Driving structure for realizing combination of silicon controlled rectifier dimming and intelligent dimming

Abstract

The utility model discloses a driving structure for realizing combination of silicon controlled rectifier dimming and intelligent dimming. The driving structure comprises a power supply circuit, a booster circuit, a silicon controlled rectifier signal sampling circuit, a processing circuit, an LED constant current circuit and a color temperature adjusting circuit, the booster circuit is connected with the power supply circuit; the silicon controlled signal sampling circuit is connected with a mains supply; the power supply end of the processing circuit is connected with the booster circuit, and the signal input end is connected with the silicon controlled signal sampling circuit; the LED constant current circuit is connected with the processing circuit and the booster circuit; the color temperature adjusting circuit is connected with the boost circuit and the LED constant current circuit. According to the utility model, the structure is reasonable, the silicon controlled rectifier signal sampling circuit is matched with the power supply circuit and the color temperature adjusting circuit, silicon controlled rectifier dimming and intelligent dimming can be combined, and the situation that a power supply is unstable in a low-power state is prevented when the light brightness is adjusted according to the output power of the silicon controlled rectifier; and the use stability and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to LED lamps and lanterns control technical field, concretely relates to a kind of driving structure of realization silicon controlled rectifier dimming and intelligent dimming combination. BACKGROUND

[0002] LED lighting lamps and lanterns are a kind of common lighting and decorative structure, which are widely used in different environments. With the maturity of LED lamps and lanterns technology, various intelligent controlled LED lamps and lanterns develop rapidly, providing conditions for energy saving of lamps and lanterns. The intelligent dimming control of the prior art mainly includes silicon controlled rectifier dimming and intelligent dimming (such as WI-FI, Bluetooth or ZIGBEE, 433, 2.4G wireless protocol control dimming). Although it can meet the general use requirements, it still has certain technical deficiencies in actual application process, such as the power of silicon controlled rectifier dimming cannot match the power of intelligent dimming, which will cause the light flicker due to insufficient power supply of silicon controlled rectifier in low power state, affecting the use stability, and the driving structure cannot be compatible with different power grids, which affects the application range and makes it difficult to meet the use requirements of different situations. SUMMARY

[0003] The utility model aims at providing a kind of driving structure of realization silicon controlled rectifier dimming and intelligent dimming combination with reasonable structure and being beneficial to improve driving stability.

[0004] The technical scheme for realizing the purpose of the utility model is a kind of driving structure of realization silicon controlled rectifier dimming and intelligent dimming combination, comprising a power supply circuit, a boost circuit, a silicon controlled rectifier signal sampling circuit, a processing circuit, an LED constant current circuit and a color temperature adjusting circuit.

[0005] The power supply circuit is used to provide stable power supply.

[0006] The boost circuit is connected with the power supply circuit and is used to boost power supply.

[0007] The silicon controlled rectifier signal sampling circuit is connected with commercial power supply and is used to sample the voltage or current signal of power grid and transmit signal to the processing circuit.

[0008] The power supply end of the processing circuit is connected with the boost circuit, and the signal input end is connected with the silicon controlled rectifier signal sampling circuit, which is used for silicon controlled rectifier signal and digital signal processing.

[0009] The LED constant current circuit is connected with the processing circuit and the boost circuit, which is used to receive the processing signal of the processing circuit and provide constant current power supply for LED lamps and lanterns.

[0010] The color temperature adjusting circuit is connected with the boost circuit and the LED constant current circuit, which is used to realize color temperature adjusting control.

[0011] Further preferably, the AC power supply connected to the silicon-controlled signal sampling circuit is 90-270V.

[0012] Further preferably, the power supply circuit comprises a battery circuit and a rectifier and voltage stabilizer circuit, and the rectifier and voltage stabilizer circuit is connected to the AC power supply.

[0013] Further preferably, the processing circuit comprises a processing chip, an optocoupler and a plurality of resistors.

[0014] The optocoupler is connected to the sixth pin of the processing chip through a series resistor, the second pin of the processing chip is connected to the silicon-controlled signal sampling circuit, and the fourth pin of the processing chip is connected to the LED constant current circuit.

[0015] Further preferably, the model of the processing chip is JYU168.

[0016] Further preferably, the main chip of the LED constant current circuit is 9720S.

[0017] The utility model has the positive effect: 1, the utility model discloses reasonable structure setting, and it can realize the combination of silicon-controlled light modulation and intelligent light modulation through the silicon-controlled signal sampling circuit cooperation power supply circuit and color temperature adjusting circuit, and its power supply circuit includes battery circuit and rectifier and voltage stabilizer circuit, is suitable for preventing the unstable power supply in the low power state when the output power of silicon-controlled is adjusted to light brightness, improves the use stability and reliability.

[0018] 2, it is provided with boost circuit cooperation AC power supply, can satisfy the power grid demand of different regions, is favorable to improve its applicable range.

[0019] 3, processing circuit can effectively handle silicon-controlled signal and digital signal, improves the effectiveness and stable reliability of light modulation control, and the applicability is strong. DRAWINGS

[0020] In order to make the content of the utility model more easily be clearly understood, the utility model is further explained in detail below according to specific embodiments and in conjunction with the drawings, wherein:

[0021] Figure 1 It is the specific circuit schematic diagram of the utility model;

[0022] Figure 2 It is the specific schematic diagram of the silicon-controlled signal sampling circuit and AC power supply in the utility model;

[0023] Figure 3 It is the specific schematic diagram of the color temperature adjusting circuit in the utility model;

[0024] Figure 4 This is a schematic diagram of the power supply circuit in this utility model;

[0025] Figure 5 This is a schematic diagram of the processing circuit and the LED constant current circuit in this utility model.

[0026] Figure labels: Power supply circuit 1, Battery circuit 11, Rectifier and voltage regulator circuit 12, Boost circuit 2, Thyristor signal sampling circuit 3, Processing circuit 4, LED constant current circuit 5, Color temperature adjustment circuit 6, Mains power supply 7. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0028] See Figures 1 to 5 As shown, a driving structure combining SCR dimming and intelligent dimming includes a power supply circuit 1, a boost circuit 2, a SCR signal sampling circuit 3, a processing circuit 4, an LED constant current circuit 5, and a color temperature adjustment circuit 6. In this embodiment, the main chip of the LED constant current circuit is a 9720S. The power supply circuit provides a stable power supply; the boost circuit is connected to the power supply circuit for boosting the power supply voltage; the SCR signal sampling circuit is connected to the mains power supply 7 for sampling the voltage or current signal of the mains and transmitting the signal to the processing circuit; the power supply terminal of the processing circuit is connected to the boost circuit, and the signal input terminal is connected to the SCR signal sampling circuit for processing SCR signals and digital signals; the LED constant current circuit is connected to the processing circuit and the boost circuit for receiving the processed signal from the processing circuit and providing constant current power to the LED lamp; and the color temperature adjustment circuit is connected to the boost circuit and the LED constant current circuit for color temperature adjustment control.

[0029] The power supply circuit includes a battery circuit 11 and a rectifier and voltage regulator circuit 12, which is connected to the mains power supply. It prevents power instability during low-power operation when adjusting the light brightness using the output power of the thyristor, thus improving operational stability and effectiveness.

[0030] In this embodiment, the mains power supply connected to the thyristor signal sampling circuit is AC 90-270V. This improves the applicability of the power grid, meets the power grid needs of different regions, and enhances the stability and reliability of operation.

[0031] Furthermore, the processing circuit includes a processing chip, an optocoupler, and several resistors. During connection, the optocoupler is connected to the sixth pin of the processing chip via a series resistor, the second pin of the processing chip is connected to the thyristor signal sampling circuit, and the fourth pin of the processing chip is connected to the LED constant current circuit. In this embodiment, the processing chip is model JYU168.

[0032] The present invention has the following positive effects: 1. The present invention has a reasonable structure. It combines the thyristor signal sampling circuit with the power supply circuit and the color temperature adjustment circuit to realize the combination of thyristor dimming and intelligent dimming. The power supply circuit includes a battery circuit and a rectifier and voltage regulator circuit, which is adapted to prevent the power supply instability under low power conditions when the output power of the thyristor adjusts the brightness of the light, thereby improving the stability and reliability of use.

[0033] 2. It is equipped with a boost circuit to work with the mains power supply, which can meet the power grid needs of different regions and improve its applicability.

[0034] 3. The processing circuit can effectively process thyristor signals and digital signals, improving the effectiveness, stability, and reliability of dimming control, and has strong applicability.

[0035] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0036] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A driving structure that combines silicon controlled rectifier (SCR) dimming with intelligent dimming, characterized in that: The power supply circuit, the voltage-boosting circuit, the thyristor signal sampling circuit, the processing circuit, the LED constant current circuit and the color temperature adjusting circuit are connected in series. The power supply circuit is used for providing stable power supply. The voltage-boosting circuit is connected with the power supply circuit and used for voltage-boosting power supply. The thyristor signal sampling circuit is connected with the commercial power supply and used for sampling the voltage or current signal of the power grid and transmitting the signal to the processing circuit. The power supply end of the processing circuit is connected with the voltage-boosting circuit, and the signal input end is connected with the thyristor signal sampling circuit, which is used for processing the thyristor signal and the digital signal. The LED constant current circuit is connected with the processing circuit and the voltage-boosting circuit and used for receiving the processing signal of the processing circuit and supplying constant current to the LED lamp. The color temperature adjusting circuit is connected with the voltage-boosting circuit and the LED constant current circuit and used for realizing color temperature adjusting control.

2. The driving structure of claim 1, wherein the driving structure is characterized in that: The commercial power supply connected with the thyristor signal sampling circuit is AC 90-270V.

3. The driving structure of claim 1, wherein the driving structure is characterized in that: The power supply circuit comprises a battery circuit and a rectification and voltage stabilization circuit, and the rectification and voltage stabilization circuit is connected with the commercial power supply.

4. The driving structure of claim 1, wherein the driving structure is characterized in that: The processing circuit comprises a processing chip, an optocoupler and a plurality of resistors. The optocoupler is connected with the sixth pin of the processing chip through a series resistor, the second pin of the processing chip is connected with the thyristor signal sampling circuit, and the fourth pin of the processing chip is connected with the LED constant current circuit.

5. The driving structure of claim 4, wherein the driving structure is characterized in that: The model of the processing chip is JYU168.

6. The driving structure of claim 1, wherein: The model of the main chip of the LED constant current circuit is 9720S.

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