Lens structure for head-mounted lamp

Abstract

The utility model discloses a lens structure for a head-mounted lamp, which relates to the technical field of lamps and comprises a lens main body and a lamp panel which are sequentially arranged from top to bottom, the lamp panel is provided with alarm lamp modules, a strong light gear module and a weak light gear module, the alarm lamp modules are positioned on two sides of the strong light gear module, and the weak light gear module is positioned on two sides of the strong light gear module. The low-light gear module is located between the alarm lamp module and the high-light gear module, the lens body comprises an alarm lamp light-transmitting part, a high-light lens and a plurality of low-light lenses, the alarm lamp light-transmitting part is located above the alarm lamp module, the high-light lens is located above the high-light gear module, and the low-light lenses are located above the low-light gear module. Under the cooperation of the strong light lens and the strong light lamp bead and the cooperation of the weak light lens and the weak light lamp bead, light can be effectively concentrated, the lighting effect is good, meanwhile, the strong light mode and the weak light mode can be freely switched, multiple requirements of users are met, in addition, the warning lamp function is achieved, the warning effect is enhanced, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a lens structure for a head-mounted lamp. Background Art

[0002] A head-mounted lamp is a head-mounted lighting device, which is widely used in construction sites for mobile operation lighting or outdoor activities, such as tunnel construction and night hiking. The light source emitted by most headlamps on the market is realized through lamp beads and lamp shades. The emitted light source directly passes through the lamp shade and shines outwards. The light generated by such a structure will be relatively scattered, the light source cannot be controlled, the light cannot be effectively concentrated, affecting the lighting range and brightness, and the lighting effect is poor. Moreover, it does not have a warning function and the safety performance is low. Therefore, a lens structure for a head-mounted lamp is needed to improve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a lens structure for a head-mounted lamp, aiming to solve the above technical problems. Through the cooperation of a high-intensity light lens and a high-intensity light lamp bead, and a low-intensity light lens and a low-intensity light lamp bead, the light can be effectively concentrated, the lighting effect is good, and at the same time, the high-intensity light and low-intensity light modes can be freely switched to meet the multiple needs of users. In addition, it also has an alarm lamp function to enhance the warning effect and has strong practicability.

[0004] In order to achieve the above purpose, the utility model is realized through the following technical solutions:

[0005] A lens structure for a head-mounted lamp includes a lens body and a lamp board arranged in sequence from top to bottom. The lamp board is provided with an alarm lamp module, a high-intensity light gear module and a low-intensity light gear module. The alarm lamp module is located on both sides of the high-intensity light gear module, and the low-intensity light gear module is located between the alarm lamp module and the high-intensity light gear module. The lens body includes an alarm lamp light-transmitting part, a high-intensity light lens and a plurality of low-intensity light lenses. The alarm lamp light-transmitting part is located above the alarm lamp module, the high-intensity light lens is located above the high-intensity light gear module, and the low-intensity light lens is located above the low-intensity light gear module.

[0006] Further, the high-intensity light gear module includes a high-intensity light lamp bead and a high-intensity light lamp base. The high-intensity light lamp bead is installed on the high-intensity light lamp base, and the high-intensity light lamp base is connected to the lamp board.

[0007] Further, the low-intensity light gear module includes a low-intensity light lamp bead and a low-intensity light lamp base. The low-intensity light lamp bead is installed on the low-intensity light lamp base, and the low-intensity light lamp base is connected to the lamp board.

[0008] Further, a first lamp bead accommodating groove is arranged in the high-intensity light lens. The upper end of the high-intensity light lamp bead is located in the first lamp bead accommodating groove, and a first gap is arranged between the light-emitting surface of the high-intensity light lamp bead and the bottom of the high-intensity light lens.

[0009] Further, a convex portion, a first refraction surface and a second refraction surface which protrude downward are provided in the first lamp bead receiving groove, and the convex portion is located on the upper end surface of the first lamp bead receiving groove.

[0010] Further, a second lamp bead receiving groove is provided in the low-light lens, the upper end of the low-light lamp bead is located in the second lamp bead receiving groove, and a second gap is provided between the light-emitting surface of the low-light lamp bead and the bottom of the low-light lens.

[0011] Further, the cross section of the second lamp bead receiving groove is in the shape of a quadrilateral trapezoid, and a third refraction surface, a fourth refraction surface and a low-light lamp transmission surface are provided in the second lamp bead receiving groove.

[0012] Further, a plurality of penetrating concave portions are provided on the warning lamp light-transmitting portion, and the penetrating concave portions are in a polygonal shape.

[0013] Further, the lens body further includes a light-transmitting plate, and the warning lamp light-transmitting portion, the high-light lens and the low-light lens are mounted on the light-transmitting plate.

[0014] Further, a first step and a second step are provided at the outer edge of the light-transmitting plate.

[0015] The lens structure for a head-mounted lamp of the present utility model has the following beneficial effects:

[0016] 1. For the lens structure for a head-mounted lamp of the present utility model, by respectively installing two low-light lamp beads on both sides of the high-light lamp bead, and with the cooperation of the high-light lens and the high-light lamp bead, and the low-light lens and the low-light lamp bead, there are two mode selections: Mode 1 is to separately light the middle high-light lamp bead; Mode 2 is to light all four low-light lamp beads on both sides, so that the present utility model can freely switch between the high-light and low-light modes, with good convenience, meeting the multiple needs of users. At the same time, the light can be effectively concentrated, the lighting effect is good, and the practicability is strong;

[0017] 2. For the lens structure for a head-mounted lamp of the present utility model, by providing a warning lamp module, the light emitted by the warning lamp module can be reflected and focused through a cone, making the light effect more distinct and eye-catching, and enhancing the warning effect;

[0018] 3. For the lens structure for a head-mounted lamp of the present utility model, the material of the lens body is PC material, and the PC material has the characteristics of good impact resistance, high hardness, acid and alkali resistance, good transparency, good heat resistance, light weight, high toughness, good light transmittance and excellent electrical insulation performance. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2Schematic diagram of the lens body of the present utility model;

[0021] Figure 3 Schematic diagram of the lamp board of the present utility model;

[0022] Figure 4 Schematic cross-sectional structure diagram of the present utility model;

[0023] Figure 5 Light distribution curve diagram of the high-light mode of the present utility model;

[0024] Figure 6 Light distribution curve diagram of the low-light mode of the present utility model;

[0025] The reference numerals in the figure are:

[0026] 1. Lens body; 2. Lamp board; 3. Alarm lamp module; 4. High-light mode module; 5. Low-light mode module; 6. Alarm lamp light-transmitting part; 7. High-light lens; 8. Low-light lens; 9. High-light lamp beads; 10. High-light lamp base; 11. Low-light lamp beads; 12. Low-light lamp base; 13. First lamp bead receiving groove; 14. First gap; 15. Convex part; 16. First refracting surface; 17. Second refracting surface; 18. Second lamp bead receiving groove; 19. Second gap; 20. Third refracting surface; 21. Fourth refracting surface; 22. Low-light lamp transmission surface; 23. Penetrating concave part; 24. Light-transmitting plate; 25. First step; 26. Second step; 27. Housing connector. Detailed implementation manners

[0027] In order to enable those skilled in the art of this technology to better understand the technical solution of the present utility model, the products of the present utility model will be further described in detail below in conjunction with embodiments and the accompanying drawings.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element; when an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific implementation manners and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] Such as Figure 1As shown in the figure, a lens structure for a head-mounted lamp includes a lens body 1 and a lamp board 2 arranged in sequence from top to bottom. An alarm lamp module 3, a high-light module 4, and a low-light module 5 are provided on the lamp board 2. The alarm lamp module 3 is located on both sides of the high-light module 4, and the low-light module 5 is located between the alarm lamp module 3 and the high-light module 4. The lens body 1 includes an alarm lamp light-transmitting part 6, a high-light lens 7, and a plurality of low-light lenses 8. The alarm lamp light-transmitting part 6 is located above the alarm lamp module 3, the high-light lens 7 is located above the high-light module 4, and the low-light lenses 8 are located above the low-light module 5.

[0031] As Figure 3 shown, the high-light module 4 includes a high-intensity lamp bead 9 and a high-intensity lamp base 10. The high-intensity lamp bead 9 is installed on the high-intensity lamp base 10, and the high-intensity lamp base 10 is connected to the lamp board 2.

[0032] As Figure 3 shown, the low-light module 4 includes a low-intensity lamp bead 11 and a low-intensity lamp base 12. The low-intensity lamp bead 11 is installed on the low-intensity lamp base 12, and the low-intensity lamp base 12 is connected to the lamp board 2.

[0033] It should be noted that the number of the high-light lens 7 and the high-intensity lamp bead 9 is one each, and the number of the low-light lenses 8 and the low-intensity lamp beads 11 is four each. When this utility model is used in cooperation with the lamp, there are two mode selections: Mode 1: The middle high-intensity lamp bead 9 is lit alone, and the irradiation effect has a uniform light spot; Mode 2: The four low-intensity lamp beads 11 on both sides are all lit, and at this time, a floodlight effect is generated, and the overall light spot is uniform.

[0034] It should be further noted that for the high-intensity lamp bead 9 in this embodiment: one Luminus SST12, simulated luminous flux: 250 lm; for the low-intensity lamp beads 11: four Luminus SST12, and the luminous fluxes are 300 lm * 4 = 1200 lm respectively.

[0035] As Figure 2 and Figure 4 shown, a plurality of protrusions are provided on the outer side surface of the high-light lens 7. A first lamp bead accommodation groove 13 is provided inside the high-light lens 7. The upper end of the high-intensity lamp bead 9 is located inside the first lamp bead accommodation groove 13. A first gap 14 is provided between the light-emitting surface of the high-intensity lamp bead 9 and the bottom of the high-light lens 7. The range of the first gap 14 is 0.1 - 0.3 mm, preferably 0.2 mm.

[0036] As Figure 2 and Figure 4As shown, a convex portion 15, a first refracting surface 16, and a second refracting surface 17 that protrude downward are provided in the first lamp bead receiving groove 13, and the convex portion 15 is located on the upper end surface of the first lamp bead receiving groove 13. The convex portion 15 enables the light source emitted by the high-intensity lamp bead 9 to have a good light condensing effect, and the light source is more concentrated and stronger.

[0037] As Figure 2 and Figure 4 shown, a plurality of protrusions are provided on the outer side surface of the low-light lens 8. A second lamp bead receiving groove 18 is provided in the low-light lens 8. The upper end of the low-intensity lamp bead 11 is located in the second lamp bead receiving groove 18. A second gap 19 is provided between the light emitting surface of the low-intensity lamp bead 11 and the bottom of the low-light lens 8. The range of the second gap 19 is 0.1 - 0.3 mm, preferably 0.2 mm.

[0038] As Figure 2 and Figure 4 shown, the cross-section of the second lamp bead receiving groove 18 is trapezoidal with four sides. A third refracting surface 20, a fourth refracting surface 21, and a low-light lamp transmission surface 22 are provided in the second lamp bead receiving groove 18. The low-light lamp transmission surface 22 is arranged as a plane. The inclination degrees of the third refracting surface 20 and the fourth refracting surface 21 are both greater than those of the first refracting surface 16 and the second refracting surface 17.

[0039] As Figure 2 shown, a plurality of penetrating concave portions 23 are provided on the warning lamp light-transmitting portion 6, and the penetrating concave portions 23 are polygonal. The penetrating concave portions 23 in this embodiment are formed by combining four triangular surfaces into a cone shape. The light emitted by the warning lamp module 3 can be reflected and focused through the cone shape, making the light effect more distinct and eye-catching, and enhancing the warning effect.

[0040] As Figure 1 and Figure 2 shown, the lens body 1 further includes a light-transmitting plate 24. The warning lamp light-transmitting portion 6, the high-intensity light lens 7, and the low-light lens 8 are mounted on the light-transmitting plate 24.

[0041] As Figure 1 and Figure 2 shown, a first step 25 and a second step 26 are provided at the outer edge of the light-transmitting plate 24. The first step 25 and the second step 26 facilitate the assembly with the lamp housing.

[0042] As Figure 1 and Figure 3 shown, a plurality of housing connectors 27 are further provided on the lamp board 2. The housing connectors 27 facilitate the assembly with the lamp housing.

[0043] As Figure 1As shown, the material of the lens body 1 is PC material, which has the characteristics of good impact resistance, high hardness, acid and alkali resistance, good transparency, good heat resistance, light weight, high toughness, good light transmittance, and excellent electrical insulation performance, etc.

[0044] As mentioned above, it is only the preferred embodiment of the present invention, and there is no restriction on the present invention in any form; any ordinary technician in this industry can smoothly implement the present invention according to what is shown in the attached drawings of the specification and what is described above; however, any slight changes, modifications, and equivalent variations made by those skilled in this professional field within the scope of the technical solution of the present invention by using the technical content disclosed above are all equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the essential technology of the present invention still belong to the technical solution of the present invention.

Claims

1. A lens structure for a head-mounted lamp, characterized in that: It includes a lens body (1) and a lamp board (2) arranged successively from top to bottom. An alarm lamp module (3), a high-light level module (4), and a low-light level module (5) are provided on the lamp board (2). The alarm lamp module (3) is located on both sides of the high-light level module (4), and the low-light level module (5) is located between the alarm lamp module (3) and the high-light level module (4). The lens body (1) includes an alarm lamp light-transmitting part (6), a high-light lens (7), and a plurality of low-light lenses (8). The alarm lamp light-transmitting part (6) is located above the alarm lamp module (3), the high-light lens (7) is located above the high-light level module (4), and the low-light lenses (8) are located above the low-light level module (5).

2. The lens structure for a head-mounted lamp according to claim 1, characterized in that: The high-light level module (4) includes a high-intensity lamp bead (9) and a high-intensity lamp base (10). The high-intensity lamp bead (9) is installed on the high-intensity lamp base (10), and the high-intensity lamp base (10) is connected to the lamp board (2).

3. The lens structure for a head-mounted lamp according to claim 2, characterized in that: The low-light level module (4) includes a low-intensity lamp bead (11) and a low-intensity lamp base (12). The low-intensity lamp bead (11) is installed on the low-intensity lamp base (12), and the low-intensity lamp base (12) is connected to the lamp board (2).

4. The lens structure for a head-mounted lamp according to claim 3, characterized in that: A first lamp bead receiving groove (13) is provided in the high-light lens (7). The upper end of the high-intensity lamp bead (9) is located in the first lamp bead receiving groove (13), and a first gap (14) is provided between the light-emitting surface of the high-intensity lamp bead (9) and the bottom of the high-light lens (7).

5. The lens structure for a head-mounted lamp according to claim 4, characterized in that: A convex part (15), a first refracting surface (16), and a second refracting surface (17) are provided in the first lamp bead receiving groove (13). The convex part (15) is located on the upper end surface of the first lamp bead receiving groove (13).

6. The lens structure for a head-mounted lamp according to claim 5, wherein: A second lamp bead receiving groove (18) is provided in the low-light lens (8). The upper end of the low-intensity lamp bead (11) is located in the second lamp bead receiving groove (18), and a second gap (19) is provided between the light-emitting surface of the low-intensity lamp bead (11) and the bottom of the low-light lens (8).

7. The lens structure for a head-mounted lamp according to claim 6, characterized in that: The cross-section of the second lamp bead receiving groove (18) is in the shape of a trapezoid with four sides. A third refracting surface (20), a fourth refracting surface (21), and a low-light lamp transmission surface (22) are provided in the second lamp bead receiving groove (18).

8. The lens structure for a head-mounted lamp according to claim 7, wherein: A plurality of penetrating concave parts (23) are provided on the alarm lamp light-transmitting part (6), and the penetrating concave parts (23) are in a polygonal shape.

9. The lens structure for a head-mounted lamp according to claim 8, wherein: The lens body (1) further includes a light-transmitting plate (24). The alarm lamp light-transmitting part (6), the high-light lens (7), and the low-light lenses (8) are installed on the light-transmitting plate (24).

10. The lens structure for a head-mounted lamp according to claim 9, characterized in that: A first step (25) and a second step (26) are provided at the outer edge of the light-transmitting plate (24).

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