CN201696949U - A high-efficiency energy-saving LED lighting device - Google Patents

Abstract

The utility model discloses a high-efficiency energy-saving LED lighting device, which comprises a lamp housing (2), an LED lamp (5) installed in the lamp housing (2), a driving circuit board (4) and a driving power source (3). The lamp housing (2) includes a lamp housing (21) and a light-transmitting cover (22) arranged at the bottom of the lamp housing (21), and the driving circuit board (4) is integrated with a drive power supply (3 ) and the LED lamp (5) are electrically connected to a driving circuit, and a heat conduction layer is placed on the bottom thereof; the driving circuit includes a compensation and correction module, a filter module, an overload protection module and a luminous reflow module. When the utility model is used for a long time, the surface of the lamp does not generate heat, hardly causes power loss during use, the LED lamp has a long service life, and is energy-saving and environment-friendly.

Description

A high-efficiency energy-saving LED lighting device

technical field

The utility model relates to an LED lighting device, in particular to a high-efficiency and energy-saving LED lighting device.

Background technique

When a high-pressure sodium lamp provides lighting at a voltage of 220V, its current consumption is 2.32A, its power is 200W, its power factor is 0.39HP, and its service life is 3000 hours. Under the same working voltage of 220V, the service life of an ordinary ballast fluorescent lamp is 3000 to 5000 hours. It can be seen that the existing lighting devices such as high-pressure sodium lamps have the disadvantages of high energy consumption, short service life of bulbs, and low efficiency, while ballast fluorescent lamps not only have low service life, but also contain harmful mercury, which will pollute the environment. Not conducive to environmental protection.

There is also a new type of light source in the existing lighting device - LED light source, which has high luminous brightness and long service life. However, it uses a regulated switching power supply as a driving constant current circuit, and there is a defect that the surface of the LED lamp is easy to heat, not only It will cause a lot of power loss, which is also conducive to energy saving and environmental protection.

Utility model content

The technical problem to be solved by the utility model is to provide a high-efficiency and energy-saving LED lighting device. The surface of the lamp does not heat up during long-term use, and there is almost no power loss during use. The service life is long, energy saving and environmental protection. In order to solve the above problems, the utility model discloses a high-efficiency energy-saving LED lighting device, which includes a lamp housing, an LED lamp installed in the lamp housing, a driving circuit board, and a driving power supply. a light-transmitting cover at the bottom of the lamp housing;

The driving circuit board is integrated with a driving circuit electrically connected to the driving power supply and the LED lamp, and a heat conduction layer is placed on the bottom thereof; the driving circuit includes a compensation and correction module, a filter module, an overload protection module and a light-emitting return module.

The heat conduction layer is one or a combination of heat conduction glue and light and thin heat dissipation aluminum sheet.

The compensation correction module is a capacitor connected to the drive power supply, the filter module is an RC circuit connected to the drive power supply, and the overload protection module is an automatic circuit connected to the filter module and the LED lamp recovery resistor, the luminescence reflow module is a light-emitting diode connected to the driving power supply and the LED lamp.

The RC circuit includes a resistor and capacitor connected in parallel.

The drive power adopts Pusi PS886 power supply IC, which has 7 pins 1 to 7, of which 3 pins and 6 pins are DC output pins, 1 pin and 2 pins are power input pins, and 4 pins are connected with the light-emitting return module The 5th pin is electrically connected to the filter module through a third diode, the 7th pin is connected to the output terminal of the compensation correction module, and the 6th pin is connected to the cathode of a first diode. The anode of the first diode is connected to the output end of the compensation correction module.

An opening is provided at the bottom of the lamp housing, and the LED lamp is installed above the opening at the bottom of the lamp housing and is electrically connected to the driving circuit board.

One end of the lamp housing is provided with a fixing head, and the fixing head and the lamp housing can be connected in a buckle connection or a rotating connection.

The surface of the lamp shell is provided with a plurality of through holes which help the lamp to dissipate heat.

The light transmission cover is made of transparent material, installed on the bottom of the lamp housing and covers the opening and the LED lamp.

Compared with the prior art, the utility model has the following beneficial technical effects: 1. The heat can be exported to the lamp shell through the heat-conducting glue and the light and thin heat-dissipating aluminum sheet on the bottom of the driving circuit board, and the surface of the lamp can be reduced when the LED lamp is used for a long time. No heat generation; 2. Through reactive power compensation and feedback compensation, LED lights can be double complemented, so that there is almost no power loss when using the LED lighting device of the utility model, and the LED lights have a long service life, energy saving and environmental protection.

Description of drawings

Fig. 1 is a schematic structural view of the high-efficiency energy-saving LED lighting device of the present invention;

Fig. 2 is the principle block diagram of the drive circuit integrated on the drive circuit board of the utility model;

Fig. 3 is a connection diagram of electronic components of the drive circuit integrated on the drive circuit board of the present invention.

Detailed ways

Further details will be given below in conjunction with the embodiments shown in the accompanying drawings.

As shown in FIG. 1 , the high-efficiency energy-saving LED lighting device of the present invention includes a lamp housing 2 , an LED lamp 5 installed in the lamp housing 2 , a driving circuit board 4 and a driving power supply 3 . The lamp housing 2 can be designed as a strip shape or an oblate shape, so as to be suitable for use situations such as street lamps or ceiling lamps. One end of the lamp housing 2 is provided with a fixing head 1 , and the fixing head 1 and the lamp housing 2 can be connected in various ways such as buckle connection or rotation connection.

As shown in FIG. 1 , the lamp housing 2 includes a lamp housing 21 and a light-transmitting cover 22 disposed at the bottom of the lamp housing 21 . The surface of the lamp shell 21 is provided with a plurality of through holes 211 which help the lamp to dissipate heat, and the bottom is provided with an opening 212 . The light-transmitting cover 22 is made of a transparent material, such as an organic anti-ultraviolet and anti-weather rubber cover, etc., and the light-transmitting cover 22 is installed on the bottom of the lamp housing 21 and seals the opening 212. The cover 22 and opening 212 allow light to be transmitted to the ground.

The drive power supply 3 adopts the latest PS886 power supply IC, which is used to provide power to the drive circuit board 4 and can be used for dimming control. The drive circuit board 4 is integrated with a drive circuit electrically connected to the drive power supply and the LED lamp, and the bottom of the drive circuit board 4 is padded with a heat conduction layer. The heat conduction layer can adopt one or both of heat conduction glue and light and thin heat dissipation aluminum sheet, which is used to guide the heat generated by the drive circuit out of the lamp housing 2 from the through hole 211 of the lamp housing 21 . The LED lamp 5 is installed above the opening 212 at the bottom of the lamp housing 21 , is electrically connected to the driving circuit board 4 , and is covered by the light-transmitting cover 22 .

FIG. 2 is a schematic block diagram of the driving circuit integrated on the driving circuit board 4 of the present invention. As shown in Figure 2 and Figure 3, the drive circuit board is integrated with a drive circuit electrically connected to the drive power supply 3 and the LED lamp 5, the drive circuit includes a compensation and correction module, a filter module, an overload protection module and a light-emitting backflow module. The compensation correction module is a capacitor electrically connected to the drive power supply 3, the filter module is an RC circuit electrically connected to the drive power supply 3, and the overload protection module is a capacitor connected to the filter module and a self-recovery resistor electrically connected to the LED lamp 5 , the light-emitting return module is a light-emitting diode electrically connected to the driving power supply 3 and the LED lamp 5 . The RC circuit is a capacitor and resistor connected in parallel.

FIG. 3 is a connection diagram of various electronic components of the driving circuit integrated on the driving circuit board 4 . As shown in FIG. 3 , the LED lamp 5 of the present invention is powered by a driving power supply 3 . The driving power supply 3 has 7 pins 1 to 7, pins 3 and 6 are DC output pins, and pins 1 and 2 are power input pins. Pin 4 of the driving power supply 3 is connected to the light-emitting return module with the second diode D2, and pin 5 is connected to the filter module through a third diode D3, a capacitor C2 and a resistor R5 connected in parallel, Pin 6 is connected to the cathode of a first diode D1, pin 7 is connected to the output terminal of the compensation correction module with capacitor C1, and the anode of the first diode D1 is connected to the output terminal of the compensation correction module. The output terminals are connected.

An example of the specifications and models of each electronic component in Fig. 3 is given below, it should be understood that the utility model can adjust or use other specifications and models of electronic components according to the brightness of the LED lamp. In Figure 3, R1~R5 are resistance elements, R1 specification model is 0.25w/68Ω×(±1%), R2 specification model is 0.25w/10k×(±1%), R3 specification model is 0.5w/10Ω× (±1%), the R4 specification model is a 500Ω protection resistor (self-recovery), and the R5 specification model is 0.25w/2.2k×(±1%). C1～C 3 are capacitive elements, C1 is a non-polar capacitor, C2 and C3 are electrolytic capacitors, the specification and model of C1 is 105-3005uf/400V×(±5%), and the specification and model of C2 is 4.7uf/400V×(±5％) ), C3 specification model is 22-47uf/400V×(±5%). D1～D4 are rectifier diodes, the specifications and models are 1NF4007. In Figure 3, R3 is 1 to 10 parallel resistors with a specification of 0.5w/10Ω×(±1%). The number of R3 can be adjusted according to the power; LED is an LED matrix formed according to the needs of the illumination environment , the matrix includes at least 50 LED lamps 5, which can be used in series or in parallel; the rest of the electronic components in Figure 3 are single components.

The utility model utilizes the compensation correction module and the filter module to adjust the LED lamp, and can perform reactive power compensation and feedback compensation for the energy, so that almost no power loss is caused, the LED lamp has a long service life, and is energy-saving and environment-friendly. Please refer to FIG. 3 for the specific principle of feedback compensation. When the LED lamp 5 is lit, the LED unidirectional current will be fed back to pin 4 of the drive power supply 3 by the second diode D2 (luminous return module). After the pin 5 of the driving power supply 3 detects the unidirectional current, it will send out the LED lamp 5 to make up light through the first diode D1; ) output the current to R1 to drive the LED lamp 5 to emit light again. The reactive power compensation is to output the power from pin 1 to pin 7 of the driving power supply 3 through the capacitor C1 (compensation and correction module), so as to compensate and emit light to the LED lamp 5 . Among them, the resistor R4 (overload protection module) can play a role in protecting the circuit.

To sum up, the utility model can export the heat out of the lamp housing 2 by driving the heat-conducting adhesive on the bottom of the circuit board 4 and the light and thin heat-dissipating aluminum sheet, so that the surface of the lamp does not heat up when the LED lamp 5 is used for a long time; And feedback compensation can realize double complementation to the LED lamp 5, so that there is almost no power loss when using the device, the LED lamp has a long service life, and is energy-saving and environmentally friendly. Through testing, when the high-efficiency energy-saving LED lighting device of the present utility model is powered by 220V, the current is 0.488A (the existing sodium lamp is 2.32A), the power is 64.5W (the existing sodium lamp is 200W), and the power factor is 0.598HP (the existing sodium lamp is 200W). The sodium lamp is 0.39HP), and the illuminance is 15 lumens at a distance of 8 meters from the ground (the existing sodium lamp is 12 lumens).

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. A high-efficiency and energy-saving LED lighting device, comprising a lamp housing (2) and an LED lamp (5) installed in the lamp housing (2), a drive circuit board (4) and a drive power supply (3), the The lamp housing (2) includes a lamp housing (21) and a light-transmitting cover (22) arranged at the bottom of the lamp housing (21), characterized in that: The driving circuit board (4) integrates a driving circuit electrically connected to the driving power supply (3) and the LED lamp (5), and a heat conduction layer is placed on the bottom thereof; the driving circuit includes a compensation correction module, a filter module, an overload Protection module and luminescent reflow module. 2. The high-efficiency and energy-saving LED lighting device according to claim 1, characterized in that: the heat-conducting layer is one or a combination of heat-conducting adhesive and light and thin heat-dissipating aluminum sheet. 3. The high-efficiency and energy-saving LED lighting device according to claim 1 or 2, characterized in that: the compensation and correction module is a capacitor connected to the driving power supply (3), and the filtering module is a capacitor connected to the driving power supply (3). An RC circuit connected to the power supply (3), the overload protection module is a self-recovery resistor connected to the filter module and the LED lamp (5), and the light-emitting return module is a connection to the driving power supply (3) and the LED lamp (5). Light (5) is connected to the light-emitting diode. 4. The high-efficiency and energy-saving LED lighting device according to claim 3, wherein the RC circuit comprises a resistor and a capacitor connected in parallel. 5. The high-efficiency and energy-saving LED lighting device according to claim 3, characterized in that: the driving power supply (3) adopts Pusi PS886 power supply IC, which has 7 pins, of which 3 pins and 6 pins are DC output pins, Pins 1 and 2 are power input pins, pin 4 is electrically connected to the light-emitting return module, pin 5 is electrically connected to the filter module through a third diode, and pin 7 is connected to the output of the compensation correction module The pin 6 is connected to the cathode of a first diode, and the anode of the first diode is connected to the output terminal of the compensation correction module. 6. The high-efficiency and energy-saving LED lighting device according to claim 3, characterized in that: the bottom of the lamp housing (21) is provided with an opening (212), and the LED lamp (5) is installed on the lamp housing (21) above the opening (212) at the bottom, and electrically connected with the driving circuit board (4). 7. The high-efficiency and energy-saving LED lighting device according to claim 6, characterized in that: one end of the lamp housing (2) is provided with a fixing head (1), and the fixing head (1) is connected to the lamp housing ( 2) Adopt snap connection or rotary connection. 8. The high-efficiency and energy-saving LED lighting device according to claim 6, characterized in that: the surface of the lamp shell (21) is provided with a plurality of through holes (211) that help the lamp to dissipate heat. 9. The high-efficiency and energy-saving LED lighting device according to claim 8, characterized in that: the light-transmitting cover (22) is made of transparent material, installed on the bottom of the lamp housing (21) and covers the opening (212) and LED lights (5).

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