Exhaust fan with light adjusting function

By integrating lighting control into the exhaust fan, the problems of limited functionality and complex installation of traditional exhaust fans are solved. This enables flexible lighting control and a simplified installation process, improving the user experience and saving space.

CN223855790UActive Publication Date: 2026-01-30DONGGUAN NINGDONG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520075889.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-01-30
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Traditional exhaust fans have limited functionality and cannot meet the comprehensive environmental control needs of modern families. They are also complex to install, take up space, are inconvenient to maintain, and provide a poor user experience.

Method used

Design an exhaust fan with adjustable lighting, integrating exhaust and lighting functions, and controlled by a remote control. It includes a fan, a main control module, a wireless receiver module, and a lighting module, enabling adjustment of lighting brightness, color temperature, and multiple modes.

Benefits of technology

It simplifies the installation process, reduces costs and wiring complexity, provides flexible lighting control, enhances the user experience, saves indoor space, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of exhaust fans, in particular to an exhaust fan with a light adjusting function, which comprises an exhaust fan and a remote controller, the remote controller comprises a remote control module and a wireless transmitting module, and the exhaust fan comprises a fan, a main control module, a wireless receiving module and a light module. According to the utility model, the lamplight module is additionally arranged in the exhaust fan, and the function that the remote controller controls the brightness, color temperature and various lamplight modes of lamplight is realized, so that flexible illumination control is realized, and a user can freely adjust the brightness and color temperature of the lamplight through the remote controller to adapt to different use scenes and requirements, and can select higher brightness and cold hue; during rest, the brightness can be reduced and the warm tone can be switched, so that a more comfortable lighting environment is provided; and moreover, the exhaust function and the lighting function are integrated in one device, the requirement for installing a plurality of independent devices is reduced, and the practicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust fan technical field especially is a kind of exhaust fan with light adjustment. BACKGROUND

[0002] Traditional exhaust fan is mainly used for the circulation and dehumidification of indoor air, and its function is relatively single, usually only has basic exhaust function.In practical application, users often need to install exhaust fan, lamp panel, switch and other types of equipment in indoor simultaneously to meet different needs.However, this traditional installation method has the following problems:

[0003] Limited function: traditional exhaust fan can only provide exhaust function, and cannot meet the demand of modern family to comprehensive environment control, such as lighting, air quality monitoring, etc.

[0004] Installation is complicated: since multiple independent devices need to be installed respectively, leading to complicated installation process, especially when wiring on ceiling or wall, a large amount of wire and connecting piece need to be handled, increasing construction difficulty and cost.

[0005] Space occupation: the installation of multiple devices occupies more space, affects the indoor aesthetic and layout flexibility.

[0006] Maintenance is inconvenient: the existence of multiple independent devices makes daily maintenance and overhaul more complicated, users need to check the working state of each device one by one, increasing maintenance cost and time.

[0007] Poor user experience: traditional exhaust fan lacks intelligent control and feedback mechanism, users cannot intuitively understand the working state of the device, and the use experience is poor.

[0008] 3. Domestic status and challenges

[0009] On domestic market, although there are some improved exhaust fan products, most of them still stay in the primary stage of function expansion, and cannot fundamentally solve the above problems.For example, some products increase simple light function, i.e.simple lighting, without flexible control function, so the use is still not convenient enough. SUMMARY

[0010] The utility model provides a kind of exhaust fan with light adjustment to the prior art problem, can exhaust, also has lighting function, and can be controlled by remote controller, use more flexible and convenient.

[0011] In order to solve the above technical problems, the utility model discloses the following technical scheme: a kind of exhaust fan with light adjustment, including exhaust fan and remote controller, the remote controller includes remote control module and wireless transmitting module, the exhaust fan includes fan, main control module, wireless receiving module and light module;

[0012] The wireless transmitting module is signal connected with remote control module, and the remote control signal of remote control module is sent by the wireless transmitting module;

[0013] The fan, wireless receiving module, light module are signal connected with the main control module;The wireless receiving module of the exhaust fan receives the remote control signal sent from wireless transmitting module, and the received signal is transmitted to the main control module;The main control module controls the light module work and controls the fan to open or close according to the received remote control signal;

[0014] The light module includes lamp control unit and main light source, and the control end of the lamp control unit is connected with the main control module, and the lamp control unit is used to control the brightness, brightness and color temperature of main light source according to the PWM control signal of main control module.

[0015] Preferably, it further includes power module, and the remote controller further includes power supply processing module, and the power supply processing module is used to convert the voltage of power module into the voltage for the operation of remote control module;The input end of the lamp control unit is connected with the power module, and is used to convert the power supply voltage of power module into the working voltage of main light source.

[0016] Preferably, the main light source is provided with at least two, and the lamp control unit is correspondingly provided with at least two, and the color temperature or color of different main light sources is different.

[0017] Preferably, the lamp control unit includes lamp controller U5, resistor R26, resistor R29 and output unit, the output end of the power module is connected with the power supply end of lamp controller U5 through resistor R26, the output end of lamp controller U5 is connected with the power supply end of main light source through the output unit, and is used to power supply for the main light source;The control end of lamp controller U5 is connected with the main control module through resistor R29, and the main control module is used to provide PWM control signal for lamp controller U5 to control the brightness and color temperature of main light source.

[0018] Preferably, the remote control module comprises a remote controller U3, a key unit and an indicator unit, the key unit is connected with the I / O port of the remote controller U3, and the indicator unit is connected with the I / O port of the remote controller U3; the indicator unit is bright when the key unit is closed, and the remote controller U3 sends the signal of the key unit through a wireless transmitting module.

[0019] Preferably, the key unit comprises a power key S1, a sleep key S2 and a fan key S5, the indicator unit comprises a power indicator LED1, a sleep indicator LED5 and a fan indicator LED2, the power key S1, the sleep key S2 and the fan key S5 are connected with three I / O ports of the remote controller U3 respectively, and the power indicator LED1, the sleep indicator LED5 and the fan indicator LED2 are connected with the power key S1, the sleep key S2 and the fan key S5 respectively; when the power key S1 is closed, the power indicator LED1 is bright through the remote controller U3; when the sleep key S2 is closed, the sleep indicator LED5 is bright through the remote controller U3; and when the fan key S5 is closed, the fan indicator LED2 is bright through the remote controller U3.

[0020] Preferably, the main control module is GH8RF005, and the remote controller U3 is GH8RF020.

[0021] Preferably, the fan comprises a motor, a switch tube Q2 and a relay K1, the output end of the main control module is connected with the control end of the switch tube Q2, one switch end of the switch tube Q2 is grounded, the other switch end of the switch tube Q2 is connected with one electromagnetic control end of the relay K1, the other electromagnetic control end of the relay K1 is connected with the power module, and the switch end of the relay K1 is used for controlling the opening and closing of the motor.

[0022] Preferably, the chip type of the wireless transmitting module is GH445, and the chip type of the wireless receiving module is HG710.

[0023] The utility model discloses the beneficial effect of:

[0024] The utility model discloses a light module is installed in the exhaust fan, and realizes the function that remote controller controls light intensity, color temperature and various light modes, realizes flexible lighting control, and user can freely adjust the light intensity and color temperature of light through remote controller, adapts to different use scene and demand, can select higher brightness and cold color, can adjust low brightness and switch to warm color when resting, provides more comfortable lighting environment, furthermore, exhaust, lighting function is integrated in one equipment, reduced the demand of installing multiple independent equipment, simplified the installation process, and construction personnel only need to install one equipment, reduced wiring complexity and installation cost, and because all functions are concentrated on the same equipment, the required wire quantity is reduced greatly, avoids the complex wire management and potential safety hazard in traditional installation mode. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is signal block diagram of the utility model;

[0026] Figure 2 It is circuit principle drawing of remote control module of the utility model;

[0027] Figure 3 It is circuit principle drawing of power supply processing module of the utility model;

[0028] Figure 4 It is circuit principle drawing of wireless transmitting module of the utility model;

[0029] Figure 5 It is circuit principle drawing of main control module of the utility model;

[0030] Figure 6 It is circuit principle drawing of wireless receiving module of the utility model;

[0031] Figure 7 It is circuit principle drawing of light module of the utility model;

[0032] Figure 8 It is circuit principle drawing of fan of the utility model;

[0033] Figure 9 It is circuit principle drawing of power supply conversion unit of the utility model.

[0034] In Figures 1 to 9 The reference signs in the drawings include:

[0035] 1 - exhaust fan, 2 - remote controller, 3 - power module, 4 - remote control module, 5 - wireless transmission module, 6 - power supply processing module, 7 - fan, 8 - main control module, 9 - wireless receiving module, 11 - key unit, 12 - indicator light unit, 13 - input rectifier unit, 14 - input filter unit, 15 - output filter unit, 16 - light module, 17 - main light source, 18 - lamp control unit, 19 - output unit. DETAILED DESCRIPTION

[0036] For the convenience of those skilled in the art, the present application is further described below in conjunction with the embodiments and the accompanying drawings. The content mentioned in the embodiments is not a limitation of the present application. The present application is described in detail below in conjunction with the accompanying drawings.

[0037] The exhaust fan 1 provided in the embodiment has a light adjustment function, which comprises an exhaust fan 1 and a remote controller 2. Figures 1 to 9 The remote controller 2 comprises a remote control module 4 and a wireless transmission module 5, and the exhaust fan 1 comprises a fan 7, a main control module 8, a wireless receiving module 9 and a light module 16.

[0038] The wireless transmission module 5 is signal connected with the remote control module 4, and the remote control signal of the remote control module 4 is sent through the wireless transmission module 5; the fan 7, the wireless receiving module 9 and the light module 16 are all signal connected with the main control module 8; the wireless receiving module 9 of the exhaust fan 1 receives the remote control signal sent from the wireless transmission module 5 and transmits the received signal to the main control module 8; the main control module 8 controls the light module 16 to work and controls the fan 7 to open or close according to the received remote control signal; the light module 16 comprises a lamp control unit 18 and a main light source 17, and the control end of the lamp control unit 18 is connected with the main control module 8, and the lamp control unit 18 is used to control the working of the main light source 17 according to the PWM control signal of the main control module 8.

[0039] Specifically, the light module 16 is arranged in the embodiment, the lighting function is integrated with the exhaust function, so that the function of the exhaust fan 1 is more abundant and can better meet the needs of the users. Figure 1 and Figure 7As shown, the main light source 17 of the lighting module 16 in this embodiment can be set to one or more. Different main light sources 17 can have different color temperatures and can be configured with multiple lighting modes, such as normal lighting, night light lighting, RGB lighting mode, etc. The number and type of main light sources 17 can be set according to actual needs. For example, when lighting needs to be turned on, the corresponding lighting switch signal can be sent to the main control module 8 of the exhaust fan 1 via the remote control 2. The main control module 8 then turns on the main light source 17 of the lighting module 16 according to the remote control signal to realize the lighting function. When there are multiple main light sources 17, the desired lighting mode can be selected via the remote control signal, such as selecting the color temperature of the lighting, white light or warm light, or selecting RGB lighting. The main control module 8 can select the lighting mode of the main light source 17 by sending a PWM control signal. This embodiment offers flexible control, has multiple lighting control modules, can meet the needs of more users, adapt to different usage scenarios and requirements, and allows for the selection of higher brightness and cooler color tones.

[0040] In this embodiment, a 20V power supply module 3 is used to power the remote control 2 and the exhaust fan 1. Figure 3 The circuit diagram shown is of the power supply processing module 6 of the remote controller 2. The remote controller 2 converts the voltage of the power supply module 3 into a 3.3V operating voltage through the power supply processing module 6 to power the remote controller 2. The power supply processing module 6 of the remote controller 2 is existing technology and will not be described in detail here.

[0041] like Figure 7 As shown, the lamp control unit 18 includes a lamp controller U5, resistors R26 and R29, and an output unit 19. The output terminal of the power module 3 is connected to the power supply terminal of the lamp controller U5 through resistor R26. The output terminal of the lamp controller U5 is connected to the power supply terminal of the main light source 17 through the output unit 19, and is used to supply power to the main light source 17. The connection principle of the output unit 19 is as follows: Figure 7 As shown, the output voltage is processed by the conduction of the diode and the processing of the current and voltage signals by the inductor; the main control module 8 is connected to the control terminal of the lamp controller U5 through the resistor R29. The main control module 8 is used to provide PWM control signals to the lamp controller U5 to control the brightness and color temperature of the main light source 17.

[0042] Specifically, optional, Figure 7The main light source 17 includes light-emitting diode W1 and light-emitting diode Y1, and the colors of the two main light sources 17 can be different, such as a warm light and a cold light. In operation, the pin 14 and the pin 15 of the main control module 8 respectively send PWM2 and PWM1 signals to control whether the 20V voltage is converted and supplied to the two main light sources 17 and the supply mode, thereby controlling the working mode of the two main light sources 17, such as one bright, one not bright, or both bright, or alternatingly emitting light, etc. The lamp controller U5 and the lamp controller U8 both use the chip of the controller GH733 to realize the processing control of the signals.

[0043] Further, as shown in the figure, Figure 3 The power supply processing module 6 of the remote controller 2 includes an input rectifier unit 13, an input filter unit 14, a voltage stabilizer U1, and an output filter unit 15. The input end of the input rectifier unit 13 is connected with the power supply module 3. The output end of the input rectifier unit 13 is input to the voltage stabilizer U1 after the filtering action of the input filter unit 14. The output end of the voltage stabilizer U1 is output after the output filter unit 15. As shown in the figure, Figure 2 The remote control module 4 of the remote controller 2 includes a remote control controller U3, a key unit 11, and an indicator light unit 12. The model of the remote control controller U3 can be selected as GH8RF020. The key unit 11 is connected with the I / O port of the remote control controller U3. The indicator light unit 12 is connected with the I / O port of the remote control controller U3. When the key unit 11 is closed, the indicator light unit 12 is bright, and the remote control controller U3 sends the signal of the key unit 11 through the wireless transmission module 5. The key unit 11 includes a power key S1, a sleep key S2, and a fan 7 key. The indicator light unit 12 includes a power indicator light LED1, a sleep indicator light LED5, and a fan 7 indicator light. The power key S1, the sleep key S2, and the fan 7 key are respectively connected with three I / O ports of the remote control controller U3. The power indicator light LED1, the sleep indicator light LED5, and the fan 7 indicator light are respectively connected with the power key S1, the sleep key S2, and the fan 7 key. The specific connection mode is shown in the figure. Figure 2 When the power key S1 is closed, the power indicator light LED1 is controlled to be bright by the remote control controller U3. When the sleep key S2 is closed, the sleep indicator light LED5 is controlled to be bright by the remote control controller U3. When the fan 7 key is closed, the fan 7 indicator light is controlled to be bright by the remote control controller U3.

[0044] Specifically, the remote controller 2 of the embodiment adopts a 433 radio frequency link mode. The chip model of the wireless transmission module 5 is GH445, and the chip model of the wireless receiving module 9 is HG710. The circuit principles of the wireless transmission module 5 and the wireless receiving module 9 are shown in the figure.Figure 4 and Figure 6 When the power button S1 is closed, the remote controller U3 receives the signal of the power button S1 being closed, and then controls the power indicator LED1 to light up, and transmits the signal to the wireless receiving module 9 through the wireless transmitting module 5, and the wireless receiving module 9 transmits the received signal to the main control module 8, which in turn works according to the received signal, such as turning on the power, making the fan 7 enter the sleep state, or turning on the fan 7 when the fan 7 button is closed, and performing the exhaust work.

[0045] As Figure 5 and Figure 8 The circuit principle diagram of the main control module 8 and the fan 7 of the embodiment is shown in Figure 5 . The main control module is GH8RF005, the fan 7 includes a motor, a switch tube Q2 and a relay K1, the output end of the main control module 8 is connected with the control end of the switch tube Q2, one switch end of the switch tube Q2 is grounded, the other switch end of the switch tube Q2 is connected with one electromagnetic control end of the relay K1, the other electromagnetic control end of the relay K1 is connected with the power module 3, and the switch end of the relay K1 is used for controlling the opening and closing of the motor. The specific connection mode is shown in Figure 5 . Specifically, when the main control module 8 receives the signal of turning on the fan 7, a signal is provided to the switch tube Q2 to make the switch tube Q2 conductive, and then the relay K1 is powered to close, so that the motor starts to work, and then the fan starts to work to exhaust.

[0046] The specific working principle of the embodiment is as follows:

[0047] 1. A 20V constant voltage power supply is used to supply power to the remote controller 2 and the exhaust fan 1, and the power supply processing module 6 of the remote controller 2 converts the power supply processing into 12V and 3.3V working voltage to supply power to other devices of the remote controller 2. Similarly, the 20V voltage is converted into 5V working voltage by the power supply conversion unit shown in Figure 9 to supply power to the devices of the exhaust fan 1.

[0048] 2. Under the control of the remote controller 2, the exhaust fan 1 works, such as the fan 7 button of the remote controller 2 is pressed, the exhaust fan 1 starts to work, the fan 7 button is disconnected, the exhaust fan 1 stops working, the total power switch is disconnected, the remote controller 2 and the exhaust fan 1 stop working, etc. The working of the exhaust fan 1 can be adjusted according to the actual needs, and the button unit 11 of the remote controller 2 can be further provided with more buttons, which can be set according to the actual needs. The embodiment does not make any limitation.

[0049] 3、The embodiment has a light illumination function, and the light illumination mode can be adjusted through a remote controller, or the light module can be controlled to turn on or off through a general switch, and then the mode is adjusted through the remote controller.

[0050] In the embodiment, the light module is installed in the exhaust fan, the remote controller is used to control the light brightness, color temperature and multiple light modes, flexible illumination control is realized, the user can freely adjust the light brightness and color temperature through the remote controller, different use scenarios and requirements are adapted, high brightness and cold color tone can be selected, low brightness can be adjusted and warm color tone can be switched to when resting, a more comfortable illumination environment is provided, the exhaust and illumination functions are integrated in one device, the need of installing multiple independent devices is reduced, the installation process is simplified, the construction personnel only need to install one device, wiring complexity and installation cost are reduced, the number of required wires is greatly reduced due to the fact that all functions are concentrated on the same device, complex wire management and potential safety hazards in the traditional installation mode are avoided, and compared with the traditional exhaust fan and the lamp panel which need to occupy different positions on the ceiling or wall, the two are combined in the embodiment, indoor space is effectively saved, and room layout is more simple and beautiful.

[0051] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model discloses the above preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art, without departing from the technical scheme range of the utility model, when utilizing the disclosed technical content makes some changes or modifications for equivalent embodiments of equivalent changes, but as long as it does not depart from the technical scheme content of the utility model, according to the utility model technology refers to any simple modification, equivalent change and modification of the above embodiment, which belongs to the range of the technical scheme of the utility model.

Claims

1. An exhaust fan with light adjustment, characterized by: Including exhaust fan and remote controller, the remote controller includes remote control module and wireless transmission module, the exhaust fan includes fan, main control module, wireless receiving module and light module; The wireless transmission module is signal connected with the remote control module, and the remote control signal of the remote control module is sent out through the wireless transmission module; The fan, wireless receiving module and light module are signal connected with the main control module; the wireless receiving module of the exhaust fan receives the remote control signal sent out from the wireless transmission module, and transmits the received signal to the main control module; the main control module controls the light module to work and controls the fan to open or close according to the received remote control signal; The light module includes lamp control unit and main light source, the control end of the lamp control unit is connected with the main control module, and the lamp control unit is used for controlling the main light source to bright, dim, brightness and color temperature according to the PWM control signal of the main control module.

2. The exhaust fan with light adjustment according to claim 1, characterized in that: It also includes a power module, the remote controller also includes a power supply processing module, the power supply processing module is used for converting the voltage of the power module into the voltage for the working of the remote control module; the input end of the lamp control unit is connected with the power module, and is used for converting the power supply voltage of the power module into the working voltage of the main light source.

3. The exhaust fan with light adjustment according to claim 1, characterized in that: The main light source is provided with at least two, the lamp control unit is correspondingly provided with at least two, and the color temperature or color of different main light sources is different.

4. The exhaust fan with light adjustment according to claim 2, characterized in that: The lamp control unit includes lamp controller U5, resistor R26, resistor R29 and output unit, the output end of the power module is connected with the power supply end of the lamp controller U5 through resistor R26, the output end of the lamp controller U5 is connected with the power supply end of the main light source through the output unit, and is used for supplying power for the main light source; the main control module is connected with the control end of the lamp controller U5 through resistor R29, and the main control module is used for providing PWM control signal for the lamp controller U5 to control the brightness and color temperature of the main light source.

5. The exhaust fan with light adjustment according to claim 1, characterized in that: The remote control module includes remote controller U3, key unit and indicator light unit, the key unit is connected with the I / O port of the remote controller U3, and the indicator light unit is connected with the I / O port of the remote controller U3; when the key unit is closed, the indicator light unit is bright, and the remote controller U3 sends out the signal of the key unit through the wireless transmission module.

6. The exhaust fan with light adjustment according to claim 5, characterized in that: The key unit includes a power key S1, a sleep key S2 and a fan key S5, the indicator light unit includes a power indicator light LED1, a sleep indicator light LED5 and a fan indicator light LED2, the power key S1, the sleep key S2 and the fan key S5 are connected with three I / O ports of the remote controller U3 respectively, the power indicator light LED1, the sleep indicator light LED5 and the fan indicator light LED2 are connected with the power key S1, the sleep key S2 and the fan key S5 respectively, when the power key S1 is closed, the power indicator light LED1 is controlled to be bright by the remote controller U3; when the sleep key S2 is closed, the sleep indicator light LED5 is controlled to be bright by the remote controller U3; when the fan key S5 is closed, the fan indicator light LED2 is controlled to be bright by the remote controller U3.

7. The exhaust fan with light adjustment according to claim 5, characterized in that: The model of the main control module is GH8RF005, and the model of the remote controller U3 is GH8RF020.

8. The exhaust fan with light adjustment according to claim 1, characterized in that: The fan includes a motor, a switch tube Q2 and a relay K1, the output end of the main control module is connected with the control end of the switch tube Q2, one switch end of the switch tube Q2 is grounded, the other switch end of the switch tube Q2 is connected with one electromagnetic control end of the relay K1, the other electromagnetic control end of the relay K1 is connected with the power module, and the switch end of the relay K1 is used for controlling the opening and closing of the motor.

9. The exhaust fan with light adjustment according to claim 1, characterized in that: The chip model of the wireless transmitting module is GH445, and the chip model of the wireless receiving module is HG710.