Direct light-emitting type underground marker lamp
By adopting a luminous cavity and a concentrating surface structure in the underground fire emergency sign light, the problem of uneven light in the existing technology is solved, the uniformity and cost of light are reduced, and the national standard requirements are met.
Patent Information
- Application Number
- CN202420567184.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The light of existing underground fire emergency sign lights is uneven, resulting in waste of resources and does not comply with national standards.
A straight-luminous underground sign lamp is designed, adopting a light-emitting cavity and a light-concentrating surface structure to reduce the diffusion area of light and converge light, and display it to the outside through the light-transmitting component.
It achieves uniformity of light, reduces costs, saves resources, and meets the national standard requirements.
Smart Images

Figure CN222774966U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of emergency lamps, in particular to a direct-lighting underground marker lamp. Background Art
[0002] According to fire safety requirements, fire emergency sign lamps are required to be installed in public buildings or near buildings for fire emergency evacuation indication. One type of existing fire emergency sign lamps is underground fire emergency sign lamps. With the advancement of technology, product beauty, cost control, layout cost and other factors, plastic bottom shell underground lamps with lower cost, thinner thickness, more convenient installation and more reasonable structure have been well received by customers once they were launched. There are two ways to light them. One is to use LED light source to light the light guide plate and then display the light to the outside through the light-transmitting part. The light is more uniform, but the structure is more duplicated, and there are more accessories, which is expensive; the other is to set LED light source under the light-transmitting part, and the LED light source directly lights and irradiates the light-transmitting part. The structure is cheap and simple, but the light will diverge in the plastic bottom shell, resulting in uneven light projected on the light-transmitting part, which is difficult for users to accept and even does not meet national standards, and wastes light, resulting in waste of resources. Utility Model Content
[0003] The utility model aims to provide a direct-lighting underground marker lamp with simple structure, uniform light and low cost.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-lighting underground marker light, comprising: a bottom shell, a light-emitting component arranged inside the bottom shell, and a light-transmitting component arranged above the bottom shell; the bottom shell is provided with a light-emitting cavity, the light-emitting cavity is provided with an opening portion, a light-emitting portion and a light-focusing surface, the opening portion is connected to the light-emitting portion through an inwardly inclined light-focusing surface, the opening portion is arranged above the bottom shell and connected to the light-transmitting component, and the light-emitting component is arranged in the light-emitting portion.
[0005] Preferably, the light emitting assembly is arranged on the light emitting portion through the opening portion, and the light emitting assembly includes a light source board and an LED light source arranged on the light source board, and a lens is provided on the LED light source.
[0006] Preferably, the number of the LED light sources is two or more, and the LED light sources are arranged in a circular array around the center point of the light emitting portion.
[0007] Preferably, the opening portion and the light exit portion are circular, and the diameter of the opening portion is larger than the diameter of the light exit portion.
[0008] Preferably, the light-focusing surface is an inclined straight surface or an arc surface.
[0009] Preferably, the back side of the bottom shell is provided with an inclined surface which is matched with the shape and position of the focusing surface.
[0010] Preferably, the bottom shell is provided with reinforcing ribs, and the reinforcing ribs connect the inclined surface and the edge of the bottom shell.
[0011] Preferably, the light-transmitting assembly includes a light-transmitting member and a marking member, the light-transmitting member is arranged below the marking member, a waterproof groove is formed between the edge of the opening and the light-transmitting member, and the waterproof groove is filled with waterproof glue.
[0012] Preferably, the light-transmitting member is provided with a side edge extending downward, and a surface of the light-transmitting member is provided with a marking portion protruding upward, and the surface of the marking portion and the surface of the bottom shell are located on the same horizontal plane.
[0013] Preferably, a fixing column is provided on a side of the light-transmitting member, a fixing hole matched with the fixing column is provided on the opening, and the fixing column is provided with an extending edge extending toward the outside.
[0014] Preferably, the light emitting portion is provided with a fixing plate portion and a wire outlet groove, the wire outlet groove is provided with a wire outlet hole, the light emitting component is fixed to the light emitting portion through the fixing plate portion, and the wire outlet groove is arranged at the bottom of the light emitting component.
[0015] The utility model provides a direct-lighting underground marker light which can produce the following beneficial effects: the light-emitting cavity can reduce the internal area of the bottom shell, thereby reducing the light diffusion area, and the focusing surface can focus the light. When the light diffuses to the focusing surface, the light energy is reflected and re-focused to the opening, and is displayed to the outside by the light-transmitting component. It has a simple structure, uniform light, low cost, and can save resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a stereogram of the utility model.
[0017] Figure 2 It is a front exploded stereogram of the utility model.
[0018] Figure 3 It is an exploded three-dimensional view of the back side of the utility model.
[0019] Figure 4 yes Figure 1 Sectional view of AA.
[0020] Figure 5 yes Figure 3 Enlarged view of the BB.
[0021] 1- bottom shell; 11- inclined surface; 12- reinforcing rib; 2- light-emitting cavity; 21- opening portion; 211- fixing hole; 22- light-emitting portion; 221- fixing plate portion; 222- wire outlet groove; 223- wire outlet hole; 23- focusing surface; 24- battery slot; 3- light-emitting component; 31- light source board; 32- LED light source; 33- lens; 4- light-transmitting component; 41- light-transmitting part; 411- fixing column; 412- extension edge; 413- side edge; 414- logo portion; 42- logo plate; 43- waterproof groove. DETAILED DESCRIPTION
[0022] The technical solution of the present utility model is further described below in conjunction with specific embodiments.
[0023] like Figures 1 to 5 As shown, a direct-lighting underground marker lamp comprises: a bottom shell 1, a light-emitting component 3 arranged inside the bottom shell 1, and a light-transmitting component 4 arranged above the bottom shell 1; the bottom shell 1 is provided with a light-emitting cavity 2, the light-emitting cavity 2 is provided with an opening 21, a light-emitting portion 22, and a light-collecting surface 23, the opening 21 is connected to the light-emitting portion 22 through the light-collecting surface 23 inclined inwardly, the opening 21 is arranged above the bottom shell 1 and connected to the light-transmitting component, and the light-emitting component is arranged in the light-emitting portion 22. The light-emitting cavity 2 can reduce the internal area of the bottom shell 1, thereby reducing the diffusion area of light, and the light-collecting surface 23 can gather light, when the light diffuses to the light-collecting surface 23, the light can be reflected and gathered again to the opening, and displayed to the outside by the light-transmitting component, the structure is simple, the light is uniform, and the cost is low, and resources can be saved.
[0024] The light-emitting component 3 is arranged on the light-emitting portion 22 through an opening portion, and the light-emitting component 3 includes a light source board 31 and an LED light source 32 arranged on the light source board 31, and a lens 33 is provided on the LED light source 32; the number of the LED light sources 32 is two or more, and the LED light sources 32 should be arranged in a circular array around the center point of the light-emitting portion 22; this structure can improve the utilization rate of light and can gather light so that the light can be better transmitted to the light-transmitting component 4.
[0025] The opening 21 and the light emitting portion 22 are circular, and the diameter of the opening 21 is larger than the diameter of the light emitting portion 22. This structure can ensure that the bottom shell 1 is circular, and thus the entire lamp is circular, which is more easily accepted by users. It should be noted that the main design purpose of the light emitting portion 22 is to place the light emitting component 3. Therefore, the shape of the light emitting portion 22 should be changed according to the light emitting component 3. When the light emitting portion 3 is changed into an irregular circle according to the light emitting component 3 or modified according to the circle, it should also be regarded as circular.
[0026] The light-collecting surface 23 is a straight surface or an arc surface that is inclined; this structure can better reflect and gather the light of the light-emitting component and transmit it to the light-transmitting component 4.
[0027] The back of the bottom shell 1 is provided with an inclined surface 11 which is adapted to the shape and position of the focusing surface 23, and the bottom shell 1 is provided with a reinforcing rib 12, and the reinforcing rib 12 connects the inclined surface 11 and the edge of the bottom shell 1; this structure can greatly improve the hardness of the bottom shell 1, thereby improving the hardness of the entire lamp and enhancing the pressure resistance of the lamp.
[0028] The light-transmitting component 4 includes a light-transmitting piece 41 and a marking piece 42. The light-transmitting piece 41 is arranged below the marking piece 42. A waterproof groove 43 is formed between the edge of the opening 21 and the light-transmitting piece 41. The waterproof groove 43 is filled with waterproof glue. The light-transmitting piece 41 is provided with a side edge 413 extending downward. The surface of the light-transmitting piece 41 is provided with a marking portion 414 protruding upward. The surface of the marking portion 414 is located on the same horizontal plane as the surface of the bottom shell 1. This structure can prevent water from entering the interior of the lamp body from the edges of the light-transmitting component 4 and the bottom shell 1, thereby improving the protection level of the product and meeting the national standard requirements.
[0029] The side edge 413 of the light-transmitting member 41 is provided with a fixing column 411, and the opening portion 21 is provided with a fixing hole 211 matched with the fixing column 411; this structure can prevent the light-transmitting member from moving, making it more convenient to assemble the product; the fixing column 411 is provided with an extended edge extending toward the side, so that after the fixing column 411 enters the fixing hole 211, there is a gap to release gas, so that the light-transmitting member 41 will not be lifted up due to air pressure when installed, making it more convenient to assemble the product.
[0030] The light-emitting portion 22 is provided with a fixing plate portion 221 and a wire outlet groove 222, and a wire outlet hole 223 is provided in the wire outlet groove 222. The light-emitting component 3 is fixed to the light-emitting portion 22 through the fixing plate portion 221, and the wire outlet groove 222 is arranged at the bottom of the light-emitting component 3. A waterproof glue is provided in the wire outlet groove 222; the light-emitting component 3 is fixed by the fixing plate portion 221, and the light-emitting component 3 is not easy to fall off, thereby ensuring the service life of the lamp. The waterproof glue is provided in the wire outlet groove 222, which can prevent water from entering the interior of the lamp body through the wire outlet hole, thereby improving the protection level of the product. The wire outlet groove 222 is arranged at the bottom of the light-emitting component 3, which can avoid the wire outlet structure occupying the space of the light-emitting portion 22, thereby reducing the volume of the light-emitting cavity 2 and better improving the utilization rate of light.
[0031] The light emitting portion 22 is provided with a battery slot 24, and the battery slot 24 is provided with a battery, and the battery is electrically connected to the light emitting component 3. This structure enables the product to have a self-powering function, improves the diversity of the product, and meets the usage needs of different users.
[0032] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.
Claims
1. A direct-light type underground marker light, characterized in that: It includes a bottom shell, a light-emitting component arranged inside the bottom shell, and a light-transmitting component arranged above the bottom shell; the bottom shell is provided with a light-emitting cavity, the light-emitting cavity is provided with an opening portion, a light-emitting portion and a light-collecting surface, the opening portion is connected to the light-emitting portion through the light-collecting surface inclined inwardly, the opening portion is arranged above the bottom shell and connected to the light-transmitting component, and the light-emitting component is arranged in the light-emitting portion.
2. The direct-lighting underground marker light according to claim 1, characterized in that: The light emitting assembly is arranged on the light emitting portion through an opening portion, and the light emitting assembly comprises a light source board and an LED light source arranged on the light source board, and a lens is arranged on the LED light source.
3. The direct-lighting underground marker light according to claim 2, characterized in that: The number of the LED light sources is two or more, and the LED light sources are arranged in a circular array around the center point of the light emitting portion.
4. The direct-lighting underground marker light according to claim 1, characterized in that: The opening portion and the light exit portion are circular, and a diameter of the opening portion is larger than a diameter of the light exit portion.
5. The direct-lighting underground marker light according to claim 1, characterized in that: The light-collecting surface is a straight surface or an arc surface that is arranged obliquely.
6. The direct-lighting underground marker light according to claim 5, characterized in that: The back side of the bottom shell is provided with an inclined surface which matches the shape and position of the light-collecting surface.
7. The direct-lighting underground marker light according to claim 6, characterized in that: The bottom shell is provided with a reinforcing rib, and the reinforcing rib connects the inclined surface and the edge of the bottom shell.
8. The direct-lighting underground marker light according to claim 1, characterized in that: The light-transmitting assembly includes a light-transmitting piece and a marking piece, wherein the light-transmitting piece is arranged below the marking piece, a waterproof groove is formed between the edge of the opening and the light-transmitting piece, and the waterproof groove is filled with waterproof glue.
9. The direct-lighting underground marker light according to claim 8, characterized in that: The light-transmitting member is provided with a side edge extending downward, and a marking portion protruding upward is provided on the surface of the light-transmitting member, and the surface of the marking portion and the surface of the bottom shell are located on the same horizontal plane.
10. The direct-lighting underground marker light according to claim 9, characterized in that: A fixing column is arranged on the side of the light-transmitting member, a fixing hole matched with the fixing column is arranged on the opening, and an extending edge extending toward the fixing column is arranged on the fixing column.
11. The direct-lighting underground marker light according to claim 1, characterized in that: The light emitting part is provided with a fixing plate part and a wire outlet groove, the wire outlet groove is provided with a wire outlet hole, the light emitting component is fixed on the light emitting part through the fixing plate part, and the wire outlet groove is arranged at the bottom of the light emitting component.