Traffic signal lamp capable of realizing reflective shielding effect
By installing reflective shielding components and heat sinks on traffic lights, the problems of sunlight reflection and heat dissipation were solved, thereby improving the reflective shielding effect and heat dissipation effect.
Patent Information
- Application Number
- CN202423259989.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing traffic lights are prone to glare from direct sunlight, which affects the vision of drivers and pedestrians, and their heat dissipation is poor.
A reflective shielding component is installed on the luminous surface of the signal light, including a light guide and a cover plate. The light guide has a raised cone and a prism, and the cover plate forms a waterproof structure with the heat sink. It reduces sunlight reflection through diffuse reflection and dissipates heat in conjunction with the heat sink.
It effectively reduces the area of sunlight reflection, ensuring that drivers and pedestrians can clearly see the color of the traffic lights, improves the heat dissipation efficiency of the traffic lights, and avoids damage.
Smart Images

Figure CN223743170U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to traffic signal light, specifically, it is a kind of traffic signal light that can realize the effect of reflection shielding. BACKGROUND
[0002] Traffic signal light can generate a lot of heat in use, if not in time, it can cause signal light damage.Traffic signal light relies mainly on radiator, radiator needs to have the function of heat conduction, heat convection, heat radiation.
[0003] Traffic signal light is an important part of traffic control, is the basic language of road traffic, traffic signal light is forbidden by red light, green light indicates that it is allowed to pass, yellow light indicates warning, is divided into motor vehicle signal light, non-motor vehicle signal light, pedestrian crossing signal light, lane signal light, direction indicating signal light, flashing warning signal light, road and railway intersection signal light, is indispensable tool of road traffic, and traffic signal light application process needs external installation sunshade anti-reflection device to shield sunlight and prevent anti-reflection processing, but the existing sunshade anti-reflection device is provided with cover on traffic signal light, so that sunlight cannot directly irradiate traffic signal light emitting surface, but in a certain period, cover cannot completely block sunlight, and sunlight still irradiates traffic signal light emitting surface and forms reflection.
[0004] Therefore, it is necessary to improve the existing traffic signal light. CONTENT OF UTILITY MODEL
[0005] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a traffic signal light that can realize reflection shielding effect, and the purpose of designing the traffic signal light is to prevent reflection.
[0006] To solve the above technical problems, the utility model realizes the following scheme: a traffic signal light that can realize reflection shielding effect, comprising lamp support and signal light arranged on the lamp support, the signal light comprises radiator and light source arranged on the radiator, the light source comprises substrate and a plurality of LEDs arranged on the substrate, the signal light further comprises reflection shielding assembly, and the reflection shielding assembly comprises:
[0007] Light guide part, the first surface of the light guide part has a plurality of convex cone packages, and the end surface of each cone package is provided with a sunken surface, the second surface of the light guide part is distributed with a plurality of edge surfaces arranged one by one with the cone package, the light guide part covers the substrate, and each sunken surface is arranged one by one on each LED;
[0008] A cover plate is buckled to the heat sink and forms a waterproof structure with the heat sink, a plate body of the cover plate is provided with a plurality of conical cavities arranged one by one with the edge surfaces, the conical cavities pass through two surfaces of the cover plate and surround the corresponding edge surfaces, one end of the conical cavities towards the edge surfaces is a narrow opening, and the other end away from the narrow opening is a wide opening, and the cover plate can fix the light guide part after being fixed.
[0009] Further, the signal lamp at least comprises a first signal lamp emitting red light, a second signal lamp emitting green light.
[0010] Further, the signal lamp further comprises a third signal lamp emitting yellow light.
[0011] Further, the heat sink is a circular heat sink, the first surface of which is provided with a circular cavity, and the second surface of which is provided with heat dissipation fins.
[0012] Further, the base plate is provided with a fool-proof structure.
[0013] Further, the light guide part is an explosion-proof transparent glass panel or an explosion-proof transparent resin panel.
[0014] Further, the number of side surfaces of the conical cavity is greater than or equal to 3.
[0015] Further, the edge surface is a concave-convex surface composed of a polygon.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] 1. The utility model improves the existing traffic signal lamp, specifically, the utility model sets up a light reflection shielding assembly on the light emitting surface of the signal lamp, so that the sunlight reflection area is small, and the reflected light is avoided from shining on the driver or the pedestrian.
[0018] 2. The utility model sets up an edge surface on the light guide part, the edge surface forms diffuse reflection, and the sunlight reflection is further weakened. DRAWINGS
[0019] Figure 1 It is a structural schematic view of the utility model traffic signal lamp.
[0020] Figure 2 It is an enlarged view of one traffic signal lamp of the utility model.
[0021] Figure 3 It is an explosion view of one traffic signal lamp of the utility model.
[0022] Figure 4 It is a structural schematic view of the edge surface of the utility model.
[0023] Marked in the drawing: lamp support 1, signal lamp 2, light reflection shielding assembly 21, radiator 22, screw 23, base plate 24, LED 25, light guide part 211, cover plate 212, prismatic surface 213. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, so that the advantages and characteristics of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application can be more clearly and definitely defined. Obviously, the described embodiments of the present application are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.
[0025] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.
[0026] Embodiment 1: The specific structure of the present application is as follows:
[0027] Please refer to the accompanying Figures 1-3 The traffic signal lamp capable of realizing light reflection shielding effect of the present application comprises a lamp support 1 and a signal lamp 2 arranged on the lamp support 1. The signal lamp 2 comprises a radiator 22 and a light source arranged on the radiator 22. The light source comprises a base plate 24 and a plurality of LEDs 25 arranged on the base plate 24. The signal lamp 2 further comprises a light reflection shielding assembly 21. The radiator 22 is a circular radiator, the first surface of which has a circular cavity, and the second surface of which is provided with heat dissipation fins. The radiator 22 is an aluminum radiator, which is provided with two through holes. Screws 23 are arranged in the two through holes, and the two screws 23 fix the radiator 22 on the signal lamp body. The signal lamp body can adopt a product of the prior art.
[0028] The light reflection shielding assembly 21 comprises a light guide part 211 and a cover plate 212.
[0029] The light guide part 211 has a plurality of protruding conical packages on the first surface, and the end surface of each conical package is provided with a sunken surface. A plurality of prismatic surfaces 213 are arranged on the second surface of the light guide part 211 in one-to-one correspondence with the conical packages. The prismatic surfaces 213 are concave-convex surfaces composed of polygons. The light guide part 211 covers the base plate 24, and each sunken surface covers each LED 25 in one-to-one correspondence. The LED 25 emits light after being electrified. All the prismatic surfaces 213 are arranged in a circular array. When the LED 25 is electrified, the indicator lamp formed is also a circular dot array structure, which is easy to be seen by drivers or pedestrians.
[0030] A cover plate 212 is buckled to the heat sink 22 and forms a waterproof structure with the heat sink 22, the plate body of the cover plate 212 is provided with a plurality of taper cavities which are one-to-one arranged with the edge surfaces 213, the taper cavities pass through both surfaces of the cover plate 212 and surround the corresponding edge surfaces 213, one end of the taper cavities towards the edge surfaces 213 is a narrow opening, and the other end away from the narrow opening is a wide opening, the cover plate 212 can fix the light guide part 211 after being fixed.
[0031] As shown in Figure 2 , 4 , the cover plate 212 is a circular structure, the periphery is a circular ring, and the taper cavities are distributed in the circular ring area, from Figure 2 it can be seen that the port of the wide opening of the taper cavity is a linear edge, the reflecting surface is small, the sunlight irradiated to the edge of the wide opening is not enough to reflect the light in a large area, in addition to the design of the edge surface, therefore, no matter where the sunlight is located, the light emitting surface of the signal lamp 2 will not produce a large area of reflection, and then the driver will not be affected by the light, and the driver can clearly see the color of the signal lamp 2.
[0032] The signal lamp 2 at least includes a first signal lamp emitting red light, a second signal lamp emitting green light. The signal lamp 2 further includes a third signal lamp emitting yellow light. The lamp support 1 is provided with three mounting holes, and the first signal lamp, the second signal lamp and the third signal lamp are respectively installed in the three mounting holes. The traffic signal lamp provided with three groups of signal lamps 2 generally indicates the main road, and the traffic signal lamp provided with only red and green lights indicates the pedestrian crossing. Embodiment 2:
[0033] The substrate 24 is provided with a fool-proof structure, as shown in Figure 3 , the substrate 24 is provided with two notches, the two notches are fool-proof to avoid misinstallation, and then avoid mispositioning of the LED 25 and the taper.
[0034] Embodiment 3:
[0035] The light guide part 211 is an explosion-proof transparent glass panel or an explosion-proof transparent resin panel, and the light guide part 211 of the present embodiment is preferably an explosion-proof transparent glass panel.
[0036] Embodiment 4:
[0037] As shown in Figure 2 , the number of side surfaces of the taper cavities is greater than or equal to 3, Figure 2 , in which, in addition to the edge being provided with a plurality of four taper cavities, the other taper cavities are provided as six.
[0038] In summary, the utility model makes improvement to the prior traffic signal lamp, specifically, the utility model is in the luminous surface of signal lamp setting reflection shield component, make the sunlight reflection area is small, avoid the reflection light to the driver. The utility model discloses the prismatic surface is set up in the light guide part, and the prismatic surface forms the diffuse reflection, and also further weakens the sunlight reflection.
[0039] The above-mentioned is only the preferred implementation of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A traffic signal lamp capable of achieving a light reflection shielding effect, comprising a lamp support (1) and a signal lamp (2) arranged on the lamp support (1), wherein the signal lamp (2) comprises a heat sink (22) and a light source arranged on the heat sink (22), and the light source comprises a substrate (24) and a plurality of LEDs (25) arranged on the substrate (24), characterized in that, The signal lamp (2) further comprises a light reflection and shielding assembly (21), which comprises: a light guide part (211), a first surface of the light guide part (211) is provided with a plurality of convex cone packages, and an end surface of each cone package is provided with a sunken surface, a second surface of the light guide part (211) is distributed with a plurality of edge surfaces (213) arranged one by one with the cone packages, the light guide part (211) covers the substrate (24) and covers each LED (25) one by one with each sunken surface; a cover plate (212), buckled to the heat sink (22) and forming a waterproof structure with the heat sink (22), a plate body of the cover plate (212) is provided with a plurality of cone cavities arranged one by one with the edge surfaces (213), the cone cavities penetrate through two surfaces of the cover plate (212) and surround the corresponding edge surfaces (213), one end of the cone cavities towards the edge surfaces (213) is a narrow opening, and the other end away from the narrow opening is a wide opening, and the cover plate (212) can fix the light guide part (211) after being fixed.
2. The traffic signal lamp capable of achieving a light reflection shading effect according to claim 1, wherein The signal lamp (2) at least comprises a first signal lamp emitting red light and a second signal lamp emitting green light.
3. The traffic signal lamp of claim 2, wherein the light reflecting and shielding effect is achieved by the light reflecting and shielding layer. The signal lamp (2) further comprises a third signal lamp emitting yellow light.
4. The traffic signal lamp of claim 1, wherein, The heat sink (22) is a circular heat sink, a first surface of the heat sink (22) is provided with a circular cavity, and a second surface of the heat sink (22) is provided with heat dissipation fins.
5. The traffic signal lamp of claim 1, wherein The substrate (24) is provided with a fool-proof structure.
6. The traffic signal lamp of claim 1, wherein, The light guide part (211) is an explosion-proof transparent glass panel or an explosion-proof transparent resin panel.
7. The traffic signal lamp of claim 1, wherein the traffic signal lamp is configured to provide a reflective masking effect. The number of side surfaces of the cone cavity is greater than or equal to 3.
8. The traffic signal lamp of claim 1, wherein, The edge surface (213) is a concave-convex surface composed of a polygon.