CN202713751U - LED energy saving lamp integrated module - Google Patents

Abstract

The utility model discloses an integrated module of an LED energy-saving lamp that can be directly powered by commercial power, comprising a diode D1, a diode D2, a constant current chip, a load LED, a capacitor C, and an inductance L. The diode D1 and the diode D2 are rectifying diodes , the constant current chip is composed of a plurality of constant current diodes connected in series and in parallel, the capacitor C is an electrolytic capacitor, and the load LED is a light source module composed of a plurality of low-power patch lamps. When the mains power passes through the diode D1 After rectification, it is directly added to the input terminal of the constant current chip to form a constant current output, which drives the load LED to emit light. The current intensity in the drive circuit is determined by the constant current chip. The peripheral circuit is extremely simplistic, and it is a LED driving power supply with simple structure, low cost, and can be directly powered by mains power.

Description

LED energy-saving lamp integrated module

technical field

The utility model relates to an LED lighting power supply application device, in particular to an integrated module of an LED energy-saving lamp with high power consumption efficiency, simple structure, low cost and extraordinary lifespan.

Background technique

At present, there are many kinds of known power adapter products for LED energy-saving lamps, mainly using switching power supplies as power adapters. However, switching power supply technology is complicated, the overall cost is high, and there is EMI electromagnetic pollution. Switching power supply and low-cost LED energy-saving lamp integrated module have not yet been found in the market. Since the switching power supply adapter circuit adopts high-frequency signal modulation and high-current power conversion, there will inevitably be electromagnetic radiation leakage, and the strict control of the cost of the constant current source makes the investment in electromagnetic shielding measures insufficient, causing damage to the surrounding environment to a certain extent. Electromagnetic pollution. In addition, switching power supply adapter circuit components are relatively large, and the measurement and debugging must rely on instruments. The circuit reliability model is relatively complicated, and the energy conversion efficiency is only about 80. That is to say, the existing LED energy-saving The product has the defects of low efficiency, complex structure, high cost, short life and electromagnetic pollution.

Utility model content

The task of the utility model is to provide an LED energy-saving lamp integrated module which is helpful to improve power consumption efficiency, has a simple structure, low cost, extraordinary lifespan and can be directly powered by commercial power.

In order to solve the above technical problems, the technical solution adopted by the utility model is to provide an integrated module of LED energy-saving lamps, including diode D1, diode D2, constant current chip, load LED, capacitor C, inductor L, the diode D1, diode D2 is a rectifier diode, the constant current chip is composed of a plurality of constant current diodes connected in series and in parallel, the capacitor C is an electrolytic capacitor, and the load LED is a light source module composed of a plurality of low-power patch lamps. The utility model is further configured that the anode of the diode D1 is electrically connected to the mains, the cathode is electrically connected to the input terminal of the constant current chip and the anode of the capacitor C, the anode of the diode D2 is electrically connected to the load LED, and the cathode is electrically connected to the inductor L.

The utility model is further set as that the output terminal of the constant current chip is electrically connected with the load LED, and the output current of the constant current chip is set in series or parallel according to the power of the load LED, and after being electrically connected with the diode D1 and the diode D2, the modularization method is adopted encapsulation.

The utility model is further configured that the capacitor C is an electrolytic capacitor, the positive pole is electrically connected to the input terminal of the constant current chip, the negative pole is electrically connected to the negative pole of the load LED, and the positive pole of the diode D2, and the inductance L is electrically connected to the mains.

The utility model is further configured that the load LED is electrically connected in series with multiple low-power patch lamps, the positive pole of the load LED is electrically connected with the output terminal of the constant current chip, and the negative pole of the load LED is electrically connected with the positive pole of the diode D2.

The beneficial effect of the utility model is: when the mains is rectified by the diode D1, it is directly added to the input terminal of the constant current chip to form a constant current output, and the LED to drive the load to emit light. The current intensity in the driving circuit is determined by the constant current chip. The diode D1, the diode D2. The constant current chip adopts a modular package, and the peripheral circuit matched with it is only a capacitor C and an inductor L. The circuit is extremely simplified. It is a LED with simple structure, low cost, high efficiency, no electromagnetic pollution, and can be directly powered by the mains. drive power.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the schematic diagram of the utility model circuit

Figure 2 is a schematic diagram of the utility model circuit package application

In the figure, ①diode D1, ②constant current chip, ③load LED, ④capacitor C, ⑤diode D2, ⑥inductor L;

Detailed ways:

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 and Fig. 2, the LED energy-saving lamp integrated module of the utility model includes diode D1 ①, diode D2 ⑤, constant current chip ②, load LED ③, capacitor C ④, inductor L ⑥, and the diode D1 ① and diode D2 ⑤ are rectifier diodes. The constant current chip ② is composed of multiple constant current diodes connected in series and in parallel, the capacitor C ④ is an electrolytic capacitor, and the load LED ③ is a light source module composed of multiple low-power patch lamps. When the mains power is rectified by diode D1 ① After that, it is directly added to the input terminal of the constant current chip ② to form a constant current output and drive the load LED ③ to emit light. The current intensity in the driving circuit is determined by the constant current chip ②. Diode D1①, diode D2 The matching peripheral circuit is only a capacitor C④ and an inductor L⑥. The circuit is extremely simplified. It is a LED driver power supply with simple structure, low cost, high efficiency, no electromagnetic pollution, and can be directly powered by the mains.

Further setting of the utility model is that the positive pole of the diode D1 ① is connected to the mains, the negative pole of the diode D1 ① is electrically connected with the input terminal of the constant current chip ②, the positive pole of the capacitor C ④ is electrically connected, the positive pole of the diode D2 ⑤ is electrically connected with the negative pole of the load LED ③, and the negative pole of the diode D2 ⑤ is connected with the inductor L⑥ is electrically connected, and diode D1① and diode D2⑤ are rectifier diodes.

The utility model is further set as that the output terminal of the constant current chip ② is electrically connected with the load LED ③, the constant current output drives the load LED ③, and the output current of the constant current chip ② is set in series or in parallel according to the power of the load LED ③, and the diode D1 ①, the diode After D2⑤ is electrically connected, it is packaged in a modular way.

The utility model is further set that the capacitor C ④ is an electrolytic capacitor, the positive pole is electrically connected to the input end of the constant current chip ②, the negative pole is electrically connected to the negative pole of the load LED ③, the positive pole of the diode D2 ⑤, the negative pole of the diode D2 ⑤ is electrically connected to the inductor L ⑥, and the inductor L ⑥ is connected to the positive pole of the diode D2 ⑤. Mains electrical connection.

The utility model is further configured that the load LED ③ is electrically connected in series with multiple low-power patch lamps, the positive pole of the load LED ③ is electrically connected with the output terminal of the constant current chip ②, the negative pole is electrically connected with the positive pole of the diode D2 ⑤, and the capacitor C ④.

In addition, it should be noted that: based on the principle of the technical solution, there can be various circuit combinations. Those of ordinary skill in the art should understand that the technical solution of the present utility model can still be modified and equivalently replaced, and none of these can depart from the present technology. The spirit and scope of the scheme should be included in the protection scope of the claims of the present utility model.

Claims (5)

1. An LED energy-saving lamp integrated module, comprising diode D1, diode D2, constant current chip, load LED, capacitor C, inductor L, is characterized in that: described diode D1, diode D2 are rectifier diodes, and described constant current chip It is composed of a plurality of constant current diodes connected in series and in parallel, the capacitor C is an electrolytic capacitor, and the load LED is a light source module composed of a plurality of low-power patch lamps. 2. The LED energy-saving lamp integrated module according to claim 1, wherein the anode of the diode D1 is connected to the mains, the cathode is electrically connected to the input terminal of the constant current chip and the anode of the capacitor C, and the anode of the diode D2 is connected to the load LED Electrically connected, the negative pole is electrically connected to the inductor L. 3. The LED energy-saving lamp integrated module according to claim 1, wherein the output terminal of the constant current chip is electrically connected to the load LED, and the output current of the constant current chip is set in series or in parallel according to the power of the load LED, and is connected with the diode After D1 and diode D2 are electrically connected, they are packaged in a modular manner. 4. The LED energy-saving lamp integrated module according to claim 1, wherein the capacitor C is an electrolytic capacitor, the positive pole is electrically connected to the input terminal of the constant current chip, the negative pole is electrically connected to the negative pole of the load LED, and the positive pole of the diode D2, and the inductance L is electrically connected with the mains. 5. The LED energy-saving lamp integrated module according to claim 1, wherein the load LED is electrically connected in series with a plurality of low-power patch lamps, the anode of the load LED is electrically connected to the output terminal of the constant current chip, and the load LED The cathode is electrically connected to the anode of the diode D2.

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