CN211713460U - Drum-type microwave heating dryer - Google Patents

Abstract

The utility model discloses a drum-type microwave heating drying-machine, including quick-witted case, inner tube and controller, the rear end of machine case is equipped with the motor of being connected with the inner tube, quick-witted incasement level is equipped with the baffle, the top of baffle is the drying area, and the below of baffle is the negative pressure zone, in the drying area was located to the inner tube, evenly be equipped with the vapor discharge hole on the lateral wall of inner tube, the outside cover of inner tube has the urceolus, forms the wind channel between urceolus and the inner tube, is equipped with magnetron, air intake and air outlet on the lateral wall of urceolus, magnetron is connected with the controller electricity, and magnetron and air intake all are located the drying area, be equipped with the fresh air inlet with the drying area intercommunication on the lateral wall of machine case, air outlet and negative pressure zone intercommunication. The microwave heating device has the advantages that the microwave heating device directly acts on water molecules in the linen, and improves heating efficiency and shortens drying time through a heating mode from inside to outside of the linen.

Description

A drum type microwave heating dryer

technical field

The utility model relates to the technical field of industrial washing, in particular to a drum type microwave heating dryer.

Background technique

A linen dryer is a type of washing machine that is generally used to remove moisture from clothing and other textiles after washing with water. Most laundry dryers include a rotating drum with a belt-driven inner drum around which hot air is used to evaporate moisture. The clothes drying drum adopts the principle of forward and reverse rotation of the drum to achieve the effect of non-entanglement of clothes drying items.

At present, industrial clothes dryers are widely used in hotels, hotels, hospitals, coal mines, railways and other fields of large-scale linen washing. At present, the heating methods of dryers are divided into three types, namely steam heating, gas heating, and electric heating. The principle is that the cold air is heated into hot air by the heating device, and the linen is dried by the hot air.

The problems and disadvantages of the existing heating methods: (1) the heating speed is slow, and the cold air needs to be preheated before drying the linen, which belongs to indirect heating drying; (2) the drying efficiency is low, and it is necessary to first The inner cylinder and air bath parts of the dryer are preheated, which will lose some heat; (3) The drying time is long, and the traditional dryer needs to heat the air first, and then dry the linen from the outside to the inside; (4) Affected by the environment, the air in winter is colder, and the drying speed is much lower than that in summer.

Utility model content

The utility model aims at the above-mentioned deficiencies of the prior art, and provides a drum type microwave heating dryer, which utilizes the characteristics of microwave heating polar molecules to directly act on the water molecules in the linen without preheating the dryer. The inner cylinder and the air bath part are directly heated, and the heating efficiency is improved and the drying time is shortened by heating the linen from the inside to the outside.

To achieve the above object, the utility model provides the following technical solutions:

A drum type microwave heating dryer includes a case, an inner cylinder and a controller, the rear end of the case is provided with a motor connected to the inner cylinder, a baffle is horizontally arranged in the casing, and the upper part of the baffle is It is a drying area, the lower part of the partition is a negative pressure area, the inner cylinder is set in the drying area, the side wall of the inner cylinder is evenly provided with water vapor discharge holes, the outer side of the inner cylinder is covered with an outer cylinder, and the outer cylinder is An air duct is formed between the inner cylinder and the outer cylinder. The side wall of the outer cylinder is provided with a magnetron, an air inlet and an air outlet. The magnetron is electrically connected to the controller, and the magnetron and the air inlet are located in the drying area. The side wall of the case is provided with an air inlet hole that communicates with the drying area, the air outlet is communicated with the negative pressure area, and the negative pressure area is provided with a fan for exhausting air to the outside of the case.

Preferably, the air outlet is provided with a first filter screen.

Preferably, a second filter screen is provided at the air inlet of the fan.

Preferably, two sides of the air outlet are provided with baffles sealingly connected to the partition.

Preferably, the distance between the inner cylinder and the outer cylinder is 20mm-40mm.

Preferably, the model of the magnetron is 1050W2M248J, the wavelength of microwaves generated by the magnetron is 12.24mm-33mm, and the diameter of the water vapor discharge hole is 6mm-12mm.

Preferably, the controller is a GW420 microcontroller.

Preferably, the outer cylinder includes a connecting plate and an arc-shaped plate, the number of the arc-shaped plates is two, one end of the arc-shaped plate is provided with a reinforcing plate, and the other end of the arc-shaped plate is provided with a deflector, two The arc-shaped plates are arranged oppositely, the two reinforcing plates are connected by a connecting plate, and the two guide plates are arranged in parallel.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model directly acts on the water molecules in the linen by adopting microwave heating, and utilizes the characteristics of microwave heating of polar molecules, and because water is a polar molecule, its microwave coefficient is large, and it can absorb microwave power well. , the moisture in the linen evaporates a lot due to the absorption of microwaves, and the heating speed is fast; it is not necessary to preheat the inner cylinder and air bath part of the dryer to directly heat, and it also avoids the heat dissipation problem of the conventional heating method. The drying efficiency is improved, the drying time is shortened, and the heat directly acts on the linen through the microwave, which reduces the influence of the ambient temperature.

2. The utility model is provided with a first filter screen and a second filter screen, on the one hand, it can prevent the fluff on the linen from entering the air and protect the environment, and on the other hand, it can collect the fluff to facilitate cleaning and prevent the fluff from affecting the service life of the equipment.

3. The outer cylinder of the utility model adopts a split structure, which greatly strengthens the strength of the outer cylinder, makes the outer cylinder not easily deformed, improves the service life, and is more reliable in use.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the internal structure schematic diagram of the utility model;

Fig. 3 is the left side view of the utility model after removing the chassis;

Fig. 4 is the structural schematic diagram one of the outer cylinder;

FIG. 5 is a second schematic view of the structure of the outer cylinder.

In the figure: 1-chassis; 101-air inlet; 102-negative pressure area; 103-partition; 104-drying area; 2-controller; 3-inner cylinder; 4-outer cylinder; 401-air outlet; 402-air inlet; 403-deflector; 404-connecting plate; 405-strengthening plate; 406-arc plate; 5-first filter; 6-fan; 601-second filter; 7-magnetron .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example one,

As shown in Figure 1-3, a drum type microwave heating dryer includes a cabinet 1, an inner cylinder 3 and a controller 2. The inner side wall of the cabinet 1 is provided with a thermal insulation layer, and the cabinet 1 is horizontally provided with a partition plate 103, the partition plate 103 is sealed with the inner wall of the cabinet 1, the upper part of the partition plate 103 is the drying area 104, the lower part of the partition plate 103 is the negative pressure area 102, the inner cylinder 3 is arranged in the drying area 104, the rear end of the cabinet 1 A motor is provided to drive the inner cylinder 3 to rotate. The side wall of the inner cylinder 3 is evenly provided with water vapor discharge holes. The side wall of the cylinder 4 is provided with a magnetron 7, an air inlet 402 and an air outlet 401. The magnetron 7 is electrically connected to the controller 2. The magnetron 7 and the air inlet 402 are both located in the drying area 104. The side wall is provided with an air inlet 101 that communicates with the drying area 104, and the air outlet 401 is communicated with the negative pressure area 102. The negative pressure area 102 is provided with a fan 6 for exhausting air to the outside of the chassis 1, which is generated by the magnetron 7. The heat is introduced into the inner cylinder 3 through microwaves to heat and dry the linen, and the generated water vapor enters between the inner cylinder 3 and the outer cylinder 4 through the water vapor discharge hole. Enter the drying area 104, and then flow into the air duct between the inner cylinder 3 and the outer cylinder 4 through the air inlet 402, and the water vapor discharged from the inner cylinder 3 is brought into the fan 6 from the air outlet, and finally discharged to the outside of the case 1 .

In order to prevent the fluff falling from the linen from entering the air, a first filter screen 5 is provided at the air outlet 401 , and a second filter screen 601 is provided at the air inlet 402 of the fan 6 in order to prevent the fluff from damaging the fan 6 .

In order to improve the smoothness of the air outlet, two sides of the air outlet 401 are provided with guide plates 403 which are sealed with the partition plate 103. As shown in FIG. 4, in this embodiment, the outer cylinder 4 is formed by rolling a thin metal plate. Both ends are bent to form a deflector 403 .

The specific parameters are: the distance between the inner cylinder 3 and the outer cylinder 4 is 20mm-40mm, which is 30mm in this embodiment, the model of the magnetron 7 is 1050W2M248J, and the wavelength of the microwave generated by the magnetron 7 is 12.24mm-33mm , this embodiment is 12.24mm, the diameter of the water vapor discharge hole is 6mm-12mm, the controller 2 is a GW420 single-chip microcomputer, through setting the program to set the time, control the forward and reverse rotation of the machine and other actions, this is conventional techniques.

Example two,

The outer cylinder 4 is a thin metal plate. In order to improve the strength and prevent deformation, in this embodiment, the outer cylinder 4 is separated and then assembled, specifically:

As shown in FIG. 5 , the outer cylinder 4 includes a connecting plate 404 and an arc-shaped plate 406. The number of arc-shaped plates 406 is two. One end of the arc-shaped plate 406 is provided with a reinforcing plate 405, and the other end of the arc-shaped plate 406 is provided with a reinforcing plate 405. The deflector 403, the arc plate 406, the reinforcing plate 405, and the deflector 403 are integrated into one structure, and the reinforcing plate 405 and the deflector 403 are formed by bending both ends of the arc plate 406, and two arc plates 406 Relatively arranged, the two reinforcing plates 405 are connected by bolts through the connecting plate 404, which is convenient for disassembly and assembly.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (8)

1. The utility model provides a drum-type microwave heating drying-machine, includes quick-witted case, inner tube and controller, the rear end of machine case is equipped with the motor of being connected with the inner tube, its characterized in that: the improved air conditioner is characterized in that a partition board is horizontally arranged in the case, a drying area is arranged above the partition board, a negative pressure area is arranged below the partition board, the inner cylinder is arranged in the drying area, water vapor discharge holes are uniformly formed in the side wall of the inner cylinder, the outer side of the inner cylinder is sleeved with the outer cylinder, an air channel is formed between the outer cylinder and the inner cylinder, a magnetron, an air inlet and an air outlet are formed in the side wall of the outer cylinder, the magnetron is electrically connected with the controller, the magnetron and the air inlet are both located in the drying area, an air inlet hole communicated with the drying area is formed in the side wall of the case, the air outlet is.

2. A drum type microwave heating dryer as claimed in claim 1, wherein: and a first filter screen is arranged at the air outlet.

3. A drum type microwave heating dryer as claimed in claim 1, wherein: and a second filter screen is arranged at the air inlet of the fan.

4. A drum type microwave heating dryer as claimed in claim 1, wherein: and guide plates which are hermetically connected with the partition plates are arranged on two sides of the air outlet.

5. A drum type microwave heating dryer as claimed in claim 1, wherein: the distance between the inner cylinder and the outer cylinder is 20mm-40 mm.

6. A drum type microwave heating dryer as claimed in claim 1, wherein: the model of the magnetron is 1050W2M248J, the wavelength of the microwave generated by the magnetron is 12.24mm-33mm, and the diameter of the water vapor discharge hole is 6mm-12 mm.

7. A drum type microwave heating dryer as claimed in claim 1, wherein: the controller is a GW420 single chip microcomputer.

8. A drum type microwave heating dryer as claimed in claim 1, wherein: the urceolus includes connecting plate and arc, the quantity of arc is two, and the one end of arc is equipped with the reinforcing plate, and the other end of arc is equipped with the guide plate, and two arcs set up relatively, connect through the connecting plate between two reinforcing plates, two guide plate parallel arrangement.

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