Lamp and lighting equipment

Abstract

The utility model provides a lamp and lighting equipment, and relates to the technical field of lighting. The lamp comprises a driving plate and a plurality of light source sets, the light source sets are distributed on the driving plate, each light source set comprises at least two light sources, the at least two light sources comprise a cold color light source and a warm color light source, the cold color light sources and the warm color light sources are electrically connected with the driving plate, and the cold color light sources and the warm color light sources are arranged on the driving plate side by side; wherein the illumination range of the cold color light source and the illumination range of the warm color light source of the same light source group are at least partially overlapped, and the illumination range of the cold color light source and the illumination range of the warm color light source of different light source groups are at least partially overlapped. The lamp provided by the utility model can improve the mixing effect of the cold color light and the warm color light of the illuminating lamp in the vehicle and improve the illumination quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting technical field especially relates to a lamp and lighting equipment. BACKGROUND

[0002] The interior lighting lamp is the indispensable component of the car. And in recent years, in addition to the basic lighting requirement, the lighting effect is paid more and more attention, and the interior lighting lamp design is proposed the diversified requirement of lighting effect, and is not limited to the basic lighting requirement.

[0003] Generally, the interior lighting lamp is provided with cold light source and warm light source to solve the single lighting effect and meet the demand of various color temperatures. However, in actual use, the interior lighting lamp has the problem of poor mixing effect of cold light and warm light. INVENTION CONTENTS

[0004] Therefore, the utility model discloses a lamp and lighting equipment, which can improve the mixing effect of cold light and warm light of the interior lighting lamp and improve the illumination quality.

[0005] The utility model provides the following technical scheme:

[0006] Firstly, the utility model provides a lamp, which comprises:

[0007] A driving board;

[0008] A plurality of light source groups are arranged on the driving board, and each light source group comprises at least two light sources, including a cold light source and a warm light source. The cold light source and the warm light source are respectively connected to the driving board and arranged side by side on the driving board. The illumination range of the cold light source and the illumination range of the warm light source of the same light source group at least partially overlap, and the illumination range of the cold light source and the illumination range of the warm light source of different light source groups at least partially overlap.

[0009] In some embodiments of the first aspect, the color temperature of the light emitted by the warm light source is K1, the color temperature of the light emitted by the cold light source is K2, and 3000K < K1 < 5000K and 6000K < K2 < 10000K are satisfied.

[0010] In some embodiments of the first aspect, the lamp further comprises:

[0011] An adjuster is electrically connected to the driving board, and is used to adjust the current of the cold light source.

[0012] In some embodiments of the first aspect, the cool light source and the warm light source are both light emitting wafers.

[0013] Alternatively, the cool light source and the warm light source are both LEDs.

[0014] In some embodiments of the first aspect, the driving board has an axis, the plurality of light source groups are uniformly distributed along the circumference of the driving board, and the warm light source and the cool light source of the same light source group are sequentially arranged along the radial direction of the driving board, and the warm light source and the cool light source of one of the adjacent light source groups are sequentially arranged in a direction away from the axis, and the warm light source and the cool light source of the other of the adjacent light source groups are sequentially arranged in a direction close to the axis.

[0015] In some embodiments of the first aspect, the lamp further comprises:

[0016] An optical light cup having a light outlet, the driving board is arranged at the bottom of the inner cavity of the optical light cup, and the light source group is located on the side of the driving board facing the light outlet.

[0017] A lens arranged at the light outlet.

[0018] In some embodiments of the first aspect, the lens is a light diffusion lens.

[0019] In some embodiments of the first aspect, the distance between the adjacent light source groups is L, the light transmittance of the lens is A, and the distance between the lens and the light source in the depth direction of the optical light cup is H; wherein the smaller A is, the larger L is, and the smaller H is.

[0020] In some embodiments of the first aspect, a gap is arranged between the adjacent light sources.

[0021] In a second aspect, the application also provides a lighting device, which comprises the lamp as described in any one of the above embodiments.

[0022] Embodiments of the present application have the following advantages:

[0023] The lamp provided by the present application sets the position relationship of the arranged cool light source and warm light source, so that the illumination range of the different groups of cool light source and warm light source and the same group of cool light source and warm light source at least partially overlap, which can more effectively mix the light of two different color temperatures, thereby providing more uniform, natural and adjustable lighting effect. This not only meets the user's demand for illumination quality, but also enhances the driving experience and the comfort of riding.

[0024] This utility model also relates to a lighting device. Since the above-mentioned lamp has the above-mentioned technical effects, the lighting device including the lamp should have the same technical effects, which will not be repeated here.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 The diagram shows a structural schematic of a lamp provided in Embodiment 1 of this utility model from one perspective;

[0028] Figure 2 It shows Figure 1 Schematic diagram of the AA section structure;

[0029] Figure 3 The diagram shows a structural schematic of a lamp provided in Embodiment 2 of this utility model from one perspective;

[0030] Figure 4 It shows Figure 3 Schematic diagram of the LL cross-sectional structure in the diagram;

[0031] Figure 5 The diagram shows a circuit schematic of a lamp provided by an embodiment of the present invention.

[0032] Explanation of key component symbols:

[0033] 100-Housing; 200-Drive board; 300-Light source group; 310-Warm light source; 320-Cool light source; 400-Lens; 500-Regulator. Detailed Implementation

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] It should be noted that when an element is said to be "fixed" to another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected" to another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly" on another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the template description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0039] In related technologies, interior lighting is an indispensable component of automobiles. Moreover, in recent years, in addition to basic lighting requirements, the effect of lighting has received increasing attention, leading to diverse requirements for the design of interior lighting, which are no longer limited to meeting basic lighting requirements.

[0040] Typically, to address the issue of limited illumination and meet various color temperature requirements, vehicle interior lights often incorporate both cool and warm light sources. However, in practical use, there is a problem with the mixing effect of cool and warm light in vehicle interior lights.

[0041] like Figure 1 and Figure 2As shown, in order to solve the above-mentioned technical problems, this application provides a lamp, which includes a driver board 200 and multiple light source groups 300. The multiple light source groups 300 are distributed on the driver board 200, and each light source group 300 includes at least two light sources, including a cool-colored light source 320 and a warm-colored light source 310. The cool-colored light source 320 and the warm-colored light source 310 are electrically connected to the driver board 200, and the cool-colored light source 320 and the warm-colored light source 310 are arranged side by side on the driver board 200. The illumination range of the cool-colored light source 320 and the illumination range of the warm-colored light source 310 in the same light source group 300 at least partially overlap, and the illumination range of the cool-colored light source 320 and the illumination range of the warm-colored light source 310 in different light source groups 300 at least partially overlap.

[0042] These embodiments aim to improve the problem of poor mixing of cool and warm light sources 310 in vehicle interior lighting. The driver board 200 serves as the basic support structure for the entire light source, and also as the power distribution and control center.

[0043] Each light source group 300 contains at least one cool-colored light source 320 and at least one warm-colored light source 310. For example, the cool-colored light source 320 is a bluish-white or white light source, and the warm-colored light source 310 is a yellow or orange light source. The advantage of this configuration is that the color temperature of the light can be adjusted as needed. For example, a warm tone can be used at night to reduce eye strain, while a brighter and clearer cool tone can be selected when concentration is required.

[0044] Clearly, special emphasis is placed on the parallel arrangement of cool-colored light source 320 and warm-colored light source 310, ensuring that the illumination areas of these two different types of light sources from the same light source group 300 at least partially overlap. Furthermore, different light source groups 300 should maintain a certain positional relationship to ensure that the light they produce can converge and blend within a certain area, thereby achieving a better color mixing effect.

[0045] In other words, by arranging the cool-colored light source 320 and the warm-colored light source 310 in a specific position, the illumination ranges of different groups of cool-colored light sources 320 and warm-colored light sources 310, as well as the cool-colored light sources 320 and warm-colored light sources 310 within the same group, overlap at least partially. This allows for a more effective mixing of light of two different color temperatures, thereby providing a more uniform, natural, and adjustable lighting effect. This not only meets the user's needs for lighting quality but also enhances the driving experience and passenger comfort.

[0046] Therefore, through the above design concept, not only can a better visual experience be achieved, but also a more diverse selection space is provided for users. For example, the in-vehicle atmosphere can be adjusted according to personal preferences or specific scenario requirements. At the same time, such a design solution is also beneficial to improving energy utilization efficiency, because through the effective management and control of light sources, power consumption can be minimized while meeting the lighting requirements.

[0047] In some embodiments, the color temperature of the light emitted by the warm-color light source 310 is K1, and the color temperature of the light emitted by the cold-color light source 320 is K2, and they satisfy: 3000K < K1 < 5000K, 6000K < K2 < 10000K.

[0048] In these embodiments, the specific color temperature ranges of the warm-color light source 310 and the cold-color light source 320 are defined as: warm-color light source 310 (K1): 3000K < K1 < 5000K. Cold-color light source 320 (K2): 6000K < K2 < 10000K. Such a setting enables the lighting system to provide a wide spectrum from warm and comfortable to clear and bright.

[0049] Among them, the warm-color light source 310 tends to produce warmer and more yellow light, similar to the effect of a traditional incandescent lamp. This kind of light gives people a warm and relaxing feeling and is suitable for creating a comfortable atmosphere. As the color temperature gradually rises to approach 5000K, the light will become a bit whiter but still maintain a certain warm tone. The light within this range has both a certain degree of comfort and clarity and is suitable for situations where a certain degree of visual clarity is required but without being too dazzling.

[0050] The cold-color light source 320 starts to enter a very cold white or even slightly blue-tinted area. Such high-color-temperature light can greatly improve attention concentration and is particularly beneficial for reading or performing detailed tasks. The extremely cold white light approaching 10000K is close to the midday sunlight in natural daylight and can greatly enhance the space brightness and contrast.

[0051] Exemplarily, for night driving: Using a warm-color light source 310 with a lower color temperature (such as 3000K) can help reduce eye fatigue and create a more relaxing driving environment.

[0052] During daytime or in situations that require high alertness: Adopting a cold-color light source 320 with a higher color temperature (such as 9000K) can improve the driver's wakefulness and sensitivity to changes in the external environment.

[0053] Obviously, by adjusting the ratio of the two cold-color light source 320 and warm-color light source 310, users can flexibly change the in-vehicle atmosphere according to personal preferences or specific needs. In short, by reasonably selecting and mixing light sources with different color temperatures, not only can the functional lighting requirements be met, but also the riding experience can be significantly enhanced.

[0054] For example, in this embodiment, K1 is 3000K. Of course, in other embodiments, K1 can also be 3200K, 3500K, 3800K, 4000K, 4200K, 4500K, 4800K, 5000K, etc.

[0055] For example, in this embodiment, K2 is 6000K. Of course, in other embodiments, K2 can also be 6200K, 6500K, 6800K, 7000K, 7200K, 7500K, 7800K, 8000K, 8200K, 8500K, 8800K, 9000K, 9200K, 9500K, 9800K, 10000K, etc.

[0056] like Figure 5 As shown, in some embodiments, the luminaire also includes a regulator 500, which is electrically connected to the driver board 200, and the regulator 500 is used to regulate the current of the cool color light source 320.

[0057] In these embodiments, the lighting design also includes a regulator 500 electrically connected to the driver board 200 and specifically designed to regulate the current to the cool-colored light sources 320. By changing the current supplied to the cool-colored light sources 320, the brightness of these light sources 320 can be directly controlled. This allows the intensity of the interior lighting to be adjusted according to different usage scenarios or personal preferences. The regulator 500 typically refers to a device capable of controlling current or voltage output. It can adjust the power supply by changing the resistance, capacitance, or other electronic components in the circuit.

[0058] Adjusting only the current of the cool-colored light source 320 can alter the overall color temperature of the lamp's output light to some extent. For example, reducing the current of the cool-colored light source 320 while keeping the warm-colored light source 310 constant will result in a warmer overall light; conversely, increasing the current will increase the overall light. This method allows users to flexibly adjust the atmosphere inside the vehicle as needed. Simultaneously, reducing the operating current of the LEDs reduces their power consumption, thus saving electricity. This is particularly important for energy-sensitive applications such as electric vehicles.

[0059] Furthermore, the color temperature of the warm light source 310 is 3000K-5000K, while the color temperature of the cool light source 320 is 6000K-10000K. The advantages of this setting are:

[0060] When adjusting the color temperature (from warm to cool or vice versa), you only need to adjust the current of the cool light source 320 (without adjusting the current of the warm light source 310) to increase or decrease the proportion of blue light in the mixed light, thereby achieving a change in the color temperature of the light. This makes the adjustment much simpler.

[0061] likeFigure 1 and Figure 2 As shown, in some embodiments, both the cool-color light source 320 and the warm-color light source 310 are light-emitting chips. Alternatively, in other embodiments, both the cool-color light source 320 and the warm-color light source 310 are LEDs.

[0062] In these embodiments, the cool-color light source 320 and the warm-color light source 310 can be light-emitting chips or LEDs. Both of these forms actually refer to different packaging forms of LEDs (light-emitting diodes).

[0063] LED Chips: LED chips refer to bare LED chips that have not undergone packaging. These chips usually require further processing, such as packaging into SMD (Surface Mounted Device) or COL (Chip On Loard) forms, before they can be used in actual products.

[0064] LED: LED refers to a pre-packaged LED that can be directly mounted onto a circuit board. Common packaging types include SMD packages such as 5050 and 3528, as well as some special packaging types such as COB.

[0065] For example, to achieve more refined lighting effects, it is recommended that each cool-colored light source 320 and warm-colored light source 310 in each light source group 300 should have independent current adjustment channels. This allows the desired color temperature and atmosphere to be achieved by adjusting the brightness ratio of the two.

[0066] like Figure 1 and Figure 2 As shown, in some embodiments, the drive plate 200 has an axis, and multiple light source groups 300 are evenly distributed along the circumference of the drive plate 200. The warm light source 310 and the cool light source 320 of the same light source group 300 are arranged sequentially along the radial direction of the drive plate 200. In adjacent light source groups 300, the warm light source 310 and the cool light source 320 in one light source group 300 are arranged sequentially in a direction away from the axis, and the warm light source 310 and the cool light source 320 in another light source group 300 are arranged sequentially in a direction close to the axis.

[0067] In these embodiments, the design of the driver board 200 and the layout of the light source group 300 are very specific. This design is intended to further optimize the mixing effect of the cool light source 320 and the warm light source 310 through a specific arrangement.

[0068] The driving plate 200 has a central axis; for example, the driving plate 200 is a circular or annular substrate, and its geometric center defines this axis. Multiple light source groups 300 are evenly distributed along the circumference of the driving plate 200. This means that the angular intervals between each light source group 300 are equal. Within the same light source group 300, warm-colored light sources 310 and cool-colored light sources 320 are arranged sequentially along the radial direction of the driving plate 200. That is, within the same light source group 300, warm-colored light sources 310 and cool-colored light sources 320 are arranged sequentially from the center outwards (or from the outside towards the center).

[0069] Furthermore, in two adjacent light source groups 300, the warm-colored light source 310 and the cool-colored light source 320 in one light source group 300 are arranged sequentially in a direction away from the axis (for example, warm color first, then cool color). The warm-colored light source 310 and the cool-colored light source 320 in the other adjacent light source group 300 are arranged sequentially in a direction close to the axis (for example, cool color first, then warm color).

[0070] For example, in the direction away from the axis, the first light source group 300 (the first one in the clockwise direction) is provided with a warm light source 310 and a cool light source 320 in sequence; the second light source group 300 (the second one in the clockwise direction) is provided with a cool light source 320 and a warm light source 310 in sequence; the third light source group 300 (the third one in the clockwise direction) is provided with a warm light source 310 and a cool light source 320 in sequence; the fourth light source group 300 (the fourth one in the clockwise direction) is provided with a cool light source 320 and a warm light source 310 in sequence, and so on. The light source groups 300 continue to be evenly distributed around the circumference of the drive plate 200, and the order of the warm light source 310 and the cool light source 320 in each pair of adjacent light source groups 300 is reversed.

[0071] Clearly, the uniform distribution of the light source group 300 along the circumference of the drive plate 200 helps to provide more uniform lighting coverage. Furthermore, by alternating the positions of the warm-colored light source 310 and the cool-colored light source 320, better light mixing can be achieved in different directions, resulting in a more natural and uniform lighting effect.

[0072] like Figure 1 and Figure 2 As shown, in some embodiments, the luminaire also includes a housing 100, an optical reflector, and a lens 400. The optical reflector is installed inside the housing 100 and has a light outlet. The drive plate 200 is disposed at the bottom of the inner cavity of the optical reflector. The light source group 300 is located on the side of the drive plate 200 facing the light outlet, and the lens 400 is disposed at the light outlet.

[0073] In these embodiments, the luminaire includes not only the driver board 200 and the light source assembly 300, but also components such as the housing 100, optical reflector, and lens 400. This design further optimizes the structure and performance of the luminaire, ensuring that light can be effectively focused and diffused, while providing better protection and aesthetics. The housing 100 is the external protective structure of the luminaire, typically made of plastic or metal, to protect internal components from physical damage and environmental factors such as dust and moisture.

[0074] An optical reflector is a reflector, typically with a parabolic or elliptical inner surface, used to collect and guide light emitted from a light source. The optical reflector is mounted inside housing 100. It has an opening called the light exit port, through which light can be guided out. The reflector collects and reflects the light emitted from the light source, making it more concentrated as it exits from the light exit port. Its shape and surface treatment (such as mirror or frosted) control the directionality and uniformity of the light.

[0075] Lens 400 is positioned at the light outlet to further control the distribution of light. The angle and uniformity of light can be adjusted through the design of lens 400 (such as convex lens 400, concave lens 400, Fresnel lens 400, etc.). This reduces glare, improves the mixing effect, and enhances visual comfort.

[0076] For example, lens 400 is circular. Of course, in other embodiments, lens 400 may also be square, elliptical, etc.

[0077] For example, the housing 100 is cylindrical. Of course, in other embodiments, the housing 100 may also be prismatic, elliptical, cylindrical, etc.

[0078] For example, the optical reflector is cylindrical. Of course, in other embodiments, the optical reflector may also be prismatic, elliptical cylindrical, conical, parabolic, etc.

[0079] In some embodiments, lens 400 is a light-diffusing lens.

[0080] In these embodiments, lens 400 is selected as a light-diffusing lens 400 (also known as a frosted lens 400 or a diffuse lens 400). This type of lens 400 has the following characteristics and advantages:

[0081] Light diffusion lenses 400 are typically made of transparent materials such as polycarbonate (PC) or polymethyl methacrylate (PMMA, commonly known as plexiglass). Lens 400 achieves light diffusion performance in the following ways: 1. Based on the required transmittance and haze, a certain proportion of powder (extremely small light-diffusing particles) is added to the material, followed by injection molding, extrusion, or CNC machining of the preform into lens 400, which presents a semi-transparent or white state. After incident light enters the lens, it undergoes multiple reflections and refractions through these tiny particles, resulting in overall uniform and soft outgoing light; 2. The surface (inner and outer surfaces) undergoes special treatment to form a tiny concave-convex structure, giving it a semi-transparent or frosted texture. Through these tiny concave-convex structures, incident light is reflected and refracted multiple times, thereby achieving uniform light scattering; 3. Light diffusion textures (thick and thin horizontal and vertical stripes, mesh textures, triangular textures, etc.) are added to the lens surface (inner and outer surfaces). Through these light diffusion texture structures, incident light is reflected and refracted multiple times, thereby achieving uniform light scattering.

[0082] Clearly, the light-diffusing lens 400 can evenly diffuse the light emitted from a point light source, reducing glare and providing a soft and uniform lighting effect. Because the light is evenly scattered, the strong glare directly hitting the eyes is reduced, improving visual comfort.

[0083] like Figure 1 and Figure 2 As shown, in some embodiments, the spacing between adjacent light source groups 300 is L, the transmittance of lens 400 is A, and the distance between lens 400 and light source in the depth direction of optical cup is H; wherein, the smaller A is, the larger L is, and the smaller H is.

[0084] In these embodiments, if the transmittance A of lens 400 is low and the haze is high, the distance H between lens 400 and the light source in the depth direction of the optical cup can be shortened, and the distance between each group of light sources can be increased. In other words, the smaller the transmittance A (i.e., the greater the haze of lens 400), the larger the spacing L: a larger spacing can reduce the number of adjacent light source groups 300 used, thereby reducing product costs while maintaining good illumination uniformity. The smaller the distance H: a smaller distance allows light to diffuse effectively when passing through the high-haze lens 400, avoiding excessive light dispersion due to excessive distance, which reduces overall brightness and increases product thickness.

[0085] For example, if lens 400 has a thickness of 1mm, a material transmittance of 60%, and a haze of 91%, then H can be greater than 5mm and L can be less than 15mm. The transmittance A (60%) of lens 400 means that only 60% of the incident light can pass through lens 400, with the remaining 40% being scattered or absorbed. Lower transmittance means more light sources are needed to achieve the same brightness. 91% haze means that lens 400 has a strong scattering effect on light, which helps reduce glare and provides a softer, more uniform lighting effect. H > 5mm: Due to the high haze of lens 400, a smaller distance helps maintain effective light diffusion while ensuring that the overall brightness does not decrease significantly due to excessive distance. L < 15mm: Appropriate spacing ensures sufficient overlap in the illumination range of each light source group 300, thus achieving a uniform lighting effect overall. If the spacing is too large, it will result in dark areas between light sources, affecting the uniformity of the lighting effect; conversely, if the spacing is too small, it will increase the number of light sources used, leading to increased costs.

[0086] like Figure 3 and Figure 4 As shown, in some embodiments, a gap is provided between adjacent light sources.

[0087] In these embodiments, this design can offer a number of benefits, including improved heat dissipation, reduced dark areas, and optimized lighting effects.

[0088] In other words, by setting gaps between adjacent light sources, the heat-generating components are spaced further apart, which helps with heat dissipation, thereby extending the lifespan of the LED chips and maintaining their stable performance. Furthermore, appropriate gaps can reduce dark areas between adjacent light sources, improving the uniformity and quality of illumination. Moreover, gaps can help adjust the illumination range of each light source, ensuring that light is more evenly distributed throughout the entire illumination area.

[0089] In some embodiments, this application also provides a lighting device, which includes any of the lamps described in the above embodiments.

[0090] Since the above-mentioned lamps have the aforementioned technical effects, lighting equipment including the lamps should have the same technical effects, which will not be elaborated further here.

[0091] In all examples shown and described herein, any specific values ​​should be interpreted as merely exemplary and not as limitations; therefore, other examples of exemplary embodiments may have different values.

[0092] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0093] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A lamp, characterized in that, The lighting fixture includes: Driver board; Multiple light source groups are distributed on the driving board, and each light source group includes at least two light sources, including a cool-colored light source and a warm-colored light source. The cool-colored light source and the warm-colored light source are electrically connected to the driving board and are arranged side by side on the driving board. The illumination range of the cool-colored light source and the illumination range of the warm-colored light source in the same light source group at least partially overlap, and the illumination range of the cool-colored light source and the illumination range of the warm-colored light source in different light source groups at least partially overlap.

2. The lamp according to claim 1, characterized in that, The color temperature of the light emitted by the warm light source is K1, and the color temperature of the light emitted by the cool light source is K2, and the following conditions are met: 3000K < K1 < 5000K, 6000K < K2 < 10000K.

3. The lamp according to claim 2, characterized in that, The lighting fixture also includes: A regulator, which is electrically connected to the drive board, is used to adjust the current of the cool color light source.

4. The lamp according to claim 1, characterized in that, Both the cool-color light source and the warm-color light source are light-emitting chips; Alternatively, both the cool-colored light source and the warm-colored light source may be LEDs.

5. The lamp according to any one of claims 1 to 4, characterized in that, The drive plate has an axis, and the plurality of light source groups are evenly distributed along the circumference of the drive plate. The warm light source and the cool light source in the same light source group are arranged sequentially along the radial direction of the drive plate. In adjacent light source groups, the warm light source and the cool light source in one light source group are arranged sequentially in a direction away from the axis, and the warm light source and the cool light source in another adjacent light source group are arranged sequentially in a direction close to the axis.

6. The lamp according to claim 1, characterized in that, The lighting fixture also includes: An optical reflector has a light outlet, a driving plate is disposed at the bottom of the inner cavity of the optical reflector, and a light source group is located on the side of the driving plate facing the light outlet; A lens, wherein the lens is disposed at the light outlet.

7. The lamp according to claim 6, characterized in that, The lens is a light-diffusing lens.

8. The lamp according to claim 6, characterized in that, The spacing between adjacent light source groups is L, the transmittance of the lens is A, and the distance between the lens and the light source in the depth direction of the optical cup is H; wherein, the smaller A is, the larger L is, and the smaller H is.

9. The lamp according to claim 1, characterized in that, A gap is provided between adjacent light sources.

10. A lighting device, characterized in that, The lighting equipment includes luminaires as described in any one of claims 1 to 9.

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