CN218093498U - Cold and warm dual-purpose circulating fan - Google Patents
Cold and warm dual-purpose circulating fan Download PDFInfo
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- CN218093498U CN218093498U CN202121842173.XU CN202121842173U CN218093498U CN 218093498 U CN218093498 U CN 218093498U CN 202121842173 U CN202121842173 U CN 202121842173U CN 218093498 U CN218093498 U CN 218093498U
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- heating
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- mesh enclosure
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Abstract
The utility model relates to a dual-purpose circulation fan of changes in temperature, it includes preceding screen panel, wind channel, fan blade, back screen panel and motor, and the wind channel is the annular tube-shape, and connect in the front between screen panel and the back screen panel, and in screen panel, wind channel and the space that the back screen panel encloses before the fan blade is located, the motor setting was connected on the screen panel of back and with the fan blade transmission, the inner wall in wind channel is equipped with the electric heat-generating body. This kind of dual-purpose circulating fan of changes in temperature utilizes its wind channel space, sets up electric heat-generating body at the wind channel inner wall, through starting electric heat-generating body and motor, can realize that the warm braw blows, when starting motor alone, can realize that cold wind blows, promotes the function of fan greatly.
Description
Technical Field
The utility model relates to a circulation fan, especially a dual-purpose circulation fan of changes in temperature.
Background
Chinese patent No. 202022068727.7 discloses an air purification circulation fan in 2021 year 7 month 20, including the driver shell that is used for installing the driver, the front side of driver shell is provided with net behind the air inlet, the front side of net is provided with the filter screen behind the air inlet, the front side of filter screen is provided with the locating part, the locating part with the driver shell is connected and is made net spacing is fixed behind filter screen and the air inlet on the driver shell. Since the circulation fan can blow only cool air, it is not suitable for use in winter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the deficiencies of the prior art and provide a dual-purpose circulation fan of changes in temperature that is rational in infrastructure, can blow cold (cool) wind or warm braw.
The purpose of the utility model is realized like this:
the utility model provides a dual-purpose circulation fan of changes in temperature, includes preceding screen panel, wind channel, fan blade, back screen panel and motor, and the wind channel is annular tube-shape and connects in the front between screen panel and the back screen panel, and the fan blade is located the space that screen panel, wind channel and back screen panel enclose before, and the motor setting is connected its characterized in that on the screen panel of back and with the fan blade transmission: and an electric heating body is arranged on the inner wall of the air duct.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, the electric heating body is an electric heating coating which is directly coated on the inner wall of the air duct, or a heat insulation material layer is also arranged between the electric heating coating and the inner wall of the air duct; the electric heating coating is in contact with the electrode, and the electrode is arranged on the air duct, on the surface of the electric heating coating or inside the electric heating coating.
As a further scheme, the electric heating coating is a graphene coating or a far infrared carbon nanofiber heating coating. The structural features of the electric heating heat-generating coating are listed in patent application nos. 202010369376.5, 201910548890.2, 201510593309.0, 202020777751.5, etc., so the specific structure of the electric heating heat-generating coating is not further described here.
As a further scheme, the air duct is made of high-temperature-resistant plastics, the electrode and the air duct are integrally formed in an injection molding mode, and the waterproofness of the electrode is improved.
As a further scheme, the electric heating device further comprises a control circuit, wherein a warm air control output circuit, a cold air control output circuit and a cold and warm switching control circuit are arranged in the control circuit, the motor is selectively and electrically connected with the warm air control output circuit or the cold air control output circuit through the cold and warm switching control circuit, and the electric heating body is electrically connected with the warm air control output circuit. The cold-warm switching control circuit can be switched to warm air control or cold air control, and when the warm air control is carried out, the motor is forcibly started under the condition that the electric heating body works (works to a certain temperature), so that the air duct is prevented from being overheated; of course, in order to avoid blowing out cool air at the time of warm air control, the maximum rotational speed output of the motor may be reduced. And when the cold air is controlled, the electric heating body does not work.
As a further scheme, an electrode socket is arranged on the air duct, and the electrode extends into the electrode socket; the warm air control output is in plug-in fit with the electrode socket through a plug. The air duct is convenient to disassemble and clean.
As a further scheme, an outer ring is further arranged on the outer side of the air duct. The outer ring can play the decoration effect on the one hand, and on the other hand, the efficiency that the heat outwards propagated when hindering the wind channel to generate heat plays certain thermal-insulated effect.
As a further scheme, heat insulation cotton is arranged between the outer ring and the air duct, so that a further heat insulation effect is achieved, and meanwhile, a sound insulation effect is achieved.
As a further scheme, a plurality of arc-shaped air guide blades are annularly distributed on the surface of the front mesh enclosure, and the front mesh enclosure is connected with the air duct; the rear side of the rear mesh enclosure is provided with a concave cavity, the motor is connected in the concave cavity through a motor frame, and a motor shaft penetrates through the concave cavity to be connected with the fan blades. The arc-shaped air guide blades distributed in an annular mode guide blown air to be conveyed in a spiral mode, the air supply distance is longer, obvious impact feeling is not brought to a human body, and the wind feeling is more comfortable.
As a further scheme, the novel screen hood further comprises a base, a supporting rod, a movable supporting head and a swing frame, wherein the supporting rod is arranged on the base, the movable supporting head is horizontally arranged at the upper end of the supporting rod in a rotating mode, the swing frame is vertically arranged on the movable supporting head in a rotating mode, the swing frame is arranged in a concave cavity of the rear screen hood, and a rear cover is arranged on the rear side of the concave cavity.
The utility model has the advantages as follows:
this kind of dual-purpose circulating fan of changes in temperature utilizes its wind channel space, sets up electric heat-generating body at the wind channel inner wall, through starting electric heat-generating body and motor, can realize that the warm braw blows, when starting motor alone, can realize that cold wind blows, promotes the function of fan greatly.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the present invention.
Fig. 2 is another angle structure diagram of fig. 1.
Fig. 3 is a schematic view of the air duct structure of the present invention.
Fig. 4 is an enlarged schematic structural view of a in fig. 3 according to the present invention.
Fig. 5 is a schematic view of the local main view structure of the present invention.
FIG. 6 is a schematic sectional view of the structure of FIG. 5B-B.
Fig. 7 is a schematic view of an angle three-dimensional structure of the present invention.
Fig. 8 is a schematic view of another perspective structure of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1 to 8, the cooling and heating dual-purpose circulation fan comprises a front mesh enclosure 1, an air duct 4, fan blades 5, a rear mesh enclosure 6 and a motor 7, wherein the air duct 4 is in an annular cylindrical shape and is connected between the front mesh enclosure 1 and the rear mesh enclosure 6, the fan blades 5 are located in a space surrounded by the front mesh enclosure 1, the air duct 4 and the rear mesh enclosure 6, the motor 7 is arranged on the rear mesh enclosure 6 and is in transmission connection with the fan blades 5, and an electric heating body 41 is arranged on the inner wall of the air duct 4.
The electric heating body 41 is an electric heating coating which is directly coated on the inner wall of the air duct 4; the electrically heated exothermic coating is in contact with an electrode 42, the electrode 42 being disposed on the air duct 4.
The electric heating coating is a graphene coating or a far infrared carbon nanofiber heating coating.
The air duct 4 is made of high-temperature-resistant plastic, and the electrode 42 and the air duct 4 are integrally formed by injection molding.
The electric heating device further comprises a control circuit (not shown in the figure), a warm air control output, a cold air control output and a cold and warm switching control circuit are arranged in the control circuit, the motor 7 is selectively electrically connected with the warm air control output or the cold air control output through the cold and warm switching control circuit, and the electric heating body 41 is electrically connected with the warm air control output.
An electrode socket 43 is arranged on the air duct 4, and the electrode 42 extends into the electrode socket 43; the warm air control output is in plug-in fit with the electrode socket 43 through a plug.
And an outer ring 2 is also arranged on the outer side of the air duct 4. And heat insulation cotton 3 is arranged between the outer ring 2 and the air duct 4.
A plurality of arc-shaped air guide blades 11 are annularly distributed on the surface of the front mesh enclosure 1, and the front mesh enclosure 1 is connected with the air duct 4; the rear side of the rear mesh enclosure 6 is provided with a concave cavity 61, the motor 7 is connected in the concave cavity 61 through a motor frame 62, and a motor shaft penetrates through the concave cavity 61 to be connected with the fan blades 5.
The rear net cover comprises a base 20, a support rod 10, a movable support head 9 and a swing frame 8, wherein the support rod 10 is arranged on the base 20, the movable support head 9 is horizontally arranged at the upper end of the support rod 10 in a rotating mode, the swing frame 8 is vertically arranged on the movable support head 9 in a rotating mode, the swing frame 8 is arranged in a cavity 61 of the rear net cover 6, and a rear cover 63 is arranged on the rear side of the cavity 61.
The working principle is as follows: the cold-warm switching control circuit can be switched to warm air control or cold air control, and when the warm air control is carried out, the motor is forcibly started under the condition that the electric heating body works (works to a certain temperature), so that the air duct is prevented from being overheated; of course, in order to avoid blowing out cool air at the time of warm air control, the maximum rotational speed output of the motor may be reduced. And when the cold air is controlled, the electric heating body does not work.
Claims (10)
1. The utility model provides a dual-purpose circulation fan of changes in temperature, mesh enclosure (1) before including, wind channel (4), fan blade (5), back mesh enclosure (6) and motor (7), wind channel (4) are the annular tube-shape, and connect in the front between mesh enclosure (1) and back mesh enclosure (6), in mesh enclosure (1) before fan blade (5) are located, wind channel (4) and the space that back mesh enclosure (6) enclose, motor (7) set up on back mesh enclosure (6) and are connected its characterized in that with fan blade (5) transmission: and an electric heating body (41) is arranged on the inner wall of the air duct (4).
2. The cooling and heating dual-purpose circulation fan according to claim 1, wherein: the electric heating body (41) is an electric heating coating which is directly coated on the inner wall of the air duct (4), or a heat insulation material layer is arranged between the electric heating coating and the inner wall of the air duct (4); the electric heating coating is contacted with the electrode (42), and the electrode (42) is arranged on the air duct (4), on the surface of the electric heating coating or in the electric heating coating.
3. A cooling and heating dual-purpose circulation fan according to claim 2, characterized in that: the electric heating coating is a graphene coating or a far infrared carbon nanofiber heating coating.
4. A cooling and heating dual-purpose circulation fan according to claim 2, characterized in that: the air duct (4) is made of high-temperature-resistant plastics, and the electrode (42) and the air duct (4) are integrally formed in an injection molding mode.
5. A cooling and heating dual-purpose circulation fan according to claim 2, characterized in that: the heating and cooling control system is characterized by further comprising a control circuit, wherein a heating air control output circuit, a cold air control output circuit and a cooling and heating switching control circuit are arranged in the control circuit, the motor (7) is selectively electrically connected with the heating air control output circuit or the cold air control output circuit through the cooling and heating switching control circuit, and the electric heating body (41) is electrically connected with the heating air control output circuit.
6. The cooling and heating dual-purpose circulation fan according to claim 5, wherein: an electrode socket (43) is arranged on the air duct (4), and the electrode (42) extends into the electrode socket (43); the warm air control output is in plug-in fit with the electrode socket (43) through a plug.
7. A cooling and heating dual-purpose circulation fan according to claim 1, characterized in that: and an outer ring (2) is also arranged on the outer side of the air duct (4).
8. The cooling and heating dual-purpose circulation fan according to claim 7, wherein: and heat insulation cotton (3) is arranged between the outer ring (2) and the air duct (4).
9. The cooling and heating dual-purpose circulation fan according to claim 1, wherein: a plurality of arc-shaped air guide blades (11) are annularly distributed on the surface of the front mesh enclosure (1), and the front mesh enclosure (1) is connected with the air duct (4); the rear side of the rear mesh enclosure (6) is provided with a concave cavity (61), the motor (7) is connected in the concave cavity (61) through a motor frame (62), and a motor shaft penetrates through the concave cavity (61) to be connected with the fan blade (5).
10. A cooling and heating dual-purpose circulation fan according to claim 9, characterized in that: the novel swing type screen window is characterized by further comprising a base (20), a supporting rod (10), a movable supporting head (9) and a swing frame (8), wherein the supporting rod (10) is arranged on the base (20), the movable supporting head (9) is horizontally arranged at the upper end of the supporting rod (10) in a rotating mode, the swing frame (8) is vertically arranged on the movable supporting head (9) in a rotating mode, the swing frame (8) is arranged in a cavity (61) of the rear screen cover (6), and a rear cover (63) is arranged on the rear side of the cavity (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121842173.XU CN218093498U (en) | 2021-08-06 | 2021-08-06 | Cold and warm dual-purpose circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121842173.XU CN218093498U (en) | 2021-08-06 | 2021-08-06 | Cold and warm dual-purpose circulating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093498U true CN218093498U (en) | 2022-12-20 |
Family
ID=84443022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121842173.XU Active CN218093498U (en) | 2021-08-06 | 2021-08-06 | Cold and warm dual-purpose circulating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093498U (en) |
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2021
- 2021-08-06 CN CN202121842173.XU patent/CN218093498U/en active Active
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