CN1854381B

CN1854381B - Drier

Info

Publication number: CN1854381B
Application number: CN2005100662169A
Authority: CN
Inventors: 吕佩师; 张涛; 杨喆; 孙建涛
Original assignee: Haier Group Corp; Qingdao Haier Washing Machine Co Ltd
Current assignee: Haier Group Corp; Qingdao Haier Washing Machine Co Ltd
Priority date: 2005-04-25
Filing date: 2005-04-25
Publication date: 2010-04-28
Anticipated expiration: 2025-04-25
Also published as: CN1854381A

Abstract

A new type of drying machine which consists of case, metal rowing box, electric engine, controller with CPU, blower and heating system. The electric engine was fixed in the case under the metal rowing box. The fore plate module lies in the front of the case while the heating system lies in behind. The controller could dominate the engine, heating system, blower and the brush that connects to it. The drying machine collects the resistance signal by the brush without contacting with moisture. The data sampled shows high veracity and reliability. It is easy and safe to handle this machine.

Description

A kind of drier

[technical field]

The present invention relates to a kind of dryer, particularly relate to full-automatic tumble dryer.

[background technology]

Generally speaking, existing a kind of exhaust type drying machine, it removes moisture in the circulation inner air, and the moisture of removing is discharged it with gaseous form.

Usually, dryer is in use controlled heat time heating time by the break-make of the temperature controller in the machine, utilizes the air of heating that clothing is dried.

Dryer in use, cold air enters dryer by the heater strip of dryer rear side heating, enters drum then, and the air themperature in the drum is raise, with the moisture evaporation in the clothing in the drum, steam is discharged from the machine blast pipe, this process circulates repeatedly.When the approaching drying of machine intimate oven dry object, show clothing drying.

The disadvantage of this dryer is to judge accurately the humidity of clothing, the length of its drying time can not be adjusted according to the final degree of wetting of doing, in drying course, whether dryer can't judge clothing drying, dryer still remains in operation after the clothing oven dry, caused oven dry, and made clothing wrinkling, in addition burned.

Therefore, people increase humidity sensor in dryer, and it is converted into the signal of telecommunication with the humidity of clothing, realize the sensing of humidity, judge whether clothing dries.

But, existing humidity sensor reliability, accuracy, poor stability, often the signal of telecommunication with mistake is transferred to machine, cause the not dry and hard bundle of clothing, perhaps clothing is crossed the capable person end, makes clothing wrinkling, burned phenomenon occur, and owing to it often is in the hot blast drain passageway, its life-span is short, cost is high, is not suitable for actual use.

[summary of the invention]

The present invention overcomes above-mentioned shortcoming and proposes.

The object of the present invention is to provide and a kind ofly can realize dryer to the clothing Humidity Detection by brushgear, this brushgear is easy for installation, and cost is low, and the life-span is long, is fit to actual use.

Another purpose of the present invention is to utilize a plurality of contacts on the insulation paddle; at any time the humidity of clothes in the perception drum; can collect the wet information of doing of clothing more widely, more accurately; accurately the control clothing is dried degree; realize the automatic control of clothing oven dry; the user uses more convenient, and the clothing protection is more accurate.

Realize that technical scheme of the present invention is:

Dryer of the present invention comprises the controller of casing, metal drum, motor, band microprocessor (CPU), is used for the air exhausting device of exhaust, heater.

Motor is contained in the bottom of metal drum in the casing, drive metal drum and air exhausting device, board component and back plate before be equipped with both sides before and after the casing, after panel box assembly inboard is a heater, metal drum rear side has air admission hole, controller control motor, heater, air exhausting device are worked together, and exhaust apparatus is placed the bottom of metal drum lower square box.

Be provided with a plurality of insulation paddles around the described metal drum inboard, at least one insulation paddle outside is a conductor casing, and described conductor casing area is 1/3～2/3 of insulation paddle area.

The insulation of described conductor casing and metal drum, described conductor casing by lead with outside the metal drum around the metal drum and with staving between separate insulation by insulator conductor be communicated with.

Described connection can be that lead one end is connected on the insulation paddle conductor casing from insulation paddle inside, and the lead other end passes by the aperture of reserving on the metal drum, is connected on the conductor.

Header board assembly side is equipped with the case supports plate in the casing, have on the described case supports plate by the fixing brushgear of connecting of fastener with controller, described brushgear is installed in header board assembly side in the casing, in the metal drum and the conductor outside, brushgear is equipped with insulation paddle brush contact and metal drum brush contact, described insulation paddle brush contact closely contacts conducting with conductor, and described metal drum brush contact closely contacts conducting with the metal drum.

Detect humidity data by brushgear, judge whether oven dry.

Described metal drum is held by preceding board component and flange bracket horizontal equilibrium, can center on horizontal rotational shaft.

Principle of the present invention is the resistance when contacting the clothing conducting by insulation paddle brush contact respectively with metal drum brush contact, and promptly when the high humidity of clothing, its resistance value is little; When clothing humidity hour, its resistance is big.Can accurately recognize the dried wet degree change of clothing according to the variation of resistance, realize the judgement of doing wet degree clothing.

Described dryer also comprises temperature controller, and heater heats under the control of controller, disconnects the heater stop heating after temperature in the metal drum arrives the outage temperature of temperature controller; The reset temperature post heating device that drops to temperature controller when temperature begins heating again, and this process drying clothes that circulates repeatedly prevents burned clothing.

Described conductor casing and conductor can be corrosion resistant plates.

Separate insulation with PET (polyethylene terephthalate) material between described conductor casing and the metal drum.

[description of drawings]

Fig. 1 dryer schematic diagram of the present invention

Fig. 2 Fig. 1 is along the structural representation of dotted portion

Fig. 3 brushgear control circuit of the present invention block diagram

[specific embodiment]

Describe the present invention in detail below in conjunction with accompanying drawing 1-3.

The dryer of present embodiment comprises the controller of casing 1, metal drum 2, motor 3, band microprocessor (CPU), is used for the air exhausting device 5 of exhaust, heater 6.

Motor 3 is contained in the bottom of metal drum 2 in the casing 1, drive metal drum 2 and air exhausting device 5, there are preceding board component 7 and back plate 8 in both sides, casing 1 front and back, plate 8 inboards, back are heater 6 on the casing 1, metal drum 2 rear sides have air admission hole, and controller control motor 3, heater 6, air exhausting device 5 are worked together, detect humidity and temperature data by humidity sensing device, temperature controller, judge whether temperature in oven dry and the metal drum 2, the bottom that exhaust apparatus 5 is placed metal drum 2 lower square box 1.

Described metal drum 2 is held by preceding board component 7 and flange bracket 9 horizontal equilibriums, can center on horizontal rotational shaft, described metal drum is provided with a plurality of insulation paddles 10 around 2 inboards, each insulation paddle outside is one deck conductor casing 13, described conductor casing 13 areas are 1/3～2/3 of insulation paddle 10, conductor casing 13 and 2 insulation of metal drum.

Lead 12 1 ends are connected in conducting on the conductor casing 13 of insulation paddle 10 from insulation paddle 10 inside, lead 12 other ends pass by the aperture of reserving on the metal drum 2, be connected on the conductor 11, described conductor 11 around metal drum 2 outer and with metal drum 2 between separate insulation, not conducting each other by PET (polyethylene terephthalate).

Board component 7 sides are equipped with case supports plate 14 before in the casing 1, have on the described case supports plate 14 by the fixing brushgear of connecting 15 of fastener with controller, described brushgear 15 is installed in the metal drum 2 and conductor 11 outsides in the casing 1, brushgear 15 is equipped with insulation paddle brush contact 17 and metal drum brush contact 16, described insulation paddle brush contact 17 closely contacts conducting with conductor 11, and described metal drum brush contact 16 closely contacts conducting with metal drum 2.

Drying course below in conjunction with the dryer of the present invention of said structure describes:

At first, behind above-mentioned metal drum 2 inner input oven dry objects, the work of startup dryer, 3 operations of controller control motor, motor 3 drive air exhausting devices 5 pass through air in the metal drum 2 outside exhaust apparatus 5 casings 1; Simultaneously, the air heat that plate 8 is come in and entered metal drum 2 behind 6 pairs of the controller control heaters, air themperature rises in the metal drum 2, with the water evaporates on the clothing, the hot steam discharges outside the casing 1 by air exhausting device 5 again, and metal drum 2 rolls under the drive of motor 5, under the effect of insulation stirring piece 10, evenly stir clothing, the continuous drying clothing.

Air humidity is measured the resistance value of clothing by insulation paddle brush contact 17 and metal drum brush contact 16 by brushgear 15, the judgement of wet degree is done in realization to clothing, humidity in direct perception metal drum 2 clothings, be delivered to automatic control circuit in the controller by lead, the duty of control dryer

Heater 6 heats under the control of controller, disconnects after temperature in the metal drum arrives the outage temperature of temperature controller, and heater 6 stops heating; The reset temperature post heating device 6 that drops to temperature controller when temperature begins heating again, and this process drying clothes that circulates repeatedly prevents burned clothing.

When brushgear 15 detection clothings were dried to water content 5%, heater 6 switches disconnected, stop automatically, but metal drum 2, motor 3 still works on, and utilizes cold wind to make clothes after soft dry and comfortable 6-8 minute, with regard to autostop, finishes drying course.

Dryer of the present invention is by the mode of clothing humidity data sampling, the resistance of promptly utilizing insulation paddle 10 conductor casing 13 to pass through clothing between lead 12 bonding conductors 11 and the metal drum 2 realizes the judgement to clothing humidity, humidity by clothes in the direct perception metal drum 1, automatically adjust drying time, optimize drying effect, saves energy more.

Resistance signal of the present invention is taken a sample by brushgear, mounting process is good, directly do not contact with hot moisture, its cost is low, the life-span is long, and its data sampling sensing accuracy and reliability are very high, and other structure can not analogy, have also solved the shortcoming of simple humidity sensor life-span weak point, reliability, poor accuracy simultaneously, safe and reliable, easy and simple to handle.

Claims

1. dryer, comprise casing (1), metal drum (2), control motor (3), the controller (4) of band microprocessor (CPU), the air exhausting device (5) that is used for exhaust, heater (6), control motor (3) is contained in the bottom of the interior metal drum of casing (1) (2), preceding board component (7) is equipped with in casing (1) front side, it is heater (6) that casing (1) is gone up plate (8) inboard, back, controller (4), control motor (3), heater (6), air exhausting device (5) is worked together, it is characterized in that, be provided with insulation paddle (10) around described metal drum (2) is inboard, at least one insulation paddle (10) outside is conductor casing (13), the insulation of described conductor casing (13) and metal drum (2), described conductor casing (13) by lead (12) with metal drum (2) outside around metal drum (2) and with metal drum (2) between separate conductor (11) connection of insulating by insulator;

Described dryer also comprises the brushgear (15) that is connected with controller (4) that fastener is fixing, brushgear (15) is equipped with insulation paddle brush contact (17) and metal drum brush contact (16), described insulation paddle brush contact (17) closely contacts conducting with conductor (11), and described metal drum brush contact (16) closely contacts conducting with metal drum (2).

2. dryer according to claim 1 is characterized in that, is provided with a plurality of insulation paddles (10) around described metal drum (2) is inboard, and each insulation paddle (10) outside is conductor casing (13).

3. dryer according to claim 2 is characterized in that, described conductor casing (13) area is 1/3～2/3 of insulation paddle (10) area.

4. dryer according to claim 2, it is characterized in that, described lead (12) one ends are connected on insulation paddle (10) conductor casing (13) from insulation paddle (10) inside, and lead (12) other end is gone up the aperture of reserving by metal drum (2) and passed, and is connected on the conductor (11).

5. according to each described dryer of claim 1 to 3, it is characterized in that, also comprise the temperature controller that is used to limit the interior temperature of metal drum (2) that is connected with controller (4) series connection and heater (6).

6. dryer according to claim 4 is characterized in that, preceding board component (7) side is equipped with case supports plate (14) in the casing (1), has by fastener fixed brush device (15) on the described case supports plate (14).

7. dryer according to claim 4 is characterized in that, described metal drum (2) is held by preceding board component (7) and flange bracket (9) horizontal equilibrium, can center on horizontal rotational shaft.

8. dryer according to claim 4 is characterized in that, described conductor casing (13) and conductor (11) are corrosion resistant plate.

9. dryer according to claim 4 is characterized in that, described insulator is the PET material.