High-voltage LED illuminating lamp

Abstract

The utility model discloses a high-voltage LED illuminating lamp which comprises a spiral lamp cap, a lamp holder, an insulation shielding cover, a regular polyhedron heat dissipation hollow column, a bridging plate, a fan, a shell and an end cover. The spiral lamp cap is arranged at one end of the lamp holder in a sleeved mode and is in threaded connection with the lamp holder. The regular polyhedron heat dissipation hollow column is arranged at the end, away from the spiral lamp cap, of the lamp holder and detachably connected with the lamp holder. The insulation shielding cover is arranged in a cavity of the regular polyhedron heat dissipation hollow column; the bridging plate is arranged at the end, away from the lamp holder, of the regular polyhedron heat dissipation hollow column and detachably connected with the regular polyhedron heat dissipation hollow column. The fan is arranged on the side, away from the regular polyhedron heat dissipation hollow column, of the bridging plate and detachably connected with the bridging plate. The shell sleeves the outer side of the fan; the end cover is arranged at the end, away from the regular polyhedron heat dissipation hollow column, of the shell, the end cover is detachably connected with the shell, an air outlet is formed in the end cover, the high-voltage LED illuminating lamp integrates the advantages of being compact in structure, good in heat dissipation performance, high in safety and the like, practicability is high, the cost performance is high, and the market space is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting technical field, concretely is a high pressure LED lighting lamp. BACKGROUND

[0002] Traditional high pressure LED lighting lamp (such as high pressure sodium lamp, halogen lamp) generally has problems such as high energy consumption, short service life and low heat dissipation efficiency. Especially in high pressure environment, lamp long-time operation is easy to cause light decay acceleration, component aging due to heat accumulation, and even cause safety hazard. In addition, the light emitting efficiency of traditional light source is low, which is difficult to meet the demand of high brightness, uniform illumination in modern industry, outdoor operation and other fields. Although LED has the advantages of energy saving and long service life, but in high pressure or high power scene, its heat dissipation demand increases significantly. The heat dissipation design of existing LED lamp mostly depends on simple aluminum substrate or passive heat sink, which is difficult to balance the contradiction between compact structure and high efficiency heat dissipation. At the same time, the high pressure environment has higher requirements for electrical insulation and electromagnetic shielding of lamp, and the structure of ordinary LED lamp is easy to be disturbed, and there is the risk of electric leakage. SUMMARY

[0003] In order to solve the above problems, the utility model provides a high pressure LED lighting lamp with compact structure, good heat dissipation and high safety, which comprises a spiral lamp holder, a lamp holder, an insulating shield cover, a regular polyhedral heat dissipation hollow column, a bridge plate, a fan, an outer shell and an end cover. The spiral lamp holder is sleeved on one end of the lamp holder and is screwed with the lamp holder. The regular polyhedral heat dissipation hollow column is arranged at the end of the lamp holder away from the spiral lamp holder, and the regular polyhedral heat dissipation hollow column is detachably connected with the lamp holder. The regular polyhedral heat dissipation hollow column is composed of a plurality of heat dissipation fins, and an integrally formed T-shaped separation ridge plate is arranged between adjacent heat dissipation fins. Each heat dissipation fin is provided with a group of first LED light source groups on the outer surface. A corresponding lens is arranged above each group of first LED light source groups. The lens is detachably connected with the heat dissipation fin, and the T-shaped separation ridge plate is embedded between adjacent lenses. The insulating shield cover is arranged in the cavity of the regular polyhedral heat dissipation hollow column. The insulating shield cover is provided with a mesh on the upper surface, and a circuit board is arranged in the mesh. The circuit board is electrically connected with the first LED light source group. The bridge plate is arranged at the end of the regular polyhedral heat dissipation hollow column away from the lamp holder and is detachably connected with the regular polyhedral heat dissipation hollow column. The fan is arranged on the side of the bridge plate away from the regular polyhedral heat dissipation hollow column and is detachably connected with the bridge plate. The outer shell is sleeved on the outer side of the fan. The end cover is arranged at the end of the outer shell away from the regular polyhedral heat dissipation hollow column and is detachably connected with the outer shell. The end cover is provided with an air outlet on the upper surface. The end cover is provided with a cavity around the air outlet. The second LED light source group is arranged in the cavity and is connected in parallel with the first LED light source group.

[0004] Preferably, the insulating shield cover is made of PVC material.

[0005] Preferably, the diameter of the mesh on the insulating shield cover is 0.1-2mm.

[0006] Preferably, the heat dissipation fins are made of any of copper, aluminum, copper-aluminum alloy or ceramic.

[0007] Preferably, the outer surface of the heat dissipation fins is coated with a silicone coating, and the inner surface is coated with insulating paint.

[0008] Preferably, the thickness of the silicone coating is 0.1-0.3 mm, and the thickness of the insulating paint is 0.08-0.2 mm.

[0009] Preferably, the circuit board is provided with a control element, a driving element, a constant current power supply and a temperature sensor, and the control element, the driving element and the temperature sensor are electrically connected to the constant current power supply.

[0010] Preferably, the lamp holder is provided with a fault indicator, and the indicator is electrically connected to the control element.

[0011] Preferably, the fan side is provided with a switch circuit board and a switch, the switch is arranged on the switch circuit board, and the switch is electrically connected to the switch circuit board and the control element.

[0012] Preferably, the housing is provided with a switch seat and a switch cover, the switch seat and the switch cover cooperate to form a cavity, the switch seat is provided with a through hole, and the switch is arranged in the cavity through the through hole and is clamped with the switch seat.

[0013] Beneficial effects are that: the LED light source is arranged on the surface of the regular polyhedral heat dissipation hollow column and the end cover, which not only has a more compact structure but also can meet the multi-dimensional lighting, breaks through the traditional single light distribution mode, and makes the light more uniform; secondly, the insulating shield with mesh is additionally arranged in the cavity of the regular polyhedral heat dissipation hollow column, which is beneficial to the heat dissipation of the circuit board and can isolate the circuit board from the heat dissipation fins to avoid human body contact and improve the safety of the lamp; finally, the heat dissipation fins and the T-shaped separation ridge plate form a three-dimensional heat dissipation structure, which increases the heat dissipation area, improves the heat conduction efficiency, avoids local overheating, and cooperates with the fan to form a forced cooling and natural cooling double mode to improve the heat dissipation performance of the lamp and avoid safety hazards caused by local overheating of the lamp. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is a whole structure schematic view of the present application;

[0016] Figure 2 It is an explosion structure schematic view of the present application;

[0017] In the drawings;

[0018] 1, screw lamp holder;

[0019] 2. lamp holder;

[0020] 3. insulating shield; 31, circuit board;

[0021] 4. regular polygonal hollow heat-dissipating column; 41, heat-dissipating fin; 42, first LED light source group; 43, T-shaped partition ridge plate; 44, lens;

[0022] 5. bridge plate;

[0023] 6. fan; 61, switch circuit board; 62, switch;

[0024] 7. housing; 71, switch holder; 711, through hole; 72, switch cover;

[0025] 8. end cover; 81, air outlet; 82, second LED light source group. DETAILED DESCRIPTION

[0026] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, a plurality of practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present application. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0027] It should be noted that all directional references, such as upper, lower, left, right, front, rear, etc., are in relation to the specific embodiment shown in the drawing and are used in connection with the description of the application. These directional references are not intended to limit the application to the specific orientation shown in the drawings.

[0028] In addition, the description of "first", "second", etc. in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] EMBODIMENT

[0030] Please refer toFigure 1 and Figure 2 , Figure 1 is the overall structure of the present utility model schematic diagram, Figure 2The utility model discloses an explosion structure schematic diagram. The embodiment provides a high pressure LED lighting lamp which is compact in structure, good in heat dissipation and high in safety, comprising spiral lamp holder 1, lamp holder 2, insulating shield 3, regular polyhedral heat dissipation hollow column 4, bridging plate 5, fan 6, shell 7 and end cover 8, spiral lamp holder 1 is sleeved on one end of lamp holder 2 and is screwed with lamp holder 2, and spiral lamp holder 1 is equipped with soldering tin contact point, regular polyhedral heat dissipation hollow column 4 is arranged at the end of lamp holder 2 far from spiral lamp holder 1, regular polyhedral heat dissipation hollow column 4 is detachably connected with lamp holder 2, and elastic gasket is arranged at the connecting place of regular polyhedral heat dissipation hollow column 4 and lamp holder 2 for compensating thermal expansion, regular polyhedral heat dissipation hollow column 4 is composed of multiple heat dissipation fins 41, preferably six or eight heat dissipation fins 41, and regular hexahedral heat dissipation hollow column or regular octahedral heat dissipation hollow column is formed, heat dissipation fin 41 is made of high-thermal-conductivity material, such as copper, aluminum, copper-aluminum alloy or ceramic, and the outer surface of heat dissipation fin 41 is coated with 0.1~0.3mm silicone coating to enhance anti-corona and creepage ability, the inner surface of heat dissipation fin 41 is coated with 0.08~0.2mm insulating paint to improve voltage resistance performance, integrally-formed T-shaped separation ridge plate 43 is arranged between adjacent heat dissipation fins 41, T-shaped separation ridge plate 43 is inserted into the groove of lamp holder 2 to realize the detachable connection of regular polyhedral heat dissipation hollow column 4 and lamp holder 2, which not only can improve the structural stability of the lamp, but also is convenient to maintain, the outer surface of each heat dissipation fin 41 is equipped with a group of first LED light source groups 42, each group of first LED light source groups 42 is equipped with corresponding lens 44 above, lens 44 is detachably connected with heat dissipation fin 41 through screw and other modes, T-shaped separation ridge plate 43 is embedded between adjacent lenses 44, which can not only enlarge the heat dissipation area, but also can prevent lens 44 from falling off, insulating shield 3 is arranged in the cavity of regular polyhedral heat dissipation hollow column 4, and insulating shield 3 is made of PVC material and is equipped with hole diameter 0.1~2mm mesh to ventilate and dissipate heat, the insulating shield 3 is provided with a circuit board 31, the circuit board 31 is provided with a control element, a driving element, a constant current power supply and a temperature sensor, the control element, the driving element and the temperature sensor are electrically connected with the constant current power supply, the temperature sensor senses the temperature of the lamp and feeds back the signal to the control element in time, the control element controls the rotation of the fan to realize rapid heat dissipation; the insulating shield 3 can avoid the direct contact between the circuit board 31 and the cooling fin 41 to prevent the circuit board 31 from being affected by external electromagnetic radiation, and can also optimize the electric field path, reduce the potential difference gradient between the cooling fin 41 and the circuit board 31, avoid partial discharge, the circuit board 31 is electrically connected with the first LED light source group 42; the bridge plate 5 is also called bridge circuit board and bridge, which is arranged at one end of the positive polyhedral heat dissipation hollow column 4 away from the lamp holder 2 and is detachably connected with the positive polyhedral heat dissipation hollow column 4; the cooling fin 41 is inserted into the through hole of the bridge plate 5 to realize the detachable connection of the bridge plate 5 and the positive polyhedral heat dissipation hollow column 4; the fan 6 is arranged on the side of the bridge plate 5 away from the positive polyhedral heat dissipation hollow column 4 and is detachably connected with the bridge plate 5 through screws and the like; the shell 7 is sleeved on the outer side of the fan 6; the end cover 8 is arranged at one end of the shell 7 away from the positive polyhedral heat dissipation hollow column 4, the end cover 8 is detachably connected with the shell 7 through buckling and clamping groove, the end cover 8 is provided with an air outlet 81, the end cover 8 is provided with a cavity around the air outlet 81, the second LED light source group 82 is arranged in the cavity and adopts a parallel circuit architecture with the first LED light source group 42 and is electrically connected with different control elements respectively, so that the light intensity and color temperature can be adjusted respectively and an emergency can be handled; the lamp holder 2 is provided with a fault indicator, the indicator is electrically connected with the control element, when the lamp fails, the indicator can flicker to prompt the user to maintain in time; the fan 6 is provided with a switch circuit board 61 and a switch 62, the switch 62 is arranged on the switch circuit board 61, the switch 62 is electrically connected with the switch circuit board 61 and the control element. The shell 7 is provided with a switch seat 71 and a switch cover 72, the switch seat 71 and the switch cover 72 cooperate to form a cavity, the switch seat 71 is provided with a through hole 711, the switch 62 passes through the through hole 711 and is arranged in the cavity and is clamped with the switch seat 71.

[0031] In summary, the high-voltage LED lighting lamp provided by the embodiment has the following advantages:

[0032] First, the structure is compact and easy to maintain, the insulating shield 3 is arranged in the cavity of the positive polyhedral heat dissipation hollow column 4, the bridge plate 5 is located at one end of the heat dissipation hollow column, the fan 6 is arranged on the other side of the bridge plate 5, the shell 7 is sleeved on the fan 6, the end cover 8 is arranged at one end of the shell 7, etc., so that the whole lamp structure is compact and the space utilization rate is high; the positive polyhedral heat dissipation hollow column 4 and the lamp holder 2, the bridge plate 5 and the positive polyhedral heat dissipation hollow column 4, the fan 6 and the bridge plate 5, the end cover 8 and the shell 7 are detachably connected at many places, which is convenient for installation, maintenance and component replacement of the lamp, reduces the maintenance cost and difficulty, and prolongs the service life of the lamp;

[0033] Second, good heat dissipation, using a plurality of heat dissipation fins 41 composed of regular polyhedral structure to increase the heat dissipation area. Heat dissipation fins 41 using high thermal conductivity materials such as copper, aluminum, etc., can quickly conduct the heat generated by the LED light source to dissipate, effectively reduce the temperature of the LED chip, thereby improving the light efficiency and life of the light source; adjacent heat dissipation fins 41 between an integral forming T-shaped partition ridge plate 43, not only to expand the heat dissipation area, but also to prevent the lens 44 from falling off; in addition, the insulating shield 3 is provided with a ventilation and heat dissipation mesh, the setting of the fan 6 further enhances the air flow, forming a good ventilation and heat dissipation channel, accelerating the heat dissipation, ensuring that the lamp can maintain good heat dissipation effect when working at high power, improving the overall reliability and stability of the lamp;

[0034] Third, high safety, the insulating shield 3 is made of PVC material, avoiding the direct contact between the circuit board 31 and the heat dissipation fins 41, preventing the circuit board 31 from being affected by external electromagnetic radiation, while optimizing the electric field path, reducing the potential difference gradient between the heat dissipation fins 41 and the circuit board 31, avoiding partial discharge, and improving the electrical safety; the outer surface of the heat dissipation fins 41 is coated with a silicone coating to enhance the anti-corona and creepage ability, and the inner surface is coated with an insulating paint to improve the voltage resistance performance, which effectively protects the electrical components and improves the operation stability of the lamp in harsh environments;

[0035] Fourth, multi-dimensional uniform light can be achieved, by setting the LED light source on the surface of the regular polyhedral heat dissipation hollow column 4 and the end cover 8, breaking through the traditional single-sided light distribution limitation, forming a three-dimensional lighting effect, and significantly improving the spatial illuminance uniformity.

[0036] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made in the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A high voltage LED lighting lamp, characterized in that, The utility model provides a kind of LED light source, including spiral lamp holder, lamp holder, insulating shield cover, regular polyhedral heat dissipation hollow column, bridging plate, fan, shell and end cover;The spiral lamp holder is sleeved in the one end of the lamp holder and is screwed with the lamp holder;The regular polyhedral heat dissipation hollow column is arranged at the end of the lamp holder away from the spiral lamp holder, and the regular polyhedral heat dissipation hollow column is detachably connected with the lamp holder, and the regular polyhedral heat dissipation hollow column is composed of multiple fins, and an integrally formed T-shaped separation ridge plate is arranged between adjacent fins, and each fin is provided with a group of first LED light sources on its outer surface, and a corresponding lens is arranged above each group of first LED light sources, and the lens is detachably connected with the fin, and the T-shaped separation ridge plate is embedded between adjacent lenses;The insulating shield cover is arranged in the cavity of the regular polyhedral heat dissipation hollow column, and the insulating shield cover is provided with a mesh, and a circuit board is arranged in the insulating shield cover, and the circuit board is electrically connected with the first LED light sources;The bridging plate is arranged at the end of the regular polyhedral heat dissipation hollow column away from the lamp holder and is detachably connected with the regular polyhedral heat dissipation hollow column;The fan is arranged on the side of the bridging plate away from the regular polyhedral heat dissipation hollow column and is detachably connected with the bridging plate;The shell is sleeved outside the fan;The end cover is arranged at the end of the shell away from the regular polyhedral heat dissipation hollow column, and the end cover is detachably connected with the shell, and the end cover is provided with an air outlet, and a cavity is arranged around the air outlet of the end cover, and a second LED light source is arranged in the cavity and is connected in parallel with the first LED light source.

2. The high intensity LED lighting lamp of claim 1, wherein, The insulating shield cover is made of PVC.

3. The high intensity LED lighting lamp of claim 1, wherein, The diameter of the mesh on the insulating shield cover is 0.1-2mm.

4. The high intensity LED lighting lamp of claim 1, wherein, The fin is made of any of copper, aluminum, copper-aluminum alloy or ceramic.

5. The high intensity LED lighting lamp of claim 1, wherein, The outer surface of the fin is coated with a silicone coating, and the inner surface is coated with insulating paint.

6. The high voltage LED lighting lamp of claim 5, wherein, The thickness of the silicone coating is 0.1-0.3mm, and the thickness of the insulating paint is 0.08-0.2mm.

7. The high intensity LED lighting lamp of claim 1, wherein, The circuit board is provided with a control element, a driving element, a constant-current power supply and a temperature sensor, and the control element, the driving element and the temperature sensor are electrically connected with the constant-current power supply.

8. The high voltage LED lighting lamp of claim 7, wherein, The lamp holder is provided with a fault indicator, and the indicator is electrically connected with the control element.

9. The high intensity LED lighting lamp of claim 7, wherein, One side of the fan is provided with a switch circuit board and a switch, and the switch is arranged on the switch circuit board and is electrically connected with the switch circuit board, the control element.

10. The high intensity LED lighting lamp of claim 9, wherein, The shell is provided with a switch seat and a switch cover, and the switch seat and the switch cover cooperate to form a cavity, the switch seat is provided with a through hole, and the switch passes through the through hole and is arranged in the cavity and is clamped with the switch seat.

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