LED lighting device with laser projection function

Abstract

This utility model discloses an LED lighting device with laser projection function, belonging to the technical field of LED lighting devices. It includes a housing and a mounting base disposed within the housing. A lighting panel and a laser generator are mounted on the mounting base. When powered on, the lighting panel and the laser generator have the same illumination direction and emit light from within the housing. A side light panel is mounted on the mounting base, and the housing has side-transmitting holes to allow light from the side light panel to escape. This utility model integrates an LED lighting module and a laser module, and expands the product's functionality through the lateral lighting of the side light panel. The modules are compatible with each other, resulting in better synergy during use. By setting up a laser generator to produce directional laser light, users can obtain more precise lighting direction, quickly illuminating a specific area and solving the problems of inaccurate lighting and unclear directionality.

Description

Technical Field

[0001] This utility model relates to the technical field of LED lighting devices, and more specifically, to an LED lighting device with laser projection function. Background Technology

[0002] When people are engaged in outdoor activities at night, they need to use outdoor lighting equipment such as flashlights, high-powered flashlights, and headlamps. These outdoor lighting devices are portable and practical, making them effective tools for people to engage in outdoor recreation or production activities.

[0003] However, existing outdoor lighting equipment suffers from limited functionality and poor versatility. Furthermore, the unclear direction of the light path often makes it difficult to precisely determine the lighting location, preventing users from quickly illuminating a specific area and resulting in a poor user experience. In addition, existing outdoor lighting equipment is prone to light path interference, and suffers from rudimentary control and poor reliability. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an LED lighting device with laser projection function, which solves the problems of limited functionality, inaccurate lighting position, and easy light path interference in existing lighting equipment.

[0005] This utility model discloses an LED lighting device with laser projection function, including a housing and a mounting base disposed within the housing. A lighting panel and a laser generator are mounted on the mounting base. When the lighting panel and the laser generator are powered on, they have the same irradiation direction and emit light from inside the housing. A side light panel is mounted on the mounting base, and a side light-transmitting hole is provided on the housing to allow light from the side light panel to be emitted.

[0006] Preferably, the mounting base includes a structural plate and multiple positioning plates. A side lamp groove is formed on one surface of the structural plate, and the side lamp plate is installed in the side lamp groove. The multiple positioning plates divide the surface of the structural plate opposite to the side lamp groove into several areas, including a lighting installation area and a laser installation area. The lighting lamp plate is disposed in the lighting installation area, and the laser generator is disposed in the laser installation area. The positioning plates and the structural plate are used to isolate the light from the side lamp groove, the lighting installation area, and the laser installation area to avoid optical path interference.

[0007] Preferably, an electric motor is installed in the laser mounting area, the output shaft of the electric motor is parallel to the irradiation direction of the laser generator, a light-transmitting plate is installed on the output shaft of the electric motor, the light-transmitting plate is circular and offset from the laser generator, a projection pattern is preset on the light-transmitting plate, and the light from the laser generator passes through the light-transmitting plate and is emitted from the housing to project the projection pattern on the light-transmitting plate outward.

[0008] Preferably, the housing has a front opening, and a front cover for closing the front opening is installed at the front opening. The front cover has an illumination hole and a laser hole. The light from the illumination panel is emitted from the illumination hole, and the light from the laser generator is emitted from the illumination hole.

[0009] Preferably, an illumination limiting cylinder is provided on the inner side of the illumination hole facing the front opening, and an illumination lens for focusing light is installed inside the illumination limiting cylinder, with the light-emitting surface of the illumination lens facing the outer side of the illumination hole; a laser limiting cylinder is provided on the inner side of the laser hole facing the front opening, and a laser lens for focusing and collimating laser light is installed inside the laser limiting cylinder, with the light-emitting surface of the laser lens facing the outer side of the laser hole.

[0010] Preferably, the area includes a control mounting area, in which a control board is installed. The control board is electrically connected to the side light panel, the lighting panel, the laser generator, and the motor for control. The control board integrates a button module, and the housing has a pressing hole corresponding to the button module. The button module is equipped with a control button, which protrudes partially from the pressing hole to the outside of the housing for easy pressing and triggering.

[0011] Preferably, the area includes a battery mounting area in which a battery assembly is installed. The battery assembly is electrically connected to the control board so that the control board can distribute power to the side light panel, the lighting panel, the laser generator, and the motor.

[0012] Preferably, the control board integrates a charging module, and the housing has a charging hole corresponding to the charging module so that the charging module can be connected to the power cord through the charging hole.

[0013] Preferably, the housing has a rear opening, the battery mounting area is adjacent to the rear opening, and a rear cover for closing the rear opening is installed at the rear opening.

[0014] Preferably, the rear cover includes a rear baffle and a magnetic mounting base installed on the surface of the rear baffle, the magnetic mounting base being used to magnetically attach the rear cover to the rear opening.

[0015] Beneficial effects:

[0016] It integrates LED lighting modules and laser modules, and expands the product's functionality through side lighting on the side light panel. The modules are compatible with each other and work together better. By setting up a laser generator to produce directional lasers, users can obtain more precise lighting direction and quickly illuminate a specific area, solving the problems of inaccurate lighting and unclear direction. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of Example 1, from a first-person perspective;

[0019] Figure 2 This is a schematic diagram of the overall structure of Example 1, from a second perspective;

[0020] Figure 3 This is an exploded view of Example 1, used to show the positional relationship between the housing, front cover, rear cover, and side light panel;

[0021] Figure 4 This is a schematic diagram showing the positional relationship between the mounting base, lighting fixture, control board, laser mounting base, and battery assembly in Embodiment 1, from a first-person perspective.

[0022] Figure 5 This is a schematic diagram of the laser mounting base and related structures in Example 1;

[0023] Figure 6 This is a schematic diagram of the positional relationship between the mounting base, lighting fixture, control board, laser mounting base, and battery assembly in Embodiment 1, from a second perspective.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Housing; 11. Side light-transmitting hole; 12. Side light-transmitting panel; 13. Pressing hole; 14. Front opening; 15. Rear opening; 16. Charging port;

[0026] 2. Front cover; 21. Front baffle; 22. Front limiting plate; 23. Illumination hole; 24. Laser hole; 25. Illumination limiting cylinder; 26. Laser limiting cylinder; 27. Illumination lens; 28. Laser lens;

[0027] 3. Rear cover; 31. Rear baffle; 32. Magnetic mounting base;

[0028] 4. Mounting base; 41. Structural plate; 411. Connecting base; 42. Positioning plate; 43. Side light trough; 44. Side light panel; 45. Control mounting area; 46. Lighting mounting area; 47. Laser mounting area; 48. Battery mounting area;

[0029] 5. Lighting fixture; 51. Lighting panel; 52. Light-emitting component;

[0030] 6. Control board; 61. Mounting holes; 62. Button module; 63. Control buttons; 64. Charging module;

[0031] 7. Laser mounting base; 71. Motor mounting slot; 72. Generator slot; 73. Laser generator; 74. Motor; 75. Transmitting sheet;

[0032] 8. Battery assembly. Detailed Implementation

[0033] To further understand the content, features, and effects of this utility model, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings:

[0034] Example 1

[0035] Reference Figure 1-6 The LED lighting device with laser projection function disclosed in Embodiment 1 includes a housing 1, which is a rectangular cavity structure. The housing 1 has a front opening 14 and a rear opening 15 at both ends along its length. A front cover 2 is installed at the front opening 14, and a rear cover 3 is installed at the rear opening 15. The front cover 2 and the rear cover 3 are used to close the two openings of the housing 1, respectively. A side-transmitting light hole 11 is provided on one side of the housing 1. The side-transmitting light hole 11 is a rectangular through hole for light to pass through. A side-transmitting light plate 12 is installed at the side-transmitting light hole 11. The side-transmitting light plate 12 has the same shape as the side-transmitting light hole 11 and is made of transparent material, which can maintain the integrity and sealing of the housing 1 structure while allowing light to pass through. In this embodiment, the housing 1 is made of aluminum alloy, and its surface is treated with a sandblasting and oxidation process, which can improve the user experience.

[0036] The front cover 2 includes an integrally formed front baffle 21 and a front limiting plate 22. The front baffle 21 is a rectangular plate with an area slightly larger than the front opening 14, and its edge abuts against the edge of the front opening 14 to keep the front opening 14 sealed. The front limiting plate 22 is integrally mounted on the surface of the front baffle 21 located inside the front opening 14. The front limiting plate 22 is perpendicular to the front baffle 21 and forms a closed rectangular structure. The front limiting plate 22 is inserted into the front opening 14, and there is an interference fit between the front limiting plate 22 and the inner wall of the front opening 14, so that the front cover 2 can be firmly sealed in the front opening 14. The inner surface of the front baffle 21 abuts against the edge of the front opening 14, which acts as a stop to prevent the front cover 2 from being pressed into the front opening 14. The front baffle 21 has openings... The device includes an illumination hole 23 and a laser hole 24. In this embodiment, both the illumination hole 23 and the laser hole 24 are circular through holes, with the diameter of the illumination hole 23 being larger than that of the laser hole 24 to accommodate different lighting needs. In addition, an illumination limiting cylinder 25 is integrally provided on the surface of the front baffle 21 located inside the front opening 14. The illumination limiting cylinder 25 is a cylinder with openings at both ends and is coaxially corresponding to the illumination hole 23, used for installing related lighting components. A laser limiting cylinder 26 is also integrally provided on the surface of the front baffle 21 located inside the front opening 14. The laser limiting cylinder 26 is a cylinder with openings at both ends, with its axis parallel to the axis of the illumination limiting cylinder 25 and coaxially corresponding to the laser hole 24, used for installing related laser generating components.

[0037] The rear cover 3 includes a rear baffle 31 and a magnetic base 32 mounted on the surface of the rear baffle 31. The rear baffle 31 is a rectangular plate with an area slightly larger than the rear opening 15. Its edge abuts against the edge of the rear opening 15 to keep the rear opening 15 sealed. The magnetic base 32 is disposed on the surface of the rear baffle 31 located inside the rear opening 15. The magnetic base 32 is inserted into the rear opening 15. A magnetic structure for attracting the magnetic base 32 is provided in the housing 1 near the rear opening 15. When the rear cover 3 is installed in the rear opening 15, the magnetic base 32 is attracted by the magnetic structure and thus stably connected to the rear opening 15. The user can easily open and close the rear cover 3.

[0038] The housing 1 has an internal mounting base 4 for providing a mounting position for the component. The mounting base 4 is rectangular in shape and arranged along the length of the housing 1. Specifically, the mounting base 4 includes a rectangular structural plate 41, which is parallel to the side of the housing 1 with the side light-transmitting hole 11. A side lamp groove 43 is formed on the surface of the structural plate 41 facing the side light-transmitting hole 11. The side lamp groove 43 is a rectangular recess, and a side lamp plate 44 is installed within the side lamp groove 43. The shape of the side lamp plate 44 matches the side lamp groove 43. In this embodiment, the side lamp plate 44 is preferably... The device uses an LED circuit board with integrated driver circuitry. Multiple LED beads are integrated on the side light panel 44. These LED beads include, but are not limited to, high color rendering COB LED beads and RGB LED beads of white, blue, red or other colors, which can ensure uniform light output. The side light panel 44 can emit light after being powered on. The light is emitted from the side light-transmitting hole 11 through the side light-transmitting plate 12. The side light panel 44 has a large light-emitting area and is suitable for close-range, wide-area lighting, which expands the lighting function of the product. Users can turn the side light panel 44 on or off as needed and can customize the lighting mode and light effect of the side light panel 44.

[0039] A plurality of positioning plates 42 are provided on the side of the structural plate 41 opposite to the side light-transmitting hole 11. The positioning plates 42 are integrally formed with the structural plate 41 and perpendicular to the surface of the structural plate 41. The positioning plates 42 divide the surface of the structural plate 41 opposite to the side light-transmitting hole 11 into a plurality of areas. Specifically, in this embodiment, the above-mentioned areas include a control mounting area 45, a lighting mounting area 46, a laser mounting area 47, and a battery mounting area 48. Thus, the positioning plates 42 and the structural plate 41 can isolate the light from the side light groove 43, the lighting mounting area 46, and the laser mounting area 47 to avoid light path interference. The lighting mounting area 46 and the laser mounting area 47 are close to the front opening 14 of the housing 1, while the battery mounting area 48 is close to and faces the rear opening 15 of the housing 1. The control mounting area 45 is located between the laser mounting area 47 and the battery mounting area 48.

[0040] Specifically, a lighting fixture 5 is installed in the lighting installation area 46. The lighting fixture 5 has a cuboid structure and is used to provide an installation position for the lighting components. A lighting board 51 is installed on the lighting fixture 5. A light-emitting element 52 is provided on the lighting board 51. The light-emitting element 52 faces the lighting hole 23 and corresponds to the lighting hole 23. Its illumination direction is perpendicular to the illumination direction of the side lamp plate 44. In this embodiment, the lighting board 51 is preferably an LED circuit board with an integrated driving circuit, and the light-emitting element 52 is preferably a light-emitting diode. After the lighting board 51 is powered on, the light-emitting element 52 can emit light, and the light shines from the lighting hole 23. The light is emitted for illumination. To improve the focusing effect, an illumination lens 27 is installed inside the illumination limiting cylinder 25. The illumination lens 27 and the light-emitting element 52 are aligned front and back along the axis of the illumination limiting cylinder 25. The light-emitting surface of the illumination lens 27 faces the outside of the illumination hole 23. The illumination lens 27 is an optical lens including but not limited to total internal reflection lens, convex lens, Fresnel lens, and aspherical lens. It can reduce light scattering, make the light more focused, the illumination distance longer, and the illumination brightness higher. The illumination panel 51 and the light-emitting element 52 are suitable for long-distance illumination. Users can turn the illumination panel 51 on or off as needed.

[0041] A laser mounting base 74 is installed within the laser mounting area 47. The laser mounting base 74 consists of two integrally connected cuboid bases. The laser mounting base 74 has a motor mounting slot 71 and a generator slot 72. Both the motor mounting slot 71 and the generator slot 72 are cylindrical holes. The axes of the motor mounting slot 71 and the generator slot 72 are parallel to the length direction of the housing 1 and parallel to the irradiation direction of the light-emitting element 52. A motor 74 is installed in the motor mounting slot 71, and a laser generator 73 is installed in the generator slot 72. The laser emission direction of the laser generator 73 faces outwards from the laser hole 24, and the laser generated after being powered on can be emitted from the laser hole 24. The output shaft of the motor 74 is parallel to the axis of the laser limiting cylinder 26, but eccentrically positioned. A circular light-transmitting plate 75 is installed on the output shaft of the motor 74. The light from the laser generator 73 passes through the light-transmitting plate 75 and is emitted from the laser hole 24. In this embodiment, the light-transmitting plate 75 is a diffractive optical element that transmits light... The material of the light-transmitting sheet 75 includes, but is not limited to, optical-grade polycarbonate, optical glass, or fused silica. Multiple projection patterns are pre-set along the circumference of the light-transmitting sheet 75, each pattern located within an independent division interval. After the laser passes through the light-transmitting sheet 75, it can project a pattern corresponding to the pattern on the light-transmitting sheet 75 at the irradiation position. The rotation of the motor 74, when energized, can drive the light-transmitting sheet 75 to rotate, so that the patterns in different division intervals on the light-transmitting sheet 75 correspond to the laser generator 73, thereby enabling the laser irradiation to produce multiple different patterns. In this embodiment, the motor 74 is a motor capable of speed regulation via PWM (Pulse Width Modulation), including but not limited to a DC brushed motor, a DC brushless motor, or a stepper motor. Under PWM control, the motor 74 can achieve forward and reverse rotation at a specific speed, as well as intermittent rotation, and can achieve any combination of rotation at a specific angle, pause, and rotation at a specific angle, allowing the user to flexibly and efficiently control the patterns generated by the laser projection.

[0042] To improve the focusing effect of the laser, a laser lens 28 is installed inside the laser limiting cylinder 26. The laser lens 28 is fixed at the edge of the laser hole 24, and the light-emitting surface of the laser lens 28 faces the outside of the laser hole 24. In this embodiment, the type of laser lens 28 includes, but is not limited to, a plano-convex lens, an aspherical lens, or a cylindrical lens. The laser lens 28 can focus and collimate the laser, improve the parallelism and focusing effect of the laser, increase the irradiation distance of the laser, and make the irradiation effect of the laser better.

[0043] To control the aforementioned lighting and laser-related components, a control board 6 is installed in the control mounting area 45. The control board 6 is a PCB board and is electrically connected to and controls the side lamp board 44, lighting board 51, laser generator 73, and motor 74. The control board 6 has several mounting holes 61, each containing a screw (not shown in the figure). The structural plate 41 has correspondingly several connecting seats 411 for screw mounting. The control board 6 is fixed to the structural plate 41 with screws, ensuring its secure position. The control board 6 integrates a charging module 64 and a button module 62 for user interaction. Correspondingly, the housing 1 has a pressing hole 13 and a charging hole 16. Module 62 corresponds to the pressing hole 13, and charging module 64 corresponds to the charging hole 16, so that the user can connect the power cord to the charging module 64 through the charging hole 16. In this embodiment, there are two button modules 62 and two pressing holes 13. Each button module 62 corresponds to one pressing hole 13. A control button 63 is installed on the button module 62. The control button 63 is located at the pressing hole 13 and partially protrudes from the pressing hole 13 to the outside of the housing 1, so that the user can press the control button 63 to trigger the control module. By pressing the two control buttons 63, the user can control the side light panel 44, the lighting panel 51, the laser generator 73 and the motor 74 respectively to achieve different lighting functions.

[0044] A battery pack 8 is installed in the battery installation area 48. The battery pack 8 is electrically connected to the control board 6. The battery pack 8 integrates battery cells and protection circuits. The control board 6 integrates a power management chip to distribute power to the side light panel 44, the lighting panel 51, the laser generator 73, and the motor 74, so that each electrical component receives a suitable voltage and the battery pack 8 is protected. The control board 6 also integrates a main control chip, which controls the parameters and working logic of the side light panel 44, the laser generator 73, the motor 74, and the lighting panel 51 according to the instructions of the button module 62 and the charging module 64. Through the integrated power management chip and the main control chip, the control board 6 can also dynamically allocate battery power, adjust the brightness of lighting and laser, and adjust the power of the laser generator 73 and the speed of the motor 74 according to the battery pack 8 to ensure the stable operation of each device.

[0045] In addition, the battery component 8 supports fast charging mode and dual power supply mode (internal and external). Under the control of the control board 6, the battery component 8 can be directly discharged or connected to the power cord via the charging module 64 to use external power mode. The dual power supply mode allows the product to flexibly adapt to different usage environments. When the battery component 8 is about to run out of power, the device can be started directly by connecting to the external power cord without waiting for charging, solving the problem that traditional devices cannot be turned on immediately when the battery is depleted. Furthermore, the product in this embodiment supports power visualization and overload protection. When the lighting component and the laser component are running at high power at the same time, the control board 6 can automatically fine-tune the laser power to avoid power overload causing the device to reduce frequency or shut down. Combined with the dynamic current distribution function of the control board 6, the energy utilization efficiency can be maximized.

[0046] In summary, the lighting device of this embodiment, while meeting the product's requirements for multi-functionality, high quality, and portability, expands the product's functionality through the lateral lighting of the side lamp panel 44, and integrates the LED lighting module and the laser module. When the LED lighting position cannot be accurately positioned, the laser generator 73 can be turned on to generate a laser, allowing the user to obtain more precise lighting direction. Through optimized structural and optical design, it meets the customer's core requirements for integration, high compatibility, and high practicality.

[0047] Furthermore, in this embodiment, the lighting device and the laser generating device are respectively located in the lighting installation area 46 and the laser installation area 47, and the light path is separated by the lighting limiting cylinder 25 and the laser limiting cylinder 26, thereby strictly isolating the light path of LED lighting and laser, avoiding the problem of mutual refraction interference between the light paths of lighting and laser, making the laser projection clearer and the lighting light more stable.

[0048] Furthermore, this embodiment integrates LED solid-state lighting technology and laser directional projection technology. By pre-setting a projection pattern on the light-transmitting sheet 75, the laser can project a more interactive pattern, which can be applied to a variety of different usage scenarios. With the help of the coordinated control design of optical lenses and control chips, the independent or synchronous stable operation of the dual functions of lighting and laser projection indication is achieved.

[0049] In summary, this embodiment solves the following problems:

[0050] First, it integrates LED lighting modules and laser modules, and expands the product's functionality through side lighting on the side light panel 44. The modules are compatible with each other and have better synergy when used.

[0051] Second, by setting up laser generator 73 to generate directional laser, users can obtain more precise lighting direction and quickly illuminate a specific area, solving the problems of inaccurate lighting and unclear direction.

[0052] Third, the optical paths of the illumination and laser are separated, avoiding the problem of mutual refraction and interference between the optical paths of the illumination and laser, making the laser projection clearer and the illumination light more stable;

[0053] Fourth, a projection pattern is preset on the light-transmitting sheet 75, so that the laser can project and produce a pattern with user interaction to meet the needs of different scenarios.

[0054] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. An LED lighting device with laser projection function, characterized in that, The device includes a housing and a mounting base disposed within the housing. An illumination panel and a laser generator are mounted on the mounting base. When the illumination panel and the laser generator are powered on, they have the same irradiation direction and emit light from within the housing. A side lamp plate is mounted on the mounting base, and a side light-transmitting hole is provided on the housing to allow light from the side lamp plate to be emitted.

2. The LED lighting device with laser projection function according to claim 1, characterized in that, The mounting base includes a structural plate and multiple positioning plates. A side light groove is formed on one surface of the structural plate, and the side light plate is installed in the side light groove. The multiple positioning plates divide the surface of the structural plate opposite to the side lamp slot into several areas, the areas including a lighting installation area and a laser installation area, the lighting plate being disposed in the lighting installation area and the laser generator being disposed in the laser installation area; The positioning plate and the structural plate are used to isolate the light from the side light trough, the lighting installation area and the laser installation area to avoid optical path interference.

3. The LED lighting device with laser projection function according to claim 2, characterized in that, An electric motor is installed in the laser mounting area. The output shaft of the electric motor is parallel to the irradiation direction of the laser generator. A light-transmitting plate is installed on the output shaft of the electric motor. The light-transmitting plate is circular and is offset from the laser generator. A projection pattern is preset on the light-transmitting plate. The light from the laser generator passes through the light-transmitting plate and is emitted from the housing to project the projection pattern on the light-transmitting plate outward.

4. The LED lighting device with laser projection function according to claim 3, characterized in that, The housing has a front opening, and a front cover for closing the front opening is installed at the front opening. The front cover has an illumination hole and a laser hole. The light from the illumination panel is emitted from the illumination hole, and the light from the laser generator is emitted from the illumination hole.

5. The LED lighting device with laser projection function according to claim 4, characterized in that, An illumination limiting cylinder is provided on the inner side of the illumination hole facing the front opening. An illumination lens for focusing light is installed inside the illumination limiting cylinder, and the light-emitting surface of the illumination lens faces the outer side of the illumination hole. A laser limiting cylinder is provided on the inner side of the laser hole facing the front opening. A laser lens for focusing and collimating laser light is installed inside the laser limiting cylinder, and the light-emitting surface of the laser lens faces the outer side of the laser hole.

6. The LED lighting device with laser projection function according to claim 3, characterized in that, The area includes a control installation area, in which a control board is installed. The control board is electrically connected to the side light panel, the lighting panel, the laser generator, and the motor to control them. The control board integrates a button module, and the housing has a pressing hole corresponding to the button module. The button module is equipped with a control button, which protrudes partially from the pressing hole to the outside of the housing for easy pressing and triggering.

7. The LED lighting device with laser projection function according to claim 6, characterized in that, The area includes a battery mounting area in which a battery assembly is installed. The battery assembly is electrically connected to the control board so that the control board can distribute power to the side light panel, the lighting panel, the laser generator, and the motor.

8. The LED lighting device with laser projection function according to claim 7, characterized in that, The control board integrates a charging module, and the housing has a charging hole corresponding to the charging module so that the charging module can be connected to the power cord through the charging hole.

9. The LED lighting device with laser projection function according to claim 7, characterized in that, The housing has a rear opening, the battery mounting area is located near the rear opening, and a rear cover for closing the rear opening is installed at the rear opening.

10. The LED lighting device with laser projection function according to claim 9, characterized in that, The rear cover includes a rear baffle and a magnetic mounting base installed on the surface of the rear baffle. The magnetic mounting base is used to magnetically attach the rear cover to the rear opening.

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