Constant current power supply control system
By designing a constant current power control system, NFC technology is used to achieve convenience in parameter configuration, the problem of lack of flexibility and customization in traditional dimming systems is solved, and the effect of high precision and remote control is achieved.
Patent Information
- Application Number
- CN202421974022.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The traditional 0-10V dimming system lacks flexibility and customizability, and is difficult to adapt to the personalized needs of different users, and there are limitations in dimming accuracy and remote control capabilities.
A constant current power control system is designed, using upper computers, NFC readers and NFC control units, which realizes the convenience of parameter configuration through NFC technology, and supports the 0-10V analog dimming brightness, linear or logarithmic curves and flexible control of maximum current.
The convenience of parameter configuration is realized, and users can freely configure dimming parameters through software without direct physical contact, which improves operation convenience and supports high-precision and remote control.
Smart Images
Figure CN222981704U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting control, and more specifically, to a constant current power supply control system. Background Art
[0002] At present, in modern lighting control systems, 0-10V dimming technology is often adopted due to its simplicity and wide compatibility. However, traditional 0-10V dimming systems usually lack flexibility and customizability. For example, different lamps may require different starting points and dimming curves, while traditional systems usually only provide fixed configurations and are not easily adaptable to the personalized needs of different users.
[0003] In addition, traditional dimming systems mainly rely on physical connections and simple analog signal control, which to a certain extent limits their development in dimming accuracy and remote control capabilities. Therefore, there is a need to develop a new type of dimming control system that can provide higher flexibility and customizability, and at the same time support remote operation and high-precision control.
[0004] In response to the problems in the related art, no effective solutions have been proposed yet. Summary of the Utility Model
[0005] In response to the problems in the related art, the utility model proposes a constant current power supply control system to overcome the above technical problems existing in the existing related art.
[0006] To this end, the specific technical solutions adopted by the utility model are as follows:
[0007] A constant current power supply control system includes a host computer, an NFC reader / writer, and an NFC control unit. The host computer is electrically connected to the NFC control unit through the NFC reader / writer. Among them, the host computer is used to write data into the user storage area of the NFC control unit through the NFC reader / writer. The NFC control unit is used to read data and control the starting point, linear logarithmic curve, and maximum current of 0-10V analog dimming.
[0008] Furthermore, the NFC control unit communicates with the NFC reader / writer through RF.
[0009] Further, the NFC control unit includes NFC chip U2, microcontroller unit U3, resistor R3, resistor R5, resistor R6, capacitor C2, capacitor C3, and capacitor C7. Among them, the fourth pin of NFC chip U2 is grounded; the fifth pin of NFC chip U2 is connected to one end of resistor R5 and the second pin of microcontroller unit U3 respectively; the sixth pin of NFC chip U2 is connected to one end of resistor R3 and the first pin of microcontroller unit U3 respectively; the seventh pin of NFC chip U2 is connected to one end of resistor R6; the eighth pin of NFC chip U2 is connected to one end of capacitor C2, one end of capacitor C3, and the positive power supply VCC respectively; the other ends of resistor R3, resistor R5, and resistor R6 are connected to each other and to the positive power supply VCC; the other end of capacitor C2 is connected to the other end of capacitor C3 and grounded; the seventh pin of microcontroller unit U3 is connected to one end of capacitor C7 and grounded; the ninth pin of microcontroller unit U3 is connected to the other end of capacitor C7 and to the positive power supply VCC.
[0010] Further, the model of NFC chip U2 is ST25DV04K. The voltage of the positive power supply VCC is 5V. The resistances of resistor R3, resistor R5, and resistor R6 are all 4.7 kΩ.
[0011] The beneficial effects are as follows: The utility model can not only freely configure parameters such as the starting point of lighting, dimming curve (linear or logarithmic), and maximum current through the host computer software, but also enable parameter configuration without direct physical contact through NFC technology, improving the convenience of operation, and having broad application prospects and practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0013] Figure 1 is a structural block diagram of a constant current power supply control system according to an embodiment of the present invention;
[0014] Figure 2 is a schematic diagram of the principle of a constant current power supply control system according to an embodiment of the present invention;
[0015] Figure 3 is a circuit diagram of the NFC control unit in a constant current power supply control system according to an embodiment of the present invention.
[0016] In the figure:
[0017] 1. Host computer; 2. NFC reader / writer; 3. NFC control unit. Detailed implementation manners
[0018] To further illustrate each embodiment, the present utility model provides drawings. These drawings are part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can cooperate with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0019] According to an embodiment of the present utility model, a constant current power supply control system is provided.
[0020] Now, the present utility model will be further described in conjunction with the drawings and specific implementation manners. As Figures 1 - 3 shown, the constant current power supply control system according to an embodiment of the present utility model includes a host computer 1, an NFC reader / writer 2, and an NFC control unit 3. The host computer 1 is electrically connected to the NFC control unit 3 through the NFC reader / writer 2, and RF communication is carried out between the NFC control unit 3 and the NFC reader / writer 2. Among them, the host computer 1 is used to write data into the user storage area of the NFC control unit 3 through the NFC reader / writer 2; the NFC control unit 3 is used to read data and control the starting point of 0-10V analog dimming, the linear logarithmic curve, and the maximum current.
[0021] In one embodiment, the NFC control unit includes an NFC chip U2, a microcontroller unit U3, a resistor R3, a resistor R5, a resistor R6, a capacitor C2, a capacitor C3, and a capacitor C7. Among them, the fourth pin of the NFC chip U2 is grounded; the fifth pin of the NFC chip U2 is respectively connected to one end of the resistor R5 and the second pin of the microcontroller unit U3; the sixth pin of the NFC chip U2 is respectively connected to one end of the resistor R3 and the first pin of the microcontroller unit U3; the seventh pin of the NFC chip U2 is connected to one end of the resistor R6; the eighth pin of the NFC chip U2 is respectively connected to one end of the capacitor C2, one end of the capacitor C3, and the positive power supply VCC; the other ends of the resistor R3, the resistor R5, and the resistor R6 are connected to each other and connected to the positive power supply VCC; the other end of the capacitor C2 is connected to the other end of the capacitor C3 and grounded; the seventh pin of the microcontroller unit U3 is connected to one end of the capacitor C7 and grounded; the ninth pin of the microcontroller unit U3 is connected to the other end of the capacitor C7 and connected to the positive power supply VCC.
[0022] In one embodiment, the model of the NFC chip U2 is ST25DV04K. The voltage of the positive power supply VCC is 5V. The resistances of the resistor R3, the resistor R5, and the resistor R6 are all 4.7 kΩ.
[0023] In this embodiment, U2 is an NFC chip with the model number ST25DV04K, which is used to store the user's custom configuration data. During the configuration phase, the user can write the required parameters into the user storage area of the chip through an NFC reader / writer. During the startup phase, the MCU can read these data from the NFC chip, thereby adjusting the dimming characteristics to meet the user's requirements. U2 plays a role in data storage and interaction.
[0024] U3 is a microcontroller unit (MCU), which is responsible for reading the data in the NFC chip and adjusting the characteristics of 0-10V dimming according to these data, such as the starting point, dimming curve type (linear or logarithmic), and maximum current. During the configuration phase, the MCU communicates with U2 through the NFC interface, receives and stores the parameters set by the user. During the startup phase, the MCU reads these parameters and adjusts the dimming characteristics accordingly, achieving flexible control of 0-10V analog signal dimming. U3 acts as the core control role in the entire system.
[0025] In summary, with the above technical solution of the present invention, the present invention can not only freely configure parameters such as the starting point, dimming curve (linear or logarithmic), and maximum current through the host computer software, but also make the parameter configuration without direct physical contact through NFC technology, improving the convenience of operation, and having broad application prospects and practical value.
[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A constant current power supply control system, characterized in that: It comprises a host computer (1), an NFC reader / writer (2) and an NFC control unit (3), wherein the host computer (1) is electrically connected to the NFC control unit (3) via the NFC reader / writer (2); The host computer (1) is used to write data into the user storage area of the NFC control unit (3) through the NFC reader / writer (2); the NFC control unit (3) is used to read the data and control the starting point, linear logarithmic curve and maximum current of the 0-10V analog dimming.
2. A constant current power supply control system according to claim 1, characterized in that: The NFC control unit (3) communicates with the NFC reader / writer (2) via RF.
3. A constant current power supply control system according to claim 1, characterized in that: The NFC control unit includes an NFC chip U2, a microcontroller unit U3, a resistor R3, a resistor R5, a resistor R6, a capacitor C2, a capacitor C3 and a capacitor C7; Among them, the fourth pin of the NFC chip U2 is grounded, the fifth pin of the NFC chip U2 is respectively connected to one end of the resistor R5 and the second pin of the microcontroller unit U3, the sixth pin of the NFC chip U2 is respectively connected to one end of the resistor R3 and the first pin of the microcontroller unit U3, the seventh pin of the NFC chip U2 is connected to one end of the resistor R6, and the eighth pin of the NFC chip U2 is respectively connected to one end of the capacitor C2, one end of the capacitor C3 and the positive electrode VCC of the power supply; The other end of the resistor R3, the other end of the resistor R5 and the other end of the resistor R6 are connected to each other and to the positive power supply VCC, and the other end of the capacitor C2 is connected to the other end of the capacitor C3 and is grounded; The seventh pin of the microcontroller unit U3 is connected to one end of the capacitor C7 and is grounded, and the ninth pin of the microcontroller unit U3 is connected to the other end of the capacitor C7 and is connected to the positive electrode VCC of the power supply.
4. A constant current power supply control system according to claim 3, characterized in that: The model of the NFC chip U2 is ST25DV04K.
5. A constant current power supply control system according to claim 3, characterized in that: The voltage of the positive electrode VCC of the power supply is 5V.
6. A constant current power supply control system according to claim 3, characterized in that: The resistance of the resistor R3 , the resistor R5 , and the resistor R6 are all 4.7 kΩ.