Cooling and heating dual-purpose circulating fan

Abstract

The utility model discloses a cold and hot dual-purpose circulating fan which comprises a fan body and a base, a support is arranged on the base, the support is in a U shape, the fan body is rotatably arranged on the support, a circular air channel is arranged in the fan body, fan blades and a fan motor are arranged in the air channel, and the fan motor is connected with the fan body. The fan blades are in transmission connection with the fan motor through a rotating shaft, and a heating wire is annularly arranged in the circumferential direction of the rotating shaft; the base is provided with a circuit board, the circuit board is electrically connected with the fan motor and the heating wire, and the circuit board outputs signals to control starting and stopping of the fan motor and heating of the heating wire. And the circuit board comprises a main control chip, a power supply module and a wireless module, and the wireless module can perform wireless data communication, so that intelligent home furnishing is realized. The circulating fan adopts the U-shaped support to support the fan body, so that the circulating fan is small in size and can be placed on a bedside table, and occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circulating fans, in particular to a circulating fan for cooling and heating. Background Art

[0002] A circulation fan is a fan that accelerates indoor air convection. It is generally used in air-conditioned rooms and other spaces. It quickly transfers the cold air generated by the air conditioner to every corner of the room through the rapid flow of air, making the room extremely cool and the temperature difference uniform.

[0003] Existing manufacturers have begun to produce dual-purpose circulation fans for heating and cooling in response to user demand. Dual-purpose circulation fans have a heating component installed inside the fan to blow out hot air. In winter, they are used in conjunction with the heating function of the air conditioner to quickly warm up the indoor air. The Chinese patent with the announcement number CN 218093498 U discloses a dual-purpose circulation fan for heating and cooling. An electric heating element is installed on the inner wall of the air duct, which can blow out both cold and hot air, increasing the practicality of the circulation fan.

[0004] However, circulation fans are generally floor-standing, which easily take up space in small-sized commercial housing or relatively small bedrooms. In addition, circulation fans lack networking functions, which is not in line with the current development trend of the Internet of Things. Utility Model Content

[0005] The purpose of the utility model is to provide a circulating fan for both cooling and heating. The circulating fan adopts a U-shaped bracket to support the fan body, so that the circulating fan is compact and can be placed on a bedside table, reducing space occupation. It can be wirelessly connected to the Internet to realize smart home.

[0006] The above technical objectives of the present utility model are achieved through the following technical solutions: a dual-purpose circulating fan for cooling and heating, comprising a fan body and a base, a bracket being provided on the base, the bracket being U-shaped, the fan body being rotatably arranged on the bracket, a circular air duct being provided in the fan body, fan blades and a fan motor being provided in the air duct, the fan blades being connected to the fan motor through a rotating shaft, a heating wire being provided on the circumferential ring of the rotating shaft; the base being provided with a circuit board, the circuit board being electrically connected to the fan motor and the heating wire respectively, the circuit board outputting signals to control the start and stop of the fan motor and the heating of the heating wire.

[0007] By adopting the above technical solution, the U-shaped bracket supports the fan body to reduce the volume of the circulation fan, so that the circulation fan does not take up space. At the same time, the heating wire can blow out hot air, the practicality of the season is wider, and the circuit board control realizes smart home.

[0008] The utility model is further configured as follows: the fan body includes an air inlet cover and an air outlet cover, the air inlet cover and the air outlet cover are respectively semi-cylindrical, and the air inlet cover and the air outlet cover are installed with each other to form a circular air duct.

[0009] The utility model is further configured as follows: an air outlet grille is provided on the air outlet cover, and the air outlet grille is composed of a plurality of ribs extending radially outward from the center of a circle, and the plurality of ribs are arranged at intervals.

[0010] The present invention is further configured as follows: the ribs are arc-shaped, and the extending direction of the ribs is opposite to the rotating direction of the fan blades.

[0011] By adopting the above technical solution, the reverse direction setting can make the blown wind converge into a ring shape, blow farther, and realize air convection circulation over a large distance.

[0012] The present invention is further configured as follows: a grid is provided in the air outlet cover, the grid is provided on the inner side of the air outlet grille, and the grid abuts against the ribs.

[0013] By adopting the above technical solution, the grid can filter tiny particles in the air and refresh the air.

[0014] The utility model is further configured as follows: a fixing frame is provided in the air duct, the fixing frame is provided between the fan blades and the fan motor, the fan motor is provided on the fixing frame, a heating wire is provided in a circumferential ring shape of the fixing frame, and a temperature sensor is provided on the fixing frame.

[0015] The utility model is further configured as follows: the base is provided with a rotating assembly, the base includes a rotating disk and a fixed disk, the fixed disk is provided with a center column, the rotating disk is sleeved on the center column and rotates around the center column relative to the fixed disk, and the rotating assembly drives the rotating disk of the base to rotate left and right.

[0016] The present invention is further configured as follows: the rotating assembly includes a rotating motor and a driving block, the rotating motor is connected to the driving block, the driving block is connected to the rotating disk, and the rotating motor drives the rotating disk to rotate through the driving block.

[0017] The utility model is further configured as follows: a main control chip, a power module and a wireless module are provided on the circuit board; the power module provides power to each module; the main control chip is connected to each module point respectively, and the output signal drives each module to start and run; the wireless module is signal-connected to the main control chip to transmit data signals.

[0018] By adopting the above technical solution, the wireless module enables the circulation fan to perform wireless data communication and realize smart home.

[0019] The utility model is further configured as follows: the wireless module includes a single-chip microcomputer U1, a wireless chip U2, an indicator light RX, an indicator light TX and a buzzer U3; the single-chip microcomputer U1 is signal-connected to the main control chip, the single-chip microcomputer U1 is signal-connected to the wireless chip U2, the single-chip microcomputer U1 is signal-connected to the indicator lights RX and TX; one end of the buzzer U3 is connected to a power supply, and the other end is connected to the collector of the transistor Q1; the base of the transistor Q1 is connected to pin 1 of the single-chip microcomputer U1.

[0020] Compared with the existing technology, the dual-purpose circulating fan of the utility model can blow cold and warm air while using a U-shaped bracket to support the fan body, reducing the volume of the circulating fan, making it more suitable for small-area environments; adding wireless communication function to realize smart home, the grid setting can filter tiny particles in the air and refresh the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 1 is an overall structural diagram of the circulation fan in the embodiment.

[0022] Figure 2 is a cross-sectional view of a circulation fan in the embodiment.

[0023] Figure 3 1 is an exploded view of the fan body in the embodiment.

[0024] Figure 4 2 is a diagram showing the internal structure of the base in the embodiment.

[0025] Figure 5 1 is a block diagram of the wireless function principle on the circuit board in the embodiment.

[0026] Figure 6 is a circuit diagram of the wireless module in the embodiment.

[0027] In the figure: 100, fan body; 101, air duct; 102, fan blades; 103, fan motor; 104, air inlet cover; 105, air outlet cover; 106, air outlet grille; 107, ribs; 108, grid; 109, fixing frame; 110, heating wire; 200, base; 201, bracket; 202, rotating motor; 203, driving block; 204, rotating disk; 205, fixing disk; 206, rotating slot; 207, fixing column; 208, center column; 300, circuit board. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] like Figure 1-3 As shown, this embodiment discloses a circulation fan for both hot and cold purposes, which includes a fan body 100 and a base 200. The base 200 is integrally provided with a bracket 201. The fan body 100 is mounted on the bracket 201. The fan body 100 can swing up and down on the bracket 201 to adjust the direction of the wind force of the circulation fan in the vertical direction; the bracket 201 is U-shaped to support the annular cylindrical fan body 100, and a circular air duct 101 is formed in the fan body 100. Fan blades 102 and a fan motor 103 are sequentially arranged in the air duct 101. The fan motor 103 drives the fan blades 102 to rotate, and a heating wire 110 is arranged between the fan blades 102 and the fan motor 103.

[0030] like Figure 3 As shown, the fan body 100 includes an air inlet cover 104 and an air outlet cover 105. The air inlet cover 104 and the air outlet cover 105 are installed and connected to each other to form a circular air duct 101. In this embodiment, the air outlet cover 105 includes a lower half-circular air duct shell, and the air inlet cover 104 includes an upper half-circular air duct shell. The air outlet cover 105 and the air inlet cover 104 are installed together to form a complete air duct 101.

[0031] like Figure 1 As shown, the air outlet grille 106 of the air outlet cover 105 is composed of a plurality of ribs 107 extending radially outward from the center of the circle. The plurality of ribs 107 are arranged at intervals, and the spacing between the plurality of ribs 107 gradually increases as they extend outward from the center of the circle. The ribs 107 are arc-shaped and extend in the opposite direction of the rotation direction of the fan blades 102.

[0032] A grid 108 is provided on the inner side of the air outlet cover 105 . The grid 108 is provided on the inner side of the air outlet grille 106 and abuts against the plurality of ribs 107 .

[0033] like Figure 2 As shown, a fixing frame 109 is provided in the air duct 101, and the fixing frame 109 is arranged in a ring shape. The fan blades 102 and the fan motor 103 are connected through a rotating shaft. The fixing frame 109 is arranged between the fan blades 102 and the fan motor 103. The fan motor 103 is fixedly installed on the fixing frame 109. The rotating shaft passes through the fixing frame 109 to connect the fan blades 102. The circumferential arrangement of the fixing frame 109 is composed of a heating wire 110.

[0034] like Figure 4As shown, the base 200 is provided with a rotating assembly, which drives the base 200 to rotate left and right to adjust the wind direction of the circulating fan in the horizontal direction. The rotating assembly includes a rotating motor 202 and a driving block 203. The rotating motor 202 is connected to the driving block 203 to drive the driving block 203 to rotate. The base 200 includes a rotating disk 204 and a fixed disk 205. The rotating disk 204 is arranged above the fixed disk 205. The fixed disk 205 is provided with a center column 208. The rotating disk 204 is sleeved on the center column 205 and can rotate relative to the fixed disk 205 around the center column 208. The rotating disk 204 is provided with a rotating groove 206, and the fixed disk 205 is provided with a fixed column 207. The fixed column 207 passes through and is limited in the rotating groove 206. The rotating disk 204 is limited in rotation relative to the fixed disk 205 through the rotating groove 206 and the fixed column 207. The driving block 203 is plugged into the rotating disk 204, driving the rotating disk 204 to rotate.

[0035] like Figure 5 As shown, the circuit board 300 includes a main control chip, a power module and a wireless module. The power module provides power to the main control chip, the wireless module, the fan motor 103, the rotating motor 202 and the heating wire 110. The main control chip is electrically connected to the fan motor 103, the rotating motor 202 and the heating wire 110 respectively. The main control chip outputs signals to control the start and stop and the speed of the fan motor 103 to turn on the circulation fan and adjust the speed. The main control chip outputs signals to control the rotating motor 202 to adjust the left and right swing of the circulation fan. The main control chip outputs signals to control the heating wire 110 to heat up so that the circulation fan blows out warm air. The main control chip is connected to the wireless module signal to transmit data signals, so that the user can remotely control the start or stop of the circulation fan and other operations wirelessly. At the same time, the wireless module can perform wireless data communication to realize smart home.

[0036] like Figure 6 As shown, the wireless module includes a single-chip microcomputer U1, a wireless chip U2, an indicator light RX, an indicator light TX and a buzzer U3. The single-chip microcomputer U1 is connected to the main control chip through the RXD and TXD serial port signals for data transmission. The single-chip microcomputer U1 is connected to the wireless chip U2 signal. The single-chip microcomputer U1 processes the signal received by the wireless chip U2 and then transmits it to the main control chip. The model of the single-chip microcomputer U1 is STM8S003, and the model of the wireless chip U2 is SX1278SXS. The indicator lights RX and TX are connected to pins 11 and 12 of the single-chip microcomputer U1 to indicate data transmission of the single-chip microcomputer U1; one end of the buzzer U3 is connected to the power supply, and the other end is connected to the collector of the transistor Q1. The emitter of the transistor Q1 is grounded, and the base of the transistor Q1 is connected to pin 1 of the single-chip microcomputer U1. The single-chip microcomputer U1 sends a signal to indicate a buzzing sound.

[0037] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A circulating fan for both cooling and heating, comprising a fan body (100) and a base (200), characterized in that: The base (200) is provided with a bracket (201), the bracket (201) is U-shaped, the fan body (100) is rotatably arranged on the bracket (201), the fan body (100) is provided with a circular air duct (101), the air duct (101) is provided with fan blades (102) and a fan motor (103), the fan blades (102) and the fan motor (103) are connected to each other through a rotating shaft, and a heating wire (110) is provided on the circumferential ring of the rotating shaft; the base (200) is provided with a circuit board (300), the circuit board (300) is electrically connected to the fan motor (103) and the heating wire (110) respectively, and the circuit board (300) outputs signals to control the start and stop of the fan motor (103) and the heating wire (110).

2. The dual-purpose cooling and heating circulating fan according to claim 1, characterized in that: The fan body (100) comprises an air inlet cover (104) and an air outlet cover (105), wherein the air inlet cover (104) and the air outlet cover (105) are both semi-cylindrical in shape, and the air inlet cover (104) and the air outlet cover (105) are mounted on each other to form a circular air duct (101).

3. The dual-purpose cooling and heating circulating fan according to claim 2, characterized in that: An air outlet grille (106) is provided on the air outlet cover (105). The air outlet grille (106) is composed of a plurality of ribs (107) extending radially outward from the center of the circle. The plurality of ribs (107) are arranged at intervals.

4. The dual-purpose cooling and heating circulating fan according to claim 3, characterized in that: The rib (107) is arc-shaped, and the extending direction of the rib (107) is opposite to the rotation direction of the fan blade (102).

5. The dual-purpose cooling and heating circulating fan according to claim 4, characterized in that: A grid (108) is provided in the air outlet cover (105), the grid (108) is arranged inside the air outlet grille (106), and the grid (108) abuts against the rib (107).

6. The dual-purpose cooling and heating circulating fan according to claim 2, characterized in that: A fixing frame (109) is provided in the air duct (101), the fixing frame (109) is arranged between the fan blades (102) and the fan motor (103), the fan motor (103) is arranged on the fixing frame (109), a heating wire (110) is provided in a circumferential ring shape of the fixing frame (109), and a temperature sensor is provided on the fixing frame (109).

7. The dual-purpose cooling and heating circulating fan according to claim 6, characterized in that: The base (200) is provided with a rotating assembly, the base (200) comprising a rotating disk (204) and a fixed disk (205), the fixed disk (205) being provided with a central column (208), the rotating disk (204) being sleeved on the central column (208) and rotating relative to the fixed disk (205) around the central column (208), and the rotating assembly driving the rotating disk (204) of the base (200) to rotate left and right.

8. The dual-purpose cooling and heating circulating fan according to claim 7, characterized in that: The rotating assembly comprises a rotating motor (202) and a driving block (203), wherein the rotating motor (202) is connected to the driving block (203), and the driving block (203) is connected to the rotating disk (204), and the rotating motor (202) drives the rotating disk (204) to rotate via the driving block (203).

9. The dual-purpose cooling and heating circulating fan according to claim 1, characterized in that: The circuit board (300) is provided with a main control chip, a power module and a wireless module. The power module provides power to each module. The main control chip is connected to each module point and outputs signals to drive each module to start and operate. The wireless module is connected to the main control chip for signal transmission of data signals.

10. The dual-purpose cooling and heating circulating fan according to claim 9, characterized in that: The wireless module includes a single-chip microcomputer U1, a wireless chip U2, an indicator light RX, an indicator light TX and a buzzer U3. The single-chip microcomputer U1 is connected to the main control chip signal, the single-chip microcomputer U1 is connected to the wireless chip U2 signal, the single-chip microcomputer U1 is connected to the indicator lights RX and TX signals, one end of the buzzer U3 is connected to the power supply, and the other end is connected to the collector of the transistor Q1, and the base of the transistor Q1 is connected to pin 1 of the single-chip microcomputer U1.

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