LED driving power supply with power calibration module

Abstract

The utility model discloses an LED driving power supply with a power calibration module, which comprises a driving power supply body, and the driving power supply body comprises a controller, a plurality of voltage calibrators and a plurality of LED driving circuits. The voltage calibrator calibrates the current input into the LED drive circuit, and the voltage calibrator calibrates the phase difference generated by asynchronous current and voltage of the circuit when an inductive or capacitive load exists in the LED drive circuit, so that the active power is ensured to be useful power, the input current is prevented from becoming large, the loss of a power grid is reduced, and the service life of the LED drive circuit is prolonged. And the electric energy loss of the LED driving power supply is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of LED driving power supplies, in particular to an LED driving power supply with a power calibration module. Background Art

[0002] In addition to the conventional protection function for LED lamps, LED driver power supplies can also provide feedback on the temperature of LED lamps, which can effectively prevent the temperature of LED lamps from being too high, thereby ensuring the safety of lighting and the service life of LED lamps. Many LED lamps are installed outdoors, and some environments are more complex, so the power supply needs to be waterproof, moisture-proof, and high-temperature resistant. However, LED driver power supplies can fully meet these requirements. LED driver power supplies comply with national safety regulations and standards, and can be used in many lighting occasions, which is very convenient.

[0003] However, the traditional LED driver has the following disadvantages:

[0004] Traditional LED driver power supplies are easily affected by the external environment, resulting in power instability. The input current of the LED driver power supply becomes larger, increasing grid losses. Secondly, the current is a distorted wave, not a sine wave, which increases the power loss of the LED driver power supply. Utility Model Content

[0005] The purpose of the utility model is to provide an LED driving power supply with a power calibration module to solve the problems mentioned in the above background technology that the traditional LED driving power supply is easily affected by the external environment, resulting in power instability, the input LED driving power supply current becomes larger, and the grid loss is increased; secondly, the current is a deformed wave, not a sine wave, which increases the power loss of the LED driving power supply.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LED driving power supply with a power calibration module, comprising a driving power supply body, the driving power supply body comprising a controller, a plurality of voltage calibrators and a plurality of LED driving circuits, one end of the plurality of LED driving circuits being respectively connected to one end of the plurality of voltage calibrators, the other ends of the plurality of voltage calibrators being respectively connected to an end directly opposite to the controller, the plurality of voltage calibrators each comprising LM37, V1, Vo, Ci, Co, CADJ, D2, R1, R6 and D1, one end of the LM37 being connected to one end of V1, the other end of the LM37 being connected to one end of Vo, the connection between the LM37 and V1 being respectively connected to one end of D1 and one end of Ci, and the connection between the LM37 and Vo being respectively connected to one end of R1, one end of D2 and one end of Co.

[0007] Preferably, the other end of D1 is connected to the end directly opposite to LM37, the other end of R1 is connected to one end of R6 and the other end of D2, the connection between D2 and R1 is connected to one end of CADJ, and the other end of CADJ is respectively connected to the other end of Co, one end of R6 and the other end of Ci.

[0008] Preferably, several of the LED driving circuits include FU1, C1, L1, VD1, VD2, VD3, VD4, VD5, L2, C3, U2B, U2A, C4, VR1, R2, R3, R4, R5, C2 and C3, the first contact pin of L1 and one end of C1 are connected to one end of FU1, the second contact pin of L1 is connected to the other end of C1, the third contact pin of L1 is respectively connected to one end of VD2 and one end of VD4, the fourth contact pin of L1 is respectively connected to VD1 One end of VD2 is connected to one end of VD3, the other end of VD2 and the other end of VD4 are connected to one end of C2 and one end of VD5 respectively, the connection between VD5 and C2 is connected to one end of C4, one end of VR1, one end of C3 and one end of R5 respectively, the end of VD5 away from C4 is connected to one end of L2 and one end of U2B, the other end of U2B is connected to one end of C3, the other end of C3 is connected to the end directly opposite to C2, and the other end of L2 is connected to the end directly opposite to C4.

[0009] Preferably, one end of VR1 is connected to one end of VR2, the other end of VR2 is connected to one end of R2, the other end of R2 is connected to one end of U2A, the other end of C3 is connected to one end of R3, the other end of R3 is connected to the other end of R5, the other end of U2A is connected to one end of R4, and the other end of R4 is connected to the connection between R3 and R5.

[0010] Preferably, the resistance value of the R2 resistor is 470Ω, the resistance value of the R5 resistor is 1MΩ, the resistance value of the R3 resistor is 100Ω, and the resistance value of the R4 resistor is 7.5Ω.

[0011] Preferably, the capacitance of C1 is 100nF, the capacitance of C2 is 22uF, the capacitance of C3 is 100nF, the capacitance of C4 is 47uF, and the capacitance of C5 is 33nF.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: a voltage calibrator is connected in series on one side of the LED driving circuit, the voltage calibrator calibrates the current input to the LED driving circuit, and the voltage calibrator calibrates the phase difference caused by the current and voltage being out of sync in the circuit when there is an inductive or capacitive load in the LED driving circuit, thereby ensuring that active power is useful power, avoiding an increase in input current, reducing grid losses, and reducing power loss in the LED driving power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the driving power supply body of the utility model;

[0014] Figure 2 This is a circuit diagram of the voltage calibrator of the utility model;

[0015] Figure 3 The utility model is a circuit diagram of the LED driving circuit.

[0016] In the figure: 1. driving power supply body; 2. controller; 3. voltage calibrator; 4. LED driving circuit. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-3 The utility model provides an LED driving power supply with a power calibration module, including a driving power supply body 1, the driving power supply body 1 includes a controller 2, a plurality of voltage calibrators 3 and a plurality of LED driving circuits 4, one end of the plurality of LED driving circuits 4 is respectively connected to one end of the plurality of voltage calibrators 3, the other ends of the plurality of voltage calibrators 3 are all connected to the end directly opposite to the controller 2, the plurality of voltage calibrators 3 include LM37, V1, Vo, Ci, Co, CADJ, D2, R1, R6 and D1, one end of LM37 is connected to one end of V1, the other end of LM37 is connected to one end of Vo, the connection between LM37 and V1 is respectively connected to one end of D1 and one end of Ci, and the connection between LM37 and Vo is respectively connected to one end of R1, one end of D2 and one end of Co.

[0019] The other end of D1 is connected to the end opposite to LM37, the other end of R1 is connected to one end of R6 and the other end of D2, the connection between D2 and R1 is connected to one end of CADJ, and the other end of CADJ is connected to the other end of Co, one end of R6 and the other end of Ci respectively.

[0020] The plurality of LED driving circuits 4 each include FU1, C1, L1, VD1, VD2, VD3, VD4, VD5, L2, C3, U2B, U2A, C4, VR1, R2, R3, R4, R5, C2 and C3, the first contact pin of L1 and one end of C1 are both connected to one end of FU1, the second contact pin of L1 is connected to the other end of C1, the third contact pin of L1 is respectively connected to one end of VD2 and one end of VD4, the fourth contact pin of L1 is respectively connected to VD1 One end of is connected to one end of VD3, the other end of VD2 and the other end of VD4 are respectively connected to one end of C2 and one end of VD5, the connection between VD5 and C2 is respectively connected to one end of C4, one end of VR1, one end of C3 and one end of R5, the end of VD5 away from C4 is connected to one end of L2 and one end of U2B, the other end of U2B is connected to one end of C3, the other end of C3 is connected to the end directly opposite to C2, and the other end of L2 is connected to the end directly opposite to C4.

[0021] One end of VR1 is connected to one end of VR2, the other end of VR2 is connected to one end of R2, the other end of R2 is connected to one end of U2A, the other end of C3 is connected to one end of R3, the other end of R3 is connected to the other end of R5, the other end of U2A is connected to one end of R4, and the other end of R4 is connected to the connection between R3 and R5.

[0022] The resistance value of the R2 resistor is 470Ω, the resistance value of the R5 resistor is 1MΩ, the resistance value of the R3 resistor is 100Ω, and the resistance value of the R4 resistor is 7.5Ω.

[0023] The capacitance of C1 is 100nF, the capacitance of C2 is 22uF, the capacitance of C3 is 100nF, the capacitance of C4 is 47uF, and the capacitance of C5 is 33nF.

[0024] When the embodiment of the present application is in use: the LED driving circuit 4 controls the on and off of the LED light source. When the LED light source needs to be used, the LED driving circuit 4 is powered on to make the LED light source light up. The current on the LED driving circuit 4 passes through the voltage calibrator 3 before being powered on. The voltage calibrator 3 calibrates the input current to ensure that the power of the LED power supply is stable and reliable during operation. The controller 2 controls the on and off of the LED driving circuit 4 of the corresponding circuit.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An LED driving power supply with a power calibration module, comprising a driving power supply body (1), characterized in that: The driving power source body (1) comprises a controller (2), a plurality of voltage calibrators (3) and a plurality of LED driving circuits (4); one end of the plurality of LED driving circuits (4) is respectively connected to one end of the plurality of voltage calibrators (3); the other ends of the plurality of voltage calibrators (3) are respectively connected to an end directly opposite to the controller (2); the plurality of voltage calibrators (3) each comprises LM37, V1, Vo, Ci, Co, CADJ, D2, R1, R6 and D1; one end of the LM37 is connected to one end of V1; the other end of the LM37 is connected to one end of Vo; the connection between the LM37 and V1 is respectively connected to one end of D1 and one end of Ci; the connection between the LM37 and Vo is respectively connected to one end of R1, one end of D2 and one end of Co.

2. The LED driving power supply with a power calibration module according to claim 1, characterized in that: The other end of D1 is connected to the end directly opposite to LM37, the other end of R1 is connected to one end of R6 and the other end of D2, the connection between D2 and R1 is connected to one end of CADJ, and the other end of CADJ is respectively connected to the other end of Co, one end of R6 and the other end of Ci.

3. The LED driving power supply with a power calibration module according to claim 1, characterized in that: The plurality of LED drive circuits (4) each include FU1, C1, L1, VD1, VD2, VD3, VD4, VD5, L2, C3, U2B, U2A, C4, VR1, R2, R3, R4, R5, C2 and C5, wherein the first contact pin of L1 and one end of C1 are both connected to one end of FU1, the second contact pin of L1 is connected to the other end of C1, the third contact pin of L1 is respectively connected to one end of VD2 and one end of VD4, and the fourth contact pin of L1 is respectively connected to VD1 One end of VD2 is connected to one end of VD3, the other end of VD2 and the other end of VD4 are connected to one end of C2 and one end of VD5 respectively, the connection between VD5 and C2 is connected to one end of C4, one end of VR1, one end of C5 and one end of R5 respectively, the end of VD5 away from C4 is connected to one end of L2 and one end of U2B, the other end of U2B is connected to one end of C3, the other end of C3 is connected to the end directly opposite to C2, and the other end of L2 is connected to the end directly opposite to C4.

4. The LED driving power supply with a power calibration module according to claim 3, characterized in that: One end of VR1 is connected to one end of VR2, the other end of VR2 is connected to one end of R2, the other end of R2 is connected to one end of U2A, the other end of C3 is connected to one end of R3, the other end of R3 is connected to the other end of R5, the other end of U2A is connected to one end of R4, and the other end of R4 is connected to the connection between R3 and R5.

5. The LED driving power supply with a power calibration module according to claim 3, characterized in that: The resistance value of the R2 resistor is 470Ω, the resistance value of the R5 resistor is 1MΩ, the resistance value of the R3 resistor is 100Ω, and the resistance value of the R4 resistor is 7.5Ω.

6. The LED driving power supply with a power calibration module according to claim 3, characterized in that: The capacitance of C1 is 100nF, the capacitance of C2 is 22uF, the capacitance of C3 is 100nF, the capacitance of C4 is 47uF, and the capacitance of C5 is 33nF.

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