Cooling and heating fan with voice function

Abstract

The utility model discloses a cooling and heating fan with a voice function, which is characterized by comprising a fan head, a support, a base and a supporting rod, the fan head is rotatably arranged on the support, the support is rotatably arranged on the supporting rod, the supporting rod is fixed on the base, and a fan motor, a heating body and fan blades are arranged on the fan head; a starting circuit is arranged in the support and comprises a transformer, a rectifier diode and a filter capacitor, the primary end of the transformer is connected with an alternating-current power source, the secondary end of the transformer is connected with the rectifier diode and the filter capacitor, the rectifier diode is connected with the secondary end of the transformer in series, and the filter capacitor is connected with the secondary end of the transformer in parallel. The starting circuit provides starting voltage for the fan motor. According to the cooling and heating fan, the direct-current motor is adopted as the fan motor, more wind speed gears are provided, after the heating body is started, the fan motor enters the low gear, the wind speed of the fan is reduced, and comfortable warm wind is blown out.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, especially in a kind of cold and warm fan with voice function. BACKGROUND

[0002] Cold and warm fan is a kind of electric fan that can blow cold wind, can also blow hot wind.For example, the Chinese patent with announcement number CN218093498U discloses a cold and warm dual-purpose circulating fan, which comprises a front mesh cover, an air duct, a fan blade, a rear mesh cover and a motor.The air duct is in the shape of a ring-shaped cylinder and is connected between the front mesh cover and the rear mesh cover.The fan blade is located in the space enclosed by the front mesh cover, the air duct and the rear mesh cover.The motor is arranged on the rear mesh cover and is in transmission connection with the fan blade.The inner wall of the air duct is provided with an electric heating body.The cold and warm fan can realize hot air blowing by starting the electric heating body and the motor, and can realize cold air blowing by starting the motor alone.

[0003] Generally, the fan motor of cold and warm fan is an alternating-current motor, and the fan has fewer adjustable gears.The wind speed is still too fast at low gear, resulting in that the blown warm wind is not warm enough. SUMMARY

[0004] The utility model aims at providing a cold and warm fan with voice function, which uses a direct-current motor as fan motor, has more wind speed gears, and can reduce the wind speed of fan motor after starting the heating body to blow comfortable warm wind.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a cold and warm fan with voice function, comprising a fan head, a support, a base and a supporting rod, wherein the fan head is rotatably arranged on the support, the support is rotatably arranged on the supporting rod, the supporting rod is fixed on the base, and the fan head is provided with a fan motor, a heating body and a fan blade;an starting circuit is arranged in the support, the starting circuit comprises a transformer, a rectifier diode and a filter capacitor, the primary end of the transformer is connected with an alternating-current power supply, the secondary end of the transformer is connected with the rectifier diode and the filter capacitor, the rectifier diode is connected in series with the secondary end of the transformer, the filter capacitor is connected in parallel with the secondary end of the transformer, and the starting circuit provides starting voltage for the fan motor.

[0006] The utility model further provides that the fan motor is a brushless direct-current motor.

[0007] The utility model further provides that the starting circuit is provided with two rectifier diodes, which are rectifier diode D2 and rectifier diode D3, rectifier diode D2 and D3 are connected in series, and the starting circuit further comprises an inductor L1, which is connected in series with rectifier diode D2 and D3.

[0008] The utility model discloses further provide: the filter capacitance number that starting circuit is equipped with is two, respectively filter capacitance CE1, filter capacitance CE2, filter capacitance CE1 and CE2 are parallelly connected in transformer's secondary end and with inductance L1 interval setting.

[0009] The utility model discloses further provide: the primary end of transformer has the capacitor CX1 and resistance R20, R21 in parallel, resistance R20 and resistance R21 are connected in series, the primary end of transformer is connected with fuse F1, thermistor NT1, and has the voltage-dependent resistor VR1 in parallel.

[0010] The utility model discloses further provide: be equipped with touch panel on the support, and the touch panel has integrated display screen, and the display screen can show timing time, air volume gear, real -time temperature, high temperature and low temperature.

[0011] The utility model discloses further provide: the fixed frame is equipped in the fan head, and the fixed frame sets up between the fan blade and motor, and the fixed frame is annular and sets up, and the heating body is circumferentially arranged on the fixed frame.

[0012] The utility model discloses further provide: the back of fan head is equipped with the head shaking component, and the head shaking component includes first motor, first transmission block and first crank, and the first transmission block is sleeved on the output shaft of first motor, and the first transmission block and first crank transmission cooperation, and the first rotation block is equipped on the upper portion of support, and the other end of first crank is fixed on the first rotation block, and first crank drives the first rotation block and rotate along the center of circle relative to the support.

[0013] The utility model discloses further provide: the second rotation block is fixedly arranged at the bottom of support, and the vertical shaft is fixedly arranged at the top of support rod, and the second rotation block is rotatably sleeved on the vertical shaft, and the second motor and second transmission block are arranged at the bottom of support, and the second transmission block is sleeved on the output shaft of second motor, and the second transmission block is inserted into the slot of second rotation block.

[0014] The utility model discloses further provide: the circuit board is equipped in the support, and the MCU and voice chip are equipped on the circuit board, and the MCU and voice chip are connected with data, and the voice chip generates digital signal and sends to the MCU to the voice information received, so that the cool and warm fan can carry out voice dialogue control each function.

[0015] Compared with the prior art, the utility model has the following beneficial effects: 1, the cool and warm fan adopts the DC motor as the fan motor, has more wind speed gear, can start the heating body, and the fan motor enters the low gear, reduces the wind speed of fan, and blows the comfortable warm air, 2, the cool and warm fan is provided with voice chip, so that the cool and warm fan can realize each function by voice control, 3, the cool and warm fan can shake the head up and down and left and right. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of a cool and warm fan with voice function in an embodiment.

[0017] Figure 2 is a sectional view of a cool and warm fan with voice function in an embodiment.

[0018] Figure 3 is an exploded view of a fan head of a cool and warm fan with voice function in an embodiment.

[0019] Figure 4 is an upper bracket assembly view of a cool and warm fan with voice function in an embodiment.

[0020] Figure 5 is a lower bracket assembly view of a cool and warm fan with voice function in an embodiment.

[0021] Figure 6 is a circuit schematic diagram of a starting circuit in an embodiment.

[0022] Figure 7 is a control circuit schematic diagram of a cool and warm fan with voice function in an embodiment.

[0023] Figure 8 is a fan motor drive circuit diagram of a cool and warm fan with voice function in an embodiment.

[0024] In the figure: 100, fan head; 200, bracket; 300, support rod; 400, base; 101, fan blade; 102, fan motor; 103, heating body; 104, fixing frame; 201, touch panel; 202, display screen; 203, first motor; 204, first transmission block; 205, first crank; 206, first rotating block; 207, second motor; 208, second transmission block; 209, second rotating block; 210, circuit board; 211, first limiting block; 212, second limiting block; 301, vertical shaft. DETAILED DESCRIPTION

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model. It should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present 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, and therefore should not be construed as a limitation of the present utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] like Figures 1-7 As shown, a voice-activated hot and cold fan includes: a fan head 100, a bracket 200, a support rod 300, and a base 400. The fan head 100 is mounted on the bracket 200, the bracket 200 is rotatably mounted on the support rod 300, and the support rod 300 is fixed to the base 400. The fan head 100 is equipped with a fan motor 102, a heating element 103, and fan blades 101. Meanwhile, a circuit board 210 is provided inside the bracket 200, and the circuit board 210 is equipped with a control circuit to control and drive the hot and cold fan to operate.

[0027] In this embodiment, the fan motor 102 is preferably a 24V / 20W brushless DC motor, which can be adjusted to twelve speeds in both heating and cooling fan modes, with the highest speed being 6.0 m / s. When the heating element 103 is turned on for heating, the speed can be adjusted to a low setting, with the lowest setting being 2.0 m / s or even lower, to produce comfortable warm air.

[0028] The bracket 200 is equipped with a starting circuit. The starting circuit applies a certain voltage to the fan motor 102 to start the fan motor 102. The starting circuit includes a transformer, a rectifier diode and a filter capacitor. The primary end of the transformer is connected to an AC power supply. The secondary end of the transformer is connected to the rectifier diode and the filter capacitor. The filter capacitor is connected in parallel with the secondary end of the transformer. The rectifier diode is connected in series with the secondary end of the transformer. The starting circuit provides the starting voltage for the fan motor.

[0029] Figure 6For the starting circuit diagram in the embodiment, the starting circuit includes transformer L2, rectifier diodes D2, D3, filter capacitors CE1, CE2, the input end of the starting circuit is connected with 220V AC power supply, the primary end of transformer L2 is connected with capacitors CX1 and resistors R20, R21 in parallel respectively, the secondary end of transformer L2 is connected with rectifier diodes D2, D3, rectifier diode D3 is connected with inductor L1, inductor L1 is connected with the output end, filter capacitors CE1 and CE2 are arranged in parallel between the secondary end of transformer L2 and inductor L1 respectively; preferably, the output voltage of the starting circuit in the embodiment is 310V.

[0030] Preferably, in order to ensure the circuit safety of the starting circuit, a fuse F1 and a thermistor NT1 are connected with the primary end of transformer L2, and a voltage-dependent resistor VR1 is connected in parallel with the primary end of transformer L2.

[0031] Figure 7 For the control circuit schematic diagram in the embodiment, the MCU output signal drives the functions of the cooling and heating fan, such as the functions of turning on / off, fan rotation, up and down shaking, left and right shaking, heating and the like; as shown in Figure 7 , the MCU output signal Heat controls the relay to turn on the heating body 103, so that the cooling and heating fan switches between high and low temperature, the heating body 103 is powered by AC mains to generate heat in low heat, and the heating body 103 is powered by the starting circuit to generate heat in high heat.

[0032] As shown in Figure 1 , in the embodiment, a touch panel 201 is arranged on the main body of the support 200, and the touch panel 201 is provided with touch buttons which can input signals by touch; in some embodiments, the touch buttons of the control panel are 6 keys; at the same time, the touch panel 201 is integrated with a display screen 202, and the display screen 202 can display the timing time, the air volume gear, the real-time temperature, the high temperature and the low temperature.

[0033] As shown in Figure 2 , Figure 3 , in the embodiment, a fixing frame 104 is arranged in the fan head 100, the fixing frame 104 is arranged between the fan blade 101 and the fan motor 102, and the fixing frame 104 is arranged in a ring shape, and the heating body 103 is arranged on the fixing frame 104 in a circumferential direction.

[0034] In the embodiment, the fan head 100 can repeatedly shake up and down relative to the support 200, as shown in Figure 4As shown, the fan head 100 back is provided with a swing head assembly, the swing head assembly includes a first motor 203, a first transmission block 204 and a first crank 205, the first transmission block 204 is sleeved on the output shaft of the first motor 203, the first transmission block 204 and the first crank 205 are drivingly matched, a first rotating block 204 is arranged on the upper portion of the support 200, the other end of the first crank 205 is fixed on the first rotating block 204, the first crank 205 drives the first rotating block 204 to rotate along the center of the circle relative to the support 200, in some other embodiments, a first limiting block 211 is arranged on the first rotating block 204, the swing angle of the fan head 100 is limited; in this way, the first motor 203 can drive the fan head 100 to swing up and down repeatedly relative to the support 200 by repeatedly forward and reverse rotation.

[0035] In the embodiment, the support 200 can swing left and right relative to the support rod 300 repeatedly, as shown in the figure, Figure 5 As shown, the bottom of the support 200 is fixedly provided with a second rotating block 209, the top end of the support rod 300 is fixedly provided with a vertical shaft 301, the second rotating block 209 is rotatably sleeved on the vertical shaft 301, meanwhile, the bottom of the support 200 is provided with a second motor 207 and a second transmission block 208, the upper portion of the second transmission block 208 is sleeved on the output shaft of the second motor 207, the protrusion of the lower portion of the second transmission block 208 is inserted into the slot of the second rotating block 209, the second transmission block 208 drives the second rotating block 209 to rotate around the vertical shaft 301, in some other embodiments, a second limiting block 211 is arranged on the second rotating block 209, the swing angle of the support 200 is limited; in this way, the second motor 207 can drive the support 200 to swing left and right relative to the support rod 300 repeatedly by repeatedly forward and reverse rotation.

[0036] Optionally, the first rotating block 206 and / or the second rotating block 209 is a circular rotating block.

[0037] As shown in the figure, Figure 2 , Figure 7 As shown, a circuit board 210 is arranged in the support 200, the circuit board 210 is provided with an MCU and a voice chip, the MCU and the voice chip are connected through an interface, the voice chip generates a digital signal by receiving voice information and transmits the digital signal to the control chip, so that the cool and warm fan can have a voice dialogue to control all functions of the cool and warm fan.

[0038] As shown in the figure, Figures 7-8 The MCU outputs a signal to control the output current of the MOS tube driving circuit to control the rotation of the fan motor 102, and adjusts the rotation speed of the fan motor 102 through the PWM signal of the MCU, so as to adjust the gear.

[0039] Optionally, a wireless module is arranged on the circuit board 210, the wireless module is signal connected with the control chip, and each function of the cool and warm fan can be realized through wireless remote control by using a remote controller.

[0040] The above merely describes preferred embodiments of the present application, and thus equivalent changes or modifications made in accordance with the structure, features and principles described in the patent application scope of the present application are included in the patent application scope of the present application.

Claims

1. A cool and warm fan with voice function, characterized in that: The application relates to a fan head, a support, a base and a supporting rod, the fan head is rotatably arranged on the support, the support is rotatably arranged on the supporting rod, the supporting rod is fixed on the base, a fan motor, a heating body and fan blades are arranged on the fan head, a starting circuit is arranged in the support, the starting circuit comprises a transformer, rectifier diodes and filter capacitors, the primary end of the transformer is connected with an alternating current power supply, the secondary end of the transformer is connected with the rectifier diodes and the filter capacitors, the rectifier diodes are connected in series with the secondary end of the transformer, the filter capacitors are connected in parallel with the secondary end of the transformer, and the starting circuit provides starting voltage for the fan motor. The fan motor is a brushless direct current motor.

2. A cool and warm fan with voice function according to claim 1, characterized in that: The number of the rectifier diodes arranged in the starting circuit is two, which are rectifier diode D2 and rectifier diode D3, the rectifier diode D2 and the rectifier diode D3 are connected in series, the starting circuit further comprises an inductor L1, and the inductor L1 is connected in series with the rectifier diodes D2 and D3.

3. A cool and warm fan with voice function according to claim 1, characterized in that: The number of the filter capacitors arranged in the starting circuit is two, which are filter capacitor CE1 and filter capacitor CE2, the filter capacitors CE1 and CE2 are respectively connected in parallel at the secondary end of the transformer and are arranged in intervals with the inductor L1.

4. A cool and warm fan with voice function according to claim 3, characterized in that: The primary end of the transformer is respectively connected in parallel with a capacitor CX1 and resistors R20 and R21, the resistor R20 is connected in series with the resistor R21, the primary end of the transformer is connected with a fuse F1 and a thermistor NT1, and is connected in parallel with a voltage-dependent resistor VR1.

5. A cool and warm fan with voice function according to claim 4, characterized in that: A touch panel is arranged on the support, a display screen is integrated on the touch panel, and the display screen can display timing time, air volume position, real-time temperature, high temperature and low temperature.

6. The cooling and heating fan with voice function according to claim 1, characterized in that: A fixing frame is arranged in the fan head, the fixing frame is arranged between the fan blades and the fan motor, the fixing frame is arranged in a ring shape, and the heating body is arranged on the fixing frame in a circumferential direction.

7. The cooling and heating fan with voice function according to claim 1, characterized in that: A head-shaking assembly is arranged at the back of the fan head, the head-shaking assembly comprises a first motor, a first transmission block and a first crank, the first transmission block is sleeved on the output shaft of the first motor, the first transmission block and the first crank are in transmission cooperation, a first rotating block is arranged on the upper portion of the support, the other end of the first crank is fixed on the first rotating block, and the first crank drives the first rotating block to rotate along the center of the circle relative to the support.

8. The cooling and heating fan with voice function according to claim 1, characterized in that: A second rotating block is fixedly arranged at the bottom of the support, a vertical shaft is fixedly arranged at the top end of the supporting rod, the second rotating block is rotatably sleeved on the vertical shaft, a second motor and a second transmission block are arranged at the bottom of the support, the second transmission block is sleeved on the output shaft of the second motor, and the second transmission block is inserted into the groove of the second rotating block.

9. The cooling and heating fan with voice function according to claim 1, characterized in that: A circuit board is arranged in the support, an MCU and a voice chip are arranged on the circuit board, the MCU and the voice chip are in data connection, the voice chip generates digital signals from received voice information and transmits the digital signals to the MCU, so that the cold and warm fan can control various functions through voice conversation.

10. The cooling and heating fan with voice function according to claim 1, characterized in that: ​

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