Cooling and heating dual-purpose fan

Abstract

The utility model discloses a cooling and heating dual-purpose fan which comprises a power supply control device, a machine body shell assembly, a front air outlet grating device, an exhaust fan and a rear air inlet device, the power supply control device is installed on the top of the machine body shell assembly, and the power supply control device is connected with the exhaust fan through an electric wire; the front face of the machine body shell assembly is fixedly connected with a front air outlet grating device, an exhaust fan is arranged in the machine body shell assembly and fixedly connected to the back face of the front air outlet grating device, the rear portion of the machine body shell assembly is fixedly connected with a rear air inlet device, and the electric heating device is connected with a power source control device through an electric wire. The electric heating device is fixedly arranged in the machine body shell assembly; ventilation cooling or heating work is controlled according to different seasons and cooling and heating requirements, cooling and heating are integrated, the product can be used in summer and winter, a consumer does not need to independently purchase a cooling fan or an electric heater, the purchase cost is saved, the occupied indoor space is reduced, the space is saved, and use is convenient.

Description

Technical Field

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

[0002] For example 1: Chinese patent document publication number: CN209910088U, discloses a connection device between a water tank and a fuselage side panel and a cooling fan thereof, including a fuselage side panel 1, the fuselage side panel 1 includes a left fuselage side panel 1A, a right fuselage side panel 1B, a front outlet windshield C, a rear air inlet wet curtain filter device D, an upper cover E, a water receiving tray 4, and two locking plugs 3; the front of the left fuselage side panel 1A and the right fuselage side panel 1B are adjacently fixedly connected to the front outlet windshield C, and the back is adjacently fixedly connected to the rear air inlet wet curtain filter device D; the top ends of the left fuselage side panel 1A, the right fuselage side panel 1B, the front outlet windshield C, and the rear air inlet wet curtain filter device D are fixedly connected to the upper cover E, and the lower ends are fixedly connected to the water receiving tray 4; a controller F is fixedly arranged on the upper cover E; an exhaust fan H is fixedly arranged inside the left fuselage side panel 1A, the right fuselage side panel 1B, and the front outlet windshield C; the rear air inlet wet curtain filter device D includes a rear air inlet shell The upper cover E is provided with a water diversion chamber E1 at the rear side, and a water leakage hole E11 is provided at the bottom of the water diversion chamber. The water leakage hole E11 is aligned with the wet curtain D2 of the rear air wet curtain filter device D, and the water in the water diversion chamber E1 drips onto the wet curtain D2 through the water leakage hole E11; the water receiving tray 4 is provided with a water flow hole 41, and the water receiving tray 4 collects the wet curtain dripping from the rear air wet curtain filter device, and then flows into the water tank 2 through the water flow hole 1 for recycling and recycling; the water receiving tray 4 is hinged with a water pump device G on the reverse side, and the water pump device G extends into the bottom of the water tank 2, and the water pump G1 of the water pump device G is connected to the water diversion chamber E1 through a water pipe, and the water pump G1 pumps water to the water diversion chamber E1 to realize the recycling of water; the controller F is connected with the water pump G1 and the exhaust fan H of the water pump device through electric wires.

[0003] Example 2: Chinese patent document publication number: CN212204899U, a small intelligent cooling fan, a support plate is fixed to the box opening of the bottom water tank, a plate hole is provided at the rear of the support plate, a body shell is fixed in the middle of the support plate, and an air outlet hood is fixed to the front end of the body shell and the bottom water tank; a wet curtain frame and an exhaust fan are fixed inside the body shell, an absorbent cotton assembly is fixed on the wet curtain frame, the exhaust fan is located at the front end of the wet curtain frame, the lower sections of the wet curtain frame and the absorbent cotton assembly pass through the plate hole and extend into the bottom of the bottom water tank, the lower section of the absorbent cotton assembly is immersed in water and the water is sucked upward to wet all the absorbent cotton assemblies; a rear cover is fixed to the rear end of the body shell, and an air inlet mesh is provided on the rear cover; a controller is fixed to the top of the body shell; this product is small in size and is mainly suitable for personal desktop use. It has the ventilation and cooling effect of the fan while also being able to filter the air, while increasing the humidity of the air and improving the ventilation and cooling effect.

[0004] The same type of products as in Example 1 and Example 2 above only have ventilation and cooling functions but no heating function, and are only suitable for use in summer but not in spring, autumn or winter. In winter, consumers have to purchase electric heaters separately, which is costly and takes up indoor space, making them inconvenient to store. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cooling and heating dual-purpose fan with reasonable structure, strong practicality and improved utilization rate.

[0006] The solutions to the above technical problems are:

[0007] A cooling and heating dual-purpose fan comprises a power control device, a body shell assembly, a front air outlet grille device, an exhaust fan, and a rear air inlet device, wherein the power control device is installed on the top of the body shell assembly, and the power control device is connected to the exhaust fan through a wire; the front of the body shell assembly is fixedly connected to the front air outlet grille device, the exhaust fan is arranged inside the body shell assembly, the exhaust fan is fixedly connected to the back of the front air outlet grille device, the rear of the body shell assembly is fixedly connected to the rear air inlet device, and also comprises an electric heating device, the electric heating device is connected to the power control device through a wire, and the electric heating device is fixedly arranged inside the body shell assembly;

[0008] The electric heating device is a PTC electric heater, which is connected to the power control device through an electric wire;

[0009] The rear air inlet device includes a wet curtain bracket, a ventilation filter mesh wet curtain, and a rear filter; the interior of the wet curtain bracket is connected and installed with a ventilation filter mesh wet curtain, and the rear of the wet curtain bracket is connected and installed with the rear filter;

[0010] The front air outlet grille device comprises a front frame shell and air outlet grille blades, the middle of the front frame shell is a frame hole, and the air outlet grille blades are connected to the frame hole;

[0011] The body shell assembly includes a bottom water tank, a water pump, a water supply pipe, a lower bracket, a left side plate, a right side plate, an upper bracket, a top shell, and a water tank cover; four casters are installed at the bottom of the bottom water tank;

[0012] A water pump is placed at the bottom of the bottom water tank, and the water pump is connected to a water supply pipe;

[0013] The tank opening of the bottom water tank is detachably connected to the lower bracket;

[0014] The bottoms of the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are fixedly connected to the lower bracket, and the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are adjacently connected and fixed;

[0015] The back side of the front frame shell is fixedly connected to the exhaust fan, and the outlet of the exhaust fan is aligned with the frame hole; the back side of the front frame shell is fixedly connected to the PTC electric heater, and the PTC electric heater is close to the lower air inlet of the exhaust fan;

[0016] The front frame shell, the left side plate, the wet curtain bracket, and the inner top of the right side plate are fixedly connected with an upper bracket, the bottom of the upper bracket is also fixedly connected with the motor of the exhaust fan, and the top of the upper bracket is fixed with a general control circuit board;

[0017] The top of the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are fixedly connected to the top shell, the upper bracket is located below the top shell, and the front top wall of the top shell is fixedly connected to the functional operation control circuit board; a water tank is provided at the rear of the top shell, and a row of diversion water holes are provided at the bottom of the water tank, and the diversion water holes are located directly on the top of the ventilation filter mesh wet curtain; a water inlet hole is provided at the bottom of the water tank, and the water inlet hole is sealed and connected to the top of the water supply pipe; an openable water tank cover is connected to the notch of the water tank.

[0018] The beneficial effects of the cooling and heating dual-purpose fan of the utility model are:

[0019] When this product is working for ventilation and heating, the exhaust fan is controlled by the power control device to work for exhaust, and the electric heating device is controlled by the power control device to work for heating. The wind enters from the rear air inlet device, passes through the electric heating device and the exhaust fan body, and is finally blown out from the front air outlet grille device to provide hot air for heating people and indoor heating. This function is mainly suitable for use in winter. Of course, the warm air can also be used for drying clothes.

[0020] When you need to cool down in the summer, the water pump will pump water into the sink. The water in the sink will flow down through the diversion holes to the ventilation filter mesh wet curtain. The wind enters from the rear filter, the ventilation filter mesh wet curtain, and the wet curtain bracket in turn. The wind passing through the ventilation filter mesh wet curtain comes into contact with the water and evaporates to improve the cooling effect. At the same time, it can filter dust to make the air cleaner and fresher.

[0021] This product controls ventilation, cooling or heating according to different seasons and heating and cooling needs. It is a two-in-one cooling and heating product for summer and winter use. Consumers do not need to purchase cooling fans or electric heaters separately, which saves purchase costs, reduces indoor space, saves space, and is easy to use. It is suitable for use in homes, offices, commercial places, and industrial places, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 , Figure 2 , Figure 3 A three-dimensional diagram of the product of the utility model;

[0023] Figure 4 , Figure 5 , Figure 6 , Figure 7 This is a disassembled diagram of the utility model product;

[0024] Figure 8 This is a three-dimensional diagram of the connection structure of the front air outlet grille device, the exhaust fan, the electric heating device, and the lower bracket of the utility model product;

[0025] Fig. 9 , Fig.10 It is a three-dimensional diagram of the electric heating device of the utility model.

[0026] Power supply control device 1, body shell assembly 2, front air outlet grille device 3, exhaust fan 4, rear air inlet device 5, electric heating device 6, PTC electric heater 61, acceleration fan 7, main control circuit board 11, function operation control circuit board 12, bottom water tank 21, water pump 22, water supply pipe 23, lower bracket 24, left side plate 25, right side plate 26, upper bracket 27, top shell 28, water tank 281, diversion water hole 282, water inlet hole 283, water tank cover 29, front frame shell 31, air outlet grille blades 32, frame hole 33, wet curtain bracket 51, ventilation filter mesh wet curtain 52, rear filter 53. DETAILED DESCRIPTION

[0027] A dual-purpose cooling and heating fan comprises a power control device 1, a body shell assembly 2, a front air outlet grille device 3, an exhaust fan 4, and a rear air inlet device 5. The power control device 1 is installed on the top of the body shell assembly 2 through a screw assembly, and the power control device 1 is connected to the exhaust fan 4 through an electric wire; the front side of the body shell assembly 2 is fixedly connected to the front air outlet grille device 3 through a screw assembly, and the interior of the body shell assembly 2 is provided with an exhaust fan 4, which is fixedly connected to the reverse side of the front air outlet grille device 3 through a screw assembly, and the rear part of the body shell assembly 2 is fixedly connected to the rear air inlet device 5 through a screw assembly; the aforementioned is a product of the prior art structure, and the main technical improvement of this product is that the multifunctional cooling fan also comprises an electric heating device 6, which is connected to the power control device 1 through an electric wire, and the electric heating device 6 is fixedly arranged inside the body shell assembly 2 through a screw assembly; when this product is in ventilation and cooling operation, the exhaust fan 4 is controlled to exhaust air through the power control device 1, and the power control device controls the exhaust air 4 according to the required air volume. The gear position of the control device 1 can be used to control the power of the exhaust fan 4; when working, the wind enters from the rear air inlet device 5, then passes through the exhaust fan 4 body, and is finally blown out from the front air outlet grille device 3, so as to cool people down. This function is mainly suitable for use in summer; when the product is in ventilation and heating operation, the exhaust fan 4 is controlled by the power control device 1 to exhaust, and the electric heating device 6 is controlled by the power control device 1 to heat. The wind enters from the rear air inlet device 5, then passes through the electric heating device 6 and the exhaust fan 4 body, and is finally blown out from the front air outlet grille device 3, so as to warm people and heat the room with hot air. This function is mainly suitable for use in winter, and of course the warm air can also be used to dry clothes. This product controls ventilation and cooling or heating according to different seasons and heating and cooling needs. It is a two-in-one product, and consumers do not need to purchase cooling fans or electric heaters separately, which saves purchase costs, reduces the occupation of indoor space, saves space, is easy to use, and is suitable for use at home, office, commercial place, and industrial place. It has a wide range of applications.

[0028] The electric heating device 6 is close to the air inlet of the exhaust fan 4, so that the hot air can quickly enter the exhaust fan 4 and be blown out from the front air outlet grille device 3, quickly circulate the hot air and reduce losses; the electric heating device 6 is fixedly connected to the inner wall of the fuselage shell assembly 2 and / or the back side of the front air outlet grille device 3 by a screw assembly.

[0029] The electric heating device 6 is a PTC electric heater 61, which is connected to the power control device 1 through wires; the PTC heater has the advantages of small thermal resistance, excellent thermal conductivity and heat dissipation performance, high heat exchange efficiency, safety and reliability, and is an automatic constant temperature and power-saving electric heater; the PTC electric heater 61 is also a relatively mature heating technology product, which is relatively universal and has the advantages of low cost.

[0030] The bottom of the PTC electric heater 61 is fixedly connected to an acceleration fan 7 via a screw assembly, and the acceleration fan 7 is connected to the power control device 1 via an electric wire; the acceleration fan 7 can enable the heat sink of the PTC electric heater 61 to dissipate heat quickly, thereby improving the heat exchange efficiency.

[0031] The power control device 1 comprises a main control circuit board 11 and a functional operation control circuit board 12, wherein the main control circuit board 11 is connected to the functional operation control circuit board 12 via wires;

[0032] The rear air inlet device 5 includes a wet curtain bracket 51, a ventilation filter mesh wet curtain 52, and a rear filter 53; the interior of the wet curtain bracket 51 is connected and installed with the ventilation filter mesh wet curtain 52, and the rear part of the wet curtain bracket 51 is connected and installed with the rear filter 53;

[0033] The front air outlet grille device 3 comprises a front frame shell 31 and air outlet grille blades 32. The middle of the front frame shell 31 is a frame hole 33, and the air outlet grille blades 32 are connected to the frame hole 33.

[0034] The body shell assembly 2 includes a bottom water tank 21, a water pump 22, a water supply pipe 23, a lower bracket 24, a left side plate 25, a right side plate 26, an upper bracket 27, a top shell 28, a water tank 281 cover 29; four casters are installed at the bottom of the bottom water tank 21 to facilitate movement.

[0035] A water pump 22 is placed at the bottom of the bottom water tank 21, and the water pump 22 is connected to a water supply pipe 23;

[0036] The tank opening of the bottom water tank 21 is detachably connected to the lower bracket 24;

[0037] The bottom of the front frame shell 31, the left side plate 25, the wet curtain bracket 51, and the right side plate 26 are fixedly connected to the lower bracket 24 by a screw assembly, and the front frame shell 31, the left side plate 25, the wet curtain bracket 51, and the right side plate 26 are adjacently connected and fixed;

[0038] The reverse side of the front frame shell 31 is fixedly connected to the exhaust fan 4 by means of a screw assembly, and the outlet of the exhaust fan 4 is aligned with the frame hole 33; the reverse side of the front frame shell 31 is fixedly connected to the PTC electric heater 61 by means of a screw assembly, and the PTC electric heater 61 is close to the lower air inlet of the exhaust fan 4;

[0039] The front frame shell 31, the left side plate 25, the wet curtain bracket 51, and the inner top of the right side plate 26 are fixedly connected to the upper bracket 27 by a screw assembly, and the bottom of the upper bracket 27 is also fixedly connected to the motor of the exhaust fan 4 by screws, and the top of the upper bracket 27 is fixed with the main control circuit board 11 by screws;

[0040] The top of the front frame shell 31, the left side plate 25, the wet curtain bracket 51, and the right side plate 26 are fixedly connected to the top shell 28 by a screw assembly, the upper bracket 27 is located below the top shell 28, and the front top wall of the top shell 28 is fixedly connected to the functional operation control circuit board 12 by a screw assembly; a water tank 281 is provided at the rear of the top shell 28, and a row of diversion water holes 282 are provided at the bottom of the water tank 281, and the diversion water holes 282 are located at the top of the ventilation filter mesh wet curtain 52; a water inlet hole 283 is provided at the bottom of the water tank 281, and the water inlet hole 283 is sealed and connected to the top of the water supply pipe 23; the notch of the water tank 281 is connected to an openable water tank cover 29.

[0041] When cooling down in summer, water is first added to the bottom water tank 21, and the function button of the control circuit board 12 is operated to start the machine, and the water pump 22 and the exhaust fan 4 in the cooling mode are started at the same time. The electric heating device 6 and the acceleration fan 7 in the cooling mode are not started; the water pump 22 works to pump water to the water tank 281, and the water in the water tank 281 flows down to the ventilation filter mesh wet curtain 52 through the diversion water hole 282, and the remaining water flows back to the bottom water tank 21 for recycling; at the same time, the wind enters from the rear filter 53, the ventilation filter mesh wet curtain 52, and the wet curtain bracket 51 in sequence, and the wind passing through the ventilation filter mesh wet curtain 52 contacts with the water and evaporates to improve the cooling effect, and at the same time, dust can be filtered to make the air cleaner and fresher, which can generally cool down by 4°C to 6°C. If ice water is added, the cooling effect is more obvious, and then it passes through the exhaust fan 4 body, and finally blows out from the frame hole 33 and the air outlet grille blade 32 to cool people. This function is mainly suitable for use in summer.

Claims

1. A cooling and heating dual-purpose fan, comprising a power control device, a body shell assembly, a front air outlet grille device, an exhaust fan, and a rear air inlet device, wherein the power control device is installed on the top of the body shell assembly, and the power control device is connected to the exhaust fan through a wire; the front of the body shell assembly is fixedly connected to the front air outlet grille device, an exhaust fan is arranged inside the body shell assembly, the exhaust fan is fixedly connected to the back of the front air outlet grille device, and the rear of the body shell assembly is fixedly connected to the rear air inlet device, characterized in that: It also includes an electric heating device, which is connected to the power control device through an electric wire and is fixedly arranged inside the fuselage shell assembly; The electric heating device is a PTC electric heater, which is connected to the power control device through an electric wire; The rear air inlet device includes a wet curtain bracket, a ventilation filter mesh wet curtain, and a rear filter; the interior of the wet curtain bracket is connected and installed with a ventilation filter mesh wet curtain, and the rear of the wet curtain bracket is connected and installed with the rear filter; The front air outlet grille device comprises a front frame shell and air outlet grille blades, the middle of the front frame shell is a frame hole, and the air outlet grille blades are connected to the frame hole; The body shell assembly includes a bottom water tank, a water pump, a water supply pipe, a lower bracket, a left side plate, a right side plate, an upper bracket, a top shell, and a water tank cover; four casters are installed at the bottom of the bottom water tank; A water pump is placed at the bottom of the bottom water tank, and the water pump is connected to a water supply pipe; The tank opening of the bottom water tank is detachably connected to the lower bracket; The bottoms of the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are fixedly connected to the lower bracket, and the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are adjacently connected and fixed; The back side of the front frame shell is fixedly connected to the exhaust fan, and the outlet of the exhaust fan is aligned with the frame hole; the back side of the front frame shell is fixedly connected to the PTC electric heater, and the PTC electric heater is close to the lower air inlet of the exhaust fan; The front frame shell, the left side plate, the wet curtain bracket, and the inner top of the right side plate are fixedly connected with an upper bracket, the bottom of the upper bracket is also fixedly connected with the motor of the exhaust fan, and the top of the upper bracket is fixed with a general control circuit board; The top of the front frame shell, the left side plate, the wet curtain bracket, and the right side plate are fixedly connected to the top shell, the upper bracket is located below the top shell, and the front top wall of the top shell is fixedly connected to the functional operation control circuit board; a water tank is provided at the rear of the top shell, and a row of diversion water holes are provided at the bottom of the water tank, and the diversion water holes are located directly on the top of the ventilation filter mesh wet curtain; a water inlet hole is provided at the bottom of the water tank, and the water inlet hole is sealed and connected to the top of the water supply pipe; an openable water tank cover is connected to the notch of the water tank.

2. A cooling and heating dual-purpose fan according to claim 1, characterized in that: The electric heating device is close to the air inlet of the exhaust fan and is fixedly connected to the inside of the fuselage shell component and / or the back side of the front air outlet grille device.

3. The cooling and heating dual-purpose fan according to claim 1, characterized in that: The bottom of the PTC electric heater is fixedly connected with an accelerating fan, and the accelerating fan is connected to the power supply control device through an electric wire.

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