LED control circuit of electric fireplace

By designing the LED control circuit for electric fireplaces, and combining the cyclical movement of the reflective components driven by a motor with the light source module inside the fireplace cavity, the problem of insufficient light source brightness in existing electric fireplaces has been solved, achieving a more realistic flame effect and higher brightness, thus enhancing the aesthetics and heating experience of electric fireplaces.

CN224265145UActive Publication Date: 2026-05-19ZHONGSHAN CHUANGFENGDA ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN CHUANGFENGDA ELECTRONICS CO LTD
Filing Date
2025-04-16
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing electric fireplaces only use one set of light sources to simulate the effect of flames, which limits the brightness and fails to meet users' demands for enhanced aesthetics. Furthermore, they cannot fully illuminate the entire fireplace, thus reducing the user experience.

Method used

The circuit design employs a combination of a power supply module, a main control module, an electric heating module, a motor module, a first light source module, and a second light source module. The motor drives the reflective components to move in a cyclical manner, and the second light source module inside the furnace cavity provides illumination, thereby enhancing brightness and flame effect.

Benefits of technology

It enhances the aesthetics and brightness of the electric fireplace, simulating a brighter flame effect and improving the user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224265145U_ABST
    Figure CN224265145U_ABST
Patent Text Reader

Abstract

The utility model discloses an LED control circuit of an electric fireplace. The LED control circuit comprises a power supply module, a main control module, an electric heating module, a motor module, a first light source module and a second light source module, the power module is connected with an external power supply; the main control module is connected with the power supply module; the electric heating module is respectively connected with the power supply module and the main control module and is used for generating heat; the motor module is respectively connected with the power supply module and the main control module and used for driving the reflective component to circularly move; the first light source module is connected with the power module and the master control module and used for providing a reflective light source. The second light source module is arranged in the furnace chamber, is connected with the power supply module and the main control module and is used for providing a lighting source; through the circuit, not only can the ornamental value of the electric fireplace be improved, but also the brightness in the fireplace chamber can be increased, so that a brighter flame effect is simulated, a higher-temperature impression effect is brought, and the use requirement is met.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electric fireplaces, and in particular to an LED control circuit for an electric fireplace. Background Technology

[0002] Electric fireplaces, as a type of household electric heating appliance, are characterized by being clean and hygienic, safe and reliable, easy to install and remove, and having a high combustion efficiency. Compared with wood-burning and gas fireplaces, electric fireplaces do not produce unavoidable soot, strange odors, or noise from the flames. In addition, electric fireplaces not only save on heating costs but also bring an elegant aesthetic effect, allowing you to safely and conveniently enjoy the warmth and comfort they provide.

[0003] Existing electric fireplaces use artificial firewood models and a motor to drive a rotating reflective component to reflect light from a source, simulating the effect of flames. Most importantly, they include an electric heating element to provide warmth. However, these fireplaces only use one light source to simulate the burning effect, which is insufficient as users increasingly demand more aesthetically pleasing fireplaces. Furthermore, the brightness of the artificial flame produced by a single light source is limited, failing to fully illuminate the entire fireplace and diminishing the user experience. Therefore, there is an urgent need for an LED control circuit for electric fireplaces to address these issues. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an LED control circuit for an electric fireplace.

[0005] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: an LED control circuit for an electric fireplace, including a power supply module, a main control module, an electric heating module, a motor module, a first light source module, and a second light source module;

[0006] The power module is connected to an external power source;

[0007] The main control module is connected to the power supply module;

[0008] The electric heating module is connected to both the power supply module and the main control module to generate heat.

[0009] The motor module is connected to the power module and the main control module respectively, and is used to drive the reflective components to move in a cycle.

[0010] The first light source module is connected to the power supply module and the main control module respectively, and is used to provide a reflective light source;

[0011] The second light source module is located inside the furnace cavity and is connected to both the power supply module and the main control module to provide lighting.

[0012] As one of the preferred embodiments of this utility model, the first light source module includes a plurality of first driving modules and a plurality of first light strips. The input end of the first driving module is connected to the main control module, the power supply end of the first light strip is connected to the power supply module, and the control end is connected to the output end of the first driving module. The first light strip is located at the rear end of the reflector.

[0013] As one of the preferred embodiments of this utility model, the first driving module includes resistor R35, resistor R36 and MOSFET Q5. One end of resistor R35 is connected to the main control module, and the other end of resistor R35 is connected to the gate of MOSFET Q5 and one end of resistor R36. The drain of MOSFET Q5 is connected to the first lamp strip, and the other end of resistor R36 and the source of MOSFET Q5 are connected to the GND terminal.

[0014] As one of the preferred embodiments of this utility model, the second light source module includes several second driving modules and several second light strips. The input end of the second driving module is connected to the main control module, the power supply end of the second light strip is connected to the power supply module, and the control end is connected to the output end of the second driving module. The second light strip is located inside the furnace cavity.

[0015] As one of the preferred embodiments of this utility model, the second driving module includes resistor R23, resistor R24 ​​and MOSFET Q1. One end of resistor R23 is connected to the main control module, and the other end of resistor R23 is connected to the gate of MOSFET Q1 and one end of resistor R24. The drain of MOSFET Q1 is connected to the second lamp strip, and the other end of resistor R24 ​​and the source of MOSFET Q1 are connected to the GND terminal.

[0016] As one of the preferred embodiments of this utility model, an LED control circuit for an electric fireplace further includes a temperature detection module connected to the power supply module and the main control module respectively, for detecting the temperature inside the furnace cavity.

[0017] As one of the preferred embodiments of this utility model, an LED control circuit for an electric fireplace also includes a WIFI module connected to the power supply module and the main control module respectively.

[0018] As one of the preferred embodiments of this utility model, an LED control circuit for an electric fireplace further includes an infrared remote control module that is connected to the power supply module and the main control module respectively.

[0019] As one of the preferred embodiments of this utility model, an LED control circuit for an electric fireplace also includes a speaker module that is connected to the power supply module and the main control module respectively.

[0020] As one of the preferred embodiments of this utility model, an LED control circuit for an electric fireplace also includes a buzzer module that is connected to the power supply module and the main control module respectively.

[0021] The beneficial effects of this utility model are as follows: An LED control circuit for an electric fireplace includes a power supply module, a main control module, an electric heating module, a motor module, a first light source module, and a second light source module. The power supply module is connected to an external power source. The main control module is connected to the power supply module. The electric heating module is connected to both the power supply module and the main control module to generate heat. The motor module is connected to both the power supply module and the main control module to drive the reflective components in a cyclical motion. The first light source module is connected to both the power supply module and the main control module to provide a reflective light source. The second light source module is located inside the fireplace cavity and is connected to both the power supply module and the main control module to provide a lighting source. This circuit not only enhances the aesthetics of the electric fireplace but also increases the brightness inside the fireplace cavity, thereby simulating a brighter flame effect and creating a more intense lighting effect, thus meeting user needs. Attached Figure Description

[0022] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0023] Figure 1 This is a schematic diagram of an LED control circuit for an electric fireplace.

[0024] Figure 2 The circuit principle of the power module;

[0025] Figure 3 The circuit principle of the main control module;

[0026] Figure 4 The circuit principle of the motor module;

[0027] Figure 5 The circuit principle of the first light source module;

[0028] Figure 6 The circuit principle of the second light source module;

[0029] Figure 7 The circuit principle of the electric heating module;

[0030] Figure 8 The circuit principle of the fan module;

[0031] Figure 9 The circuit principle of the temperature detection module;

[0032] Figure 10 The circuit principle of the WIFI module;

[0033] Figure 11 The circuit principle of the speaker module;

[0034] Figure 12 The circuit principle of the buzzer module;

[0035] Figure 13 The circuit principle of the infrared remote control module;

[0036] Figure 14 This describes the circuit principle of a fuse module. Detailed Implementation

[0037] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0038] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0039] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0041] Reference Figures 1 to 14 An LED control circuit for an electric fireplace includes a power supply module 10, a main control module 20, an electric heating module 30, a motor module 40, a first light source module 50, and a second light source module 60.

[0042] Power module 10 is connected to an external power source;

[0043] The main control module 20 is connected to the power supply module 10;

[0044] The electric heating module 30 is connected to the power supply module 10 and the main control module 20 respectively, and is used to generate heat;

[0045] The motor module 40 is connected to the power module 10 and the main control module 20 respectively, and is used to drive the reflective components to move in a cycle.

[0046] The first light source module 50 is connected to the power supply module 10 and the main control module 20 respectively, and is used to provide a reflective light source;

[0047] The second light source module 60 is installed inside the furnace cavity and is connected to the power supply module 10 and the main control module 20 respectively, and is used to provide a lighting source.

[0048] In this utility model, as an embodiment of an electric fireplace, it includes a housing, within which an electric heating structure (electric heating module 30) is installed. Simulated charcoal is positioned at the front end of the housing, a flame imaging screen is positioned behind the simulated charcoal, and a reflective light source is positioned below the simulated charcoal. A light-transmitting plate is also installed inside the housing below the flame imaging screen, with light-transmitting holes on the plate. The reflective light source is located in front of the light-transmitting plate, and a revolving reflective strip (reflective component) is positioned behind the light-transmitting plate. The reflective strip (reflective component) has flame-shaped reflective sheets, and the reflective strip (reflective component) passes through… The transmission mechanism is connected to the motor; the motor drives the reflective strip (reflective component) to project the light emitted by the first light source module 50 through the light-transmitting plate onto the flame imaging screen, thereby creating a realistic flame combustion effect. The electric heating structure (electric heating module 30) provides heat for the user to warm up. Furthermore, by setting a second light source module 60 in the furnace cavity, the light emission effect of the second light source module 60 can be the same as that of the first light source module 50, thereby increasing the brightness of the simulated flame in the furnace cavity. Of course, the light emission effect of the second light source module 60 can be different from that of the first light source module 50, and can be used as a decorative lighting effect.

[0049] Reference Figure 5 In some embodiments, the first light source module 50 includes a plurality of first driving modules 51 and a plurality of first light strips. The input terminal of the first driving module 51 is connected to the main control module 20, the power supply terminal of the first light strip is connected to the power module 10, and the control terminal is connected to the output terminal of the first driving module 51. The first light strip is located at the rear end of the reflector. As a preferred embodiment of the first driving module 51, the first driving module 51 includes a resistor R35, a resistor R36, and a MOSFET Q5. One end of the resistor R35 is connected to the main control module 20, and the other end of the resistor R35 is connected to the gate of the MOSFET Q5 and one end of the resistor R36, respectively. The drain of the MOSFET Q5 is connected to the first light strip, and the other end of the resistor R36 and the source of the MOSFET Q5 are connected to the GND terminal.

[0050] Specifically, the first driving module 51 and the first light strip are both set to 4 groups and correspond one to one. The main control module 20 controls the lighting of the 4 groups of first light strips by controlling the conduction and cutoff of MOSFETs Q5, Q6, Q7 and Q8. The first light strips are evenly distributed at the rear end of the reflective strip as required.

[0051] Reference Figure 6 In some embodiments, the second light source module 60 includes a plurality of second driving modules 61 and a plurality of second light strips. The input terminal of the second driving module 61 is connected to the main control module 20, the power supply terminal of the second light strip is connected to the power module 10, and the control terminal is connected to the output terminal of the second driving module 61. The second light strip is located inside the furnace cavity. As a preferred embodiment of the second driving module 61, the second driving module 61 includes a resistor R23, a resistor R24, and a MOSFET Q1. One end of the resistor R23 is connected to the main control module 20, and the other end of the resistor R23 is connected to the gate of the MOSFET Q1 and one end of the resistor R24, respectively. The drain of the MOSFET Q1 is connected to the second light strip, and the other end of the resistor R24 ​​and the source of the MOSFET Q1 are connected to the GND terminal.

[0052] Specifically, the second drive module 61 and the second light strip are both set to 4 groups and correspond one-to-one. The main control module 20 controls the lighting and turning off of the 4 groups of second light strips by controlling the conduction and cutoff of MOSFETs Q1, Q2, Q3 and Q4. The second light strips are arranged in different positions in the furnace cavity according to the requirements.

[0053] Reference Figure 8 In some embodiments, an LED control circuit for an electric fireplace also includes a fan module 93 connected to the power module 10 and the main control module 20 respectively, for blowing the heat generated by the electric heating module 30 out through the air outlet to provide warmth for the user.

[0054] Reference Figure 9 In some embodiments, an LED control circuit for an electric fireplace further includes a temperature detection module 70 connected to the power supply module 10 and the main control module 20 respectively, for detecting the temperature inside the fireplace cavity; wherein, the temperature detection module 70 feeds back the detected temperature to the control module 20 in real time, and the control module 20 adjusts the working state of the electric heating module 30 in real time to achieve the stabilization of the electric fireplace temperature.

[0055] Reference Figure 10 In some embodiments, an LED control circuit for an electric fireplace also includes a WIFI module 80 connected to the power module 10 and the main control module 20 respectively. The WIFI module 80 can access a WIFI network, and users can control the electric fireplace via an APP or mini-program, improving the convenience of use.

[0056] Reference Figure 11 In some embodiments, an LED control circuit for an electric fireplace further includes a speaker module 91 connected to the power supply module 10 and the main control module 20, respectively. The speaker module 91...

[0057] Reference Figure 12 In some embodiments, an LED control circuit for an electric fireplace also includes a buzzer module 92 connected to the power module 10 and the main control module 20 respectively, which can be used for functions such as sound alarm.

[0058] Reference Figure 13 In some embodiments, an LED control circuit for an electric fireplace also includes an infrared remote control module 90 connected to the power supply module 10 and the main control module 20 respectively, which can receive infrared remote control signals from an infrared remote controller, thereby realizing remote control of the electric fireplace.

[0059] Reference Figure 14 In some embodiments, an LED control circuit for an electric fireplace also includes a fuse module 94 connected to the power module 10 and the main control module 20 respectively, which can cut off the power when the temperature detection module 70 fails and the temperature inside the electric fireplace becomes uncontrollable, so as to avoid the danger caused by the excessive temperature inside the electric fireplace.

[0060] The advantages of this invention are: the circuit described above not only enhances the aesthetics of the electric fireplace, but also increases the brightness inside the fireplace cavity, thereby simulating a brighter flame effect and creating a higher temperature impression, thus meeting the user's needs.

[0061] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. An LED control circuit for an electric fireplace, characterized in that: It includes a power supply module (10), a main control module (20), an electric heating module (30), a motor module (40), a first light source module (50), and a second light source module (60); The power module (10) is connected to an external power source; The main control module (20) is connected to the power supply module (10); The electric heating module (30) is connected to the power supply module (10) and the main control module (20) respectively, and is used to generate heat; The motor module (40) is connected to the power supply module (10) and the main control module (20) respectively, and is used to drive the reflective components to move in a cycle; The first light source module (50) is connected to the power supply module (10) and the main control module (20) respectively, and is used to provide a reflective light source; The second light source module (60) is located inside the furnace cavity and is connected to the power supply module (10) and the main control module (20) respectively, and is used to provide a lighting source.

2. The LED control circuit for an electric fireplace according to claim 1, characterized in that: The first light source module (50) includes several first driving modules (51) and several first light strips. The input end of the first driving module (51) is connected to the main control module (20). The power supply end of the first light strip is connected to the power module (10), and the control end is connected to the output end of the first driving module (51). The first light strip is located at the rear end of the reflector.

3. The LED control circuit for an electric fireplace according to claim 2, characterized in that: The first driving module (51) includes resistor R35, resistor R36 and MOSFET Q5. One end of resistor R35 is connected to the main control module (20), and the other end of resistor R35 is connected to the gate of MOSFET Q5 and one end of resistor R36. The drain of MOSFET Q5 is connected to the first lamp strip, and the other end of resistor R36 and the source of MOSFET Q5 are connected to the GND terminal.

4. The LED control circuit for an electric fireplace according to claim 1, characterized in that: The second light source module (60) includes several second drive modules (61) and several second light strips. The input end of the second drive module (61) is connected to the main control module (20), the power supply end of the second light strip is connected to the power module (10), and the control end is connected to the output end of the second drive module (61). The second light strip is located inside the furnace cavity.

5. The LED control circuit for an electric fireplace according to claim 4, characterized in that: The second driving module (61) includes resistor R23, resistor R24 ​​and MOSFET Q1. One end of resistor R23 is connected to the main control module (20), and the other end of resistor R23 is connected to the gate of MOSFET Q1 and one end of resistor R24. The drain of MOSFET Q1 is connected to the second lamp strip, and the other end of resistor R24 ​​and the source of MOSFET Q1 are connected to the GND terminal.

6. The LED control circuit for an electric fireplace according to claim 1, characterized in that: It also includes a temperature detection module (70) connected to the power module (10) and the main control module (20) respectively, for detecting the temperature inside the furnace cavity.

7. The LED control circuit for an electric fireplace according to claim 1, characterized in that: It also includes a WIFI module (80) that is connected to the power module (10) and the main control module (20) respectively.

8. The LED control circuit for an electric fireplace according to claim 1, characterized in that: It also includes an infrared remote control module (90) that is connected to the power module (10) and the main control module (20) respectively.

9. The LED control circuit for an electric fireplace according to claim 1, characterized in that: It also includes a speaker module (91) that is connected to the power module (10) and the main control module (20) respectively.

10. The LED control circuit for an electric fireplace according to claim 1, characterized in that: It also includes a buzzer module (92) that is connected to the power module (10) and the main control module (20) respectively.