Thermoelectric separation type street lamp
By separating the lighting components and power supply components in LED streetlights and using a removable protective cover and sealing structure, the problems of complex structure and insufficient sealing of existing LED streetlights are solved, achieving the effects of easy installation, maintenance and good heat dissipation.
Patent Information
- Application Number
- CN202520841347.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-29
AI Technical Summary
Existing LED streetlights have complex thermoelectric separation structures, making them inconvenient to assemble and maintain, and they also lack sufficient sealing.
The lighting and power components are separated by a heat sink. The power component is placed inside a protective cover and is detachably connected to the heat sink via the protective cover. It is then secured with seals and screws to achieve thermal and electrical separation and good sealing.
It improves the safety performance and heat dissipation of LED streetlights, while also facilitating installation and maintenance, providing good sealing, and featuring a simple structure.
Smart Images

Figure CN223954094U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lighting equipment technical field especially relates to a thermoelectric separation type street lamp. BACKGROUND
[0002] As the key facility of road lighting, street lamp plays an indispensable role in city construction and daily life, with the development of city lighting technology, LED street lamp is widely applied with the advantages of energy saving, environmental protection, low cost etc.
[0003] The existing LED street lamp usually sets up power module and lighting module separately, that is, thermoelectric separation, on the one hand, can improve the safety performance of LED street lamp itself, on the other hand, makes LED street lamp have better heat dissipation effect, avoids the temperature of LED street lamp to be too high, reduces the service life of LED street lamp.
[0004] The existing thermoelectric separation type LED street lamp structure is complex, is not convenient for assembling, and in order to make LED street lamp have better sealing, usually uses adhesive fixed connection between each component of LED street lamp, is not convenient for the maintenance of LED street lamp later. UTILITY MODEL CONTENT
[0005] The utility model discloses a thermoelectric separation type street lamp, its simple structure is convenient for installation and disassembly, and good heat dissipation effect has better sealing simultaneously.
[0006] In order to achieve this purpose, the utility model adopts the following technical scheme:
[0007] Provide a thermoelectric separation type street lamp, characterized in that, including:
[0008] Heat dissipation plate;
[0009] Lighting assembly, the lighting assembly detachable connection in one side of the heat dissipation plate;
[0010] Power supply assembly, the power supply assembly includes power component and protective cover, the power component sets up in the protective cover and is connected to the protective cover, the power component is electrically connected with the lighting assembly, the protective cover detachable connection in the side of the heat dissipation plate away from the lighting assembly.
[0011] Optionally, the heat dissipation plate includes positioning part and heat dissipation part, the heat dissipation part sets up in the end of the positioning part, the lighting assembly and the protective cover are connected to the positioning part, and the heat dissipation part is used for heat dissipation.
[0012] Optionally, the lighting assembly includes lens plate and a plurality of lamp beads, a plurality of the lamp beads are installed on the lens plate, the lens plate is connected to the heat dissipation plate, and a plurality of the lamp beads are electrically connected with the power component.
[0013] Optionally, the lighting assembly further comprises a heat dissipation base, one side of the heat dissipation base is connected to the lens plate, and the other side is connected to the heat dissipation plate.
[0014] Optionally, a first sealing member is arranged between the lens plate and the heat dissipation base.
[0015] Optionally, the thermoelectrically separated street lamp further comprises a sensor, and the sensor is electrically connected to the power supply component.
[0016] Optionally, a mounting hole is formed in the protective cover, one end of the sensor extends into the protective cover from the outside of the protective cover through the mounting hole and is electrically connected to the power supply component, and the sensor is sealingly connected to the protective cover.
[0017] Optionally, the thermoelectrically separated street lamp further comprises a waterproof joint, and the waterproof joint is arranged on the outer wall of the protective cover and is electrically connected to the power supply component.
[0018] Optionally, a protective portion is arranged on the side wall of the side of the protective cover where the waterproof joint is arranged, and the protective portion can shield the waterproof joint.
[0019] Optionally, the thermoelectrically separated street lamp further comprises a lightning arrester, and the lightning arrester is arranged in the protective cover; and / or,
[0020] The thermoelectrically separated street lamp further comprises a breather, and the breather is mounted on the side wall of the protective cover.
[0021] The beneficial effects of the utility model are as follows:
[0022] This utility model provides a thermoelectric separation street light, including a heat sink, a lighting component, and a power supply component. The lighting component is detachably connected to one side of the heat sink. The power supply component includes a power supply unit and a protective cover. The power supply unit is disposed inside and connected to the protective cover, and is electrically connected to the lighting component. The protective cover is detachably connected to the side of the heat sink facing away from the lighting component. By placing the lighting component and the power supply component on opposite sides of the heat sink, the heat sink separates the lighting component and the power supply component, achieving thermoelectric separation and improving the safety performance of the thermoelectric separation street light. Simultaneously, the heat sink can dissipate heat from both the lighting component and the power supply component, giving the thermoelectric separation street light better heat dissipation. Furthermore, the power supply unit is disposed inside the protective cover, which covers the outside of the power supply unit. The protective cover has good sealing properties, providing good protection for the power supply unit. Furthermore, the power supply component is connected to the protective cover, which in turn connects the power supply component to the side of the heat sink facing away from the lighting assembly. This facilitates the installation of the power supply component. Both the lighting assembly and the protective cover are detachably connected to the heat sink, allowing for easy disassembly of both components and facilitating maintenance of the thermoelectric separation streetlight. Additionally, the simple structure of this thermoelectric separation streetlight further simplifies installation and maintenance. Attached Figure Description
[0023] Figure 1 This is one of the structural schematic diagrams of the thermoelectric separation street light provided in this utility model embodiment;
[0024] Figure 2 This is the second schematic diagram of the thermoelectric separation street light provided in this embodiment of the utility model;
[0025] Figure 3 This is one of the exploded views of the thermoelectric separation street light provided in this embodiment of the utility model;
[0026] Figure 4 This is a cross-sectional view of the thermoelectric separation street light provided in this embodiment of the utility model;
[0027] Figure 5 This is the second exploded view of the thermoelectric separation street light provided in this embodiment of the utility model.
[0028] In the picture:
[0029] 1. Heat sink; 11. Positioning part; 12. Heat dissipation part; 2. Lighting assembly; 21. Lens plate; 22. Heat dissipation base; 23. First seal; 3. Power supply assembly; 31. Power supply component; 311. Battery; 312. Terminal block; 313. Pressure plate; 32. Protective cover; 321. Mounting hole; 322. Protective part; 4. Sensor; 5. Waterproof connector; 6. Surge protector; 7. Breather; 8. Second seal; 9. Third seal; 100. First screw; 200. Second screw. DETAILED DESCRIPTION
[0030] The utility model will be described further in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.
[0031] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0033] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0034] As Figures 1-4As shown, the embodiment provides a thermoelectric separation type street lamp, which comprises a heat dissipation plate 1, a lighting assembly 2 and a power supply assembly 3. The lighting assembly 2 is detachably connected to one side of the heat dissipation plate 1, the power supply assembly 3 comprises a power supply component 31 and a protective cover 32, the power supply component 31 is arranged in the protective cover 32 and connected to the protective cover 32, the power supply component 31 is electrically connected to the lighting assembly 2, and the protective cover 32 is detachably connected to the side of the heat dissipation plate 1 away from the lighting assembly 2. By arranging the lighting assembly 2 and the power supply assembly 3 on the opposite sides of the heat dissipation plate 1, the heat dissipation plate 1 separates the lighting assembly 2 and the power supply assembly 3, that is, thermoelectric separation, which can improve the safety performance of the thermoelectric separation type street lamp itself. At the same time, the heat dissipation plate 1 can dissipate heat for the lighting assembly 2 and the power supply assembly 3, so that the thermoelectric separation type street lamp has good heat dissipation effect. Furthermore, the power supply component 31 is arranged in the protective cover 32, and the protective cover 32 is arranged outside the power supply component 31, so that the protective cover 32 has good sealing property and good protection effect on the power supply component 31. In addition, the power supply component 31 is connected to the protective cover 32, and the power supply component 31 is connected to the side of the heat dissipation plate 1 away from the lighting assembly 2 through the protective cover 32, which facilitates the installation of the power supply component 31. Moreover, the lighting assembly 2 and the protective cover 32 are both detachably connected to the heat dissipation plate 1, which facilitates the disassembly of the lighting assembly 2 and the protective cover 32, and further facilitates the maintenance of the thermoelectric separation type street lamp. At the same time, the thermoelectric separation type street lamp has simple structure, which further facilitates the installation and maintenance.
[0035] Specifically, the heat dissipation plate 1 is in a strip shape. The lighting assembly 2 is connected to one side of the heat dissipation plate 1 through first screws 100, wherein a plurality of first screws 100 are arranged at intervals, which improves the stability of the connection between the lighting assembly 2 and the heat dissipation plate 1. The lighting assembly 2 can be arranged one, two, three or more than three, and arranged in sequence along the length direction of the heat dissipation plate 1. The specific number of the lighting assembly 2 is arranged according to the size of the heat dissipation plate 1 and the brightness requirement of the thermoelectric separation type street lamp. In the embodiment, the lighting assembly 2 is arranged two. The protective cover 32 is provided with an opening, so that the power supply component 31 is arranged in the protective cover 32 through the opening. The protective cover 32 is connected to the side of the heat dissipation plate 1 away from the lighting assembly 2 through second screws 200. A second sealing member 8 is arranged between the connection part of the protective cover 32 and the heat dissipation plate 1, and the second sealing member 8 is a sealing ring, which improves the sealing property of the connection between the protective cover 32 and the heat dissipation plate 1. The power supply component 31 comprises a battery 311, a terminal 312 and a pressing plate 313. The terminal 312 is electrically connected to the battery 311, and the lighting assembly 2 is electrically connected to the terminal 312, which facilitates the connection between the lighting assembly 2 and the battery 311 through the terminal 312. The battery 311 is in a strip shape, and the pressing plate 313 is arranged two at intervals along the length direction of the battery 311. The pressing plate 313 is arranged below the battery 311, and the pressing plate 313 presses the battery 311 and is connected to the inner wall of the top of the protective cover 32 through third screws.
[0036] Optionally, as shown in FIG. 4, Figure 4And Figure 5 As shown in the drawings, the heat dissipation plate 1 comprises a positioning portion 11 and a heat dissipation portion 12, the heat dissipation portion 12 is arranged at the end of the positioning portion 11, the lighting assembly 2 and the protective cover 32 are connected to the positioning portion 11, and the heat dissipation portion 12 is used for heat dissipation, which can improve the heat dissipation efficiency of the lighting assembly 2 and avoid the temperature of the lighting assembly 2 being too high.
[0037] Specifically, the positioning portion 11 is in a strip shape, and the heat dissipation portion 12 is also in a strip shape, and the heat dissipation portion 12 is arranged at both ends of the positioning portion 11 in the width direction. The heat dissipation portion 12 is provided with a plurality of heat dissipation holes 121 in the length direction, which can improve the heat dissipation effect of the heat dissipation plate 1.
[0038] Optionally, as shown in the drawings, Figure 2 and Figure 3 The lighting assembly 2 comprises a lens plate 21 and a plurality of lamp beads, the plurality of lamp beads are mounted on the lens plate 21, the lens plate 21 is connected to the heat dissipation plate 1 to fix the lamp beads on the heat dissipation plate 1, and the plurality of lamp beads are electrically connected to the power component 31, so that the lamp beads can emit light to realize the lighting function.
[0039] Specifically, the lens plate 21 is in a square structure. The lens plate 21 is uniformly provided with a plurality of lenses, and the lenses correspond to the lamp beads one by one. The lamp beads are mounted in the lenses, and the lenses can protect the lamp beads and avoid damage to the lamp beads. At the same time, the lenses adopt professional street lamp optical design, the light of the lamp beads is emitted through the lenses, and the lighting effect is better. The lamp beads are connected to the wiring terminal 312 through the wires. The number of lamp beads is set according to specific conditions, which is not limited in the embodiment. The lens plate 21 is connected to the heat dissipation plate 1 through the first screw 100.
[0040] Further, the lighting assembly 2 further comprises a heat dissipation base 22, one side of the heat dissipation base 22 is connected to the lens plate 21, and the other side is connected to the heat dissipation plate 1. The heat dissipation base 22 can dissipate heat for the lamp beads, avoid the temperature of the lamp beads being too high, and reduce the service life of the lamp beads.
[0041] Specifically, the heat dissipation base 22 is an aluminum substrate. The heat dissipation base 22 is in a square structure, and the heat dissipation base 22 can abut all the lamp beads. The heat dissipation base 22 is pressed between the lens plate 21 and the heat dissipation plate 1 through the lens plate 21 to be fixed.
[0042] Optionally, a first sealing member 23 is arranged between the lens plate 21 and the heat dissipation base 22, and the first sealing member 23 can seal the connecting part between the lens plate 21 and the heat dissipation base 22 to avoid dust and water entering.
[0043] Specifically, the first sealing member 23 is a sealing ring, which is tightly sealed by the lens plate 21 and the heat dissipation base 22. The material of the first sealing member 23 can be flexible materials such as rubber and resin.
[0044] Optionally, the thermoelectrically separated street lamp further comprises a sensor 4, which is electrically connected with the power supply component 31. During the day, the sensor 4 can sense light, and the power supply component 31 does not provide current, the lighting assembly 2 does not emit light, and the lighting assembly 2 is in a non-working state; at night, the sensor 4 cannot sense light, and the power supply component 31 provides current, the lighting assembly 2 emits light, and the lighting assembly 2 is in a non-working state, thereby achieving lighting. The working state of the lighting assembly 2 can be automatically controlled through the sensor 4.
[0045] Further, the protective cover 32 is provided with a mounting hole 321, one end of the sensor 4 extends into the protective cover 32 from the outside of the protective cover 32 through the mounting hole 321 and is electrically connected with the power supply component 31, and the sensor 4 is sealingly connected with the protective cover 32 to fix the sensor 4, and meanwhile, the thermoelectrically separated street lamp has good sealing performance.
[0046] Specifically, the sensor 4 is in a cylindrical structure. The mounting hole 321 is arranged at the top of the protective cover 32. The thermoelectrically separated street lamp further comprises a third sealing member 9 and a fourth screw. A flange is arranged around the side wall of the sensor 4, the third sealing member 9 is a ring-shaped sealing ring, the third sealing member 9 is sleeved on one end of the sensor 4 close to the protective cover 32 and abuts against the flange. The flange is connected to the protective cover 32 through the fourth screw and presses the third sealing member 9 to seal the connecting part of the sensor 4 and the protective cover 32.
[0047] Optionally, the thermoelectrically separated street lamp further comprises a waterproof joint 5, which is arranged on the outer wall of the protective cover 32 and is electrically connected with the power supply component 31, and the power supply component 31 can be connected with external equipment through the waterproof joint 5. Specifically, the waterproof joint 5 is installed on the side wall of one end of the protective cover 32 along the length direction.
[0048] Further, the side wall of the side of the protective cover 32, on which the waterproof joint 5 is arranged, is provided with a protective part 322, which can shield the waterproof joint 5 to avoid the waterproof joint 5 from contacting water, thereby improving the waterproof performance of the thermoelectrically separated street lamp.
[0049] Specifically, the protective part 322 is in a cylindrical structure, one end of which is connected to the side wall of the protective cover 32 and the other end of which extends outward, and the waterproof joint 5 is arranged in the protective part 322. In other embodiments, the protective part 322 can also be in a sheet structure and arranged above the waterproof joint 5.
[0050] Optionally, the thermoelectrically separated street lamp further comprises a lightning arrester 6, which is arranged in the protective cover 32, and the lightning arrester 6 plays a role in lightning protection to avoid the thermoelectrically separated street lamp from being damaged by lightning. And / or, the thermoelectrically separated street lamp further comprises a breather 7, which is installed on the side wall of the protective cover 32, and the breather 7 can balance the pressure difference between the inside and outside of the protective cover 32 to prolong the service life of the thermoelectrically separated street lamp.
[0051] Specifically, the lightning protection device 6 is connected to the inner wall of the protective cover 32 by the fifth screw. The respirator 7 is arranged below the waterproof joint 5 and in the protective part 322, which can shield the respirator 7 and prevent water from entering the protective cover 32 from the respirator 7.
[0052] The thermoelectric separation type street lamp has good sealing performance, and the protection level is IP65.
[0053] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A thermoelectrically separated street light, characterized by, The utility model relates to a heat-electricity separation type street lamp, which comprises the following components: a heat dissipation plate (1); a lighting assembly (2) detachably connected to one side of the heat dissipation plate (1); a power supply assembly (3) comprising a power supply component (31) and a protective cover (32), wherein the power supply component (31) is arranged in and connected to the protective cover (32), the power supply component (31) is electrically connected to the lighting assembly (2), and the protective cover (32) is detachably connected to the side of the heat dissipation plate (1) opposite to the lighting assembly (2).
2. The thermoelectrically separated street light of claim 1, wherein, The heat dissipation plate (1) comprises a positioning portion (11) and a heat dissipation portion (12), the heat dissipation portion (12) is arranged at the end of the positioning portion (11), the lighting assembly (2) and the protective cover (32) are connected to the positioning portion (11), and the heat dissipation portion (12) is used for heat dissipation.
3. The thermoelectrically separated street light of claim 1, wherein, The lighting assembly (2) comprises a lens plate (21) and a plurality of lamp beads, the plurality of lamp beads are mounted on the lens plate (21), the lens plate (21) is connected to the heat dissipation plate (1), and the plurality of lamp beads are all electrically connected to the power supply component (31).
4. The thermoelectrically separated street light of claim 3, wherein, The lighting assembly (2) further comprises a heat dissipation base body (22), one side of the heat dissipation base body (22) is connected to the lens plate (21), and the other side of the heat dissipation base body (22) is connected to the heat dissipation plate (1).
5. The thermoelectrically separated street light of claim 4, wherein, A first sealing member (23) is arranged between the lens plate (21) and the heat dissipation base body (22).
6. The thermoelectrically separated street light of claim 1, wherein, The heat-electricity separation type street lamp further comprises an inductor (4) electrically connected to the power supply component (31).
7. The thermoelectrically separated street light of claim 6, wherein, An installation hole (321) is formed in the protective cover (32), one end of the inductor (4) extends into the protective cover (32) from the outside of the protective cover (32) through the installation hole (321) and is electrically connected to the power supply component (31), and the inductor (4) is sealingly connected to the protective cover (32).
8. The thermoelectrically separated street light of claim 1, wherein, The heat-electricity separation type street lamp further comprises a waterproof joint (5) arranged on the outer wall of the protective cover (32) and electrically connected to the power supply component (31).
9. The thermoelectrically separated street light of claim 8, wherein, A protective portion (322) is arranged on the side wall of the side of the protective cover (32) where the waterproof joint (5) is arranged, and the protective portion (322) can shield the waterproof joint (5).
10. The thermoelectrically separated street light of any of claims 1-9, wherein, The heat-electricity separation type street lamp further comprises a lightning arrester (6) arranged in the protective cover (32); and / or The heat-electricity separation type street lamp further comprises a breather (7) mounted on the side wall of the protective cover (32).