Double-wind-wheel temperature control fan and air temperature control mattress

Abstract

The application relates to a double-wind-wheel temperature control fan and a wind temperature control mattress, which comprises a base, an upper cover, double wind wheels and a motor. The motor is fixed in the base, the output shaft of the motor is connected with the double wind wheels, and the motor is used for driving the double wind wheels to rotate. The upper cover is arranged on the base, air outlets are formed at the ends of the base and the upper cover, and air inlets are arranged on the upper surface of the upper cover and located directly above the double wind wheels. The double-wind-wheel design can generate greater air volume than the traditional single-stage wind wheel at the same rotating speed, so that the rotating speed and the volume of the wind wheel can be reduced under the condition of the same air volume, the rotating speed is low, the noise reduction and shock absorption effects are obvious, the annular air duct is formed between the conical wind wheel and the annular wind wheel, the cross section of the annular air duct is in the shape of a trapezoid with the upper part being wide and the lower part being narrow, the airflow speed is accelerated when the airflow passes through the lower narrow annular air duct, and the air speed is improved.

Description

Technical Field

[0001] This invention relates to the field of temperature-controlled mattress technology, and more specifically, to a dual-fan temperature-controlled fan and a temperature-controlled mattress using the dual-fan temperature-controlled fan. Background Technology

[0002] Currently, the principle of existing wind-controlled temperature mattresses is to set up an air supply channel inside the mattress and provide warm air through the air supply unit to achieve wind-controlled temperature.

[0003] The air supply unit contains a fan. However, a traditional fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a type of driven fluid machinery.

[0004] Currently available fan impellers are all single-stage impellers. To generate a larger air volume, the size of the impeller needs to be increased, making the fan relatively large. At the same time, the motor inside the fan needs to increase its speed. The high-speed rotation of the motor will generate a lot of noise and vibration. This noise and vibration will seriously affect the sleep quality of people using the wind-controlled temperature mattress, causing damage to people's physical and mental health.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the Invention

[0006] The purpose of this invention is to provide a dual-fan temperature-controlled fan and a wind-controlled temperature mattress. The dual-fan temperature-controlled fan is small in size, simple in structure, and has significant noise reduction and vibration damping effects.

[0007] This invention provides a dual-fan temperature-controlled fan, including a base, a top cover, dual fans, and a motor; the motor is fixed inside the base, the output shaft of the motor is connected to the dual fans, and the motor is used to drive the dual fans to rotate; the top cover is placed on the base, and air outlets are formed at the ends of the base and the top cover, and an air inlet is provided on the top of the top cover directly above the dual fans.

[0008] Furthermore, the dual impellers include an annular impeller and a conical impeller; the conical impeller is fixed to the middle of the annular impeller, and an annular air duct is formed between the conical impeller and the annular impeller; the annular air duct is located directly below the air inlet; the cross-section of the annular air duct is a trapezoidal structure that is wider at the top and narrower at the bottom.

[0009] Furthermore, the annular impeller includes a base plate and arc-shaped blades. The base plate is circular, and multiple arc-shaped blades are vertically connected at intervals along its edge. A conical impeller is fixedly connected to the center of the base plate. The conical impeller includes an impeller seat and internal blades. Multiple internal blades are spaced apart on the side of the impeller seat. The impeller seat is cylindrical, and the internal blades are right-angled triangles. The two right-angled sides of the internal blades are respectively connected to the side of the impeller seat and the base plate. The internal blades are inclined along the side of the impeller seat, and the inclination direction of the internal blades is opposite to the curvature direction of the arc-shaped blades. When the dual impellers rotate, an annular air duct is formed between the arc-shaped blades and the internal blades. After the airflow is accelerated through the annular air duct, it enters the receiving cavity formed by the base and the top cover from the gap between adjacent arc-shaped blades and is discharged from the air outlet.

[0010] Furthermore, the arc-shaped blade is connected to the edge of the base plate in a clockwise or counterclockwise bending direction.

[0011] Furthermore, the internal blades are connected to the side of the impeller seat in a clockwise or counterclockwise inclined direction.

[0012] Furthermore, the bottom of the wind turbine base is provided with a motor receiving cavity, and the bottom of the motor receiving cavity is provided with an output shaft insertion interface; a circular opening is provided in the middle of the base plate; the motor is located in the motor receiving cavity, the output shaft of the motor is inserted into the output shaft insertion interface, and the bottom of the motor passes through the circular opening and is fixed to the bottom of the base.

[0013] Furthermore, the dual-fan temperature-controlled fan and the air-controlled temperature mattress also include a housing, which is a hollow cuboid in shape. The base, the top cover, the dual fans, and the motor are all installed inside the housing. Multiple air inlets are provided on the left and right sides and the front of the housing. A control panel is installed inside the housing, and the motor is electrically connected to the control panel. An air guide cavity is provided at the rear of the housing, which is connected to the air outlet. A heating element is installed in the air guide cavity, and the heating element is electrically connected to the control panel.

[0014] The present invention also provides a wind-controlled temperature mattress, wherein the wind-controlled temperature mattress uses the above-mentioned dual-fan temperature control fan.

[0015] Furthermore, the wind-controlled temperature mattress includes a mattress body and a main unit receiving cavity. The main unit receiving cavity is fixedly connected to the edge of the mattress body, and the dual-fan temperature-controlled fan is inserted into the main unit receiving cavity.

[0016] Furthermore, the mattress body also includes an airflow dispersion device, which is fixed in the main unit receiving cavity; the airflow dispersion device includes a main dispersion cavity and dispersion tubes; the main dispersion cavity is fan-shaped, and multiple dispersion tubes are connected to the arc-shaped edge of the main dispersion cavity, the dispersion tubes are connected to the interior of the main dispersion cavity; the other end of the dispersion tubes is connected to the air supply channel inside the mattress body; when the dual-fan temperature-controlled fan is inserted into the main unit receiving cavity, the main dispersion cavity and the air guide cavity are connected.

[0017] The dual-fan temperature-controlled fan of this invention, through its dual-fan design, can generate a larger air volume compared to a traditional single-fan fan at the same rotational speed. This allows for a reduction in rotational speed and fan size while maintaining the same air volume. The lower rotational speed results in significant noise reduction and vibration damping. Furthermore, the dual fan comprises an annular fan and a conical fan. An annular air duct is formed between the conical fan and the annular fan, and the cross-section of the annular air duct is a trapezoidal structure, wider at the top and narrower at the bottom. When airflow enters the annular air duct from the air inlet, due to the trapezoidal design of the annular air duct, the airflow velocity increases as it passes through the narrower lower end of the annular air duct, thus increasing the wind speed. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a dual-fan temperature-controlled fan provided in an embodiment of the present invention.

[0019] Figure 2 for Figure 1 An exploded diagram of a dual-fan temperature-controlled fan.

[0020] Figure 3 for Figure 1 A schematic diagram showing the combination of the base and the two impellers of the temperature-controlled fan with dual impellers.

[0021] Figure 4 for Figure 1 A top view of the base and dual impellers of the temperature-controlled fan with dual impellers.

[0022] Figure 5 for Figure 1 A schematic diagram of the dual impeller structure of a dual-impeller temperature control fan.

[0023] Figure 6 for Figure 1 A top view of the dual impellers of the temperature-controlled fan with dual impellers.

[0024] Figure 7 for Figure 1 A front view schematic diagram of the conical impeller of a dual-impeller temperature control fan.

[0025] Figure 8 for Figure 1 A schematic diagram of the dual impellers and motor of a dual-impeller temperature control fan.

[0026] Figure 9 for Figure 1 A top view of the casing of a dual-fan temperature control fan.

[0027] Figure 10 for Figure 1 A schematic diagram of the casing of a dual-fan temperature control fan.

[0028] Figure 11 for Figure 1 A schematic diagram showing the combination of the casing and airflow dispersion device of the dual-fan temperature control fan.

[0029] Figure 12 This is a schematic diagram of the structure of the wind-controlled temperature mattress provided in an embodiment of the present invention.

[0030] The reference numerals and components involved in the accompanying drawings are shown below:

[0031] 1. Base 2. Top cover 21. Air inlet

[0032] 3. Double impeller 31, ring impeller 311, base plate

[0033] 312. Curved blades; 313. Round inlet; 32. Conical wind turbine.

[0034] 321. Wind turbine base; 322. Internal blades; 323. Motor housing cavity

[0035] 324. Output shaft connector 4. Motor 5. Air outlet

[0036] 6. Annular air duct; 7. Housing; 71. Air inlet.

[0037] 72. Control panel; 73. Air guide cavity; 731. Heating element

[0038] 8. Mattress body 81. Airflow dispersing device 811. Main dispersing cavity

[0039] 812, Diverging Pipe 9, Main Unit Receiving Cavity Detailed Implementation

[0040] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0041] The terms "first," "second," "third," "fourth," etc., used in the specification and claims of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0042] Example 1

[0043] Figure 1 This is a schematic diagram of the structure of the dual-fan temperature-controlled fan provided in an embodiment of the present invention. Figure 2 for Figure 1 An exploded diagram of a dual-fan temperature-controlled fan. Figure 3 for Figure 1 A schematic diagram showing the combination of the base and the two impellers of the dual-impeller temperature control fan. Figure 4 for Figure 1 A top view of the base and dual impellers of the dual-fan temperature control fan. Please refer to... Figure 1 , Figure 2 , Figure 3 , Figure 4 The dual-fan temperature-controlled fan provided in this embodiment of the invention includes a base 1, a top cover 2, dual fans 3, and a motor 4; the motor 4 is fixed inside the base 1, and the output shaft of the motor 4 is connected to the dual fans 3, and the motor 4 is used to drive the dual fans 3 to rotate; the top cover 2 is placed on the base 1, and an air outlet 5 is formed at the ends of the base 1 and the top cover 2, and an air inlet 21 is provided on the top of the top cover 2 directly above the dual fans 3.

[0044] Figure 5 for Figure 1 A schematic diagram of the dual impeller structure of a dual-impeller temperature control fan. Figure 6 for Figure 1 A top view of the dual impellers of the temperature-controlled fan with dual impellers. Figure 7 for Figure 1 A front view diagram of the conical impeller of the dual-impeller temperature control fan. Please refer to... Figure 5 , Figure 6 , Figure 7 The dual impeller 3 of the present invention includes an annular impeller 31 and a conical impeller 32; the conical impeller 32 is fixed to the middle of the annular impeller 31, and an annular air duct 6 is formed between the conical impeller 32 and the annular impeller 31; the annular air duct 6 is located directly below the air inlet 21; the cross-section of the annular air duct 6 is a trapezoidal structure that is wider at the top and narrower at the bottom.

[0045] It should be noted that the dual-fan design of the annular impeller 31 and the conical impeller 32 allows for a larger air volume compared to a traditional single-stage impeller at the same rotational speed. This enables the dual-fan temperature-controlled fan of this invention to reduce rotational speed and impeller size while maintaining the same air volume. The lower rotational speed results in significant noise reduction and vibration damping. Furthermore, an annular air duct 6 is formed between the conical impeller 32 and the annular impeller 31. The cross-section of the annular air duct 6 is a trapezoidal structure, wider at the top and narrower at the bottom. When airflow enters the annular air duct 6 from the air inlet 21, the trapezoidal structure of the annular air duct 6, due to Bernoulli's principle, causes the airflow velocity to increase as it passes through the narrower lower end of the annular air duct 6, thereby increasing the wind speed.

[0046] For details, please refer to further information. Figure 5 , Figure 6 , Figure 7 The annular impeller 31 of the present invention includes a base plate 311 and arc-shaped blades 312. The base plate 311 is circular, and a plurality of arc-shaped blades 312 are vertically connected at intervals along the edge of the base plate 311. A conical impeller 32 is fixedly connected to the center of the base plate 311. The conical impeller 32 includes an impeller seat 321 and internal blades 322. A plurality of internal blades 322 are spaced apart on the side of the impeller seat 321. The impeller seat 321 is cylindrical, and the internal blades 322 are right-angled triangles. The two right-angled sides of the internal blades 322 are respectively connected to the side of the impeller seat 321 and the base plate 311. The internal blades 322 are inclined along the side of the impeller seat 321, and the inclination direction of the internal blades 322 is opposite to the arc curvature direction of the arc-shaped blades 312.

[0047] It should be noted that when the dual impellers 3 rotate, the annular air duct 6 is formed between the arc-shaped blades 312 and the inner blades 322. After the airflow is accelerated through the annular air duct 6, it enters the receiving cavity formed by the base 1 and the upper cover 2 from the gap between the adjacent arc-shaped blades 312 and is discharged from the air outlet 5.

[0048] Furthermore, the design of the internal blade 322 of the present invention having an inclination direction opposite to the arcuate bending direction of the arcuate blade 312 will cause the airflow to form a vortex, accelerating the speed at which air is drawn in from the air inlet 21.

[0049] Furthermore, the arc-shaped blade 312 is connected to the edge of the base plate 311 in a clockwise or counterclockwise bending direction; the inner blade 322 is connected to the side of the impeller seat 321 in a clockwise or counterclockwise inclined direction.

[0050] Figure 8 for Figure 1A schematic diagram of the dual impellers and motor of the medium-duty dual-impeller temperature-controlled fan. Please refer to... Figure 8 The bottom of the impeller base 321 of the present invention is provided with a motor receiving cavity 323, and an output shaft insertion interface 324 is provided at the bottom of the motor receiving cavity 323; a circular opening 313 is provided in the middle of the base plate 311; the motor 4 is located in the motor receiving cavity 323, the output shaft of the motor 4 is inserted into the output shaft insertion interface 324, and the bottom of the motor 4 passes through the circular opening 313 and is fixed to the bottom of the base 1.

[0051] Figure 9 for Figure 1 A top view of the casing of a dual-fan temperature control fan. Figure 10 for Figure 1 A schematic diagram of the casing of a dual-fan temperature-controlled fan. Please refer to... Figure 9 , Figure 10 The dual-fan 3 temperature-controlled fan of the present invention also includes a housing 7, which is a hollow cuboid in shape. The base 1, the top cover 2, the dual fan 3, and the motor 4 are all installed inside the housing 7. Multiple air inlets 71 are provided on the left and right sides and the front of the housing 7. A control panel 72 is installed inside the housing 7, and the motor 4 is electrically connected to the control panel 72. An air guide cavity 73 is provided at the rear of the housing 7, which is connected to the air outlet 5. A heating element 731 is installed in the air guide cavity 73, and the heating element 731 is electrically connected to the control panel 72.

[0052] Figure 11 for Figure 1 A schematic diagram showing the combination of the casing and airflow dispersion device of a dual-fan temperature control fan. Figure 12 This is a schematic diagram of the structure of a temperature-controlled mattress provided in an embodiment of the present invention. The temperature-controlled mattress of the present invention utilizes the aforementioned dual-fan temperature-controlled fan.

[0053] Specifically, the temperature-controlled mattress includes a mattress body 8 and a main unit receiving cavity 9. The main unit receiving cavity 9 is fixedly connected to the edge of the mattress body 8, and the dual-fan temperature-controlled fan 3 is inserted into the main unit receiving cavity 9. The mattress body 8 also includes an airflow dispersion device 81, which is fixed in the main unit receiving cavity 9. The airflow dispersion device 81 includes a main dispersion cavity 811 and dispersion tubes 812. The main dispersion cavity 811 is fan-shaped, and multiple dispersion tubes 812 are connected to the arc-shaped edge of the main dispersion cavity 811. The dispersion tubes 812 are connected to the interior of the main dispersion cavity 811. The other end of the dispersion tubes 812 is connected to the air supply channel inside the mattress body 8.

[0054] When the temperature-controlled fan of the dual impeller 3 is inserted into the host housing cavity 9, the main body radiating cavity 811 and the air guiding cavity 73 are connected.

[0055] As can be seen from the above description, the advantages of this invention are:

[0056] 1. The dual-fan temperature-controlled fan of the present invention, through the design of dual fan wheels, can generate a larger air volume compared with the traditional single-stage fan wheel at the same speed; thus, under the same air volume, the dual-fan temperature-controlled fan of the present invention can reduce the speed and reduce the size of the fan wheel; the lower speed results in significant noise reduction and vibration reduction effects.

[0057] 2. The dual-fan temperature-controlled fan of the present invention comprises an annular fan and a conical fan; an annular air duct is formed between the conical fan and the annular fan, and the cross-section of the annular air duct is a trapezoidal structure that is wider at the top and narrower at the bottom; when the airflow enters the annular air duct from the air inlet, due to the trapezoidal structure design of the annular air duct, which is wider at the top and narrower at the bottom, and due to Bernoulli's principle, the airflow speed increases when passing through the narrower annular air duct at the bottom, thereby increasing the wind speed.

[0058] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A dual-fan temperature-controlled fan, characterized in that, Includes a base (1), a top cover (2), two impellers (3) and a motor (4); The motor (4) is fixed inside the base (1). The output shaft of the motor (4) is connected to the double impeller (3). The motor (4) is used to drive the double impeller (3) to rotate. The upper cover (2) is placed on the base (1), and an air outlet (5) is formed at the ends of the base (1) and the upper cover (2). An air inlet (21) is provided on the upper cover (2) directly above the double impeller (3).

2. The dual-fan temperature-controlled fan according to claim 1, characterized in that, The dual impeller (3) includes an annular impeller (31) and a conical impeller (32); The conical impeller (32) is fixed to the middle of the annular impeller (31), and an annular air duct (6) is formed between the conical impeller (32) and the annular impeller (31); the annular air duct (6) is located directly below the air inlet (21); the cross-section of the annular air duct (6) is a trapezoidal structure that is wider at the top and narrower at the bottom.

3. The dual-fan temperature-controlled fan according to claim 2, characterized in that, The annular wind turbine (31) includes a base plate (311) and arc-shaped blades (312). The base plate (311) is circular, and multiple arc-shaped blades (312) are vertically connected at intervals along the edge of the base plate (311). The conical wind turbine (32) is fixedly connected to the center of the base plate (311). The conical wind turbine (32) includes a wind turbine seat (321) and internal blades (322). Multiple internal blades (322) are spaced apart on the side of the wind turbine seat (321). The wind turbine seat (321) is cylindrical, and the internal blades (322) are right-angled triangles. The two right-angled sides of the internal blades (322) are respectively connected to the side of the wind turbine seat (321) and the base plate (311). The inner blade (322) is inclined along the side of the impeller seat (321), and the inclination direction of the inner blade (322) is opposite to the curvature direction of the arc blade (312). When the dual impeller (3) rotates, the annular air duct (6) is formed between the arc blade (312) and the inner blade (322). After the airflow is accelerated through the annular air duct (6), it enters the receiving cavity formed by the base (1) and the upper cover (2) from the gap between the adjacent arc blades (312) and is discharged from the air outlet (5).

4. The dual-fan temperature-controlled fan according to claim 3, characterized in that, The arc-shaped blade (312) is connected to the edge of the base plate (311) in a clockwise or counterclockwise bending direction.

5. The dual-fan temperature-controlled fan according to claim 3, characterized in that, The internal blades (322) are connected to the side of the impeller seat (321) in a clockwise or counterclockwise inclined direction.

6. The dual-fan temperature-controlled fan according to claim 3, characterized in that, The bottom of the wind turbine base (321) is provided with a motor receiving cavity (323), and the bottom of the motor receiving cavity (323) is provided with an output shaft insertion interface (324); a round opening (313) is provided in the middle of the base plate (311); the motor (4) is located in the motor receiving cavity (323), the output shaft of the motor (4) is inserted into the output shaft insertion interface (324), and the bottom of the motor (4) passes through the round opening (313) and is fixed to the bottom of the base (1).

7. The dual-fan temperature-controlled fan according to claim 3, characterized in that, The dual-fan temperature-controlled fan also includes a housing (7), which is a hollow cuboid in shape. The base (1), the top cover (2), the dual fan wheels (3) and the motor (4) are all installed inside the housing (7). Multiple air inlets (71) are provided on the left and right sides and the front of the housing (7). A control panel (72) is installed inside the housing (7), and the motor (4) and the control panel (72) are electrically connected. An air guide cavity (73) is provided at the rear of the housing (7), the air guide cavity (73) is connected to the air outlet (5), a heating element (731) is installed in the air guide cavity (73), and the heating element (731) is electrically connected to the control panel (72).

8. A wind-controlled temperature mattress, characterized in that, The temperature-controlled mattress uses the dual-fan temperature-controlled fan as described in any one of claims 1-7.

9. The wind-controlled temperature mattress according to claim 8, characterized in that, The wind-controlled temperature mattress includes a mattress body (8) and a main unit receiving cavity (9). The main unit receiving cavity (9) is fixedly connected to the edge of the mattress body (8), and the dual fan wheel (3) temperature control fan is inserted into the main unit receiving cavity (9).

10. The wind-controlled temperature mattress according to claim 9, characterized in that, The mattress body (8) also includes an airflow dispersion device (81), which is fixed in the main unit receiving cavity (9). The airflow dispersion device (81) includes a main dispersion cavity (811) and dispersion tubes (812). The main dispersion cavity (811) is fan-shaped, and multiple dispersion tubes (812) are connected to the arc-shaped edge of the main dispersion cavity (811). The dispersion tubes (812) are connected to the interior of the main dispersion cavity (811). The other end of the dispersion tubes (812) is connected to the air supply channel inside the mattress body (8). When the temperature-controlled fan of the dual impeller (3) is inserted into the host housing cavity (9), the main body radiating cavity (811) and the air guiding cavity (73) are connected.

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