A type of bathroom heater

Abstract

This utility model provides a bathroom heater that adopts a bidirectional blowing volute. The ventilation channel has a first hollow structure to reduce the airflow resistance, and the air outlet channel has a second hollow structure to reduce the airflow resistance. By reducing the airflow resistance of the air supply channel, the air supply efficiency of the bidirectional blowing volute bathroom heater is improved, the space occupied by the bathroom heater is reduced, and the application range is wider.

Description

Technical Field

[0001] This utility model specifically relates to a bathroom heater. Background Technology

[0002] Most bathroom heaters on the market currently use a double-casing structure, with one casing for heating and the other for ventilation. To achieve a larger air supply effect, a higher-powered casing is usually required, or the air delivery efficiency needs to be improved while maintaining the same casing power, resulting in a relatively large unit size. The use of a bidirectional blowing casing solves these problems. Its clockwise and counterclockwise rotation creates two different air outlets, one for ventilation and the other for heating, significantly reducing the space occupied by the bathroom heater while maintaining its existing functions. However, existing bidirectional blowing casings have a drawback: during operation, when one air duct is supplying air, the other duct obstructs the airflow, creating wind resistance and reducing air delivery efficiency. Therefore, there is still room for improvement in the air delivery channel of the bidirectional blowing casing.

[0003] Therefore, it is necessary to provide a bathroom heater that uses a bidirectional blowing volute for air delivery. By adding a first hollow structure and a second hollow structure to the ventilation channel and the air outlet channel respectively to reduce wind resistance, the air delivery efficiency of the bidirectional blowing volute is improved, the space of the bathroom heater is reduced, and it has a higher cost performance and a wider range of applications. Utility Model Content

[0004] The purpose of this invention is to provide a bathroom heater that solves the problem of low air delivery efficiency caused by high air resistance in the air duct of existing two-way blowing volute bathroom heaters.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A bathroom heater includes a housing with an air vent and an exhaust vent. Inside the housing is a blower volute with two layers of blades. One layer of blades is arranged counter-clockwise, and the other layer is arranged clockwise, giving the blower volute two air outlets. One outlet is connected to the air vent via an air exchange channel, and the other outlet is connected to the exhaust vent via an exhaust channel. The air exchange channel and the exhaust channel are stacked. The air exchange channel has a first perforated structure to reduce airflow resistance, and the exhaust channel has a second perforated structure to reduce airflow resistance.

[0007] In some embodiments of this utility model, the ventilation channel includes a first air guide, and the first hollow structure is disposed on the first air guide.

[0008] Furthermore, the air outlet channel includes a second air guide, and the second hollow structure is disposed on the second air guide.

[0009] In some embodiments of this utility model, the ventilation channel includes a first air guide component, which is a stepped air guide structure composed of multiple arc-shaped air guide components arranged alternately, forming a first hollow structure between the different arc-shaped air guide components. With this arrangement, when the volute rotates for ventilation, the first air guide component does not affect the air supply of the ventilation channel; and when air is discharged, the first hollow structure allows some of the exhaust airflow to pass through, reducing the air resistance of the exhaust airflow.

[0010] Furthermore, the air outlet channel includes a second air guide component, which is a stepped air guide structure composed of multiple arc-shaped air guide components arranged alternately, forming a second hollow structure between the different arc-shaped air guide components. With this arrangement, when the volute rotates to discharge air, the second air guide component will not affect the air supply of the air outlet channel. During ventilation, the second hollow structure allows some of the ventilation airflow to pass through, reducing the air resistance of the ventilation airflow.

[0011] In this invention, the first hollow structure is a vent hole, and the second hollow structure is a vent hole.

[0012] In this invention, the ventilation channel is formed by sequentially connecting and enclosing a first air guide section, a second air guide section, a first housing section, a third air guide section, a second housing section, and a fourth air guide section. The ventilation port is located at the end of the ventilation channel, between the first and fourth air guide sections. This design makes efficient use of the casing structure and internal space, reducing the size of the bathroom heater / ventilation unit.

[0013] Furthermore, the first air guide section is an arc-shaped plate, the second air guide section is a first air guide component, the third air guide section is an arc-shaped plate, and the fourth air guide section is a straight plate. This configuration allows the ventilation channel to achieve higher air delivery efficiency.

[0014] In this invention, the air outlet channel is formed by sequentially connecting and enclosing a fifth air guide section, a sixth air guide section, and a third housing section. The exhaust port is located at the end of the air outlet channel, between the fifth air guide section and the third housing section. This design makes efficient use of the casing structure and internal space, reducing the size of the bathroom heater / ventilation unit.

[0015] Furthermore, the fifth air guide section is an arc-shaped plate, and the sixth air guide section is a second air guide component.

[0016] This invention can be improved by further including an airflow guiding channel connected to the outlet channel; the airflow guiding channel is a spiral channel, and its width gradually increases spirally from the inlet to the outlet. With this configuration, the airflow guiding channel guides the airflow exiting the outlet channel. When the outlet channel is an Archimedean spiral duct, the generated airflow connects with the spiral airflow guiding channel with low loss, reducing losses and improving air delivery efficiency.

[0017] Furthermore, the airflow guiding channel is formed by the fifth air guide section and the seventh air guide section, the seventh air guide section is connected to the third shell section, and the exhaust port is located at the end of the airflow guiding channel.

[0018] In this invention, the seventh air guide section is an arc-shaped plate. This design allows the ventilation channel to achieve higher air delivery efficiency.

[0019] In this invention, the first air guide and the second air guide are respectively positioned opposite the two layers of blades of the blower volute, and the height of the first air guide and the second air guide is not higher than the height of a single layer of blades of the blower volute.

[0020] In this invention, the overlapping portion of the ventilation channel and the air outlet channel is hollowed out.

[0021] In this invention, a heater is provided inside the airflow guiding channel.

[0022] In this invention, the ventilation channel is an Archimedean spiral duct; the air outlet channel is an Archimedean spiral duct. The use of Archimedean spiral ducts for both the ventilation channel and the air outlet channel results in higher air delivery efficiency.

[0023] In this utility model, the housing is also provided with an air inlet, which is positioned directly opposite the air inlet of the blower volute.

[0024] In some embodiments of this utility model, the air inlet is located at the top of the casing, the air exchange port is located on the side wall of the casing, and the exhaust port is located at the top of the casing, allowing airflow to exit from the top of the casing. Furthermore, a guide element, which is an arc-shaped guide plate, is provided at the exhaust port. The guide element changes the direction of the airflow, minimizing losses.

[0025] This utility model has the following beneficial effects:

[0026] (1) The present invention uses a bidirectional blowing volute, and the ventilation channel is provided with a first hollow structure to reduce the airflow resistance. The air outlet channel is provided with a second hollow structure to reduce the airflow resistance. By reducing the airflow resistance, the air delivery efficiency of the bidirectional blowing volute bathroom heater is improved, the space occupied by the bathroom heater is reduced, and the application range is wider.

[0027] (2) The airflow guiding channel of this utility model bathroom heater is a spiral channel. The channel width gradually expands spirally from the channel inlet to the channel outlet. The air outlet channel and the airflow guiding channel are connected to guide the airflow generated by the air outlet channel. It can be well connected and guided with the airflow generated by the Archimedes spiral air duct, reducing airflow loss and improving air delivery efficiency. Attached Figure Description

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0029] Figure 1 This is a schematic diagram of the overall structure of the bathroom heater of this utility model;

[0030] Figure 2 This is the front view of the bathroom heater of this utility model;

[0031] Figure 3 This is a left view of the bathroom heater of this utility model;

[0032] Figure 4 This is a bottom view of the bathroom heater of this utility model;

[0033] Figure 5 This is one of the internal structural diagrams of the bathroom heater of this utility model;

[0034] Figure 6 This is the second internal structural diagram of the bathroom heater of this utility model;

[0035] Figure 7 This is a diagram showing the positional relationship between the blower housing, the first air guide, and the second air guide of this utility model.

[0036] Figure 8 This is a schematic diagram of the overall structure of the first air guide component of this utility model;

[0037] Figure 9 This is a front view of the first air guide component of this utility model;

[0038] Figure 10 This is a schematic diagram of the overall structure of the second air guide component of this utility model;

[0039] Figure 11 This is a front view of the second air guide component of this utility model;

[0040] Figure 12 This is a schematic diagram showing the airflow direction when the bathroom heater of this utility model is venting air;

[0041] Figure 13 This is a schematic diagram showing the airflow direction during ventilation in the bathroom heater of this utility model;

[0042] The following are the markings in the attached diagram: 1. Housing; 2. Blower volute; 3. Heater; 4. Ventilation channel; 5. Air outlet channel; 6. Airflow guiding channel; 401. First air guide; 402. First hollow structure; 501. Second air guide; 502. Second hollow structure; 7. Guide component; 8. First air guide section; 9. Second air guide section; 10. Third air guide section; 11. Fourth air guide section; 12. Fifth air guide section; 13. Sixth air guide section; 14. Seventh air guide section; 15. First housing section; 16. Second housing section; 17. Third housing section; 101. Ventilation port; 102. Air inlet; 103. Exhaust port; 201. Air outlet; 202. Air inlet; 203. Rotary wheel. Detailed Implementation

[0043] like Figure 1-13 The bathroom heater shown includes a housing 1, a blower housing 2, and a heater 3.

[0044] The top of the casing 1 has a circular air inlet 102 and a rectangular exhaust vent 103, while the side wall has a ventilation vent 101. This arrangement, with both the air inlet 102 and exhaust vent 103 located at the top of the casing 1, allows for internal airflow circulation within the bathroom, improving ventilation efficiency and facilitating rapid heating. Simultaneously, the location of the air inlet 102 at the top and the ventilation vent 101 on the side wall of the casing 1 enables airflow circulation between the bathroom and the outside, creating an internal-external circulation for better ventilation.

[0045] A blower volute 2 is located inside the housing 1, with its air inlet 202 facing the air inlet 102 at the top of the housing 1. The rotor 203 of the blower volute 2 has two layers of blades, one layer arranged counter-clockwise and the other clockwise, giving the blower volute 2 two air outlets 201. One outlet 201 is connected to the air exchange outlet 101 via a ventilation channel 4, and the other outlet 201 is connected to the exhaust outlet 103 via an air outlet channel 5. The ventilation channel 4 includes a first air guide 401, which is a stepped air guide structure composed of multiple interlaced arc-shaped air guides, forming a first hollow structure 402 between the different arc-shaped air guides. The air outlet duct 5 includes a second air guide 501, which is a stepped air guide structure composed of multiple arc-shaped air guides arranged alternately, forming a second hollow structure 502 between the different arc-shaped air guides. The first hollow structure 402 and the second hollow structure 502 are ventilation holes. In this embodiment, the first air guide 401 has three arc-shaped air guides, giving the air exchange duct 4 two ventilation holes to reduce the airflow resistance; the second air guide 501 has three arc-shaped air guides, giving the air outlet duct 5 two ventilation holes to reduce the airflow resistance. To reduce the space occupied by the ducts inside the casing 1, reduce the overall size of the bathroom heater, and improve space utilization, the air exchange duct 4 and the air outlet duct 5 are stacked, with the overlapping part of the air exchange duct 4 and the air outlet duct 5 hollowed out. By not setting a partition structure at the connection of the overlapping part of the ventilation channel 4 and the air outlet channel 5, on the one hand, the first hollow structure 402 and the second hollow structure 502 can play their roles, and on the other hand, the hollow setting reduces the material structure, so that a higher cost performance can be obtained even if the air supply efficiency is slightly reduced.

[0046] With this configuration, the clockwise and counterclockwise rotation of the blower housing 2's rotating wheel 203 creates different airflow outlets 201, which are blown through the ventilation channel 4 to the ventilation port 101 and through the air outlet channel 5 to the exhaust port 103, respectively. Thus, the blower housing 2 can perform two functions: ventilation or heating. This design offers high structural efficiency and reduces the space occupied by the bathroom heater. Furthermore, during heating air supply, the vents in the first air guide 401 reduce the airflow resistance (see airflow direction during air supply). Figure 12 During ventilation, the vents in the second air guide 501 reduce the air resistance of the ventilation airflow (see airflow direction during ventilation). Figure 13 This design allows for higher air delivery efficiency throughout the entire air duct process. In this embodiment, to achieve even higher air delivery efficiency, an airflow guiding channel 6 is also provided. The airflow guiding channel 6 is connected to the air outlet channel 5, and the exhaust port 103 is located at the end of the airflow guiding channel 6.

[0047] Specifically, the ventilation channel 4 is an Archimedean spiral duct formed by sequentially connecting and enclosing the first guide section 8, the second guide section 9, the first shell section 15, the third guide section 10, the second shell section 16, and the fourth guide section 11. The ventilation port 101 is located at the end of the ventilation channel 4, between the first guide section 8 and the fourth guide section 11. The exhaust channel 5 is an Archimedean spiral duct formed by sequentially connecting and enclosing the fifth guide section 12, the sixth guide section 13, and the third shell section 17. The airflow guiding channel 6 is formed by enclosing the fifth guide section 12 and the seventh guide section 14, with the seventh guide section 14 connected to the third shell section 17. The airflow guiding channel 6 is a spiral channel, and its width gradually increases spirally from the inlet to the outlet. The exhaust port 103 is located at the end of the airflow guiding channel 6, and a heater 3 is installed inside the airflow guiding channel 6. In this embodiment, to improve the air delivery efficiency of the blower volute 2, the first air guide section 8 is an arc-shaped plate, the second air guide section 9 is a first air guide component 401, the third air guide section 10 is an arc-shaped plate, the fourth air guide section 11 is a straight plate, the fifth air guide section 12 is an arc-shaped plate, the sixth air guide section 13 is a second air guide component 501, and the seventh air guide section 14 is an arc-shaped plate. The first air guide component 401 and the second air guide component 501 are respectively directly opposite the two layers of blades of the blower volute 2 (it can be understood that the height of the first air guide component 401 and the second air guide component 501 is not higher than the height of a single layer of blades of the blower volute 2 rotor 203, so as to avoid affecting the air delivery of other air ducts).

[0048] In this embodiment, a guide vane 7 is provided at the exhaust vent 103. The guide vane 7 is an arc-shaped guide plate. The guide vane 7 is used to change the airflow direction, minimize losses, and improve air delivery efficiency.

[0049] This utility model of a bathroom heater adopts a bidirectional blowing volute 2, and the ventilation channel 4 and the air outlet channel 5 are respectively provided with ventilation holes. The ventilation holes reduce the wind resistance of the ventilation airflow and the air outlet airflow, reduce the space occupied by the bathroom heater, and improve the air delivery efficiency of the bidirectional blowing volute 2. The ventilation channel 4 and the air outlet channel 5 adopt the Archimedes spiral air duct for air delivery (ventilation or air outlet), which further improves the blowing efficiency. The entire bathroom heater has lower requirements for the ceiling space of the bathroom and has a wider range of applications.

[0050] The above embodiments of this utility model are not intended to limit the scope of protection of this utility model. The implementation of this utility model is not limited thereto. All other modifications, substitutions or alterations made to the above structure of this utility model based on the above content of this utility model and in accordance with the common technical knowledge and conventional means in the field, without departing from the basic technical idea of ​​this utility model, shall fall within the scope of protection of this utility model.

Claims

1. A bathroom heater, comprising a casing (1) having an air inlet (101) and an air outlet (103); a blowing volute (2) is arranged in the casing (1), and a rotating wheel (203) of the blowing volute (2) is provided with two layers of blades, wherein, One layer of blades is arranged counterclockwise, and another layer of blades is arranged clockwise, so that the blower volute (2) has two air outlets (201). One air outlet (201) is connected to the air exchange port (101) through the air exchange channel (4), and the other air outlet (201) is connected to the exhaust port (103) through the air outlet channel (5). The air exchange channel (4) and the air outlet channel (5) are stacked. The air exchange channel (4) is provided with a first hollow structure (402) to reduce the airflow resistance, and the air outlet channel (5) is provided with a second hollow structure (502) to reduce the airflow resistance.

2. The bath heater as claimed in claim 1, wherein, The ventilation channel (4) includes a first air guide (401), and the first hollow structure (402) is disposed on the first air guide (401); the air outlet channel (5) includes a second air guide (501), and the second hollow structure (502) is disposed on the second air guide (501).

3. The bath heater according to claim 1, characterized in that, The ventilation channel (4) includes a first air guide (401), which is a stepped air guide structure, consisting of multiple arc-shaped air guides arranged alternately, so that a first hollow structure (402) is formed between different arc-shaped air guides.

4. The bath heater as claimed in claim 3, wherein, The air outlet channel (5) includes a second air guide (501), which is a stepped air guide structure, consisting of multiple arc-shaped air guides arranged alternately, so that a second hollow structure (502) is formed between different arc-shaped air guides.

5. The bath heater according to any one of claims 1 to 4, wherein The first hollow structure (402) is a vent, and the second hollow structure (502) is a vent.

6. The bath heater according to claim 5, characterized in that, It also includes an airflow guiding channel (6), which is connected to the air outlet channel (5); the airflow guiding channel (6) is a spiral channel, and the channel width of the airflow guiding channel (6) gradually spirals from the channel inlet to the channel outlet.

7. The bath heater according to claim 6, characterized in that, The ventilation channel (4) is formed by connecting and enclosing the first air guide section (8), the second air guide section (9), the first shell section (15), the third air guide section (10), the second shell section (16), and the fourth air guide section (11) in sequence. The ventilation port (101) is located at the end of the ventilation channel (4) and between the first air guide section (8) and the fourth air guide section (11). The air outlet channel (5) is formed by connecting and enclosing the fifth air guide section (12), the sixth air guide section (13) and the third shell section (17) in sequence. The exhaust port (103) is located at the end of the air outlet channel (5) and between the fifth air guide section (12) and the third shell section (17). The airflow guiding channel (6) is formed by the fifth air guide section (12) and the seventh air guide section (14). The seventh air guide section (14) is connected to the third shell section (17). The exhaust port (103) is located at the end of the airflow guiding channel (6).

8. The bath heater according to claim 7, characterized in that, The first air guide section (8) is an arc-shaped plate, the second air guide section (9) is a first air guide component (401), the third air guide section (10) is an arc-shaped plate, the fourth air guide section (11) is a straight plate, the fifth air guide section (12) is an arc-shaped plate, the sixth air guide section (13) is a second air guide component (501), and the seventh air guide section (14) is an arc-shaped plate.

9. The bath heater as claimed in claim 8, wherein, The airflow guiding channel (6) is equipped with a heater (3); the air exchange channel (4) is an Archimedes spiral air duct; the air outlet channel (5) is an Archimedes spiral air duct.

10. The bath heater as claimed in claim 9, wherein, The housing (1) is also provided with an air inlet (102), which is directly opposite to the air inlet (202) of the blower volute (2); the air inlet (102) is located at the top of the housing (1), the air exchange port (101) is located on the side wall of the housing (1), and the exhaust port (103) is located at the top of the housing (1), so that the airflow is blown out from the top of the housing (1).

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