WO2017206233A1

WO2017206233A1 - Heat pump clothes dryer or heat pump washing-drying machine

Info

Publication number: WO2017206233A1
Application number: PCT/CN2016/087132
Authority: WO
Inventors: 钱伟; 苗雨来; 卢松; 朱春雨
Original assignee: 无锡小天鹅股份有限公司
Priority date: 2016-05-31
Filing date: 2016-06-24
Publication date: 2017-12-07

Abstract

A heat pump clothes dryer or a heat pump washing-drying machine, comprising: a machine body (1), a fan assembly (2), a base (3), and a sealing member (4). The fan assembly (2) comprises a fan volute (21) which is provided with an air opening (22). The upper end of the fan volute (21) is provided with a mounting portion (23) positioned on the periphery of the air opening (22). The lower end of the base (3) abuts against the upper end of the fan volute (21). The sealing member (4) is provided on the mounting portion (23), and abuts against the base (3) and the fan volute (21) to seal a gap between the base (3) and the fan volute (21).

Description

Heat pump dryer or heat pump washing machine

Technical field

The invention relates to the technical field of household appliances, in particular to a heat pump dryer or a heat pump washing and drying machine.

Background technique

The prior art heat pump dryer or heat pump washing and drying machine has various drying methods, and heat pump drying is one of them. At present, the heat pump drying system of the heat pump washing and drying machine in the industry is mostly divided into two types, that is, the compressor and the two devices are respectively arranged in the upper part and the lower part of the washing machine, and the middle is connected by a pipe fitting. This layout structure is complicated, which is not conducive to production and Maintenance, etc.

The related art heat pump dryer or heat pump washing and drying machine, the heat pump system is integrated on the base, and the base and the fan assembly are designed without screw connection, and the gap between the base and the fan assembly is easy to cause air leakage and air leakage. Drying performance.

Summary of the invention

The present invention aims to solve at least one of the above technical problems to some extent.

To this end, an object of the present invention is to provide a heat pump drying integrated machine capable of preventing air leakage and air leakage between the base and the fan assembly, and ensuring drying performance.

A heat pump dryer or a heat pump washing and drying machine according to an embodiment of the present invention includes: a body; a fan assembly, the fan assembly is disposed in the body, the fan assembly includes a fan volute, and the fan volute a tuyere is provided, the upper end of the fan volute is provided with a mounting portion on the outer circumference of the tuyere; the base is disposed on the body and above the fan assembly, and the lower end of the base is Abutting against an upper end of the fan volute; a sealing member disposed on the mounting portion, the sealing member abutting the base and the fan volute to seal the base and the fan The gap between the volutes.

According to the heat pump dryer or the heat pump washing and drying machine according to the embodiment of the invention, a mounting portion is arranged on the volute of the fan, and the sealing member is arranged on the mounting portion and abuts against the base and the fan volute to seal the base and the fan worm The gap between the shells can improve the sealing effect between the fan assembly and the base, preventing air leakage from the gap between the fan volute and the base to ensure the safety of the heat pump dryer or the heat pump washing and drying machine , reliability and drying performance.

In addition, the heat pump dryer or the heat pump washing and drying machine according to the embodiment of the present invention may further have the following additional technical features:

According to some embodiments of the invention, the mounting portion is formed in an annular shape extending in a circumferential direction of the tuyere, and the seal is formed as a seal ring.

Optionally, the mounting portion is provided with an opening upward opening, and the sealing member is installed in the mounting groove.

Optionally, the lower end of the base is provided with a limiting rib extending along a circumferential direction thereof and protruding downward, the limiting rib corresponding to the position of the mounting groove and extending into the mounting In the slot, the limiting ribs stop against the seal.

Further, the cross section of the sealing member is formed substantially in a U shape, and the limiting rib is engaged in the U-shaped opening of the sealing member.

Further, the lower end of the base is provided with a positioning rib extending along the circumferential direction thereof and protruding downward, and the radial dimension of the positioning rib is smaller than the radial dimension of the inner ring of the mounting portion.

Optionally, a dimension of the positioning rib protruding downward is greater than a dimension of the limiting rib protruding downward.

Optionally, the positioning rib protrudes downward by a size larger than the depth of the mounting groove.

Optionally, the positioning rib and the limiting rib are integrally formed with the base.

According to some embodiments of the invention, the seal is formed as a rubber mat.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a heat pump dryer or a heat pump washing and drying machine according to an embodiment of the present invention;

2 is a partial structural schematic view of a heat pump dryer or a heat pump washing and drying machine according to an embodiment of the present invention;

3 is a schematic structural view of a base and a fan assembly of a heat pump dryer or a heat pump washing and drying machine according to an embodiment of the present invention;

4 is a partial enlarged view of a base and a fan assembly of a heat pump dryer or a heat pump washing and drying machine according to an embodiment of the present invention.

Reference mark:

100: heat pump dryer or heat pump washing and drying machine;

1: body;

2: fan assembly, 21: fan volute, 22: tuyere, 23: mounting section, 231: mounting slot;

3: base, 31: limit ribs, 32: positioning ribs, 33: air outlets;

4: Seals.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings, Like numbers refer to the same or similar elements or elements that have the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship of the indications "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation shown in the drawings or The positional relationship is merely for the purpose of facilitating the description of the invention and the simplification of the invention, and is not intended to be a limitation of the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

A heat pump dryer or a heat pump washing and drying machine 100 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 4, a heat pump dryer or a heat pump washing and drying machine 100 according to an embodiment of the present invention may include a body 1, a fan assembly 2, a base 3, and a seal 4.

Specifically, the fan assembly 2 is disposed in the body 1, the fan assembly 2 includes a fan volute 21, and the fan volute 21 is provided with a tuyere 22, and the upper end of the fan volute 21 is provided with a mounting portion 23 at the outer periphery of the tuyere 22, and the base 3 is disposed on the body 1 and above the fan assembly 2, the lower end of the base 3 is stopped at the upper end of the fan volute 21, the sealing member 4 is disposed on the mounting portion 23, and the sealing member 4 is abutted against the base 3 and the fan volute 21 The gap between the sealing base 3 and the fan volute 21 is sealed.

As shown in FIG. 1 and FIG. 2, the base 3 is disposed on the body 1 and located at the upper end of the body 1. The heat pump system can be integrally disposed on the base 33. The fan assembly 2 is disposed in the body 1 and below the base 3. The fan assembly 2 is in communication with a heat pump system on the base 3.

The fan assembly 2 includes a fan volute 21, and the base 3 is disposed above the fan assembly 2 and the lower end of the base 3 terminates at the upper end of the fan volute 21. In other words, the base 3 can be pressed against the fan assembly 2, and the upper end of the fan volute 21 is provided with a tuyere 22 which is open toward the base 3 and is in communication with the heat pump system. Under the action of the fan assembly 2, the dry hot air generated by the heat pump system flows through the tuyere 22 to the fan assembly 2 and flows to the inner cylinder of the heat pump dryer or the heat pump washing and drying machine 100.

When the pedestal of the related art is docked with the tuyere, it is prone to misalignment and cause air leakage. The heat pump dryer or the heat pump washing and drying machine 100 of the present invention is provided with a sealing member 4 on the outer circumference of the tuyere 22, and the fan volute 21 and the base can be prevented by the sealing member 4. Air leakage at the docking point of the seat 3 improves the sealing effect of the fan assembly 2 and the base 3, and ensures the performance of the heat pump dryer or the heat pump washing and drying machine 100.

As shown in FIGS. 3 and 4, a mounting portion 23 is provided at the upper end of the fan volute 21, the mounting portion 23 is provided on the outer periphery of the tuyere 22, and the sealing member 4 is provided on the mounting portion 23 and is stopped against the base 3 and the fan. The volute 21 seals the gap between the base 3 and the fan volute 21. As shown in FIG. 4, an air outlet 33 corresponding to the tuyere 22 is formed in the base 3, and the air outlet 33 is in contact with the tuyere 22, and the hot air of the heat pump system flows through the air outlet 33 to the tuyere 22 of the fan volute 21. Thereby, the sealing effect between the base 3 and the fan assembly 2 can be improved by the sealing member 4, thereby preventing hot air from leaking from the docking portion of the fan assembly 2 and the base 3, and improving the heat pump dryer or the heat pump washing and drying machine. 100 drying performance.

According to the heat pump dryer or the heat pump washing and drying machine 100 of the embodiment of the present invention, the fan volute 21 is provided with a mounting portion 23, and the sealing member 4 is disposed on the mounting portion 23 and abuts against the base 33 and the fan volute 21 The gap between the base 3 and the fan volute 21 is sealed. Thereby, the sealing effect between the fan assembly 2 and the base 3 can be improved, air leakage from the gap between the fan volute 21 and the base 3 can be prevented, and the safety and reliability of the heat pump dryer or the heat pump washing and drying machine 100 can be improved. Sex and drying performance.

In some embodiments of the present invention, the mounting portion 23 may be formed in an annular shape extending in the circumferential direction of the tuyere 22, and the sealing member 4 is formed as a sealing ring. Specifically, the mounting portion 23 is disposed outside the tuyere 22 and formed in a ring shape along the circumferential direction of the tuyere 22, and the sealing ring is disposed on the mounting portion 23 so that the fan assembly 2 and the base 3 can be sealed along the circumferential direction of the tuyere 22 The gap between them prevents leakage of air between the fan assembly 2 and the base 3.

Alternatively, as shown in FIG. 4, the mounting portion 23 may be provided with an opening-up mounting groove 231, and the sealing member 4 is mounted in the mounting groove 231. Thereby, the sealing member 4 can be defined in the mounting groove 231, thereby facilitating the mounting of the sealing member 4 while preventing the movement of the sealing member 4 and improving the sealing effect of the sealing member 4.

Optionally, the lower end of the base 3 may be provided with a limiting rib 31 extending along the circumferential direction thereof and protruding downward. The limiting rib 31 corresponds to the position of the mounting groove 231 and protrudes into the mounting groove 231, and the limiting rib 31 stops against the seal 4. As shown in FIG. 4, the limiting rib 31 is provided at the lower end of the base 3 and corresponds to the mounting groove 231. The lower end of the limiting rib 31 projects into the mounting groove 231 and abuts against the sealing member 4. Therefore, the sealing effect of the sealing member 4 can be further improved, and the connection between the fan assembly 2 and the base 3 can be defined by the cooperation of the limiting rib 31 and the mounting groove 231, and the tuyere of the base 3 and the fan assembly 2 can be prevented to some extent. 22 docking misplaced.

In some examples of the present invention, the limiting ribs 31 may be formed as a plurality of segments extending in the circumferential direction of the tuyere 22, that is, the limiting ribs 31 may be formed in plurality along the circumferential direction of the tuyere 22 and may form an arc segment. The limiting rib 31 may also be formed as a ring segment along the circumferential direction of the tuyere 22.

Further, the cross section of the sealing member 4 can be formed substantially in a U shape, and the limiting rib 31 is engaged in the U-shaped opening of the sealing member 4. As shown in FIG. 4, the shape of the mounting groove 231 can be adapted to the shape of the sealing member 4, the sealing member 4 is disposed in the mounting groove 231, and the limiting rib 31 is engaged with the sealing member 4 and the lower end of the limiting rib 31. The seal 4 is stopped. Thereby, the sealing effect of the sealing member 4 can be further improved.

In some examples of the present invention, the lower end of the base 3 may be provided with positioning ribs 32 extending in the circumferential direction thereof and projecting downward, the radial dimension of the positioning ribs 32 being smaller than the radial dimension of the inner ring of the mounting portion 23. Thereby, the positioning ribs 32 can fit within the inner ring of the mounting portion 23 so that the movement of the base 3 can be defined to achieve positioning of the base 3 and the fan assembly 2. In the example shown in FIG. 4, the tuyere 22 is provided inside the mounting portion 23 and may be formed as an inner ring of the mounting portion 23, and the radial dimension of the inner ring of the mounting portion 23, that is, the radial dimension of the tuyere 22, the positioning rib 32 corresponds to the tuyere 22, and the air outlet 33 of the base 3 communicating with the tuyere 22 can be formed in the positioning rib 32, and the positioning rib 32 can be engaged in the tuyere 22. When the base 3 is pressed against the fan assembly 2, the positioning rib 32 can extend into the tuyere 22, thereby not only facilitating the connection of the base 3 and the fan assembly 2, but also positioning the base 3 to prevent the base 3 from moving. It also facilitates the communication of the tuyere 22 and the air outlet 33.

Alternatively, as shown in FIG. 4, the size of the positioning rib 32 protruding downward may be larger than the size of the limiting rib 31 protruding downward. Thereby, the limiting rib 31 can be guaranteed to stop against the sealing member 4, and the pedestal 3 can be positioned by the positioning rib 32 to improve the sealing effect and the positioning effect. Optionally, the size of the positioning rib 32 protruding downward is greater than the depth of the mounting groove 231. Thereby, the structural strength of the base 3 and the fan assembly 2 can be improved, and the positioning effect can be enhanced. Therefore, the structural strength of the heat pump dryer or the heat pump washing and drying machine 100 can be improved while ensuring the performance of the heat pump dryer or the heat pump washing and drying machine 100.

Optionally, the positioning rib 32 and the limiting rib 31 are integrally formed with the base 3. Thereby, not only the structural strength of the positioning rib 32, the stopper rib 31, and the susceptor 3 can be improved, but also the stability of the structure of the connection between the susceptor 3 and the fan unit 2 can be improved.

In some embodiments of the invention, the seal 4 is formed as a rubber mat. Thereby, not only the cost can be reduced, the sealing effect of the sealing member 4 can be ensured, but also the damping effect can be achieved to some extent.

A heat pump dryer or a heat pump washing and drying machine 100 according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the following description is only illustrative and not a limitation of the embodiments of the invention.

As shown in FIGS. 1-4, a heat pump dryer or a heat pump washer-dryer 100 according to an embodiment of the present invention may include a body 1, a fan assembly 2, a base 3, and a seal 4.

As shown in FIG. 1 and FIG. 2, the fan assembly 2 is disposed in the body 1. The fan assembly 2 can include a fan volute 21, and the fan volute 21 is provided with a tuyere 22 disposed on the body 1 and located in the fan assembly. Below the 2, the heat pump system is integrated on the base 3, the heat pump system may include a condenser, an evaporator, a compressor, etc., the tuyere 22 may be in communication with the space in which the condenser is located, and the hot air generated by the heat pump system may be in the fan assembly 2 It flows to the tuyere 22 and flows to the inner cylinder of the heat pump dryer or the heat pump washing and drying machine 100.

The upper end of the fan volute 21 is provided with a mounting portion 23 on the outer circumference of the tuyere 22, and the mounting portion 23 is provided with an opening groove 231 having an opening upward, and the mounting groove 231 extends in the circumferential direction of the tuyere 22. The lower end of the base 3 is provided with a limiting rib 31 corresponding to the mounting groove 231 in the vertical direction. The base 3 is provided with an air outlet 33 corresponding to the air outlet 22, and the limiting rib 31 can be along the circumference of the air outlet 22 and the air outlet 33. The extension extends and protrudes downward and can protrude into the mounting groove 231.

The sealing member 4 can be a sealing ring and can be formed as a rubber pad. The cross section of the sealing ring is generally formed in a U shape, and the sealing ring is disposed in the mounting groove 231. The lower end of the limiting rib 31 can be deep into the mounting groove 231 and snapped in Inside the U-shaped opening of the seal Therefore, the seal 4 is pressed against the base 3 and the fan assembly 2 to seal the gap between the base 3 and the fan assembly 2, preventing the connection gap between the base 3 and the fan assembly 2 from leaking, improving the sealing effect, and further improving the heat pump. The safety and reliability of the dryer or the heat pump dryer 100.

As shown in FIG. 3 and FIG. 4, the lower end of the base 3 may be provided with a positioning rib 32 extending along the circumferential direction of the tuyere 22 and protruding downward. The positioning rib 32 is disposed inside the limiting rib 31 and the positioning rib 32 is The air outlet 33 is defined, and the air outlet 33 corresponds to the air outlet 22. The radial dimension of the positioning rib 32 is smaller than the radial dimension of the air outlet 22. The downward protruding size of the positioning rib 32 is larger than the protruding size of the limiting rib 31 and larger than the installation. The depth of the slot 231. Therefore, the positioning rib 32 can extend into the tuyere 22, and when the base 3 is pressed against the fan assembly 2, the base 3 can be restrained by the cooperation of the positioning rib 32 and the tuyere 22, thereby preventing the base 3 from moving. The stability of the heat pump dryer or the heat pump washing and drying machine 100 and the structural strength can also be improved by facilitating the mating connection of the base 3 and the fan assembly 2.

According to the thermal present washing and drying machine 100 of the embodiment of the present invention, the base 3 can be positioned by the positioning ribs 32, which facilitates the docking of the base 3 and the fan assembly 2. The gap between the base 3 and the fan assembly 2 can be sealed by the sealing member 4 to prevent air leakage, thereby improving the drying performance of the heat pump dryer or the heat pump washing and drying machine 100.

Other configurations and operations of the heat pump dryer or heat pump washer-dryer 100 in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is understood that the foregoing embodiments are illustrative and not restrictive Variations, modifications, alterations and variations of the above-described embodiments are possible within the scope of the invention.

Claims

A heat pump dryer or a heat pump washing and drying machine, characterized in that it comprises:

Body

a fan assembly, the fan assembly is disposed in the machine body, the fan assembly includes a fan volute, the fan volute is provided with a tuyere, and an upper end of the fan volute is provided with a mounting portion at an outer circumference of the tuyere ;

a base, the base is disposed on the body and above the fan assembly, and a lower end of the base abuts an upper end of the fan volute;

a seal, the seal being disposed on the mounting portion, the seal abutting the base and the fan volute to seal a gap between the base and the fan volute.
The heat pump dryer or heat pump washing and drying machine according to claim 1, wherein the mounting portion is formed in a ring shape extending in a circumferential direction of the tuyere, and the seal member is formed as a seal ring.
The heat pump dryer or heat pump washing and drying machine according to claim 2, wherein the mounting portion is provided with an opening-up mounting groove, and the sealing member is mounted in the mounting groove.
The heat pump dryer or heat pump washing and drying machine according to claim 3, wherein the lower end of the base is provided with a limiting rib extending along a circumferential direction thereof and protruding downward, the limiting rib and The mounting groove has a corresponding position and protrudes into the mounting groove, and the limiting rib stops against the sealing member.
The heat pump dryer or heat pump washing and drying machine according to claim 4, wherein the sealing member has a U-shaped cross section, and the limiting rib is engaged with the U-shaped opening of the sealing member. Inside.
The heat pump dryer or heat pump washing and drying machine according to claim 4, wherein the lower end of the base is provided with positioning ribs extending in the circumferential direction thereof and protruding downward, the radial direction of the positioning ribs The dimension is smaller than the radial dimension of the inner ring of the mounting portion.
The heat pump dryer or heat pump washing and drying machine according to claim 6, wherein a size of the positioning rib protruding downward is larger than a size of the limiting rib protruding downward.
The heat pump dryer or heat pump washing and drying machine according to claim 6, wherein the positioning rib protrudes downward by a size larger than a depth of the mounting groove.
The heat pump dryer or heat pump washing and drying machine according to claim 6, wherein the positioning rib and the stopper rib are integrally formed with the base.
The heat pump dryer or heat pump washing and drying machine according to any one of claims 1 to 9, wherein the seal member is formed as a rubber mat.