Zero-stroboscopic lamp strip control system

Abstract

The utility model discloses a zero-stroboscopic lamp strip control system, which comprises a power supply module, a main control module and a constant-current driving module, the input end of the power module is connected with an external power supply; the main control module is connected with the output end of the power supply module, receives a dimming signal and is used for receiving and identifying the dimming signal; the constant-current driving module is connected with the output end of the power supply module and the main control module, and the lamp strip is connected to the output end of the constant-current driving module; the main control module can provide driving current for the lamp strip through the constant-current driving module according to the dimming signal; by means of the structure, constant-voltage and constant-current control over the lamp strip during output of different powers is achieved, so that the lamp strip is free of stroboflash, the output power is effectively reduced, and good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the field of lamps, in particular to a zero-strobe light belt control system. Background Art

[0002] At present, the driving scheme of variable output power light strips is that a constant voltage power supply provides voltage drive, and the voltage is controlled by a dimmer. The output voltage of the constant voltage power supply can be changed by the dimmer, so as to achieve the purpose of changing the working power of the light strip; however, this driving scheme has the following disadvantages: 1) After the output power is reduced, the light strip will produce flicker; 2) Due to the existence of flicker, the output power cannot be reduced to 5% of the maximum power; therefore, a zero-strobe light strip control system is urgently needed to solve the above problems. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a zero-strobe light strip control system.

[0004] An embodiment of the utility model adopts a technical solution to solve the technical problem: a zero-strobe light strip control system, including a power module, a main control module and a constant current drive module;

[0005] The input end of the power module is connected to an external power source;

[0006] The main control module is connected to the output end of the power module and receives the dimming signal, so as to receive and identify the dimming signal;

[0007] The constant current driving module is connected to the output end of the power module and the main control module respectively, and the light strip is connected to the output end of the constant current driving module;

[0008] The main control module can provide driving current for the light strip through the constant current driving module according to the dimming signal.

[0009] As one of the preferred embodiments of the utility model, the power supply module includes a DC-DC chip, resistors R2-4, capacitors EC3-4, capacitor C5, a diode D1 and an inductor L3, one end of the resistor R2 is respectively connected to one end of the capacitor EC3 and an external power supply, the other end of the resistor R2 is connected to the DC-DC chip, one end of the inductor L3 is respectively connected to the cathode of the diode D1 and the DC-DC chip, the other end of the inductor L3 is respectively connected to one end of the resistor R3, one end of the capacitor EC4 and a subsequent circuit, the other end of the resistor R3 is respectively connected to one end of the resistor R4 and the DC-DC chip, one end of the capacitor C5 is connected to the DC-DC chip, and the other end of the capacitor EC3, the other end of the capacitor C5, the anode of the diode D1, the other end of the resistor R4 and the other end of the capacitor EC4 are grounded.

[0010] As one of the preferred embodiments of the present utility model, a zero-strobe light strip control system further includes a wireless receiving module connected to the power module and the main control module respectively, for receiving and processing wireless dimming signals.

[0011] As one of the preferred embodiments of the utility model, a zero-strobe light strip control system also includes a 0-10V dimming processing module connected to the power module and the main control module respectively, for receiving and processing a 0-10V dimming signal.

[0012] The beneficial effects of the utility model: a zero-strobe light strip control system, including a power supply module, a main control module and a constant current drive module; the input end of the power supply module is connected to an external power supply; the main control module is connected to the output end of the power supply module and connected to a dimming signal, for receiving and identifying the dimming signal; the constant current drive module is respectively connected to the output end of the power supply module and the main control module, and the light strip is connected to the output end of the constant current drive module; the main control module can provide a driving current for the light strip through the constant current drive module according to the dimming signal; the above structure realizes constant voltage and constant current control of the light strip at different power outputs, so that the light strip has no flicker and effectively reduces the output power, and has very good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 This is a principle block diagram of a zero-strobe light strip control system;

[0015] Figure 2 This is the circuit schematic diagram of the wireless receiving module;

[0016] Figure 3 This is the circuit schematic diagram of the main control module;

[0017] Figure 4 This is the circuit schematic diagram of the power module;

[0018] Figure 5 This is the circuit schematic diagram of the constant current drive module;

[0019] Figure 6 This is the circuit schematic of the light strip. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0024] Reference Figures 1 to 6 , a zero-strobe light strip control system, comprising a power module 10, a main control module 20 and a constant current drive module 30;

[0025] The input end of the power module 10 is connected to an external power source;

[0026] The main control module 20 is connected to the output end of the power module 10 and receives the dimming signal, and is used to receive and identify the dimming signal;

[0027] The constant current driving module 30 is connected to the output end of the power module 10 and the main control module 20 respectively, and the light strip 40 is connected to the output end of the constant current driving module 30;

[0028] The main control module 20 can provide a driving current to the light strip 40 through the constant current driving module 30 according to the dimming signal.

[0029] In the present invention, it is used in conjunction with a constant voltage driving power supply, wherein the constant voltage driving power supply converts the input alternating current into a direct current voltage, and the direct current voltage provides a stable voltage driving for the light strip 40; and the power supply module 10 steps down the voltage input by the external power supply and outputs it stably to power each module, the main control module 20 can identify the connected dimming control signal, and convert the control signal into a suitable driving current, and drive the light strip 40 to work through the constant current driving module 30, and the driving current provides a stable working current for the light strip 40, so that the light strip 40 works under a constant current and constant voltage state, and can make the light strip drive without flicker; the advantage of the present invention is that: through the above-mentioned structure, the constant voltage and constant current control of the light strip is realized at different power outputs, so that the light strip is flicker-free, and the output power is effectively reduced, and it has very good practicality.

[0030] As a preferred embodiment of the power module 10, the power module 10 includes a DC-DC chip, resistors R2-4, capacitors EC3-4, capacitor C5, a diode D1 and an inductor L3, one end of the resistor R2 is respectively connected to one end of the capacitor EC3 and an external power supply, the other end of the resistor R2 is connected to the DC-DC chip, one end of the inductor L3 is respectively connected to the cathode of the diode D1 and the DC-DC chip, the other end of the inductor L3 is respectively connected to one end of the resistor R3, one end of the capacitor EC4 and a subsequent circuit, the other end of the resistor R3 is respectively connected to one end of the resistor R4 and And the DC-DC chip is connected, one end of the capacitor C5 is connected to the DC-DC chip, the other end of the capacitor EC3, the other end of the capacitor C5, the anode of the diode D1, the other end of the resistor R4 and the other end of the capacitor EC4 are grounded; wherein, the capacitor EC3 and the resistor R2 constitute the input filter circuit of the power module 10, the capacitor EC4, the capacitor C5, the inductor L3, the resistor R3-4 and the diode D1 constitute the output filter circuit of the power module 10, and the DC-DC chip steps down the voltage of the external power input and stably outputs a voltage of 5V to provide working voltage for each module.

[0031] As a first embodiment of a dimming signal, a zero-strobe light strip control system also includes a wireless receiving module 50 connected to the power module 10 and the main control module 20 respectively, for receiving and processing wireless dimming signals; wherein the wireless receiving module 50 preferably includes a 433 wireless receiving chip with model number SA6531 and its supporting circuits, which can receive the dimming signal wirelessly and send it to the main control module 20.

[0032] As a second embodiment of the dimming signal, a zero-strobe light strip control system further includes a 0-10V dimming processing module 60 connected to the power module 10 and the main control module 20 respectively, for receiving and processing the 0-10V dimming signal.

[0033] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A zero-strobe light strip control system, characterized in that: It comprises a power supply module (10), a main control module (20) and a constant current drive module (30); The input end of the power module (10) is connected to an external power source; The main control module (20) is connected to the output end of the power module (10) and receives the dimming signal, and is used to receive and identify the dimming signal; The constant current driving module (30) is respectively connected to the output end of the power module (10) and the main control module (20), and the light strip (40) is connected to the output end of the constant current driving module (30); The main control module (20) can provide a driving current for the light strip (40) through the constant current driving module (30) according to the dimming signal.

2. A zero-strobe light strip control system according to claim 1, characterized in that: The power module (10) comprises a DC-DC chip, resistors R2-4, capacitors EC3-4, capacitor C5, diode D1 and inductor L3, one end of the resistor R2 is respectively connected to one end of the capacitor EC3 and an external power supply, the other end of the resistor R2 is connected to the DC-DC chip, one end of the inductor L3 is respectively connected to the cathode of the diode D1 and the DC-DC chip, the other end of the inductor L3 is respectively connected to one end of the resistor R3, one end of the capacitor EC4 and a subsequent circuit, the other end of the resistor R3 is respectively connected to one end of the resistor R4 and the DC-DC chip, one end of the capacitor C5 is connected to the DC-DC chip, and the other end of the capacitor EC3, the other end of the capacitor C5, the anode of the diode D1, the other end of the resistor R4 and the other end of the capacitor EC4 are grounded.

3. A zero-strobe light strip control system according to claim 1, characterized in that: It also includes a wireless receiving module (50) connected to the power module (10) and the main control module (20) respectively, and is used to receive and process wireless dimming signals.

4. A zero-strobe light strip control system according to claim 1, characterized in that: It also includes a 0-10V dimming processing module (60) connected to the power module (10) and the main control module (20) respectively, and is used to receive and process the 0-10V dimming signal.

Images