CN201753859U - High-power LED energy-saving lighting fixtures - Google Patents

Abstract

The utility model discloses a high-power LED energy-saving lighting fixture. On the power supply, the heat sink, LED substrate, light-transmitting mirror and front cover are connected in sequence with screws. Mounting parts are placed on both sides below the flange of the front cover. The power supply forms a convection layer with the connected heat sink through the convex parts on its box cover. The heat sink has an inner cavity at the center, and ventilation grooves are arranged around it. A cavity cover is placed at the cavity opening of the inner cavity, and a base is arranged at the opposite end of the cavity opening. The LED substrate is connected to the base, and the light-transmitting mirror is placed above the LED substrate and plugged into the base with its convex key. The front cover is above the light-transmitting mirror and sleeved on the base of the heat sink. The utility model can effectively ensure that the LED part of the lamp works better in a low temperature state, and ensure the normal service life of the lamp.

Description

High-power LED energy-saving lighting fixtures

technical field

The utility model relates to the field of lighting equipment, in particular to a high-power, energy-saving LED lighting fixture that can work in a low temperature state.

Background technique

At present, due to the environmental protection and energy saving of LED lamps, they are widely used by the public. Most of the known LEDs have the characteristics of high power, but with the increase of their power, the heat emitted will also increase correspondingly, and the LED substrates are mostly aluminum substrates. Absorbed by the substrate, the temperature of the substrate rises, which reduces the performance of the LED part and greatly shortens the working life of the lamp.

Although technicians can improve the heat conduction and heat dissipation efficiency of the LED substrate and the radiator by applying heat dissipation agents such as silicon grease on the junction of the LED substrate and the radiator or use a high thermal conductivity coating to prolong the service life of the lamp; however, the thickness of the coating Limited, only part of the heat can be exported, so the scope of applicable lamps is limited; due to the development of society, the requirements for lamps are getting higher and higher. Big discount, can not guarantee the normal service life of high-power lamps and lanterns.

Contents of the invention

In order to solve the above problems, the utility model provides a high-efficiency heat conduction and heat dissipation, which can ensure that the lamp works in a low temperature state, and is suitable for high-power LED energy-saving lighting lamps.

In order to achieve the above purpose, the technical solution adopted by the utility model is: on the power supply, the radiator, the LED substrate, the light-transmitting mirror and the front cover are sequentially connected, and mounting parts are placed on both sides under the flange of the front cover, wherein the power supply passes through There is a convective layer formed between the convex piece on the box cover and the connected radiator. There is an inner cavity in the center of the radiator, and a ventilation groove is arranged around it. There is a base, the LED substrate is connected to the base, the light-transmitting mirror is placed above the LED substrate and inserted into the base with its convex key, the front cover is above the light-transmitting mirror, and is sleeved on the radiator on the abutment.

The heat dissipation plate outside the inner cavity of the radiator is radial, and the inner cavity is filled with non-metal with high thermal conductivity, and the cavity cover is sealed and locked by a connecting piece at the cavity opening.

The pedestal of the heat sink is a heat collecting plate, and the pedestal is tightly connected to the LED substrate with screws through more than one positioning hole on the upper side of the pedestal.

There is an injection groove inside the front cover, and high thermal conductivity non-metal is injected into the injection groove.

The non-metal with high thermal conductivity is a non-toxic, environmentally friendly material, and its thermal conductivity is at least 10 times that of aluminum.

The power supply is a regulated constant current drive power supply, and the capacitor in the power supply is a solid capacitor.

There is an elastic connection fixing piece on the mounting piece.

The beneficial effects of the utility model are: the design of the inner cavity of the radiator and the injection groove of the front cover, combined with the injection of high thermal conductivity non-metallic, non-toxic, and environmentally friendly materials, makes the heat emitted by the lamp work better absorbed by the injection material , release heat through the radiator, effectively ensure that the LED part of the lamp works better at low temperature, and ensure the normal service life of the lamp; adopt a high-efficiency regulated constant current drive power supply, so that the service life of the power supply is the same as that of the LED lamp The service life is matched, and a solid capacitor is used to extend the service life of the drive power supply.

Description of drawings

Fig. 1 is a three-dimensional view of the appearance structure of the utility model.

Fig. 2 is a full sectional view of the utility model.

Fig. 3 is the assembly diagram of each component of the utility model.

Fig. 4 is a schematic diagram of the appearance structure of the radiator of the present invention.

Fig. 5 is a schematic diagram of the appearance structure of the front cover of the present invention.

Detailed ways

Please refer to Fig. 1-5, the utility model relates to a high-power LED energy-saving lighting fixture. (5) Sequential connection, there are installation parts (6) on both sides under the flange of the front cover (5), wherein, the power supply (1) has a convex part (12) on its box cover (11) and the connected A convective layer (7) is formed between the heat dissipation blocks (2), so that the air can better pass between the two, and the heat on the heat dissipation block (2) is taken away. There is an inner cavity (21) in the center of the heat dissipation block (2). Ventilation grooves (22) are arranged around, and the ventilation grooves (22) are annular, and the air passes through the ventilation grooves (22) to form annular convection, which enhances the heat dissipation effect of the heat dissipation block, and a cavity cover is placed at the mouth of the inner cavity (21) (23), there is an abutment (24) at the opposite end of the mouth of the cavity, and the cooling plate (25) outside the inner cavity (21) of its cooling block (2) is radial. metal, its cavity cover (23) is sealed and locked with connectors at the cavity mouth, and the abutment (24) of the heat dissipation block (2) is a heat collecting plate, and the abutment (24) has more than one positioning hole ( 26), closely fit and connected with the LED substrate (3), the LED substrate (3) is connected on the pedestal (24), and its light-transmitting mirror (4) is placed on the top of the LED substrate (3) with its convex key (41 ) is inserted on the base (24), and its front cover (5) is above the light-transmitting mirror (4), and is sleeved on the base (24) of the heat dissipation block (2). The inside of the front cover (5) has Filling groove (51), in injection groove (51), be annotated with non-metal with high thermal conductivity.

In the high-power LED energy-saving lighting fixture disclosed by the utility model, its high thermal conductivity nonmetal is a non-toxic, environmentally friendly material, and its thermal conductivity is at least 10 times that of aluminum. , the heat generated when the lamp works is gathered on itself and the chamber cover (23), and the heat is taken away by the flow of air through the heat dissipation plate (25) and the ventilation groove (22) of the heat dissipation block (2).

The power supply (1) of the high-power LED energy-saving lighting fixture disclosed by the utility model is a constant-voltage constant-current drive power supply, and the capacitor in the power supply (1) is a solid-state capacitor.

The high-power LED energy-saving lighting fixture disclosed by the utility model has an elastic connection fixing part (61) on the mounting part (6).

The beneficial effect of the utility model is that: the design of the inner chamber (21) of the cooling block (2) and the injection groove (51) of the front cover (5), combined with the injection of high thermal conductivity non-metal, makes the heat emitted by the lamp work more efficient. The heat is absorbed by the injection material, and the heat is released through the cooling block (2), which effectively ensures that the LED part of the lamp works better at low temperature and ensures the normal service life of the lamp; using a high-efficiency regulated voltage and constant current drive power supply, The service life of the power supply (1) matches the service life of the LED lamp, and a solid capacitor is used to prolong the service life of the driving power supply.

The above embodiment is only a description of the preferred implementation of the utility model, and is not intended to limit the scope of the utility model. On the premise of not departing from the design spirit of the utility model, ordinary engineers and technicians in the field made the technical solution of the utility model Various modifications and improvements should fall within the protection scope determined by the claims of the present utility model.

Claims (7)

1. great power LED energy-saving lighting lamp, on power supply, radiator, the LED substrate, transmissive mirror and protecgulum are linked in sequence with screw, be equipped with installed part in both sides, protecgulum flange below, wherein, power supply by have on its lid male member be connected radiator between form the troposphere, it is characterized in that: there is inner chamber at described radiator center, be provided with ventilation slot around it, be equipped with the chamber lid, base station is arranged in the relative end of accent in the inner chamber accent, described LED substrate is connected on the base station, described transmissive mirror is plugged on the base station with its protruding key in LED substrate top, and described protecgulum is connected to turnbuckle on the base station of radiator above transmissive mirror.

2. great power LED energy-saving lighting lamp according to claim 1 is characterized in that: the heat sink of the inner chamber outside of described radiator is radial, and it is nonmetal to be marked with high heat conduction in this inner chamber, and its chamber is placed on accent with connector sealing locking.

3. great power LED energy-saving lighting lamp according to claim 2 is characterized in that: the base station of described radiator is the thermal-arrest plate, and this base station is with the more than one positioning hole of its top, fits tightly with the LED substrate to be connected.

4. great power LED energy-saving lighting lamp according to claim 1 is characterized in that: there is the material feeding groove described protecgulum inside, and it is nonmetal to be marked with high heat conduction in the material feeding groove.

5. according to claim 2 or 4 described great power LED energy-saving lighting lamps, it is characterized in that: described high heat conduction is nonmetal for nontoxic, and environment-friendly materials, its thermal conductivity factor are 10 times of thermal conductivity factor of aluminium at least.

6. according to claim 1,3 or 4 described great power LED energy-saving lighting lamps, it is characterized in that: described power supply is the pressure-stabilizing constant flow driving power, and the electric capacity in its power supply is solid capacitor.

7. great power LED energy-saving lighting lamp according to claim 1 is characterized in that: the flexible part that is connected and fixed on the described installed part.

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