CN101995147A

CN101995147A - Clothes dryer

Info

Publication number: CN101995147A
Application number: CN2010102505943A
Authority: CN
Inventors: 洪大永; 韩龙云; 金成镇; 张弼洙; 金源泰; 李亨雨; 姜明顺
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2009-08-24
Filing date: 2010-08-10
Publication date: 2011-03-30
Anticipated expiration: 2030-08-10
Also published as: KR20110020430A; CN101995147B; KR101301489B1; US20110041352A1

Abstract

A clothes dryer having a preheating unit preheating drawn air is provided. The clothes dryer includes a main body, a drying tub rotatably mounted to receive an object to be dried, and a hot air duct supplying hot air into the drying tub. The hot air duct includes a heating unit heating drawn air, and a hot air supply unit connecting the heating unit with the drying tub, thereby forming a path for heated air. The heating unit includes a first heating unit having a heater part generating heat, and a second heating unit surrounding an entrance and outer walls of the first heating unit, thereby forming a path for the air flowing to the first heating unit. The second heating unit includes one or more preheating fins formed on the first heating unit to contact the air flowing in the second heating unit.

Description

Dryer

Technical field

Embodiments of the invention relate to a kind of dryer with the function of preheating.

Background technology

Dryer be a kind of with hot-air send into dry bucket and therefore oven dry be accommodated in the equipment of the article to be dried in the dry bucket.

Dryer mainly is divided into: exhaust type drying machine will be discharged into the outside of dryer by the damp-heat air of dry bucket; Condensed type drying machine, to damp-heat air dehumidifying and the air re-circulation after will dehumidify to dry barrel.

In general, dryer is having heater in the warm-air pipe of gas channel, so that produce hot-air by the air in the heat hot airduct.

According to dryer, when air contacts or pass through the heater of release heat, produce the hot-air of the warm-air pipe of flowing through with this structure.Hot air quilt is fed in the dry bucket to dry article to be dried.

Yet, just be heated because have only when air flows near heater, so most of heat that heater discharges is wasted.In addition, in order to produce the hot-air with preferred temperature, heater need maintain quite high temperature.Therefore, energy efficiency is low.

Summary of the invention

Therefore, one aspect of the present invention provide a kind of have preheat the unit to improve the dryer of energy efficiency.

Other aspect parts will be set forth in part in the following description, and part will be clear from the description maybe and can be to understand by the practice of the present invention.

Aforementioned and/or other aspects realize that by a kind of dryer is provided this dryer comprises: fuselage; Dry bucket is rotatably installed to receive article to be dried; Warm-air pipe is fed to dry bucket with hot-air.Wherein, warm-air pipe comprises: heating unit, and heating is fed to air wherein; Hot air supplying unit is connected heating unit with dry bucket, thus the passage of the air that is formed for heating.Heating unit comprises: first heating unit, have the heater block that is arranged on wherein, and be used to produce heat; Second heating unit around the inlet and the outer wall of first heating unit, thereby forms passage, so that air flows to first heating unit.

Second heating unit can comprise one or more fins that preheat, and these are one or more to preheat at least one outer wall that fin is formed on first heating unit, with contact flow air in second heating unit.These one or more fins that preheat are arranged in parallel to each other along the length direction of first heating unit.These one or more fins that preheat can tilt with respect to the length direction of first heating unit.These one or more fins that preheat can tilt about 3 °-7 ° with respect to the length direction of first heating unit.

Second heating unit can comprise that main body and flow losses reduce part, to reduce the flow losses in the air suction process, flow losses reduce part can form its diameter greater than the main body of second heating unit by the air suction diameter partly that increases by second heating unit.

Heating unit can comprise the plating steel disc.

Preheating fin can comprise and electroplate at least a in steel disc, aluminium and the copper.

These one or more fins that preheat can be with constant pitch arrangement.

Heating unit can comprise: heater plates, and cross over the inside of first heating unit and form; The nichrome silk, the release heat by being powered; Ceramic component is fixed to heater plates with the nichrome silk.

Aforementioned and/or other aspects can realize that this dryer comprises: fuselage by a kind of dryer is provided; Dry bucket is rotatably installed to receive article to be dried; Warm-air pipe is fed to dry bucket with hot-air.Wherein, warm-air pipe comprises: heating unit, and having heater block provides hot-air with the air that heating is inhaled into wherein; Hot air supplying unit is directed to dry bucket with hot-air.Heating unit comprises: main heating unit, utilize the heat of heater block to heat inhaled air; Preheat the unit, form passage and utilize the heat of main heating unit to add hot-air, passage is used to make air to flow to main heating unit.

Preheat the unit and can comprise and preheat fin, preheat the outside that fin is formed on main heating unit, preheated the unit so that the heat of main heating unit is delivered to effectively.

Aforementioned and/or other aspects can realize by a kind of dryer with warm-air pipe of supply hot-air is provided, wherein, warm-air pipe can comprise that heating is fed to the heating unit of air wherein, and heating unit can comprise: first heating unit, directly heat flow air therein; Second heating unit is arranged near first heating unit, thereby forms air duct, and this air duct guides air in the opposite direction along the side with flow air in first heating unit.Second heating unit utilizes the heat of first heating unit to heat the air that flows in first heating unit indirectly.

Second heating unit can comprise one or more fins that preheat, described one or more preheating on the outer wall that fin is formed on first heating unit with contact flow air in second heating unit.

Aforementioned and/or other aspects also can realize that this dryer comprises: fuselage by a kind of dryer is provided; Heating unit, the heating inhaled air; Hot air supplying unit is connected to the end of heating unit, thereby forms the passage of hot-air; Dry bucket is connected to hot air supplying unit and is configured to receive article to be dried; Ventilation unit makes air circulation; Blast pipe will be directed to the fuselage outside from the air that dry bucket is discharged.Wherein, heating unit comprises: first heating unit is connected to hot air supplying unit, and is equipped with the heater block that produces heat in first heating unit; Second heating unit forms air duct and air is guided to first heating unit, and in this air duct, air-flow contacts with the outer wall of first heating unit.

Second heating unit can comprise the fin that preheats on the outer wall that is formed on first heating unit, to increase the heating to flow air in second heating unit.

As mentioned above, preheat the unit that preheats of inhaled air, improve the efficient that hot-air generates according to the oven dry function of the embodiment of the invention by use.

Preheat fin by use, also can improve hot-air and produce efficient.In addition, because the air circulation structure of dryer heating unit improves, so can save the energy.

Description of drawings

By the description of embodiment being carried out below in conjunction with accompanying drawing, above-mentioned and/or other aspects of the present invention will become clear and should be readily appreciated that more, wherein:

Fig. 1 is the perspective view according to the dryer of an embodiment;

Fig. 2 is the longitudinal section of the dryer of Fig. 1;

Fig. 3 is a perspective view, shows in detail the heating unit of the dryer of Fig. 1;

Fig. 4 is the cutaway view of I-I ' the line intercepting in Fig. 3;

Fig. 5 is the cutaway view of II-II ' the line intercepting in Fig. 3;

Fig. 6 is the cutaway view of III-III ' the line intercepting in Fig. 3;

Fig. 7 is a conceptual view, shows the operating process according to the dryer of embodiment;

Fig. 8 is a longitudinal section, shows the heating unit according to the dryer of another embodiment;

Fig. 9 is the top cutaway view, shows the heating unit according to the dryer of another embodiment.

The specific embodiment

To describe embodiment in detail now, its example is shown in the drawings, and wherein, identical label is indicated components identical all the time.

Fig. 1 is the perspective view according to the dryer of an embodiment.Fig. 2 is the longitudinal section of the dryer shown in Fig. 1.

With reference to figure 1 and Fig. 2, comprise fuselage 10, be rotatably installed in dry bucket 20 in the fuselage 10, make drive units 30 that dry bucket 20 rotates and hot-air is fed to warm-air pipe 100 in the dry bucket 20 according to the dryer 1 of an embodiment.

Fuselage 10 comprises casing 11, cover the top cover 12 at casing 11 tops, be arranged in the front panel 13 and the control panel 14 of the front portion of casing 11, and control panel 14 is equipped with various action buttons and the display screen that is used to control dryer 1.

Dry bucket 20 cylindrical shapes that have in front side and rear openings, and comprise a plurality of lifters 21, lifters 21 is outstanding and be suitable for article to be dried being mentioned or falling with the form of ridge with triangular cross-sectional shape from the inner surface of drying 20.In addition, front end panel 22 and rear bearing sheet 24 are respectively fixed to the interior front and the inside back of fuselage 10, also support open front side and after-opening side rotatably with open front side and the after-opening side that covers dry bucket 20.

Enter that opening 19a penetrates the front side of fuselage 10 and front end panel 22 forms.Article to be dried are placed into drying bucket 20 neutralizations taking-up from dry bucket 20 by entering opening 19a.Open and enter opening 19a and close the front portion that the door 19 that enters opening 19a is connected to fuselage 10.

Drive unit 30 comprises the drive motors 31 that is installed in bottom in the casing 11, and the pulley 32 and the rotating band 33 that the transmission of power of drive motors 31 are arrived dry bucket 20.Rotating band 33 is wrapped on the outer surface and pulley 32 (being connected to the axle of drive motors 31) of dry bucket 20.

Warm-air pipe 100 comprises heating unit 200 and hot air supplying unit 40, and heating unit 200 heating are fed to its air, and hot air supplying unit 40 is connected to dry bucket 20 with heating unit 200.

The below that heating unit 200 is arranged in dry bucket 20 enters with the guiding extraneous air and adds hot-air.For this reason, heating unit 200 comprises the heater block 280 of release heat in the heating unit 200.After a while heating unit 200 will be described more specifically.

Hot air supplying unit 40 sucks part 24a with heating unit 200 with dry bucket and is connected, thereby forms air duct, and dry bucket sucks the top that part 24a is formed on rear bearing sheet 24.In addition, hot air supplying unit 40 is towards the air of dry bucket 20 guiding heating.

Blast pipe 50 is connected to the preceding bottom of dry bucket 20, is introduced into the discharging of the air in the dry bucket 20 with guiding.Blast pipe 50 is divided into: front exhaust pipe 51 is connected the exhaust outlet 22b that is arranged in the bottom of front end panel 22 with the inlet of the ventilation unit 60 that is arranged in dry bucket 20 belows; Final vacuum pipe 53 is formed on the bottom of casing 11, so that the outlet of ventilation unit 60 is communicated with the outer rear portion of casing 11 glibly.

Filter element 55 is installed to front exhaust pipe 51 with the filtering foreign matter, for example dust and the velveteen that is comprised from the hot-air that dry bucket 20 is discharged.

Ventilation unit 60 makes air circulation, and comprises draft fan 61 and ventilated box 63.Draft fan 61 is installed in the preceding bottom of dry bucket 20.Ventilated box 63 is formed around draft fan 61 and is connected to front exhaust pipe 51 and final vacuum pipe 53.

Fig. 3 is the detailed perspective view of the heating unit of dryer.Fig. 4 is the cutaway view of I-I ' the line intercepting in Fig. 3, and Fig. 5 is the cutaway view of II-II ' the line intercepting in Fig. 3, and Fig. 6 is the cutaway view of III-III ' the line intercepting in Fig. 3.

As shown in Fig. 3 to Fig. 6, heating unit 200 comprises: first heating unit 210 is furnished with heater block 280 in first heating unit 210; Second heating unit 230 has main body, and second heating unit 230 centers on the inlet 212a of first heating unit 210 and goes up outer wall 211a and following outer wall 211b.

First heating unit 210 has rectangular cross sectional shape basically and is constructed to make air to flow therein.

First heating unit 210 comprises heater block 280, and heater block 280 is used for release heat in first heating unit 210.Second heating unit 230 comprises one or more fins 250 that preheat, and these one or more fins 250 that preheat are formed on outer wall 211a and the following outer wall 211b, to transmit heat by contacting with flow air in second heating unit 230.

Heater block 280 comprises: heater plates 282, and the inside of crossing over first heating unit 210 forms; Nichrome silk 284, the release heat by being supplied to electrical power; Ceramic component 286 is fixed to heater plates 282 with nichrome silk 284.

Nichrome silk 284 is fixed to heater plates 282 by the ceramic component 286 that can bear high temperature for media.In this case, can prevent that heater plates 282 from being damaged by the high temperature of nichrome silk 284.

According to exemplary embodiment, the heater plates 282 and first heating unit 210 are made by same material.

Preheat fin 250 heat of first heating unit 210 is delivered to flow air in second heating unit 230.For this purpose, can on outer wall 211a on first heating unit 210 and following outer wall 211b, form a plurality of fins 250 that preheat.

Preheating fin 250 becomes along the length direction of first heating unit 210 to be parallel to each other with constant pitch arrangement.Such structure is intended to improve and enters the heat transference efficiency in second heating unit 230 and reduce air drag.In addition, can form near dry bucket 20 arrange preheat fin 250a and since with the position relation of dry bucket 20, preheating fin 250a, to preheat fin 250 than other little.

Second heating unit 230 has the outward appearance bigger than first heating unit 210, so that around inlet 212a and the outer wall 211a and the 211b of first heating unit 210.Therefore, formation is as the space S of the air duct between first heating unit 210 and second heating unit 230.

That is to say that second heating unit 230 is arranged near first heating units 210, therefore forms air duct, air flows towards the opposite direction that air flows through the direction of first heating unit 210 in this air duct.

According to said structure, be conducted through the inlet 231a of second heating unit 230 from the outside inhaled air of fuselage 10, internal space S by second heating unit 230, guide to the inlet 212a of first heating unit 210, pass through first heating unit 210 then, thereby be heated to form hot-air.

First heating unit 210 with heater block 280 of heating unit 200 is as the main heating unit that directly adds hot-air.On the other hand, the unit that preheats that has air that second heating unit 230 that preheats fin 250 also do not heat by main heating unit as heating.

Heating unit 200 comprises the plating steel disc, and this is because electroplate steel disc not expensive, processing and durable easily.

Preheating unit 250 can comprise and electroplate at least a in steel disc, aluminium and the copper.

Although owing to the low reason of cost is electroplated steel disc usually as the material that preheats fin 250, compare with electroplating steel disc, aluminium has higher pyroconductivity, yet aluminium is more expensive.Compare with aluminium, copper has higher pyroconductivity, and copper is more expensive.

Hereinafter, with the operation of description according to the dryer 1 of the embodiment of Fig. 1.

Fig. 7 is a conceptual view, shows the operating process of dryer 1.

With reference to figure 7, when the user puts into the button of dry bucket 20 and operation control panel 14 with article C to be dried, draft fan 61 rotation and heater block 280 release heat of ventilation unit 60.

Along with the rotation of draft fan 61, the pressure in the dry bucket 20 reduces.Therefore, fuselage 10 air outside are inhaled in second heating unit 230 of heating unit 200 by the hole 11a that is formed on casing 11 rear surfaces.

Air by second heating unit 230 inlet 231a and flow into the inner space of second heating unit 230.At this, owing to first heating unit 210 is heated by the heat of heater parts 280, so the air of the heat of the outer wall 211a of

first heating unit

210 and 211b heating in second heating unit 230.

In addition, the heat of first heating unit 210 also is passed to and preheats fin 250, thereby heats the air in second heating unit 230.Preheat fin 250 and can have plate-like form with release heat effectively, and can be arranged in air-flow midway to add hot-air effectively.

That is to say second heating unit 230 and preheat fin 250 and add hot-air indirectly.

Pre-warmed air by first heating unit 210 inlet 212a and flow in first heating unit 210.At this moment, heater block 280 directly heats flow air in first heating unit 210.

Because air is preheated fully, thus the time that heater block 280 directly heats will significantly reduce.Therefore, can produce hot-air at short notice with desired temperatures.

In addition, the consumption that offers the power of heater block 280 reduces, and therefore saves the energy.

The hot-air that produces by heating unit 200 passes through hot air supplying unit 40 and is supplied to dry bucket 20.When drive motors 31 made dry barrel 20 rotation, therefore the article C to be dried lifting repeatedly in the dry bucket 20 was dried by the hot-air that contacts supply.

Humid air in the dry bucket 20 is discharged into outside the fuselage 10 by front exhaust pipe 51 and final vacuum pipe 53.Because continued operation ventilation unit 60 in this operating process so extraneous air is inhaled into and repeats said process again, therefore continues drying operation.

Hereinafter, another embodiment will be described with reference to the drawings.The 26S Proteasome Structure and Function identical with previous embodiment will no longer be described.

Fig. 8 is a longitudinal section, shows the heating unit according to the dryer of another embodiment.

As shown in Figure 8, heating unit 300 has identical structure substantially with the heating unit 200 of previous embodiment, but heating unit 300 also comprises windage loss and reduces unit 335 that windage loss reduces the loss that unit 335 is suitable for reducing to be inhaled into the air in second heating unit 330.

Windage loss reduces unit 335 and is configured out by the air suction part that enlarges second heating unit 330, so that reduce flow losses in the air suction process.Specifically, suck the expansion of part along with air, air suction at second heating unit 330 partly and between first heating unit 310 forms predetermined spacing, so that air can be drawn in second heating unit 330 naturally, and can not cause flow losses.

Other features and the previous embodiments of present embodiment.

Hereinafter will describe heating unit, omit the description of the 26S Proteasome Structure and Function identical with previous embodiment according to another embodiment.

Fig. 9 is the top cutaway view, shows the heating unit according to another embodiment.

With reference to figure 9, except the structure that preheats fin 450, heating unit 400 has identical structure substantially with the heating unit 200 of previous embodiment.

Preheating fin 450 tilts predetermined angle x ° with respect to the length direction of first heating unit 410.

According to this structure, the gas channel of flow air is extended in second heating unit 430, has therefore increased the time of contact that preheats between the fin 450 and first heating unit 410.As a result, improved and preheated efficient.

Example shows, preheating fin 450 is 3 °-7 ° with respect to angle of inclination x ° of the length direction of first heating unit 410, and this is because when angle x ° when excessive, gas-flow resistance increases, so the air flow efficiency reduction.

Though shown and described some embodiments of the present invention, but those skilled in the art will be appreciated that, under the situation of principle that does not break away from the embodiment that limits its scope by claim and equivalent thereof and spirit, can change these embodiments.

Claims

1. dryer comprises:

Fuselage;

Dry bucket is rotatably installed to receive article to be dried;

Warm-air pipe is fed to dry bucket with hot-air;

Wherein, warm-air pipe comprises heating unit and hot air supplying unit, described heating unit heating inhaled air, and described hot air supplying unit is connected heating unit with dry bucket, thus the passage of the air that is formed for heating,

Described heating unit comprises: first heating unit, have heater block, and described heater block is arranged in first heating unit to produce heat; Second heating unit around the inlet and the outer wall of first heating unit, thereby forms passage, so that air flow to first heating unit.

2. dryer according to claim 1, wherein, second heating unit comprises and preheats fin, preheats at least one outer wall that fin is formed on first heating unit, with contact flow air in second heating unit.

3. dryer according to claim 2, the described fin that preheats comprises a plurality of fins that preheat, wherein, these preheat fin and arrange in parallel to each other along the length direction of first heating unit.

4. dryer according to claim 2, the described fin that preheats comprises a plurality of fins that preheat, wherein, these preheat the length direction inclination of fin with respect to first heating unit.

5. dryer according to claim 4 wherein, describedly a plurality ofly preheats one or more in the fin and preheats fin and tilt 3 °-7 ° with respect to the length direction of first heating unit.

6. dryer according to claim 1, wherein, second heating unit comprises that main body and flow losses reduce part, reducing the flow losses in the air suction process,

Flow losses reduce part and comprise that air sucks part, and described air sucks the big diameter of diameter that partly has than the fuselage of second heating unit.

7. dryer according to claim 1, wherein, described heating unit also comprises the plating steel disc.

8. dryer according to claim 2, wherein, the described fin that preheats comprises and electroplates at least a in steel disc, aluminium and the copper.

9. dryer according to claim 2, wherein, the described fin that preheats is with constant pitch arrangement.

10. dryer according to claim 1, wherein, described heating unit comprises: heater plates, the inside of crossing over first heating unit forms; The nichrome silk, the release heat by being powered; Ceramic component is fixed to heater plates with the nichrome silk.