CN216431300U - High-voltage-resistant LED lamp - Google Patents
High-voltage-resistant LED lamp Download PDFInfo
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- CN216431300U CN216431300U CN202122677196.6U CN202122677196U CN216431300U CN 216431300 U CN216431300 U CN 216431300U CN 202122677196 U CN202122677196 U CN 202122677196U CN 216431300 U CN216431300 U CN 216431300U
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- insulating gasket
- light source
- connecting piece
- source board
- radiator
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Abstract
The application provides a high pressure resistant LED lamps and lanterns, include from last light source board, first insulating gasket and the radiator that sets gradually extremely down, still include connecting piece and second insulating gasket, set up the fastening hole that runs through its upper and lower surface on the light source board, the second insulating gasket is acceptd at least partially in the fastening hole, wherein, the connecting piece passes in proper order behind second insulating gasket, the fastening hole and the first insulating gasket with radiator fastening connection. The beneficial effects of the utility model reside in that the utility model discloses a high pressure resistant LED lamps and lanterns set up one deck insulating pad between light source board and radiator, fasten light source board, insulating pad and radiator together through the connecting piece, set up one deck plastic insulating pad simultaneously between connecting piece and light source board, avoid connecting piece and light source board to switch on, promoted the high pressure resistant performance of LED lamps and lanterns, promoted the life of LED lamps and lanterns.
Description
Technical Field
The application relates to the technical field of lamps, in particular to a high-voltage-resistant LED lamp.
Background
With the development of display technology, because of high power, a high-power LED bulb generally uses a metal heat sink, an aluminum substrate is used as a light source board, and the safety of the LED bulb requires high voltage resistance (AC4000V), which requires that the aluminum substrate and the heat sink are reinforced and insulated, how to implement the bulb? At present, the high-voltage resistant safety requirements are not met or a high-voltage resistant aluminum substrate is adopted in the market, but the scheme is high in cost, the voltage resistance is purely dependent on a production process, and the implementation mode is not reliable.
SUMMERY OF THE UTILITY MODEL
The application provides a high-voltage-resistant LED lamp to solve the technical problem that an LED lamp in the prior art cannot resist high-voltage impact.
The application provides a high pressure resistant LED lamps and lanterns, include from last light source board, first insulating gasket and the radiator that sets gradually extremely down, still include connecting piece and second insulating gasket, set up the fastening hole that runs through its upper and lower surface on the light source board, the second insulating gasket is acceptd at least partially in the fastening hole, wherein, the connecting piece passes in proper order behind second insulating gasket, the fastening hole and the first insulating gasket with radiator fastening connection.
Optionally, in some embodiments of the present application, a lower surface of the second insulating gasket is formed with a first insertion portion extending downward in a hanging manner, and the first insertion portion is at least partially inserted into the fastening hole.
Optionally, in some embodiments of the present application, a projected area of the first insertion part on the light source board is smaller than a projected area of the second insulating gasket on the light source board, so that an annular pressing area is formed between a periphery of the first insertion part and a peripheral edge of the second insulating gasket.
Optionally, in some embodiments of the present application, the first inserting portion and the fastening hole are in interference fit.
Optionally, in some embodiments of the present application, the first insulating pad is made of a high thermal conductivity insulating material, and the material of the second insulating pad includes at least one of plastic, rubber, and ceramic.
Optionally, in some embodiments of the present application, a first through hole for the connecting part to pass through is formed in the first insulating pad, and an inner diameter of the first through hole is smaller than an inner diameter of the fastening hole.
Optionally, in some embodiments of the present application, a second through hole for the connector to pass through is formed in the second insulating gasket, and an inner diameter of the second through hole is smaller than an inner diameter of the fastening hole.
Optionally, in some embodiments of the present application, the connecting element has a second insertion portion, an outer diameter of the second insertion portion is smaller than an outer diameter of the connecting element, an outer diameter of the second insertion portion is smaller than an outer diameter of the first through hole, and an outer diameter of the second insertion portion is smaller than an outer diameter of the second through hole.
Optionally, in some embodiments of the present application, the light source board includes a substrate and light emitting elements distributed on a surface of the substrate on a side away from the heat sink, where the substrate is an aluminum substrate.
Optionally, in some embodiments of the present application, the high voltage resistant LED lamp further includes a light transmissive cover disposed on a side of the light source board away from the heat sink; the shell is arranged on the other side opposite to the radiator, and the light-transmitting cover or one end of the shell, which is far away from the radiator, is an installation head.
The beneficial effects of the utility model reside in that the utility model discloses a high pressure resistant LED lamps and lanterns set up one deck insulating pad between light source board and radiator, fasten light source board, insulating pad and radiator together through the connecting piece, set up one deck plastic insulating pad simultaneously between connecting piece and light source board, avoid connecting piece and light source board to switch on, promoted the high pressure resistant performance of LED lamps and lanterns, promoted the life of LED lamps and lanterns.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an exploded view of a high pressure resistant LED lamp provided herein;
FIG. 2 is a partial enlarged view of a high voltage tolerant LED lamp provided herein;
FIG. 3 is a cross-sectional view of a second insulating spacer provided herein;
fig. 4 is a cross-sectional view of a second insulating spacer in another preferred embodiment as provided by the present application.
The numbers in the figures are as follows:
a light-transmitting cover 1; a light source board 2;
a heat sink 3; a housing 4;
a first insulating pad 5; a second insulating spacer 6;
a connecting member 7; a power supply section 8;
a mounting head 9; a fastening hole 21;
a heat radiating top surface 31; a first through hole 51;
a second through hole 61; an annular extrusion region 62;
a first insertion part 63; an annular projection 64;
a second mating portion 71.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In this application, unless stated to the contrary, the use of directional terms such as "upper", "lower", "left" and "right" generally refer to the upper, lower, left and right sides of the device in actual use or operation, and specifically to the orientation of the drawing figures.
The present application provides a high voltage resistant LED lamp, which is described in detail below. Referring to fig. 1, fig. 1 is an exploded view of a high voltage resistant LED lamp provided in the present application. In the present application, the high voltage resistant LED lamp includes a light transmissive cover 1, a light source board 2, a heat sink 3, a housing 4, a first insulating gasket 5, a second insulating gasket 6, a connecting member 7, a power supply component 8, and a mounting head 9.
The light-transmitting cover 1 is a high-temperature-resistant light-transmitting shell and is made of plastic, the upper surface of the light-transmitting cover 1 is arched, so that the inner surface of the light-transmitting cover is bent to form a cavity, the cavity is used for accommodating the light source board 2, the light-transmitting cover 1 can disperse light emitted by the light source board 2, the light emitted by the light source board 2 is softer, the light source board 2 can be protected from being influenced by an external water vapor environment, and therefore the service life of the high-pressure-resistant LED lamp is prolonged.
The light source board 2 comprises a substrate and a plurality of light-emitting elements arranged on the substrate at intervals, wherein in the embodiment, the light-emitting elements are LED lamp beads, the light-emitting elements are arranged on one side surface of the substrate facing the light-transmitting cover 1 in a welding or clamping manner, and the like, in the embodiment, because a high-power LED is adopted, the substrate needs to meet the high-voltage resistance requirement, and the alternating voltage is not lower than 4000V, the substrate in the embodiment is an aluminum substrate which is a metal-based copper-clad plate, a common single panel is composed of a three-layer structure, namely a circuit layer, an insulating layer and a metal base layer, which is common in LED lighting products, the aluminum substrate has a front side and a back side, one white side is used for welding LED pins, the other side is in an aluminum natural color, and is generally coated with heat-conducting condensation slurry and then contacted with a heat-conducting part, so that the light-emitting element has good high-voltage resistance and heat-radiating capability, the substrate may also be a ceramic substrate.
In order to avoid the conduction problem between the light source board 2 and the heat sink 3 in the high voltage environment, an insulating layer needs to be disposed between the light source board 2 and the heat sink 3, as shown in fig. 2, in this embodiment, the light source board 2 and the heat sink 3 are isolated by using a first insulating pad 5, the first insulating pad 5 is made of a high thermal conductivity insulating material, the high thermal conductivity insulating material is an insulating material with a high thermal conductivity coefficient as its name implies, the thermal conductivity (also called thermal conductivity) is a physical quantity representing the magnitude of the thermal conductivity of the material, and the thermal conductivity (also called thermal conductivity) is defined as that the temperature difference between two side surfaces is 1 degree (K, deg.c) under the condition of stable heat transfer, and the heat transferred through the area of 1 square meter in 1 second (1s) is in units of watt/meter · degree (W/(m · K)), where K) can be replaced by deg.c, and the high thermal conductivity insulating material herein means an insulating material with a thermal conductivity coefficient of 30W/(m · K) or more, like aluminium nitride ceramic, carborundum, anodization aluminium material, the meaning that adopts high thermal conductivity's insulating material in the present case lies in, when guaranteeing that light source board 2 is insulating with radiator 3, thereby can give radiator 3 with the high-efficient conduction of heat and dispel the heat, and then can satisfy the high pressure resistant performance requirement of LED lamps and lanterns, promptly the insulating of LED lamps and lanterns formation under the high pressure condition switches on and the bad problem of heat dissipation.
Specifically, the light source plate 2 is provided with a fastening hole 21 penetrating through the upper surface and the lower surface of the light source plate, the radiator 3 is provided with a threaded hole, the first insulating gasket 5 is provided with a first through hole 51, and the inner diameter of the first through hole 51 is smaller than that of the fastening hole 21, so that the light source plate 2 and the connecting piece 7 are insulated from each other, and the light source plate 2 and the radiator 3 are insulated from each other. Preferably, the inner diameter of the fastening hole 21 is 1.2 to 4 times the inner diameter of the first through hole 51.
The threaded hole is opposite to the first through hole 51 and the fastening hole 21, when the light source board 2, the first insulating gasket 5 and the heat sink 3 are fastened by the connecting piece 7 penetrating through the fastening hole 21, the first through hole 51 and the threaded hole, in this embodiment, the connecting piece 7 is a screw, in order to avoid the connecting piece 7 becoming a conductive medium due to the contact of the connecting piece 7 and the light source board 2, in this embodiment, the edge of the fastening hole 21 is lapped with the second insulating gasket 6, the second insulating gasket 6 is a plastic gasket, as shown in fig. 3, the center of the second insulating gasket is provided with the second through hole 61, the second through hole 61 is opposite to the threaded hole, the inner diameter of the second through hole 61 is larger than that of the threaded hole, so that the connecting piece 7 penetrates through the second through hole 61 and is screwed into the threaded hole, the lower surface of the second insulating gasket 6 is formed with a first inserting part 63 extending downward in a hanging manner, the first inserting portion 63 is at least partially inserted into the fastening hole 21, an annular protrusion 64 is arranged at the edge of the second insulating gasket 6, wherein one side surface of the annular protrusion 64 is flush with one side surface of the second insulating gasket 6, the other side surface is overlapped on the surface of the light source plate 2 when the light source plate is installed, meanwhile, the thickness of the second insulating gasket 6 in the fastening hole 21 is smaller than the depth of the fastening hole 21, the second insulating gasket 6 can be suspended in the light source plate 2 when the light source plate is installed, the purpose of fastening the second insulating gasket 6 and the light source plate 2 can be achieved by screwing the connecting piece 7, the insulating property of the second insulating gasket 6 is enhanced, and dislocation is prevented.
In addition, the connecting member is preferably an insulating material in order to prevent unnecessary electrical conduction, or may be any substance, structure and/or composition as long as the connecting member can function as described herein.
In another preferred embodiment of the present invention, as shown in fig. 4, the outer diameter of the first insertion portion 63 is smaller than the maximum outer diameter of the second insulating gasket 6, so that an annular pressing region 62 is formed between the outer periphery of the first insertion portion 63 and the outer peripheral edge of the second insulating gasket 6. Therefore, in the process that the connecting piece 7 is fastened and connected with the radiator 3 after sequentially passing through the second insulating gasket 6, the fastening hole 21 and the first insulating gasket 5, the first inserting part 63 is inserted into the fastening hole 21 to position the second insulating gasket, and meanwhile, the second insulating gasket is pressed downwards on the light source plate 2 through the annular pressing area 62 of the second insulating gasket to push the light source plate 2 to the first insulating gasket 5 and the radiator 3, and finally, the fastening connection of the second insulating gasket 6, the fastening hole 21, the first insulating gasket 5 and the radiator 3 is formed.
Wherein, first grafting portion 63 adopts interference fit with fastening hole 21 in the utility model discloses a another preferred embodiment, the external diameter of first grafting portion 63 is 1.05 ~ 1.1 times of the internal diameter of fastening hole 21, because of the second insulating gasket is the plastics material, the external diameter of first grafting portion 63 slightly is greater than the internal diameter of fastening hole 21 and can improves the stability that both pegged graft.
The connecting member 7 includes a second inserting portion 71, wherein a thread is disposed on an outer surface of the second inserting portion 71 for screwing into the threaded hole, and a gap is formed between the second inserting portion 71 and the first through hole 51 and between the second inserting portion 71 and the second through hole 61, so as to avoid friction between the first insulating gasket 5 and the second insulating gasket 6, which may result in an unfastened connection.
The shell 4 is arranged on one side, far away from the light source board 2, of the radiator 3, the shell 4 is used for containing some non-luminous components of the high-voltage-resistant LED lamp, such as the power supply component 8, the transparent cover 1, the radiator 3 and the shell 4 jointly enclose an appearance part of the high-voltage-resistant LED lamp, and the connection part of the three is in smooth transition, so that the appearance of the high-voltage-resistant LED lamp is ornamental.
The output end of the power supply component 8 is connected to the light source board 2 after penetrating through the radiator 3 and the first insulating gasket 5 through a wire, the input end of the power supply component 8 penetrates through the shell 4, an installing head 9 is arranged at the tail end of the shell 4, namely one end of the shell 4 far away from the radiator 3, the installing head 9 is made of conductive materials, the installing head 9 is used for being externally connected with an alternating current power supply, and the input end of the power supply component 8 is externally connected with the alternating current power supply through the installing head 9, so that the light source board 2 is supplied for light emitting use.
In this embodiment, the beneficial effects of the utility model reside in that the utility model discloses a high pressure resistant LED lamps and lanterns set up one deck insulating pad between light source board and radiator, fasten light source board, insulating pad and radiator together through the connecting piece, set up one deck plastic insulating pad simultaneously between connecting piece and light source board, avoid connecting piece and light source board to switch on, have promoted the high pressure resistant performance of LED lamps and lanterns, have promoted the life of LED lamps and lanterns.
The high-voltage resistant LED lamp provided by the present application is described in detail above, and the principle and the implementation of the present application are explained by applying specific examples herein, and the description of the above examples is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The high-voltage-resistant LED lamp comprises a light source board (2), a first insulating gasket (5) and a radiator (3) which are sequentially arranged from top to bottom, and is characterized by further comprising a connecting piece (7) and a second insulating gasket (6), wherein a fastening hole (21) penetrating through the upper surface and the lower surface of the light source board (2) is formed in the light source board, the second insulating gasket (6) is at least partially accommodated in the fastening hole (21), and the connecting piece (7) sequentially penetrates through the second insulating gasket (6), the fastening hole (21) and the first insulating gasket (5) and then is fixedly connected with the radiator (3).
2. The high-voltage-resistant LED lamp as recited in claim 1, wherein the lower surface of the second insulating gasket (6) is formed with a first insertion portion (63) extending downward in a hanging manner, and the first insertion portion (63) is at least partially inserted into the fastening hole (21).
3. The high voltage tolerant LED light fixture of claim 2,
the projection area of the first inserting part (63) on the light source plate (2) is smaller than that of the second insulating gasket (6) on the light source plate (2), so that an annular pressing area (62) is formed between the periphery of the first inserting part (63) and the peripheral edge of the second insulating gasket (6).
4. The high voltage tolerant LED light fixture of claim 3,
the first inserting part (63) is in interference fit with the fastening hole (21).
5. The high voltage resistant LED lamp according to any one of claims 1 to 4,
the first insulating gasket (5) is made of a high-heat-conductivity insulating material, and the second insulating gasket (6) is made of at least one of plastic, rubber and ceramic.
6. The high voltage resistant LED lamp according to any one of claims 1 to 4,
the first insulating gasket (5) is provided with a first through hole (51) for the connecting piece (7) to pass through, and the inner diameter of the first through hole (51) is smaller than that of the fastening hole (21).
7. The high-voltage-resistant LED lamp according to any one of claims 1 to 4, wherein the second insulating gasket (6) is provided with a second through hole (61) for the connecting piece (7) to pass through, and the inner diameter of the second through hole (61) is smaller than that of the fastening hole (21).
8. The high voltage resistant LED lamp according to any one of claims 1 to 4,
the connecting piece (7) is provided with a second inserting part (71), the outer diameter of the second inserting part (71) is smaller than that of the connecting piece (7), the outer diameter of the second inserting part (71) is smaller than that of the first through hole (51), and the outer diameter of the second inserting part (71) is smaller than that of the second through hole (61).
9. The high-voltage-resistant LED lamp as claimed in any one of claims 1 to 4, wherein the light source board (2) comprises a substrate and light emitting elements distributed on the surface of one side of the substrate away from the heat sink (3), and the substrate is an aluminum substrate.
10. The high-voltage-resistant LED lamp according to any one of claims 1 to 4, further comprising:
the light-transmitting cover (1) is arranged on one side of the radiator (3);
the shell (4) is arranged on the other side opposite to the radiator (3), and an installation head (9) is arranged at one end, far away from the radiator (3), of the shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677196.6U CN216431300U (en) | 2021-11-03 | 2021-11-03 | High-voltage-resistant LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677196.6U CN216431300U (en) | 2021-11-03 | 2021-11-03 | High-voltage-resistant LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216431300U true CN216431300U (en) | 2022-05-03 |
Family
ID=81335968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122677196.6U Active CN216431300U (en) | 2021-11-03 | 2021-11-03 | High-voltage-resistant LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216431300U (en) |
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2021
- 2021-11-03 CN CN202122677196.6U patent/CN216431300U/en active Active
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