CN215719622U

CN215719622U - Cooling and heating fan

Info

Publication number: CN215719622U
Application number: CN202120053638.7U
Authority: CN
Inventors: 欧燕茂
Original assignee: Qingyuan Xinghang Electric Appliance Co ltd
Current assignee: Qingyuan Xinghang Electric Appliance Co ltd
Priority date: 2020-06-10
Filing date: 2021-01-08
Publication date: 2022-02-01
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a cooling and heating fan which comprises a shell, wherein an air inlet and an air outlet are formed in the shell, a fan blade or an impeller is installed at the air inlet in the shell and driven by a motor, an aluminum fin heating body is installed at the air outlet in the shell and externally connected with a power line, the aluminum fin heating body comprises a heating tube and a plurality of aluminum sheets sleeved on the heating tube, wiring ends are led out from two ends of the heating tube respectively, the heating tube comprises a metal tube shell, ceramic heads are embedded in two ends of the metal tube shell respectively, an insulating filling material is arranged in the metal tube shell, heating wires are embedded in the insulating filling material, two ends of each heating wire are connected with a leading-out rod respectively, the leading-out rods extend outwards to form the wiring ends, the aluminum fin heating body is annular or square, the leading-out rods penetrate through the ceramic heads, and the leading-out rods are all welded with the heating wires. The device adopts the aluminum fin heating body, the power attenuation is reduced, the safety coefficient is high, the distance between aluminum sheets is large, the wind resistance is small, and the whole size application range is wide.

Description

Cooling and heating fan

Technical Field

The utility model relates to the technical field of household appliance design, in particular to a cooling and heating fan.

Background

In the prior art, a heating device of a heating fan mostly adopts a PTC heating element, and PTC is an abbreviation of Positive Temperature Coefficient, which means a Positive Temperature Coefficient and generally refers to a semiconductor material or a component with a large Positive Temperature Coefficient. In general, PTC refers to a positive temperature coefficient thermistor, abbreviated as PTC thermistor, which is a semiconductor resistor typically having temperature sensitivity, and when a certain temperature (curie temperature) is exceeded, its resistance value increases stepwise with the increase of temperature. After the PTC heat-generating body is used for a long time, power can obviously diminish, and the shell can be electrified in the use, has the potential safety hazard, and in addition, the windage of PTC heat-generating body is big, leads to that the hot air volume is little, and the radiating efficiency is low, can reduce power when last PTC heat-generating body overtemperature, can reduce the risk of burning out the PTC heat-generating body like this, and use experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the cooling and heating fan which adopts the aluminum fin heating body, has the advantages of reduced power attenuation, high safety coefficient, large aluminum sheet interval, small wind resistance and wide whole size application range.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a cooling and heating fan, includes the casing, is equipped with air intake and air outlet on the casing, air intake department install flabellum or impeller in the casing, flabellum or impeller pass through motor drive, air outlet department installs cluster aluminium fin heat-generating body in the casing, motor and cluster aluminium fin heat-generating body all external power cord, cluster aluminium fin heat-generating body include a plurality of aluminum sheets of suit on heating tube and the heating tube, the wiring end is drawn forth respectively at the heating tube both ends, the heating tube include the metal tube shell, the porcelain head is inlayed respectively at the metal tube shell both ends, be provided with insulating filler in the metal tube shell, inlay in the insulating filler and be equipped with the heating wire, the heating wire both ends are connected with respectively and draw forth the stick, draw forth the stick and outwards extend and form the wiring end.

The aluminum fin heating element is annular or square, the lead-out rods penetrate through the porcelain head and are all connected with the electric heating wire in a welding mode.

The section of the heating tube is circular, rectangular or elliptical, and the section of the aluminum sheet is circular, rectangular or elliptical.

The aluminum sheet is plane, wavy or U-shaped with bent sides, and the heating tube is made of aluminum, iron or stainless steel.

The shell comprises a front shell and a rear shell, the front shell is provided with an air outlet, the rear shell is provided with an air inlet, and the rear shell is fixed on the base through a support rod.

The shell comprises a front shell and a rear shell, an air outlet is arranged on the front shell, and an air inlet is arranged on the arc-shaped surface of the front shell.

The casing include upper cover and lower cover, the upper cover all is provided with the air intake with the lower cover, the casing front end sets up the air outlet, the lower cover rotationally installs on the base.

The casing include the base, shell and backshell before installing respectively around the base, preceding shell and backshell all are equipped with the air intake, the processing of base lateral part has the air outlet.

The shell comprises a base, a front shell and a rear shell are arranged on the base, an air outlet is formed in the front shell, and an air inlet is formed in the rear shell.

The shell comprises a base, a lower cover is fixed on the base, an upper cover is buckled on the lower cover, an air outlet is formed in the side portion of the upper cover, and an air inlet is formed in the base.

Compared with the prior art, the utility model has the beneficial effects that: this device adopts cluster aluminium fin heat-generating body, and the power decay reduces, and cluster aluminium fin heat-generating body shell is uncharged during the use, and factor of safety is high, and the aluminum sheet interval can design great, reduces the windage, can design longer size on the overall structure, and when cluster aluminium fin heat-generating body overtemperature, power reduction is not obvious.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a schematic view of a second embodiment of the present invention;

FIG. 4 is an exploded view of a second embodiment of the present invention;

FIG. 5 is a third schematic view of the present invention;

FIG. 6 is a three-shot illustration of an embodiment of the present invention;

FIG. 7 is a fourth schematic view of the present invention;

FIG. 8 is a four-shot illustration of an embodiment of the present invention;

FIG. 9 is a fifth schematic view of an embodiment of the present invention;

FIG. 10 is an exploded view of an embodiment of the present invention;

FIG. 11 is a sixth schematic of an embodiment of the present invention;

FIG. 12 is a six-shot illustration of an embodiment of the present invention;

FIG. 13 is a view showing a structure of a heating element having aluminum fins according to the present invention;

FIG. 14 is a half-sectional view of a heat pipe according to the present invention.

The labels in the figures are: 1. a heat generating tube; 2. a terminal; 3. aluminum sheets; 5. an electric heating wire; 6. a porcelain head; 7. a metal tube shell; 8. insulating filler; 9. leading out a rod; 10. a front housing; 11. aluminum fin heating elements are connected in series; 12. a fan blade; 13. a motor; 14. a rear housing; 15. a base; 16. a power line; 17. an impeller; 18. an upper cover; 19. a lower cover; 20. and (7) air outlet.

Detailed Description

The following detailed description is provided in conjunction with the embodiments and with reference to the accompanying drawings in order to provide a further explanation of the technical features and advantages of the present invention.

As shown in figures 1-14, the cooling and heating fan of the utility model comprises a casing, an air inlet and an air outlet 20 are arranged on the casing, a fan blade 12 or an impeller 17 is arranged at the air inlet in the casing, the fan blade or the impeller is driven by a motor 13, the speed is reduced by a speed reducing mechanism such as a gear meshing transmission mechanism, an aluminum fin heating element 11 is arranged at the air outlet in the casing, the motor and the aluminum fin heating element are both externally connected with a power line 16, the power line is externally connected with a mains supply for supplying power, the aluminum fin heating element comprises a heating tube 1 and a plurality of aluminum sheets 3 sleeved on the heating tube, two ends of the heating tube are respectively led out of a wiring terminal 2, the wiring terminals are electrified by the power line, the heating tube comprises a metal tube shell 7, two ends of the metal tube shell are respectively embedded with a porcelain head 6, an insulating filler 8 is arranged in the metal tube, an electric heating wire 5 is embedded in the insulating filler, two ends of the electric heating wire are respectively connected with an outlet rod 9, the exit bars extend outward to form terminals as shown in fig. 13-14.

Furthermore, the aluminum fin heating element is annular or square, the aluminum fin heating element is used at the air outlet of the disc shape, the leading-out rods penetrate through the porcelain heads, and the leading-out rods are all connected with the electric heating wires in a welding mode. The section of the heating tube is circular, rectangular or elliptical, and the section of the aluminum sheet is circular, rectangular or elliptical. The aluminum sheet is plane, wavy or U-shaped with bent sides, and the heating tube is made of aluminum, iron or stainless steel. The air inlet and the air outlet are both formed by a plurality of hollowed-out through holes processed on a plate, and the strip-shaped pore plate or the rhombic pore plate is used for preventing the air from flowing out.

As shown in fig. 1 and 2, the casing includes a front casing 10 and a rear casing 14, an air outlet is arranged on the front casing, an air inlet is arranged on the rear casing, the rear casing is fixed on a base 15 through a support rod, and the cooling and heating fan adopts the fan blade air supply of three blades due to the fact that the front casing and the rear casing are in a disc shape, namely, the fan can normally blow air, the air outlet is in a circular cross section, so that an aluminum fin heating body with an annular structure is selected, and after heating, the fan blade air supply is carried out, and hot air blowing is facilitated.

As shown in fig. 3 and 4, the housing includes a front housing and a rear housing, the front housing is provided with an air outlet, the arc-shaped surface of the front housing is provided with an air inlet, the wall-hanging type structural design is adopted, the rear housing is hung on the wall, the cross section of the front housing is fan-shaped, and the cylindrical impeller is adopted for air supply.

As shown in fig. 5 and 6, the housing includes an upper cover 18 and a lower cover 19, both of which are provided with air inlets, the front end of the housing is provided with an air outlet, the lower cover is rotatably mounted on the base, and the desk-top fan heater adopts multi-blade fan blades to supply air, and the upper surface and the lower surface supply air and the side part supply air.

As shown in fig. 7 and 8, the casing comprises a base, a front casing and a rear casing are respectively arranged in front of and behind the base, the front casing and the rear casing are respectively provided with an air inlet, the side part of the base is provided with an air outlet, and the cabinet type air heater adopts multi-blade fan blades for air supply, is cuboid in overall shape and occupies small area.

As shown in fig. 9 and 10, the casing includes a base, a front casing and a rear casing are arranged on the base, an air outlet is arranged on the front casing, an air inlet is arranged on the rear casing, the vertical fan heater adopts a cylindrical impeller to supply air, the casing is similar to a cylinder in shape, the appearance is unique, the occupied area is small, and the range of the air outlet height is large.

As shown in fig. 11 and 12, the casing includes a base, a lower cover is fixed on the base, an upper cover is fastened on the lower cover, an air outlet is arranged on the side of the upper cover, an air inlet is arranged on the base, the clothes dryer, air is supplied to the base, fan blades supply air, and hot air is discharged from the side.

In the device, the leading-out rods of the two wiring ends are separated by the insulating filling material, the electric heating wire is connected between the two leading-out rods and is separated by the insulating filling material, the heating efficiency is increased, the arrangement and the arrangement of the electric heating wire in the insulating filling material are optimized, the motor, the fan blade/impeller, the aluminum sheet, the electric heating wire and the insulating filling material are the prior art or materials, and the technical personnel can directly purchase or order from the market according to the required product model and specification.

The electrical components are electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device for controlling a computer and the like.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The present invention is described in detail and completely by the technical solutions in the above embodiments, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a cooling and heating fan, its characterized in that, includes the casing, is equipped with air intake and air outlet on the casing, air intake department install flabellum or impeller in the casing, flabellum or impeller pass through motor drive, air outlet department installs cluster aluminium fin heat-generating body in the casing, motor and cluster aluminium fin heat-generating body all external power cord, cluster aluminium fin heat-generating body include a plurality of aluminum sheets of suit on heating tube and the heating tube, the wiring end is drawn forth respectively at the heating tube both ends, the heating tube include the metal tube shell, the metal tube shell both ends inlay the dress ceramic head respectively, are provided with insulating filler in the metal tube shell, inlay in the insulating filler and be equipped with the heating wire, the heating wire both ends are connected with respectively and draw forth the stick, draw forth the stick and outwards extend and form the wiring end.

2. The cooling-heating fan as claimed in claim 1, wherein the aluminum fin heating element is annular or square, and the leading-out rods penetrate through the porcelain head and are all connected with the heating wire in a welding manner.

3. The cooling-heating fan according to claim 2, wherein the cross section of the heating tube is circular, rectangular or elliptical, and the cross section of the aluminum sheet is circular, rectangular or elliptical.

4. The cooling-heating fan as claimed in claim 3, wherein the aluminum sheet has a planar, wavy or U-shaped bent shape, and the heating tube is made of aluminum, iron or stainless steel.

5. The cooling-heating fan as claimed in claim 4, wherein the casing comprises a front casing and a rear casing, the front casing is provided with an air outlet, the rear casing is provided with an air inlet, and the rear casing is fixed on the base through a support rod.

6. The cooling-heating fan according to claim 4, wherein the casing comprises a front casing and a rear casing, the front casing is provided with an air outlet, and the arc-shaped surface of the front casing is provided with an air inlet.

7. The cooling-heating fan as claimed in claim 4, wherein the casing comprises an upper cover and a lower cover, the upper cover and the lower cover are both provided with the air inlet, the front end of the casing is provided with the air outlet, and the lower cover is rotatably mounted on the base.

8. The cooling-heating fan as claimed in claim 4, wherein the casing comprises a base, a front casing and a rear casing are respectively installed at the front and the rear of the base, the front casing and the rear casing are respectively provided with an air inlet, and an air outlet is formed at the side of the base.

9. The cooling-heating fan as claimed in claim 4, wherein the casing includes a base, a front casing and a rear casing are disposed on the base, the front casing is provided with an air outlet, and the rear casing is provided with an air inlet.

10. The cooling-heating fan as claimed in claim 4, wherein the casing includes a base, a lower cover is fixed on the base, an upper cover is fastened on the lower cover, an air outlet is arranged on the side of the upper cover, and an air inlet is arranged on the base.