CN210916673U

CN210916673U - Water level sensing device of washing machine and washing machine with same

Info

Publication number: CN210916673U
Application number: CN201921798126.2U
Authority: CN
Inventors: 陈园园; 胡磊
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-03
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a washing machine's water level sensing device and washing machine who has it. Relates to the technical field. The water level sensing device comprises a first air chamber, a second air chamber, a pressure pipe and a water level sensor, wherein a front barrel with the first air chamber on one side and a rear barrel with the second air chamber on one side are matched and installed to form a complete barrel structure; one end of the pressure pipe is connected with the outlet of the air chamber, and the other end of the pressure pipe is communicated with the water level sensor. The utility model discloses a level sensor, pressure pipe and air chamber constitute water level sensing device and have simplified current water level sensing device's structure, reach same effect under the condition that does not increase the cost.

Description

Water level sensing device of washing machine and washing machine with same

Technical Field

The utility model belongs to the technical field of, especially, relate to a washing machine's water level sensing device and washing machine who has it.

Background

With the improvement of the quality of life of people, people seek high-quality delicate life more and more, and the washing and drying integrated machine moves into more and more ordinary families and becomes an essential household appliance for high-quality life.

The existing water level sensing device of the washing machine consists of a water level sensor, an independent air chamber, a pressure conduit and a pressure pipe. Wherein the independent air chamber is generally installed outside the tub, and one end is connected to the bottom of the tub through a pressure guide pipe. The other end is connected to a water level sensor through a pressure pipe. The independent air chamber is generally a plastic part, and the water level sensing device is inconvenient to install and high in cost.

As disclosed in application No. 201710370785.5, a water level sensing apparatus of a washing machine and a washing machine having the same, the water level sensing apparatus of the washing machine includes: the air chamber guide pipe comprises a first pipe section and a second pipe section, the first pipe section is suitable for being connected to a rear outer barrel of the washing machine to contain air and water, the second pipe section contains air and is connected to the water level sensor, the inner diameter of the second pipe section is smaller than that of the first pipe section, and the first pipe section and the second pipe section are integrally formed. The air chamber is composed of two sections of rubber pipes with different pipe diameters, the first pipe section is thick in pipe diameter and used for being connected to a rear outer barrel of the washing machine, the second pipe section is connected to the water level sensor, and the two sections of pipes are integrally formed. The rubber tube is difficult to process and high in cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a washing machine's water level sensing device and washing machine that has it constitute water level sensing device through level sensor, pressure pipe and air chamber and simplified current water level sensing device's structure, have solved the relevant problem that proposes among the background art.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a water level sensing device of a washing machine and a washing machine with the same, wherein the water level sensing device comprises a first air chamber, a second air chamber, a pressure pipe and a water level sensor, a front barrel with the first air chamber on one side and a rear barrel with the second air chamber on one side are matched and installed to form a complete barrel structure, meanwhile, the first air chamber is matched with the second air chamber to form a cavity, and an air chamber outlet communicated with the cavity is arranged on the outer side of the first air chamber; one end of the pressure pipe is connected with an outlet of the air chamber, and the other end of the pressure pipe is communicated with the water level sensor.

Further, the sensor is fixed on the outer side of the cylinder structure.

Furthermore, the bottom of the cavity is provided with a communicating groove communicated with the cylinder structure.

Furthermore, the front barrel and the rear barrel are connected in a welding manner and are both arranged in the washing machine.

The utility model discloses following beneficial effect has:

1. the utility model discloses a level sensor, pressure pipe and air chamber constitute water level sensing device and have simplified current water level sensing device's structure, reach same effect under the condition that does not increase the cost.

2. The utility model provides high water level sensing's precision has reduced the interference of other influence factors.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the front barrel structure of the present invention;

fig. 4 is a schematic view of the rear barrel structure of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-front barrel, 2-air chamber I, 3-rear barrel, 4-air chamber II, 5-communicating groove, 6-air chamber outlet, 7-pressure pipe, 8-water level sensor and 9-chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 4, the present invention relates to a water level sensing apparatus for a washing machine and a washing machine having the same, the water level sensing apparatus includes a first air chamber 2, a second air chamber 4, a pressure pipe 7 and a water level sensor 8,

the front barrel 1 with the air chamber I2 on one side and the rear barrel 3 with the air chamber II 4 on one side are installed in a matched mode to form a complete barrel structure, the front barrel 1 and the rear barrel 3 are connected in a welding mode, the sealing performance of a connection position is guaranteed, the connection reliability is high, the front barrel 1 and the rear barrel 3 are both installed in the washing machine, meanwhile, the air chamber I2 and the air chamber II 4 are matched to form a cavity 9, and an air chamber outlet 6 communicated with the cavity 9 is formed in the outer side of the air chamber I2; the bottom of the cavity 9 is provided with a communicating groove 5 communicated with the cylinder structure, and the cavity 9 and the inside of the cylinder form a communicating vessel structure through the communicating groove 5; the water level sensor 8, the pressure pipe 7 and the air chamber form the water level sensing device, so that the structure of the existing water level sensing device is simplified, the same effect is achieved under the condition that the cost is not increased, the accuracy of water level sensing is improved, and the interference of other influencing factors is reduced.

7 one end of manometer pipe and air chamber export 6 are connected, and 7 other ends of manometer pipe and water level sensor 8 intercommunication, water level sensor 8 are fixed in the outside of tube structure, and when the water level in the barrel was higher than 5 departments of intercommunication groove, atmospheric pressure in the cavity 9 changed, and water level sensor 8 judges different water levels according to this.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A water level sensing device of a washing machine and a washing machine having the same, the water level sensing device comprising a first air chamber (2), a second air chamber (4), a pressure pipe (7) and a water level sensor (8), characterized in that:

a front barrel (1) with a first air chamber (2) at one side and a rear barrel (3) with a second air chamber (4) at one side are installed in a matching mode to form a complete barrel structure, meanwhile, the first air chamber (2) and the second air chamber (4) are matched to form a cavity (9), and an air chamber outlet (6) communicated with the cavity (9) is formed in the outer side of the first air chamber (2);

one end of the pressure pipe (7) is connected with the air chamber outlet (6), and the other end of the pressure pipe (7) is communicated with the water level sensor (8).

2. The water level sensing apparatus of a washing machine and the washing machine having the same as claimed in claim 1, wherein the sensor (8) is fixed at an outside of the tub structure.

3. The water level sensing apparatus of a washing machine and the washing machine having the same as claimed in claim 1, wherein the chamber (9) is provided at a bottom thereof with a communication groove (5) communicating with the tub structure.

4. The water level sensing apparatus of a washing machine and the washing machine having the same as claimed in claim 1, wherein the front tub (1) and the rear tub (3) are connected by welding, and both the front tub (1) and the rear tub (3) are installed in the washing machine.