Illuminating device and illuminating system

Abstract

The utility model discloses a lighting device which comprises a device body and a light-emitting device, and the device body comprises a light-emitting plate, a light-emitting cover and a shell. The light-emitting plate is installed on the periphery of the inner side of the light-emitting cover, and the shell is located below the light-emitting cover and fixed to the light-emitting cover. The light-emitting device comprises a plurality of light-emitting units, the light-emitting units are installed in the device body at a certain inclination angle, light beams emitted by the light-emitting units irradiate the light-emitting plate, and therefore the Rayleigh scattering effect is achieved on the light-emitting plate. A certain inclination angle is set for the light emitting unit, so that light beams can be inclined, discomfort caused by looking up light of people is avoided, and the dazzling problem is avoided to the greatest extent.

Description

Technical Field

[0001] The utility model relates to the technical field of optics, in particular to a lighting device and a lighting system. Background Art

[0002] The existing office environment has lighting to facilitate people's work. However, there are also the following problems: some lighting lights are too dim, affecting normal reading, some lighting lights are too bright, causing dizziness to the human eye, and the single white light color does not meet the aesthetic needs. Utility Model Content

[0003] The purpose of the utility model is to provide a lighting device and a lighting system to alleviate the lighting discomfort problem currently caused by people using lamps.

[0004] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] One aspect relates to a lighting device, comprising: a device body, a light-emitting device,

[0006] The device body comprises: a light emitting plate, a light emitting cover, and a shell; the light emitting plate is installed around the inner side of the light emitting cover, and the shell is located below the light emitting cover and fixed to the light emitting cover;

[0007] The light emitting device comprises a plurality of light emitting units, which are installed inside the device body at a certain tilt angle, and the light beams emitted by the light emitting units are irradiated onto the light emitting plate, thereby presenting a Rayleigh scattering effect on the light emitting plate.

[0008] Preferably, the light emitting device further comprises a fixing bar and a receiving cavity, the fixing bar is provided with a plurality of the receiving cavities, the receiving cavities are used to receive and place the light emitting units, and the receiving cavities correspond to the light emitting units one by one.

[0009] Preferably, the light emitting unit comprises a light source, a light guide plate and a lens;

[0010] The light guide plate is located between the light source and the lens, and the light beam emitted from the light source to the light guide plate is emitted through the lens.

[0011] Preferably, the light emitting unit further comprises: reflective paper, wherein the reflective paper is located between the light guide plate and the lens.

[0012] Preferably, the light emitting unit further comprises: a diffusion plate, wherein the diffusion plate is located between the light guide plate and the lens.

[0013] Preferably, the light emitting plate is made of acrylic material.

[0014] Preferably, the lighting device further comprises: a power supply device electrically connected to the light-emitting device, for supplying power to the light-emitting device.

[0015] Preferably, the lighting device further comprises: a light absorbing cloth, and the light absorbing cloth is arranged on the inner side or bottom surface of the device body.

[0016] Preferably, the light-absorbing cloth is made of flannel.

[0017] Another aspect relates to a lighting system, comprising: the lighting device described above.

[0018] Compared with the prior art, the beneficial effect of the present invention is that the light beam can be tilted by setting a certain tilt angle for the light emitting unit, thereby preventing people from feeling uncomfortable when looking up at the light and avoiding the glare problem to the greatest extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of the lighting device of the utility model

[0021] Figure 2 This is a schematic diagram of the structure of the light emitting device of the utility model

[0022] Figure 3 This is a side view of the light-emitting unit of the utility model.

[0023] In the figure, 1, light output plate; 2, light output cover; 3, housing; 4, light emitting unit; 5, fixing bar; 6, accommodating cavity; 7, light source; 8, light guide plate; 9, lens DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings of the present invention to clearly and completely describe the technical solutions in multiple embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] the term

[0026] Rayleigh scattering effect: It is an optical phenomenon and a type of scattering. It is also called "molecular scattering". When the particle size is much smaller than the wavelength of the incident light (less than one tenth of the wavelength), the intensity of the scattered light in each direction is different, and the intensity is inversely proportional to the fourth power of the wavelength of the incident light. This phenomenon is called Rayleigh scattering.

[0027] Example 1

[0028] This embodiment provides a lighting device, including: a device body and a light-emitting device. The device body includes: a light output plate 1, a light output cover 2, and a shell 3; the light output plate 1 is installed around the inner side of the light output cover 2, and the shell 3 is located below the light output cover 2 and fixed to the light output cover 2.

[0029] In this embodiment, a fixing portion is provided around the inner side of the light emitting cover 2, and the light emitting plate 1 is installed on the fixing portion.

[0030] The light emitting device comprises a plurality of light emitting units 4 , which are installed inside the device body at a certain tilt angle. Light beams emitted by the light emitting units 4 are irradiated onto the light emitting plate 1 , thereby presenting a Rayleigh scattering effect on the light emitting plate 1 .

[0031] In this embodiment, the light-emitting unit 4 is installed inside the device body at a certain inclination angle. The light-emitting unit 4 can be installed on the side wall inside the device body at a certain inclination angle, or a side wall inside the device body forms a certain angle with the bottom wall of the device body, and the light-emitting unit 4 is installed on the side wall.

[0032] In this embodiment, the light beam can be tilted by setting a certain tilt angle for the light emitting unit 4, thereby preventing people from feeling uncomfortable when looking up at the light and avoiding glare problems to the greatest extent. The light beam emitted by the light emitting unit 4 is irradiated onto the light emitting plate 1, thereby presenting a Rayleigh scattering effect on the light emitting plate 1, thereby meeting aesthetic requirements.

[0033] Example 2

[0034] This embodiment is further expanded on the basis of Embodiment 1. In this embodiment, the light-emitting device further includes a fixing bar 5 and a receiving cavity 6. A plurality of receiving cavities 6 are provided on the fixing bar 5. The receiving cavities 6 are used to receive and place the light-emitting units 4. The receiving cavities 6 correspond one to one with the light-emitting units 4.

[0035] In this embodiment, the fixing bar 5 is installed on an inner wall of the device body, and a plurality of accommodating cavities 6 are provided on the fixing bar 5. The accommodating cavities 6 can be grooves. By installing the bottom surface of the light-emitting unit 4 in the groove, the accommodating cavity 6 can accommodate the light-emitting unit 4.

[0036] In this embodiment, the light-emitting unit 4 includes a light source 7, a light guide plate 8 and a lens 9. The light guide plate 8 is located between the light source 7 and the lens 9. The light beam emitted by the light source 7 to the light guide plate 8 is emitted through the lens 9. The light source 7 can be an LED, an OLED, etc., and there is no limitation on this. The light guide plate 8 is made of acrylic material with good light transmittance. Other materials that can achieve the same effect are also applicable, and there is no limitation on this.

[0037] In addition, a reflective paper may be provided between the light guide plate 8 and the lens 9. The reflective paper is made of PET material and can improve the brightness. A diffusion plate may be provided between the light guide plate 8 and the lens 9. The diffusion plate is made of PS material and can have a softening effect. Other materials that can achieve the same effect may be applicable without limitation.

[0038] In this embodiment, the white light emitted by the light source 7 passes through the light guide plate 8 and the lens 9 and irradiates the light output plate 1 made of acrylic material. The tiny particles in the acrylic material will cut off the blue light in the white light component, causing it to scatter on the surface of the light output plate 1, so that the surface of the light output plate 1 finally presents a blue sky effect.

[0039] In addition, the lighting device further comprises: a power supply device electrically connected to the light emitting device, for supplying power to the light emitting device.

[0040] The lighting device also includes: a light-absorbing cloth, which is arranged on the inner side or bottom surface of the device body. The light-absorbing cloth is made of velvet and can prevent light from being reflected.

[0041] Example 3

[0042] This embodiment provides a lighting system, comprising the lighting device of any of the above embodiments.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lighting device, characterized in that: include: Device body, light-emitting device, The device body comprises: a light output plate, a light output cover, and a shell; The light output plate is installed around the inner side of the light output cover, and the shell is located below the light output cover and fixed to the light output cover; The light emitting device comprises a plurality of light emitting units, which are installed inside the device body at a certain tilt angle, and the light beams emitted by the light emitting units are irradiated onto the light emitting plate, thereby presenting a Rayleigh scattering effect on the light emitting plate.

2. The lighting device according to claim 1, characterized in that: The light emitting device further comprises a fixing bar and a receiving cavity. The fixing bar is provided with a plurality of the receiving cavities. The receiving cavities are used to receive and place the light emitting units. The receiving cavities correspond to the light emitting units one by one.

3. The lighting device according to claim 1, characterized in that: The light emitting unit comprises a light source, a light guide plate and a lens; The light guide plate is located between the light source and the lens, and the light beam emitted from the light source to the light guide plate is emitted through the lens.

4. The lighting device according to claim 3, characterized in that: The light emitting unit further includes: reflective paper, and the reflective paper is located between the light guide plate and the lens.

5. The lighting device according to claim 3, characterized in that: The light emitting unit further includes a diffusion plate, and the diffusion plate is located between the light guide plate and the lens.

6. The lighting device according to claim 1, characterized in that: The light emitting plate is made of acrylic material.

7. The lighting device according to claim 1, characterized in that: The lighting device further comprises: a power supply device electrically connected to the light emitting device, for supplying power to the light emitting device.

8. The lighting device according to claim 1, characterized in that: The lighting device further comprises: a light absorbing cloth, and the light absorbing cloth is arranged on the inner side or bottom surface of the device body.

9. The lighting device according to claim 8, characterized in that: The light-absorbing cloth is made of flannel.

10. A lighting system, characterized in that: include: The lighting device according to any one of claims 1 to 9.

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