CN220103242U

CN220103242U - Annular air-out warmer with layered air duct

Info

Publication number: CN220103242U
Application number: CN202321449174.7U
Authority: CN
Inventors: 张时勇; 孙德富
Original assignee: Qipin Home Furnishing Zhejiang Co ltd
Current assignee: Qipin Home Furnishing Zhejiang Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-28
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to an annular air-out warmer with a layered air duct, which comprises: the box body is internally provided with an air supply fan, and an air supply duct is further defined in the box body; the panel assembly is arranged on the box body and provided with an annular air outlet which is correspondingly communicated with the air outlet port of the air supply duct; at least two guide plates are arranged in the air supply duct at intervals, each guide plate is arranged along the extending direction of the air supply duct, and the guide plates are gradually bent towards the position where the annular air outlet is located along the flowing direction of air flow in the air supply duct. The advantages are that: the air flow discharged from the air supply fan can be guided to the annular air outlet, so that the air flow is guided to turn, and turning energy loss and pneumatic noise are reduced; the air guide plates which are arranged at intervals divide the air supply into two or more sub-channels, namely, a layered channel structure is formed, so that the air flow flowing out of the annular air outlet is more uniform, and the stable temperature rise of each region in the surrounding environment is ensured.

Description

Annular air-out warmer with layered air duct

Technical Field

The utility model relates to the technical field of heaters, in particular to an annular air-out heater with a layered air duct.

Background

With the improvement of living standard of people, the demand of people for adjusting indoor air temperature is higher and higher, and especially in a bathroom, a warmer is usually required to be installed to meet the use demand. The bathroom heater with the publication number CN108151118A comprises a mounting shell, wherein a warm air channel is arranged in the mounting shell, the inner end of the warm air channel is closed, the air outlet end of the warm air channel is connected to the lower surface of the mounting shell and is communicated with the outside, an electric heating aluminum honeycomb is arranged in the warm air channel, a blowing device positioned behind the electric heating aluminum honeycomb is arranged at the inner end of the warm air channel, and heat generated by the electric heating aluminum honeycomb is blown out from the air outlet end of the warm air channel by the blowing device. The air outlet end of the warm air channel is provided with a net-shaped protective cover covered on the outer side of the even-heat aluminum honeycomb. The net-shaped protective cover is provided with a rectangular groove, the heat-uniform aluminum honeycomb is matched with the rectangular groove, and the heat-uniform aluminum honeycomb is positioned in the rectangular groove. In the bathroom heater in this patent application in the use, through the setting of even hot aluminium honeycomb, can realize the even divergence of amount of wind, but lack the water conservancy diversion to the warm braw and spread, like other traditional technique's square air outlet, the air-out area can not reach required air-out scope, lacks simultaneously to indoor ventilation.

For this reason, chinese patent application publication No. CN219036779U discloses a warmer with ring-type air-out structure, which comprises a housing, a panel is fixed on the top of the housing by screws, a heating mechanism is assembled between the housing and the panel, the heating mechanism is used for heating the room, a ventilation mechanism is also assembled between the housing and the panel, the ventilation mechanism is used for ventilating the room, and the heating mechanism comprises a bearing plate, a first through groove, a first fan, a heating piece, a first air duct, a bearing seat and a ring-shaped air outlet. When needs are to get warm indoor, start first fan and heating piece, the wind that first fan produced, under the direction in first wind channel, blow off the heat that heating piece produced through annular air outlet, under the direction of annular air outlet annular structure for the warm braw can disperse indoor, makes the air-out scope, and the warm braw of being convenient for fills fast in the bathroom, and then promotes the temperature in bathroom fast. This patent application makes this device be convenient for keep warm indoor through heating mechanism's structural design, and annular air outlet can provide the effect that the water conservancy diversion was dispersed for the warm braw simultaneously for the air-out scope is big, and the air-out is effectual, has promoted this device's high efficiency, and through ventilation mechanism's structural design, makes this device be convenient for take a breath indoor, is favorable to adjusting indoor air quality.

However, the warmer in the above patent application has a certain disadvantage, because the annular air outlet is adopted, the air outlet direction is downward, and the air flow in the corresponding air duct structure directly flows out through the annular air outlet after downward reversing, and because the air flow after reversing is not guided by the flow guiding structure, the air flow flowing out from the annular air outlet is uneven, and the stable temperature rise of each area in the surrounding environment cannot be ensured.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an annular air-out heater with a layered air duct, which is more uniform in air-out, aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: an annular air-out warmer with layered air duct, comprising:

the box body is internally provided with an air supply fan, and an air supply air channel correspondingly communicated with an air outlet of the air supply fan is also defined in the box body;

the panel assembly is arranged on the box body and provided with an annular air outlet which is correspondingly communicated with the air outlet port of the air supply duct;

the air supply duct is also provided with at least two guide plates which are arranged at intervals, each guide plate is arranged along the extending direction of the air supply duct, and the guide plates are gradually bent towards the position where the annular air outlet is located along the flowing direction of air flow in the air supply duct.

In general, the number of the guide plates is two or more, but due to the limitation of the installation space of the heater box body, in order to ensure the air quantity and reduce the installation difficulty, the number of the guide plates is two, the two guide plates comprise a first guide plate adjacent to the annular air outlet and a second guide plate far away from the annular air outlet, and the first guide plate, the second guide plate and the corresponding part of the air supply air duct define a first flow channel and a second flow channel which are independent.

The air supply fan can be of a centrifugal fan structure in the prior art, and specifically comprises an air supply shell, an air supply wind wheel arranged in the air supply shell and a first motor used for driving the air supply wind wheel to rotate, wherein the air supply shell is provided with an air inlet and an air outlet, and an air inlet port of the air supply air channel is opposite to the air outlet of the air supply shell.

Because centrifugal fan has axial air inlet, circumference air-out's characteristics, in order to be suitable for with this air-out mode of air-supply fan, first guide plate and second guide plate are in the axial of air-supply wind wheel is spacing setting.

In order to guide the air flow to the annular air outlet, the box body is further provided with an air outlet cavity assembly at a position corresponding to the air outlet port of the air supply air duct, the air outlet cavity assembly is provided with an annular flow passage which gradually extends outwards from top to bottom, the width of the annular flow passage gradually decreases along the flowing direction of the air flow, and the panel assembly is provided with the annular air outlet at a position corresponding to the air outlet port of the annular flow passage.

In order to further ensure the uniformity of air-out, still include the air-out grid of locating panel assembly's annular air outlet department, the middle part of air-out grid is equipped with the display screen that is used for showing operating condition information.

In order to realize the ventilation function of the warmer, the warmer further comprises a ventilation fan arranged in the box body, and a ventilation outlet opposite to an air outlet of the ventilation fan is arranged on the side part of the box body.

The centrifugal fan structure in the prior art can be adopted to the ventilation fan, specifically, the ventilation fan comprises a ventilation shell, a ventilation wind wheel arranged in the ventilation shell and a second motor used for driving the ventilation wind wheel to rotate, the ventilation shell is provided with an air inlet and an air outlet, and the air outlet of the ventilation shell is correspondingly communicated with the ventilation outlet of the box.

In order to simplify the structure of the warmer, the air inlet of the ventilation fan and the air inlet of the air supply fan can be on the same plane, and specifically, a through port for external air flow to enter is arranged between the peripheral edge of the panel assembly and the box body.

In order to fully heat the air flow sent by the air supply fan, a heating piece for heating the air flow is arranged at the air outlet of the air supply duct.

Compared with the prior art, the utility model has the advantages that: after the plurality of guide plates arranged at intervals are arranged in the air supply duct, on one hand, air flow discharged from the air supply fan can be guided to the annular air outlet to guide the air flow to turn, so that turning energy loss and pneumatic noise are reduced, and on the other hand, the air supply is divided into two or more sub-flow passages by the guide plates arranged at intervals, namely, a layered flow passage structure is formed, so that the air flow flowing out from the annular air outlet is more uniform, and stable temperature rise of each region in the surrounding environment is ensured.

Drawings

Fig. 1 is a schematic perspective view of a warmer according to an embodiment of the present utility model;

FIG. 2 is a front view of a warmer according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of the warmer taken along line A-A of FIG. 2;

FIG. 4 is a schematic perspective view of a warmer with a panel assembly omitted in an embodiment of the present utility model;

FIG. 5 is a schematic perspective view of FIG. 4 with the air outlet assembly omitted;

FIG. 6 is a schematic perspective view of the lower cover plate of the case of FIG. 5;

fig. 7 is a schematic perspective view of fig. 6, in which components such as the corresponding wind wheel, motor and corresponding heating element are omitted.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Referring to fig. 1-7, there is shown a preferred annular air outlet warmer with layered air ducts of the present utility model, comprising a housing 1, an air supply fan 4, a ventilation fan 5, a panel assembly, an air outlet chamber assembly 3, and a heating element.

The box body 1 is of a flat square body structure as a whole, and the air supply fan 4 and the ventilation fan 5 are arranged in the box body 1. Wherein the ventilation fan 5 and the air supply fan 4 are sequentially arranged in the left-right direction of the case 1. The air supply fan 4 and the ventilation fan 5 are centrifugal fans, the wind wheel axes of the air supply fan 4 and the ventilation fan 5 extend vertically, and in order to enable the whole volume of the warmer to be smaller and more compact, the size of the box body 1 in the up-down direction is slightly larger than the axial size of the air supply fan 4 and the ventilation fan 5.

The air blower 4 comprises an air blower housing 41, an air blower wheel 42 arranged in the air blower housing 41 and a first motor 43 for driving the air blower wheel 42 to rotate, wherein a port of the air blower wheel 42 facing downwards is an air inlet port, and the first motor 43 is arranged at a port of the upper part of the air blower wheel 42. Similarly, the ventilation fan 5 includes a ventilation housing 51, a ventilation wind wheel 52 disposed in the ventilation housing 51, and a second motor 53 for driving the ventilation wind wheel 52 to rotate, wherein a port of the ventilation wind wheel 52 facing downward is an air inlet port, and the second motor 53 is mounted at a port of an upper portion of the ventilation wind wheel 52.

The lower side of the air supply housing 41 of the air supply fan 4 and the lower side of the air exchange housing 51 of the air exchange fan 5 are both open, specifically, the same cover plate covered on the box 1 is covered, the first air inlet 40 is formed in the area corresponding to the air inlet port of the air supply wind wheel 42, and the second air inlet 50 is formed in the area corresponding to the air inlet port of the air exchange wind wheel 52. The blower housing 41 and the ventilation housing 51 each have a volute shape and each have an exhaust port. The case 1 has an air duct 10 therein, and an air inlet port of the air duct 10 is opposed to an air outlet of the air casing 41, and an air outlet port of the air duct 10 is opposed to the annular air outlet 20 of the panel assembly. The side part of the box body 1 adjacent to the ventilation fan 5 is provided with a ventilation outlet 12, and the air outlet of the ventilation shell 51 of the ventilation fan 5 is correspondingly connected with the ventilation outlet 12 of the box body 1.

The panel assembly is disposed on the bottom surface of the case 1, wherein the length and width dimensions of the panel assembly are slightly larger than those of the case 1. Specifically, the panel assembly includes a bottom frame 201 and a panel 202 connected to the bottom frame 201, and when the box 1 is installed, it is connected with a clip spring clamped on the triangular keel, and the bottom edge of the bottom frame 201 is clamped in the triangular keel groove. The central portion of the panel 202 is provided with the annular air outlet 20. An air outlet grille 21 is also arranged at the annular air outlet 20 of the panel 202. The middle part of the air outlet grille 21 is also provided with a display screen for displaying working state information (such as temperature information or other functional information).

An annular flow passage for external air flow is arranged between the peripheral edge of the panel assembly and the box body. The external air flows inwards through the flow port 6 and enters the first air inlet 40 of the air blower 4 and the second air inlet 50 of the air exchange blower 5.

Referring to fig. 3 and 4, an air outlet chamber assembly 3 is further disposed on the bottom cover plate of the case 1, and the air outlet chamber assembly 3 has an annular flow passage 30 extending gradually and obliquely outwards from top to bottom (in a mounted and used state), and the width of the annular flow passage 30 gradually decreases along the flow direction of the air flow. The air inlet port of the annular flow passage 30 is circular and is correspondingly connected with the air outlet port of the air supply duct 10, and the air outlet port of the annular flow passage 30 is opposite to the mesh of the grid on the panel 202.

The air outlet port of the air supply duct 10 (i.e. the air inlet port of the air outlet cavity assembly 3) is further provided with a heating element 61 for heating the air flow, specifically, the heating element 61 may be a PTC electric heating element, so as to achieve the purpose of heating the air flow sent by the air supply fan 4.

The air supply duct 10 in the box 1 can be designed integrally with the housing of the air supply fan 4. At least two guide plates are arranged in the air supply duct 10 of the warmer at intervals, each guide plate is arranged along the extending direction of the air supply duct 10, and gradually bends towards the position of the annular air outlet 20 along the flowing direction of the air flow in the air supply duct 10, so that an arc plate structure with a certain radian is formed. As shown in fig. 3, the baffle plates have two baffle plates arranged at intervals in the up-down direction, wherein the baffle plate adjacent to the annular air outlet 20 is denoted as a first baffle plate 111, and the baffle plate distant from the annular air outlet 20 is denoted as a second baffle plate 112. The first and second guide plates 111 and 112 define first and second independent flow passages with respect to the corresponding portions of the air supply duct 10, and the air inlet port of the first flow passage is opposite to the air inlet port of the second flow passage in different areas in the circumferential direction of the air supply wind wheel 42.

After the plurality of guide plates arranged at intervals are arranged in the air supply duct 10, the warmer can guide the air flow discharged from the air supply fan 4 to the annular air outlet 20 on one hand, guide the air flow to turn, reduce turning energy loss and aerodynamic noise, and on the other hand, the guide plates arranged at intervals divide the air supply into two or more sub-flow passages, namely form a layered flow passage structure, so that the air flow flowing out from the annular air outlet 20 is more uniform, and stable temperature rise of each region in the surrounding environment is ensured. After PTC heating is arranged in front of the air inlet of the air outlet cavity assembly 3, air flowing through the air outlet cavity assembly 3 is heated, hot air flows to the indoor diffusion by utilizing the annular flow channel 30 of the air outlet cavity assembly 3, the diffusion efficiency and the heating range of hot air are effectively improved, the temperature balance of each area of the indoor space is ensured, and the use experience is improved.

Claims

1. An annular air-out warmer with layered air duct, comprising:

the box body (1) is internally provided with an air supply fan (4), and an air supply air duct (10) correspondingly communicated with an air outlet of the air supply fan (4) is also defined in the box body (1);

the panel assembly is arranged on the box body (1), and an annular air outlet (20) which is correspondingly communicated with the air outlet port of the air supply duct (10) is formed in the panel assembly;

the method is characterized in that: at least two guide plates (111; 112) which are arranged at intervals are also arranged in the air supply air duct (10), and each guide plate (111; 112) is arranged along the extending direction of the air supply air duct (10) and gradually bends towards the position where the annular air outlet (20) is located along the flowing direction of air flow in the air supply air duct (10).

2. The annular air-out warmer with layered air duct according to claim 1, wherein: the number of the guide plates (111; 112) is two, the two guide plates (111; 112) comprise a first guide plate (111) adjacent to the annular air outlet (20) and a second guide plate (112) far away from the annular air outlet (20), and the first guide plate (111), the second guide plate (112) and the corresponding part of the air supply air channel (10) define a first flow channel and a second flow channel which are independent.

3. The annular air-out warmer with layered air duct according to claim 2, wherein: the air supply fan (4) comprises an air supply shell (41), an air supply wind wheel (42) arranged in the air supply shell (41) and a first motor (43) used for driving the air supply wind wheel (42) to rotate, the air supply shell (41) is provided with an air inlet and an air outlet, and an air inlet port of the air supply air duct (10) is opposite to the air outlet of the air supply shell (41).

4. The annular air-out warmer with layered air duct according to claim 3, wherein: the first guide plate (111) and the second guide plate (112) are arranged at intervals in the axial direction of the air supply wind wheel (42).

5. The annular air-out warmer with layered air duct according to claim 1, wherein: the box body (1) is further provided with an air outlet cavity assembly (3) at a position corresponding to an air outlet port of the air supply duct (10), the air outlet cavity assembly (3) is provided with an annular flow passage (30) which gradually extends outwards from top to bottom, the width of the annular flow passage (30) gradually decreases along the flowing direction of air flow, and the panel assembly is provided with an annular air outlet (20) at a position corresponding to the air outlet port of the annular flow passage (30).

6. The annular air-out warmer with layered air duct of claim 5, wherein: the air outlet grille (21) is arranged at the annular air outlet (20) of the panel assembly, and a display screen for displaying working state information is arranged in the middle of the air outlet grille (21).

7. The annular air-out warmer with layered air duct according to claim 1, wherein: the air exchanging device is characterized by further comprising an air exchanging fan (5) arranged in the box body (1), and an air exchanging outlet (12) opposite to the air outlet of the air exchanging fan (5) is arranged on the side portion of the box body (1).

8. The annular outlet warmer with layered air duct of claim 7, wherein: the ventilation fan (5) comprises a ventilation shell (51), a ventilation wind wheel (52) arranged in the ventilation shell (51) and a second motor (53) used for driving the ventilation wind wheel (52) to rotate, the ventilation shell (51) is provided with an air inlet and an air outlet, and the air outlet of the ventilation shell (51) is correspondingly communicated with the ventilation outlet (12) of the box body (1).

9. The annular outlet warmer with layered air duct according to any one of claims 1 to 8, wherein: and a through-flow port (6) for external air flow to enter is arranged between the peripheral edge of the panel assembly and the box body (1).

10. The annular outlet warmer with layered air duct according to any one of claims 1 to 8, wherein: and a heating piece (61) for heating the air flow is arranged at the air outlet of the air supply duct (10).