CN218062706U - Device for self-adapting temperature to rotating speed of ceiling fan - Google Patents

Abstract

The application relates to a device for self-adapting to the rotating speed of a ceiling fan, which comprises a hanging rod, wherein one end of the hanging rod is provided with the ceiling fan, the hanging rod is provided with a motor for driving the ceiling fan to rotate, and a temperature detection module is used for detecting the temperature of the environment nearby the ceiling fan in real time and converting a temperature signal into an electric signal; the MCU control module is electrically connected with the temperature detection module and is used for receiving and responding to the electric signal, processing the electric signal and generating a control signal for controlling the rotating speed of the motor; the motor driving module is electrically connected with the MCU control module and the motor of the ceiling fan, and the motor driving module is used for responding to the control signal and adjusting the rotating speed of the motor of the ceiling fan. This application has the slew velocity that can control the ceiling fan according to ambient temperature automatically regulated ceiling fan, improves the convenience of ceiling fan operation, and then improves the effect that user's use was experienced.

Description

Device for self-adapting temperature to rotating speed of ceiling fan

Technical Field

The utility model belongs to the technical field of the technique of ceiling fan equipment and specifically relates to a device of temperature self-adaptation ceiling fan rotational speed is related to.

Background

In modern life, the ceiling fan is a good air supply device, when in use, the ceiling fan can provide cool natural air in a corresponding space without closing doors and windows or closing a closed space, is particularly suitable for large-area air supply in the center and is popular with people. In the time of the summer of inflammation, a lot of places all like to use the ceiling fan to come the cool speed, utilize the ceiling fan to drive indoor air cycle, reduce indoor temperature, and the rotational speed of ceiling fan is fast the radiating effect better more.

However, when utilizing the ceiling fan to cool down among the correlation technique, it is higher just to begin indoor temperature usually, generally can drive the ceiling fan to maximum gear and realize rapid cooling, nevertheless when indoor temperature reduces the back, need manually turn down the ceiling fan rotational speed again, and the operation is inconvenient, and when forgetting to the rotational speed of turning down the ceiling fan after the temperature reduction, leads to the people to catch a cold easily, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

Need manually adjust the slew velocity of ceiling fan when different temperatures in order to improve current ceiling fan for the operation of ceiling fan is comparatively inconvenient, influences the phenomenon that user's use was experienced, the utility model provides a device of temperature self-adaptation ceiling fan rotational speed.

The utility model provides a pair of device of temperature self-adaptation ceiling fan rotational speed adopts following technical scheme:

a device for self-adapting the rotating speed of a ceiling fan comprises a hanging rod, wherein one end of the hanging rod is provided with the ceiling fan, the hanging rod is provided with a motor for driving the ceiling fan to rotate,

the temperature detection module is used for detecting the temperature of the environment near the ceiling fan in real time and converting a temperature signal into an electric signal;

the MCU control module is electrically connected with the temperature detection module and is used for receiving and responding to the electric signal, processing the electric signal and generating a control signal for controlling the rotating speed of the motor;

the motor driving module is electrically connected with the MCU control module and the motor of the ceiling fan, and the motor driving module is used for responding to the control signal and adjusting the rotating speed of the motor of the ceiling fan.

By adopting the technical scheme, when the ceiling fan is used, the motor drives the ceiling fan to rotate, so that the air nearby is driven to flow, the temperature nearby the ceiling fan is reduced, and the ceiling fan is quickly cooled; in the circuit, temperature detection module real-time detection ceiling fan near temperature information, change the temperature signal into the signal of telecommunication of being convenient for transmission processing, the signal of telecommunication of temperature sends to MCU control module in, MCU control module handles the signal of telecommunication, compare the temperature signal of telecommunication with preset temperature threshold, judge the ambient temperature state, and then generate the control signal who is used for controlling motor speed and send to motor drive module, motor drive module responds to the actual rotational speed that control signal output equidimension not is used for control motor, realize making the ceiling fan can be according to the slew velocity of ambient temperature automatically regulated self, manual operation's step has been reduced, the convenience of use has been improved, thereby reduced and led to catching a cold probably because of forgetting to turn down the slew velocity of ceiling fan, user experience has been improved.

Preferably, the motor driving module is electrically connected with a rectifying module for converting alternating current into direct current, an input end of the rectifying module is electrically connected with an external power supply, and an output end of the rectifying module is electrically connected with the motor driving module.

By adopting the technical scheme, the input end of the rectifier module is connected to the mains supply, the mains supply is alternating current, and most of electronic elements in the circuit are direct current, so that the alternating current is converted into the direct current through the rectifier module to be normally used by the circuit.

Preferably, the rectifier module is further electrically connected with an MCU power supply module for supplying power to the MCU control module, the MCU power supply module includes a voltage reduction unit for reducing voltage and a voltage stabilization unit electrically connected with the voltage reduction unit, the input end of the voltage reduction unit is electrically connected with the output end of the rectifier module, and the output end of the voltage stabilization unit is electrically connected with the MCU control module and the temperature detection module, respectively.

By adopting the technical scheme, when the circuit is connected with the mains supply, because the voltage required by the chip and the electronic element in the circuit is lower than 220V, the voltage reduction unit in the MCU power supply module is electrically connected with the rectifier module, so that larger direct current is converted into voltage and current for the MCU chip and the like, the electronic element in the circuit is protected, and meanwhile, the voltage stabilization unit is electrically connected with the voltage reduction unit for stabilizing the voltage in the circuit and further protecting the circuit.

Preferably, the MCU control module is electrically connected with an infrared detection module, the infrared detection module is used for detecting whether people exist nearby the ceiling fan and outputting a detection signal, and when the infrared detection module detects that people exist, the rotation speed of the ceiling fan is increased.

By adopting the technical scheme, the infrared detection module is used for detecting whether people exist nearby the ceiling fan when the ceiling fan is used, and a detection signal of whether people exist is uploaded to the MCU control module, the MCU control module processes the detection signal through a preset program, and when people exist nearby the ceiling fan, the MCU control module improves the rotation speed of the ceiling fan and accelerates air circulation; when no one is near the ceiling fan, the MCU control module reduces the rotation speed of the ceiling fan and reduces the energy consumption, thereby being convenient for the MCU control module to automatically adjust the rotation speed of the ceiling fan according to whether a person uses the ceiling fan or not,

preferably, the suspension rod is provided with a controller for controlling the rotation speed of the motor, the controller is positioned above the ceiling fan, and the controller is electrically connected with the motor.

Through adopting above-mentioned technical scheme, when needs adjust the ceiling fan, usable remote controller carries out being connected of signal with the controller, and then adjusts the slew velocity of ceiling fan through controller control motor.

Preferably, a temperature detection sensor for detecting the ambient temperature is arranged on the controller, and the temperature detection sensor is electrically connected with the controller.

Through adopting above-mentioned technical scheme, when the ceiling fan rotates the during operation, the ambient temperature near temperature detection sensor real-time detection ceiling fan is used for expressing indoor ambient temperature to in time convert ambient temperature into the signal of telecommunication and send to the controller, utilize the controller to handle the signal of telecommunication of temperature, and then make the controller can be according to the slew velocity of ambient temperature automatically regulated ceiling fan.

Preferably, the bottom of jib is provided with the infrared detection sensor who is used for detecting whether someone near the ceiling fan, infrared detection sensor is located the below of ceiling fan, just infrared detection sensor with controller electric connection.

By adopting the technical scheme, when the ceiling fan works, the infrared detection sensor detects whether people exist nearby the ceiling fan, and if people exist, the infrared detection sensor sends a detection signal to the controller, so that the controller controls the rotation speed of the ceiling fan to be increased, and the air flowing speed in the environment is increased; when no person is detected, the controller controls the motor to reduce the rotation speed of the ceiling fan, and the consumption of electric energy is reduced.

Preferably, the motor is a stepless speed regulating motor.

By adopting the technical scheme, the motor is set to be the stepless speed regulating motor, so that when the temperature detection module detects that the temperature of the ceiling fan is continuously changed, the rotating speed of the ceiling fan can be quickly adjusted, and the adjustable range of the ceiling fan is enlarged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ceiling fan can automatically change the rotating speed of the motor according to the ambient temperature, so that the intelligent control of the ceiling fan is realized, and the ceiling fan is more convenient to use;

2. the ceiling fan can control different rotating speeds according to the change of the temperature, so that the ceiling fan cannot continuously work at a high rotating speed, and the silencing effect of the fan is improved.

Drawings

FIG. 1 is a schematic view of the overall structure in the present embodiment;

FIG. 2 is a circuit diagram of a control circuit in the present embodiment;

fig. 3 is a circuit diagram of a rectifying module in the present embodiment;

FIG. 4 is a circuit diagram of the MCU power supply module in the present embodiment;

fig. 5 is a circuit diagram of the MCU control module, the temperature detection module, and the infrared detection module in this embodiment.

Description of the reference numerals: 1. a boom; 2. a ceiling fan; 3. a motor; 4. a controller; 41. a temperature detection sensor; 5. an infrared detection sensor; 6. a rectification module; 61. a protection unit; 62. a rectifying unit; 7. the MCU power supply module; 71. a voltage reduction unit; 72. a voltage stabilization unit; 8. an MCU control module; 81. a mode selection unit; 9. a temperature detection module; 10. an infrared detection module; 111. and a motor driving module.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The utility model provides a device of 2 rotational speeds of temperature self-adaptation ceiling fan, refers to fig. 1, including installing in the jib 1 on the roof, the ceiling fan 2 is installed to the one end that the roof was kept away from to jib 1, still installs on the jib 1 and is used for driving ceiling fan 2 pivoted motor 3, and in this embodiment, motor 3 is stepless speed regulating motor. The lateral wall of the suspender 1 is provided with a controller 4 for controlling the rotating speed of the motor 3, the controller 4 is positioned above the ceiling fan 2, and the output end of the controller 4 is electrically connected with the motor 3. Install the temperature detection sensor 41 that is used for detecting ambient temperature in the controller 4, temperature detection sensor 41 and controller 4 electric connection, temperature detection sensor 41 turns into the signal of telecommunication and sends controller 4 with temperature signal, and controller 4 receives the signal of telecommunication of temperature detection sensor 41 to respond to the signal of telecommunication and export the control signal of regulation and control motor 3 slew velocity to motor 3, and then control ceiling fan 2's slew velocity.

Referring to fig. 1, an infrared detection sensor 5 for detecting the existence of a person near a ceiling fan 2 is installed at one end of a suspender 1, the infrared detection sensor 5 is located at one end of the suspender 1 far away from a roof, the infrared detection sensor 5 is located below the ceiling fan 2, the infrared detection sensor 5 is electrically connected with a controller 4, and the infrared detection sensor 5 detects that a detection signal is sent to the controller 4 when a person exists near the ceiling fan 2, so that the rotation speed of the ceiling fan 2 is increased; when no one is present, the rotation speed of the ceiling fan 2 is reduced.

Referring to fig. 1 and 2, the controller 4 is electrically connected to a control circuit for regulating and controlling the rotation speed of the motor 3, and the control circuit includes a rectifying module 6 for rectifying an external power source.

Referring to fig. 2 and 3, the input end of the rectifier module 6 is electrically connected to the zero line, the live line and the ground line of the three-phase power supply, respectively, the rectifier module 6 includes a protection unit 61 and a rectifier unit 62, wherein the protection unit 61 includes a fuse F1, the fuse F1 is electrically connected to the live line of the rectifier module 6, and in this embodiment, the fuse F1 is a square fuse. Electrically connected with is used for carrying on the voltage clamp in the rectifier module 6, absorbs the piezo-resistor RV1 of unnecessary current, and piezo-resistor RV 1's both ends electric connection respectively is in rectifier module 6's live wire and zero line, and when overvoltage appeared between live wire and the zero line, piezo-resistor RV1 restricted the voltage between live wire and the zero line to sensitive element in the protection circuit.

Referring to fig. 3, the protection unit 61 further includes a capacitor C1 electrically connected between the live line and the neutral line in the rectifier module 6, and the capacitor C1 is used for suppressing EMI and playing a role of filtering. A resistor R2 and a resistor R3 for discharging the capacitor C1 are also electrically connected between the live wire and the zero line in the rectifying module 6, and when voltage exists between the live wire and the zero line, the capacitor C1 is in a charging state; when no voltage exists between the live wire and the zero wire, the capacitor C1 is in a discharging state, so the resistor R2 and the resistor R3 consume the electric energy on the capacitor C1. The live wire and the zero line are also electrically connected with an inductor L2 for suppressing interference, in this embodiment, the inductor L2 is a four-pin common mode inductor, the live wire and the zero line are respectively and electrically connected to pins 1 and 2 of the inductor L2, and pins 3 and 4 of the inductor L2 are output pins.

Referring to fig. 3, the rectifying unit 62 includes a rectifier bridge BD1 for converting a direct current into an alternating current, pins 3 and 4 of the inductor L2 are electrically connected to an input end of the rectifier bridge BD1, respectively, an anode output end of the rectifier bridge BD1 is electrically connected to an output end HV after being connected in series with a diode D1, a cathode output end of the rectifier bridge BD1 is grounded, and a capacitor EC1 and a capacitor EC2 are connected in parallel between the anode output end and the cathode output end of the rectifier bridge BD1 for performing a filtering process on an output end of the rectifier bridge BD 1. And a capacitor C2 is electrically connected between the ground wire and the ground.

Referring to fig. 2 and 4, the rectifier module 6 is electrically connected to an MCU power supply module 7, the MCU power supply module 7 is used for converting the voltage level into a voltage level adapted to the control chip, an input terminal of the MCU power supply module 7 is electrically connected to an output terminal of the rectifier module 6, an output terminal of the MCU power supply module 7 is electrically connected to a temperature detection module 9, an infrared detection module 10 and an MCU control module 8, and the temperature detection module 9 and the infrared detection module 10 are electrically connected to the MCU control module 8, respectively.

Referring to fig. 4, in particular, the MCU power supply module 7 includes a voltage dropping unit 71 for converting a large voltage into a small voltage that can be used by elements in the circuit, and a voltage stabilizing unit 72 for outputting a stable voltage and current, wherein an input terminal of the voltage dropping unit 71 is electrically connected to an output terminal of the rectifier bridge BD1, and an output terminal of the voltage dropping unit 71 is electrically connected to the voltage stabilizing unit 72. The voltage-reducing unit 71 includes a voltage-reducing chip U3, and the voltage-stabilizing unit 72 includes a voltage-stabilizing chip U4. And a diode D3 and a common-mode inductor L3 are electrically connected between the input end of the voltage reduction chip U3 and the output end of the rectifier bridge BD1, so that interference is reduced, and the output end of the voltage reduction chip U3 is electrically connected with the input end of the voltage stabilizing chip U4.

Referring to fig. 5, the mcu control module 8 is configured to receive the detection signals from the temperature detection module 9 and the infrared detection module 10, and output a control signal for adjusting the rotation speed of the motor 3 in response to the detection signals. Specifically, the MCU control module 8 includes an MCU chip U1 and a peripheral circuit electrically connected to the periphery of the MCU chip U1, and in this embodiment, the MCU chip U1 is selected to be an AT89C51 chip.

Referring to fig. 5, the MCU control module 8 is electrically connected to a mode selection unit 81 for controlling a control mode of the ceiling fan 2, the mode selection unit 81 includes a button K1, a button K2 and a button K3, one ends of the button K1, the button K2 and the button K3 are electrically connected to pins P1.1, P1.2 and P1.3 of the MCU chip U1, respectively, and one ends of the button K1, the button K2 and the button K3 are grounded, so that the corresponding pins of the MCU chip U1 are controlled to be at a low level by pressing different buttons, and the control mode of the ceiling fan 2 is selected to be a manual mode or an automatic mode.

Referring to fig. 5, the temperature detection module 9 includes a temperature detection chip U2, the model of the temperature detection chip U2 is DS18B20, a power pin of the temperature detection chip U2 is electrically connected to the output end of the MCU power supply module 7, a data bus pin of the temperature detection chip U2 is electrically connected to the P1.0 pin of the MCU chip U1, and a voltage ground pin of the temperature detection chip U2 is grounded, in this embodiment, a resistor R1 is electrically connected between the power pin and the data bus pin of the temperature detection chip U2.

Referring to fig. 5, the temperature detection module 9 is configured to detect the ambient temperature near the ceiling fan 2 in real time, convert the temperature signal into an electrical signal and transmit the electrical signal to the MCU chip U1, and the MCU chip U1 processes the electrical signal sent by the temperature detection module 9, compares the ambient temperature with a preset temperature threshold, and determines the temperature state near the ceiling fan 2. When the ambient temperature exceeds the temperature threshold, the rotation speed of the motor 3 is increased; when the ambient temperature is lower than the temperature threshold, the rotation speed of the motor 3 is reduced, and then the rotation speed of the motor 3 is automatically adjusted according to the difference of the ambient temperature.

Referring to fig. 5, the infrared detection module 10 includes a human body infrared detection chip U5 for detecting whether a person exists near the ceiling fan 2, in this embodiment, the model of the human body infrared detection chip U5 is DYP-ME003, a power pin of the human body infrared detection chip U5 is electrically connected to an output end of the MCU power supply module 7, an output pin of the human body infrared detection chip U5 is electrically connected to a base of the transistor Q1 after being connected to the resistor R5 in series, the transistor Q1 is an NPN-type transistor, an emitter of the transistor Q1 is grounded, and a collector electrode of the transistor Q1 is electrically connected to a P1.4 pin of the MCU chip U1 after being connected to the resistor R3 in series. When the human infrared detection chip U5 detects that the ceiling fan 2 has a person, the fact that the ceiling fan 2 is used by the person is indicated, the human infrared detection chip U5 can output a high level, the voltage between the base electrode and the emitting electrode of the triode Q1 reaches the conduction voltage of the triode Q1, the triode Q1 is in a conduction state, namely the IO port is grounded, the MCU chip U1 reads a low level signal from the IO port, the rotation speed of the control motor 3 is accelerated, when people withdraw from the detection range, the output end of the human infrared detection chip U5 is at a low level, the triode Q1 is turned off, the MCU chip U1 reads a high level signal from the IO control couple, the rotation speed of the MCU chip U1 for controlling the motor 3 is reduced, and the consumption of electric energy is reduced.

Referring to fig. 2, the MCU power supply module 7 is electrically connected to the motor driving module 111, the power end of the motor driving module 111 is electrically connected to the rectifying module 6, the output end of the motor driving module 111 is electrically connected to the motor 3, the motor driving module 111 is configured to respond to the control signal output by the MCU control module 8 to drive the motor 3 to rotate, and different control signals are output to the motor 3 to adjust the rotation speed of the motor 3.

In this embodiment, the motor driving module 111 includes a driving chip U6 and a peripheral circuit electrically connected to the driving chip U6, and the driving chip U6 is electrically connected to the motor 3 and outputs control signals corresponding to different rotation speeds to the motor 3.

The implementation principle of the application is as follows: when the ceiling fan 2 is used, the control mode of the ceiling fan 2 can be adjusted to be a manual mode and an automatic mode through the mode selection unit 81, when the ceiling fan 2 is in the automatic mode, because the temperature detection module 9 is positioned above the ceiling fan 2, when the ceiling fan 2 is operated, the surrounding air is sucked and blown from top to bottom, therefore, the temperature detection module 9 can detect the ambient temperature near the ceiling fan 2 in real time, the ambient temperature is sent to the MCU chip U1, the temperature electric signal sent by the MCU chip U1 to the temperature detection module 9 is compared with the preset temperature threshold value, and then the MCU chip U1 outputs different control signals to the motor drive module 111, the motor drive module 111 controls the rotating speed of the motor 3, and therefore the ceiling fan 2 can automatically change the rotating speed of the ceiling fan 2 according to the ambient temperature.

In addition, when the ceiling fan 2 is in an automatic state, the infrared detection module 10 detects whether a person exists near the ceiling fan 2, and when the person exists, the infrared detection module 10 sends a corresponding detection signal to the MCU chip U1, so that the MCU chip U1 outputs a control signal to the motor driving module 111, the rotating speed of the motor 3 is increased, and the indoor air flowing speed is increased; when the existence of no person is detected, the motor driving module 111 controls the rotation speed of the motor 3 to be reduced, and accordingly power consumption is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a device of temperature self-adaptation ceiling fan rotational speed, includes jib (1), the one end of jib (1) is provided with ceiling fan (2), be provided with on jib (1) and be used for the drive ceiling fan (2) pivoted motor (3), its characterized in that:

the temperature detection module (9), the temperature detection module (9) is used for detecting the temperature of the environment near the ceiling fan (2) in real time and converting the temperature signal into an electric signal;

the MCU control module (8) is electrically connected with the temperature detection module (9), and the MCU control module (8) is used for receiving and responding to the electric signal, processing the electric signal and generating a control signal for controlling the rotating speed of the motor (3);

motor drive module (111), motor drive module (111) with MCU control module (8) electric connection, motor drive module (111) still with motor (3) electric connection of ceiling fan (2), motor drive module (111) are used for responding control signal adjusts the slew velocity of motor (3) of ceiling fan (2).

2. The device for adjusting the rotation speed of a ceiling fan according to claim 1, wherein: the motor driving module (111) is electrically connected with a rectifying module (6) for converting alternating current into direct current, the input end of the rectifying module (6) is electrically connected with an external power supply, and the output end of the rectifying module (6) is electrically connected with the motor driving module (111).

3. The apparatus of claim 2, wherein the ceiling fan rotation speed is adaptive to the temperature of the ceiling fan, and the apparatus further comprises: rectifier module (6) still electric connection have be used for MCU power module (7) of MCU control module (8) power supply, MCU power module (7) including be used for reducing voltage step-down unit (71) and with step-down unit (71) electric connection's steady voltage unit (72), the input of step-down unit (71) with rectifier module's (6) output electric connection, the output of steady voltage unit (72) respectively with MCU control module (8) and temperature detection module (9) electric connection.

4. The apparatus of claim 3, wherein the ceiling fan rotation speed is adapted to the temperature of the ceiling fan, and the apparatus further comprises: MCU control module (8) electric connection has infrared detection module (10), infrared detection module (10) are used for detecting near ceiling fan (2) whether someone exists and output detected signal, work as when infrared detection module (10) detect someone exists, ceiling fan (2) slew velocity improves.

5. The device for adjusting the rotation speed of a ceiling fan according to claim 1, wherein: the ceiling fan is characterized in that a controller (4) used for controlling the rotating speed of the motor (3) is arranged on the hanging rod (1), the controller (4) is located above the ceiling fan (2), and the controller (4) is electrically connected with the motor (3).

6. The apparatus of claim 5, wherein the ceiling fan rotation speed is adapted to the temperature of the ceiling fan, and the apparatus further comprises: the controller (4) is provided with a temperature detection sensor (41) for detecting the ambient temperature, and the temperature detection sensor (41) is electrically connected with the controller (4).

7. The apparatus of claim 5, wherein the ceiling fan rotation speed is adapted to the temperature of the ceiling fan, and the apparatus further comprises: the bottom of jib (1) is provided with infrared detection sensor (5) that are used for detecting near ceiling fan (2) whether someone, infrared detection sensor (5) are located the below of ceiling fan (2), just infrared detection sensor (5) with controller (4) electric connection.

8. The apparatus of claim 1, wherein the ceiling fan rotation speed is adapted to the temperature of the ceiling fan, and the apparatus further comprises: the motor (3) is a stepless speed regulating motor.

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