is the same as the number of the fixing units;

[0033] The second support bracket 202 is arranged corresponding to the steel beam 801 of the ceiling top curtain wall, one end of the second support bracket 202 is welded with the first support bracket 201, and the other end of the second support bracket 202 is welded with the steel beam 801 of the ceiling top curtain wall;

[0034] The welding requirement is full welding, the welding seam is grade one, and the welding position needs to be brushed with anti-rust paint.

[0035] The polyhedral light reflecting unit comprises a first reflecting unit 301, a second reflecting unit 302 and a third reflecting unit 303, and the first reflecting unit 301, the second reflecting unit 302 and the third reflecting unit 303 are all provided with an inner support bracket 304; preferably, each reflecting unit is an aluminum plate with a diffuse layer on the surface, such as a white aluminum plate. Each reflecting unit is riveted and fixed on the corresponding inner support bracket.

[0036] The first reflecting unit 301 and the second reflecting unit 302 are planar reflecting units; in the height direction, the inclined length of the first reflecting unit 301 is greater than that of the second reflecting unit 302, and the height of the bottom of the first reflecting unit 301 is lower than that of the second reflecting unit 302; the third reflecting unit 303 is arranged on the back of the first reflecting unit 301 and the second reflecting unit 302 and at least partially recesses towards the ceiling top direction. Preferably, the first reflecting unit 301 and the second reflecting unit 302 are arranged vertically.

[0037] The inner support bracket 304 of the first reflecting unit and the second reflecting unit is welded with the first support bracket 201 at the top, and the second support bracket 202 extends into the polyhedral light reflecting unit at the bottom and is welded with the inner support bracket 304 of the first reflecting unit and the second reflecting unit.

[0038] In the polyhedral light reflecting units arranged along the first support bracket array, the second reflecting unit 302 of a previous polyhedral light reflecting unit extends and intersects with the first reflecting unit 301 of a subsequent polyhedral light reflecting unit, or the second reflecting unit 302 of a subsequent polyhedral light reflecting unit extends and intersects with the first reflecting unit 301 of a previous polyhedral light reflecting unit.

[0039] The polyhedral light-reflecting unit is provided with a lamp mounting seat 400 away from the top area of the skylight, the lamp mounting seat 400 is used for mounting a lamp, and indoor lighting requirements in the case of lack of natural light or insufficient natural light are met. Preferably, one end of the lamp mounting seat 400 is fixedly connected with the inner support bracket 304 of the first reflecting unit, and the other end is fixedly connected with the inner support bracket 304 of the third reflecting unit. Further preferably, the lamp can be selected from a surface-mounted cylinder lamp or an LED lamp strip.

[0040] In addition to the polyhedral light-reflecting unit, in the embodiment, for the skylight structure, a fixing member 500 is fixed on the inner side wall surface of the skylight, the fixing member 500 is preferably a hot-dip galvanized square steel; a fourth reflecting unit 600 is riveted and fixed on the fixing member 500, and the fourth reflecting unit 600 is preferably an aluminum plate with a diffuse layer on the surface, such as a gray aluminum plate or a beige aluminum plate.

[0041] As shown in Figure 3 , Figure 4 and Figure 5 , they are simulation diagrams of light reflected by the utility model in different time periods under sunlight irradiation, and it can be found that the utility model realizes uniform lighting and shading effects.

[0042] It should be emphasized that: the above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the scope of the technical scheme of the utility model.

Claims

1. A passive light-controlled skylight device, characterized in that, The utility model relates to a kind of ceiling lighting device, including: Fixed unit is fixed on the inside wall surface of ceiling; Support unit is fixedly connected with fixed unit; A plurality of arrayed polyhedral light reflection units are fixed on the support unit;The polyhedral light reflection unit includes first reflection unit, second reflection unit and third reflection unit with diffuse reflection surface, first reflection unit and second reflection unit are plane reflection units, and are fixedly connected with support unit at top respectively, the length of first reflection unit is greater than second reflection unit, and the height of the bottom of first reflection unit is lower than second reflection unit;Third reflection unit is arranged on the back of first reflection unit and second reflection unit, and at least part is recessed to the direction of ceiling top.

2. The passive daylighting device of claim 1, wherein, The second reflection unit of the former polyhedral light reflection unit is extended to the first reflection unit of the latter polyhedral light reflection unit, or the second reflection unit of the latter polyhedral light reflection unit is extended to the first reflection unit of the former polyhedral light reflection unit.

3. The passive daylighting device of claim 1 or 2, wherein, The first reflection unit and the second reflection unit are arranged vertically.

4. The passive daylighting device of claim 1, wherein, The support unit is provided with a first support bracket fixedly connected with the fixed unit.

5. The passive daylighting device of claim 4, wherein, The support unit is also provided with a second support bracket corresponding to the curtain wall steel beam of ceiling top, one end of which is fixedly connected with the first support bracket, and the other end is fixedly connected with the curtain wall steel beam.

6. The passive daylighting device of claim 5, wherein, The first reflection unit, the second reflection unit and the third reflection unit are all provided with inner support brackets;The inner support brackets of the first reflection unit and the second reflection unit are fixedly connected with the first support bracket at top, and / or the inner support brackets of the first reflection unit and the second reflection unit are fixedly connected with the second support bracket.

7. The passive daylighting device of claim 6, wherein, The polyhedral light reflection unit is provided with a lamp mounting seat away from the ceiling top area, and the lamp mounting seat is used for mounting lamps.

8. The passive daylighting device of claim 7, wherein, One end of the lamp mounting seat is fixedly connected with the inner support bracket of the first reflection unit, and the other end is fixedly connected with the inner support bracket of the third reflection unit.

9. The passive daylighting device of claim 8, wherein, The lamps are selected from surface-mounted downlights or LED light strips.

10. The passive daylighting device of claim 1, wherein, The inside wall surface of the ceiling is fixed with a fixing member, and the fourth reflection unit is fixed on the fixing member.

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