Portable lamp

By setting a light-transmitting part with an inclination angle of 4-15 degrees in front of the lens of the portable lamp, the problems of scattering and stray light caused by the non-parallelism between the laser module and the light-emitting lens are solved, and a better light spot focusing effect is achieved.

CN224033623UActive Publication Date: 2026-03-24POWER ON TOOLS CO LTD XIAMEN CITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing portable lighting fixtures, laser modules and light-emitting lenses often suffer from poor light spot effects due to processing or assembly errors, resulting in scattering and stray light problems.

Method used

A first light-transmitting part with an inclination angle of greater than or equal to 4 degrees and less than or equal to 15 degrees is provided in front of the lens to transmit the light emitted by the laser module, and a second light-transmitting part is provided on the lens to achieve large-angle reflection and refraction of the beam and improve the focusing effect of the light spot.

Benefits of technology

It greatly improves the focusing effect of the light spot emitted by the laser module, solves the problems of astigmatism and stray light, and provides a clearer field of view.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portable lamp. The portable lamp comprises a laser module arranged in a lamp body and a lens arranged in front of the laser module. One surface, far away from the laser module, of the lens comprises a first light-transmitting part with an inclined angle, and the first light-transmitting part is used for transmitting laser emitted by the laser module; the lens is provided with the first light-transmitting part with the inclination angle larger than or equal to 4 degrees, so that original individual light beams are emitted to the first light-transmitting part through the convex lens of the laser module, then large-angle reflection is formed, the light beams are reflected to the first light-transmitting part again after reaching the convex lens and then refracted, and the refracted light beams deviate from the focusing center at a large angle; the focusing effect of light spots emitted by the laser module is greatly improved, and the problems of astigmatism, stray light and the like are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lighting device technical field, specifically, portable lamps and lanterns. BACKGROUND

[0002] The existing portable lamps and lanterns not only have the function of lighting but also have other functions to meet the actual needs of people's daily life and work. For example, some portable lamps and lanterns are added with laser function. Since the laser has good directivity, it can be used for education, business demonstration and visual demonstration, indication and explanation, and can easily and accurately indicate the target. It can also be used for field exploration, indicating distant targets, sending distress signals and daily special item exploration.

[0003] In order to realize the laser function, a laser module and a corresponding lens are generally added inside the portable lamps and lanterns. The light emitted by the laser module is focused through the convex lens and then emitted from the flat lens of the lamp and lantern. However, due to the cumulative error in processing or assembly, the laser module and the flat lens cannot be completely parallel, that is, the laser module and the flat lens are in an inclined state. Figure 1 As shown in the figure, in this state, the light emitted by the laser module through the convex lens is reflected by the flat lens at a small angle to the convex lens and then reflected to the flat lens again, resulting in abnormal heat dissipation points at the edge of the focused laser, poor laser spot effect, and prominent problems such as astigmatism and stray light. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims to provide a portable lamp to solve the above problems.

[0005] The utility model adopts the following scheme:

[0006] The application provides a portable lamp, which comprises a laser module arranged in a lamp body and a lens arranged in front of the laser module; one side of the lens away from the laser module comprises a first light-transmitting part with an inclination angle, which is used for transmitting the laser emitted by the laser module; and the inclination angle of the first light-transmitting part is greater than or equal to 4 degrees.

[0007] Further, the inclination angle of the light-transmitting part is less than or equal to 15 degrees.

[0008] Further, the laser module and the light-emitting module of the lamp are arranged side by side along a first direction; a second light-transmitting part is arranged side by side with the first light-transmitting part on the lens along the first direction and is used for transmitting the light emitted by the light-emitting module.

[0009] Further, the first light-transmitting part is arranged obliquely along a second direction perpendicular to the first direction. Further, the first light-transmitting part is arranged obliquely along a second direction perpendicular to the first direction.

[0010] Further, the second light-transmitting part is in the shape of a circular arc with a curvature, so as to realize illumination with a certain beam angle.

[0011] Further, the lamp body comprises a hollow extruded metal shell and a plastic inner shell arranged in the metal shell; one end of the plastic inner shell is provided with a mounting cavity for mounting a lamp cap assembly comprising the laser module and the light-emitting module.

[0012] Further, the lamp cap assembly further comprises a housing and a fixing member, the fixing member is provided with a mounting groove for fixing the laser module and a fixing column for fixing the light-emitting module, and is provided with two through holes for the light source to pass through; the housing is used for fixing the fixing member in the mounting cavity; the lens is arranged on the housing.

[0013] Further, the plastic inner shell is provided with a containing bin, and a detachable cover is arranged on the cover body of the containing bin; a groove is arranged between the periphery of the containing bin and the outer wall, and a sealing ring is arranged on the groove; the inner side of the cover body is provided with a protruding rib corresponding to the groove.

[0014] Further, a Hall switch assembly and a processor are further included; the Hall switch assembly comprises a sliding switch with a magnet and a switch plate corresponding to the sliding switch, and a plurality of Hall switches are arranged on the switch plate and electrically connected to the processor; the sliding switch is slidably arranged on the outer side of the containing bin.

[0015] Further, a sliding groove is arranged on the outer side wall of the containing bin and the outer side wall of the cover body for the sliding of the sliding switch; a plurality of gear recesses are arranged on the outer side wall of the containing bin and / or the outer side wall of the cover body along the sliding direction of the sliding switch; a gear clamping point with elasticity is arranged on the sliding switch and matched with the gear recesses.

[0016] By adopting the above technical scheme, the following technical effects can be achieved:

[0017] The utility model provides a portable lamp, through the first light-transmitting part with greater than or equal to 4 degrees' inclination angle of setting in the lens before laser module, make the originally individual light beam through laser module through the convex lens of module and emit to the first light-transmitting part, then form larger angle reflection, to the convex lens again after reflection to the first light-transmitting part refraction, this refraction light beam large angle deviates from the focusing center, invisible on the field of vision, greatly improved the focusing effect of the light spot of laser module, improved astigmatism, stray light and other problems. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 is a schematic diagram of the light emitted by the laser module in the prior art;

[0020] Figure 2 is a schematic diagram of the structure of a portable lamp according to an embodiment of the present application;

[0021] Figure 3 is a schematic diagram of the exploded structure of a portable lamp according to an embodiment of the present application;

[0022] Figure 4 is a schematic diagram of the cross-sectional structure of a portable lamp according to an embodiment of the present application Figure 1 ;

[0023] Figure 5 is a schematic diagram of the cross-sectional structure of a portable lamp according to an embodiment of the present application Figure 2 ;

[0024] Figure 6 is a schematic diagram of the lens structure of a portable lamp according to an embodiment of the present application;

[0025] Figure 7 is a schematic diagram of the fixing member structure of a portable lamp according to an embodiment of the present application;

[0026] Figure 8 is a schematic diagram of the front structure of the laser module of a portable lamp according to an embodiment of the present application;

[0027] Figure 9 is a schematic diagram of the light emitted by the laser module of a portable lamp according to an embodiment of the present application;

[0028] Figure 10 is a schematic diagram of the structure of a portable lamp according to another embodiment of the present application;

[0029] Figure 11 is a schematic diagram of the exploded structure of a portable lamp according to another embodiment of the present application;

[0030] Figure 12 is a schematic diagram of the front structure of the plastic inner shell of a portable lamp according to another embodiment of the present application;

[0031] Figure 13is a structure schematic view of a plastic inner shell of a portable lamp according to other embodiments of the present utility model;

[0032] Figure 14 is a cover structure schematic view of a portable lamp according to other embodiments of the present utility model;

[0033] Figure 15 is a structure schematic view of a portable lamp without metal shell according to other embodiments of the present utility model;

[0034] Figure 16 is a structure schematic view of a sliding switch with magnet of a portable lamp according to other embodiments of the present utility model;

[0035] Figure 17 is a side structure schematic view of a portable lamp without metal shell according to other embodiments of the present utility model;

[0036] Icon: metal shell 1, plastic inner shell 2, lamp cap assembly 3, laser module 4, first light transmission part 5, second light transmission part 6, fixing part 7, shell 8, metal heat sink 9, installation cavity 10, limiting rib 11, light source plate 12, through hole 13, installation groove 14, fixed column 15, convex lens 16, sliding switch 18, cover 19, sealing ring 20, recess 21, switch plate 22, hall switch 23, push button 24, containing bin 25, first rib 26, second rib 27, sliding groove 28, sliding part 29, sliding block 30, boss 31, magnet 32, elastic arm 33, gear notch 34, gear recess 35. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model clearer, the technical scheme in the embodiments of the present utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but only represents selected embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0038] Please refer to Figures 2 to 9The utility model embodiment provides a kind of portable lamps and lanterns, including the laser module 4 being arranged in lamp body, and lens being arranged in the laser module 4 before;The lens includes the first light-transmitting portion 5 with inclination angle, for transmitting the laser that the laser module 4 emits.

[0039] In the embodiment, as shown in Figure 3 The lamp body of the lamp includes extruded hollow metal shell 1, and plastic inner shell 2 arranged in the metal shell 1;The plastic inner shell 2 is injection molded with PA6, ABS and other plastics;The metal shell 1 is extruded aluminum shell, which has the characteristics of thin and uniform thickness, is sleeved on the plastic inner shell 2, users have good metal holding feeling, while reducing product weight, users have no uncomfortable feeling for long time use.The one end of the plastic shell 8 is provided with mounting cavity 10 for mounting the lamp cap assembly 3 with the laser module 4 and the light emitting module.

[0040] In the embodiment, the lens can be made of materials with high light transmittance, such as PC, glass, etc.The lens is arranged on the light emitting surface of the laser module 4, which has a first surface corresponding to the laser module 4 and a second surface away from the laser module 4.The first light-transmitting portion 5 is arranged on the second surface.

[0041] In the embodiment, as shown in Figures 4 to 8 The laser module 4 and the light emitting module of the lamp are arranged side by side along the first direction;The second light-transmitting portion 6 is arranged side by side with the first light-transmitting portion 5 on the lens along the first direction, for transmitting the light emitted by the light emitting module.The first light-transmitting portion 5 is arranged obliquely along the second direction perpendicular to the first direction.

[0042] In the embodiment, the inclination angle of the first light-transmitting portion 5 is greater than or equal to 4 degrees, and particularly, the inclination angle is greater than or equal to 4 degrees and less than or equal to 15 degrees.However, it should be understood that in other embodiments of the utility model, adjacent inclination angles, such as inclination angles slightly less than 4 or slightly greater than 15, are also within the protection scope of the utility model.

[0043] As shown in Figure 9 By setting the inclination angle of the lens for transmitting the laser emitted by the laser module 4 in front of the laser module 4, the light emitting lens is increased in inclination angle, the original individual light beams are emitted to the first light-transmitting portion through the convex lens 16 of the laser module, then a large angle reflection is formed, and the light beams are refracted again after being reflected to the first light-transmitting portion 5 through the convex lens 16.The refracted light beams deviate greatly from the focusing center and are invisible in the field of view, greatly improving the spot focusing effect and solving the problems of original astigmatism and stray light.

[0044] To further understand this utility model, some preferred embodiments of this utility model are described in more detail below.

[0045] In a preferred embodiment, the lamp head assembly 3 further includes a housing 8 and a fixing member 7. The fixing member 7 is provided with a mounting groove 14 for fixing the laser module 4 and a fixing post 15 for fixing the light-emitting module. The light-emitting module includes a metal heat sink 9 fixed to the fixing post 15 by screws and a light source plate 12 attached to the metal heat sink 9. Figure 7 As shown, the fixing member 7 is provided with two through holes 13 for the light source to pass through; the inner peripheral wall of the mounting cavity 10 is provided with limiting ribs 11 adapted to the bottom end face of the metal heat sink 9, and the outer shell is provided with a limiting step surface. The fixing member 7 is fixed and limited within the mounting cavity 10 by the limiting ribs 11 and the limiting step surface. The lens is snapped onto the housing 8 and placed at the front end of the fixing member 7. Figure 6 As shown, the second light-transmitting part 6 is an arc shape with a certain curvature to achieve illumination with a certain beam angle. This lamp has conventional lighting functions as well as laser functions with focused light spots that do not scatter or have multiple light spots, making it suitable for different work scenarios.

[0046] In other embodiments, such as Figures 10 to 17 As shown, the portable lamp also includes a Hall switch assembly and a processor for controlling the lamp's on / off state and switching of lighting levels. The Hall switch assembly includes a slide switch 18 with a magnet 32 ​​and a switch plate 22 corresponding to the slide switch 18. The switch plate 22 is provided with multiple Hall switches 23, which are electrically connected to the processor.

[0047] like Figures 11 to 14 As shown, the plastic inner shell 1 is provided with a housing 25 for installing various electronic components, and a cover 19 detachably covering the housing 25. A groove 21 is provided between the perimeter of the housing 25 and its outer wall, and a sealing ring 20 is provided on the groove 21. A first protruding rib 26 is provided at the bottom of the groove 21. A second protruding rib 27 corresponding to the groove 21 is provided on the inner side of the cover 19. The cover 19 is bolted to the housing 25. Specifically, a screw hole is provided on the housing 25, and the screw hole communicates with the groove 21. The sealing ring 20 has a screw hole sealing portion surrounding the screw hole, and the screw hole sealing portion has a through hole corresponding to the screw hole for the bolt to pass through. The screw hole end face on the cover 19 is also provided with a protruding rib. When the cover 19 is bolted to the accommodating chamber 25, the protruding ribs can better compress the sealing ring 20 to achieve the requirement of waterproof sealing.

[0048] The outer side wall of the accommodating cavity 25 and the outer side wall of the cover 19 are provided with a sliding groove 28 for sliding of the sliding switch 18. The sliding switch 18 comprises a sliding block 30, the outer side of the sliding block 30 is provided with a push button 24 for being pushed by a user, the inner side of the sliding block 30 is provided with a boss 31, the boss 31 is provided with a mounting groove, the mounting groove is fixedly provided with a magnet 32, and the two sides of the boss 31 are provided with sliding portions 29 which can slide in the sliding groove 28.

[0049] Preferably, as shown in Figure 16 and Figure 17 The inner shell is provided with three range grooves 35 which are arranged at intervals along the sliding direction of the sliding switch 18 on the outer side wall of the accommodating cavity 25 and the outer side wall of the cover 19, the front end of the boss 31 is provided with an elastic arm 33 which extends forward, the front end of the elastic arm 33 is provided with a range catch point 34, the range catch point 34 is matched with the range groove 22, when the range catch point 34 moves to the position of each range groove 22, the magnet 32 moves to the position of one Hall switch 23, when the sliding switch 18 is switched, the range catch point 34 falls into the range groove 22, and clear range switching is realized.

[0050] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application.

[0051] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0052] In addition, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0053] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relationship. For ordinary skilled person in the art, can understand the specific meaning of above-mentioned terms in the utility model according to specific circumstances.

[0054] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features directly contact, also can include that first and second features are not directly contact but contact through another feature between them. Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or just indicates that the horizontal height of first feature is higher than second feature. First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or just indicates that the horizontal height of first feature is less than second feature.

Claims

1. A portable lamp, comprising a laser module disposed within the lamp body, and a lens disposed in front of the laser module; characterized in that, The side of the lens away from the laser module includes a first light-transmitting portion with an inclined angle for transmitting laser light emitted by the laser module; the inclined angle of the first light-transmitting portion is greater than or equal to 4 degrees.

2. The portable lamp according to claim 1, characterized in that, The tilt angle of the first light-transmitting part is less than or equal to 15 degrees.

3. The portable lamp according to claim 1 or 2, characterized in that, It also includes a light-emitting module, wherein the laser module and the light-emitting module are arranged side by side along a first direction; a second light-transmitting part is arranged on the lens side by side with the first light-transmitting part along the first direction for transmitting light emitted by the light-emitting module.

4. The portable lamp according to claim 3, characterized in that, The first light-transmitting part is inclined along a second direction perpendicular to the first direction.

5. The portable lamp according to claim 3, characterized in that, The second light-transmitting part is an arc shape with a certain curvature to achieve illumination with a certain beam angle.

6. The portable lamp according to claim 4 or 5, characterized in that, The lamp body includes an extruded hollow metal outer shell and a plastic inner shell disposed within the metal outer shell; one end of the plastic inner shell is provided with a mounting cavity for mounting a lamp head assembly having the laser module and the light-emitting module.

7. The portable lamp according to claim 6, characterized in that, The lamp head assembly also includes a housing and a fixing member. The fixing member is provided with a mounting groove for fixing the laser module and a fixing post for fixing the light-emitting module, and is provided with two through holes for the light source to pass through. The housing is used to fix the fixing member in the mounting cavity. The lens is disposed on the housing.

8. The portable lamp according to claim 6, characterized in that, The plastic inner shell is provided with a storage compartment and a cover that can be detachably placed on the storage compartment; a groove is provided between the perimeter of the storage compartment and the outer wall, and a sealing ring is provided on the groove; the inner side of the cover is provided with protruding ribs corresponding to the groove.

9. The portable lamp according to claim 8, characterized in that, It also includes a Hall switch assembly and a processor; the Hall switch assembly includes a slide switch with a magnet and a switch plate corresponding to the slide switch, the switch plate is provided with a plurality of Hall switches, and the Hall switches are electrically connected to the processor; the slide switch is slidably disposed on the outer side of the accommodating compartment.

10. The portable lamp according to claim 9, characterized in that, The outer wall of the accommodating compartment and the outer wall of the cover are provided with sliding grooves for the sliding switch to slide; the outer wall of the accommodating compartment and / or the outer wall of the cover are provided with multiple position grooves at intervals along the sliding direction of the sliding switch; the sliding switch is provided with position locking points that are adapted to the position grooves and have elasticity.