CN211083735U

CN211083735U - L ED light source module and high-power L ED lamp

Info

Publication number: CN211083735U
Application number: CN201921281799.0U
Authority: CN
Inventors: 徐广来
Original assignee: Zhongshan Shengjing Optoelectronic Technology Co ltd
Current assignee: Guangdong Shengjing Optoelectronic Technology Co ltd
Priority date: 2018-10-29
Filing date: 2019-08-06
Publication date: 2020-07-24
Anticipated expiration: 2029-08-06
Also published as: CN110296347A; CN211118875U; CN109253419A; CN110296347B

Abstract

The utility model relates to a linear scheme L ED light source module and high-power L ED lamp, wherein, L ED light source module includes the base plate, is provided with a pair of positive negative terminal post on the base plate, and a plurality of groups L ED light source circuit unit lay on the base plate, and each group is connected with the electricity between L ED light source circuit unit, and is connected with positive negative terminal post electricity, and each group L ED light source circuit unit passes through a pair of positive negative terminal post and with a power supply line and the external power source electricity of positive negative terminal post connection are connected, the utility model discloses a high-power L ED lamp obtains bigger power with minimum volume and weight, has improved the light efficiency.

Description

L ED light source module and high-power L ED lamp

Technical Field

The utility model relates to an L ED lighting device especially indicates a L ED light source module and high-power L ED lamp.

Background

The linear L ED circuit scheme in the present industry is to assemble all electronic components on a substrate, if there is electronic component damage, the maintenance is difficult, the whole substrate and electronic components are easily scrapped, and great loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high-power L ED light source module and a L ED lamp are provided, which solves the problems that the existing high-power L ED lamp module is large in size, and a L ED light source module substrate and an electronic component device are easy to damage.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an L ED light source module comprises a substrate, wherein a L ED light source and a pair of positive and negative terminals are arranged on the substrate, the L ED light source module comprises a plurality of groups of L ED light source circuit units which are arranged on the substrate, each group of L ED light source circuit units are electrically connected with each other and are electrically connected with the pair of positive and negative terminals, each group of L ED light source circuit units are electrically connected with a power supply line through the pair of positive and negative terminals, and the power supply line is used for being electrically connected with a power supply.

In some embodiments, the L ED light source module adopts a linear scheme, each group of L ED light source circuit units comprises a L ED light source, a constant current module and a constant current control module, wherein the L ED light source is electrically connected with the constant current module, and the L ED light source, the constant current module and the pair of positive and negative terminal posts are respectively electrically connected with the constant current control module;

l ED light source module protection circuit and power supply circuit separate from the substrate and individually lead out as independent power drive module, the corresponding vacant substrate space is used for integrating more L ED light source;

pass through between the positive and negative terminal of power drive module and base plate the power supply line is connected, and power drive module passes through the cable and inserts external power supply, and power drive module is used as external power source and inserts L ED light source module's leading rectification and/or protection module.

In some embodiments, the L ED light source is a group of L ED lamp beads connected in series and/or in parallel, the constant current control module is realized by a constant current control chip, the constant current module is realized by an MOS (metal oxide semiconductor) tube, the L ED light source circuit unit further comprises a constant power sampling module electrically connected with the constant current module and the constant current control module, and the constant power sampling module is realized by a sampling resistor.

In some embodiments, the power driving module comprises a rectifying module and/or a lightning protection surge module and/or an overload protection module, the rectifying module and/or the lightning protection surge module and/or the overload protection surge module are separated from the L ED light source module and are not arranged on the substrate, an external power supply is connected to the substrate through a power supply line after being rectified and/or lightning protection and/or overload protection of the power driving module, and the power driving module is arranged in an independent protection box to form an independent power driving box and is mutually and independently arranged with the L ED light source module and electrically connected with the independent power driving box.

In some embodiments, a positive contact and a negative contact are arranged on the substrate, and a positive terminal and a negative terminal are respectively arranged from the positive contact and the negative contact; the bottoms of the positive terminal and the negative terminal are electrically and fixedly connected with the positive contact and the negative contact; the positive terminal and the negative terminal are respectively connected with the positive terminal and the negative terminal of the power supply line;

the positive contact and the negative contact are arranged on the surface of the substrate for mounting L ED light source, and the positive wiring terminal and the negative wiring terminal are formed on the substrate by an integral forming method and form an integral structure with the substrate;

the positive terminal, the negative terminal and the plurality of groups of L ED light source circuit units are welded and fixed on the substrate at one time, and the positive terminal, the negative terminal and each group of L ED light source circuit units are synchronously welded on the substrate through an SMT (surface mount technology) patch process to form an integral structure;

the substrate is provided with a through hole; the positive terminal and the negative terminal are arranged close to the edge of the through hole; the positive terminal and the negative terminal are connected to an external power supply through a power supply line to supply power;

the positive terminal and the negative terminal are detachably and fixedly connected and electrically connected with the positive terminal and the negative terminal of the power supply line; after the power supply line penetrates through the through hole of the substrate, the positive terminal and the negative terminal extend out of the surface of the substrate and are respectively connected and fixed with the positive terminal and the negative terminal;

the head part of the annular insulating fixing piece upwards passes through the through hole of the substrate and is fastened at the edge of the through hole, and the bottom part of the annular insulating fixing piece downwards passes through and is fixed in a threading hole correspondingly arranged on the lamp body of the L ED lamp;

the substrate is an insulating heat-conducting substrate; the through hole is formed in the center of the substrate;

the L ED light source of each group of L ED light source circuit units comprises a plurality of L ED lamp beads arranged into a L ED array, wherein the L ED lamp beads are radially distributed by taking the circumference of the through hole and the positive and negative terminal posts as the outer side of the center;

a plurality of L ED light source circuit units are arranged on the surface of the substrate, the intervals between two adjacent L ED light source circuit units are arranged on the surface of the substrate to form linear channels penetrating from the center to the outside, and each linear channel divides each L ED light source circuit unit into fan-shaped areas.

The utility model provides a still provide a high-power L ED lamp, which comprises a lamp body, L ED lamp still includes as above L ED light source module, L ED light source module is installed in the lamp body top, and positive terminal and negative terminal are connected with the positive negative terminal at power supply line top, insert the external power source power supply through the power supply line.

In some embodiments, the lamp body comprises a base and a heat sink assembled on the base, the L ED light source module is arranged on the top of the heat sink, the heat sink is positioned on the back of the substrate and is opposite to the surface on which the L ED light source is arranged, and the other end of the power supply line, which is opposite to a positive terminal and a negative terminal connected with the positive terminal and the negative terminal, downwards passes through a wire passing hole arranged on the heat sink and outwards extends;

l A protection circuit and a power supply circuit of an ED light source module are separated from the substrate and are separately led out to be used as an independent power supply driving module, the power supply driving module is arranged in the independent protection box to form a power supply driving box, the power supply driving box is arranged on a base of the L ED lamp, the bottom end of the power supply line is electrically connected with the power supply driving module of the power supply driving box, the power supply driving module is connected with an external power supply through a cable to supply power, the external power supply is connected to positive and negative binding posts of the substrate through the power supply line after being rectified by the power supply driving module, and the tail end of the.

In some embodiments, the power driving module in the power driving box further comprises a lightning protection surge module and/or an overload protection module, an external power supply is connected to the positive and negative binding posts of the substrate through the power supply line after the lightning protection surge and/or overload protection in the power driving box, the L ED lamp further comprises a fan mounted on the base, the fan is driven by a fan driver, the fan driver is electrically connected with the fan, the fan driver is connected to the external power supply through a cable for supplying power, and the power driving module and the fan driver are connected with the cable through a T-shaped output line structure to be connected to the external power supply for supplying power.

The power supply driving box and/or the fan and/or the cable and/or the T-shaped output line structure are/is detachably arranged on the back surface of the L ED lamp base;

the power supply driving box and/or the fan and/or the cable and/or the T-shaped output line structure are/is clamped and installed on the back of the L ED lamp base through a clamping structure;

the base is provided with a bottom cover, and the cable penetrates through a wire passing hole in the center of the bottom cover and is electrically connected with the electronic component arranged on the back of the base.

In some embodiments, the heat sink includes a thermally conductive base plate and sets of fins arranged on the thermally conductive base plate; the substrate is arranged and supported on the top surface of the heat conduction bottom plate, and a waterproof ring is arranged on the periphery of the substrate to tightly seal and press the substrate on the top surface of the heat conduction bottom plate;

the heat radiating fin group is arranged on the back surface of the heat conducting bottom plate opposite to the top surface; a linear exhaust duct which is communicated from the center to the outside is formed between two adjacent groups of radiating fin groups on the back of the heat conducting base plate in an arrangement manner;

the heat generated by the L ED light source module is conducted by the heat conduction bottom plate and the heat dissipation fins arranged on the heat conduction bottom plate, then the wind power generated by the fan is directly and forcibly discharged from the L ED lamp through the linear exhaust duct to dissipate the heat, and the linear exhaust ducts are arranged in a star shape.

The utility model has the advantages that:

the utility model discloses a high-power L ED lamp, integrated mode includes multiunit L ED lamp pearl on its L ED light source module's the base plate, shifts out the base plate with driving element and sets up alone, saves space, and then can protect base plate and L ED lamp pearl, control circuit and component not fragile, can accomplish simultaneously with minimum volume and weight, obtain more power, raise the power, improve the light efficiency.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of an embodiment L ED of the present invention.

Fig. 2 is a perspective view of an ED lamp body according to an embodiment L of the present invention.

Fig. 3 is an exploded perspective view of an ED lamp body according to an embodiment L of the present invention.

Fig. 4 is an exploded view of an embodiment L ED lamp according to the invention.

Fig. 5(a) is a perspective view of an L ED light source module according to an embodiment of the present invention, and fig. 5(b) is an exploded perspective view of fig. 5 (a).

Fig. 6 is a linear circuit diagram of an embodiment L ED light source circuit unit.

Fig. 7 is an assembly view of an L ED light source module and a heat sink according to an embodiment of the present invention.

Fig. 8 is a perspective view of the embodiment L ED light source module mounted on the heat sink.

Fig. 9 is a perspective view of another perspective view of the embodiment L ED light source module mounted on the heat sink.

Fig. 10 is a bottom view of a base of an embodiment L ED lamp.

Fig. 11 is a schematic structural diagram of the rear surface of a base of an L ED lamp according to an embodiment of the present invention.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-11, an embodiment of the present invention relates to an L ED light fixture 1000, which mainly includes a light body 10, a L ED light source module 100 installed on the top of the light body 10, and a transparent cover 101 covering the L ED light source module 100, a U-shaped handle 102 is further disposed on the side wall of the light body 10, the L ED light source module 100 is installed on the light body 10 to form a main body 90 of the L ED light fixture, the light body 10 includes a heat sink 30, a base 20, and a bottom cover 40, which are sequentially fastened and assembled together, and the L ED light source module 100 is installed on the top surface of the heat sink 30.

The utility model discloses an among L ED lamps and lanterns 1000 and L ED light source module 100, change current base plate structure, can increase lamps and lanterns power to 700W-1200W according to the volume of prior art lamps and lanterns, even more high-power. in the concrete embodiment, L ED light source module 100 includes L ED light source circuit unit 110 that a plurality of groups modularization, connect in parallel or establish ties between each group L ED light source circuit unit 110, every group L ED light source circuit unit 110 includes a set of L ED lamp pearl 2 and the control circuit of controlling this group L ED lamp pearl, L ED lamp pearl 2 is as light emitting module or L light source, the components and parts that control circuit includes be used for constant current control's control IC 113, multiple resistance 114, MOS pipe 115 as constant current module, include the resistance that is used for power control in multiple resistance 114, or be used as constant power sampling module, the light emitting module is connected with the control circuit electricity in L ED light source circuit unit 110, each group L ED light source circuit unit 110 is connected with the electricity, be connected with the power supply line, the positive negative terminal power supply line of direct current 5, connect with the external power supply circuit with obtain the external power supply module in order to obtain the same group of external power supply circuit in 383 and the light source circuit in the light source circuit separation of each group 461 from the rear portion of each group, and form the drive circuit, and the light source circuit, and the drive circuit, the light source module, the rear portion of the light source module, the light source is connected with the.

The power supply circuit and protection circuit modules arranged in the power supply driving box comprise a rectifier, a lightning protection surge module, an overload protection module and the like, wherein the rectifier is used for converting alternating current into direct current, the lightning protection surge module is additionally arranged for protecting the substrate 1 from being damaged, and the overload protection module is used for carrying out power-off protection on the L ED light source module 100 when the current exceeds rated current.

The utility model discloses separate power supply circuit and protection circuit from L ED light source module 100, independently set up power supply circuit and protection circuit's power drive box 27, power drive box 27 is located L ED light source module 100 power input end separately, connect by the power supply line between the two, external power source is when supplying power to L ED light source module 100, earlier carry out rectification and protection back by power supply circuit and protection circuit module in the power drive box 27, carry out safe power supply to L ED light source module 100, avoid base plate 1 and L ED light source circuit unit 110 to damage, can protect L ED light source module's circuit better, and simultaneously, power drive box 27 independently sets up, make things convenient for the later maintenance, rectifier in the power drive box, the lightning protection surge module, the arbitrary damage of overload protection module, can directly take off or open the box body from the lamp holder bottom and maintain the change, need not operation L ED light source module 100, therefore, convenient and fast maintenance, the replacement cost is lower.

More importantly, the power supply circuit and the protection circuit are separated from the L ED light source module 100, so that a larger space is reserved on the substrate 1, more groups of L ED light source circuit units 110 can be accommodated, the power and the lighting effect of the lamp are improved, in the L ED light source module 100, the groups of L ED light source circuit units 110 are modularized and are electrically connected with each other to share one power supply circuit, and a split power supply driving box is used for protecting the circuit in advance, so that the circuit is better protected, and the risk that the L ED module and electronic components thereof or L ED lamp beads are directly burnt off when the lamp is electrified is avoided.

Referring again to fig. 5(a), 5(b), 6-7, in an embodiment of the present invention, L ED light source module 100 includes a substrate 1, a L ED light source 2 is disposed on the substrate 1, an anode contact 11 and a cathode contact 12 are further disposed on an upper surface of the substrate 1, a positive terminal 7 and a negative terminal 8 with a predetermined height are formed by extending upward from the anode contact and the cathode contact 12, respectively, the bottoms of the positive terminal 7 and the cathode terminal 8 correspond to the anode contact 11 and the cathode contact 12, respectively, and are electrically and fixedly connected, L ED light source 2 is a plurality of L ED light source circuit units 631 ED light source circuit units 632, which are represented by the same reference numeral, the plural groups L ED light source circuit units 110 include a group L ED 3 light source circuit unit 2, L ED light source light circuit units L arranged on the surface of the substrate 1, each group L ED light source circuit unit 110 is equally divided into sectors, arranged on the circular substrate 1, in each group L ED light source circuit unit 110, the plural rows are arranged in series or parallel, the groups, the control IC 114, MOS tubes 115, the resistors are arranged on the peripheral terminals L, the lamp patch devices, the lamp patch devices are arranged in a jumper strips 117, the lamp patch is arranged in the shape of the lamp patch, the lamp patch is not limited to be the lamp patch, the lamp patch is the lamp patch.

FIG. 6 is a circuit diagram of a L ED light source circuit unit 110 in a linear L ED module 100, where the L ED light source circuit unit 110 includes a L ED light source, a constant current module, and a constant current control module, the L ED light source is electrically connected to the constant current module, and the L ED light source, the constant current module, and positive and negative terminals 7 and 8 are respectively electrically connected to the constant current control module, the L ED light source circuit unit 110 further includes a constant power sampling module electrically connected to the constant current module, the constant current control module, and the terminals, the power source is input from the positive and negative terminals 7 and 8 on the substrate 1, and is connected to the constant current control module, the positive and negative terminals on the substrate 1 are subjected to lightning protection and rectification by the lightning protection and rectification module before being input from AC to DC, and the constant current module is input into the L ED light source circuit unit 100. specifically, the L ED light source is a set of L ED light beads 2 connected in series and/or in parallel, the constant current control module is realized by a constant.

The positive contact and the negative contact 12 are arranged on the surface, namely the upper surface, of the substrate 1 for mounting L ED light source 2. in the specific embodiment, the positive terminal 7 and the negative terminal 8 are formed on the substrate 1 by an integral molding method and are integrated with the substrate 1.

Preferably, the positive terminal 7, the negative terminal 8 and the L ED light source 2 are fixed on the substrate 1 in a one-time welding mode, more specifically, as shown in FIG. 5(a) and FIG. 5(b), the uppermost element in the figure comprises the positive terminal 7, the negative terminal 8 and each group of L ED light source circuit units 110 which are electrically connected with the positive terminal and the negative terminal, the L ED light source 2 in each group of L ED light source circuit units 110, the component resistor 114 of the control circuit, the IC 113, the MOS tube 115 and the like are synchronously welded on the substrate 1 in a one-time SMT process to form an integrated structure, the SMT welding process is a wave soldering or reflow soldering process, when the L ED lamp bead is attached to the substrate 1 in an SMT process, the positive terminal 7 and the negative terminal 8 are synchronously attached to the positive contact 11 and the negative contact 12 on the substrate 1, the positive contact 11 and the negative contact 12 are a pair of pads arranged on the substrate 1, the positive terminal 7 and the negative terminal 8 are a pair of pads with a certain height, generally, and extend perpendicularly to the upper surface of the substrate 1 and upwards in a specific embodiment, the positive terminal 7 and the negative terminal 8 are copper pillar.

The substrate 1 is provided with an electronic circuit which is electrically connected with the L ED light source 2 and electronic components arranged on the substrate, and is also electrically connected with the positive contact 11 and the negative contact 12 so as to be electrically connected with the positive terminal 7 and the negative terminal 8, thereby voltage is input by an external power supply, the substrate 1 is provided with a through hole 6, the positive terminal 7 and the negative terminal 8 are arranged near the edge of the through hole 6, the positive terminal 7 and the negative terminal 8 are electrically connected with the external power supply through a power supply line 5, as a specific implementation mode, the positive terminal 7 and the negative terminal 8 are detachably and fixedly connected with and electrically connected with the positive terminal 51 at the top end of the power supply line 5, after the top end of the power supply line 5 penetrates through the through hole 6 of the substrate 1, the terminal 51 of the power supply line 5 extends out of the upper surface.

In this embodiment, through-hole 6 sets up in the center of base plate 1, and L ED light source 2 includes that a plurality of L ED lamp pearls arrange into L ED array, and L ED lamp pearl uses through-hole 6 and positive and negative terminal post 7, 8 place circumference as the outside radial distribution that is of center.

In the present embodiment, the positive terminal 7 and the negative terminal 8 are electrically connected to the power supply line 5 in a solderless manner. In the specific embodiment, the positive terminal 7 and the negative terminal 8 are fixedly connected with the positive terminal 51 and the negative terminal 51 of the power supply line 5 by one or more of the methods of threaded connection, clamping connection, insertion connection, tensioning connection and shaft connection, and other detachable fastening structures can also be adopted.

In the specific embodiment of the threaded connection, the positive terminal 7 and the negative terminal 8 are threaded columns, the heads of the threaded columns are respectively provided with a screw 4, the screw 4 is in threaded connection with the positive terminal 7 and the negative terminal 8, and the positive terminal 51 and the negative terminal 51 of the power supply line 5 are respectively pressed against the heads of the positive terminal 7 and the negative terminal 8 to realize the electrical connection. The positive and negative terminals 51 of the power supply line 5 are provided with ring sleeves which are sleeved on the positive terminal 7 and the negative terminal 8. The positive terminal 7 and the negative terminal 8 are hollow conductor columns, namely hollow stud structures, the two screws 4 are screwed into the heads of the positive terminal 7 and the negative terminal 8 of the hollow stud structures respectively to be screwed and fixed, and the ring sleeves are pressed on the heads of the positive terminal 7 and the negative terminal 8.

In the specific embodiment of clamping, the positive and negative terminals 51 of the power supply line 5, the heads of the positive terminal 7 and the negative terminal 8 are respectively and interchangeably provided with a clamping groove/clamping edge, a protrusion/groove or both provided with a buckle, and are mutually clamped and matched to realize electrical connection.

In the embodiment of plugging, the terminal 51 of the power supply line 5, the head parts of the positive terminal 7 and the negative terminal 8 are respectively and interchangeably provided with a male socket/female socket structure to be tightly matched with each other and realize electrical connection.

In the embodiment of the tension connection, the positive and negative terminals 51 of the power supply line 5, the positive terminal 7 and the negative terminal 8 are respectively provided with a tension sleeve at the head, so as to be fastened with each other by friction force and realize electrical connection.

In the embodiment of the shaft connection mode, the positive and negative terminals 51 of the power supply line 5, the positive terminal 7 and the negative terminal 8 are respectively provided with a rotating shaft/shaft hole interchangeably at the head, and the rotating shaft/shaft holes are mutually fastened and matched to realize electric connection.

In the embodiment, the positive and negative terminals 51 at the top end of the power supply line 5 are used to connect and fix the positive and negative terminals 7, 8, the opposite bottom end 55 is the other end which passes through the lamp body 10 downwards and extends outwards, and the bottom end 55 can be provided with a socket/plug after extending so as to be electrically connected with the external power supply.

The annular insulating fixing member 3 is assembled in the through hole 6 of the base plate 1, the annular insulating fixing member 3 connects and fixes the base plate 1 to the lamp body 10 of the L ED lamp, the annular insulating fixing member 3 has a certain length, the head of the annular insulating fixing member passes through the through hole 6 of the base plate 1 upwards and is fastened at the edge of the through hole 6, preferably, the edge of the head of the annular insulating fixing member forms a flange (such as a nut), the flange is clamped at the edge of the through hole 6 on the upper surface of the base plate 1, when assembling, the bottom end of the annular insulating fixing member 3 passes through the through hole 6 of the base plate 1 downwards and then passes through and is fixed in the corresponding threading hole 31 (as shown in FIG. 4) at the top of the lamp body 10, thereby fixing the base plate 1 to the lamp body 10.

In other embodiments, the annular insulating fixing member 3 is tightly fitted with the inner wall of the through hole 6 of the base plate 1 and/or the inner wall of the threading hole of the lamp body 10 (specifically, the heat sink 30 of the lamp body), so that the outer wall of the annular insulating fixing member 3 is fastened with the inner wall of the two holes by friction force, the annular insulating fixing member 3 is preferably a plastic nut with a certain height, the nut passes through the through hole 6, the head of the nut is fastened to the edge of the through hole 6 and is located on the surface (i.e., the upper surface) of the base plate 1 where the L ED light source 2 is installed, and two ends of the nut are respectively connected with the base plate 1 and the lamp body 10 (specifically, the heat sink 30 of the lamp body).

The annular insulating fixture 3 has a hollow structure and serves as a raceway groove for the power supply line 5, and the power supply line 5 is inserted into the annular insulating fixture 3.

The substrate 1 is an insulating heat-conducting substrate 1, so that the substrate has good insulation, electromagnetic radiation resistance and interference resistance, and good heat conductivity, and is favorable for electrical insulation between the substrate 1 and the L ED lamp body 10, the radiation interference of the L ED lamp is reduced, heat generated by the L ED light source 2 and the electronic components can be quickly conducted to the radiator 30, particularly for a high-power L ED lamp, copper or aluminum material is used as the substrate 1 in the prior art, and the copper or aluminum substrate has no insulation or electromagnetic radiation resistance.

The lamp body 10 comprises a base 20, a heat radiator 30 assembled above the base 20 and a bottom cover 40, L ED light source module 100 arranged at the top of the heat radiator 30, the heat radiator 30 is arranged at the back of the substrate 1 and is opposite to the surface (or upper surface) for installing the L ED light source 2, the other end (bottom end) 55 of the power supply line 5, one end opposite to a positive terminal 51 and a negative terminal 51 (as the top end of the power supply line 5) connected with the positive terminal and the negative terminal 7 and 8 downwards passes through a threading hole 31 arranged on the heat radiator 30 and outwards extends in the form of a cable, and the extended tail end is provided with a plug or a socket for being electrically connected with an external power supply.

The heat dissipation fin groups 33 are arranged on the back of the heat conduction bottom plate 32 opposite to the top surface, each group of heat dissipation fin groups 33 comprises a plurality of heat dissipation fins which are arranged in an array, the arrangement of the heat dissipation fins is consistent with that of heating elements in the L ED light source module 100, particularly consistent with that of L ED lamp beads, so as to be beneficial to accurate heat dissipation, in the illustrated example, L ED lamp beads are arranged in a circular area, and correspondingly, the whole heat dissipation fins are also arranged in a circular area.

Preferably, the linear exhaust ducts 34 penetrating from the center to the outside are arranged on the back of the heat conducting bottom plate 32 between two adjacent groups of heat dissipating fin sets 33, and also include a substantially linear exhaust duct structure, the heat dissipating fin sets 33 are symmetrically arranged between the linear exhaust ducts 34 arranged on the back of the heat conducting bottom plate 32, accordingly, each group of L ED light source circuit units 110 are arranged on the surface of the substrate, the interval between two adjacent groups of L ED light source circuit units 110 is arranged on the surface of the substrate to form a linear channel penetrating from the center to the outside, and corresponds to the exhaust ducts 34 between two adjacent groups of heat dissipating fin sets 33 of the heat sink on the back of the substrate, and each linear channel divides each group of L ED light source circuit units into fan-shaped regions.

Preferably, the linear exhaust ducts 34 are arranged in an "x" shape, the groups of cooling fin groups 33 are integrally arranged in a circular region, the cooling fans 24 are positioned right above the center of the circle at a predetermined interval, the linear exhaust ducts 34 penetrate along the radius direction of the circle, so that the groups of cooling fin groups 33 are divided into fan-shaped regions, meanwhile, the cooling fins are integrally arranged layer by layer along the direction of the concentric circle, correspondingly, the groups of L ED light source circuit units 110 are arranged on the upper surface of the substrate, the linear channels between every two adjacent groups of L ED light source circuit units 110 are divided into fan-shaped regions, each fan-shaped region corresponds to one group of L ED light source circuit units 110, and L ED light sources 2 in each group of L ED light source circuit units 110 are integrally arranged layer by layer along the direction of the concentric circle to form series or parallel light sources.

L ED light source module 100, the heat generated by the operation is conducted by the heat conduction base plate 32 and the heat dissipation fins installed on the heat conduction base plate 32, and then the wind power generated by the fan 24 is directly forced out of the L ED lamp from the linear exhaust duct 34 for heat dissipation, the linear exhaust duct 34 has a certain width, and the width is obviously larger than the interval between two adjacent heat dissipation fins in the same group of heat dissipation fin group 33.

In the embodiment shown in the figure, the threading hole 31 is a central through hole provided in the heat conductive bottom plate 32, and the annular insulating fixture 3 (in the embodiment, a hollow plastic nut) is inserted into the threading hole 31 at its bottom end. The power supply wires 5 connected to the positive and negative terminals 7 and 8 form a conductive power supply cable, which is inserted into the hollow plastic nut (annular insulating fixture 3) from the upper surface of the substrate 1 downward to pass through the wire hole 31 in the center of the heat sink 30 and extend downward to the base 20.

The base 20 is buckled on the heat sink 30 and is positioned on one side of the heat dissipation fins, the heat dissipation fan 24 is arranged on the base, the fan 24 is opposite to the arrangement center of the heat dissipation fin group 33 and is arranged at a preset height, in the embodiment, the heat dissipation fan 24 is arranged in a mounting through hole in the center of the base 20, the heat sink 30 is mounted and supported on the top wall 28 of the base 20, the base 20 is matched with the heat sink 30 in shape, the back surface of the top wall 28 of the base 20 is the bottom wall of the base, the bottom wall is provided with a fan driver 26 and a power supply driving box 27 with a lightning protection device component, the mounting through hole of the fan is arranged in the center of the top wall 28 of the base 20, the bottom end 55 of a power supply wire 5(a power supply cable) passes through the wire through hole 53 of the base 20 to be in butt joint with the input combined wire 21 and is connected to the power supply driving box 27 with the lightning protection device component, the lightning protection combined wire 21 is connected to the power supply driving box 27 with the lightning protection device component, the cable 54 is connected to the cable 54 through the lightning protection wire, the lightning protection cable 54, the tail end of the heat dissipation fan 24 is connected to the external power supply circuit module 24 through the power supply driving module 3527, the lighting protection circuit module 20, the lighting protection circuit module is arranged on the LED 21, the LED driving module 20, the LED driving module is arranged on the LED driving module, the LED driving module is arranged on the LED driving module, the.

Referring again to fig. 10-11, the components mounted on the base 20 are engaged with the base by a snap or slot to form a detachable clamping engagement for easy assembly and maintenance. Specifically, the edge of the fan opening at the center of the base 20 is provided with a plurality of fan buckles 240, which are in clamping fit with the edge of the fan 24; a power supply line buckle 200 is fixedly arranged on the horizontal bottom wall of the base 20 and clamps the outer side of the power supply line; a T-shaped wire clip 230 is fixedly arranged on the horizontal bottom wall of the base 20, the T-shaped wire clip 230 comprises a clamping seat of a clamping groove, a plurality of clamping hooks are arranged on the clamping seat, the T-shaped wire 23 is clamped in the clamping groove, and the outer part of the cable is clamped and fixed on the bottom wall of the base 20 by the clamping hooks; the horizontal diapire of base 20 has set firmly drive box buckle 270, and power drive box 27 outside is provided with the buckle, and with drive box buckle 270 between the chucking cooperation and fix the diapire at base 20 with the power drive box chucking. Similarly, the fan driver 26 is snap fit with a snap fit provided on a horizontal bottom wall of the base 20 to secure the bottom wall of the base 20. Each subassembly chucking is installed on base 20, need not to use screw locking, and the installation procedure is simple and convenient, effectively improves production and packaging efficiency. Each buckle structure and each part size cooperation that set firmly on the base make the equipment more convenient and fast, need not to use appurtenance, save man-hour for production efficiency.

The bottom cover 40 is fastened to one side (i.e., a bottom end) of the rear surface of the base 20. For protecting the electrical components within the base 20.

The heat sink 30, the base 20 and the bottom cover 40 are provided with insertion posts/holes for positioning and fixing each other during assembly, and screws/screw holes for further fastening. The lamp housing 101 is fixed to the top of the lamp body 10 (or the top of the heat sink 30) by a flange 105 and screws.

The L ED lamp of the embodiment of the utility model also has a rotatable U-shaped handle 102, two

opposite ends

103, 104 of the handle 102 are rotatably installed on two sides of the outer wall of the lamp body 10, in particular to two sides of the outer wall of the bottom cover 40 through

screws

17, 18, each end of the handle 102 is provided with a central opening 106 and an arc-shaped slot 107 arranged by taking the central opening 106 as the circle center, one of the screws 17 passes through the central opening 106 to rotatably install the end of the handle on one side of the bottom cover 40, the other screw 18 passes through the arc-shaped slot 107 to be fixed on one side of the bottom cover 40 and is in sliding fit with the arc-shaped slot 107, when the handle 102 rotates, the screw 18 is in sliding fit with the arc-shaped slot 107, and the relative sliding angle is consistent with the rotating angle of the handle.

As an embodiment, the utility model discloses an L ED lamp is high-power L ED lamp, L ED module 100 in the lamps and lanterns adopts linear scheme, with protection circuit and supply circuit separation on the base plate 1, integrated the installation is in power drive box 27 alone, it carries out rectification and protection to move box 27 through the power supply before power input base plate 1, draw power supply circuit alone, and increase the drive box, introduce to base plate department with the power cord after converting alternating current into direct current from the lamp body rear portion, be connected with the base plate, and increase the lightning protection surge module, a protection base plate does not receive the damage, independent power drive box 27 is installed in the back of lamps and lanterns base 20, close by bottom 40 lid, only need tear card bottom 40 during the maintenance and alright maintain the change, need not to unpack apart the radiator, lamp shade or L ED module 100, and is easy and simple to handle.

After the protection circuit and the power supply circuit are separated, the substrate part has larger space, a plurality of groups of L ED light source circuit units 110 can be accommodated, under the condition that the size of a lamp is not changed, the power and the light effect of the lamp can be greatly improved, meanwhile, the L ED light source module 100 integrates a plurality of groups of L ED light source circuit units 110 with linear schemes on the substrate 1, each group of circuit units 110 comprises a group of L ED lamp beads 2 and corresponding control element modules, the circuit units are connected into a group of L ED light source circuits, each group of circuit units 110 are electrically connected and connected with the same power supply line 5 and powered by the same power supply, the substrate 1 is arranged on a radiator 30, the smallest lamp size and weight can be achieved, the larger power is obtained, the power is improved, and the light effect.

The utility model discloses form positive terminal and negative terminal, butt joint between positive and negative terminal of power supply line and the positive and negative terminal are extended to the ground prominently on L ED light source module's the base plate, and need not to weld in the anodal contact and the negative terminal contact of base plate, and its structure is very simple, and the equipment is fast, and easy dismouting is convenient to be maintained, and can not cause the pollution to L ED light source, avoids damaging the base plate.

The utility model discloses L ED lamp's radiator is provided with sharp exhaust airway 34, can realize quick heat dissipation, and directional blowing is big, and the increase amount of wind is big the utility model discloses L ED lamp's the interior annular insulating mounting 3 that sets up, its insulating nature is good, and fixed baseplate 1 is more convenient.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The use of the terms "a" or "an" and the like in the description or the claims of the present invention includes one or more than one unless explicitly stated to the contrary. Similarly, reference to "two" or "two" in the specification or claims includes two or more instances, unless explicitly stated to be the case for only two. Sometimes, words such as "plurality", "one or more" or "at least one" may be included in the claims and the description, however, in the absence of such a limitation, it is not meant and should not be construed as meaning, and it cannot be envisaged, that there are a plurality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and are intended to be within the scope of the application; the scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An L ED light source module comprises a substrate, wherein a L ED light source and a pair of positive and negative terminals are arranged on the substrate, and is characterized in that the L ED light source module comprises a plurality of groups of L ED light source circuit units which are arranged on the substrate, wherein the groups of L ED light source circuit units are electrically connected with each other and are electrically connected with the pair of positive and negative terminals, each group of L ED light source circuit units are electrically connected with a power supply line through the pair of positive and negative terminals, and the power supply line is used for being electrically connected with a power supply.

2. The L ED light source module of claim 1, wherein the L ED light source module is linear, each group of L ED light source circuit units includes L ED light source, constant current module and constant current control module, L ED light source is electrically connected with the constant current module, L ED light source, constant current module, the pair of positive and negative terminals are electrically connected with the constant current control module respectively;

3. The L ED light source module of claim 2, wherein the L ED light source is a set of L ED lamp beads connected in series and/or in parallel, the constant current control module is implemented by a constant current control chip, the constant current module is implemented by MOS (metal oxide semiconductor) tubes, the L ED light source circuit unit further comprises a constant power sampling module electrically connected with the constant current module and the constant current control module, and the constant power sampling module is implemented by a sampling resistor.

4. The L ED light source module of claim 2, wherein the power driving module comprises a rectifying module and/or a lightning and surge protection module and/or an overload protection module, the rectifying module and/or the lightning and surge protection module and/or the overload protection module are separated from the L ED light source module and are not disposed on the substrate, an external power supply is connected to the substrate through a power supply line after being rectified and/or lightning and/or overload protection through the power driving module, the power driving module is embedded in an independent protection box to form an independent power driving box, and the independent power driving box and the L ED light source module are disposed independently of each other and are electrically connected with each other.

5. The L ED light source module as claimed in any one of claims 1-4, wherein the substrate has a positive contact and a negative contact, and a positive terminal and a negative terminal are disposed from the positive contact and the negative contact, respectively, the bottoms of the positive terminal and the negative terminal are electrically connected to the positive contact and the negative contact, respectively;

6. A high-power L ED lamp, which comprises a lamp body, and is characterized in that the L ED lamp further comprises a L ED light source module according to any one of claims 1-5, wherein the L ED light source module is mounted on the top of the lamp body, and a positive terminal and a negative terminal are connected with positive and negative terminals on the top of a power supply line, and are connected with an external power supply through the power supply line to supply power.

7. The L ED lamp of claim 6, wherein the lamp body includes a base and a heat sink mounted on the base, the L ED light source module is mounted on top of the heat sink, the heat sink is located on the back of the substrate opposite to the surface on which the L ED light source is mounted, the other end of the power supply line opposite to the positive and negative terminals connected to the positive and negative terminals extends downward through the wire-passing hole on the heat sink and extends outward;

8. The L ED lamp of claim 7, wherein the power driving module in the power driving box further comprises a lightning surge protection module and/or an overload protection module, the power supply line is connected to the positive and negative terminals of the substrate after the external power supply is protected from lightning surge and/or overload in the power driving box, the L ED lamp further comprises a fan mounted on the base, the fan is driven by a fan driver, the fan driver is electrically connected with the fan, the fan driver is connected to the external power supply through a cable, and the power driving module and the fan driver are connected to the cable through a T-shaped output line structure to be connected to the external power supply.

9. The L ED lamp of claim 8, wherein the fan driver is disposed inside the protective case to form a fan drive case, the power drive case and/or the fan and/or the cable and/or the T-shaped output line structure is removably mounted to a rear surface of the L ED lamp base;

10. The L ED lamp of claim 8, wherein the heat sink includes a heat conducting base plate and a plurality of sets of fins disposed on the heat conducting base plate, the base plate is mounted and supported on the top surface of the heat conducting base plate, and a waterproof ring is disposed around the base plate to seal and press the base plate to the top surface of the heat conducting base plate;