CN210320630U

CN210320630U - Warm air blower capable of fully purifying air

Info

Publication number: CN210320630U
Application number: CN201920879106.1U
Authority: CN
Inventors: 倪祖根
Original assignee: Lexy Electric Green Energy Technology Suzhou Co Ltd
Current assignee: Lexy Electric Green Energy Technology Suzhou Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-14
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a can abundant air-purifying's electric fan heater belongs to household electrical appliances technical field, for solving the inconvenient scheduling problem design of current electric fan heater filter dismouting. The utility model discloses electric fan heater includes casing, head assembly, wind wheel subassembly and high efficiency particle air cleaner, and head assembly installs on the casing and is provided with the air outlet on the head assembly, and wind wheel subassembly and high efficiency particle air cleaner set up in the casing, and the wind wheel subassembly sets up between high efficiency particle air cleaner and head assembly, and wholly is located high efficiency particle air cleaner's top. The utility model discloses the fan heater has realized wind wheel subassembly and high efficiency particle air cleaner's separation, changes high efficiency particle air cleaner and need not to dismantle the wind wheel subassembly, opens a sufficient hole in the casing side and can dismouting high efficiency particle air cleaner, easy dismounting, labour saving and time saving.

Description

Warm air blower capable of fully purifying air

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a fan heater of ability abundant air-purifying.

Background

The warm air blower is a household appliance which heats air to form air outlet and can supply heat to the indoor. In order to make the air outlet cleaner, an air purification structure can be arranged in the fan heater.

The existing fan heater with air purification capability includes a tubular filter including a pleated HEPA (HEPA) filter, and an impeller for generating an air flow is provided in the tubular filter. When the impeller rotates, the airflow passes through the filter to realize the function of purifying air. The drawbacks of this structure are: 1. because the impeller is arranged in the tubular filter, if the filter is integral, the whole filter needs to be disassembled when being replaced, and the filter can be replaced after the impeller or other accessories are removed; if the filter is required to be opened from the side surface of the shell and disassembled from the opening, the filter can only be made into a split structure consisting of at least two-flap structures, and correspondingly, the side surface of the shell needs to be provided with a plurality of openings, so that the disassembly and the assembly are inconvenient. 2. Due to the restriction of the impeller, it is difficult to increase the area and volume of the hepa filter, resulting in a low clean air output ratio (CADR).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter easy dismounting's electric fan heater of ability abundant air-purifying.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a can abundant air-purifying's electric fan heater, includes casing, head module, wind wheel subassembly and high efficiency particle air cleaner, head module installs on the casing just be provided with the air outlet on the head module, the wind wheel subassembly with high efficiency particle air cleaner sets up in the casing, the wind wheel subassembly sets up high efficiency particle air cleaner with between the head module, and whole the position in high efficiency particle air cleaner's top.

In particular, the housing includes an upper section in which the wind wheel assembly is located and a lower section in which the HEPA filter is located.

In particular, a side cover is arranged on the lower section part, and a through hole for assembling and disassembling the high-efficiency particle air filter is formed after the side cover is disassembled.

In particular, a positive temperature coefficient thermistor is arranged in the handpiece assembly and is positioned in the airflow channel.

Particularly, the handpiece assembly comprises an airflow steering part and a mounting seat for mounting the positive temperature coefficient thermistor, the airflow steering part is mounted on the wind wheel assembly, and the mounting seat is arranged between the airflow steering part and the air outlet.

Particularly, the fan heater also comprises a base assembly arranged at the bottom of the shell, the base assembly comprises a bottom part and a supporting part which are connected, and the supporting part can drive the machine head assembly to rotate around the axis of the supporting part under the driving of the driving device.

In particular, an air flow distribution device is arranged between the wind wheel assembly and the high-efficiency particle air filter, and the air flow distribution device comprises an annular wind shielding part and a plurality of wind passing holes in the surrounding middle of the wind shielding part.

In particular, the HEPA filter is a monolithic cylindrical structure.

Particularly, the air wheel component comprises an air inlet cylinder and an axial flow fan arranged in the air inlet cylinder.

Particularly, a plurality of air inlet holes are formed on the back surface of the shell, and an annular air passing channel is formed between the shell and the efficient particle air filter in a surrounding mode.

The air wheel component of the fan heater is arranged between the efficient particle air filter and the machine head component, so that the separation of the air wheel component and the efficient particle air filter is realized, the air wheel component is not required to be dismounted when the efficient particle air filter is replaced, the efficient particle air filter can be dismounted by opening an enough hole on the side surface of the shell, the dismounting is convenient, and the time and the labor are saved; in addition, the air inlet in the structure can reach the air wheel assembly only by completely penetrating through the high-efficiency particle air filter, so that the air purification effect is improved, and the problem of incomplete purification caused by the fact that the existing air wheel assembly is positioned in the high-efficiency particle air filter is solved; because the air purifier is not limited by a wind wheel component, the length, the width and the thickness of the filter sheet of the high-efficiency particle air filter can be increased according to the requirement, and the air purifying effect is further improved; the wind wheel component is separated from the efficient particle air filter, the structure is simpler, the used parts are fewer, the assembly and disassembly are more convenient, the assembly is strong, the noise is low, and the cost is low.

Drawings

Fig. 1 is a schematic structural diagram of a fan heater provided in an embodiment of the present invention;

fig. 2 is a sectional view of a fan heater according to an embodiment of the present invention;

fig. 3 is a schematic view of a combined structure of a distribution device and an air inlet drum according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a dispensing device according to an embodiment of the present invention;

fig. 5 is a schematic view of a combined structure of an air inlet barrel and an axial flow fan according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a base assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an airflow diverter according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a head assembly; 3. a high efficiency particulate air filter; 5. an airflow distribution device; 11. an air inlet hole; 12. an air passage; 21. an air outlet; 22. a positive temperature coefficient thermistor; 23. an airflow diverter; 24. a mounting seat; 31. an air inlet channel; 41. a bottom; 42. a support portion; 51. a wind shield portion; 52. air passing holes; 61. an air inlet cylinder; 62. an axial flow fan.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment discloses a fan heater capable of fully purifying air. As shown in fig. 1 to 8, the air heater includes a housing 1, a head assembly 2, a wind wheel assembly, a hepa filter 3 and a base assembly, wherein the housing 1 is mounted on the base assembly, the head assembly 2 is mounted on the housing 1, and an air outlet 21 is formed in the head assembly 2, the wind wheel assembly and the hepa filter 3 are disposed in the housing 1, the wind wheel assembly is disposed between the hepa filter 3 and the head assembly 2, and the air wheel assembly is integrally located above the hepa filter 3. Preferably, the casing 1 comprises an upper section and a lower section, the wind wheel assembly is located in the upper section, and only the high efficiency particle air filter 3 is arranged in the lower section, so that the high efficiency particle air filter 3 can be conveniently dismounted from the side. A side cover is arranged on the lower section part, and a through hole for assembling and disassembling the efficient particle air filter 3 is formed after the side cover is disassembled; the high-efficiency particle air filter 3 is of an integral cylindrical structure, so that the high-efficiency particle air filter 3 can be integrally taken out or put in at one time without being taken and put for multiple times; a plurality of air inlet holes 11 are formed on the side cover; an annular air passing channel 12 is formed between the shell 1 and the high-efficiency particle air filter 3. The arrowed curve in fig. 2 is the air flow path, with one segment of the curve being a dashed line, indicating that the air flow is in the air passage 12 at the back of the hepa filter 3. Of course, it is also possible to provide the air inlet holes 11 on both the front side and the left and right sides of the housing 1, which is only slightly less attractive, but has a large air inlet amount and a better use effect.

Set up the wind wheel subassembly between high efficiency particle air cleaner 3 and aircraft nose subassembly 2, wholly be located high efficiency particle air cleaner 3 tops to realized wind wheel subassembly and high efficiency particle air cleaner 3's separation, need not to dismantle the wind wheel subassembly when changing high efficiency particle air cleaner, open a big enough hole in casing side and can dismouting high efficiency particle air cleaner, easy dismounting, labour saving and time saving. The efficient particle air filter 3 does not need to be designed into a split type, and the cylindrical efficient particle air filter 3 can be easily taken out from the dismounting through hole, so that the processing cost is reduced, and the dismounting time is saved.

In addition, the air inlet in the structure can reach the wind wheel assembly only by completely penetrating through the high-efficiency particle air filter 3, so that the air purification effect is improved; because the air purifier is not limited by a wind wheel component, the thickness of the filter sheet of the high-efficiency particle air filter 3 can be increased according to the requirement, and the air purification effect is further improved; the wind wheel component is separated from the high-efficiency particle air filter 3, so that the structure is simpler, the assembly and disassembly are more convenient, the noise is low, and the cost is low.

As shown in fig. 2 to 5, an air flow distribution device 5 is provided between the wind wheel assembly and the hepa filter 3, and the air flow distribution device 5 includes an annular wind shielding portion 51 and a plurality of wind passing holes 52 in the surrounding middle of the wind shielding portion 51, and all the wind passing holes 52 are symmetrically distributed with respect to the axis of the wind wheel assembly. The air wheel assembly comprises an air inlet drum 61, an axial flow fan 62 arranged in the air inlet drum 61 and a motor for driving the axial flow fan 62 to rotate.

The airflow reaching the airflow distribution device 5 is scattered and distributed through the air passing holes 52, so that the airflow can uniformly reach the axial flow fan 62, and the phenomenon that the axial flow fan 62 rotates unevenly due to uneven airflow is avoided, so that the noise generated when the axial flow fan 62 rotates is reduced. In addition, the axial flow fan 62 is provided with a flow guiding and pressurizing device, so that the air volume is increased, the noise is further reduced, the integral CADR numerical value of the fan heater is improved, and the purification efficiency is high.

As shown in fig. 6, the base assembly includes a base 41, a support 42, a stepping motor and a bearing connected to each other, the bearing is installed on the base 41, and the support 42 is installed on the bearing and can rotate around the bearing; a stepping motor is mounted on the bottom portion 41, and an output shaft of the stepping motor is directly or indirectly connected to the support portion 42 and can drive the support portion 42 to rotate. The shell 1 is arranged on the supporting part 42, when the supporting part 42 is driven by the stepping motor to rotate, the shell 1 and the handpiece assembly 2 arranged on the shell 1 can rotate around the axis of the supporting part 42 by plus or minus 180 degrees along with the supporting part 42, and hot air is uniformly supplied to a room.

As shown in fig. 2, 7 and 8, a positive temperature Coefficient thermistor 22 (PTC), an airflow turning part 23 and a mounting seat 24 for mounting the positive temperature Coefficient thermistor 22 are arranged in the handpiece assembly 2, the airflow turning part 23 is mounted on the wind wheel assembly, and the mounting seat 24 is arranged between the airflow turning part 23 and the air outlet 21. The positive temperature coefficient thermistor 22 is positioned in the airflow channel, plays a role in heating the outlet air, and is high in heating speed and safe to use.

The air flow turning part 23 has a through hole for allowing air flow to enter below, a through hole for allowing air flow to blow out on the side, and the rest positions are closed. The side surface and the top surface opposite to the air flow blowing through hole are a continuous arc surface, so that the air flow can smoothly change from upward flow to lateral flow, and the function of horizontally feeding hot air is realized. The arc-shaped surface reduces the noise generated when the airflow changes direction, and the use is more comfortable.

The HEPA filter 3 includes a support frame and a HEPA (HEPA: HEPA, which is a kind of high efficiency filter paper) installed on the support frame. Preferably, the high-efficiency particle air filter is of a cylindrical structure, and an air inlet channel 31 is formed in a space enclosed by the cylindrical structure. The wind shield 51 of the air distribution unit 5 makes the air entering from the air inlet hole 11 to enter the inside of the fan heater by passing through the hepa filter 3, not directly to the axial fan 62.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a can abundant air-purifying's electric fan heater, includes casing (1), head module (2), wind wheel subassembly and high efficiency particle air cleaner (3), head module (2) are installed just be provided with air outlet (21) on head module (2) casing (1), the wind wheel subassembly with high efficiency particle air cleaner (3) set up in casing (1), its characterized in that, the wind wheel subassembly sets up high efficiency particle air cleaner (3) with between head module (2), and wholly be located the top of high efficiency particle air cleaner (3).

2. Fan heater with adequate air purification according to claim 1, characterized by the fact that the housing (1) comprises an upper section in which the wind wheel assembly is located and a lower section in which the hepa filter (3) is located.

3. The fan heater capable of sufficiently purifying air according to claim 2, wherein the lower section is provided with a side cover, and a through hole for mounting and dismounting the HEPA filter (3) is formed after the side cover is removed.

4. Warm-air drier capable of purifying air sufficiently according to claim 1, characterized in that a positive temperature coefficient thermistor (22) is arranged in the head assembly (2), and the positive temperature coefficient thermistor (22) is located in the air flow channel.

5. The fan heater capable of sufficiently purifying air according to claim 4, wherein the head assembly (2) comprises an air flow turning portion (23) and a mounting seat (24) for mounting the positive temperature coefficient thermistor (22), the air flow turning portion (23) is mounted on the air flow wheel assembly, and the mounting seat (24) is arranged between the air flow turning portion (23) and the air outlet (21).

6. The fan heater capable of sufficiently purifying air according to claim 1, further comprising a base assembly mounted at the bottom of the housing (1), wherein the base assembly comprises a bottom portion (41) and a supporting portion (42) which are connected, and the supporting portion (42) can drive the head assembly (2) to rotate around the axis of the supporting portion (42) under the driving of the driving device.

7. The fan heater capable of sufficiently purifying air according to any one of claims 1 to 6, wherein an air flow distribution device (5) is provided between the wind wheel assembly and the HEPA filter (3), and the air flow distribution device (5) comprises an annular wind shielding part (51) and a plurality of wind passing holes (52) in the surrounding middle of the wind shielding part (51).

8. Warm-air drier according to any of the claims 1 to 6, characterized in that the HEPA filter (3) is a monolithic cylindrical structure.

9. The fan heater capable of sufficiently purifying air according to any one of claims 1 to 6, wherein the air wheel assembly comprises an air inlet drum (61) and an axial flow fan (62) disposed inside the air inlet drum (61).

10. The fan heater capable of sufficiently purifying air according to any one of claims 1 to 6, wherein a plurality of air inlet holes (11) are formed on the back surface of the housing (1), and an annular air passing channel (12) is formed between the housing (1) and the HEPA filter (3).