CN215345149U - Synchronous bulb control system and synchronous control bulb - Google Patents
Synchronous bulb control system and synchronous control bulb Download PDFInfo
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- CN215345149U CN215345149U CN202121434548.9U CN202121434548U CN215345149U CN 215345149 U CN215345149 U CN 215345149U CN 202121434548 U CN202121434548 U CN 202121434548U CN 215345149 U CN215345149 U CN 215345149U
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Abstract
The utility model discloses a synchronous bulb control system and a synchronous bulb, wherein the synchronous bulb control system comprises: the LED lamp comprises a rectifying unit, a synchronous signal and control signal sampling unit, a control unit, an MCU power supply unit and an LED assembly; the rectifying unit is connected with an external power supply circuit; the synchronous signal and control signal sampling unit is connected with the rectifying unit or an external power supply circuit and is used for counting the frequency and the period of the periodic change of alternating current or control signal pulse so as to provide a synchronous signal and collect a control signal input by an external controller; the control unit receives the synchronous signal and/or the control signal output by the control signal sampling unit; the MCU power supply unit is respectively connected with the rectifying unit and the control unit and is used for supplying power to the control unit; the LED assembly comprises one or more LED units, the LED assembly is connected with the rectifying unit and the control unit respectively and is controlled by the control unit, and the scheme is reliable in implementation, high in synchronization efficiency and good in use stability.
Description
Technical Field
The utility model relates to the field of bulb control devices and bulbs, in particular to a synchronous bulb control system and a synchronous control bulb.
Background
As an important lighting tool, a bulb is widely used for indoor decoration, public atmosphere creation and the like, and since a decorative bulb is mostly formed by connecting a plurality of LEDs in series, in order to enable the LEDs to be synchronously controlled according to a certain rule, usually, a designer can perform light control by using a matched bulb control system according to corresponding functional requirements, such as bright-dark, horse race lamp effects and the like.
In the traditional control scheme, the control of the matched control units is mostly carried out according to the number of the LED lamps, and because the scheme that a plurality of control units control a plurality of LED light-emitting units has response difference due to the synchronization of the control units, after the LED light-emitting units are used for a period of time, the timing of each control unit has large deviation, and the light emitted by the light-emitting units shows a loss rule; although a bulb which controls a plurality of LED lamps to be turned on and off by adopting one control chip is also available in the market, the LED lamps can emit light disorderly once the user access control is lost, and automatic regular adjustment cannot be realized.
Disclosure of Invention
In view of the above, the present invention is directed to a synchronous light bulb control system and a synchronous control light bulb, which are reliable in implementation, high in synchronization efficiency, and stable in use.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
a synchronized light bulb control system comprising:
the rectifying unit is connected with an external power supply circuit and rectifies and outputs input power supply current;
the synchronous signal and control signal sampling unit is connected with the rectifying unit or an external power supply circuit and is used for counting the frequency and the period of the periodic change of alternating current or control signal pulse so as to provide a synchronous signal and collect a control signal input by an external controller;
the control unit is connected with the synchronous signal and control signal sampling unit and receives the synchronous signal and/or the control signal output by the synchronous signal and control signal sampling unit;
the MCU power supply unit is respectively connected with the rectifying unit and the control unit and is used for supplying power to the control unit;
and the LED assembly comprises one or more LED units, and the LED assembly is respectively connected with the rectifying unit and the control unit and is controlled by the control unit.
As a possible implementation manner, further, a fuse F1 and a current limiting resistor R1 are arranged on a lead of the rectifying unit connected to an external power supply line.
As a preferred implementation option, preferably, the rectifying unit is a rectifying bridge DB1, and pin 1 and pin 3 of the rectifying bridge are respectively used for connecting to a live wire and a dead wire of an external power supply line;
the fuse F1 is arranged on a lead wire which is connected to an external power supply line at a pin 1 of the rectifier bridge DB 1;
the current limiting resistor R1 is arranged on a lead wire which is connected to an external power supply line at a pin 3 of the rectifier bridge DB 1;
in addition, pin 4 of the rectifier bridge DB1 is grounded, and pin 2 of the rectifier bridge DB1 is connected to the MCU power supply unit, the synchronization signal and control signal sampling unit, and the LED module, respectively.
As a preferred implementation option, it is preferable that the pin 2 of the rectifier bridge DB1 is connected to a circuit of the LED module, and a diode D1 and a resistor R4 are further sequentially disposed on the circuit;
the anode of the diode D1 is connected with the pin 2 of the rectifier bridge DB1, the cathode of the diode D1 is connected with one end of the resistor R4, and the other end of the resistor R4 is connected with the LED component;
in addition, the MCU power supply unit is connected to a connection line between the diode D1 and the resistor R4.
As a preferred implementation option, it is preferred that the control unit includes a control chip U1;
the MCU power supply unit comprises a zener diode ZD1 and a capacitor C4,
the pin VDD of the control chip U1, the cathode of the voltage stabilizing diode ZD1 and one end of the capacitor C4 are all connected to a connecting line between the diode D1 and the resistor R4; the pin GND of the control chip U1, the anode of the voltage stabilizing diode ZD1 and the other end of the capacitor C4 are all grounded;
in addition, a pin SYN of the control chip U1 is connected to a synchronization signal and control signal sampling unit; the control chip U1 also has an output pin, and is connected with the LED assembly through the output pin.
As a preferred implementation option, the synchronization signal and control signal sampling unit preferably includes a resistor R2, a resistor R3, and a capacitor C3, one end of the resistor R3 is connected to the pin 2 of the rectifier DB1, the other end of the resistor R3, one end of the resistor R2, and one end of the capacitor C3 are all connected to the pin SYN of the control chip U1, and the other end of the resistor R2 and the other end of the capacitor C3 are all grounded.
As a better implementation choice, it is preferable that the number of the LED units is 4, and one end of each of the 4 LED units is connected to the other end of the resistor R4;
the output pins of the control chip U1 include a pin OUT1, a pin OUT2, a pin OUT3 and a pin OUT4 which are in one-to-one correspondence with the other ends of the 4 LED units, and the pin OUT1, the pin OUT2, the pin OUT3 and the pin OUT4 are respectively connected with the other ends of the 4 LED units.
As a better implementation option, the model of the control chip U1 is FT60F 021-RB.
As a preferred implementation choice, preferably, the LED unit is a single-color LED unit or a mixed-color LED unit, and the mixed LED unit is an RGB LED unit or an RGBW LED unit.
As a preferred implementation option, preferably, the LED units of the LED assembly are arranged in series, parallel or series-parallel
Based on the scheme of the bulb control system, the utility model also provides a synchronous control bulb which comprises the synchronous bulb control system.
By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that: according to the scheme, the number and the period of the periodic change of the alternating current are counted through the synchronous signal and control signal sampling unit ingeniously, so that synchronous signals are provided, control signals input by an external controller are collected, and then the synchronous signals are transmitted to the control unit, the control unit performs automatic detection and identification, and the control unit can judge whether the control signals of the external controller are accessed or not, so that the automatic synchronous control and adjustment of the LED lamp bank are controlled, and the LED units of the LED lamp bank can keep reliable and stable synchronous work; meanwhile, the diode D1 is skillfully added in the scheme to prevent the signal waveform distortion caused by the crosstalk between the external control signal and the power supply of an external power supply line, and the control stability and accuracy of the LED lamp bank are improved.
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 description of the embodiments or 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 schematic connection diagram of a synchronous light bulb control system according to embodiment 1 of the present invention;
fig. 2 is a schematic circuit connection diagram of a synchronous light bulb control system according to embodiment 1 of the present invention;
fig. 3 is a schematic connection diagram of a synchronous light bulb control system according to embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1
As shown in fig. 1 or fig. 2, the synchronous bulb control system of the present invention includes:
the rectifying unit 1 is connected with an external power supply line and rectifies and outputs input power supply current;
the synchronous signal and control signal sampling unit 2 is connected with the rectifying unit 1 and is used for counting the frequency and the period of the periodic change of alternating current or control signal pulse so as to provide a synchronous signal and acquire a control signal input by an external controller;
the control unit 3 is connected with the synchronous signal and control signal sampling unit 2 and receives the synchronous signal and/or the control signal output by the synchronous signal and control signal sampling unit 2;
the MCU power supply unit 4 is respectively connected with the rectifying unit 1 and the control unit 3 and is used for supplying power to the control unit;
and the LED assembly 5 comprises one or more LED units arranged in parallel, and the LED assembly 5 is respectively connected with the rectifying unit 1 and the control unit 3 and is controlled by the control unit 3.
The external controller mentioned in the present scheme is a conventional external controller, and the external controller is connected to an external power supply line to input a control signal, which is a conventional prior art and the principle of the external controller is not described again.
In addition, on the basis of fig. 1, as shown in fig. 2, in order to improve the current stability of the access system, in the present solution, a fuse F1 and a current limiting resistor R1 are further disposed on a lead of the rectifying unit 1, which is connected to an external power supply line; the rectifying unit 1 is a rectifying bridge DB1, and a pin 1 and a pin 3 of the rectifying unit are respectively used for being connected with a zero line and a live line of an external power supply circuit;
the fuse F1 is arranged on a lead of a pin 1 of the rectifier bridge DB1 and connected to an external power supply line, and the fuse F1 is mainly used for providing current protection and avoiding short circuit of a control system caused by line overload;
the current limiting resistor R1 is arranged on a lead wire which is connected to an external power supply line at a pin 3 of the rectifier bridge DB 1;
in addition, pin 4 of the rectifier bridge DB1 is grounded, and pin 2 of the rectifier bridge DB1 is connected to the MCU power supply unit, the synchronization signal and control signal sampling unit, and the LED module, respectively.
In this scheme, as a preferred implementation choice, it is preferable that the pin 2 of the rectifier bridge DB1 is connected to a circuit of the LED module, and a diode D1 and a resistor R4 are further sequentially disposed on the circuit;
the anode of the diode D1 is connected with the pin 2 of the rectifier bridge DB1, the cathode of the diode D1 is connected with one end of the resistor R4, and the other end of the resistor R4 is connected with the LED component; the main function of the diode D1 is to prevent crosstalk between the control signal and an external power supply line (power supply) from causing waveform distortion of the control signal, which affects the control reliability of the LED module 5.
In addition, the MCU power supply unit 4 is connected to a connection line between the diode D1 and the resistor R4.
As a better implementation choice, it is preferable that the control unit 3 includes a control chip U1, which may be of type FT60F021-RB, the MCU power supply unit 4 includes a zener diode ZD1 and a capacitor C4,
the pin VDD of the control chip U1, the cathode of the voltage stabilizing diode ZD1 and one end of the capacitor C4 are all connected to a connecting line between the diode D1 and the resistor R4; the pin GND of the control chip U1, the anode of the voltage stabilizing diode ZD1 and the other end of the capacitor C4 are all grounded;
in addition, a pin SYN of the control chip U1 is connected to the synchronization signal and control signal sampling unit 2; the control chip U1 also has an output pin, and is connected with the LED assembly through the output pin.
In this scheme, as a preferred implementation choice, preferably, the synchronization signal and control signal sampling unit 2 includes a resistor R2, a resistor R3, and a capacitor C3, one end of the resistor R3 is connected to the pin 2 of the rectifier DB1, the other end of the resistor R3, one end of the resistor R2, and one end of the capacitor C3 are all connected to the pin SYN of the control chip U1, and the other end of the resistor R2 and the other end of the capacitor C3 are all grounded.
As an example, in the embodiment, the number of the LED units is 4, and the LED units are connected in parallel, and one end of each of the 4 LED units is connected to the other end of the resistor R4; the output pins of the control chip U1 include a pin OUT1, a pin OUT2, a pin OUT3 and a pin OUT4 which are in one-to-one correspondence with the other ends of the 4 LED units, and the pin OUT1, the pin OUT2, the pin OUT3 and the pin OUT4 are respectively connected with the other ends of the 4 LED units.
In the color rendering scheme of the LED unit, in the scheme, the LED unit may be a single-color LED unit or a mixed-color LED unit, and the mixed LED unit is an RGB LED unit or an RGBW LED unit.
Based on the above, the working principle of the synchronous bulb control system of the scheme is as follows:
according to the scheme, the pin SYN of the control chip U1 is used for detecting the voltage division signal values from the resistor R3 and the resistor R2, and judgment of control signal input is achieved.
When a user does not access an external controller, the synchronous signal and control signal sampling unit counts the number and period of the periodic variation of the alternating current to provide a synchronous signal to a pin SYN of a control chip U1, and the pin SYN of the control chip U1 automatically detects and judges the periodic frequency of the alternating current input signal to realize the synchronous variation control of the LED units on the same line;
when a user accesses the external controller, the synchronous signal and control signal sampling unit collects a control signal to provide the control signal to the pin SYN of the control chip U1, the pin SYN of the control chip U1 can automatically detect the function of identifying the control signal and can automatically identify the output signal of the external controller, and therefore the LED units share the same control unit 3 to realize unified and synchronous control of color change of the LED units.
Example 2
As shown in fig. 3, the present embodiment is substantially the same as embodiment 1, except that in the present embodiment, the synchronization signal and control signal sampling unit is connected to the external power supply line and used for counting the number and period of the periodic variation of the alternating current or control signal pulse to provide the synchronization signal and collect the control signal input by the external controller.
The remaining connection relationships and the general control mechanism of this embodiment are substantially the same as those of embodiment 1, and are not described again.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A synchronized light bulb control system, comprising:
the rectifying unit is connected with an external power supply circuit and rectifies and outputs input power supply current;
the synchronous signal and control signal sampling unit is connected with the rectifying unit or an external power supply circuit and is used for counting the frequency and the period of the periodic change of alternating current or control signal pulse so as to provide a synchronous signal and collect a control signal input by an external controller;
the control unit is connected with the synchronous signal and control signal sampling unit and receives the synchronous signal and/or the control signal output by the synchronous signal and control signal sampling unit;
the MCU power supply unit is respectively connected with the rectifying unit and the control unit and is used for supplying power to the control unit;
and the LED assembly comprises one or more LED units, and the LED assembly is respectively connected with the rectifying unit and the control unit and is controlled by the control unit.
2. The synchronous light bulb control system as claimed in claim 1, wherein a fuse F1 and a current limiting resistor R1 are further provided on the lead wire of the rectifying unit connected to the external power supply line.
3. The synchronous lamp control system of claim 2, wherein the rectifying unit is a rectifying bridge DB1, and pin 1 and pin 3 are respectively used for connecting to a zero line and a live line of an external power supply line;
the fuse F1 is arranged on a lead wire which is connected to an external power supply line at a pin 1 of the rectifier bridge DB 1;
the current limiting resistor R1 is arranged on a lead wire which is connected to an external power supply line at a pin 3 of the rectifier bridge DB 1;
in addition, pin 4 of the rectifier bridge DB1 is grounded, and pin 2 of the rectifier bridge DB1 is connected to the MCU power supply unit, the synchronization signal and control signal sampling unit, and the LED module, respectively.
4. The synchronous lamp control system as claimed in claim 3, wherein the pin 2 of the rectifier bridge DB1 is connected to the circuit of the LED module, and a diode D1, a resistor R4;
the anode of the diode D1 is connected with the pin 2 of the rectifier bridge DB1, the cathode of the diode D1 is connected with one end of the resistor R4, and the other end of the resistor R4 is connected with the LED component;
in addition, the MCU power supply unit is connected to a connection line between the diode D1 and the resistor R4.
5. The synchronized light bulb control system of claim 4, wherein the control unit includes a control chip U1;
the MCU power supply unit comprises a zener diode ZD1 and a capacitor C4,
the pin VDD of the control chip U1, the cathode of the voltage stabilizing diode ZD1 and one end of the capacitor C4 are all connected to a connecting line between the diode D1 and the resistor R4; the pin GND of the control chip U1, the anode of the voltage stabilizing diode ZD1 and the other end of the capacitor C4 are all grounded;
in addition, a pin SYN of the control chip U1 is connected to a synchronization signal and control signal sampling unit; the control chip U1 also has an output pin, and is connected with the LED assembly through the output pin.
6. The synchronous bulb control system as claimed in claim 5, wherein the synchronous signal and control signal sampling unit comprises a resistor R2, a resistor R3 and a capacitor C3, one end of the resistor R3 is connected with pin 2 of the rectifier DB1, the other end of the resistor R3, one end of the resistor R2 and one end of the capacitor C3 are all connected to a pin SYN of the control chip U1, and the other end of the resistor R2 and the other end of the capacitor C3 are all grounded.
7. The synchronous light bulb control system as recited in claim 6, wherein the number of the LED units is 4, and one end of each of the 4 LED units is connected to the other end of the resistor R4;
the output pins of the control chip U1 include a pin OUT1, a pin OUT2, a pin OUT3 and a pin OUT4 which are in one-to-one correspondence with the other ends of the 4 LED units, and the pin OUT1, the pin OUT2, the pin OUT3 and the pin OUT4 are respectively connected with the other ends of the 4 LED units.
8. The synchronized light bulb control system of one of the claims 5 to 7, wherein the control chip U1 is model number FT60F 021-RB.
9. The synchronous bulb control system of claim 1, wherein the LED units are single color LED units or mixed color LED units, the mixed color LED units being RGB LED units or RGBW LED units;
the LED units of the LED assembly are arranged in series, parallel or series-parallel.
10. A synchronized light bulb control system, characterized in that it comprises a synchronized light bulb control system according to one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434548.9U CN215345149U (en) | 2021-06-25 | 2021-06-25 | Synchronous bulb control system and synchronous control bulb |
| US17/396,750 US11310881B1 (en) | 2021-06-25 | 2021-08-08 | Synchronous control system of light bulbs and synchronously controlled light bulbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434548.9U CN215345149U (en) | 2021-06-25 | 2021-06-25 | Synchronous bulb control system and synchronous control bulb |
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| Publication Number | Publication Date |
|---|---|
| CN215345149U true CN215345149U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121434548.9U Active CN215345149U (en) | 2021-06-25 | 2021-06-25 | Synchronous bulb control system and synchronous control bulb |
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|---|---|
| CN (1) | CN215345149U (en) |
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- 2021-06-25 CN CN202121434548.9U patent/CN215345149U/en active Active
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