Wide-angle handheld lighting device

Abstract

The utility model relates to the field of lighting equipment, in particular to a wide-angle handheld lighting device. Comprising an arc-shaped lampshade, an upper cover matched with the lampshade and a lamp panel located in the lampshade. The upper cover is provided with a first avoiding area, and the two sides of the upper cover are hollowed out so as to enlarge the light emitting angle. A light reflecting bowl with a second avoiding area is further arranged in the lampshade, and the wide-angle light emitting effect is further enhanced. In addition, the device further comprises a heat dissipation piece, a handle, a switch and a three-pin socket output part, and good heat dissipation performance and convenient operation experience are ensured. The technical effects that the illumination range is remarkably widened, and use convenience is remarkably improved are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lighting devices, in particular to a wide-angle handheld lighting device. BACKGROUND

[0002] Handheld lighting devices are widely used in daily life, not limited to various scenes such as family, industrial site, and outdoor activities. With the diversification of user needs and the progress of technology, the requirements for handheld lighting devices are also constantly improving. Although there are many types of existing handheld lighting devices, there are still great limitations in the light-emitting angle. Traditional handheld lamps mostly adopt a flat light-emitting design, which concentrates light in a small range, resulting in limited illumination range. Especially in the case of wide-angle lighting, it cannot meet the actual needs of users.

[0003] In order to solve this problem, there are some tentative solutions on the market. For example, some lamps use a rotatable angle adjustment mechanism to change the direction of the lamp manually or electrically to achieve different angles of illumination. Another common way is to add multiple light sources inside the lamp to expand the lighting range by dispersing the light sources. In addition, some designs increase the reflector or reflector plate to improve the diffusion effect of light using optical principles. However, these methods generally have some shortcomings, such as complex structure, high manufacturing cost, and inconvenient operation, which limit their widespread application.

[0004] Although the above methods can solve the demand for wide-angle lighting to some extent, they cannot fundamentally solve the problem. Especially in handheld lighting devices, due to the limitations of size and weight, traditional wide-angle lighting design schemes often have difficulty in balancing portability and practicality. Therefore, how to effectively improve the light-emitting angle of handheld lighting devices while maintaining a simple structure has become a technical problem to be solved. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide a wide-angle handheld lighting device.

[0006] The above technical purpose of the present application is achieved by the following technical solution: a wide-angle handheld lighting device, comprising:

[0007] A lampshade with a circular arc shape constitutes a light-emitting surface.

[0008] The upper cover cooperates with the lampshade to form an external structure, the upper cover is provided with a first avoiding area, the first avoiding area is located on the horizontal plane of the upper cover, and the first avoiding area is used for avoiding light emission, and the upper cover is provided with a hollow structure at the opposite sides of the first avoiding area.

[0009] The lamp panel is located inside the lampshade and used for emitting light.

[0010] By adopting the above technical scheme, the lampshade is in the shape of a circular arc, and the first avoiding area of the upper cover and the hollow structure at the opposite sides of the first avoiding area can effectively expand the light emission angle and achieve the wide-angle light emission effect, thereby greatly improving the illumination range and better meeting the user's demand for wide-angle illumination in various scenes such as family, industrial site and outdoor activities. The overall structure is simple, and the problems of complex structure, high manufacturing cost and inconvenient operation are avoided. While realizing the wide-angle illumination, the portability and practicability of the device are ensured, and the device is more suitable for handheld use. Without increasing too many components and complex structures, the light emission angle is optimized, a wider illumination range is provided for the user, better performance can be exhibited in large-area illumination scenes or special operation scenes requiring wide-area illumination, and the manufacturing and use costs are reduced.

[0011] Optionally, the lampshade is provided with a light-reflecting bowl, and the light-reflecting bowl is arranged between the lampshade and the lamp panel.

[0012] By adopting the above technical scheme, the light-reflecting bowl can effectively reflect the light emitted by the lamp panel and re-direct and optimize the propagation path of the light from the structure. The light that may be scattered to other directions can be concentrated and reflected to the light-emitting surface of the lampshade, thereby improving the utilization rate of the light. The addition of the light-reflecting bowl further improves the distribution of the light, cooperates with the circular arc light-emitting surface of the lampshade and the first avoiding area of the upper cover and the hollow structure at the opposite sides of the first avoiding area, and makes the light more uniformly scattered, thereby further expanding the light emission angle and enhancing the wide-angle light emission effect. The existence of the light-reflecting bowl can also reduce the energy loss of the light to a certain extent, so that the overall illumination efficiency of the illumination device is improved. By reasonably arranging the position of the light-reflecting bowl, the functionality of the illumination device is enhanced without increasing the overall volume and weight of the device, the light can be more fully utilized in a limited space, a better wide-angle illumination effect is achieved, a brighter and more uniform illumination environment is provided for the user, and higher requirements for wide-angle illumination in different scenes are met.

[0013] Optionally, the light-reflecting bowl is provided with a second avoiding area, and the light-reflecting bowl is provided with a hollow structure at the opposite sides of the second avoiding area.

[0014] By adopting the technical scheme, the propagation path of the light in the reflector bowl is further optimized, so that the second avoiding area and the hollowed parts on both sides thereof provide additional propagation space for the light when the light is reflected by the reflector bowl, unnecessary shielding and concentration of the light in the reflector bowl are avoided, and the light can be more freely reflected and propagated in the reflector bowl. The light can be more accurately guided to be more uniformly and widely diverged to the light-emitting surface of the lampshade, thereby further expanding the light-emitting angle of the overall lighting device, enhancing the wide-angle light-emitting effect, and further expanding the scattering range of the light. Through the second avoiding area and the hollowed structure on both sides of the reflector bowl, a more efficient light-emitting system can be formed in cooperation with the structure of the lampshade and the upper cover without adding additional complex components, the light-emitting and distribution states of the light are improved in structure, the uniformity and illumination intensity of the light can be improved, the reflection loss of the light in the reflector bowl can be effectively reduced, the effective emission rate of the light is improved, the quality and effect of the lighting device are further improved while the structure is kept simple, the needs of users for wide-angle, high-brightness and uniform illumination in different use scenarios are better met, and the practicability and functionality of the handheld lighting device are significantly improved.

[0015] Optionally, the heat dissipation member is further connected with the lamp panel.

[0016] By adopting the technical scheme, the heat dissipation member ensures that the heat generated by the lamp panel during light emission can be effectively dissipated in time. Since the lamp panel generates heat during light emission, if the heat cannot be dissipated in time, the performance and service life of the lamp panel will be affected, and the lighting device may even be damaged. The heat dissipation member connected with the lamp panel can prevent heat accumulation caused by long-time use, so that the lamp panel is always in an appropriate working temperature range, thereby ensuring continuous and stable light emission of the lamp panel, and further ensuring the reliability and durability of the entire lighting device.

[0017] Optionally, the handle is further connected with the lampshade, and a first silica gel ring is arranged between the handle and the lampshade.

[0018] By adopting the technical scheme, the handle provides a part for the user to hold, so that the user can easily hold the lighting device for operation, greatly improving the convenience and portability. The connection mode of the handle and the lampshade ensures the stability of the two, so that the overall structure of the lighting device is stable during operation and will not be loose or misaligned due to holding. The silicone ring is located at the connection position of the handle and the lampshade, mainly playing an important function of waterproof and dustproof. During daily use, the silicone ring can effectively prevent dust, water vapor and other impurities from entering the interior of the lighting device, prevent dust accumulation from damaging the precision components such as the lamp panel and the reflector bowl inside, ensure the cleanliness of the internal structure, and thus ensure the normal operation of the lighting device and prolong its service life. At the same time, the silicone ring also plays a connecting and buffering role, making the connection between the handle and the lampshade more tight and stable, and to a certain extent, absorbing the vibration and impact generated during use, ensuring the integrity of the overall device structure.

[0019] Optionally, the handle is provided with a switch, and the switch is electrically connected with the lamp panel.

[0020] By adopting the above technical scheme, the switch is arranged on the handle, providing great operation convenience for the user. The user can easily operate the switch while holding the lighting device, realizing convenient control of the lamp panel. It conforms to the principle of ergonomics, so that the user can easily complete the operation in various use scenarios, whether it is single-handed operation during outdoor exploration or quick opening and closing in emergency lighting conditions, improving the flexibility and convenience of operation. At the same time, the electrical connection between the switch and the lamp panel ensures effective control of the lamp panel light, accurately and stably realizing the opening and closing functions of the lighting device. The stable electrical connection ensures accurate signal transmission, and there will be no problem of flickering or failure to open and close due to poor connection, providing a reliable use experience for the user.

[0021] Optionally, the end of the handle away from the lampshade is provided with a three-pin socket output part, and the three-pin socket output part is connected in parallel with the power supply circuit of the lamp panel for parallel output of power for other devices to be inserted for power supply.

[0022] By adopting the above technical scheme, the three-pin socket output part is integrated at one end of the handle. When the lighting device is connected to the power supply line to obtain power, it realizes power distribution output through parallel connection, which can supply power to other lamps or devices to be inserted for lighting, expanding the power distribution function of the device. This structure design makes full use of the device space, maintains the compactness of the overall structure, and improves the use convenience through integrated layout, so that the user can complete the power distribution output without additional switching equipment. In addition, based on the parallel connection mode with the power supply line, stable and reliable power support can be provided for external devices on the premise of ensuring the normal power consumption of the lighting device.

[0023] Optionally, a second silica gel ring is arranged between the handle and the three-prong socket output.

[0024] By adopting the above technical scheme, the second silica gel ring can buffer the vibration or collision generated in the daily use and carrying process, protect the connection structure of the handle and the three-prong socket output, avoid component damage caused by external force impact, and prolong the service life of the device. At the same time, the second silica gel ring can effectively block dust, water vapor and the like from entering the connection area, prevent the external environment from eroding the electrical connection part, ensure the reliability and safety of the power supply function of the three-prong socket output, and ensure stable power transmission.

[0025] In summary, the present application at least has the following beneficial effects:

[0026] 1. The unique light exit structure is formed by the circular arc design of the lampshade, the first avoiding area of the upper cover and the hollow setting on both sides, and the second avoiding area of the reflector bowl and the corresponding hollow, effectively expanding the exit angle of the light and realizing the wide-angle light effect. This structure design overcomes the limitation of small light exit angle of traditional handheld lighting devices, provides users with a wider range of illumination, meets the demand for wide-angle illumination in various scenes such as home, industry and outdoor, and the light distribution is uniform and the illumination effect is better.

[0027] 2. The handle is set to facilitate user hand operation, in line with ergonomics, improving the convenience and portability of use. The first silica gel ring is located between the handle and the lampshade, which plays a role in buffering, protection, increasing friction and waterproof and dustproof, enhances the stability and comfort of holding, and avoids hand sliding and damage to the lampshade; the switch on the handle is convenient for user operation, the electrical connection between the switch and the lamp panel is stable and reliable, and the user can easily turn on and off the lighting device; at the same time, the electrical connection between the three-prong socket output and the lighting device ensures stable power transmission, ensures normal work of the lighting device, and provides reliable power support for external equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic diagram of a wide-angle handheld lighting device;

[0029] Figure 2 is an exploded view of a wide-angle handheld lighting device;

[0030] Figure 3 is a sectional view of a wide-angle handheld lighting device.

[0031] REFERENCE NUMERALS

[0032] 1, lampshade; 2, upper cover; 3, first avoiding area; 4, lamp panel; 5, reflector bowl; 6, second avoiding area; 7, heat dissipation piece; 8, handle; 9, first silica gel ring; 10, switch; 11, three-prong socket output part; 12, second silica gel ring. DETAILED DESCRIPTION

[0033] The application will be further described in detail below with reference to the accompanying drawings.

[0034] Example 1

[0035] In this embodiment, with reference to Figure 1 Figure 3 A wide-angle handheld lighting device includes a lampshade 1, an upper cover 2, and a lamp panel 4. The lampshade 1 is in the shape of a circular arc and constitutes a light-emitting surface. The upper cover 2 cooperates with the lampshade 1 to form an external structure. The upper cover 2 is provided with a first avoiding area 3 located on the horizontal plane of the upper cover 2. The first avoiding area 3 is used to avoid the emission of light. The upper cover 2 is hollowed out at the opposite sides of the first avoiding area 3. Through the first avoiding area 3 and the hollowed-out sides, the light-emitting angle is further expanded, thereby enhancing the wide-angle light-emitting effect. The lamp panel 4 is located inside the lampshade 1 and is used for emitting light. Such a design effectively solves the problem of limited illumination range of traditional planar light-emitting lamps and realizes more extensive light coverage.

[0036] Specifically, the lampshade 1 includes a circular arc-shaped main body and an edge fixing piece. The circular arc-shaped main body is made of transparent or translucent materials such as polycarbonate (PC) or polymethyl methacrylate (PMMA), which have good light transmission and weather resistance. The edge fixing piece is made of metal or high-strength plastic material and is fixed to the main body of the lampshade 1 by screws or buckles to ensure the stability and durability of the lampshade 1. In addition to the circular arc design, elliptical or other curved designs can also be considered to adapt to different use environments and user needs.

[0037] The upper cover 2 is generally made of aluminum alloy or stainless steel, which has high strength and corrosion resistance. The first avoiding area 3 provided on the upper cover 2 can be formed by stamping or cutting process. This area is in the shape of a rectangle or a circle to better avoid the emission of light. The upper cover 2 is hollowed out at the opposite sides of the first avoiding area 3. The shape of the hollowed-out part can be designed according to actual needs, so that the hollowed-out area forms a large-angle avoiding area with the first avoiding area 3 to increase the scattering effect of light. In addition, the edge of the upper cover 2 is also provided with a sealing strip to prevent dust and moisture from entering the interior of the lamp.

[0038] The lamp panel 4 comprises LED chips and heat sinks. The LED chips are selected from high-brightness and low-power models to ensure high efficiency and long service life of the lamp. The heat sinks are made of aluminum or copper materials and the surfaces are treated by oxidation to improve the heat conduction efficiency. The lamp panel 4 and the heat sinks can be connected by heat-conducting silicone grease or heat-conducting gaskets to ensure good heat transfer.

[0039] The implementation principle of the embodiment is that the first avoiding area 3 and the hollow design on both sides of the arc-shaped lampshade 1 and the upper cover 2 significantly increase the light-emitting area, so that the light can be uniformly distributed in a larger range, improving the applicability and user experience of the handheld lighting device. At the same time, by selecting appropriate materials and structural design, the portability of the lamp is ensured, and the durability and reliability are improved.

[0040] Embodiment 2

[0041] The difference between the embodiment and the above-mentioned embodiments is that the design of the reflector bowl 5 is added. Specifically, the reflector bowl 5 is arranged in the lampshade 1, and the position of the reflector bowl 5 is arranged between the lampshade 1 and the lamp panel 4. The reflector bowl 5 reflects part of the light emitted by the lamp panel 4 back to the light-emitting surface, further enhancing the diffusion effect of the light, making the light-emitting more uniform and soft.

[0042] Specifically, the material of the reflector bowl 5 can be a silver-plated or aluminum-plated metal film, or a high-quality white engineering plastic, both of which can provide excellent reflectivity and stability. The second avoiding area 6 is arranged on the reflector bowl 5, and the second avoiding area 6 is also arranged at the central part of the reflector bowl 5, and the shape is consistent with the first avoiding area 3 of the upper cover 2, which is mainly used to avoid direct light. The reflector bowl 5 is hollow on the opposite sides of the second avoiding area 6, and the hollow part is designed similarly to the upper cover 2 to increase the scattering effect of the light. In addition, the bottom of the reflector bowl 5 is provided with a mounting pin, which is convenient for fixing it on the lamp panel 4.

[0043] The implementation principle of the embodiment is that by introducing the design of the reflector bowl 5, the transmission path of the light is further optimized, so that more light is reflected and diffused, thereby improving the overall lighting effect. Especially for occasions that need to be used for a long time, such as outdoor exploration or night work, this design can reduce eye fatigue and improve safety.

[0044] Embodiment 3

[0045] The difference between the embodiment and the above-mentioned embodiments is that the design of the heat dissipation piece 7 is added. Specifically, the heat dissipation piece 7 is connected with the lamp panel 4. The main function of the heat dissipation piece 7 is to help the lamp panel 4 dissipate heat quickly, avoiding damage or performance degradation caused by overheating.

[0046] Specifically, the connection mode of the heat dissipation piece 7 and the lamp panel 4 can adopt welding, bonding or plug-in interface. Welding is suitable for small batch production, ensuring firm and reliable connection; bonding is suitable for large-scale production, which is simple to operate and low in cost; plug-in interface is convenient for later maintenance and replacement. Regardless of the connection mode, it is necessary to ensure good contact and no gap to maximize the heat dissipation effect.

[0047] The implementation principle of the embodiment is that through efficient heat dissipation design, the lamp panel 4 can work normally in a high temperature environment, prolonging the service life of the lamp. Especially under the condition of high power or continuous work, the importance of the heat dissipation piece 7 is particularly prominent, which can effectively reduce the temperature of the lamp panel 4 and maintain stable photoelectric conversion efficiency.

[0048] Embodiment 4

[0049] The difference between the embodiment and the above-mentioned embodiments is that the design of the handle 8 is added. Specifically, it further comprises a handle 8, the handle 8 is connected with the lampshade 1, and a first silica gel ring 9 is arranged between the handle 8 and the lampshade 1. The main function of the handle 8 is to facilitate the user to hold and control the lamp, and improve the use convenience.

[0050] Specifically, the handle 8 comprises a handle part and a connecting part. The handle part adopts ergonomic design, and the surface is wrapped with a soft rubber sleeve, which is comfortable and anti-slip. The connecting part is fixed with the lampshade 1 through screws or buckles, ensuring firm connection. The first silica gel ring 9 is installed at the connection between the handle 8 and the lampshade 1, which plays a role in waterproofing and shock absorption, preventing water vapor from entering the inside of the lamp, and also reducing the influence of vibration on the lamp.

[0051] The handle 8 is provided with a switch 10, and the switch 10 is electrically connected with the lamp panel 4. The switch 10 can be touch or press type, which is selected according to the user's preference and use habit. The contact of the switch 10 adopts noble metal material, which has good conductivity and wear resistance. There is an indicator light on the operation panel of the switch 10, which shows the current working state, facilitating the user to check at any time.

[0052] The implementation principle of the embodiment is that through reasonable human-computer interaction design, the usability and user experience of the lamp are improved. The handle 8 not only provides a comfortable holding feeling, but also protects the internal elements from the influence of the external environment, ensuring the long-term stable operation of the lamp. The addition of the switch 10 makes the user can easily control the opening and closing of the lamp, simplifying the operation process.

[0053] Embodiment 5

[0054] The difference between this embodiment and the above-mentioned embodiments is that a three-prong socket output part 11 is newly added. Specifically, the three-prong socket output part 11 is arranged at the end of the handle 8 away from the lampshade 1, and is electrically connected in parallel with the power supply circuit of the lamp panel 4. The main function of the three-prong socket output part 11 is to provide a power output interface for other devices to be plugged in to take power, thereby expanding the power consumption function of the lighting device, so that the user can realize power distribution without additional switching equipment.

[0055] Specifically, the three-prong socket output part 11 is composed of a bottom shell, a power output interface and a power management module. The bottom shell is made of flame-retardant material, which has good safety and durability. The power management module has functions such as overload protection and short circuit protection, which can ensure the safety and reliability of the power output process and avoid damage to the device itself due to external equipment failure.

[0056] A second silica gel ring 12 is arranged between the handle 8 and the three-prong socket output part 11. The second silica gel ring 12 not only has the functions of waterproofing and dustproofing, but also can buffer vibration to protect the stability of internal circuit connection and avoid poor contact or line damage caused by external impact. The thickness and hardness of the second silica gel ring 12 can be adjusted according to actual needs to achieve the best protection effect.

[0057] The working principle of this embodiment is that by integrating the three-prong socket output part 11, the lighting device can output power to other devices through the parallel power supply circuit while working normally, thereby meeting the diversified power consumption needs of users. The multiple protection mechanisms of the three-prong socket output part 11 ensure the safety of power output, and the design of the second silica gel ring 12 further enhances the environmental adaptability of the device, making it suitable for various scenes.

[0058] The embodiments of the specific embodiment are the preferred embodiments of the present application, but do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A wide-angle handheld illumination device, characterized in that, Include: The lampshade (1) is arc-shaped and constitutes a light-emitting surface. The upper cover (2) cooperates with the lampshade (1) to form an external structure, and the upper cover (2) is provided with a first avoiding area (3) located on the horizontal plane of the upper cover (2), which is used for avoiding light emission. The upper cover (2) is hollow on the opposite sides of the first avoiding area (3), which further expands the light-emitting angle and enhances the wide-angle light-emitting effect. The lamp panel (4) is located inside the lampshade (1) and is used for emitting light.

2. A wide-angle handheld illumination device according to claim 1, characterized in that The lampshade (1) is provided with a reflecting bowl (5) located between the lampshade (1) and the lamp panel (4).

3. A wide angle hand held lighting device according to claim 2, wherein, The reflecting bowl (5) is provided with a second avoiding area (6), and the reflecting bowl (5) is hollow on the opposite sides of the second avoiding area (6).

4. A wide-angle handheld illuminator according to claim 1, wherein, It also includes a heat dissipation member (7) connected with the lamp panel (4).

5. A wide-angle handheld illuminator according to claim 1, wherein, It also includes a handle (8) connected with the lampshade (1), and a first silica gel ring (9) is arranged between the handle (8) and the lampshade (1).

6. A wide-angle handheld illumination device according to claim 5, wherein, The handle (8) is provided with a switch (10) electrically connected with the lamp panel (4).

7. A wide-angle handheld illumination device according to claim 6, characterized in that The end of the handle (8) away from the lampshade (1) is provided with a three-pin socket output part (11) connected in parallel with the power supply circuit of the lamp panel (4) for parallel output of power, so that other equipment can be inserted into the power point to light up.

8. A wide-angle handheld illumination device according to claim 7, characterized in that The second silica gel ring (12) is arranged between the handle (8) and the three-pin socket output part (11).

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