A lamp with irradiation surface light distribution function

Abstract

The present invention discloses a lamp with a light distribution function for an irradiated surface, comprising a lampshade and a metal halide lamp light source arranged in the lampshade, the lampshade being provided with a light outlet, a light distribution plate being provided at the light outlet, the light distribution plate being provided with an outward convex portion, and an inner concave surface being provided between the convex portion and the light distribution plate; the light emitted by the metal halide lamp light source can be actively distributed through the light distribution plate, that is, the light passing through the light distribution plate is compensated to the edge through the inner concave surface on the light distribution plate, so that the light on the irradiated surface is more uniform, and the convex portion provided at the same time further compensates for the phenomenon that the central part of the light distribution plate is closer to the light source and the side is darker. Since the thickness of the central part is greater than that of the side part, the light passing through the convex portion has more interference diffusion times, so that the light in the central part is scattered and diffused to the surroundings, so as to avoid the occurrence of light spots caused by the light intensity in the central part being much greater than that in the surroundings.

Description

Technical Field

[0001] The present invention relates to the field of lamps, and in particular to a lamp with an irradiation surface light distribution function. Background Art

[0002] As a lighting tool, lamps are widely used in various industries, especially for daily lighting. Most existing lamps use LED lamps as light sources for lighting. Although LED lamps have many advantages such as energy saving and simple manufacturing, their color rendering is poorer than that of metal halide lamps and is quite different from natural light.

[0003] Metal halide lamps are the third generation of green lighting sources that have emerged in the world today after incandescent lamps and metal halide lamps. With advantages such as high luminous efficiency and good color rendering, they have not only become the first choice for high-end cars, rear-projection TVs, etc., but can also be widely used in military, exploration, underwater operations, field search and rescue, etc. Compared with ordinary incandescent lamps, metal halide lamps have significant energy-saving effects and have broad market application prospects.

[0004] Metal halide lamps can not only be used as a strong lighting source for outdoor work, but also can be used as an excellent lighting source indoors due to its properties that are closest to natural light. This allows users, students, etc. to use metal halide lamps with better properties as a lighting source for reading or work.

[0005] Since metal halide lamps have a higher lighting intensity than ordinary LED energy-saving lamps, although the color rendering is better when used alone, it is not suitable for direct illumination on objects or books due to its high intensity, so as to avoid affecting the user's eyes due to strong light reflection. At the same time, since metal halide lamps are usually used as a single light source for lighting, especially when used as chandeliers or indoor light sources, it is easy to form a phenomenon where the light directly below is strong and the light around is weak, thereby forming a more obvious light spot directly below the lamp. Especially as a lamp used in a classroom, it has higher requirements for the uniformity of light illumination. For this reason, it is necessary to diffuse the light emitted by the metal halide lamp through a diffusion plate. However, although the existing diffusion plate can play a divergent role, there is still a phenomenon that the light intensity in the middle is relatively high and a light spot is formed on the irradiated surface. For this reason, the present application proposes a lamp with an irradiated surface light distribution function, which can actively distribute light to the metal halide lamp used as a light source. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a lamp with a simple structure and capable of performing divergent light distribution processing on light and having an irradiation surface light distribution function.

[0007] In order to solve the above technical problems, the present invention is solved through the following technical solutions: a lamp with an irradiation surface light distribution function, including a lampshade and a metal halide lamp light source arranged in the lampshade, the lampshade is provided with a light outlet, a light distribution plate is arranged at the light outlet, the light distribution plate is provided with an outward protrusion, and an inner concave surface is arranged between the protrusion and the light distribution plate.

[0008] Furthermore, the raised portion is arranged directly below the light source of the metal halide lamp; the advantage is that the light source of the metal halide lamp is closest to the light distribution board, and the light intensity at this location is the largest when light is transmitted. The raised portion increases the thickness of this location, diffuses the light more fully, and reduces the brightness of this location, thereby balancing the light intensity on the irradiated surface after the light passes through the light distribution board.

[0009] Furthermore, the protrusion is integrally formed with the light distribution plate, and the light distribution plate and the lampshade are detachably matched; the advantage is that the integrally formed setting facilitates production and processing by the enterprise, and effectively reduces the assembly process in the matching process. When the split type is adopted, there will be an air gap between the light distribution plate and the protrusion, or when the light is fixed by bonding, the loss of light passing through different media will increase, resulting in reduced light utilization efficiency.

[0010] Furthermore, the light distribution plate is disc-shaped, the raised portion is arranged at the center of the light distribution plate, and the concave surface has a smooth transition; the advantage is that the light passing through the light distribution plate can be more effectively diverged and compensated toward the edge through the smoothly transitioned concave surface, which is beneficial to improve the illumination of the edge part, so that the light intensity on the irradiated surface is the same, avoiding the occurrence of abnormal brightness spots due to different illumination.

[0011] Furthermore, the light distribution board has the same thickness at all places; the advantage is that the same thickness can form a cone-like groove above the light distribution bar, effectively saving material costs. At the same time, due to the high heat generation of metal halide lamps, the uniform thickness design can also make the temperature dissipation more uniform, avoiding deformation of the light distribution board caused by uneven temperature.

[0012] Furthermore, a condenser is arranged inside the lampshade, the light source of the metal halide lamp is detachably arranged inside the condenser, a light-transmitting port is arranged at the lower end of the condenser, and a light-transmitting plate is also arranged on the condenser, and the light-transmitting plate is located at the light-transmitting port; the advantage is that the condenser can effectively provide the utilization of the light source, so that the light is concentrated and transmitted downward from the light outlet.

[0013] Furthermore, the detachable condenser is provided with a fixing ring, and the condenser is fixed to the lampshade by the fixing ring; the advantage is that the condenser can be independently set by the fixing ring, that is, it is only connected and fixed to the lampshade by the fixing ring, so that an air insulation layer is formed between the lampshade and the condenser, avoiding the phenomenon of the lampshade temperature being too high and scalding the user.

[0014] Furthermore, a clamping groove is provided at the upper end of the metal halide lamp light source, and a clamping plate which cooperates with the clamping groove and is used to clamp the metal halide lamp light source is detachably provided at the upper end of the condenser; the advantage is that the metal halide lamp light source can be further fixed after installation through the cooperation between the clamping groove and the clamping plate to prevent it from rotating, thus avoiding shaking of the metal halide lamp light source or poor contact caused by vibration and other factors.

[0015] Furthermore, a hook for hanging installation is also provided at the upper end of the lampshade; the advantage is that the setting of the hook can facilitate the hanging and installation of the lamp, thereby improving the user experience.

[0016] Furthermore, the light distribution plate is a diffusion plate; the advantage is that the light can be reliably and fully diverged through the cooperation of the diffusion plate and the inner concave surface, while the diverged light is compensated toward the edge, so that the light intensity of the irradiated surface is more uniform and stable.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the light emitted by the metal halide lamp light source can be actively distributed through the light distribution plate, that is, the light passing through the light distribution plate is compensated to the edge through the concave surface on the light distribution plate, so that the light on the irradiation surface is more uniform, avoiding point light sources, especially strong lighting sources such as metal halide lamps, which have different light intensities on the irradiation surface when in use, especially when reading, the different light intensities irradiated on the book will cause a certain place to be brighter and more dazzling than the surrounding, avoiding the appearance of light spots.

[0018] The raised part further compensates for the phenomenon that the middle part of the light distribution board is closer to the light source, resulting in stronger light in the middle part and darker light on the sides. Since the thickness of the middle part is greater than that of the side part, the light passing through the raised part will interfere and diffuse more times, thus breaking up the light in the middle part and diffusing it to the surroundings, avoiding the appearance of light spots due to the light intensity in the middle being much greater than that in the surroundings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of assembling the lampshade and the light distribution plate of the present invention;

[0022] Figure 3 2 is a schematic diagram of the cross-sectional structure;

[0023] Figure 4 It is a disassembly schematic diagram of the lampshade of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the condenser of the present invention;

[0025] Figure 6 It is a disassembly schematic diagram of the condenser of the present invention;

[0026] Figure 7 A schematic structural diagram of a light distribution board in a novel embodiment 1;

[0027] Figure 8 for Figure 7 Schematic cross-sectional view of ;

[0028] Fig. 9 This is one of the schematic diagrams of the light path of Example 1;

[0029] Fig.10 This is the second schematic diagram of the light path of Example 1;

[0030] Fig.11 is a cross-sectional schematic diagram of a light distribution plate of Embodiment 2;

[0031] Fig.12 A diagram of the ray paths when using an existing light distribution panel for a point light source. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below with reference to the accompanying drawings.

[0033] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be used for other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the present invention.

[0034] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0035] It should be noted that the existing light distribution board is as follows Fig.12 It is shown as a flat plate. Although it can diverge the transmitted light, when the illumination of the light source is strong, there will still be a phenomenon of brightness balance on the illuminated plane, that is, the brightness in the middle is much greater than the surrounding, and an abnormal light spot will appear, where angle a is the diffusion angle of a beam of light after passing through the diffuser.

[0036] Embodiment 1, as attached Figures 1 to 11 As shown, a lamp with a light distribution function for an irradiated surface comprises a lampshade 1 and a metal halide lamp light source 2 arranged in the lampshade 1, the lampshade 1 is provided with a light outlet 3, the lampshade 1 is detachably provided with a clamping ring 13, the clamping ring 13 is threadedly connected to the lampshade 1, a boss 14 is integrally provided on the clamping ring 13, a light distribution plate 4 composed of a diffusion plate is provided at the light outlet 3, the light distribution plate 4 blocks the light outlet 3, and the light distribution plate 4 is mounted on the boss 14, thereby realizing the detachable cooperation between the light distribution plate 4 and the lampshade 1.

[0037] In order to realize the light distribution function of the light distribution plate 4, an outward protrusion 5 is integrally provided on the lower end surface of the light distribution plate 4, and an inner concave surface 6 is provided between the protrusion 5 and the light distribution plate 4; the light distribution plate 4 is disc-shaped, the protrusion 5 is provided at the center of the light distribution plate 4, and the inner concave surface 6 has a smooth transition, so that the light distribution plate 4 is in a shape similar to a cone, and the side of the cone is concave. Therefore, when the light passes through the light distribution plate 4 and diverges from the inner concave surface 6, it is compensated to the edge of the light distribution plate 4, thereby reducing the luminous flux of the center of the light distribution plate 4, so that when the light is transmitted on the irradiation surface, the light intensity on the irradiation surface is relatively uniform, and no abnormal bright spots will appear.

[0038] Furthermore, a condenser 7 is provided in the lampshade 1, and the metal halide lamp light source 2 is assembled in the condenser 7 by threading. A light-transmitting port 8 is provided at the lower end of the condenser 7, and a light-transmitting plate 9 is also provided in the condenser 7, and the light-transmitting plate 9 is located at the light-transmitting port 8; the condenser 7 is detachably provided with a fixing ring 10 by bolts, and the light-transmitting plate 9 is located between the fixing ring 10 and the condenser 7, and the light-transmitting cover is pressed by the fixing ring 10, and the condenser 7 is fixed to the lampshade 1 by the fixing ring 10. A pressing groove 11 is provided at the upper end of the metal halide lamp light source 2, and a pressing sheet 12 is detachably provided at the upper end of the condenser 7, which is matched with the pressing groove 11 and used to press the metal halide lamp light source 2, so as to avoid the rotation of the metal halide lamp due to external factors such as vibration after installation, and improve the stability of the metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also provided at the upper end of the lampshade 1.

[0039] Embodiment 2: A lamp with a light distribution function for an irradiated surface, comprising a lampshade 1 and a metal halide lamp light source 2 arranged in the lampshade 1, wherein the lampshade 1 is provided with a light outlet 3, and the lampshade 1 is detachably provided with a retaining ring 13, wherein the retaining ring 13 is threadedly connected to the lampshade 1, and a boss 14 is integrally provided on the retaining ring 13, and a light distribution plate 4 composed of a diffusion plate is provided at the light outlet 3, wherein the light distribution plate 4 blocks the light outlet 3, and the light distribution plate 4 is mounted on the boss 14, thereby realizing the detachable cooperation between the light distribution plate 4 and the lampshade 1.

[0040] In order to realize the light distribution function of the light distribution plate 4, an outward convex portion 5 is integrally provided on the lower end surface of the light distribution plate 4, and the thickness of the light distribution plate 4 is the same at all places, and an inner concave surface 6 is provided between the convex portion 5 and the light distribution plate 4; the light distribution plate 4 is a disc-shaped plate with a concave middle portion, the convex portion 5 is provided at the center of the light distribution plate 4, and the inner concave surface 6 has a smooth transition, so that the light distribution plate 4 is similar to a hollow cone shape, and the side of the cone is concave, as shown in the attached Fig.11 As shown. Therefore, when the light passes through the light distribution plate 4 and diverges from the inner concave surface 6, it is compensated to the edge of the light distribution plate 4, thereby reducing the luminous flux in the center of the light distribution plate 4, so that when the light is transmitted on the irradiation surface, the light intensity on the irradiation surface is relatively uniform, and no abnormal bright spots will appear. Since the thickness of the light distribution plate 4 is the same at all places, the material consumption of the enterprise during production is greatly reduced, effectively reducing the enterprise cost.

[0041] Furthermore, a condenser 7 is provided in the lampshade 1, and the metal halide lamp light source 2 is assembled in the condenser 7 by threading. A light-transmitting port 8 is provided at the lower end of the condenser 7, and a light-transmitting plate 9 is also provided in the condenser 7, and the light-transmitting plate 9 is located at the light-transmitting port 8; the condenser 7 is detachably provided with a fixing ring 10 by bolts, and the light-transmitting plate 9 is located between the fixing ring 10 and the condenser 7, and the light-transmitting cover is pressed by the fixing ring 10, and the condenser 7 is fixed to the lampshade 1 by the fixing ring 10. A pressing groove 11 is provided at the upper end of the metal halide lamp light source 2, and a pressing sheet 12 is detachably provided at the upper end of the condenser 7, which is matched with the pressing groove 11 and used to press the metal halide lamp light source 2, so as to avoid the rotation of the metal halide lamp due to external factors such as vibration after installation, and improve the stability of the metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also provided at the upper end of the lampshade 1.

[0042] Embodiment 3: A lamp with a light distribution function for an irradiated surface, comprising a lampshade 1 and a metal halide lamp light source 2 arranged in the lampshade 1, wherein the lampshade 1 is provided with a light outlet 3, and the lampshade 1 is detachably provided with a retaining ring 13, wherein the retaining ring 13 is threadedly connected to the lampshade 1, and a boss 14 is integrally provided on the retaining ring 13, and a light distribution plate 4 composed of a diffusion plate is provided at the light outlet 3, wherein the light distribution plate 4 blocks the light outlet 3, and the light distribution plate 4 is mounted on the boss 14, thereby realizing the detachable cooperation between the light distribution plate 4 and the lampshade 1.

[0043] In order to realize the light distribution function of the light distribution plate 4, the light distribution plate 4 is in the shape of a flat plate, and an outward protrusion 5 can be set on the lower end surface of the light distribution plate 4. The protrusion 5 can be fixed to the light distribution plate 4 by bonding or other methods. An inner concave surface 6 is set between the side of the protrusion 5 and the light distribution plate 4; the light distribution plate 4 is in the shape of a disk, and the protrusion 5 is set at the center of the light distribution plate 4, and the inner concave surface 6 has a smooth transition, so that the light distribution plate 4 is similar to a cone shape, and the side of the cone is concave. Therefore, when the light passes through the light distribution plate 4 and diverges from the inner concave surface 6, it is compensated to the edge of the light distribution plate 4, thereby reducing the luminous flux of the center of the light distribution plate 4, so that when the light is transmitted on the irradiation surface, the light intensity on the irradiation surface is relatively uniform, and no abnormal bright spots will appear.

[0044] Furthermore, a condenser 7 is provided in the lampshade 1, and the metal halide lamp light source 2 is assembled in the condenser 7 by threading. A light-transmitting port 8 is provided at the lower end of the condenser 7, and a light-transmitting plate 9 is also provided in the condenser 7, and the light-transmitting plate 9 is located at the light-transmitting port 8; the condenser 7 is detachably provided with a fixing ring 10 by bolts, and the light-transmitting plate 9 is located between the fixing ring 10 and the condenser 7, and the light-transmitting cover is pressed by the fixing ring 10, and the condenser 7 is fixed to the lampshade 1 by the fixing ring 10. A pressing groove 11 is provided at the upper end of the metal halide lamp light source 2, and a pressing sheet 12 is detachably provided at the upper end of the condenser 7, which is matched with the pressing groove 11 and used to press the metal halide lamp light source 2, so as to avoid the rotation of the metal halide lamp due to external factors such as vibration after installation, and improve the stability of the metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also provided at the upper end of the lampshade 1.

[0045] Embodiment 4: A lamp with a light distribution function for an irradiated surface, comprising a lampshade 1 and a metal halide lamp light source 2 arranged in the lampshade 1, wherein the lampshade 1 is provided with a light outlet 3, and the lampshade 1 is detachably provided with a retaining ring 13, wherein the retaining ring 13 is threadedly connected to the lampshade 1, and a boss 14 is integrally provided on the retaining ring 13, and a light distribution plate 4 composed of a diffusion plate is provided at the light outlet 3, wherein the light distribution plate 4 blocks the light outlet 3, and the light distribution plate 4 is mounted on the boss 14, thereby realizing the detachable cooperation between the light distribution plate 4 and the lampshade 1.

[0046] In order to realize the light distribution function of the light distribution plate 4, an outward protrusion 5 is provided on the lower end surface of the light distribution plate 4, and an inner concave surface 6 is provided between the protrusion 5 and the light distribution plate 4; the light distribution plate 4 is polygonal, the protrusion 5 is provided at the center of the light distribution plate 4, and the inner concave surface 6 has a smooth transition, so that the light distribution plate 4 is similar to a multi-sided pyramid, and the side of the pyramid is concave. Therefore, when the light passes through the light distribution plate 4 and diverges from the inner concave surface 6, it is directional compensated to the edge of the light distribution plate 4, thereby reducing the luminous flux of the center of the light distribution plate 4, so that when the light is transmitted on the irradiation surface, the light intensity on the irradiation surface is relatively uniform, and no abnormal bright spots will appear.

[0047] Furthermore, a condenser 7 is provided in the lampshade 1, and the metal halide lamp light source 2 is assembled in the condenser 7 by threading. A light-transmitting port 8 is provided at the lower end of the condenser 7, and a light-transmitting plate 9 is also provided in the condenser 7, and the light-transmitting plate 9 is located at the light-transmitting port 8; the condenser 7 is detachably provided with a fixing ring 10 by bolts, and the light-transmitting plate 9 is located between the fixing ring 10 and the condenser 7, and the light-transmitting cover is pressed by the fixing ring 10, and the condenser 7 is fixed to the lampshade 1 by the fixing ring 10. A pressing groove 11 is provided at the upper end of the metal halide lamp light source 2, and a pressing sheet 12 is detachably provided at the upper end of the condenser 7, which is matched with the pressing groove 11 and used to press the metal halide lamp light source 2, so as to avoid the rotation of the metal halide lamp due to external factors such as vibration after installation, and improve the stability of the metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also provided at the upper end of the lampshade 1.

[0048] Embodiment 5, a lamp with a light distribution function for an irradiated surface, comprising a lampshade 1 and a metal halide lamp light source 2 arranged in the lampshade 1, wherein the metal halide lamp light source 2 is a point light source, and a plurality of lamp beads arranged in a concentrated manner can be regarded as a point light source when emitting light, the lampshade 1 is provided with a light outlet 3, the lampshade 1 is detachably provided with a retaining ring 13, the retaining ring 13 is threadedly connected to the lampshade 1, a boss 14 is integrally provided on the retaining ring 13, a light distribution plate 4 composed of a diffusion plate is provided at the light outlet 3, the light distribution plate 4 blocks the light outlet 3, and the light distribution plate 4 is mounted on the boss 14, thereby realizing the detachable cooperation between the light distribution plate 4 and the lampshade 1.

[0049] In order to realize the light distribution function of the light distribution plate 4, the light distribution plate 4 is in a cubic shape, and an outward protrusion 5 is provided on the lower end surface of the light distribution plate 4, and an inner concave surface 6 is provided between the protrusion 5 and the light distribution plate 4, and the protrusion 5 is provided at the edge of the light distribution plate 4, and the inner concave surface 6 has a smooth transition, so that the light distribution plate 4 is in a shape similar to a triangular prism, and the side surface of the prism is concave in a cylindrical shape. Therefore, when the light passes through the light distribution plate 4 and diverges from the inner concave surface 6, directional compensation is performed in the specified direction of the light distribution plate 4, that is, light compensation is performed on the thin edge of the triangular prism, so that when the light is transmitted on the specified irradiation surface, the light intensity on the irradiation surface is relatively uniform, and no abnormal bright spots will appear.

[0050] Furthermore, a condenser 7 is provided in the lampshade 1, and the metal halide lamp light source 2 is assembled in the condenser 7 by threading. A light-transmitting port 8 is provided at the lower end of the condenser 7, and a light-transmitting plate 9 is also provided in the condenser 7, and the light-transmitting plate 9 is located at the light-transmitting port 8; the condenser 7 is detachably provided with a fixing ring 10 by bolts, and the light-transmitting plate 9 is located between the fixing ring 10 and the condenser 7, and the light-transmitting cover is pressed by the fixing ring 10, and the condenser 7 is fixed to the lampshade 1 by the fixing ring 10. A pressing groove 11 is provided at the upper end of the metal halide lamp light source 2, and a pressing sheet 12 is detachably provided at the upper end of the condenser 7, which is matched with the pressing groove 11 and used to press the metal halide lamp light source 2, so as to avoid the rotation of the metal halide lamp due to external factors such as vibration after installation, and improve the stability of the metal halide lamp. In order to facilitate the installation of the lamp, a hook 15 for hanging installation is also provided at the upper end of the lampshade 1.

[0051] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A lamp with a light distribution function for an irradiated surface, comprising a lampshade and a metal halide lamp light source arranged in the lampshade, wherein the lampshade is provided with a light outlet, characterized in that: A light distribution plate composed of a diffusion plate is arranged at the light outlet, the light distribution plate is provided with an outward protrusion, an inner concave surface is arranged between the protrusion and the light distribution plate, the light distribution plate is disc-shaped, the protrusion is arranged at the center of the light distribution plate, and the inner concave surface has a smooth transition.

2. A lamp with an illumination surface light distribution function according to claim 1, characterized in that: The protrusion is arranged just below the light source of the metal halide lamp.

3. The lamp with the function of irradiating light according to claim 1, characterized in that: The protrusion is integrally formed with the light distribution plate, and the light distribution plate and the lampshade are detachably matched.

4. A lamp with an illumination surface light distribution function according to any one of claims 1 to 3, characterized in that: The light distribution plate has the same thickness at all locations.

5. The lamp with the function of irradiating light according to claim 1, characterized in that: A condenser is arranged in the lampshade, the metal halide lamp light source is detachably arranged in the condenser, a light-transmitting opening is arranged at the lower end of the condenser, and a light-transmitting plate is also arranged in the condenser, and the light-transmitting plate is located at the light-transmitting opening.

6. The lamp with the function of irradiating light according to claim 5, characterized in that: The condenser is detachably provided with a fixing ring, and the condenser is fixed to the lampshade via the fixing ring.

7. The lamp with the function of irradiating light according to claim 5, characterized in that: The upper end of the metal halide lamp light source is provided with a pressing groove, and the upper end of the condenser is detachably provided with a pressing sheet that matches the pressing groove and is used to press the metal halide lamp light source.

8. The lamp with the function of irradiating light according to claim 1, characterized in that: The upper end of the lampshade is also provided with a hook for hanging installation.

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