CN218182699U

CN218182699U - Laser lighting device

Info

Publication number: CN218182699U
Application number: CN202222596378.5U
Authority: CN
Inventors: 梁志远; 张观文; 吴仕忠
Original assignee: PR Lighting Ltd
Current assignee: PR Lighting Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-30
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a laser lighting device, which comprises a shell, a laser module, a heater, a light source driving board, a radiator and a supporting board; the supporting plate is arranged on the shell and is enclosed with the shell to form a laser cavity; the light source driving board and the heater are both installed on the laser module, the laser module is located in the laser cavity and installed on one end face of the supporting plate, and the radiator is installed on the other end face of the supporting plate. The utility model discloses can realize the regulation of temperature, improve laser lighting device's life.

Description

Laser lighting device

Technical Field

The utility model belongs to the technical field of lamps and lanterns, concretely relates to laser lighting device.

Background

Laser lighting devices are generally classified into industrial laser lighting devices and entertainment laser lighting devices, and the principle of the laser lighting devices is that a YAG solid-state laser is used, krypton lamps and Nd: the YAG crystal rod produces a laser beam that, by frequency conversion, produces visible green light. The galvanometer is controlled by a computer to deflect at a high speed so as to form beautiful characters or figures, so that the laser lighting device is commonly used in theaters, night clubs, dance halls, outdoor advertisements, landmarks and the like, and is also used for shop advertisements.

The influence of temperature to laser lighting device is very obvious, and below the low temperature zero degree, the light source of laser module is lighted and fluorescence colour wheel motor starts all to be influenced, and the temperature is too low can cause fluorescence colour wheel motor to start to be obstructed and can not normally rotate, and the light source is lighted also can be difficult, if the light source has lighted and fluorescence colour wheel motor can not normally rotate will burn out the fluorescence colour wheel, the fluorescence colour wheel burns out and will seriously influence the light-emitting effect. The motor of the fluorescent color wheel is easy to burn out at high temperature, the temperature of the laser lighting device is difficult to adjust by the existing laser lighting device, the laser lighting device is easy to damage, and the service life of the laser lighting device is short.

Disclosure of Invention

An object of the utility model is to provide a laser lighting device, the utility model discloses can realize the regulation of temperature, improve laser lighting device's life.

The laser lighting device comprises a shell, a laser module, a heater, a light source driving board, a radiator and a supporting board; the supporting plate is arranged on the shell and is enclosed with the shell to form a laser cavity;

the light source driving board and the heater are both installed on the laser module, the laser module is located in the laser cavity and installed on one end face of the supporting plate, and the radiator is installed on the other end face of the supporting plate.

Further, the housing is provided with a laser channel, and the housing and the inner wall of the laser channel jointly enclose to form a laser cavity.

Furthermore, the laser module comprises a fixed shell, a fluorescent color wheel, a motor and a light source; the heater is mounted on the stationary case.

Further, the laser lighting device further comprises a controller; the fluorescent color wheel, the motor and the light source are respectively electrically connected with the controller.

Further, a thermistor is arranged on the light source and electrically connected with the controller.

Further, the laser lighting device also comprises a heat radiation fan; the heat radiation fan is arranged on the supporting plate and is opposite to the radiator.

Further, the radiator is located between the heat radiation fan and the supporting plate.

Further, the laser lighting device also comprises a fan cover; the fan cover and the supporting plate are enclosed to form a heat dissipation space, a plurality of ventilation holes are distributed at intervals on the fan cover, the ventilation holes are communicated with the heat dissipation space, and the radiator and the heat dissipation fan are located in the heat dissipation space.

Further, the radiator comprises a plurality of radiating fins which are arranged on the supporting plate at intervals.

Further, the light source driving board and the heater are both mounted on the laser module through threaded fasteners.

The utility model provides a technical scheme has following advantage and effect:

the utility model discloses a laser module can preheat through the heater, and the effectual guarantee is luminous at the light source normal start of laser module below the zero degree, preheats more than the zero degree when the temperature, can start fluorescence colour wheel, motor, light source completely and light, and later the heater closes. When the temperature is too high after the fluorescent color wheel, the motor and the light source are completely started, the temperature of the laser module is prevented from being too high through the radiator, and the fluorescent color wheel and the motor are prevented from being burnt.

Drawings

FIG. 1 is an exploded view of a laser lighting device;

FIG. 2 is a schematic diagram showing the connection of the laser module, the heater and the light source driving board;

fig. 3 is an exploded view of fig. 2.

Description of reference numerals:

10. a housing;

20. a laser module;

30. a heater;

40. a light source driving board;

50. a heat sink; 51. heat dissipation fins; 52. a heat transfer tube;

60. a support plate;

70. a heat radiation fan;

80. a fan guard.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Unless otherwise specified or defined, in the description of the present invention, it is to be understood that the terms "first", "second", and the like are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, the "first" information may also be referred to as "second" information, and similarly, the "second" information may also be referred to as "first" information, without departing from the scope of the invention.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

For convenience of description, the up-down direction described below coincides with the up-down direction of fig. 1 itself.

As shown in fig. 1 to 3, a laser lighting device includes a housing 10, a laser module 20, a heater 30, a light source driving board 40, a heat sink 50, a supporting board 60; the support plate 60 is mounted on the housing 10 and encloses a laser cavity with the housing 10.

The light source driving board 40 and the heater 30 are both mounted on the laser module 20, the laser module 20 is located in the laser cavity and mounted on one end face of the supporting board 60, and the heat sink 50 is mounted on the other end face of the supporting board 60. When the temperature is lower than zero, the heater 30 is started to preheat, the light source of the laser module 20 is started to light up with small power after being preheated for a certain time, the power is gradually increased, the light source is used for auxiliary heating until the light source is started with full power, the heat of the laser module 20 is increased quickly, and the heating time is shortened. The ambient temperature below zero is different, the heating time is different, and the heating time is longer as the ambient temperature is lower. After the temperature is preheated to above zero, the fluorescent color wheel, the motor, and the light source may be completely turned on, and then the heater 30 is turned off. Therefore, the normal starting and light emitting of the laser module 20 light source system below zero can be effectively guaranteed. This application utilizes heater 30 and light source to light self and generates heat and makes whole laser module 20 can rapid heating up to more than zero simultaneously for laser module 20 can normally work, and when laser module 20 operation certain time, radiator 50 can accelerate the heat dissipation, avoids laser module 20 high temperature. Therefore, the laser lighting device can prevent the damage of the laser module 20 caused by overhigh and overlow temperature.

Specifically, in some embodiments, the housing 10 has a laser channel, and the housing 10 and an inner wall of the laser channel jointly enclose to form the laser cavity. The laser channel runs through the shell 10 from top to bottom, and the shell 10 is installed with the light subassembly of laser module 20 adaptation, and laser module 20 sends laser through light subassembly. The laser module 20, the heater 30 and the light source driving board 40 are all located in the laser cavity to prevent damage, and the supporting board 60 is installed at the lower end of the housing 10 to play a role in sealing.

Specifically, in some embodiments, the laser module 20 includes a fixing housing, a fluorescent color wheel, a motor, and a light source; the heater 30 is mounted on the stationary case. The fluorescent color wheel, the motor and the light source are respectively arranged on the fixed shell, the heater 30 is arranged on the fixed shell, the fixed shell is made of aluminum, the heat conducting performance is good, the heat energy generated by the heater 30 is transmitted to the fluorescent color wheel and the motor through the fixed shell until the temperature reaches above zero, and the fluorescent color wheel and the motor are prevented from being burnt when the temperature is below zero.

Specifically, in some embodiments, the laser lighting device further comprises a controller. The controller is provided on the light source driving board 40. The fluorescent color wheel, the motor and the light source are respectively electrically connected with the controller. And when the temperature is above zero, the controller controls the fluorescent color wheel and the motor to be started.

Specifically, in some embodiments, a thermistor is disposed on the light source, and the thermistor is electrically connected to the controller. The light source has a thermistor which can detect and feed back to the controller on the light source driving board 40, and the controller can obtain the temperature through calculation and then control the lighting of the light source.

Specifically, in some embodiments, the laser lighting device further includes a heat dissipation fan 70; the heat dissipation fan 70 is mounted on the support plate 60 and disposed opposite to the heat sink 50. The heat dissipation fan 70 can blow air toward the heat sink 50, thereby improving the heat dissipation effect of the heat sink 50.

Specifically, in some embodiments, the heat sink 50 is located between the heat dissipation fan 70 and the support plate 60. The heat dissipation fan 70 blows air upward and then dissipates heat from the periphery of the heat sink 50.

Specifically, in some embodiments, the laser lighting device further includes a fan guard 80; the fan guard 80 is mounted on the housing 10 or the support plate 60, and the fan guard 80 can effectively protect the heat dissipation fan 70. The fan cover 80 and the supporting plate 60 enclose to form a heat dissipation space, a plurality of ventilation holes are distributed at intervals on the fan cover 80, and the fan cover 80 is in a grid shape. Each the ventilation hole all with the heat dissipation space intercommunication, radiator 50 heat dissipation fan 70 all is located in the heat dissipation space, the heat distributes to the air through the ventilation hole.

Specifically, in some embodiments, the heat sink 50 includes a plurality of heat dissipation fins 51 spaced apart from each other on the support plate 60. The heat dissipation fins 51 are connected to the light source of the laser module 20 through the heat conduction pipes 52, and when the temperature of the light source of the laser module 20 is too high, the heat of the light source is transferred to the heat dissipation fins 51 through the heat conduction pipes 52 and dissipated to the air, thereby avoiding the influence on the service life of the fluorescent color wheel and the motor due to the too high temperature of the light source of the laser module 20.

Specifically, in some embodiments, there are a plurality of heaters 30, and the light source driving board 40 and the heaters 30 are both mounted on the laser module 20 through threaded fasteners, so that the light source driving board 40 and the heaters 30 can be quickly mounted.

In general, the scheme has simple structure and strong operability, avoids the lighting of a light source under low temperature and zero temperature of the environment and the starting of the fluorescent color wheel and the motor from being influenced, and also avoids the service lives of the fluorescent color wheel and the motor with overhigh temperature. The lamp can be used in indoor and outdoor lamps, landscapes, architectural lighting lights or similar products. The LED lamp is suitable for all lamps (including lamps with traditional light sources and lamps with LED light sources) and all lamps needing to be solved below zero.

The above embodiments are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the concept of the utility model belong to the protection scope of the utility model.

Claims

1. The laser lighting device is characterized by comprising a shell, a laser module, a heater, a light source driving plate, a radiator and a supporting plate; the supporting plate is arranged on the shell and jointly surrounds the shell to form a laser cavity;

2. The laser illumination device of claim 1, wherein the housing has a laser channel, and the housing and an inner wall of the laser channel cooperatively enclose the laser cavity.

3. The laser lighting device of claim 1, wherein the laser module comprises a fixed shell, a fluorescent color wheel, a motor and a light source; the heater is installed on the fixing case.

4. The laser lighting device of claim 3, further comprising a controller; the fluorescent color wheel, the motor and the light source are respectively electrically connected with the controller.

5. The laser lighting device of claim 4, wherein a thermistor is disposed on the light source, and the thermistor is electrically connected to the controller.

6. The laser lighting device according to any one of claims 1 to 5, further comprising a heat radiation fan; the heat radiation fan is arranged on the supporting plate and is opposite to the radiator.

7. The laser lighting device of claim 6, wherein the heat sink is located between the heat dissipation fan and the support plate.

8. The laser lighting device of claim 6 further comprising a fan guard; the fan cover and the supporting plate are enclosed to form a heat dissipation space, a plurality of ventilation holes are distributed at intervals on the fan cover, the ventilation holes are communicated with the heat dissipation space, and the radiator and the heat dissipation fan are located in the heat dissipation space.

9. The laser lighting device as claimed in any one of claims 1 to 5, wherein the heat sink comprises a plurality of heat dissipating fins spaced apart from each other on the supporting plate.

10. The laser lighting device according to any one of claims 1 to 5, wherein the light source driving board and the heater are mounted on the laser module by means of threaded fasteners.