CN218495056U

CN218495056U - Electric warm-air machine

Info

Publication number: CN218495056U
Application number: CN202222564980.0U
Authority: CN
Inventors: 罗明陶; 董劲松; 朱博炎; 田霖
Original assignee: Hongyuan Dineng Heat Pump Technology Zhongshan Co ltd
Current assignee: Hongyuan Dineng Heat Pump Technology Zhongshan Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-17
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses an electric fan heater, including casing, centrifugal wind wheel and rotation driver. The electric warm-air machine includes shell body, centrifugal wind wheel and rotary driver. The shell is provided with an air outlet cavity; the centrifugal wind wheel is arranged on the shell, and the rotating axis of the centrifugal wind wheel is vertically arranged; the rotation driver is arranged on the shell and connected with the centrifugal wind wheel and used for driving the centrifugal wind wheel to rotate; the centrifugal wind wheel is arranged in the air outlet cavity, the air outlet cavity is arranged around the periphery of the centrifugal wind wheel, an air outlet facing to the horizontal direction is formed in the outer peripheral side of the air outlet cavity, the air outlet is arranged around the axis of the centrifugal wind wheel, and the air outlet is opposite to the periphery of the centrifugal wind wheel in the horizontal direction; for traditional electric fan heater, the wind current that centrifugal wind wheel air-out side blew out need not to turn to through turning round in wind channel for the wind current has higher wind speed when leaving the casing from the air outlet, thereby can increase the air-out distance of the wind current that blew out from the air outlet.

Description

Electric warm-air machine

Technical Field

The utility model relates to a warm braw equipment field, in particular to electric warm-air blower.

Background

The utility model provides a current electric warm braw machine, along vertical being provided with the wind channel, wind channel upper portion encircles all around and has seted up the air outlet, and the lower extreme in wind channel is provided with wind wheel and the motor of axial air-out, and the motor drive wind wheel sends the outside air into the wind channel, and wind channel mid-mounting has the heating tube, and the air in process wind channel can be heated up by the heating tube, turns to horizontal direction back from the air outlet air-out by the upper end in wind channel afterwards. However, the distance of the air flow blown out from the air outlet by the electric heating fan is short, and higher use requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide an electric fan heater, can increase the air-out distance of the air current that blows off from the air outlet.

According to the utility model discloses electric warm air blower, including casing, centrifugal wind wheel and rotation driver. The shell is provided with an air outlet cavity; the centrifugal wind wheel is arranged on the shell, and the rotating axis of the centrifugal wind wheel is vertically arranged; the rotary driver is arranged on the shell and connected with the centrifugal wind wheel and used for driving the centrifugal wind wheel to rotate; the air outlet cavity is arranged around the periphery of the centrifugal wind wheel, an air outlet facing to the horizontal direction is formed in the outer peripheral side of the air outlet cavity, the air outlet is arranged around the axis of the centrifugal wind wheel, and the air outlet is opposite to the periphery of the centrifugal wind wheel in the horizontal direction.

According to the utility model discloses electric warm-air drier has following beneficial effect at least: the casing has the air-out cavity, when rotating driver drive centrifugal wind wheel and rotating, centrifugal wind wheel's air-out side sends out wind, because the air outlet is relative with air-out side level, the wind that centrifugal wind wheel sent out can directly be followed air-out cavity periphery side and surrounded the air outlet of seting up and blow off, for traditional electric fan heater, the wind current that centrifugal wind wheel air-out side blown out need not to turn round through turning in wind channel, have higher wind speed when making the wind current leave the casing from the air outlet, thereby can increase the air-out distance from the wind current that the air outlet blew off.

According to some embodiments of the utility model, the casing is provided with wind-guiding structure, wind-guiding structure includes a plurality of deflectors, the deflector vertical set up in the casing is located the air-out cavity is a plurality of the deflector encircles centrifugal wind wheel's axis of rotation is arranged and is set up, the deflector is located centrifugal wind wheel with between the air outlet, all the deflector towards same circumference direction for centrifugal wind wheel's radial direction slope sets up.

According to the utility model discloses a some embodiments, adjacent two enclose into the air-out passageway between the deflector, the air-out passageway is close to the one end of centrifugal wind wheel is to keeping away from the width of the one end of centrifugal wind wheel has the trend of increase.

According to some embodiments of the utility model, the casing includes main part and upper cover, the upper cover with the main part interval sets up, the deflector is located the upper cover with between the main part, the upper end of deflector with the upper cover is connected, the lower extreme of deflector with the main part is connected.

According to some embodiments of the utility model, the deflector integrated into one piece set up in the upper cover, the main part be provided with the constant head tank of deflector one-to-one, the lower extreme of deflector peg graft in corresponding the constant head tank.

According to some embodiments of the utility model, the casing is provided with centrifugal wheel air intake and heating cavity, the heater has been held in the heating cavity, the heating cavity passes through the centrifugal wheel air intake with the air-out cavity intercommunication, the chamber wall of heating cavity has been seted up and has been linked to the heating chamber air intake outside the casing.

According to some embodiments of the present invention, the centrifugal wheel air intake is located in the upper portion of the heating chamber, the heating chamber air intake is located in the lower portion of the heating chamber, and the heater is located the heating chamber air intake with between the centrifugal wheel air intake.

According to some embodiments of the utility model, centrifugal wheel air intake is along vertical seting up in the last side chamber wall of heating cavity, heating cavity air intake is along vertical seting up in the lower side chamber wall of heating cavity, the centrifugal wheel air intake with it is vertical relative along to heat the cavity air intake.

According to some embodiments of the present invention, the heater includes a plurality of heating pipes, the heating pipe set up in the casing is located the heating chamber, and is a plurality of the heating pipe interval arrangement sets up.

According to the utility model discloses a some embodiments, the casing is provided with the centrifugal wheel air intake, the air inlet side of centrifugal wind wheel with the centrifugal wheel air intake is relative, the air inlet side of centrifugal wind wheel is located the downside of centrifugal wind wheel.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic perspective view of an electric air heater according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view of the electric heater blower of FIG. 1 in the direction A-A;

FIG. 3 is a sectional view in the direction B-B of the electric radiator fan of FIG. 1;

fig. 4 is a schematic top view of the main body and the centrifugal wind wheel of the electric air heater of the embodiment of the present invention.

Reference numerals are as follows:

the centrifugal fan comprises a shell 100, an air outlet chamber 110, an air outlet 120, a centrifugal wheel air inlet 130, a guide plate 140, a main body 150, a positioning groove 151, an upper cover 160, a heating chamber 170 and a heating chamber air inlet 180;

a centrifugal wind wheel 200;

a heater 300;

the rotation axis C of the centrifugal wind wheel.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 4, an electric heater blower according to an embodiment of the present invention includes a housing 100, a centrifugal wind wheel 200, and a rotation driver (not shown). The housing 100 is provided with an air outlet chamber 110; the centrifugal wind wheel 200 is arranged on the shell 100, and the rotation axis of the centrifugal wind wheel 200 is vertically arranged; the rotation driver is arranged on the shell 100, connected with the centrifugal wind wheel 200 and used for driving the centrifugal wind wheel 200 to rotate; the air outlet chamber 110 is disposed around the periphery of the centrifugal wind wheel 200, the air outlet 120 facing the horizontal direction is disposed on the outer peripheral side of the air outlet chamber 110, the air outlet 120 is disposed around the axis of the centrifugal wind wheel 200, and the air outlet 120 is opposite to the periphery of the centrifugal wind wheel 200 along the horizontal direction. Casing 100 has air-out cavity 110, when rotation driver drive centrifugal wind wheel 200 rotates, centrifugal wind wheel 200's air-out side sends out wind, because air outlet 120 is relative with air-out side level, the wind that centrifugal wind wheel 200 sent out can directly encircle the air outlet 120 who sets up from air-out cavity 110 periphery side and blow out, for traditional electric fan heater, the wind current that centrifugal wind wheel 200 air-out side blew out need not to turn round through turning in wind channel, have higher wind speed when making the wind current leave casing 100 from air outlet 120, thereby can increase the air-out distance of the wind current that blows out from air outlet 120. Specifically, the rotational axis of centrifugal wind wheel 200 is indicated by C in fig. 2.

Specifically, the rotation driver is configured as a motor, and an output shaft of the motor is connected to the centrifugal wind wheel 200 to drive the centrifugal wind wheel 200 to rotate. It is conceivable that the rotary drive can also be an internal combustion engine, the output shaft of which is connected to the centrifugal rotor 200.

In an embodiment, the casing 100 is provided with a wind guiding structure, the wind guiding structure includes a plurality of guide plates 140, the guide plates 140 are vertically disposed on the casing 100 and located in the wind outlet chamber 110, the plurality of guide plates 140 are arranged around a rotation axis of the centrifugal wind wheel 200, the guide plates 140 are located between the centrifugal wind wheel 200 and the wind outlet 120, and all the guide plates 140 are inclined towards the same circumferential direction relative to a radial direction of the centrifugal wind wheel 200. The wind guide structure can enable the centrifugal wind wheel 200 to supply wind for a longer distance and to supply wind more uniformly; meanwhile, due to the existence of the guide plate 140, the hands of the user are not easy to touch the centrifugal wind wheel 200 by mistake, and the safety is improved. Specifically, 20 guide plates 140 are provided. It is envisioned that the number of guide plates 140 may be other numbers, such as three or more.

In the embodiment, an air outlet channel is defined between two adjacent guide plates 140, and the width of the air outlet channel from the end close to the centrifugal wind wheel 200 to the end far away from the centrifugal wind wheel 200 tends to increase. The guide plates 140 enable the air flow to be more stable in the process of gradually blowing out the air flow through the two guide plates 140, and the continuity and stability of the blown air flow are relatively good.

In an embodiment, the housing 100 includes a main body 150 and an upper cover 160, the upper cover 160 and the main body 150 are spaced apart from each other, the guide plate 140 is positioned between the upper cover 160 and the main body 150, an upper end of the guide plate 140 is connected to the upper cover 160, and a lower end of the guide plate 140 is connected to the main body 150. In the case 100 and the guide plate 140 having the above-described structure, the upper cover 160 is connected to the main body 150 by using the guide plate 140 as a connecting member, so that the structure is simple and the installation effect of the guide plate 140 is good.

In an embodiment, the guide plate 140 is integrally formed on the upper cover 160, the main body 150 is provided with positioning grooves 151 corresponding to the guide plate 140 one by one, and the lower end of the guide plate 140 is inserted into the corresponding positioning grooves 151. Specifically, the guide plate 140 and one of the members of the upper cover 160 are integrally formed. The guide plate 140 is integrally formed on the upper cover 160, so that the installation structure of the guide plate 140 and the upper cover 160 is simplified, and the housing 100 of the electric radiator fan is conveniently assembled by matching with the positioning groove 151. Specifically, the upper cover 160 is provided with a through hole, the through hole penetrates through the guide plate 140, the main body 150 is correspondingly provided with a threaded hole, a screw penetrates through the through hole to lock the upper cover 160 and the guide plate 140 to the main body 150, so that the assembly of the housing 100 is realized, and the screw has a certain limiting effect on the guide plate 140.

In an embodiment, the housing 100 is provided with a centrifugal wheel air inlet 130 and a heating chamber 170, the heating chamber 170 accommodates a heater 300 therein, the heating chamber 170 is communicated with the air outlet chamber 110 through the centrifugal wheel air inlet 130, and a heating chamber air inlet 180 communicated to the outside of the housing 100 is opened on a chamber wall of the heating chamber 170. The heating chamber 170 and the heater 300 are arranged, and the gas entering the housing 100 from the heating chamber air inlet 180 can be heated by the heater 300 in the heating chamber 170, then enters the air outlet chamber 110 through the centrifugal wheel air inlet 130, and is accelerated by the centrifugal wind wheel 200 to be sent out from the air outlet 120, so that hot air flow can be discharged; when the heater 300 is not activated, a normal temperature air flow may be sent.

In an embodiment, the centrifugal wheel intake vent 130 is located at an upper portion of the heating chamber 170, the heating chamber intake vent 180 is located at a lower portion of the heating chamber 170, and the heater 300 is located between the heating chamber intake vent 180 and the centrifugal wheel intake vent 130. When the heater 300 is started, the air near the heater 300 is heated, and the heated air has a tendency of rising, so that the hot air flow is more easily sucked into the air outlet chamber 110 by the centrifugal wind wheel 200 through the centrifugal wheel air inlet 130, and at this time, the air pressure near the heater 300 is relatively low, and the air below is guided to rise to the vicinity of the heater 300 to heat the air. The heating chamber 170 and the heater 300 having the above structure are positioned, so that the air heating and wind flow effects are better.

In an embodiment, the centrifugal wheel air inlet 130 is vertically disposed on an upper cavity wall of the heating chamber 170, the heating chamber air inlet 180 is vertically disposed on a lower cavity wall of the heating chamber 170, and the centrifugal wheel air inlet 130 and the heating chamber air inlet 180 are vertically opposite to each other. According to the heating chamber 170 with the above structure, after the air flow can enter the heating chamber 170 from the heating chamber air inlet 180, the air flow vertically enters the air outlet chamber 110 from the centrifugal wheel air inlet 130, and the air duct structure is relatively simple, so that the air flow flowing speed can be relatively high.

In an embodiment, the heater 300 includes a plurality of heating pipes disposed in the housing 100 and located in the heating chamber 170, and the plurality of heating pipes are spaced apart from each other. According to the heater 300 with the structure, air flows pass through the gaps between the heating pipes, the heat exchange area is large, and the heat exchange effect is relatively good. Specifically, the number of the heating pipes is three or more. It is envisioned that the heater 300 may also be a heat generating plate or a heat generating wire disposed within the heating chamber 170.

In the embodiment, the air inlet side of the centrifugal wind wheel 200 is opposite to the centrifugal wheel air inlet 130, and the air inlet side of the centrifugal wind wheel 200 is located at the lower side of the centrifugal wind wheel 200. Because the centrifugal wheel air inlet 130 is opposite to the air inlet side of the centrifugal wind wheel 200, the air inlet side of the centrifugal wind wheel 200 in the embodiment is located at the lower side of the centrifugal wind wheel 200, that is, the centrifugal wind wheel 200 is located above the centrifugal wheel air inlet 130, and the air inlet side of the centrifugal wind wheel 200 is also located above the centrifugal wheel air inlet 130, so that the hot air from the centrifugal wheel air inlet 130 can be sucked by the centrifugal wind wheel 200 more easily, and the hot air outlet efficiency of the electric warm-air blower is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An electric warm-air drier is characterized by comprising:

a housing (100) provided with an air outlet chamber (110);

the centrifugal wind wheel (200) is arranged on the shell (100), and the rotating axis of the centrifugal wind wheel (200) is vertically arranged;

the rotating driver is arranged on the shell (100), is connected with the centrifugal wind wheel (200) and is used for driving the centrifugal wind wheel (200) to rotate;

the air outlet cavity (110) is arranged around the periphery of the centrifugal wind wheel (200), an air outlet (120) facing to the horizontal direction is formed in the outer peripheral side of the air outlet cavity (110), the air outlet (120) is arranged around the axis of the centrifugal wind wheel (200), and the air outlet (120) is opposite to the periphery of the centrifugal wind wheel (200) in the horizontal direction.

2. The electric warm-air drier as claimed in claim 1, wherein: casing (100) are provided with wind-guiding structure, wind-guiding structure includes a plurality of deflector (140), deflector (140) vertical set up in casing (100) are located air-out cavity (110), it is a plurality of deflector (140) encircle the axis of rotation range setting of centrifugal wind wheel (200), deflector (140) are located centrifugal wind wheel (200) with between air outlet (120), all deflector (140) towards same circumferential direction for the radial direction slope setting of centrifugal wind wheel (200).

3. The electric warm-air drier as claimed in claim 2, wherein: an air outlet channel is defined between every two adjacent guide plates (140), and the width from one end of the air outlet channel close to the centrifugal wind wheel (200) to one end of the air outlet channel far away from the centrifugal wind wheel (200) tends to increase.

4. The electric warm-air drier as claimed in claim 2, wherein: the shell (100) comprises a main body (150) and an upper cover (160), the upper cover (160) and the main body (150) are arranged at intervals, the guide plate (140) is located between the upper cover (160) and the main body (150), the upper end of the guide plate (140) is connected with the upper cover (160), and the lower end of the guide plate (140) is connected with the main body (150).

5. The electric warm-air drier as claimed in claim 4, wherein: the guide plate (140) is integrally arranged on the upper cover (160), the main body (150) is provided with positioning grooves (151) corresponding to the guide plate (140) one by one, and the lower end of the guide plate (140) is inserted into the corresponding positioning grooves (151).

6. The electric warm-air drier as claimed in claim 1, wherein: the shell (100) is provided with a centrifugal wheel air inlet (130) and a heating chamber (170), a heater (300) is accommodated in the heating chamber (170), the heating chamber (170) is communicated with the air outlet chamber (110) through the centrifugal wheel air inlet (130), and a heating chamber air inlet (180) communicated to the outside of the shell (100) is formed in the wall of the heating chamber (170).

7. The electric warm-air drier as claimed in claim 6, wherein: the centrifugal wheel air inlet (130) is positioned at the upper part of the heating chamber (170), the heating chamber air inlet (180) is positioned at the lower part of the heating chamber (170), and the heater (300) is positioned between the heating chamber air inlet (180) and the centrifugal wheel air inlet (130).

8. The electric warm-air drier as claimed in claim 7, wherein: centrifugal wheel air intake (130) are seted up along vertical in the upper side chamber wall of heating chamber (170), heating chamber air intake (180) are seted up along vertical in the lower side chamber wall of heating chamber (170), centrifugal wheel air intake (130) with heating chamber air intake (180) are along vertical relative.

9. The electric warm-air drier as claimed in claim 6, wherein: the heater (300) comprises a plurality of heating pipes, the heating pipes are arranged on the shell (100) and are positioned in the heating chamber (170), and the heating pipes are arranged at intervals.

10. The electric warm-air drier as claimed in claim 1, wherein: the shell (100) is provided with a centrifugal wheel air inlet (130), the air inlet side of the centrifugal wind wheel (200) is opposite to the centrifugal wheel air inlet (130), and the air inlet side of the centrifugal wind wheel (200) is located on the lower side of the centrifugal wind wheel (200).