WO2018077015A1

WO2018077015A1 - Base plate assembly of mobile air conditioner and mobile air conditioner having same

Info

Publication number: WO2018077015A1
Application number: PCT/CN2017/104919
Authority: WO
Inventors: 卢绍章
Original assignee: 佛山市顺德区美的电子科技有限公司
Priority date: 2016-10-31
Filing date: 2017-09-30
Publication date: 2018-05-03

Abstract

A base plate assembly (100) of a mobile air conditioner and a mobile air conditioner having same. The base plate assembly (100) comprises: a base plate (1), a water receiving tank (10) and a water pumping tank (11) in communication with the water receiving tank (10) being provided within the base plate (1), and the water receiving tank (10) being provided with a drain outlet (12); and a filter screen (2), which is provided on the base plate (1) and located in the water pumping tank (11) to filter water flowing from the water receiving tank (10) to the water pumping tank (11), the mesh range of the filter screen (2) being 22-25, and a water pump being adaptively provided in the water pumping tank (11) and downstream of the filter screen (2).

Description

Chassis assembly of mobile air conditioner and mobile air conditioner having same

Technical field

The present invention relates to the field of refrigeration, and in particular to a chassis assembly for a mobile air conditioner and a mobile air conditioner having the same.

Background technique

The mobile air conditioner generally uses a water pump to pump water to the condenser to dissipate heat from the condenser to improve the cooling effect. The mobile air conditioner uses a water pump to pump the condensed water into the water pumping device for watering. The water pump of the related art is prone to failure, and the maintenance cost of the mobile air conditioner is high, causing dissatisfaction of the user.

Summary of the invention

The inventors have found that most of the causes of the malfunction of the water pump of the mobile air conditioner in the related art are due to the presence of substances such as dander in the water, and the fact that the material such as the dander blocks the water passage of the water pump and the pump fails to operate. This application is an improvement made by the inventors based on the findings and understanding of the above facts and problems.

To this end, the present invention proposes a chassis assembly for a mobile air conditioner that can reduce the failure rate of the water pump.

The invention also proposes a mobile air conditioner having the above-described chassis assembly.

According to the chassis assembly of the mobile air conditioner according to the embodiment of the present invention, the mobile air conditioner includes a water pump, and the chassis assembly includes: a chassis having a water receiving tank and a water pump connected to the water receiving tank, The water tank is provided with a water outlet; a filter mesh is disposed on the chassis and located in the water pump to filter water flowing from the water tank to the water pump, the mesh of the filter The value ranges from 22 to 25. The water pump is adapted to be disposed in the pumping tank and downstream of the filter screen.

According to the chassis assembly of the mobile air conditioner according to the embodiment of the invention, it is possible to prevent debris, hair and the like from entering the water pump and clogging the water pump, thereby reducing the failure rate of the water pump, prolonging the service life of the water pump, and reducing the maintenance cost.

In some embodiments of the present invention, a water blocking step is provided at a water outlet end of the water receiving tank toward the water pumping tank, and a top wall of the water blocking step is higher than a bottom wall of the water receiving tank.

Optionally, the height of the water retaining step ranges from 3 to 8 mm.

In some embodiments of the invention, the pumping gutter is provided with an annular raised portion, and the water inlet end of the water pump is adapted to be located within the raised portion.

Optionally, the height of the raised portion ranges from 3 to 8 mm.

In some embodiments of the invention, the raised portion is formed in a circular shape.

In some embodiments of the invention, the drain opening is connected to the lowest point of the sink.

In some embodiments of the invention, the filter screen is removably disposed on the chassis.

In some embodiments of the invention, the filter mesh is a stainless steel filter mesh.

A mobile air conditioner according to an embodiment of the present invention includes: a chassis assembly according to the above embodiment of the present invention; a water pump and a water catching member, at least a part of the water catching member is disposed in the water receiving tank, and the water pump is disposed at the water tank The water tank is drained to draw water in the water pump to the water tank or the water pump.

According to the mobile air conditioner of the embodiment of the present invention, by providing the above-mentioned chassis assembly, it is possible to prevent debris, hair and the like from entering the water pump and clogging the water pump, thereby reducing the failure rate of the water pump, prolonging the service life of the water pump, and reducing the maintenance cost. .

DRAWINGS

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

1 is a schematic view of a chassis assembly of a mobile air conditioner according to an embodiment of the present invention;

Figure 2 is an enlarged schematic view of a portion A of Figure 1;

Figure 3 is a front elevational view of a chassis assembly in accordance with an embodiment of the present invention;

4 is a cross-sectional view of a chassis assembly in accordance with an embodiment of the present invention.

Reference mark:

Chassis assembly 100,

Chassis 1, water tank 10, water pumping tank 11, water outlet 12, water blocking step 14, convex portion 15,

Filter 2.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. 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", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or The implied indicates the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless 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 in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. 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 chassis assembly 100 of a mobile air conditioner according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 4. The mobile air conditioner includes a water pump and a water pump. It is understood that the mobile air conditioner further includes a condenser, an evaporator, and a compression. The machine and other components, the water pumping parts condensate water to the condenser to cool the condenser, the refrigeration principle of the mobile air conditioner has been the prior art, and will not be described in detail here.

As shown in FIG. 1 to FIG. 4, the chassis assembly 100 of the mobile air conditioner according to the embodiment of the present invention includes a chassis 1 and a filter net 2, wherein the bottom plate 1 is provided with a water receiving tank 10 and a water pump 11 connected to the water receiving tank 10. The water receiving tank 10 is provided with a drain port 12, and at least a part of the water pumping member is adapted to be disposed in the water receiving tank 10. Specifically, the water receiving tank 10 is configured to receive the condensed water flowing down from the evaporator, and the water in the water receiving tank 10 can flow to the water pumping tank 11, the water pumping member drives the water to the condenser, and the water pump is disposed in the water pumping tank 11 to pump the water tank. The water in 11 is pumped to the water tank 10 or the water pump. A drain member is provided at the drain port 12 to normally close the drain port 12, and when it is necessary to discharge water in the water tank 10, the drain port 12 is opened.

The filter 2 is disposed on the chassis 1 and located in the water pump 11 to filter the water flowing from the water receiving tank 10 to the water pumping tank 11. The mesh number of the filter net 2 ranges from 22 to 25, and the water pump is adapted to be disposed in the water pumping tank 11 It is located inside the filter 2 and inside. It should be noted that the filter 2 having a mesh range of 22-25 can filter large particles such as dander and hair in the water, and the filtered water flows to the water inlet end of the water pump, thereby avoiding shavings, A substance such as hair enters the water pump and blocks the water pump.

According to the chassis assembly 100 of the mobile air conditioner according to the embodiment of the present invention, by providing the filter net 2 in the water pumping tank 11, and the filter net 2 is located upstream of the water inlet end of the water pump, it is possible to prevent substances such as chips, hair and the like from entering the water pump. Blocking the pump can reduce the failure rate of the pump, prolong the service life of the pump, and reduce maintenance costs.

The inventor has found through a lot of experiments that when the material of the filter 2 is plastic, the filter 2 will be moldy after using for a period of time, and the moldy filter 2 will block the mesh, so that the water flow cannot flow smoothly to the water pump, when the filter 2 When the material is rusted metal, the rusted filter 2 is likely to pollute the water and cause damage to the water pump. When the material of the filter 2 is stainless steel, the filter 2 will not rust or mold, thus ensuring the filter. The filtration effect of 2, thus in a preferred embodiment of the invention, the filter 2 is a stainless steel filter.

Optionally, the filter net 2 is detachably disposed on the chassis 1 to facilitate replacement of the filter net 2. For example, the filter net 2 may be detachably disposed on the chassis 1 by using elements such as bolts.

In some embodiments of the present invention, as shown in FIG. 1 and FIG. 2, a water blocking step 14 is provided at the water outlet end of the water receiving tank 10 facing the water pumping tank 11, and the top wall of the water blocking step 14 is higher than the water receiving tank 10. Bottom wall. Specifically, when the condensate water flowing from the evaporator is received in the water receiving tank 10, only when the water level in the water receiving tank 10 exceeds the water blocking step 14, a part of the water in the water receiving tank 10 flows to the water pumping tank 11, that is, It is said that a part of the water remains in the water tank 10, so that impurities such as mud can be isolated on the bottom wall of the water tank 10, so that mud and the like can be prevented from flowing to the water pumping tank 11, which can further avoid the clogging of the water pump and further extend the water pump. Service life.

Optionally, the height of the water retaining step 14 ranges from 3 to 8 mm. Therefore, not only the mud and the like can be blocked from flowing to the water pumping tank 11, but also a part of the water can flow to the water pumping tank 11. Preferably, the height of the water retaining step 14 is 5 mm. It should be noted that the height of the water blocking step 14 refers to the vertical distance between the top wall of the water blocking step 14 and the bottom wall of the water receiving tank 10.

As shown in Figures 1 and 3, in some embodiments of the invention, the pumping trough 11 is provided with an annular raised portion 15 in which the water inlet end of the water pump is adapted to be located. By providing the boss portion 15, when the water level on the bottom wall of the water pumping tank 11 exceeds the boss portion 15, water flows into the boss portion 15, and the water pump extracts water in the boss portion 15. Therefore, the mud and the like can be further prevented from flowing into the water pump, which can further avoid the clogging phenomenon of the water pump and further prolong the service life of the water pump.

Optionally, the height of the raised portion 15 ranges from 3 to 8 mm. Therefore, it is possible to prevent not only the flow of the mud or the like into the convex portion 15, but also to ensure that a part of the water can flow into the convex portion 15. Preferably, the height of the raised portion 15 ranges from 5 mm. It can be understood that the height of the boss 15 refers to the vertical height between the top wall of the boss 15 and the bottom wall of the draft 11 . As shown in FIG. 3, in a specific example of the present invention, the boss portion 15 is formed in a circular ring shape. It is of course understood that the shape of the boss 15 is not limited thereto, and for example, the boss 15 may be formed in an elliptical shape, a square shape or the like. Alternatively, a water pump can be placed within the boss 15.

As shown in Figure 4, in some embodiments of the invention, the drain port 12 is connected to the lowest point of the sink 10. Therefore, it is easy to discharge the mud and the like in the water tank 10 from the water receiving tank 10.

A mobile air conditioner according to an embodiment of the present invention includes: a chassis assembly 100, a water pump, and a water pumping member. The chassis assembly 100 is a chassis assembly 100 according to the above embodiment of the present invention, and at least a portion of the water pumping member is disposed in the water receiving tank 10, The water pump is installed in the water pumping tank 11 to pump the water in the water pumping tank 11 to the water tank 10 or the water pumping member.

According to the mobile air conditioner of the embodiment of the present invention, by providing the above-described chassis assembly 100, it is possible to prevent debris, hair and the like from entering the water pump and clogging the water pump, thereby reducing the failure rate of the water pump, prolonging the service life of the water pump, and reducing maintenance. cost.

In the present invention, the first feature may be "on" or "under" the second feature, unless otherwise explicitly stated and defined. The first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is 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 is not necessarily directed to 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. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A chassis assembly of a mobile air conditioner, the mobile air conditioner comprising a water pump, wherein the chassis assembly comprises:

a chassis, the water tank is provided with a water tank and a water pump connected to the water tank, and the water tank is provided with a water outlet;

a filter screen, the filter net is disposed on the chassis and located in the water pump to filter water flowing from the water tank to the water pump, the mesh of the filter is in the range of 22-25 The water pump is adapted to be disposed within the pumping tank and downstream of the filter screen.
The chassis assembly of the mobile air conditioner according to claim 1, wherein a water blocking step is provided at a water outlet end of the water receiving tank toward the water pumping tank, and a top wall of the water blocking step is higher than the Connect the bottom wall of the sink.
The chassis assembly of the mobile air conditioner according to claim 1 or 2, wherein the height of the water retaining step ranges from 3 to 8 mm.
A chassis assembly for a mobile air conditioner according to claim 1, wherein said water suction tank is provided with an annular projection, and a water inlet end of said water pump is adapted to be located in said projection.
A chassis assembly for a mobile air conditioner according to any one of claims 1 to 4, wherein the height of the convex portion ranges from 3 to 8 mm.
A chassis assembly for a mobile air conditioner according to any one of claims 1 to 4, wherein the convex portion is formed in a circular shape.
A chassis assembly for a mobile air conditioner according to claim 1, wherein said drain port is connected to a lowermost portion of said water receiving tank.
A chassis assembly for a mobile air conditioner according to claim 1, wherein said filter net is detachably provided on said chassis.
A chassis assembly for a mobile air conditioner according to any one of claims 1 to 8, wherein the filter mesh is a stainless steel filter.
A mobile air conditioner, comprising:

A chassis assembly according to any one of claims 1-9;

a water pump and a water pump, at least a portion of the water pumping member being disposed in the water tank, the water pump being disposed in the water pumping tank to pump water in the water pumping tank to the water tank or the Watering parts.