CN219181734U

CN219181734U - Synchronous driving circuit of multiple lamps

Info

Publication number: CN219181734U
Application number: CN202222916214.6U
Authority: CN
Inventors: 杨乃军; 吴勇杰
Original assignee: Xiamen Topstar Lighting Co Ltd
Current assignee: Xiamen Topstar Lighting Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-06-13
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of multi-lamp synchronization, in particular to a synchronous driving circuit of a multi-lamp, which comprises a signal conversion module, a BUCK driving module, a multi-light source module, an infrared receiving module, a control switching module and a main control module, wherein the main control module is respectively and electrically connected with the signal conversion module, the BUCK driving module, the multi-light source module, the infrared receiving module and the control switching module, the BUCK driving module is respectively and electrically connected with the signal conversion module, the multi-light source module, the infrared receiving module and the control switching module, the input end of the signal conversion module is electrically connected with an external power grid alternating current signal end, the signal conversion module is arranged to convert the external power grid alternating current signal into a square wave signal, and the main control module receives the square wave signal converted by the signal conversion module and controls synchronous work among different lamps by controlling the on and off of a light source, so that the multi-lamp synchronization function is realized.

Description

Synchronous driving circuit of multiple lamps

Technical Field

The utility model relates to the technical field of multi-lamp synchronization, in particular to a synchronous driving circuit of a multi-lamp.

Background

At present, when a plurality of lamps are simultaneously lighted for synchronous processing, the traditional synchronous mode (chip control such as a singlechip) is adopted for synchronous processing, but the phenomena of deviation and asynchronism can occur when the time accumulation is longer due to the deviation of a crystal oscillator device.

Disclosure of Invention

In order to overcome the defects in the prior art, the technical problems to be solved by the utility model are as follows: a synchronous drive circuit for multiple lamps solves the problem of asynchronous operation after long time accumulation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a synchronous drive circuit of many lamps, includes signal conversion module, BUCK drive module, many light source module, infrared receiving module, control switching module and main control module, main control module is connected with signal conversion module, BUCK drive module, many light source module, infrared receiving module and control switching module electricity respectively, BUCK drive module is connected with signal conversion module, many light source module, infrared receiving module and control switching module electricity respectively, many light source module is connected with control switching module electricity, signal conversion module's input and the electric wire netting alternating current signal end electricity of peripheral hardware are connected.

Further, the signal conversion module comprises a resistor R11, a resistor R12, a safety resistor F1, a capacitor C3, an electrolytic capacitor CE1 and a rectifier bridge BD, wherein a first pin of the rectifier bridge BD is electrically connected with one end of the safety resistor F1 and one end of the resistor R11 respectively, a second pin of the rectifier bridge BD is grounded, a third pin of the rectifier bridge BD is electrically connected with one end of the resistor R12 and an external power grid alternating current signal end respectively, the other end of the safety resistor F1 is electrically connected with the external power grid alternating current signal end, a fourth pin of the rectifier bridge BD is electrically connected with one end of the electrolytic capacitor CE1 and the BUCK driving module respectively, the other end of the resistor R11 is electrically connected with the other end of the electrolytic capacitor CE1, the other end of the resistor R12 is electrically connected with one end of the capacitor C3 and the main control module respectively, and the other end of the capacitor C3 is grounded.

Further, the multi-light source module comprises a resistor R21, a display device RGB1, a display device RGB2, a display device RGB3, a display device RGB4, a display device RGB5 and a light emitting component, wherein the display device RGB1, the resistor R21, the display device RGB2, the display device RGB3, the display device RGB4 and the display device RGB5 are connected in series, one end of the light emitting component is respectively and electrically connected with the BUCK driving module, the infrared receiving module, the control switching module and the display device RGB1, the other end of the light emitting component is electrically connected with the control switching module, and the display device RGB5 is electrically connected with the control switching module.

Further, the infrared receiving module comprises a resistor R20, a resistor R22, a capacitor C2, a voltage stabilizing tube ZD1 and an infrared probe IC6, wherein a first pin of the infrared probe IC6 is respectively and electrically connected with one end of the capacitor C2, a cathode of the voltage stabilizing tube ZD1 and one end of the resistor R22, a second pin of the infrared probe IC6 is respectively and electrically connected with an anode of the voltage stabilizing tube ZD1 and the main control module, a third pin of the infrared probe IC6 is electrically connected with the main control module, the other end of the resistor R22 is electrically connected with one end of the resistor R20, and the other end of the resistor R20 is respectively and electrically connected with the BUCK driving module and the multi-light source module.

Further, the main control module comprises a chip IC1, a first pin of the chip IC1 is connected with a power supply, a second pin of the chip IC1, a fifth pin of the chip IC1, a sixth pin of the chip IC1 and a seventh pin of the chip IC1 are respectively and electrically connected with the control switching module, a fourth pin of the chip IC1 is electrically connected with the infrared receiving module, and an eighth pin of the chip IC1 is electrically connected with the infrared receiving module.

The utility model has the beneficial effects that:

the BUCK driving module and the multi-light source module are arranged to drive the light source to work, the signal conversion module is arranged to convert an external power grid alternating current signal into a square wave signal, the main control module receives the square wave signal converted by the signal conversion module, and synchronous work among different lamps is controlled by controlling the on-off of the light source, so that the function of multi-lamp (namely multi-light source) synchronization is realized; the method and the system utilize the consistency of the alternating current signals of the power grid, extract the periodic characteristics of the alternating current signals as the timing time base, so that the synchronous operation can be always performed as long as a plurality of lamps are simultaneously connected to the same power grid, and the asynchronous condition can not occur.

Drawings

FIG. 1 is a block diagram showing the modular connection of a synchronous drive circuit for multiple lamps according to the present utility model;

FIG. 2 is a schematic circuit diagram of a synchronous drive for multiple lamps according to the present utility model;

description of the reference numerals:

1. a signal conversion module; 2. a BUCK driving module; 3. a multi-light source module; 4. an infrared receiving module; 5. a control switching module; 6. and a main control module.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

Referring to fig. 1, the present utility model provides the following technical solutions:

From the above description, the beneficial effects of the utility model are as follows:

From the above description, the ac signal (sine wave), the positive half-wave signal and the negative half-wave signal are respectively reduced in voltage by the resistor R11 and the resistor R12, and then converted into voltage signals (3.3-5.1V voltage) which can be identified by the matching master control module, and both the capacitor C3 and the electrolytic capacitor CE1 have filtering effects, so that the voltage signals are more stable.

As can be seen from the above description, GB of the display device RGB represents green light and blue light, the voltage of which is about 3.3V, B represents red light, the voltage of which is about 2.2V, and after being reduced by the BUCK driving module, the light source is provided with a matched working voltage, and the voltage of each display device is relatively consistent by increasing the voltage of the resistor R21 due to relatively low voltage of the red light.

From the above description, after the BUCK driving module steps down, the voltage for providing the light source to work is 18-24V, then the voltage is reduced by the resistor R20 and the resistor R22 to reach 3.3-5.1V, the working voltage of the infrared probe IC6 is matched, the voltage work is more constant by the voltage stabilizing tube ZD1, the capacitor C2 plays a filtering role, and the ripple of the output voltage is smaller.

As can be seen from the above description, different ports of the chip IC1 output different PWM switching pulse signals to the control switching module, so as to control the on/off, color combination, and other functions of the display device.

Referring to fig. 1 and 2, a first embodiment of the present utility model is as follows:

referring to fig. 1, a synchronous driving circuit of multiple lamps includes a signal conversion module 1, a BUCK driving module 2, a multiple light source module 3, an infrared receiving module 4, a control switching module 5 and a main control module 6, wherein the main control module 6 is electrically connected with the signal conversion module 1, the BUCK driving module 2, the multiple light source module 3, the infrared receiving module 4 and the control switching module 5 respectively, the BUCK driving module 2 is electrically connected with the signal conversion module 1, the multiple light source module 3, the infrared receiving module 4 and the control switching module 5 respectively, the multiple light source module 3 is electrically connected with the control switching module 5, and an input end of the signal conversion module 1 is electrically connected with an external power grid alternating current signal end.

Referring to fig. 2, the signal conversion module 1 includes a resistor R11 (with a resistance value of 1mΩ), a resistor R12 (with a resistance value of 1mΩ), a fuse resistor F1, a capacitor C3, an electrolytic capacitor CE1 (with a capacitance value of 15 μf), and a rectifier bridge BD, wherein a first pin of the rectifier bridge BD is electrically connected to one end of the fuse resistor F1 and one end of the resistor R11, a second pin of the rectifier bridge BD is grounded, a third pin of the rectifier bridge BD is electrically connected to one end of the resistor R12 and an external ac signal end of the power grid, the other end of the fuse resistor F1 is electrically connected to an external ac signal end of the power grid, a fourth pin of the rectifier bridge BD is electrically connected to one end of the electrolytic capacitor CE1 and the BUCK driving module 2, the other end of the resistor R11 is electrically connected to the other end of the electrolytic capacitor CE1, and the other end of the resistor R12 is electrically connected to one end of the capacitor C3 and the main control module 6, and the other end of the capacitor C3 is grounded. After the alternating current signal (sine wave), the positive half-wave signal and the negative half-wave signal are respectively reduced in voltage through a resistor R11 and a resistor R12, the alternating current signal, the positive half-wave signal and the negative half-wave signal are converted into voltage signals (3.3-5.1V voltage) which can be identified by a matched main control module, and both the capacitor C3 and the electrolytic capacitor CE1 play a role in filtering, so that the voltage signals are more stable.

Referring to fig. 2, the multi-light source module 3 includes a resistor R21 (with a resistance value of 100deg.OMEGA), a display device RGB1, a display device RGB2, a display device RGB3, a display device RGB4, a display device RGB5, and a light emitting component, wherein the display device RGB1, the resistor R21, the display device RGB2, the display device RGB3, the display device RGB4, and the display device RGB5 are connected in series, one end of the light emitting component is electrically connected with the BUCK driving module 2, the infrared receiving module 4, the control switching module 5, and the display device RGB1, the other end of the light emitting component is electrically connected with the control switching module 5, and the display device RGB5 is electrically connected with the control switching module 5. GB of the display device RGB respectively represents green light and blue light, the voltage of the display device RGB is about 3.3V, B represents red light, the voltage of the display device RGB is about 2.2V, after the display device RGB is reduced by the BUCK driving module, matched working voltage is provided for the light source, and the voltage of each display device is consistent by increasing the voltage of the resistor R21 due to the low voltage-saving ratio of the red light.

Referring to fig. 2, the infrared receiving module 4 includes a resistor R20 (with a resistance value of 820 Ω), a resistor R22 (with a resistance value of 820 Ω), a capacitor C2 (with a capacitance value of 1 μf-2.2 μf), a voltage stabilizing tube ZD1, and an infrared probe IC6 (with a working voltage of 3.3V-5.1V), a first pin of the infrared probe IC6 is electrically connected with one end of the capacitor C2, a cathode of the voltage stabilizing tube ZD1, and one end of the resistor R22, a second pin of the infrared probe IC6 is electrically connected with an anode of the voltage stabilizing tube ZD1 and the main control module 6, a third pin of the infrared probe IC6 is electrically connected with the main control module 6, the other end of the resistor R22 is electrically connected with one end of the resistor R20, and the other end of the resistor R20 is electrically connected with the BUCK driving module 2 and the multiple light source module 3, respectively. After the BUCK driving module is used for reducing the voltage, the working voltage of the light source is 18-24V, the voltage is reduced through the resistor R20 and the resistor R22, then the working voltage of the infrared probe IC6 is matched, the voltage is more constant, the capacitor C2 plays a filtering role, and the ripple wave of the output voltage is smaller.

Referring to fig. 2, the main control module 6 includes a chip IC1 (with a model of BJSANB 101), a first pin of the chip IC1 is connected to a power supply, a second pin of the chip IC1, a fifth pin of the chip IC1, a sixth pin of the chip IC1 and a seventh pin of the chip IC1 are all electrically connected to the control switch module 5, a fourth pin of the chip IC1 is electrically connected to the infrared receiving module 4, and an eighth pin of the chip IC1 is electrically connected to the infrared receiving module 4. Different ports of the chip IC1 output different PWM switching pulse signals to the control switching module, so that the functions of on-off, color combination and the like of the display device are controlled.

Referring to fig. 2, the control switching module 5 includes a resistor R13 (with a resistance value of 1kΩ), a resistor R14 (with a resistance value of 47 Ω), a resistor R15 (with a resistance value of 1kΩ), a resistor R16 (with a resistance value of 47 Ω), a resistor R17 (with a resistance value of 1kΩ), a resistor R18 (with a resistance value of 47 Ω), a resistor R19 (with a resistance value of 1kΩ), a transistor Q11 (with a model of MMBT 2222), a transistor Q1 (with a model of MMBT 2222), a transistor Q2 (with a model of MMBT 2222), and a transistor Q3 (with a model of MMBT 2222), and specific connection relationships among the components are shown in fig. 2, and different ports of the chip IC1 output different PWM switching pulse signals to control the transistor Q1, the transistor Q2, the transistor Q3, and the transistor Q11, so as to control the functions of on/off, color combination, etc. of the display device.

Referring to fig. 2, the BUCK driving module 2 includes a resistor R1 (with a resistance value of 200kΩ), a resistor R2 (with a resistance value of 200kΩ), a resistor R3 (with a resistance value of 3kΩ), a field effect transistor Q21 (with a resistance value of 2N 60), a resistor R4 (with a resistance value of 100kΩ), a chip U1 (with a type of BP2516 or BP 2519), an electrolytic capacitor CE2 (with a capacitance value of 4.7 μf), a diode D3 (with an ultrafast recovery diode, with a type of ES 1J), a resistor R5 (with a resistance value of 1.5 Ω), a resistor R6 (with a resistance value of 1.6 Ω), a resistor R7 (with a resistance value of 1.3kΩ), a capacitor C1 (with a capacitance value of 1 μf), a resistor R8 (with a resistance value of 51kΩ), a resistor R9 (with a resistance value of 33kΩ), a resistor R10 (with a resistance value of 15kΩ), an inductor T1 (with a type of EE 13), a diode D1 (with a ES 2J), a diode D2 (with a capacitance value of ES 2J) and a capacitance value of 470 μ 3, and a capacitor D3 (with a capacitance value of 470 μ) which is provided between the chip, and the specific switch-type of the chip is connected to provide a high-level of the light source, and the switch-level, and the switch-on-state switch-state, and the switch-state-charge device is provided when the switch-state charge is connected to the switch-state charge device; when the switching tube is driven to a low level, the switching tube is turned off, the energy storage inductor T1 is discharged through the freewheel diode D1 and the freewheel diode D2, the inductor current is linearly reduced, the output voltage is discharged by the output filter capacitor CE3, and the reduced inductor current is maintained.

In summary, according to the synchronous driving circuit for multiple lamps provided by the utility model, the BUCK driving module and the multiple light source module are arranged to drive the light sources to work, the signal conversion module is arranged to convert the peripheral power grid alternating current signal into the square wave signal, the main control module receives the square wave signal converted by the signal conversion module, and the synchronous operation among different lamps is controlled by controlling the on-off of the light sources, so that the synchronous function of the multiple lamps (namely the multiple light sources) is realized; the method and the system utilize the consistency of the alternating current signals of the power grid, extract the periodic characteristics of the alternating current signals as the timing time base, so that the synchronous operation can be always performed as long as a plurality of lamps are simultaneously connected to the same power grid, and the asynchronous condition can not occur.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. The utility model provides a synchronous drive circuit of many lamps, its characterized in that includes signal conversion module, BUCK drive module, many light source module, infrared receiving module, control switching module and main control module, main control module is connected with signal conversion module, BUCK drive module, many light source module, infrared receiving module and control switching module electricity respectively, BUCK drive module is connected with signal conversion module, many light source module, infrared receiving module and control switching module electricity respectively, many light source module is connected with control switching module electricity, signal conversion module's input is connected with the electric wire netting alternating current signal end electricity of peripheral hardware.

2. The synchronous driving circuit of multiple lamps according to claim 1, wherein the signal conversion module comprises a resistor R11, a resistor R12, a safety resistor F1, a capacitor C3, an electrolytic capacitor CE1 and a rectifier bridge BD, wherein a first pin of the rectifier bridge BD is electrically connected with one end of the safety resistor F1 and one end of the resistor R11 respectively, a second pin of the rectifier bridge BD is grounded, a third pin of the rectifier bridge BD is electrically connected with one end of the resistor R12 and an external power grid ac signal end respectively, the other end of the safety resistor F1 is electrically connected with the external power grid ac signal end, a fourth pin of the rectifier bridge BD is electrically connected with one end of the electrolytic capacitor CE1 and the BUCK driving module respectively, the other end of the resistor R11 is electrically connected with the other end of the electrolytic capacitor CE1 respectively, the other end of the resistor R12 is electrically connected with one end of the capacitor C3 and the main control module respectively, and the other end of the capacitor C3 is grounded.

3. The synchronous driving circuit of a plurality of lamps according to claim 1, wherein the multi-light source module comprises a resistor R21, a display device RGB1, a display device RGB2, a display device RGB3, a display device RGB4, a display device RGB5 and a light emitting assembly, the display device RGB1, the resistor R21, the display device RGB2, the display device RGB3, the display device RGB4 and the display device RGB5 are connected in series, one end of the light emitting assembly is electrically connected with the BUCK driving module, the infrared receiving module, the control switching module and the display device RGB1, the other end of the light emitting assembly is electrically connected with the control switching module, and the display device RGB5 is electrically connected with the control switching module.

4. The synchronous driving circuit of multiple lamps according to claim 1, wherein the infrared receiving module comprises a resistor R20, a resistor R22, a capacitor C2, a voltage stabilizing tube ZD1 and an infrared probe IC6, a first pin of the infrared probe IC6 is electrically connected with one end of the capacitor C2, a cathode of the voltage stabilizing tube ZD1 and one end of the resistor R22, a second pin of the infrared probe IC6 is electrically connected with an anode of the voltage stabilizing tube ZD1 and a main control module, a third pin of the infrared probe IC6 is electrically connected with the main control module, the other end of the resistor R22 is electrically connected with one end of the resistor R20, and the other end of the resistor R20 is electrically connected with the BUCK driving module and the multiple light source module.

5. The synchronous driving circuit of multiple lamps according to claim 1, wherein the main control module comprises a chip IC1, a first pin of the chip IC1 is connected with a power supply, a second pin of the chip IC1, a fifth pin of the chip IC1, a sixth pin of the chip IC1 and a seventh pin of the chip IC1 are electrically connected with the control switching module, a fourth pin of the chip IC1 is electrically connected with the infrared receiving module, and an eighth pin of the chip IC1 is electrically connected with the infrared receiving module.