CN216905384U

CN216905384U - Low-power consumption LED lamp and LED lamp subassembly

Info

Publication number: CN216905384U
Application number: CN202220099081.5U
Authority: CN
Inventors: 杨武成
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-05
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the field of LED lamps, and discloses a low-power-consumption LED lamp which comprises a circuit board, wherein a power-on circuit is arranged on the circuit board, a light source, a control module and a constant-current module are connected to the power-on circuit, the control module is electrically connected with the anode of the light source, the constant-current module is electrically connected with the cathode of the light source, and the control module is electrically connected with the constant-current module. The circuit layout is optimized, the power factor PF is ensured to be larger than 0.9 by the cooperation between the control chip and the resistor, and the production cost is reduced while the industrial requirements are met; the control module and the constant current module can keep the luminous flux of the LED lamp above 600 lm.

Description

Low-power consumption LED lamp and LED lamp subassembly

Technical Field

The utility model relates to the field of LED lamps, in particular to a low-power-consumption LED lamp.

Background

An LED (light Emitting diode) is a solid semiconductor device capable of converting electrical energy into visible light, and can directly convert electricity into light, and with the development and progress of science and technology, the application of LED lamps is more and more extensive, however, the power factor PF of a traditional LED lamp is generally lower than 0.8, and the power factor PF of an LED lamp required by the industry is not less than 0.9, most manufacturers can only add a plurality of resistors, which increases the production cost, and at the same time, the circuit is more complicated, and the luminous flux of the produced LED lamp can only be 550 + 600 lm.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned shortcomings, and providing a technical solution to solve the above-mentioned problems.

The low-power-consumption LED lamp comprises a circuit board, wherein a power-on circuit is arranged on the circuit board, a light source, a control module and a constant current module are connected onto the power-on circuit, the control module is electrically connected with a positive pole of the light source, the constant current module is electrically connected with a negative pole of the light source, and the control module is electrically connected with the constant current module.

As one improvement of the technical scheme, the light source is formed by connecting a plurality of LED lamps in series, and the voltage reduction is realized by connecting the LED lamps in series.

As an improvement of the above technical solution, the control module includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, an electrolytic capacitor, and a control chip, eight pins are provided on the control chip, the first resistor, the second resistor, and the light source are connected in series, a fifth pin and a sixth pin of the control chip are electrically connected to a line between the first resistor and the second resistor, the fourth resistor and the fifth resistor are connected in series between the first pin and the fourth pin of the control chip, and the second pin of the control chip is electrically connected to a line between the fourth resistor and the fifth resistor.

As one improvement of the above technical solution, a diode is connected between the second resistor and the light source, the light source and the constant current module are on the same line and are connected in parallel with the electrolytic capacitor and the third resistor between the diode and a seventh pin of the control chip, and the seventh pin of the control chip is electrically connected with the eighth pin.

As an improvement of the above technical solution, the constant current module includes: the light source is electrically connected with the light source, the output end of the constant current chip is electrically connected with the seventh pin of the control chip, and the capacitor is connected between the control chips of the constant current chip in series.

As an improvement of the above technical solution, the eighth pin of the control chip is connected to the ground wire, and the constant current chip is provided with a ground terminal, and the ground terminal is electrically connected to the eighth pin of the control chip.

As one improvement of the technical scheme, a thermal relay and a piezoresistor are connected to the electrified circuit.

The utility model provides a low-power consumption LED banks spare, the outside of low-power consumption LED lamp is equipped with the lamp shade, is connected with the base above the lamp shade, the low-power consumption LED lamp is installed on the base, install the wiring port on the base, the low-power consumption LED lamp is connected with the wiring port electricity.

Compared with the prior art, the utility model has the beneficial effects that:

1. the circuit layout is optimized, the power factor PF is guaranteed to be larger than 0.9 by the cooperation between the control chip and the resistor, and the production cost is reduced while the industrial requirements are met.

2. The control module and the constant current module can keep the luminous flux of the LED lamp above 600 lm.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a circuit diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1. the LED lamp comprises a light source, 2, a power line, 3, a control module, 4, a constant current module, 5, a diode, 6, a thermal relay, 7, a piezoresistor, 8, a wiring port, 9, an electrolytic capacitor, 10, a rectifier bridge, 11, an LED lamp, 21, a live wire, 22, a zero line, 31, a control chip, 32, a first resistor, 33, a second resistor, 34, a third resistor, 35, a fourth resistor, 36, a fifth resistor, 41, a constant current chip, 42, a capacitor, 101, a base, 102, a lampshade, 103 and a circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, a low power consumption LED lamp includes a circuit board 103, a power line 2 is disposed on the circuit board 103, the power line 2 is connected to a light source 1, a control module 3 and a constant current module 4, the control module 3 is electrically connected to an anode of the light source 1, the constant current module 4 is electrically connected to a cathode of the light source 1, the control module 3 is electrically connected to the constant current module 4, specifically, the light source 1 is formed by connecting a plurality of LED lamps 11 in series, and the voltage reduction is realized by connecting the LED lamps 11 in series; the control module 3 includes: a first resistor 32, a second resistor 33, a third resistor 34, a fourth resistor 35, a fifth resistor 36, an electrolytic capacitor 9 and a control chip 31 (the control chip 31 has eight pins); the constant current module 4 includes: a constant current chip 41 and a capacitor 42;

the power line 2 consists of a zero line 22 and a live line 21, the live line 21 is connected with the thermal relay 6 and then connected with the piezoresistor 7 (the other end of the piezoresistor 7 is connected with the zero line 22), after which the live wire 21 and the neutral wire 22 are connected to the rectifier bridge 10, the live wire 21 being led out of the rectifier bridge 10 and being connected in turn to the first resistor 32, the second resistor 33 and the diode 5, a branch is divided between the first resistor 32 and the second resistor 33 and is connected with a fifth pin and a sixth pin of the control module 3, the zero line 22 is connected to the first pin of the control chip 31, the light source 1 and the constant current module 4 are on the same line and are connected in parallel with the electrolytic capacitor 9 and the third resistor 34 between the diode 5 and the seventh pin of the control chip 31, the fourth resistor 35 and the fifth resistor 36 are connected in series between the first pin and the fourth pin of the control chip 31, and the second pin of the control chip 31 is electrically connected to a line between the fourth resistor 35 and the fifth resistor 36. The input end of the constant current chip 41 is electrically connected to the light source 1 (the cathode of the LED lamp 11), the output end of the constant current chip 41 is electrically connected to the seventh pin of the control chip 31, the capacitor 42 is connected in series between the control chips 31 of the constant current chip 41, the eighth pin of the control chip 31 is connected to the ground wire, the seventh pin of the control chip 31 is electrically connected to the eighth pin, the constant current chip 41 is provided with a ground terminal, and the ground terminal is electrically connected to the eighth pin of the control chip 31.

The lamp shade 102 is arranged on the outer side of the low-power-consumption LED lamp 11, the base 101 is connected to the upper face of the lamp shade 102, the low-power-consumption LED lamp 11 is installed on the base 101, the wiring port 8 is installed on the base 101, the low-power-consumption LED lamp 11 is electrically connected with the wiring port 8, and the low-power-consumption LED lamp 11 can be electrically connected with an external circuit through the wiring port 8.

The model of the control chip 31 is DU8606 (or AP5103), and the model of the constant current chip 41 is SM2082EG, WS9621AN or NU 501.

The circuit power of the LED lamp using three different combinations is calculated as follows: 6 × 18V +12V +9V, 6 × 18V +9V × 2, 6 × 18V +12V × 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The low-power-consumption LED lamp comprises a circuit board, wherein a power-on circuit is arranged on the circuit board, and the low-power-consumption LED lamp is characterized in that a light source, a control module and a constant current module are connected to the power-on circuit, the control module is electrically connected with a positive pole of the light source, the constant current module is electrically connected with a negative pole of the light source, and the control module is electrically connected with the constant current module.

2. The low-power-consumption LED lamp as claimed in claim 1, wherein: the light source is formed by connecting a plurality of LED lamps in series, and the voltage reduction is realized by connecting the LED lamps in series.

3. The low-power-consumption LED lamp as claimed in claim 1, wherein: the control module comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, an electrolytic capacitor and a control chip, eight pins are arranged on the control chip, the first resistor, the second resistor and the light source are connected in series, the fifth pin and the sixth pin of the control chip are electrically connected to a circuit between the first resistor and the second resistor, the fourth resistor and the fifth resistor are connected in series between the first pin and the fourth pin of the control chip, and the second pin of the control chip is electrically connected to a circuit between the fourth resistor and the fifth resistor.

4. A low power consumption LED lamp as claimed in claim 3, wherein: and a diode is connected between the second resistor and the light source, the light source and the constant current module are on the same line and are connected between the diode and a seventh pin of the control chip in parallel with the electrolytic capacitor and the third resistor, and the seventh pin of the control chip is electrically connected with an eighth pin.

5. A low power consumption LED lamp as claimed in claim 3, wherein: the constant current module comprises: the light source is electrically connected with the light source, the output end of the constant current chip is electrically connected with the seventh pin of the control chip, and the capacitor is connected between the control chips of the constant current chip in series.

6. The low-power-consumption LED lamp according to claim 5, wherein: and the eighth pin of the control chip is grounded, the constant current chip is provided with a grounding end, and the grounding end is electrically connected with the eighth pin of the control chip.

7. The low-power-consumption LED lamp as claimed in claim 1, wherein: and the energizing circuit is connected with a thermal relay and a piezoresistor.

8. The low-power-consumption LED lamp as claimed in claim 1, wherein: and a rectifier bridge is connected to the power-on circuit.

9. A low-power LED lamp component, comprising the low-power LED lamp of claim 1, wherein a lampshade is arranged on the outer side of the low-power LED lamp, a base is connected to the lampshade, the low-power LED lamp is mounted on the base, a wiring port is mounted on the base, and the low-power LED lamp is electrically connected with the wiring port.