Lamp with external power supply and street lamp
By designing LED lamps with external power supply, the connection head and conductive part are used to realize external electrical connection between the power supply and the lamp, solving the problems of high heat superposition and maintenance costs caused by the built-in power supply, and achieving simplicity of replacing the power supply and extending the lamp life.
Patent Information
- Application Number
- CN202411858785.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-03-07
AI Technical Summary
The power supply of existing LED lamps is built-in, which causes heat superposition, severe aging, high maintenance costs, and inconvenient power replacement.
Design an external power supply lamp, through the connecting head and the conductive part, the external electrical connection between the power supply assembly and the lamp body is simplified in disassembly and assembly and maintenance.
It realizes rapid loading, unloading and replacement of power supplies, extends the life of lamps, reduces maintenance costs, and improves safety and heat dissipation.
Smart Images

Figure CN119573027A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of lamps, and in particular to a lamp with an external power supply and a street lamp. Background Art
[0002] As energy supply becomes increasingly tight and environmental degradation worsens, the country is increasing its efforts to promote energy conservation and emission reduction, and the awareness of energy conservation and environmental protection is also increasing. LED lighting has become one of the key areas of national energy conservation and emission reduction. LED lighting fixtures are energy-saving and healthy lighting fixtures, which refer to appliances that can transmit light, distribute and change the light distribution of LED light sources, including all parts and components required to fix and protect LED light sources in addition to LED light sources, as well as the line accessories necessary for connecting to the power supply.
[0003] At present, the power supply of LED lamps is built-in, that is, the power supply is placed inside the lamp. On the one hand, lamps with built-in power supply will generate heat when working, and the heat generated by the power supply and the light source will be superimposed on each other, causing serious aging of the lamp and affecting the life of the lamp. On the other hand, for lamps with built-in power supply, aging of the power supply will cause the entire lamp to fail. Disassembly and replacement require opening the power supply cavity of the street lamp to replace, which is inconvenient to replace and has high maintenance costs. Summary of the invention
[0004] The main technical problem solved by the present invention is how to realize the rapid assembly and disassembly of the lamp power supply structure.
[0005] According to one aspect, an embodiment provides a lamp with an external power supply, comprising:
[0006] The lamp body comprises a housing, a circuit board and a light-emitting element arranged inside the housing, wherein the light-emitting element is mounted on the circuit board and is used for emitting light when powered on;
[0007] A power supply component is arranged outside the lamp body, and the power supply component is electrically connected to the circuit board and provides power to the light-emitting element; and
[0008] The connection component includes a connection head, the two ends of which are respectively fixed on the lamp body and the power supply component, one end of the connection head is provided with a plurality of connection sockets, the corresponding end of the power supply component is provided with a connection plug for inserting into the connection sockets, and the other end of the connection head is provided with a plurality of conductive parts, which are used to extend into the interior of the lamp body and be electrically connected to the circuit board.
[0009] In another embodiment, any of the connecting plugs is configured to be in an arc shape along a cross section perpendicular to the docking direction, and the arcs of a plurality of the connecting plugs are evenly distributed along the same axis.
[0010] In another embodiment, the connecting plug is arranged in an "L" shape, and the connecting socket is arranged in cooperation with the connecting plug.
[0011] In another embodiment, the connector includes a positioning portion and an insertion portion arranged in a stepped axis, the upper end of the shell is provided with a mounting groove for inserting the insertion portion, the positioning portion and the shell are provided with locking positioning holes, and the lower end of the power supply component is concave to form a groove for embedding the upper end of the positioning portion.
[0012] In another embodiment, the housing includes an upper cover body and a lower sealing plate, the upper cover body is open at the lower end and is used to install the circuit board and the light-emitting component, the lower sealing plate is used to close the upper cover body, and the lower sealing plate is light-transmissively arranged corresponding to the position of the light-emitting component.
[0013] In another embodiment, a sealing strip is provided between the upper cover body and the lower sealing plate, the upper end of the sealing strip is concave to form a slot, the lower end surface of the upper cover body is inserted into the slot, and the lower end of the sealing strip is arranged to be wavy.
[0014] In another embodiment, a heat sink is disposed in the housing, the circuit board is connected to the heat sink, and the light emitting element is disposed on a side of the circuit board away from the heat sink.
[0015] According to another aspect, an embodiment provides a street lamp, comprising a mounting frame and the above-mentioned external power lamp, the mounting frame comprising a mounting portion, a docking portion and a connecting piece, one end of the mounting portion is set to be hollow and used to connect to a matching mechanism of the street lamp, the other end of the mounting portion is set to the docking portion and used to dock with the outer shell, the connecting piece is used to connect the docking portion and the outer shell, and the angle between the docking portion and the outer shell can be adjusted.
[0016] In another embodiment, the connecting member includes a fixed section, a sliding section and a limiting section in sequence along the length direction, the fixed section is used to lock on one side of the outer shell, the sliding section passes through the docking part and slidably cooperates with the docking part, the docking part is provided with an adjustment groove for the sliding section to slide, and the limiting section is used to limit the connecting member from being separated from the mounting frame.
[0017] In another embodiment, a plurality of meshing and matching adjustment teeth are provided on one side of the docking portion and the housing, and a distribution track of the adjustment teeth corresponds to a setting direction of the adjustment groove.
[0018] According to the external power supply lamps and street lamps of the above-mentioned embodiments, the power supply component is electrically connected through the connecting socket at the upper end of the connecting head and the connecting plug on the power supply, and is installed on the lamp body through the connecting head, so that the conductive part at the lower end of the connecting head is electrically connected to the circuit board and the light-emitting part, thereby realizing the externalization of the power supply component and ensuring the normal power supply of the light-emitting part; the external power supply is safer, photoelectrically separated, and has better heat dissipation than the built-in power supply, and does not require tedious steps such as wiring and power supply fixing. The heat of the power supply and the light source does not affect each other, which is more convenient for later maintenance; and when replacing the power supply, you only need to unscrew it by plugging and unplugging, and replace it with a new power supply. It is easy to disassemble and assemble, and the maintenance cost is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of a street lamp with an external power supply in this embodiment;
[0020] Figure 2 for Figure 1 Explosion diagram of
[0021] Figure 3 A schematic diagram of the installation of a connector and a housing in one embodiment;
[0022] Figure 4 for Figure 3 Explosion diagram of
[0023] Figure 5 A schematic diagram of the structure of a power supply component in an embodiment;
[0024] Figure 6 is a cross-sectional view of a sealing strip in one embodiment;
[0025] Figure 7 Schematic diagram of the structure of the docking portion in an embodiment.
[0026] Figure numerals: 1. Lamp body; 11. Shell; 111. Upper cover; 112. Lower sealing plate; 113. Sealing strip; 114. Gasket; 115. Fixing screw; 12. Circuit board; 13. Light-emitting part; 14. Translucent plate; 15. Heat sink; 16. Mounting screw; 2. Power supply assembly; 21. Shell; 22. Groove; 23. Ventilation groove; 3. Connecting assembly; 31. Connecting head; 311. Positioning part; 312. Insertion part; 32. Connecting socket; 33. Connecting plug; 34. Conductive part; 35. Positioning hole; 36. Mounting groove; 4. Mounting frame; 41. Mounting part; 411. Fixing screw; 42. Docking part; 421. Adjustment groove; 422. Adjustment tooth pattern; 43. Connecting part. DETAILED DESCRIPTION
[0027] The present invention is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are for making the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different situations, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification, this is to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations according to the description in the specification and the general technical knowledge in the art.
[0028] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.
[0029] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).
[0030] As energy supply becomes increasingly tight and environmental degradation worsens, the country is increasing its efforts to promote energy conservation and emission reduction, and the awareness of energy conservation and environmental protection is also increasing. LED lighting has become one of the key areas of national energy conservation and emission reduction. LED lighting fixtures are energy-saving and healthy lighting fixtures, which refer to appliances that can transmit light, distribute and change the light distribution of LED light sources, including all parts and components required to fix and protect LED light sources in addition to LED light sources, as well as the line accessories necessary for connecting to the power supply.
[0031] At present, the power supply of LED lamps is built-in, that is, the power supply is placed inside the lamp. On the one hand, lamps with built-in power supply will generate heat when working, and the heat generated by the power supply and the light source will be superimposed on each other, causing serious aging of the lamp and affecting the life of the lamp. On the other hand, for lamps with built-in power supply, aging of the power supply will cause the entire lamp to fail. Disassembly and replacement require opening the power supply cavity of the street lamp to replace, which is inconvenient to replace and has high maintenance costs.
[0032] In an embodiment of the present invention, the power supply component 2 and the lamp body 1 are connected and assembled into an integral body through the connecting component 3. The power supply is external and can be quickly disassembled and installed together with the lamp as a whole, so that the power supply can be replaced at any time, thereby extending the life of the lamp and reducing maintenance costs.
[0033] Embodiment 1:
[0034] Please refer to Figure 1 and Figure 2 In one embodiment, a lamp with an external power supply is provided, comprising: a lamp body 1, comprising a shell 11 and a circuit board 12 and a light-emitting element 13 arranged inside the shell 11, the light-emitting element 13 being installed on the circuit board 12 and used for emitting light when powered on; a power supply component 2, arranged outside the lamp body 1, and the power supply component 2 is electrically connected to the circuit board 12 and provides power to the light-emitting element 13; and a connecting component 3, comprising a connector 31, the two ends of the connector 31 are respectively fixed on the lamp body 1 and the power supply component 2, one end of the connector 31 is provided with a plurality of connecting sockets 32, the corresponding end of the power supply component 2 is provided with a connecting plug 33 for inserting into the connecting socket 32, and the other end of the connector 31 is provided with a plurality of conductive parts 34, the conductive parts 34 are used to extend into the interior of the lamp body 1 and be electrically connected to the circuit board 12.
[0035] This embodiment electrically connects the power supply assembly 2 via the connection socket 32 at the upper end of the connector 31 and the connection plug 33 on the power supply, and is installed on the lamp body 1 via the connector 31, so that the conductive portion 34 at the lower end of the connector 31 electrically connects the circuit board 12 and the light-emitting component 13, thereby realizing the external placement of the power supply assembly 2 and ensuring the normal power supply of the light-emitting component 13.
[0036] For lamps with external power supply, first, compared with built-in power supply, it is safer, has photoelectric separation, and does not require tedious steps such as wiring and power supply fixing. Second, the overall power of the lamp is controlled separately, and the heat of the power supply and the light source do not affect each other, which reduces the workload of the power supply, extends the service life, and is more convenient for later maintenance. Third, to replace the power supply, you only need to unscrew it by plugging it in and replacing it with a new one. It is easy to disassemble and assemble, and the maintenance cost is greatly reduced.
[0037] For further information, please refer to Figure 2 , Figure 3 and Figure 4The connector 31 includes a positioning portion 311 and an insertion portion 312 arranged in a stepped axis. A mounting groove 36 for the insertion portion 312 to be inserted is provided at the upper end of the shell 11. The diameter of the positioning portion 311 is larger than the diameters of the insertion portion 312 and the mounting groove 36. The positioning portion 311 is close to the upper end surface of the shell 11. The positioning portion 311 and the shell 11 are provided with locking positioning holes 35. A positioning screw is provided at the position of the positioning hole 35. The positioning screw passes through the positioning hole 35 and extends into the interior of the shell 11 and is screwed and locked with the corresponding positioning nut, thereby fixing the connector 31 on the shell 11 to maintain the integrity of the connecting component 3 and the lamp body 1.
[0038] Please refer to Figure 3 and Figure 4 In this embodiment, the conductive part 34 uses multiple wires, which are connected to the circuit board 12 or other controllers and other structures through the wires. In other embodiments, the conductive part 34 can also use components such as spring pins to achieve conductivity. The specific structure can be set according to the usage environment.
[0039] Please refer to Figure 1 and Figure 5 The power supply assembly 2 includes a shell 21 and a power module inside the shell 21. The lower end of the shell 21 is concave to form a groove 22 for the upper end of the positioning portion 311 to be embedded. The connecting socket 32 at the upper end of the connector 31 and the connecting plug 33 on the power supply are electrically connected to the power supply assembly 2 and inserted into the connecting socket 32 at the upper end of the connector 31. The groove 22 is arranged around the docking end to protect the docking of the two and reduce various possible pollution.
[0040] Please refer to Figure 2 and Figure 5 In this embodiment, the number of the connecting sockets 32 and the connecting plugs 33 is set to eight, and the cross-section of any connecting plug 33 along the perpendicular direction (transverse direction) is set to an arc shape, and the arcs of multiple connecting plugs 33 are evenly distributed along the same axis. Specifically, the eight connecting plugs 33 are arranged in two circles of three inside and five outside, so that the connection power supply is more stable, the current resistance is larger, and it is not easy to fall off.
[0041] Please refer to Figure 2 and Figure 5 In another embodiment, the connecting plug 33 can be set to a straight plug-in and pull-out mode along the docking direction, or it can be set to a more stable "plug-in and twist" plug-in and pull-out mode. Specifically, the connecting plug 33 is set in an "L" shape, and the connecting socket 32 is matched with the connecting plug 33 to enable the connecting plug 33 and the docking head to have a rotational locking function, and only the rotation action needs to be added during loading and unloading.
[0042] For further information, please refer to Figure 1 and Figure 2The shell 11 is overall configured to be long and flat, including an upper cover body 111 and a lower sealing plate 112. The upper cover body 111 is hollow and has an opening at the lower end, and is used to install the circuit board 12 and the light-emitting component 13. The lower sealing plate 112 is used to close the upper cover body 111, and the lower sealing plate 112 is light-transmissive at the position corresponding to the light-emitting component 13.
[0043] Please refer to Figure 2 and Figure 3 A radiator 15 is provided on the inner wall of the upper cover body 111. The radiator 15 specifically includes a plurality of radiating ribs. The upper ends of the radiating ribs are integrally arranged with the upper cover body 111, and the lower end of the radiator 15 is connected to the circuit board 12; the light-emitting element 13 is arranged on the side of the circuit board 12 away from the radiator 15, and can be specifically set to a plurality of LED light sources, etc. The LED light source is integrally installed on the circuit board 12, and the side of the LED light source away from the circuit board 12 is set to a light-transmitting plate 14, and the light-transmitting plate 14 is set to an arc lens corresponding to any LED light source position to uniformly light, and the light-transmitting plate 14 and the circuit board 12 are fixed to the radiator 15 by mounting screws 16.
[0044] For further information, please refer to Figure 2 and Figure 6 A sealing strip 113 is provided between the upper cover body 111 and the lower sealing plate 112. The upper end of the sealing strip 113 is concave to form a card groove 1131. The lower end surface of the upper cover body 111 is inserted into the card groove 1131. The lower end of the sealing strip 113 is arranged in a wavy shape to make the path entering the interior of the shell 11 more complicated; a plurality of gaskets 114 are arranged along the peripheral side wall at the lower end of the lower cover plate, and fixing screws 411 are arranged at the position of the gasket 114 to lock and fix the lower cover plate and the upper cover body 111.
[0045] Furthermore, in other embodiments, a ventilation slot 23 is designed on the shell 21 of the power supply component 2, and the power supply module can be provided with a photosensitive device to realize light control and heat dissipation of the lamp; the upper cover 111 is standardized in design and adapted to the Zhaga BOOK 15 standard light source module; the lamp can be provided with a numerical control module to connect the circuit board 12 and the power supply component 2, and through the numerical control of the power supply component 2 and the circuit board 12, not only the intelligent light control function can be realized, but also the time control function, NFC function, zigbee / lora intelligent control, etc. can be realized, which can be increased or decreased according to the use environment, and will not be elaborated here.
[0046] In this embodiment, the power supply component 2 is installed on the housing 11 through the connector 31, and the mounting groove 36 is separated from the radiator 15, so that the power supply component 2 is not above the radiator 15 and will not be affected by the hot air flow generated by the radiator 15 below; ventilation grooves 23 are provided on the housing 21 of the power supply component 2, which increases the circulation of cold and hot air flows to achieve the heat dissipation effect and extend the service life of the power supply.
[0047] Embodiment 2:
[0048] Please refer to Figure 1 and Figure 2 Based on the above embodiment, another embodiment provides a street lamp, including a mounting frame 4 and the above-mentioned external power lamp, the mounting frame 4 includes a mounting portion 41, a docking portion 42 and a connecting piece 43, one end of the mounting portion 41 is set to be hollow and used to connect to the matching mechanism of the street lamp, the other end of the mounting portion 41 is set to be the docking portion 42 and used to dock the shell 11, the connecting piece 43 is used to connect the docking portion 42 and the shell 11, and the angle between the docking portion 42 and the shell 11 can be adjusted.
[0049] For details, please refer to Figure 1 The mounting portion 41 is configured as a cylindrical structure, and a fixing screw 411 is provided on the side wall of the mounting portion 41 for locking the matching mechanism between the mounting portion 41 and the street lamp. The docking portion 42 is specifically connected and adjusted with one side of the housing 11 to change the projection position and range of the street lamp, making it more applicable and versatile, and can be used not only in street lamps, but also in a series of products such as garden lamps, floodlights, and mining lamps.
[0050] Please refer to Figure 2 , Figure 6 and Figure 7 The connecting member 43 includes a fixed section, a sliding section and a limiting section in sequence along the length direction. The fixed section is used to be locked on one side of the shell 11. The sliding section passes through the docking portion 42 and slides with the docking portion 42. The docking portion 42 is provided with an adjustment groove 421 for the sliding section to slide. The limiting section is used to limit the connecting member 43 from being separated from the mounting frame 4. In this embodiment, the connecting member 43 as a whole can be implemented by a bolt structure.
[0051] Please refer to Figure 2 , Figure 6 and Figure 7 In order to improve the connection stability between the docking portion 42 and the shell 11, a plurality of meshing and matching adjustment teeth 422 are provided on one side of the docking portion 42 and the shell 11, and the distribution trajectory of the adjustment teeth 422 corresponds to the setting direction of the adjustment groove 421. When the connecting piece 43 is in a non-locked state, the angle between the mounting frame 4 and the lamp can be adjusted, and the adjustment teeth 422 on the side of the docking portion 42 and the shell 11 produce relative movement, and the adjustment teeth 422 can also limit the adjustment angle between the two at one time, which is convenient for fine-tuning and pre-positioning. After determining the adjustment angle, the static friction between the adjustment teeth 422 can temporarily make the mounting frame 4 and the lamp in a relatively static state, and finally locked by the connecting piece 43.
[0052] The above specific examples are used to illustrate the present invention, which is only used to help understand the present invention and is not intended to limit the present invention. For those skilled in the art, according to the concept of the present invention, some simple deductions, modifications or substitutions can be made.
Claims
1. A lamp with an external power supply, characterized in that: include: A lamp body (1) comprises a housing (11), a circuit board (12) and a light-emitting element (13) arranged inside the housing (11), wherein the light-emitting element (13) is mounted on the circuit board (12) and is used to emit light when powered on; A power supply component (2) is arranged outside the lamp body (1), and the power supply component (2) is electrically connected to the circuit board (12) and provides electrical energy to the light-emitting element (13); as well as A connection assembly (3) comprises a connection head (31), the two ends of which are respectively fixed to the lamp body (1) and the power supply assembly (2), one end of the connection head (31) is provided with a plurality of connection sockets (32), the corresponding end of the power supply assembly (2) is provided with a connection plug (33) for inserting into the connection sockets (32), and the other end of the connection head (31) is provided with a plurality of conductive parts (34), the conductive parts (34) are used to extend into the interior of the lamp body (1) and be electrically connected to the circuit board (12).
2. The external power lamp according to claim 1, characterized in that: Any of the connecting plugs (33) is arranged in an arc shape along a cross section perpendicular to the docking direction, and the arcs of a plurality of the connecting plugs (33) are evenly distributed along the same axis.
3. The external power source lamp as claimed in claim 2, characterized in that: The connecting plug (33) is arranged in an "L" shape, and the connecting socket (32) is arranged in cooperation with the connecting plug (33).
4. The external power source lamp according to claim 1, characterized in that: The connector (31) comprises a positioning portion (311) and an insertion portion (312) arranged in a stepped axis, the upper end of the housing (11) is provided with a mounting groove (36) for inserting the insertion portion (312), the positioning portion (311) and the housing (11) are provided with locking positioning holes (35), and the lower end of the power supply component (2) is concave to form a surrounding groove (22) for the upper end of the positioning portion (311) to be embedded.
5. The lamp with an external power supply as claimed in claim 1, characterized in that: The housing (11) comprises an upper cover body (111) and a lower sealing plate (112); the upper cover body (111) is open at the lower end and is used to install the circuit board (12) and the light-emitting component (13); the lower sealing plate (112) is used to seal the upper cover body (111), and the lower sealing plate (112) is arranged to be light-transmissive at a position corresponding to the light-emitting component (13).
6. The lamp with an external power supply as claimed in claim 5, characterized in that: A sealing strip (113) is provided between the upper cover body (111) and the lower sealing plate (112); the upper end of the sealing strip (113) is concave to form a slot (1131); the lower end surface of the upper cover body (111) is inserted into the slot (1131); and the lower end of the sealing strip (113) is arranged in a wave shape.
7. The lamp with an external power supply as claimed in claim 1, characterized in that: A heat sink (15) is arranged in the housing (11), the circuit board (12) is connected to the heat sink (15), and the light-emitting element (13) is arranged on a side of the circuit board (12) away from the heat sink (15).
8. A street lamp, characterized in that: The invention comprises a mounting frame (4) and an external power lamp as claimed in any one of claims 1 to 7, wherein the mounting frame (4) comprises a mounting portion (41), a docking portion (42) and a connecting piece (43), wherein one end of the mounting portion (41) is arranged to be hollow and used for connecting to a matching mechanism of a street lamp, and the other end of the mounting portion (41) is arranged to be the docking portion (42) and used for docking with the housing (11), and the connecting piece (43) is used for connecting the docking portion (42) and the housing (11), and the angle between the docking portion (42) and the housing (11) can be adjusted.
9. The street lamp according to claim 8, characterized in that: The connecting member (43) comprises a fixed section, a sliding section and a limiting section in sequence along the length direction; the fixed section is used to lock on one side of the housing (11); the sliding section passes through the docking portion (42) and slidably cooperates with the docking portion (42); the docking portion (42) is provided with an adjustment groove (421) for the sliding section to slide; and the limiting section is used to limit the connecting member (43) from being separated from the mounting frame (4).
10. The street lamp according to claim 9, characterized in that: A plurality of meshing and matching adjustment teeth (422) are provided on one side of the docking portion (42) and the housing (11), and the distribution track of the adjustment teeth (422) corresponds to the setting direction of the adjustment groove (421).