Control circuit of non-isolated constant-voltage fantasy colored lamp band controller
By designing a non-isolated constant voltage silhouette controller control circuit, using fewer electronic components and protection components, the problems of high costs and lack of protection functions in the existing technology are solved, and more stable and safe signal output is achieved, improving the Have a user experience.
Patent Information
- Application Number
- CN202420184788.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-25
AI Technical Summary
The existing non-isolated silhouette controllers use too many electronic components, high production costs, and lack the protection function of the signal output terminal, which is prone to damage due to errors, and has poor consumer experience.
A non-isolated constant voltage Huacai light controller control circuit is designed, including AC to DC module, low-voltage power supply module, Huacai control module and signal amplification module. It uses fewer electronic components and passes through field effect tubes and voltage stabilization. Components such as diodes provide explosion-proof and short-circuit protection, reducing production costs and improving signal stability.
It achieves the reduction of electronic components, reduces production costs, ensures the stability and safety of signal output, avoids controller damage caused by errors, and improves consumer experience.
Smart Images
Figure CN222192607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of control circuits, and in particular to a non-isolated constant-voltage magic light belt controller control circuit. Background Art
[0002] A fantasy light strip is a colored light strip that is controlled by the three primary colors of RGB. With the improvement of people's living standards, fantasy light strips have become daily lamps for people's decorative lighting. Existing fantasy light strips generally use controllers to control the light of the light strips. The controller control circuit is generally divided into a non-isolated control circuit and an isolated control circuit. However, the existing non-isolated control circuit uses more electronic components and has a high production cost. At the same time, the signal output terminal of the existing controller has no protection function when connected to the mains, and has no explosion-proof or short-circuit-proof function. If the signal output terminal is connected incorrectly, it is easy to cause damage to the controller, which is inconvenient to use and has a poor consumer experience. Therefore, in order to avoid the shortcomings of the prior art, it is necessary to improve the prior art. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and provide a non-isolated constant voltage fantasy light strip controller control circuit.
[0004] The utility model is realized by the following technical solutions:
[0005] A non-isolated constant voltage magic color light strip controller control circuit, including an AC to DC module, a low voltage power supply module, a magic color control module, a signal amplification module, and an output interface P2, wherein the AC to DC module is connected to the low voltage power supply module, the low voltage power supply module is respectively connected to the magic color control module and the signal amplification module, the magic color control module is connected to the signal amplification module, the signal output end of the signal amplification module is connected to the output interface P2, the output end of the AC to DC module is connected to the output interface P2, and the AC to DC module includes a control The control chip U1, the low-voltage power supply module includes a control chip VR1, the magic color control module includes a single-chip microcomputer IC1, the signal amplification module includes a control chip U2, a control chip U3, a control chip U4, a field effect transistor Q2 and a voltage-stabilizing diode D8, the drain of the field effect transistor Q2 is connected to the second pin of the output interface P2, the source of the field effect transistor Q2 is connected to the fourth pin of the control chip U3 through a resistor R24, and the gate of the field effect transistor Q2 is respectively connected to the fifth pin of the control chip U2 and the fifth pin of the control chip U3.
[0006] Furthermore, the model of the control chip U2 and the model of the control chip U3 are both BL1551.
[0007] Furthermore, the anode of the voltage-stabilizing diode D8 is connected to the source of the field effect transistor Q2, the cathode of the voltage-stabilizing diode D8 is grounded, and the gate of the field effect transistor Q2 is grounded through a capacitor C8.
[0008] Furthermore, the fifteenth pin of the single-chip computer IC1 is connected to the first pin of the control chip U2, the fifth pin of the control chip U2 is connected to the fifth pin of the control chip U3, the fourth pin of the control chip U2 is connected to the sixth pin of the control chip U3, the second pin of the control chip U2 is grounded, the second pin of the control chip U2 is respectively connected to the second pin and the third pin of the control chip U3, the R port of the control chip U4 is connected to the third pin of the control chip U2, and the sixth pin of the control chip U2 is grounded through the resistor R25.
[0009] Furthermore, the model of the control chip U4 is MAX485.
[0010] Furthermore, the AC to DC module further includes an input interface P1, a fuse F1, a rectifier bridge D1, a field effect transistor Q1 and a transformer T1.
[0011] Furthermore, the model of the control chip U1 is YT5205AOT5.
[0012] Furthermore, the control chip U4 is connected to an interface P3, the B port of the control chip U4 is connected to the first pin of the interface P3, the A port of the control chip U4 is connected to the second pin of the interface P3, the B port of the control chip U4 is grounded through a bidirectional breakdown diode D9, the A port of the control chip U4 is grounded through a bidirectional breakdown diode D10, and the B port of the control chip U4 is connected to the A port of the control chip U4 through a bidirectional breakdown diode D11.
[0013] Furthermore, the model of the control chip VR1 is HT7550.
[0014] Furthermore, the magic color control module also includes a crystal oscillator X1 and an inductor L1.
[0015] Compared with the prior art, the utility model uses a non-isolated constant voltage fantasy light strip controller control circuit including an AC to DC module, a low voltage power supply module, a fantasy control module and a signal amplification module. The low voltage power supply module includes a control chip VR1, the fantasy control module includes a single-chip computer IC1, the signal amplification module includes a control chip U2, a control chip U3, a control chip U4, a field effect tube Q2 and a voltage-stabilizing diode D8. The drain of the field effect tube Q2 is connected to the second pin of the output interface P2, the source of the field effect tube Q2 is connected to the fourth pin of the control chip U3 through a resistor R24, and the gate of the field effect tube Q2 is respectively connected to the fifth pin of the control chip U2 and the fifth pin of the control chip U3, so that the non-isolated constant voltage fantasy light strip controller control circuit has fewer electronic components, stable signal control, and low production cost. At the same time, the field effect tube Q2 can prevent the signal output terminal from being connected to the mains incorrectly, and has explosion-proof and short-circuit-proof functions, so that the signal output terminal of the controller has a protection function when connected to the mains. If the signal output terminal is connected incorrectly, it will not easily cause damage to the controller. It is easy to use and consumers have a good experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 This is a circuit schematic diagram of the control circuit of the non-isolated constant voltage fantasy light strip controller of the utility model. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] like Figure 1The utility model is shown as a non-isolated constant voltage fantasy light strip controller control circuit, including an AC to DC module, a low voltage power supply module, a fantasy control module, a signal amplification module, and an output interface P2. The AC to DC module is connected to the low voltage power supply module, and the low voltage power supply module is respectively connected to the fantasy control module and the signal amplification module, the fantasy control module is connected to the signal amplification module, the signal output end of the signal amplification module is connected to the output interface P2, and the output end of the AC to DC module is connected to the output interface P2. The AC to DC module includes a control chip U1, the low voltage power supply module includes a control chip VR1, the fantasy control module includes a single-chip microcomputer IC1, the signal amplification module includes a control chip U2, a control chip U3, a control chip U4, a field effect transistor Q2 and a voltage regulator diode D8, the drain of the field effect transistor Q2 is connected to the second pin of the output interface P2, the source of the field effect transistor Q2 is connected to the fourth pin of the control chip U3 through a resistor R24, and the gate of the field effect transistor Q2 is respectively connected to the fifth pin of the control chip U2 and the fifth pin of the control chip U3. The control circuit of the non-isolated constant voltage fantasy light strip controller includes an AC to DC module, a low voltage power supply module, a fantasy control module and a signal amplification module. The low voltage power supply module includes a control chip VR1, the fantasy control module includes a single chip computer IC1, the signal amplification module includes a control chip U2, a control chip U3, a control chip U4, a field effect tube Q2 and a voltage regulator diode D8. The drain of the field effect tube Q2 is connected to the second pin of the output interface P2, the source of the field effect tube Q2 is connected to the fourth pin of the control chip U3 through a resistor R24, and the gate of the field effect tube Q2 is respectively connected to the fifth pin of the control chip U2 and the fifth pin of the control chip U3, so that the control circuit of the non-isolated constant voltage fantasy light strip controller has fewer electronic components, stable signal control, and low production cost. At the same time, the field effect tube Q2 can prevent the signal output terminal from being connected to the mains incorrectly, and has explosion-proof and short-circuit-proof functions, so that the signal output terminal of the controller has a protection function when connected to the mains. If the signal output terminal is connected incorrectly, it will not easily cause damage to the controller. It is easy to use and consumers have a good experience.
[0020] As a specific implementation method, the model of the control chip U2 and the model of the control chip U3 are both BL1551, and the signal simulation switch can cut off and switch the signal in time to improve the accuracy of signal transmission.
[0021] The positive electrode of the voltage-stabilizing diode D8 is connected to the source of the field effect transistor Q2, the negative electrode of the voltage-stabilizing diode D8 is grounded, and the gate of the field effect transistor Q2 is grounded through the capacitor C8, thereby improving the working stability and safety of the field effect transistor Q2.
[0022] The fifteenth pin of the single-chip computer IC1 is connected to the first pin of the control chip U2, the fifth pin of the control chip U2 is connected to the fifth pin of the control chip U3, the fourth pin of the control chip U2 is connected to the sixth pin of the control chip U3, the second pin of the control chip U2 is grounded, the second pin of the control chip U2 is respectively connected to the second pin and the third pin of the control chip U3, the R port of the control chip U4 is connected to the third pin of the control chip U2, the sixth pin of the control chip U2 is grounded through the resistor R25, and the combination of the control chip U2 and the control chip U3 makes the signal transmission more stable and more accurate, while providing the security of the signal transmission.
[0023] As a specific implementation, the model of the control chip U4 is MAX485, which improves the diversity and stability of signal access transmission.
[0024] In a specific implementation, the AC to DC module also includes an input interface P1, a fuse F1, a rectifier bridge D1, a field effect transistor Q1 and a transformer T1 to improve the stability, efficiency and safety of current and voltage input, conversion and output.
[0025] As a specific implementation, the model of the control chip U1 is YT5205AOT5, which has the functions of constant voltage, high power and no flicker, and has good use effect.
[0026] The control chip U4 is connected to an interface P3, the B port of the control chip U4 is connected to the first pin of the interface P3, the A port of the control chip U4 is connected to the second pin of the interface P3, the B port of the control chip U4 is grounded through a bidirectional breakdown diode D9, the A port of the control chip U4 is grounded through a bidirectional breakdown diode D10, and the B port of the control chip U4 is connected to the A port of the control chip U4 through a bidirectional breakdown diode D11, so that the controller can realize the master-slave signal connection. When the slave is short-circuited, it will not affect the host, and it is safer to use.
[0027] As a specific implementation, the model of the control chip VR1 is HT7550, which has low power consumption, stable output circuit voltage and high precision.
[0028] The fantasy color control module also includes a crystal oscillator X1 and an inductor L1, which improve the accuracy of the operation of the fantasy color control module and improve the stability of the antenna receiving and transmitting signals.
[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A non-isolated constant voltage magic light strip controller control circuit, characterized in that: It includes an AC to DC module, a low-voltage power supply module, a magic color control module, a signal amplification module, and an output interface P2. The AC to DC module is connected to the low-voltage power supply module, and the low-voltage power supply module is respectively connected to the magic color control module and the signal amplification module. The magic color control module is connected to the signal amplification module. The signal output end of the signal amplification module is connected to the output interface P2, and the output end of the AC to DC module is connected to the output interface P2. The AC to DC module includes a control chip U1, the low-voltage power supply module includes a control chip VR1, and the magic color control module includes a single-chip computer IC1. The signal amplification module includes a control chip U2, a control chip U3, a control chip U4, a field effect transistor Q2 and a voltage-stabilizing diode D8. The drain of the field effect transistor Q2 is connected to the second pin of the output interface P2, the source of the field effect transistor Q2 is connected to the fourth pin of the control chip U3 through a resistor R24, and the gate of the field effect transistor Q2 is respectively connected to the fifth pin of the control chip U2 and the fifth pin of the control chip U3.
2. The non-isolated constant voltage magic light strip controller control circuit according to claim 1, characterized in that: The model of the control chip U2 and the model of the control chip U3 are both BL1551.
3. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The anode of the voltage-stabilizing diode D8 is connected to the source of the field effect transistor Q2 , the cathode of the voltage-stabilizing diode D8 is grounded, and the gate of the field effect transistor Q2 is grounded via a capacitor C8 .
4. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The fifteenth pin of the single-chip computer IC1 is connected to the first pin of the control chip U2, the fifth pin of the control chip U2 is connected to the fifth pin of the control chip U3, the fourth pin of the control chip U2 is connected to the sixth pin of the control chip U3, the second pin of the control chip U2 is grounded, the second pin of the control chip U2 is respectively connected to the second pin and the third pin of the control chip U3, the R port of the control chip U4 is connected to the third pin of the control chip U2, and the sixth pin of the control chip U2 is grounded through resistor R25.
5. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The model of the control chip U4 is MAX485.
6. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The AC-to-DC module further includes an input interface P1, a fuse F1, a rectifier bridge D1, a field effect transistor Q1 and a transformer T1.
7. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The model of the control chip U1 is YT5205AOT5.
8. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The control chip U4 is connected to an interface P3, the B port of the control chip U4 is connected to the first pin of the interface P3, the A port of the control chip U4 is connected to the second pin of the interface P3, the B port of the control chip U4 is grounded through a bidirectional breakdown diode D9, the A port of the control chip U4 is grounded through a bidirectional breakdown diode D10, and the B port of the control chip U4 is connected to the A port of the control chip U4 through a bidirectional breakdown diode D11.
9. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The model of the control chip VR1 is HT7550.
10. The non-isolated constant voltage colorful light strip controller control circuit according to claim 1, characterized in that: The magic color control module further includes a crystal oscillator X1 and an inductor L1.