Control circuit of color-changeable knob lamp and induction cooker

By using a rotary encoder and main control module to drive color-changing lamps, the problem of traditional knob lamps being unable to dynamically adjust the light color is solved, enabling intuitive display of the knob angle and gear position, thus improving the user experience.

CN223584374UActive Publication Date: 2025-11-21CHINABEST HOME APPLIANCE
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Patent Information

Application Number
CN202520222527.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-11-21
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Traditional knob lights cannot dynamically adjust the light color according to the knob rotation angle, making it difficult for users to intuitively perceive the current setting and resulting in poor display effects.

Method used

A rotary encoder is used to detect the rotation angle of the knob, and the main control module generates a corresponding drive signal to control the color-changing lamp to emit light of the corresponding color, thereby realizing the dynamic adjustment of the light color.

Benefits of technology

Users can intuitively observe the angle or setting of the knob based on the changes in the light, which improves the indication and display effect and enhances the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lamp control, and particularly discloses a control circuit of a color-changeable knob lamp and an induction cooker. The control circuit of the color-changeable knob lamp comprises a knob module, a main control module and a color-changeable lamp module, and the knob module, the main control module and the color-changeable lamp module are connected in sequence. The knob module comprises a rotary encoder used for being connected with a knob, and the color-changing lamp module comprises a color-changing lamp. The rotary encoder can generate a corresponding encoding signal according to the rotation angle of the rotary knob and send the encoding signal to the main control module, and the main control module is used for sending a corresponding driving signal to the color-changeable lamp according to the encoding signal so as to drive the color-changeable lamp to emit light with the color corresponding to the encoding signal. The light color can be dynamically adjusted according to the rotation angle of the knob, and the indication and display effects are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp control technical field especially a control circuit and electromagnetic range of variable color knob lamp. BACKGROUND

[0002] In the interactive design of the existing household appliances (such as electromagnetic range, oven, electric stove, etc.), as one of the core control components, the knob usually integrates the light display function to improve the operation recognition. However, the traditional knob lamp can only display a single color, and cannot dynamically adjust the light color according to the rotation angle of the knob, resulting in that the user cannot intuitively perceive the current gear (such as temperature, power level, etc.), and the display effect needs to be further improved. SUMMARY

[0003] The utility model provides a control circuit and electromagnetic range of variable color knob lamp can according to the rotation angle of knob to dynamically adjust the light color, improve the indication and display effect.

[0004] To solve the above problems, the utility model adopts the following technical scheme:

[0005] According to the first aspect of the utility model, the embodiment of the utility model provides a control circuit of variable color knob lamp, including knob module, main control module and variable color lamp module, the knob module, main control module and variable color lamp module are sequentially connected;The knob module includes a rotary encoder for being connected with the knob, and the variable color lamp module includes a variable color lamp;The rotary encoder can generate a corresponding encoding signal according to the rotation angle of the knob and send it to the main control module, and the main control module is used for sending a corresponding driving signal to the variable color lamp according to the encoding signal, so as to drive the variable color lamp to emit light of a color corresponding to the encoding signal.

[0006] In some embodiments, the main control module includes a chip SC95F8613B.

[0007] In some embodiments, the knob module further includes a first resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor and a second capacitor;One of the connection ends of the rotary encoder, the fifth resistor and the 21 pin of the chip SC95F8613B are sequentially connected, and the other connection end of the rotary encoder, the fourth resistor and the 17 pin of the chip SC95F8613B are sequentially connected;The two ends of the first resistor are connected with the direct current power supply and one of the connection ends of the rotary encoder respectively, and the two ends of the sixth resistor are connected with the direct current power supply and the other connection end of the rotary encoder respectively;One end of the first capacitor is connected with the other connection end of the rotary encoder, and the other end of the first capacitor is grounded, one end of the second capacitor is connected with one of the connection ends of the rotary encoder, and the other end of the second capacitor is grounded.

[0008] In some embodiments, the variable color lamp includes a plurality of 5050 RGB lamp beads connected in series; in the series direction, the 4 pins of the first 5050 RGB lamp bead are connected with the 22 pins of the chip SC95F8613B, the 2 pins of each 5050 RGB lamp bead except the last one are connected with the 4 pins of the next 5050 RGB lamp bead, and the 2 pins of the last 5050 RGB lamp bead are grounded.

[0009] In some embodiments, a touch key module is further included, and the touch key module includes a plurality of touch keys.

[0010] In some embodiments, a display driving module and a nixie tube module are further included, and the master control module, the display driving module and the nixie tube module are connected in series.

[0011] In some embodiments, an alarm module connected with the master control module is further included.

[0012] In some embodiments, a 433 connection module and a 433 communication module are further included, and the 433 communication module, the 433 connection module and the master control module are connected in series.

[0013] In some embodiments, a WiFi connection module and a WiFi communication module are further included, and the WiFi communication module, the WiFi connection module and the master control module are connected in series.

[0014] According to the second aspect of the utility model, the embodiments of the utility model provide a control circuit of a variable color knob lamp.

[0015] The knob module of the utility model includes a rotary encoder connected with the knob, the rotary encoder can detect the rotation angle of the knob, when the knob rotates, the rotary encoder can generate a corresponding code signal according to the rotation angle of the knob and send the code signal to the master control module, and the master control module can send a corresponding driving signal to the variable color lamp according to the code signal, so as to drive the variable color lamp to emit light of a color corresponding to the code signal. Therefore, the color of the light can be dynamically adjusted according to the rotation angle of the knob, the user can intuitively observe the angle or gear corresponding to the knob, and the indication and display effects are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic diagram of a control circuit of a variable color knob lamp according to an embodiment of the utility model;

[0017] Figure 2 FIG. 2 is a circuit structural schematic diagram of a master control module according to an embodiment of the utility model;

[0018] Figure 3 Circuit structure schematic view of the knob module of an embodiment of the utility model;

[0019] Figure 4 Circuit structure schematic view of the color changeable lamp module of an embodiment of the utility model;

[0020] Figure 5 Circuit structure schematic view of the control circuit of the color changeable knob lamp of another embodiment of the utility model;

[0021] Figure 6 Circuit structure schematic view of the touch button module of an embodiment of the utility model;

[0022] Figure 7 Circuit structure schematic view of the touch button of an embodiment of the utility model;

[0023] Figure 8 Circuit structure schematic view of the display drive module of an embodiment of the utility model;

[0024] Figure 9 Circuit structure schematic view of the nixie tube module of an embodiment of the utility model;

[0025] Figure 10 Circuit structure schematic view of the alarm module of an embodiment of the utility model;

[0026] Figure 11 Circuit structure schematic view of the 433 connection module of an embodiment of the utility model;

[0027] Figure 12 Circuit structure schematic view of the WiFi connection module of an embodiment of the utility model.

[0028] Wherein, the reference signs are:

[0029] Knob module 100, main control module 200, color changeable lamp module 300, touch button module 400, display drive module 500, nixie tube module 600, alarm module 700, 433 connection module 800, WiFi connection module 900. DETAILED DESCRIPTION

[0030] The utility model provides the following description of reference drawings to help comprehensively understand various embodiments of the utility model as defined by the claims and its equivalents. The description includes various specific details to help understanding, but these details should be regarded as just exemplary. Therefore, those skilled in the art will realize that various changes and modifications can be made to various embodiments described herein without departing from the scope and spirit of the utility model.

[0031] In the description of the utility model, it relates to the direction description, for example, the direction or positional relation of the indication such as upper, lower, front, back, left, right is based on the direction or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as a limitation on the utility model.

[0032] It should be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element, or there can be an intervening element (e.g., a third element) between the element and the other element.

[0033] The embodiment of the utility model provides a control circuit of variable color knob lamp, as Figure 1 Shown, including knob module 100, main control module 200 and variable color lamp module 300.Knob module 100, main control module 200 and variable color lamp module 300 are connected in turn.Knob module 100 includes the rotary encoder for being connected with knob, and the rotary encoder can detect the angle of knob rotation.Variable color lamp module 300 includes variable color lamp, and variable color lamp can be according to external control instruction and carry out variable color by oneself.

[0034] When the user rotates the knob, the rotary encoder detects the angle of knob rotation and generates a corresponding encoding signal according to the rotation angle of the knob, which can be output in the form of electrical pulse or other forms, which records the rotation angle of the knob, and the rotary encoder sends the encoding signal to the main control module 200.The main control module 200 is used to send corresponding driving signal to the variable color lamp according to the encoding signal, and the corresponding relationship between the driving signal and the encoding signal can be pre-stored in the main control module 200 in the form of mapping relationship list, and the main control module 200 can determine the driving signal corresponding to the encoding signal according to the mapping relationship, and then send the driving signal to the variable color lamp module 300 to drive the variable color lamp to emit light of the color corresponding to the encoding signal.

[0035] Therefore, the user can intuitively observe the corresponding angle or gear of the knob according to the change of the light, without the need for close observation of the gear information indicated by the knob, the indication effect is better, at the same time, the light is no longer a single color, the display effect is more beautiful, the indication and display effect are improved, and the use experience of the user is improved.

[0036] In some embodiments, as Figure 2 Shown, the main control module includes chip SC95F8613B, and the chip SC95F8613B is an enhanced industrial-grade touch flash microcontroller, has a super-speed CPU kernel, has high energy and high reliability, debugging is very convenient, and also has excellent anti-interference performance.

[0037] Further, as shown in Figure 3 The knob module further includes a first resistor R1, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first capacitor C1 and a second capacitor C2. The rotary encoder has three connection terminals, namely a first connection terminal (1 pin), a second connection terminal (2 pin) and a third connection terminal (3 pin), and the third connection terminal is grounded. The second connection terminal of the rotary encoder, the fifth resistor R5 and the 21 pin of the chip SC95F8613B are connected in sequence, and the first connection terminal of the rotary encoder, the fourth resistor R4 and the 17 pin of the chip SC95F8613B are connected in sequence. The two ends of the first resistor R1 are connected with a direct current power supply (+5V) and the first connection terminal of the rotary encoder respectively, and the two ends of the sixth resistor R6 are connected with the direct current power supply and the second connection terminal of the rotary encoder respectively; one end of the first capacitor C1 is connected with the first connection terminal of the rotary encoder, and the other end of the first capacitor C1 is grounded, one end of the second capacitor C2 is connected with the second connection terminal of the rotary encoder, and the other end of the second capacitor C2 is grounded. The encoding signal generated by the rotary encoder can be input into the chip SC95F8613B through the 21 pin and the 17 pin of the chip SC95F8613B.

[0038] In some embodiments, as shown in Figure 4 The variable color lamp includes a plurality of 5050RGB lamp beads connected in sequence. In the connection direction, the 4 pin of the first 5050RGB lamp bead is connected with the 22 pin of the chip SC95F8613B, the 2 pin of each 5050RGB lamp bead except the last one is connected with the 4 pin of the next 5050RGB lamp bead, and the 2 pin of the last 5050RGB lamp bead is grounded.

[0039] The 22 pin of the chip SC95F8613B outputs corresponding driving signals to drive all the 5050RGB lamp beads to emit the same light. The 5050RGB lamp bead has a built-in control chip, which can control the luminance or conduction time of the R lamp (red lamp), G lamp (green lamp) and B lamp (blue lamp) according to the driving signal, and finally emit light of corresponding color. The control chip can adopt a three-channel LED driving control chip XL-5050, which adopts a unipolar zero protocol, and can automatically reshape and forward the cascaded output signal after receiving the driving signal, thereby reducing the attenuation in the data series transmission process. The specific number of 5050RGB lamp beads can be determined according to the actual needs of the user.

[0040] In some embodiments, as shown in Figure 5As shown, the control circuit of the variable color knob lamp of the embodiment further comprises a touch key module 400, the touch key module 400 comprises a plurality of touch keys, and a user can adjust parameters or select corresponding menus or modes by operating the touch keys, thereby facilitating the user to control an electric appliance such as an electromagnetic oven.

[0041] As shown in Figure 6 and Figure 7 , the touch key module can comprise a driving chip SC92F8462B, and the driving chip SC92F8462B senses the touch keys. The 7th pin to the 12th pin and the 15th pin to the 20th pin of the driving chip SC92F8462B can be connected with a touch key. The 14th pin of the driving chip SC92F8462B is connected with the 26th pin of the chip SC95F8613B, and the 13th pin of the driving chip SC92F8462B is connected with the 25th pin of the chip SC95F8613B, so that the driving chip SC92F8462B can interact with the chip SC95F8613B. When a touch key is touched by a user, the corresponding capacitance value, resistance value or voltage value will change, and the driving chip SC92F8462B can determine whether the touch key is operated by the user according to the change.

[0042] In some embodiments, as shown in Figure 5 , the control circuit of the variable color knob lamp of the embodiment further comprises a display driving module 500 and a nixie tube module 600, and the main control module 200, the display driving module 500 and the nixie tube module 600 are sequentially connected. The nixie tube module 600 comprises a nixie tube, the main control module 200 sends a control signal to the display driving module 500, the display driving module 500 drives the nixie tube to perform corresponding display, and the nixie tube can display corresponding parameters, thereby facilitating human-computer interaction.

[0043] As shown in Figure 8 and Figure 9 , the display driving module can comprise a chip TM1640, the 17th pin of the chip TM1640 is connected with a direct current power supply, and the 6th pin of the chip TM1640 is grounded. The 7th pin of the chip TM1640, a resistor R24 and the 24th pin of the chip SC95F8613B are sequentially connected, the 8th pin of the chip TM1640, a resistor R23 and the 23rd pin of the chip SC95F8613B are sequentially connected. The direct current power supply, a resistor R26 and the 7th pin of the chip TM1640 are sequentially connected, the direct current power supply, a resistor R25 and the 8th pin of the chip TM1640 are sequentially connected. The 7th pin of the chip TM1640, a capacitor C16 and a ground terminal are sequentially connected, and the 8th pin of the chip TM1640, a capacitor C15 and a ground terminal are sequentially connected.

[0044] The 1-5th pin, 18th pin, 19th pin, 23rd pin and 28th pin of the chip TM1640 can be used as bit selection pins, and the 9-16th pin can be used as segment selection pins, so that 9 number tubes can be controlled in total, and the number of the number tubes is determined according to actual needs of users.

[0045] In some embodiments, as shown in Figure 5 The control circuit of the variable color knob lamp further comprises an alarm module 700 connected with the main control module 200, and the alarm module 700 can alarm when an abnormal condition occurs in the circuit or an abnormal condition occurs in the induction cooker, so as to remind the user.

[0046] As shown in Figure 10 The alarm module can comprise a buzzer BZ1, and the 8th pin of the chip SC95F8613B, the DC power supply, the buzzer BZ1 and the resistor R7 are sequentially connected, so as to directly control the buzzer to work through the chip SC95F8613B.

[0047] In some embodiments, as shown in Figure 5 The control circuit of the variable color knob lamp further comprises a 433 connection module 800 and a 433 communication module, and the 433 communication module, the 433 connection module 800 and the main control module 200 are sequentially connected.

[0048] Through the 433 communication module, the smoke range can be linked with the range hood to work, so that the induction cooker is more intelligent.

[0049] As shown in Figure 11 The 433 connection module comprises an interface RF1 and a triode Q1, the interface RF1 is connected with the 433 communication module, the 2nd pin of the interface RF1, the resistor R37 and the 13th pin of the chip SC95F8613B are sequentially connected, and the base of the triode Q1, the resistor R39 and the 12th pin of the chip SC95F8613B are sequentially connected, so that the 433 communication module and the chip SC95F8613B perform data transmission.

[0050] In some embodiments, as shown in Figure 5 The control circuit of the variable color knob lamp further comprises a WiFi connection module 900 and a WiFi communication module, and the WiFi communication module, the WiFi connection module 900 and the main control module 200 are sequentially connected.

[0051] Through the WiFi communication module, the induction cooker can be remotely controlled, and the intelligent degree of the induction cooker is improved.

[0052] As shown in Figure 12As shown, the WiFi connection module comprises an interface CN8 connected with the WiFi communication module, the 3th pin of the interface CN8, the resistor R66 and the 16th pin of the chip SC95F8613B are connected in sequence, the 4th pin of the interface CN8, the resistor R65 and the 18th pin of the chip SC95F8613B are connected in sequence, so that the WiFi communication module and the chip SC95F8613B carry out data transmission.

[0053] The embodiment of the utility model further provides a kind of electromagnetic oven, including the control circuit of variable color knob lamp of any embodiment described above. The specific description of the control circuit of variable color knob lamp can refer to the above embodiment, and here will not be repeated.

[0054] The terms and words used in the above description and claims are not limited by the literal meaning, but are merely used by the applicant to enable a clear and consistent understanding of the present utility model. Therefore, it should be clear to those skilled in the art that the above description of various embodiments of the present utility model is only for illustration, not for limitation of the present utility model as defined by the appended claims and their equivalents.

Claims

1. A control circuit for a color-changing rotary lamp, characterized in that: The system includes a knob module, a main control module, and a color-changing light module, which are connected sequentially. The knob module includes a rotary encoder for connecting to the knob, and the color-changing light module includes a color-changing light fixture. The rotary encoder generates a corresponding encoded signal based on the rotation angle of the knob and sends it to the main control module. The main control module sends a corresponding drive signal to the color-changing light fixture based on the encoded signal, so as to drive the color-changing light fixture to emit light of a color corresponding to the encoded signal.

2. The control circuit for the color-changing rotary lamp according to claim 1, characterized in that: The main control module includes the SC95F8613B chip.

3. The control circuit for the color-changing rotary lamp according to claim 2, characterized in that: The knob module also includes a first resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor, and a second capacitor; one connection terminal of the rotary encoder, the fifth resistor, and pin 21 of the SC95F8613B chip are sequentially connected, and the other connection terminal of the rotary encoder, the fourth resistor, and pin 17 of the SC95F8613B chip are sequentially connected; the two ends of the first resistor are respectively connected to a DC power supply and one connection terminal of the rotary encoder, and the two ends of the sixth resistor are respectively connected to a DC power supply and the other connection terminal of the rotary encoder; one end of the first capacitor is connected to the other connection terminal of the rotary encoder, and the other end of the first capacitor is grounded; one end of the second capacitor is connected to one connection terminal of the rotary encoder, and the other end of the second capacitor is grounded.

4. The control circuit for the color-changing rotary lamp according to claim 2, characterized in that: The color-changing lamp includes multiple 5050RGB LEDs connected in series. In the series connection direction, pin 4 of the first 5050RGB LED is connected to pin 22 of the SC95F8613B chip. Pin 2 of each of the other 5050RGB LEDs except the last one is connected to pin 4 of the next 5050RGB LED. Pin 2 of the last 5050RGB LED is grounded.

5. The control circuit for the color-changing rotary lamp according to any one of claims 1-4, characterized in that: It also includes a touch button module, which includes multiple touch buttons.

6. The control circuit for the color-changing rotary lamp according to any one of claims 1-4, characterized in that: It also includes a display driver module and a digital tube module, which are connected in sequence.

7. The control circuit for the color-changing rotary lamp according to any one of claims 1-4, characterized in that: It also includes an alarm module connected to the main control module.

8. The control circuit for the color-changing rotary lamp according to any one of claims 1-4, characterized in that: It also includes a 433 connection module and a 433 communication module, which are connected sequentially to the main control module.

9. The control circuit for the color-changing rotary lamp according to any one of claims 1-4, characterized in that: It also includes a WiFi connection module and a WiFi communication module, which are connected in sequence to the main control module.

10. An induction cooker, characterized in that: Includes the control circuit for the color-changing rotary lamp as described in any one of claims 1-9.