Waterproof light emitting diode packaging structure
By incorporating a lampshade, sealing plate, and limiting components into the LED packaging structure, the problem of difficult disassembly caused by direct connection of the sealing frame is solved, enabling convenient disassembly and efficient heat dissipation, and improving the practicality and stability of the device.
Patent Information
- Application Number
- CN202520007185.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The existing LED packaging structure directly connects and seals the LED lamp board through a sealing frame, which makes disassembly and maintenance difficult and affects the performance.
The design incorporates a lampshade, sealing plate, fixing components, and limiting components. Through the cooperation of the locking blocks and slots, the sealing plate can be detachably connected. Combined with the heat dissipation structure of heat-conducting fins and semiconductor cooling chips, the sealing performance and heat dissipation efficiency are enhanced.
It enables a convenient disassembly and maintenance process, improves the practicality and stability of the device, extends its service life, and enhances the sealing effect and heat dissipation performance.
Smart Images
Figure CN223564199U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to light emitting diode packaging technical field especially relates to a waterproof light emitting diode packaging structure. BACKGROUND
[0002] Light emitting diode is a kind of semiconductor electronic device that can convert electric energy into light energy, and it is composed of P-type semiconductor and N-type semiconductor PN junction, and under the forward voltage, P region hole and N region electron recombine, and electron transition releases photons to emit light, it has the advantages of small size, low energy consumption, long service life etc., and the main reasons for using waterproof packaging structure are that in outdoor lighting such as street lamp, landscape lamp scene, if there is no waterproof measure, moisture such as rainwater, dew enters and causes chip short circuit, corrosion, waterproof packaging can effectively prevent moisture from entering, guarantee normal use, and this structure can make LED be applied to underwater lighting field, like underwater landscape lamp, swimming pool lamp etc., it can bear water pressure and prevent long-term immersion of water from damaging internal circuit and chip, thereby expanding application range.
[0003] The existing packaging structure is usually sealed by sealing frame, and the common sealing frame is generally directly connected and sealed with diode lamp panel, and the sealing effect is good, but when the lamp is disassembled and repaired, it is difficult, resulting in poor disassembly effect, and further affecting the use effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a waterproof light emitting diode packaging structure, to solve the technical problem of the existing packaging structure in the prior art, which is directly connected and sealed with the sealing frame and diode lamp panel, and the sealing is good, but the lamp is difficult to disassemble and repair, resulting in the technical problem of affecting the use effect.
[0005] To achieve the above object, the waterproof light emitting diode packaging structure provided by the utility model embodiment includes a lamp panel, the lamp panel is fixedly connected with a lampshade on one side of the outer wall, the lamp panel is fixedly connected with a diode body on the upper surface, the lampshade is provided with a sealing plate on one side of the outer wall, the lampshade is provided with a fixing assembly for connecting the sealing plate on one side of the outer wall, and the lampshade is fixedly connected with a stop block on one side of the outer wall.
[0006] The fixing assembly includes a mounting block, the mounting block is fixedly connected on one side of the outer wall of the lampshade, the mounting block is slidably connected with a clamping block in the inside, the clamping block is fixedly connected with a connecting column at one end, the connecting column is sleeved with a spring two, the spring two is fixedly connected at one end of the clamping block, the sealing plate is fixedly connected with a connecting block on one side of the outer wall, the connecting block is provided with a clamping groove in the inside, the clamping block is slidably connected on the inner wall of the clamping groove on one side of the outer wall, and the connecting column is provided with a limiting assembly for fixing the clamping block at one end.
[0007] Optionally, the limiting assembly comprises a limiting box, a spring one is fixedly connected inside the limiting box, one end of the spring one is fixedly connected with a limiting block, the outer wall of the limiting block is slidably connected to the inside of the limiting box, and the limiting block is attached to one side of the outer wall of the stop block.
[0008] Optionally, the sealing groove is fixedly connected with a sealing ring inside the sealing plate.
[0009] Optionally, the outer wall of the sealing ring is attached to the inside of the lampshade.
[0010] Optionally, the lampshade is fixedly connected with a heat-conducting fin inside, and the heat-conducting fin is used for heat dissipation of the diode body.
[0011] Optionally, the lower surface of the sealing plate is fixedly connected with a semiconductor refrigerating sheet one and a semiconductor refrigerating sheet two, and the semiconductor refrigerating sheet one and the semiconductor refrigerating sheet two are used for heat dissipation of the lamp plate.
[0012] Optionally, the sealing plate is provided with a sealing layer inside, and the sealing layer is made of polyurethane sealant.
[0013] Optionally, the outer wall of the sealing layer is fixedly connected with a waterproof layer, and the outer wall of the waterproof layer is fixedly connected with a corrosion-resistant layer.
[0014] The waterproof light-emitting diode packaging structure provided by the embodiment of the utility model has one or more of the above technical solutions at least one of the following technical effects:
[0015] 1、 in the utility model, by pulling the limiting box, the limiting block is connected with the stop block, that is, the clamping block is separated from the clamping groove in the connecting block, and the limiting block is limited by the stop block, so that the clamping block is fixed, the operation of workers is facilitated, the packaging structure in the prior art is directly connected and sealed with the sealing frame and the diode lamp plate, the sealing is good, but the lamp disassembly and maintenance are difficult, which leads to the problem of affecting the use effect, and the practicability of the device is improved.
[0016] 2、 in the utility model, the heat-conducting fin is arranged inside the lampshade, which can quickly conduct the heat generated by the diode body during work, reduce the temperature of the diode body, help to prolong the service life, at the same time, the semiconductor refrigerating sheet one and the semiconductor refrigerating sheet two fixedly connected to the lower surface of the sealing plate can further dissipate heat of the lamp plate, improve the stability of the lamp in the long-term use process, and further improve the practicability of the device. DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0018] Figure 1 The three-dimensional structure schematic diagram of the waterproof light emitting diode packaging structure provided by the present application is provided.
[0019] Figure 2 The lamp plate part structure schematic diagram of the waterproof light emitting diode packaging structure provided by the present application is provided.
[0020] Figure 3 The diode body part structure schematic diagram of the waterproof light emitting diode packaging structure provided by the present application is provided.
[0021] Figure 4 The Figure 3 The enlarged view of A in the figure.
[0022] Figure 5 The semiconductor refrigerating sheet one part structure schematic diagram of the waterproof light emitting diode packaging structure provided by the present application is provided.
[0023] Figure 6 The waterproof layer part structure schematic diagram of the waterproof light emitting diode packaging structure provided by the present application is provided.
[0024] In the figure, various reference signs:
[0025] 1, lamp plate; 2, lampshade; 3, sealing plate; 4, diode body; 5, mounting block; 6, limiting box; 7, connecting block; 8, clamping groove; 9, spring one; 10, limiting block; 11, connecting column; 12, spring two; 13, stop block; 14, clamping block; 15, semiconductor refrigerating sheet one; 16, semiconductor refrigerating sheet two; 17, sealing layer; 18, corrosion-resistant layer; 19, waterproof layer; 20, heat-conducting fin; 21, sealing ring; 22, sealing groove. DETAILED DESCRIPTION
[0026] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0027] In the description of the embodiments of the utility model, need understanding is, the term "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only is for the convenience of describing the utility model embodiment and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model.
[0028] In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.
[0029] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0030] In an embodiment of the utility model, Figure 1 - Figure 4As shown, a waterproof light emitting diode packaging structure is provided, which comprises a lamp plate 1, which provides a stable mounting platform for the diode body 4, ensures that the diode body 4 can be accurately fixed in the appropriate position, and the lamp cover 2 is fixedly connected to one side of the outer wall of the lamp plate 1. The lamp cover 2 not only protects the internal diode body 4 and other components from physical impact and damage from the outside, but also plays a certain regulating role in the propagation direction and distribution of light, optimizing the lighting effect. The diode body 4 is fixedly connected to the upper surface of the lamp plate 1, and the diode body 4 is the core element of light emission. Based on the characteristics of semiconductor materials, when a forward voltage is applied across the PN junction, the conversion from electrical energy to optical energy can be achieved. The sealing plate 3 is arranged on one side of the outer wall of the lamp cover 2, and the sealing plate 3 is one of the key components for realizing the waterproof function. It cooperates with the lamp cover 2 to form a sealed space to prevent moisture, dust and other impurities from entering the inside of the package, and to protect the diode body 4 and related circuits from the influence of external environmental factors. The fixing assembly for connecting the sealing plate 3 is installed on one side of the outer wall of the lamp cover 2. The lamp cover 2 is fixedly connected to the outer wall of the lamp cover 2. The fixing assembly comprises a mounting block 5 fixedly connected to one side of the outer wall of the lamp cover 2. The mounting block 5 is slidably connected to the inside of the mounting block 5. The clamping block 14 cooperates with the clamping groove 8 of the connecting block 7. Under the action of the elastic force of the spring 2, it can be clamped into the clamping groove 8. One end of the clamping block 14 is fixedly connected to the connecting column 11. During the sliding process of the clamping block 14, the limiting assembly is actuated, and at the same time, the spring 2 provides a reset elastic force for the clamping block 14. The connecting column 11 is sleeved with the spring 2. One end of the spring 2 is fixedly connected to one end of the clamping block 14. The connecting block 7 is fixedly connected to one side of the outer wall of the sealing plate 3. The connecting block 7 is provided with a clamping groove 8 in the inside. The clamping groove 8 provides an accurate clamping position for the clamping block 14. The outer wall of the clamping block 14 is slidably connected to the inner wall of the clamping groove 8. One end of the connecting column 11 is provided with a limiting assembly for fixing the clamping block 14. The limiting assembly comprises a limiting box 6. The limiting box 6 is fixedly connected with a spring 1 in the inside. One end of the spring 1 is connected with a limiting block 10, and the other end is fixed in the limiting box 6 to provide an elastic force for the limiting block 10. One end of the spring 1 is fixedly connected with the limiting block 10. The outer wall of the limiting block 10 is slidably connected in the inside of the limiting box 6. One end of the limiting block 10 is in close contact with one side of the outer wall of the stop block 13. The stop block 13 determines the position of the limiting block 10, thereby limiting the clamping block 14.
[0031] As Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the sealing plate 3 is internally provided with a sealing groove 22, which provides an accurate installation position for the sealing ring 21, so that the sealing ring 21 can be stably fixed in the sealing plate 3, ensuring that the sealing ring 21 is in the correct sealing position when connected with the lampshade 2, effectively filling the gap between the sealing plate 3 and the lampshade 2, enhancing the sealing effect. The sealing groove 22 is internally fixedly connected with the sealing ring 21, which is made of elastic material and tightly adheres to the inside of the lampshade 2 in the sealing groove 22, forming the first waterproof line. The outer wall of the sealing ring 21 is in close contact with the inside of the lampshade 2, and the lampshade 2 is fixedly connected with heat-conducting fins 20, which mainly serve to increase the heat dissipation area and improve the heat dissipation efficiency. The heat-conducting fins 20 are used for heat dissipation of the diode body 4. The lower surface of the sealing plate 3 is fixedly connected with a semiconductor refrigeration sheet one 15 and a semiconductor refrigeration sheet two 16, which are used for heat dissipation of the lamp plate 1. They work by using the Peltier effect. When the lamp plate 1 heats up due to the work of the diode body 4, the cooling surface of the refrigeration sheet absorbs the heat of the lamp plate 1 and dissipates the heat through the heating surface. The sealing plate 3 is internally provided with a sealing layer 17 made of polyurethane sealant, which has good filling, bonding and flexibility. The sealing layer 17 is made of polyurethane sealant, and the outer wall of the sealing layer 17 is fixedly connected with a waterproof layer 19, which covers the outer wall of the sealing layer 17. Its main function is to prevent liquid water from entering the packaging structure. The outer wall of the waterproof layer 19 is fixedly connected with a corrosion-resistant layer 18, which is located on the outer wall of the waterproof layer 19 and serves as the outermost protective layer, blocking external corrosive media through physical isolation.
[0032] Working principle: first, the diode body 4 is fixedly connected on the upper surface of the lamp panel 1, the lampshade 2 is fixedly connected on the outer wall of the lamp panel 1, the diode body 4 is located in the lampshade 2, the connecting block 7 on one side of the sealing plate 3 is aligned with the installation block 5 on the outer wall of the lampshade 2, the sealing plate 3 is pushed towards the lampshade 2, at this time, the clamping block 14 slidably connected in the installation block 5 is extruded by the clamping groove 8 of the connecting block 7, overcomes the elastic force of the spring 12 and slides in the installation block 5, the connecting column 11 moves towards the limiting box 6, when the connecting block 7 is completely inserted between the installation block 5, the clamping groove 8 is corresponding to the clamping block 14, the spring 12 pushes the clamping block 14 to slide into the clamping groove 8, the preliminary connection of the sealing plate 3 and the lampshade 2 is realized; when the diode body 4 works, heat is generated, the heat is conducted through the lamp panel 1 in close contact with the diode body 4, at the same time, the heat conduction fin 20 fixedly connected in the lampshade 2 can quickly absorb the heat emitted by the diode body 4 and conduct the heat to the lampshade 2, then the heat is exchanged with the outside environment through the lampshade 2, so as to reduce the temperature of the diode body 4, the heat on the lamp panel 1 is also conducted to the lower surface of the sealing plate 3, the semiconductor refrigerating sheet one 15 and the semiconductor refrigerating sheet two 16 fixedly connected on the lower surface of the sealing plate 3 start to work, using the Peltier effect, one side is refrigerated and the other side is heated, the refrigeration side absorbs the heat of the lamp panel 1 and transmits the heat to the heating side to dissipate, further reducing the temperature of the lamp panel 1, cooperating with the heat conduction fin 20 to maintain the temperature stability of the whole packaging structure, ensuring that the light emitting diode works in the appropriate temperature range, improving the working efficiency and service life; when the lamp needs to be disassembled and maintained, first pull the limiting box 6, make the limiting block 10 overcome the elastic force of the spring 9 and slide away from the block 13, until the clamping block 14 is separated from the clamping groove 8, at the same time, the spring 9 in the limiting box 6 is compressed, the limiting block 10 moves to the other side of the block 13, so that the limiting block 10 and the clamping block 14 are limited, at this time, the sealing plate 3 can be easily taken off from the lampshade 2, so as to facilitate the maintenance, maintenance or replacement of the diode body 4 and other internal components on the lamp panel 1, the limiting of the clamping block 14 is convenient for the operation of workers; finally, the sealing layer 17 is made of polyurethane sealant, which realizes sealing by filling the gap and bonding with the components, the elastic deformation can adapt to environmental changes, the chemical stability can resist corrosion, the corrosion resistant layer 18 can physically isolate and block the corrosive medium, the possible sacrificial protection can delay corrosion, the long-term stability can adapt to harsh environments, the waterproof layer 19 can form a continuous waterproof film to prevent liquid water from entering, and the sealing layer, the corrosion resistant layer and the waterproof layer can cooperate to enhance the waterproof effect, maintain the dry internal environment and ensure the electrical and optical performance.
[0033] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A waterproof light emitting diode package structure comprising a lamp panel (1), characterized in that: The lamp panel (1) is fixedly connected with a lampshade (2) on one side of the outer wall, a diode body (4) is fixedly connected to the upper surface of the lamp panel (1), a sealing plate (3) is arranged on one side of the outer wall of the lampshade (2), a fixing assembly for connecting the sealing plate (3) is mounted on one side of the outer wall of the lampshade (2), and a stop block (13) is fixedly connected to one side of the outer wall of the lampshade (2). The fixing assembly comprises a mounting block (5) fixedly connected to one side of the outer wall of the lampshade (2), a clamping block (14) slidably connected in the mounting block (5), a connecting column (11) fixedly connected to one end of the clamping block (14), a spring (12) sleeved on the connecting column (11), the spring (12) fixedly connected to one end of the clamping block (14), a connecting block (7) fixedly connected to one side of the outer wall of the sealing plate (3), a clamping groove (8) formed in the connecting block (7), and a limiting assembly for fixing the clamping block (14) mounted on one end of the connecting column (11).
2. The waterproof light emitting diode package structure of claim 1, wherein: The limiting assembly comprises a limiting box (6), a spring (9) fixedly connected in the limiting box (6), a limiting block (10) fixedly connected to one end of the spring (9), and the limiting block (10) slidably connected to one side of the outer wall of the limiting box (6).
3. The waterproof light emitting diode package structure of claim 1, wherein: The sealing plate (3) is internally provided with a sealing groove (22), and the sealing groove (22) is fixedly connected with a sealing ring (21) inside.
4. The waterproof light emitting diode package structure of claim 3, wherein: The sealing ring (21) is in abutment with the inside of the lampshade (2) on one side of the outer wall.
5. The waterproof light emitting diode package structure of claim 1, wherein: The lampshade (2) is fixedly connected with a heat-conducting fin (20) inside, and the heat-conducting fin (20) is used for heat dissipation of the diode body (4).
6. The waterproof light emitting diode package structure of claim 1, wherein: The sealing plate (3) is fixedly connected with a semiconductor refrigerating sheet (15) on the lower surface, and a semiconductor refrigerating sheet (16) is fixedly connected to the lower surface of the sealing plate (3), and the semiconductor refrigerating sheet (15) and the semiconductor refrigerating sheet (16) are used for heat dissipation of the lamp panel (1).
7. The waterproof light emitting diode package structure of claim 6, wherein: The sealing plate (3) is internally provided with a sealing layer (17), and the sealing layer (17) is made of polyurethane sealant.
8. The waterproof light emitting diode package structure of claim 7, wherein: The sealing layer (17) is fixedly connected with a waterproof layer (19) on one side of the outer wall, and the waterproof layer (19) is fixedly connected with a corrosion-resistant layer (18) on one side of the outer wall.