CN202065800U - LED (light-emitting diode) street lamp - Google Patents

Abstract

The utility model discloses an LED street lamp, which comprises a power supply module with waterproof performance, the power supply module is connected with a power line; The upper and lower ends of the frame are open; at least one waterproof modular LED lamp group used as a replaceable component, the two ends of the modular LED lamp group are respectively connected to the fixed frame; the modular LED lamp group is connected from the lamp holder The bottom surface of the lamp holder is exposed, and the utility model is equipped with a modular LED lamp group that can adjust its inclination angle, has waterproof performance, and is used as a replaceable component in the fixed frame of the lamp holder. The structure of the LED street lamp is simple, and the installation and maintenance are simple and convenient. , wide lighting range, adjustable lighting angle, fast heat dissipation and long service life.

Description

A kind of LED street light

technical field

The utility model relates to the technical field of street lamps, in particular to an LED street lamp.

Background technique

In the prior art, with the maturity of LED technology, LEDs are widely used in various fields, and LED street lamps are also used in street lamps, and LED street lamps are provided with multiple sets of LED lamp groups. The structure of LED street lamps is complicated, and the installation and maintenance of LED street lamps can only be carried out by technically trained technicians. The installation and maintenance of LED street lamps are very troublesome.

In addition, in the LED street lamps of the prior art, the lighting range of the LED street lamps is small, and each LED lamp group faces the same direction. The lighting range is adjusted, and it is impossible to control the different lighting intensities of LED street lights for different areas, and the lighting range of LED street lights is limited. In the lighting area of LED street lights, the light intensity of the area close to the LED street lights is high, and the light intensity of the area far away from the LED street lights is low. The light distribution of the LED street lights is unreasonable, and the lighting effect of the LED street lights is not ideal.

Furthermore, in the LED street lamps of the prior art, the power module and the LED lamp group are sealed in the lampshade and the light-transmitting lampshade, and the power module is arranged above the radiator. The heat generated by the LED lamp group and the power module cannot be conducted out in time, thereby affecting the luminous efficiency and service life of the LED lamp. Therefore, there is a need for improvement in the prior art LED street lamps.

Utility model content

The purpose of the utility model is to provide an LED street lamp for the deficiencies of the prior art, which has the advantages of simple structure, wide lighting range, adjustable lighting angle, fast heat dissipation and long service life.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

An LED street lamp, comprising a power module with waterproof performance, the power module is connected with a power line;

A lamp holder, the middle and front part of the lamp holder is provided with a fixed frame, the fixed frame has four side panels, the upper end and the lower end of the fixed frame are open;

At least one waterproof modular LED lamp group used as a replaceable component, the two ends of the modular LED lamp group are respectively connected to the fixing frame; the modular LED lamp group is exposed from the bottom surface of the lamp holder.

The modular LED lamp group is provided with at least one LED lamp group and an electrical connection line, and the LED lamp groups in the modular LED lamp group are connected into one; wherein, the LED lamp group includes a light-transmitting sheet, an LED chip and a heat dissipation The LED chip is fixed on the bottom surface of the radiator, the light-transmitting sheet is fixed on the bottom surface of the radiator, the surrounding of the light-transmitting sheet is sealed with the bottom surface of the radiator, the LED chip is stored in the sealed space formed by the light-transmitting sheet and the bottom surface of the radiator, and the electric connecting wire is connected at one end The other end of the LED chip in the modular LED lamp group is connected to the power line; the radiator is provided with a threading hole, and the electric connection line passes through the threading hole of the radiator, and the threading hole is filled with sealant.

Both sides of the modular LED lamp group are respectively provided with a screw hole for fixing the modular LED lamp group to the fixed frame, and the two sides of the fixed frame are respectively provided with holes for locking the modular LED lamp group on the fixed frame. The adjusting screws of the fixed frame, and the adjusting screws on both sides of the fixed frame are respectively screwed to the two ends of the modular LED lamp group.

The modular LED lamp group also includes a connecting piece, two LED lamp groups are arranged in the modular LED lamp group, and the inside of the two LED lamp groups is respectively provided with a connecting piece for connecting the two LED lamp groups into one. The two sides of the connecting piece are respectively connected to the connecting parts of the two LED lamp groups by screws.

The outer end of the power cord is provided with a first electrical plug interface, the outer end of the electrical connection line is provided with a second electrical plug interface, and the first electrical plug interface is plugged into the first electrical plug interface.

The tail of the lamp holder is provided with a mounting part and a power storage cavity separated from the fixing frame, and the power module is fixed in the power storage cavity.

The LED street lamp also includes a shield made of glass fiber reinforced plastic, the shield is fixed on the top of the lamp holder, and a number of cooling holes are opened on the top surface and/or the front surface of the shield.

The light-transmitting sheet is closely attached to the LED chip, and a sealing glue layer is provided between the periphery of the light-transmitting sheet and the bottom surface of the radiator. An LED lamp cavity for accommodating LED lamp beads is provided, and the LED lamp beads are arranged in the LED lamp cavity.

Screws are screwed in around the light-transmitting sheet, and the screws screwed in from the light-transmitting sheet are screwed to the bottom surface of the radiator.

The utility model has beneficial effects due to the adoption of the above technical scheme: the utility model is provided with a modular LED lamp group which can adjust its inclination angle, has waterproof performance, and is used as a replaceable component in the fixed frame of the lamp holder. The structure of the LED street lamp is simple, the installation and maintenance of the LED street lamp are simple and convenient, the lighting range is wide, the lighting angle can be adjusted, and the heat dissipation speed is fast, and the service life is long.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of another perspective of the utility model.

Fig. 3 is a schematic diagram of the structure of the utility model with the shield hidden.

Fig. 4 is a schematic structural diagram of the modular LED lamp group of the present invention.

Fig. 5 is a structural schematic diagram of another viewing angle of the modular LED lamp group of the present invention.

In the figure: 1—power module, 2—lamp holder, 3—fixed frame, 4—modular LED light group, 5—translucent sheet, 6—radiator, 7—adjusting screw, 8—connecting piece, 9—power storage chamber, 10—shield, 11—cooling hole, 12—condensing mirror, 13—screw hole, 14—installation part.

Detailed ways

An embodiment of an LED street lamp of the present utility model is shown in FIGS. 1 to 5 , which includes a waterproof power module 1 connected to a power cord.

A lamp holder 2, the middle front part of the lamp holder 2 is provided with a fixed frame 3, the fixed frame 3 is a rectangle, the fixed frame 3 is a rectangular metal frame, the fixed frame 3 has four side plates, the upper end and the lower end of the fixed frame 3 are open ;

At least one modular LED lamp group 4 used as a replaceable component with waterproof performance, the modular LED lamp group 4 of the utility model forms an independent component, and has good waterproof performance, and can be exposed outdoors Does not affect work.

Two ends of the modular LED lamp group 4 are connected to the fixed frame 3 respectively; the modular LED lamp group 4 is exposed from the bottom surface of the lamp holder 2 . The lamp holder 2 of the utility model does not block the light of the modular LED lamp group 4, so that the LED street lamp has a larger lighting range.

Both sides of the modular LED lamp group 4 are respectively provided with a screw hole 13 for fixing the modular LED lamp group 4 to the fixed frame 3, and the two sides of the fixed frame 3 are respectively provided with screw holes 13 for fixing the modular LED lamp group. 4. Lock the adjusting screws 7 of the fixed frame 3, and the adjusting screws 7 on both sides of the fixed frame 3 are screwed to the two ends of the modular LED lamp group 4 respectively.

For any modular LED lamp group 4 in the LED street lamp, the modular LED lamp group 4 can be rotated with the adjusting screw 7 as the rotation axis, after the modular LED lamp group 4 is rotated to the set position , and then tighten the adjusting screw 7, wherein the adjusting screw 7 can be a hand-tightened screw to facilitate the adjustment of the angle of the modular LED lamp group 4, and the modular LED lamp group 4 will be fixed on the set position after locking the adjusting screw 7. fixed location.

The LED street lamp can adjust each modular LED lamp group 4 in different angles, so that each modular LED lamp group 4 on the LED street lamp faces different directions, and the lighting range of the LED street lamp can be adjusted, and the LED street lamp can be adjusted The lighting intensity of different areas within its lighting range makes different areas within its lighting range have different lighting intensities, the light distribution of LED street lights is more reasonable, and the lighting effect of LED street lights is improved.

For example, in the lighting area of LED street lights, the amount of light irradiated to the area far away from the LED street lights is more than the light intensity of the area close to the LED street lights, the light distribution of the LED street lights is more reasonable, and the lighting effect of the LED street lights is improved.

The modular LED lamp group 4 is provided with at least one LED lamp group and an electrical connecting wire, and the LED lamp groups in the modular LED lamp group 4 are connected into one body.

The LED lamp group comprises a translucent sheet 5, an LED chip and a radiator 6, the LED chip is fixed on the bottom surface of the radiator 6, the translucent sheet 5 is fixed on the bottom surface of the radiator 6, the surroundings of the translucent sheet 5 are sealed with the bottom surface of the radiator 6, and the LED chip It is stored in the sealed space formed by the transparent sheet 5 and the bottom surface of the heat sink 6 .

One end of the electrical connection wire is connected to the LED chip in the modular LED lamp group 4, and the other end is connected to the power line.

The radiator 6 is provided with a threading hole, and the electrical connection wire passes through the threading hole of the radiator 6, and the threading hole is filled with a sealant, which can prevent rainwater, water vapor, dust, etc. from entering the light-transmitting sheet 5 and the radiator through the threading hole. 6 Between the bottom surfaces, avoid rainwater, water vapor, and dust from damaging the LED chips, so that the entire waterproof modular LED lamp set 4 has good waterproof performance.

The modular LED lamp group 4 also includes a connecting piece 8, and the modular LED lamp group 4 is provided with two LED lamp groups, and the inside of the two LED lamp groups is respectively provided with a connecting piece for connecting the two LED lamp groups into a In the integral connecting part, both sides of the connecting piece 8 are respectively connected to the connecting parts of the two LED lamp groups by screws.

The outer end of the power cord is provided with a first electrical plugging interface, the outer end of the electrical connection line is provided with a second electrical plugging interface, and the first electrical plugging interface is plugged into the first electrical plugging interface.

When assembling or installing LED street lamps, as long as the modular LED lamp group 4 of the present utility model is connected and locked to the fixed frame 3 of the LED street lamp through the adjusting screw 7, and then the first part of the power cord of the modular LED lamp group 4 The first electrical plug interface is docked with the second electrical plug interface of the electrical connection line, and the assembly work is completed, and the installation is simple and convenient.

When maintaining or replacing the modular LED lamp group 4, just disassemble the corresponding modular LED lamp group 4 and replace it with a new modular LED lamp group 4. The installation and maintenance of LED street lamps are easy and convenient , Ordinary technicians without training can carry out installation and maintenance.

The tail of the lamp holder 2 is provided with a mounting portion 14 and a power storage cavity 9 separated from the fixing frame 3 , and the power module 1 is fixed in the power storage cavity 9 . The installation part 14 is used for installing the LED street lamp on the light pole.

The modular LED lamp group 4 and the power module 1 are respectively arranged at the head and tail of the lamp holder 2, and the power module 1 is hidden at the tail of the lamp holder 2, so that the power module 1 will not be splashed with water, increasing the safety of the power module 1 and reliability.

Furthermore, the modular LED lamp group 4 and the power supply module 1 are basically arranged side by side at the same height, the power module 1 will not hinder the heat dissipation of the modular LED lamp group 4, and the radiator 6 can rapidly and timely dissipate the modular LED lamp The heat generated by the group 4 is conducted to improve the luminous efficiency and service life of the modular LED lamp group 4 .

At the same time, the power module 1 is separated from the modular LED lamp group 4, and the heat emitted by the radiator 6 is not conducted to the power module 1, and the heat generated by the power module 1 can also be conducted out quickly and timely, thereby improving the efficiency of the power module 1. working stability and service life. The power module 1 and the modular LED lamp group 4 conduct heat vertically respectively, so that the heat dissipation effect is better.

The translucent sheet 5 is closely attached to the LED chip, and a sealing glue layer is arranged between the periphery of the translucent sheet 5 and the bottom surface of the radiator 6, and the periphery of the translucent sheet 5 and the bottom surface of the radiator 6 are sealed by the sealing glue layer.

The light-transmitting sheet 5 and the heat sink 6 are sealed, and the LED chip is sealed through the light-transmitting sheet 5. The structure is simpler, and it can prevent rainwater, water vapor, dust, etc. from contacting the LED chip. The entire waterproof modular LED lamp Group 4 has good waterproof performance, and the bottom surface of the lamp holder 2 does not need to be provided with a light-transmitting cover, so as to prevent the light-transmitting cover from blocking light and improve the illuminance.

Since the LED street lamp does not need to be additionally provided with a light-transmitting protective cover 10 on the bottom surface of the lamp holder 2, the modular LED lamp group 4 is exposed from the bottom surface of the lamp holder 2. When the LED street lamp is working, the heat dissipation at the top of the modular LED lamp group 4 The device 6 absorbs the heat of the LED chips and conducts the heat upwards. The air above the modular LED lamp group 4 absorbs the heat and flows upwards, and flows out of the LED street lamp through the cooling holes 11 of the shield 10, while the module The cold air below the modular LED lamp group 4 is supplemented into the LED street lamp, forming convective air in the vertical direction, accelerating the heat dissipation speed of the LED street lamp, and improving the luminous efficiency of the modular LED lamp group 4 .

In order to prevent leaves, dust, debris, etc. from falling on the modular LED lamp group 4, the LED street lamp can also be provided with a shield 10 made of glass fiber reinforced plastic material, the shield 10 is fixed on the top of the lamp holder 2, and the shield 10 A number of cooling holes 11 are opened on the top surface and/or the front surface of 10 .

The protective cover 10 is made of fiberglass material. The protective cover 10 has good anti-acid and alkali-proof properties, is not afraid of the sun and rain, and is durable. The protective cover 10 is not easy to age and is not easy to be damaged.

The shield 10 provided with cooling holes 11 makes the air in the LED street lamp and the air outside the LED street lamp form convection, and accelerates the cooling speed of the modular LED lamp group 4 .

The light-transmitting sheet 5 is provided with a condenser lens 12 corresponding to the LED lamp beads on the LED chip one by one, and an LED lamp chamber for accommodating the LED lamp beads is provided at the bottom of the condenser mirror 12, and the LED lamp beads are arranged in the LED lamp chamber. The LED lamp cavity is slightly larger than the LED lamp bead, and the LED lamp bead is in a very small space, which greatly reduces the thermal expansion and contraction of the air in the LED lamp cavity, and prevents the air in the LED lamp cavity from affecting the light-transmitting sheet due to thermal expansion and contraction The sealing effect between 5 and the radiator 6, the waterproof modular LED lamp still has a good sealing effect after a long time of use.

Screws are screwed in around the light-transmitting sheet 5 , and the screws screwed in from the light-transmitting sheet 5 are screwed to the bottom surface of the radiator 6 . The light-transmitting sheet 5 is further fixed on the bottom surface of the radiator 6 to enhance the sealing effect.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (9)

1. A LED street lamp, comprising a power module (1) with waterproof performance, the power module (1) is connected with a power cord, it is characterized in that: it also includes a lamp holder (2), the middle front of the lamp holder (2) A fixed frame (3) is arranged on the top, and the fixed frame (3) has four side plates, and the upper end and the lower end of the fixed frame (3) are open; At least one modular LED lamp group (4) used as a replaceable component with waterproof performance, the two ends of the modular LED lamp group (4) are respectively connected to the fixed frame (3); the modular LED lamp group (4) is exposed from the bottom surface of the lamp holder (2). 2. An LED street lamp according to claim 1, characterized in that: said modular LED lamp group (4) is provided with at least one LED lamp group and an electrical connecting wire, and the modular LED lamp group (4 ) in which the LED light group is connected into one; wherein, the LED light group includes a light-transmitting sheet (5), an LED chip and a heat sink (6), the LED chip is fixed on the bottom surface of the heat sink (6), and the light-transmitting sheet (5) is fixed On the bottom surface of the radiator (6), the surroundings of the light-transmitting sheet (5) are sealed with the bottom surface of the radiator (6), the LED chip is stored in the sealed space formed by the light-transmitting sheet (5) and the bottom surface of the radiator (6), and one end of the electrical connection wire Connect the LED chips in the modular LED lamp group (4), and connect the other end to the power cord; the radiator (6) is provided with a threading hole, and the electrical connection wire passes through the threading hole of the radiator (6), and the threading hole filled with sealant. 3. An LED street lamp according to claim 2, characterized in that: two sides of the modular LED lamp group (4) are respectively provided with a The screw holes (13) of the frame (3), the two sides of the fixed frame (3) are respectively provided with adjusting screws (7) for locking the modular LED lamp group (4) to the fixed frame (3), and the fixed frame (3) The adjusting screws (7) on both sides are respectively screwed to the two ends of the modular LED lamp group (4). 4. An LED street lamp according to claim 3, characterized in that: the modular LED lamp group (4) also includes a connecting piece (8), and the modular LED lamp group (4) is provided with Two LED lamp groups, the inside of the two LED lamp groups are respectively provided with connecting parts for connecting the two LED lamp groups into one, and the two sides of the connecting piece (8) are respectively connected to the two LED lamp groups by screws. connecting part. 5. A LED street lamp according to claim 4, characterized in that: the outer end of the power cord is provided with a first electrical plug interface, the outer end of the electrical connecting wire is provided with a second electrical plug interface, the first electrical plug The plug interface is plugged with the first electrical plug interface. 6. An LED street lamp according to any one of claims 1 to 5, characterized in that: the tail of the lamp holder (2) is provided with a mounting part (14) and a mounting part (14) separated from the fixing frame (3). The power storage cavity (9), the power supply module (1) is fixed in the power storage cavity (9). 7. An LED street lamp according to claim 6, characterized in that: said LED street lamp further comprises a shield (10) made of fiberglass material, and the shield (10) is fixed on the top of the lamp holder (2) , A number of cooling holes (11) are opened on the top surface and/or front end surface of the shield (10). 8. The LED street lamp according to claim 7, characterized in that: the light-transmitting sheet (5) is closely attached to the LED chip, between the surroundings of the light-transmitting sheet (5) and the bottom surface of the heat sink (6) A sealing glue layer is provided, and the light-transmitting sheet (5) is provided with a condenser lens (12) corresponding to the LED lamp beads on the LED chip one by one, and the bottom of the condenser mirror (12) is provided with an LED lamp cavity for accommodating the LED lamp beads, and the LED lamp The beads are arranged in the LED lamp cavity. 9. A LED street lamp according to claim 8, characterized in that: screws are screwed around the transparent sheet (5), and the screws screwed in from the transparent sheet (5) are screwed to the radiator (6 ) bottom surface.

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