CN211395082U

CN211395082U - Washing machine

Info

Publication number: CN211395082U
Application number: CN201921133692.1U
Authority: CN
Inventors: 詹鹏; 范迦俊; 唐轶锋
Original assignee: Panasonic Home Appliances R&D Center Hangzou Co Ltd
Current assignee: Panasonic Appliances China Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-09-01
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a washing machine belongs to domestic appliance technical field, has solved heating device heat transfer loss and has influenced the problem of stoving and washing effect greatly, and the technical scheme who solves this problem mainly includes that casing, circuit board, motor, interior bucket, cover locate the steel ladle in the bucket outside, and the motor is connected the interior bucket rotation of drive with circuit board electricity, interior bucket is the metal, and the steel ladle outside is equipped with the electromagnetic heating coil subassembly that makes the interior bucket of metal produce the vortex and generate heat, and electromagnetic heating coil subassembly is connected with the circuit board electricity. The utility model discloses well electromagnetic heating coil assembly direct heating and the interior bucket of metal of clothing contact, heat energy loss when having reduced the heat transfer, simultaneously, the heating demand when bucket heating can satisfy stoving and washing simultaneously in the metal, has reduced washing machine's spare part quantity and structure complexity.

Description

Washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to washing machine.

Background

In order to meet the increasing functional requirements of consumers on washing machines, more and more washing machines in the market are provided with a drying function to reduce the airing time of clothes, as shown in fig. 1, the existing washing machine with the drying function is generally provided with a special drying channel, a heating device A is arranged in the drying channel to heat condensed air, meanwhile, in order to ensure the washing effect of detergent, a heating device B is also arranged at the bottom of the washing machine to heat washing water, the arrangement of a plurality of heating devices increases the structural complexity and the production cost of the washing machine, meanwhile, the arrangement position of a heater is limited, a certain distance exists between the heater and a heated main body, the energy loss in the heat transfer process is large, the heating efficiency is reduced, and the heated main body is not uniformly heated, so that the washing and drying effects are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach provides a washing machine, directly to the interior bucket heating of metal, reduces the calorific loss among the heat transfer process, and washing and drying efficiency are good.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a washing machine comprises a shell, a circuit board, a motor, an inner barrel and a water containing barrel sleeved on the outer side of the inner barrel, wherein the motor is electrically connected with the circuit board to drive the inner barrel to rotate, the inner barrel is a metal inner barrel, an electromagnetic heating coil assembly which enables the metal inner barrel to generate eddy current to generate heat is arranged on the outer side of the water containing barrel, and the electromagnetic heating coil assembly is electrically connected with the circuit board.

Further, the electromagnetic heating coil assembly is positioned below the metal inner barrel.

Further, the electromagnetic heating coil assembly is fixed on the outer wall of the water containing barrel or the inner wall of the shell.

Further, the electromagnetic heating coil assembly comprises a coil, a coil support and soft magnetic for energy gathering, and the electromagnetic heating coil assembly is fixed through the coil support.

Further, the metal inner barrel is a stainless steel inner barrel.

Furthermore, the top of the water containing barrel is provided with a condensation air duct with a condensing device, a fan is arranged at an air inlet of the condensation air duct, and the electromagnetic heating coil assembly is close to an air outlet of the condensation air duct.

Furthermore, the condensing device is a semiconductor refrigerating device or a water tank for containing condensed water.

Furthermore, the shell is provided with an outlet for moist and hot air to flow out of the washing machine and an inlet for atmospheric air to flow into the metal inner barrel, the outlet is provided with a fan, and the electromagnetic heating coil assembly is close to the inlet.

After the technical scheme is adopted, the utility model has the advantages of as follows:

the electromagnetic heating coil assembly generates an alternating magnetic field after being electrified, the metal inner barrel is arranged in the metal inner barrel and cuts alternating magnetic lines of force, so that eddy current is generated in the metal inner barrel, atoms in the metal inner barrel collide with each other to rub to generate heat through the eddy current, namely, the electromagnetic heating coil assembly directly heats the metal inner barrel which is in contact with clothes, heat energy loss during heat transfer is reduced, and the electric energy utilization rate is improved. Meanwhile, the metal inner barrel is directly heated, so that the moisture in clothes can be quickly evaporated through the rotation of the metal inner barrel to realize drying, the washing water in the water containing barrel can be heated in the washing process, the activity of enzyme in the detergent is improved, the washing effect of the clothes is improved, the heating requirement of the metal inner barrel during drying and washing can be met, and the number of parts and the structural complexity of the washing machine are reduced.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a structural view of a conventional washing machine having a drying function;

fig. 2 is a structural diagram of the washing machine of the present invention.

Detailed Description

The utility model discloses in, the interior bucket of metal integrated into one piece is not restricted to in the metal, still including the interior bucket of other materials that have the metalwork, for example, the sheetmetal is inlayed to the inside wall of the interior bucket of plastics.

As shown in fig. 2, the utility model provides a washing machine, including casing 1, circuit board, motor 2, interior bucket, the cover locate the ladle 4 in the interior bucket outside, the bucket is rotatory in the drive is connected with the circuit board electricity to motor 2, interior bucket is interior bucket 3 in the metal, and the ladle 4 outside is equipped with the electromagnetic heating coil assembly 5 that makes interior bucket 3 in the metal produce the vortex and generate heat, and electromagnetic heating coil assembly 5 is connected with the circuit board electricity.

The electromagnetic heating coil assembly 5 generates an alternating magnetic field after being electrified, the metal inner barrel 3 is arranged in the metal inner barrel and cuts alternating magnetic lines of force, so that eddy current is generated in the metal inner barrel 3, atoms in the metal inner barrel 3 are mutually collided and rubbed by the eddy current to generate heat, namely, the electromagnetic heating coil assembly 5 directly heats the metal inner barrel 3 which is in contact with clothes, the heat loss during heat transfer is reduced, and the electric energy utilization rate and the heating effect are improved. Meanwhile, the metal inner barrel 3 is directly heated, so that the water in clothes can be quickly evaporated through the rotation of the metal inner barrel 3 to realize drying, the washing water in the water containing barrel 4 can be heated in the washing process, the activity of enzyme in the detergent is improved, the washing effect of the clothes is improved, the heating requirement of the metal inner barrel 3 during drying and washing can be met, and the number of parts and the structural complexity of the washing machine are reduced.

The electromagnetic heating coil assembly 5 is positioned below the metal inner barrel 3. When clothes are washed, washing water is always submerged in the lower end of the metal inner barrel 3 close to the electromagnetic heating coil assembly 5, the atomic motion of the lower end of the metal inner barrel 3 is relatively more violent, namely the temperature of the metal inner barrel after being heated by the electromagnetic heating coil assembly 5 is high, and the washing water is promoted to be rapidly heated. Of course, the electromagnetic heating coil assembly 5 may be disposed above, on the left, on the right, in front of, or behind the metal inner tub 3, that is, the relative positions of the metal inner tub 3 and the electromagnetic heating coil assembly 5 may be flexibly set according to the internal structure of the washing machine.

In this embodiment, the electromagnetic heating coil assembly 5 is fixed to the outer wall of the tub 4. Bucket 3 coaxial setting in bucket 4 and the metal, and bucket 4 is fixed in 1 insides of casing, and electromagnetic heating coil assembly 5 is fixed in 4 outer walls of bucket, can guarantee bucket 3 and electromagnetic heating coil assembly 5's relative position relation in the metal, and simultaneously, the general injection moulding of bucket 4 does benefit to the installation department that sets up installation electromagnetic heating coil assembly 5. Of course, the electromagnetic heating coil assembly 5 may be fixed to the inner wall of the case 1.

In the present embodiment, the electromagnetic heating coil assembly 5 includes a coil, a coil holder, and soft magnetic for energy accumulation, and the electromagnetic heating coil assembly 5 is fixed by the coil holder. The specific structures, relative positions and connection relationships of the coil, the coil support and the soft magnet of the electromagnetic heating coil assembly 5 are the prior art, and are not described in detail herein.

In view of the production cost and the service life of the washing machine, the metal inner barrel 3 is a stainless steel inner barrel 3 in the embodiment.

In this embodiment, a condensation air duct 6 having a condensing device is disposed on the top of the water tub 4, and a fan 7 is disposed at the air inlet 61 of the condensation air duct 6 to promote the high humidity air to flow to the condensing device, so as to increase the speed of air condensation inside the washing machine. In order to promote the rapid temperature rise of the low-humidity and low-heat air flowing out from the air outlet 62 of the condensation air duct 6, the electromagnetic heating coil assembly 5 may be disposed close to the air outlet 62 of the condensation air duct 6.

In this embodiment, condensing equipment is semiconductor refrigerating plant, specifically, semiconductor refrigerating plant includes the semiconductor refrigeration piece, connect respectively in the hot junction conducting block and the cold junction conducting block of semiconductor refrigeration piece both sides face, the hot junction conducting block is equipped with the hot junction heat release sheet, the cold junction conducting block is equipped with the cold junction heat sink, the humid air that flows in from air intake 61 of condensation wind channel 6 removes humidity with the contact of cold junction heat sink earlier, then carry out primary heating with the contact of hot junction heat release sheet, the low humid air that forms at last flows out from the air outlet 62 of condensation wind channel 6. It is of course possible to select a water tank for containing the condensed water, specifically, the high humidity air flowing from the air inlet 61 of the condensing air duct 6 first fully contacts with the condensed water in the water tank and dehumidifies the air, and finally the low humidity air released from the condensed water flows out from the air outlet 62 of the condensing air duct 6.

In this embodiment, instead of providing the condensing duct 6, the casing 1 may be provided with an outlet through which hot humid air flows out of the washing machine and an inlet through which atmospheric air flows into the metal inner tub 3, the fan 7 may be provided at the outlet to facilitate the discharge of the hot humid air, and the electromagnetic heating coil assembly 5 may be provided near the inlet to rapidly heat the low humid air flowing in. At this time, the high humidity air is directly discharged out of the machine body without additionally arranging the condensation air duct 6 and the condensation device, thereby simplifying the structure of the washing machine and being beneficial to reducing the overall dimension of the washing machine.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. A washing machine comprises a shell, a circuit board, a motor, an inner barrel and a water containing barrel sleeved on the outer side of the inner barrel, wherein the motor is electrically connected with the circuit board to drive the inner barrel to rotate.

2. The washing machine as claimed in claim 1, wherein the electromagnetic heating coil assembly is located below the metal inner tub.

3. The washing machine as claimed in claim 2, wherein the electromagnetic heating coil assembly is fixed to an outer wall of the tub or an inner wall of the cabinet.

4. A washing machine as claimed in claim 3 wherein the electromagnetic heating coil assembly comprises a coil, a coil support and a soft magnetic for power, the electromagnetic heating coil assembly being secured by the coil support.

5. The washing machine as claimed in claim 1, wherein the metal inner tub is a stainless steel inner tub.

6. The washing machine as claimed in any one of claims 1 to 5, wherein a condensation duct having a condensing unit is provided on a top of the tub, a fan is provided at an air inlet of the condensation duct, and the electromagnetic heating coil assembly is adjacent to an air outlet of the condensation duct.

7. A washing machine as claimed in claim 6 wherein the condensing means is a semiconductor refrigeration device or a water tank containing condensed water.

8. A washing machine as claimed in any one of claims 1 to 5 wherein the housing is provided with an outlet for the flow of hot humid air out of the washing machine, a fan being provided at the outlet and an electromagnetic heating coil assembly being adjacent the inlet.