CN210602084U

CN210602084U - Embedded type cooling fan

Info

Publication number: CN210602084U
Application number: CN201921627145.9U
Authority: CN
Inventors: 梁兆铭
Original assignee: Guangdong Liangtian Brothers Electric Appliance Co ltd
Current assignee: Guangdong Liangtian Brothers Electric Appliance Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-22
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an embedded cooling fan, which comprises a lower cover, an upper cover, an impeller and a motor, wherein the upper cover is provided with an embedded fixing edge used for installing and positioning with a ceiling keel frame, the motor is fixedly arranged at the central part of the inner side of the lower cover, the impeller is coaxially connected with a rotating shaft of the motor, the central part of the lower cover is provided with an air outlet, the lower cover is provided with a first air inlet used for air inlet of the embedded cooling fan, the side surface of the upper cover is provided with a square hole, the square hole is sealed and covered with a heat exchanger, the heat exchanger is fixedly arranged on the inner wall of the upper cover, the heat exchanger is fixedly attached with a semiconductor refrigeration sheet, the semiconductor refrigeration sheet is positioned in the square hole, the heat exchanger is attached with the cold surface of the semiconductor refrigeration sheet, the hot surface of the semiconductor refrigeration sheet is fixedly attached with an outer radiator, the outer top of the upper cover is fixedly provided with a, it can blow out wind with lower indoor temperature.

Description

Embedded type cooling fan

Technical Field

The utility model relates to a fan field, concretely relates to embedded thermantidote.

Background

At present, an embedded fan is an axial flow fan which can be embedded and installed in a ceiling, generally, the embedded fan is embedded and installed in a square plate assembled ceiling, when the embedded fan is installed, only one square plate needs to be disassembled, then the embedded fan is embedded into a square hole left after the square plate is disassembled, then the four sides of the embedded fan are fixed on a keel frame of an original ceiling through screws, the original ceiling structure is not affected, the biggest difference of the fan and a common fan is that an air inlet which is positioned beside an air outlet is arranged on the front side, because the back side of the embedded fan is a space between the ceiling and a house roof which is relatively closed, the air inlet of the embedded fan cannot be supplemented, the air supply effect is poor, in order to prevent dust from polluting an impeller, the back side of the embedded fan is generally made to be dry and crisp and closed, the air inlet is beneficial to air flow guiding, and then the air inlet is, the embedded fan has the advantages that the embedded fan does not occupy the space of the ground or the wall, is embedded, reduces the influence of the indoor height space compared with the traditional three-blade ceiling fan, has the advantages that the blowing range is not easily blocked by tables and chairs and the like, but the function of the embedded fan in the prior art is simpler, and when the embedded fan is used in summer in the south, the embedded fan in the prior art has high indoor temperature, and the wind blown out by the embedded fan in the prior art can not cause people to feel cool and pleasant, so the embedded fan in the prior art still has limitation.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide an embedded thermantidote, it can blow off the wind that is lower than indoor temperature.

The purpose of the utility model is realized by the following technical scheme.

An embedded cooling fan comprises a lower cover, an upper cover, an impeller and a motor, wherein the lower cover is buckled with the upper cover in a matching way, the upper cover is provided with an embedded fixing edge used for being installed and positioned with a ceiling keel frame, the lower cover is provided with a first air inlet, a second air inlet, an air outlet and a support used for fixing the motor, the support is arranged at the inner central part of the lower cover, the impeller is coaxially connected with a rotating shaft of the motor, the embedded cooling fan is characterized in that the side surface of the upper cover is provided with a square hole, the square hole is sealed and covered with a heat exchanger, the heat exchanger is fixedly arranged on the inner wall of the upper cover, the heat exchanger is fixedly attached with a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is positioned in the square hole, the heat exchanger is attached with the cold surface of the semiconductor refrigerating sheet, the hot surface of the semiconductor refrigerating sheet is fixedly attached with an outer heat radiator, and the outer top, the semiconductor refrigeration piece is electrically connected with the direct current switch power supply.

Furthermore, the outer radiator is in a cuboid shape, and a plurality of radiating grooves are formed in the outer radiator.

Furthermore, the wall of the heat dissipation groove is provided with a saw-toothed protrusion.

Further, the heat exchanger is rectangular, and the heat exchanger is provided with a plurality of air passing grooves.

Further, the number of the square holes is four, and the square holes are all arranged on the upper cover by taking a motor shaft of the motor as a central shaft.

Furthermore, the number of the first air inlets is four, and the first air inlets are all arranged on the lower cover by taking a motor shaft of the motor as a central shaft;

the number of the second air inlets is four, the second air inlets are all arranged on the lower cover by taking a motor shaft of the motor as a central shaft, and the like, and the second air inlets are positioned between the first air inlets and the air outlets.

Furthermore, the air outlet is provided with an air guide rotary table for changing the wind direction, and the air guide rotary table is movably connected with the support.

Furthermore, the support is provided with an output shaft movably connected with the air guide rotary table, and the output shaft is coaxial with the support for mounting the motor.

Compared with the prior art, the utility model, its beneficial effect is: the utility model discloses an upper cover side is equipped with the square hole, the square hole closing cap has heat exchanger, heat exchanger fixed mounting is in the upper cover inner wall, the fixed laminating of heat exchanger bottom surface has the semiconductor refrigeration piece, the semiconductor refrigeration piece is located the square hole, the cold side laminating of heat exchanger and semiconductor refrigeration piece, the fixed laminating of hot side of semiconductor refrigeration piece has outer radiator, when embedded thermantidote rotates the air-feeding, the peripheral air current of embedded thermantidote is inhaled in the embedded thermantidote from first air intake, the air current is via above-mentioned heat exchanger, because the cold side laminating of heat exchanger and semiconductor refrigeration piece, then heat exchanger's temperature is lower than indoor temperature, the air current carries out the heat exchange with heat exchanger, the air current becomes cold and blows out from the air outlet, then relatively colder wind energy makes the people feel cooler more.

Drawings

Fig. 1 is a front schematic view of the present invention.

Fig. 2 is a top view corresponding to fig. 1.

Fig. 3 is a schematic view of the installation section of the present invention.

Fig. 4 is a schematic view of the mounting structure of the motor, the bracket and the impeller according to the present invention.

Fig. 5 is a schematic diagram of the position relationship between the heat exchanger and the upper cover according to the present invention.

Fig. 6 is a partially enlarged view of a portion a of fig. 3.

Fig. 7 is a schematic structural view of the outer radiator of the present invention.

Fig. 8 is a partially enlarged view of fig. 3 at B.

Description of reference numerals: 1-lower cover; 102-a first air inlet; 103-a second air inlet; 104-air outlet; 105-a scaffold; 2, wind guide rotary table; 3-dial tight factor knob; 4, covering the upper cover; 401-square hole; 402-embedding a fixed edge; 5-an impeller; 6, a motor; 601-an output shaft 601; 7-external radiator; 701-a heat dissipation groove; 7011-jagged protrusions; 8-semiconductor refrigerating sheet; 801-a wire; 802-cold noodle; 803-hot side; 9-a heat exchanger; 901-air passing grooves; 10-a direct current switching power supply; 11-a ceiling; 12-keel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 8, the embedded cooling fan of the present invention comprises a lower casing 1, an upper cover 4, an impeller 5 and a motor 6, as shown in fig. 8, the outer edge of the lower casing 1 is adapted to the outer edge of the upper cover 4, the upper cover 4 is used for preventing the dust at the top of the room from falling down and accumulating on the impeller 5, the upper cover 4 is provided with an embedded fixing edge 402 for installing and positioning with a ceiling keel frame, the keel 12 in fig. 8 is an aluminum profile for forming the ceiling keel frame, as shown in fig. 3, the motor 6 is fixedly installed at the central portion inside the lower casing 1, the impeller 5 is coaxially connected with the rotating shaft of the motor 6, the lower casing 1 is provided with a first air inlet 102, a second air inlet 103, an air outlet 104 and a bracket 105 for fixing the motor 6, the air outlet 104 is provided with an air guiding rotary disc 2 for changing the wind direction, the air guiding rotary disc 2 is movably connected with the bracket 105, the air guiding rotary disc 2 is used, the air supply range is expanded. As shown in fig. 3 and 4, in order to mount the air guide rotary disc 2 on the support 105, the support 105 is provided with an output shaft 601 movably connected with the air guide rotary disc 2, the output shaft 601 is coaxial with the support 105 for mounting the motor, the air guide rotary disc 2 is movably connected on the output shaft 601 of the support 105, the working principle of the air guide rotary disc 2 is consistent with that of an air guide rotary disc of a commercially available box fan (hong Yun Fan), and the speed of the air guide rotary disc can be controlled by adjusting the position state of the rotary disc on the box fan (hong Yun Fan) due to the tightness and looseness of the knob 3, so as to control the speed of the air flow, which is not repeated in this specification.

As shown in fig. 2 and 3, a square hole 401 is provided on the side of the upper cover 4, the square hole 401 is covered with a heat exchanger 9 made of aluminum, the heat exchanger 9 is fixedly mounted on the inner wall of the upper cover 4 by screws, the heat exchanger 9 is fixedly attached with a semiconductor refrigeration sheet 8, the semiconductor refrigeration sheet 8 is located in the square hole 401, the heat exchanger 9 is attached with a cold surface 802 of the semiconductor refrigeration sheet 8, a hot surface 803 of the semiconductor refrigeration sheet 8 is fixedly attached with an external heat radiator 7 made of aluminum, a dc switch power supply 10 is fixedly mounted on the top of the outside of the upper cover 4, the semiconductor refrigeration sheet 8 is electrically connected with the dc switch power supply 10 through a wire 801, the semiconductor refrigeration sheet 8 is an electric element on the market, and it utilizes the Peltier effect of semiconductor materials, when dc passes through a couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the couple respectively, the purpose of refrigeration can be realized, the semiconductor refrigeration piece on the market is generally square in shape, the side which absorbs heat is generally called cold side, and the side which emits heat is generally called hot side, the temperature difference between the cold side and the hot side is approximately constant under the normal working state, the direct current switch power supply 10 is also a common product on the market, and can convert 220V alternating current into 12V direct current which is just matched with the semiconductor refrigeration piece with 12V specification.

Embedded thermantidote in-service installation use as shown in fig. 3, in the support body that fossil fragments 12 of ceiling are embedded into to upper cover 4, fossil fragments 12 generally are the aluminium alloy, as shown in fig. 8, this embedded thermantidote passes through the fix with screw on fossil fragments 12, when impeller 5 of embedded thermantidote rotates the air-feed, as shown in the arrow of fig. 3, the peripheral air of embedded thermantidote is inhaled in the embedded thermantidote from first air intake 102, some air current is via above-mentioned heat exchanger 9, because the laminating of heat exchanger 9 and semiconductor refrigeration piece 8's cold side 802, then heat exchanger 9's temperature is lower than indoor temperature, the air current carries out the heat exchange with heat exchanger 9, the air current becomes cold and blows out from air outlet 104, then relatively cooler wind energy makes the people feel cooler more. The heat of the hot surface 803 of the semiconductor cooling fin 8 is absorbed by the outer radiator 7 and dissipated to the space between the ceiling 11 and the indoor ceiling, and an exhaust fan may be additionally and independently installed to exhaust the heat from the space, and the exhaust fan may be provided with an air inlet communicating with the outdoor space between the ceiling 11 and the indoor ceiling to take the heat staying between the ceiling 11 and the indoor ceiling out of the outdoor space.

Further, as shown in fig. 6, the outer heat sink 7 is formed in a rectangular parallelepiped shape, the outer heat sink 7 is provided with a plurality of heat dissipating grooves 701, the heat dissipating grooves 701 can increase the heat dissipating area, and the heat dissipating effect of the hot surface 803 of the semiconductor cooling fin 8 is improved, and since the temperature difference between the cold surface 802 and the hot surface 803 of the semiconductor cooling fin 8 is substantially constant, the temperature of the hot surface 803 can be lowered, that is, the temperature of the cold surface 802 can be lowered, and the temperature of the cold surface 802 can be lowered, which is favorable for cooling the blown air.

Further, as shown in fig. 7, the wall of the heat sink 701 is provided with the saw-toothed protrusion 7011, which can further increase the heat dissipation area and improve the heat dissipation effect.

Further, as shown in fig. 5, the heat exchanger 9 is formed in a rectangular parallelepiped shape, the heat exchanger 9 is provided with a plurality of air passing grooves 901, as shown in fig. 5, the air passing grooves 901 are perpendicular to the outer shape edges of the upper cover 4, the perpendicular arrangement is favorable for reducing the wind resistance when the air passes through the air passing grooves 901, the air passing grooves 901 can be relatively wide, if the air passing grooves are too narrow, the wind resistance becomes large, the air passing grooves 901 can increase the heat exchange area between the air and the heat exchanger 9, the heat exchange efficiency is improved, and the blown air is cooled more quickly.

Further, as shown in fig. 1 and 5, the number of the square holes 401 is set to four, and the square holes 401 are all provided on the upper cover 4 with the motor shaft of the motor 6 as a central shaft, etc.; for the present embodiment, the square hole 401 is correspondingly provided with the outer heat sink 7, the semiconductor cooling fins 8 and the heat exchanger 9, the number of the first air inlets 102 is four, and the first air inlets 102 are all disposed on the lower cover 1 with the motor shaft of the motor 6 as a central axis, as shown in fig. 1, the first air inlets 102 are respectively symmetrically and equally disposed on the side of the lower cover 1, and the first air inlets 102 are located at positions corresponding to the heat exchanger 9, so that the air flow passing through the first air inlets 102 achieves a better heat exchange effect; similarly, the number of the second air inlets 103 is set to four, the second air inlets 103 are all disposed on the lower housing 1 with the motor shaft of the motor 6 as a central axis, and the second air inlets 103 are located between the first air inlets 102 and the air outlets 104. The technical scheme is mainly used for enabling air flow to uniformly and quickly enter the air supply position of the embedded cooling fan at 360 degrees, and particularly the technical scheme of the second air inlet 103 fully utilizes the area of the lower cover 1, increases the area of an air inlet channel, reduces air inlet wind resistance, enables air inlet to be smoother, and is favorable for improving the air supply efficiency of the embedded cooling fan. Through the arrangement, partial airflow entering the embedded cooling fan from the first air inlet 102 can be cooled through the heat exchanger 9 on the surface of the semiconductor chilling plate 8, and blown air is further cooled quickly.

Claims

1. The utility model provides an embedded thermantidote, includes lower cover (1), upper cover (4), impeller (5) and motor (6), lower cover (1) and upper cover (4) adaptation lock, upper cover (4) are equipped with and are used for fixing limit (402) with the embedding of ceiling keel frame installation location, lower cover (1) is equipped with first air intake (102), second air intake (103), air outlet (104) and support (105) that are used for fixed motor (6), support (105) set up in the inboard central part of lower cover (1), impeller (5) with the pivot of motor (6) is connected coaxially, its characterized in that: upper cover (4) side is equipped with square hole (401), square hole (401) closing cap has heat exchanger (9), heat exchanger (9) fixed mounting in upper cover (4) inner wall, heat exchanger (9) are fixed to be laminated and have semiconductor refrigeration piece (8), semiconductor refrigeration piece (8) are located in square hole (401), heat exchanger (9) with the laminating of cold side (802) of semiconductor refrigeration piece (8), the fixed laminating of hot side (803) of semiconductor refrigeration piece (8) has outer radiator (7), the outer top fixed mounting of upper cover (4) has DC switch power supply (10), semiconductor refrigeration piece (8) with DC switch power supply (10) electricity is connected.

2. The embedded cooling fan according to claim 1, characterized in that: the outer radiator (7) is in a cuboid shape, and a plurality of radiating grooves (701) are formed in the outer radiator (7).

3. The embedded cooling fan according to claim 2, characterized in that: the wall of the heat dissipation groove (701) is provided with sawtooth-shaped protrusions (7011).

4. The embedded cooling fan according to claim 1, characterized in that: the heat exchanger (9) is in a cuboid shape, and the heat exchanger (9) is provided with a plurality of air passing grooves (901).

5. The embedded cooling fan according to claim 1, characterized in that: the number of the square holes (401) is four, and the square holes (401) are all arranged on the upper cover (4) by taking a motor shaft of the motor (6) as a central shaft.

6. The embedded cooling fan according to claim 1, characterized in that: the number of the first air inlets (102) is four, and the first air inlets (102) are all arranged on the lower cover (1) by taking a motor shaft of the motor (6) as a central shaft;

the number of the second air inlets (103) is set to be four, the second air inlets (103) are all arranged on the lower cover (1) by taking a motor shaft of the motor (6) as a central shaft, and the like, and the second air inlets (103) are positioned between the first air inlets (102) and the air outlets (104).

7. The embedded cooling fan according to any one of claims 1 to 6, characterized in that: air outlet (104) are equipped with air guide rotary table (2) that are used for changing the wind direction, air guide rotary table (2) and support (105) swing joint.

8. The embedded cooling fan according to claim 7, characterized in that: the support (105) is provided with an output shaft (601) movably connected with the air guide rotary disc (2), and the output shaft (601) is coaxial with the support (105) provided with a motor.