CN217329651U

CN217329651U - Low-fault light source of indirect lighting system

Info

Publication number: CN217329651U
Application number: CN202221025300.1U
Authority: CN
Inventors: 陈镜波; 孟庆晨; 钟丽; 钟维进
Original assignee: Foshan Ruichengyun Intelligent Technology Co ltd
Current assignee: Foshan Ruichengyun Intelligent Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-30
Anticipated expiration: 2032-04-29

Abstract

A light source of a low-fault indirect lighting system comprises a light mixing unit, a shell, a control unit and a light emitting unit; the control unit is installed in the inside of casing, is equipped with the light mixing chamber in the casing, and a plurality of luminescence units are installed in the control unit, and a plurality of luminescence units are connected with the control unit electricity alone respectively, and the control unit is used for controlling luminescence unit's luminance, and a plurality of luminescence units are located the light mixing chamber, and the light mixing unit covers the luminescence unit in the light mixing chamber, and the light that is sent by the luminescence unit passes the light mixing chamber and shines outward behind the light mixing unit. The utility model provides a low indirect lighting system's of trouble light source according to above-mentioned content, certain LED or OLED dead lamp in the light source among the prior art has been solved, then with section LED or OLED all can not bright problem.

Description

Low-fault light source of indirect lighting system

Technical Field

The utility model relates to a light source technical field especially relates to an indirect lighting system's of low trouble light source.

Background

The existing household lighting without a main lamp mainly takes linear light sources such as low-voltage constant-voltage LEDs (direct current) 48V, DC24V and DC12V, or OLED (organic light emitting diode) light bars and light strips as main light sources, and the light efficiency loss is large, for example, 12VDC (direct current), and the loss of the linear light sources is about 25% more than that of the linear light sources in a constant-current mode with the same brightness; if one LED or OLED is dead, the LEDs or OLEDs in the same section are not bright, and the influence on the visual experience is obvious; the existing situation mode, emotion mode and the like can only realize the whole change of light (line and plane control) and can not realize point control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low indirect lighting system's of trouble light source has solved certain LED among the light source among the prior art or OLED dead lamp, then with section LED or OLED all can not bright problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a light source of a low-fault indirect lighting system comprises a light mixing unit, a shell, a control unit and a light emitting unit;

the control unit install in the inside of casing, be equipped with the light mixing chamber in the casing, it is a plurality of the luminescence unit install in the control unit, and it is a plurality of the luminescence unit respectively alone with the control unit electricity is connected, the control unit is used for controlling the luminance of luminescence unit, it is a plurality of the luminescence unit is located the light mixing intracavity, mix the light unit will the luminescence unit cover in the light mixing intracavity, by the light that the luminescence unit sent passes the light mixing chamber with shine outward behind the light mixing unit.

Further, the control unit is used for detecting the voltage and the current of the light emitting unit.

Specifically, the control unit is used for feeding back a bad signal to the remote terminal.

Preferably, the light emitting unit is a constant voltage type LED lamp or a constant voltage type OLED lamp.

Furthermore, the refresh frequency of the light-emitting unit is more than or equal to 2000 Hz.

In some embodiments, the light emitting unit is a constant current type LED lamp or a constant current type OLED lamp.

Further, the light mixing unit is made of a secondary optical lens.

Preferably, the plurality of light emitting units are arranged in the control unit in a dot matrix.

Compared with the prior art, one of the technical schemes has the following beneficial effects:

through light mixing chamber and mixed light unit, the luminance before guaranteeing the light source to damage is unanimous, can not lead to the light source dark space to appear because of certain luminescence unit damages, influences the visual experience of user to the light source, guarantees the operating quality of light source, reduces the fault rate of light source.

Drawings

Fig. 1 is a schematic structural diagram of the present invention without damage to the light emitting unit;

fig. 2 is a schematic structural diagram of the present invention with a damaged light emitting unit according to one embodiment;

wherein: light mixing unit 1, housing 2, light mixing chamber 21, control unit 3, light emitting unit 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inner", "outer end", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In an embodiment of the present invention, as shown in fig. 1-2, a light source of an indirect lighting system with low failure comprises a light mixing unit 1, a housing 2, a control unit 3 and a light emitting unit 4; the control unit 3 install in the inside of casing 2, be equipped with light mixing chamber 21 in the casing 2, it is a plurality of light-emitting unit 4 install in control unit 3, and it is a plurality of light-emitting unit 4 respectively alone with the control unit 3 electricity is connected, control unit 3 is used for control the luminance of light-emitting unit 4, it is a plurality of light-emitting unit 4 is located in the light mixing chamber 2, mix light unit 1 will light-emitting unit cover in the light mixing chamber 2, by the light that light-emitting unit 4 sent passes light mixing chamber 2 with mix light unit 1 and to shine outward. In this embodiment, the light emitting units 4 are LED lamps or OLED lamps, the control unit 3 is an LED driving circuit board or an OLED driving circuit board, a chip is mounted on the LED driving circuit board or the OLED driving circuit board, and the driving requirements for the light emitting units 4 are stored, so that a suitable constant voltage or constant current driving mode can be selected to achieve an optimal efficiency, the light mixing unit 1 is a transparent plate, a fluorescent powder layer covers the inner side of the transparent plate, when the light mixing unit works, the control unit 3 individually controls each light emitting unit 4 to emit light, and after the light emitting units 4 emit light, the light mixing chamber 21 mixes the light, so that the light emitting units 4 can uniformly irradiate the light mixing unit 1, and the light mixing unit 1 can uniformly emit light; when one of the light emitting units 4 is damaged, the control unit 3 controls the rest of the light emitting units 4 to improve the brightness, specifically to improve the brightness of one or more light emitting units 4 adjacent to the damaged light emitting unit 4, and through the light mixing cavity 21 and the light mixing unit 1, the brightness before and after the damage of the light source is ensured to be consistent, so that the dark region of the light source caused by the damage of one light emitting unit 4 is avoided, the visual experience of a user on the light source is not influenced, the working quality of the light source is ensured, and the failure rate of the light source is reduced.

As shown in fig. 1, the control unit 3 is used for detecting the voltage and current of the light emitting unit 4. In this embodiment, the control unit 3 employs an independent LED control circuit or an OLED control circuit with a high refresh rate, and can detect the voltage and current of a single light emitting unit 4, so as to determine whether the LED or the OLED is normal or damaged, and ensure the working quality of the light source.

As shown in fig. 1, the control unit 3 is used to feed back a bad signal to a remote terminal. In this embodiment, after the light emitting unit 4 is damaged, the control unit 3 detects and feeds back a bad signal to the remote terminal, specifically, the control unit 3 is connected with a power supply device, the control unit 3 feeds back the power supply device, and then the power supply device feeds back the bad signal to the remote terminal, in this embodiment, the light source is mainly applied to commercial occasions such as shopping malls, clothing stores and exhibition halls, when the light source is in a problem, because the scheme has a brightness compensation function, even if one or two LEDs or OLEDs are damaged, the overall lighting effect is not affected, and immediate maintenance is not needed, but the control unit 3 can feed back the remote terminal and feed back which area LED or OLED is damaged, so as to inform maintenance personnel and clients of maintaining at an appointed time, and achieve the effect of improving the reliability of the light source.

As shown in fig. 1, the light emitting unit 4 is a constant voltage type LED lamp or a constant voltage type OLED lamp. In this embodiment, it is a plurality of constant voltage type LED lamp plate or constant voltage type OLED lamp plate are constituteed to luminescence unit 4, control unit 3 can be through detecting every the service current of LED lamp or OLED lamp is judged to the voltage value of 4 current-limiting resistor of luminescence unit, constant voltage type LED lamp or constant voltage type OLED lamp can realize unlimited concatenation, make the light source can be applicable to multiple scene, reaches the improvement the effect of light source commonality to can also further reduce the energy consumption.

As shown in FIG. 1, the refresh frequency of the light emitting unit 4 is greater than or equal to 2000 Hz. In this embodiment, the light-emitting unit 4 performs dimming and color mixing by using a refresh frequency of 2000Hz or more, so that discomfort caused by color sense fatigue or flash frequency can be avoided, and the user experience can be improved.

As shown in fig. 1, the light emitting unit 4 is a constant current type LED lamp or a constant current type OLED lamp. In this embodiment, the light emitting units 4 form a constant current type LED lamp panel or a constant current type OLED lamp, and the control unit 3 can control and monitor the current of each LED lamp or OLED lamp in real time to achieve the uniformity of the overall brightness.

As shown in fig. 1, the light mixing unit 1 is made of a secondary optical lens. If the light mixing unit 1 is a PC plate, the PC plate has the advantages of good light transmission, impact resistance, ultraviolet resistance, light weight, flame retardance, flexibility, sound insulation, energy conservation, weather resistance and the like, the light transmittance of the PC plate is up to 92%, and the UV coating plate can not be yellowed and atomized when exposed to sunlight; if the material of mixing light unit 1 is the glass board, the glass board colour is abundant, breaks through traditional planar dull old cover, can satisfy various aesthetic standards to can prevent seepage oil, bleeding and resistant greasy dirt, be favorable to improving mix light unit 1 life's effect.

As shown in fig. 1, the plurality of light emitting units 3 are arranged in a dot matrix in the control unit 3. In this embodiment, the light emitting units 3 are arranged in a dot matrix manner, which is not only convenient for the adjacent light emitting units 3 to perform brightness compensation, but also enables the light source to emit light more uniformly.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light source for a low-fault indirect lighting system, comprising: the LED lamp comprises a light mixing unit, a shell, a control unit and a light emitting unit;

2. The light source of a low fault indirect lighting system of claim 1, wherein: the control unit is used for detecting the voltage and the current of the light-emitting unit.

3. The light source of a low fault indirect lighting system of claim 2, wherein: the control unit is used for feeding back a bad signal to the remote terminal.

4. The light source of a low fault indirect lighting system of claim 1, wherein: the light emitting unit is a constant voltage type LED lamp or a constant voltage type OLED lamp.

5. The light source of a low fault indirect lighting system of claim 1, wherein: the refresh frequency of the light-emitting unit is more than or equal to 2000 Hz.

6. The light source of a low-fault indirect lighting system of claim 1, wherein: the light emitting unit is a constant current type LED lamp or a constant current type OLED lamp.

7. The light source of a low fault indirect lighting system of claim 1, wherein: the light mixing unit is made of a secondary optical lens.

8. The light source of a low fault indirect lighting system of claim 1, wherein: the light-emitting units are arranged on the control unit in a dot matrix manner.