CN101929060B - A kind of method of intelligently prompting trash line clearup for clothes dryer and dryer - Google Patents

Abstract

The invention relates to a method for intelligently reminding lint cleaning of a clothes dryer. When the temperature difference ΔT is greater than the set value ΔT0, the computer program controller will perform timing calculations. If the duration is longer than the set time t0, the alarm program will be run, and the computer program controller will send a signal to the prompt device, and the alarm will ask the user to clean up the lint in time. In the clothes dryer using this method, temperature sensors I and II are installed at both ends of the lint filter, and the signals of the temperature sensors are sent to a computer program controller, which calculates the temperature difference and sends instructions to the prompting device. By adopting the above-mentioned technical solution, the cleaning of lint is more humanized, the safety of the product is improved, the drying efficiency is improved, and energy is saved.

Description

Method for intelligently reminding lint cleaning of clothes dryer and clothes dryer

technical field

The invention relates to a method for intelligently reminding lint cleaning of a clothes dryer, in particular to a method capable of automatically detecting lint clogging at a lint filter of a clothes dryer and prompting for lint cleaning in a timely manner, and using the method method of clothes dryer.

Background technique

Existing clothes dryers are equipped with a lint collection device in the air duct. If the lint is not cleaned for a long time, the air duct will be blocked, the drying speed will be reduced, and energy will be wasted. In severe cases, the machine will even be damaged. Users, especially new users, often forget to clean the lint filter when using the dryer, so this happens frequently, and it is necessary to add a corresponding reminder function on the dryer.

To solve this problem, a lint removal reminder function is used in the clothes dryer. Such as the prior patent application 200610167751.8, the name is the prompting method for cleaning lint of washing machines and clothes dryers and the warning device for implementing the method. A warning device for cleaning lint is provided on the panel of the clothes dryer, which is carried out through the computer board. Control, the power-in warning device on the computer board is powered on to remind the user to clean up the wire scraps. After pressing start, the warning device is powered off, and after the program ends, the warning device is powered on again to remind the user to clean up the wire scraps. Although this method adds the reminder function of lint cleaning, it will buzz and flash every time before drying and after drying. This reminder function is not intelligent. Start or end to remind the user to clean up the lint; in addition, especially when the lint is seriously clogging the filter during the operation of the dryer, the device cannot judge and send a reminder to clean the lint in time. There are certain security risks.

Contents of the invention

The present invention solves the above-mentioned problems based on the defects in the above-mentioned prior art. The present invention provides an intelligent prompting method for clogging of the lint filter and a clothes dryer.

The object of the present invention is that the clothes dryer automatically detects the clogging of the lint filter at the lint filter, and prompts for cleaning the lint in time.

In order to realize the object of the present invention, the present invention adopts following technical scheme:

A method for intelligently reminding a clothes dryer to clean up lint, comprising the following steps:

A. Drying operation;

B. The temperature sensor collects the temperature T1 at the air inlet end of the lint filter and the temperature T2 at the air outlet end;

C. The computer program controller calculates the temperature difference between the two ends of the lint filter, if the temperature difference ΔT is greater than the set value ΔT0, execute step D, if not, execute step A;

D. Computer program controller timing calculation, if the duration is greater than the set time t0, execute step E, if not, execute step A;

E. Run the alarm program, the computer program controller sends a signal to the prompt device, please clean up the thread scraps for the alarm.

Further, the method for intelligently reminding the dryer of lint cleaning also includes a lint cleaning inspection program. If yes, perform step A, and if not, perform step E. The lint cleaning inspection program includes the following steps: F, drying The door of the clothes machine is opened or the power is cut off for more than 1 minute; G. The installation switch of the lint filter is disassembled.

The dryer intelligently reminds the method of lint cleaning. The temperature difference setting value is further divided into two levels: ΔT1 and ΔT2. The alarm program is designed to prompt according to the level of lint blockage. It is recommended to clear the lint dust alarm prompt, and the dryer runs normally; when ΔT>ΔT2, an alarm prompt that the lint dust must be cleaned is issued, and the dryer stops drying.

The set value range of the temperature difference ΔT0 is 5°C-8°C.

The range of the duration setting value is 6min-10min.

The temperature difference setting value ΔT1 is 3°C, and ΔT2 is 6°C.

A method for intelligently reminding a clothes dryer to clean up lint, comprising the following steps:

A. Drying operation;

B. The wind speed sensor collects the wind speed V1 at the air inlet end of the lint filter and the wind speed V2 at the air outlet end;

C. The computer program controller calculates the wind speed difference at both ends of the lint filter, if the wind speed difference is greater than the set value ΔV0, execute step D, if not, execute step A;

D. Computer program controller timing calculation, if the duration is greater than the set time t0, execute step E, if not, execute step A;

E. The computer program controller sends a signal to the prompt device, and the alarm should be cleaned up;

The clothes dryer intelligently reminds the method of cleaning lint, the wind speed difference setting range is 2m/s-4m/s, and the duration setting value range is 6min-10min.

A clothes dryer that intelligently reminds lint cleaning, which includes a casing, a cylinder for containing clothes, a heating device, and a lint filter installed in the air duct. Temperature sensors I and II are installed at both ends of the lint filter , the temperature sensor signal is transmitted to the computer program controller, and the computer program controller calculates the temperature difference and sends instructions to the prompting device.

The prompting device is an indicator light display reminding thread cleaning, or a voice prompting thread cleaning.

The temperature sensor I is installed in the barrel or in the air duct at the air inlet end of the lint filter, and the temperature sensor II is installed in the air duct at the air outlet end of the lint filter.

A clothes dryer that intelligently reminds the cleaning of lint, including a casing, a cylinder for containing clothes, a heating device, and a lint filter installed in the air duct, and wind speed sensors I and II are installed at both ends of the lint filter , the wind speed sensor signal is transmitted to the computer program controller, and the computer program controller calculates the wind speed difference and sends instructions to the prompting device.

The prompting device is an indicator light display reminding thread cleaning, or a voice prompting thread cleaning.

By adopting the above-mentioned technical solution, the present invention realizes the smart reminder of the lint cleaning of the clothes dryer, and only sends a cleaning reminder when the lint filter is clogged and needs to be cleaned, and does not give a reminder when cleaning is not required. Moreover, through the analysis of the blockage situation, the cleaning reminders are carried out in different levels. If it is severely blocked, the machine must be cleaned of lint before it can continue to run. If it is slightly blocked, it will continue to run without cleaning, but it will continue to require cleaning of lint in the next operation. Drying efficiency, saving energy.

Description of drawings

Fig. 1 is a working flow chart of intelligently reminding the lint cleaning of the clothes dryer according to the present invention;

Fig. 2 is a schematic diagram showing the installation of a temperature sensor in the clothes dryer embodiment of the present invention.

Labels in the figure: 1. Temperature sensor I, 2. Temperature sensor II, 3. Lint filter, 4. Air duct

detailed description

The method for intelligently reminding the lint cleaning provided by the clothes dryer and the clothes dryer using the method provided by the present invention will be described in detail below with reference to the accompanying drawings.

The structural principle block diagram of the present invention is shown in Figure 2. The temperature sensor II is placed at the rear end of the lint filter 3 in the air duct 4, that is, the air inlet end, and the temperature sensor I is placed at the front end of the lint filter filter in the air duct or in the drying cylinder, that is, the air outlet end. The direction of the arrow in the figure is the direction of wind speed and flow . In this way, when the lint filter is not clogged, the ventilation is good, and the temperature measured by the temperature sensor I and the temperature sensor II is not much different, but when the lint filter is clogged, there is almost no ventilation, and the temperature sensor I and the temperature sensor The temperature difference measured by II gradually increases from small to small, and finally the temperature difference will be greater than a specific value ΔT0. For example, when the measured temperature difference ΔT is greater than 6°C within 10 minutes, the dryer will automatically judge that the lint filter needs to be cleaned, and the computer program controller will send a signal to the indicator device on the panel of the dryer, through voice or indicator light The flashing mode reminds the user to clean up the lint in time to avoid the safety failure of the dryer due to the clogging of the lint.

In the structural principle block diagram of the present invention, the temperature sensor can be replaced by a wind speed sensor, and the wind speed is measured by the wind speed sensors at both ends of the lint filter, and the wind speed difference is calculated to determine whether the lint blocks the filter. The structure of this embodiment is similar to that of Fig. 1, and the illustration is omitted.

The flowchart of the method of the present invention is shown in FIG. 1 . The method for intelligently reminding the clothes dryer to clean up lint includes the following steps:

A. The clothes dryer is powered on and starts to dry;

B. The temperature sensors installed at the front and rear ends of the lint filter collect the temperature, the temperature T1 at the air inlet end and the temperature T2 at the air outlet end, and send them to the computer program controller;

C. The computer program controller calculates the temperature difference ΔT at both ends of the lint filter. The range of ΔT is 5°C-8°C greater than the set value, preferably 6°C. If the temperature difference ΔT is greater than the set value 6°C, execute step D. If No, go to step A;

D. Computer program controller timing calculation, if the temperature difference ΔT is greater than 6°C and the duration is greater than the set time 6min-10min, preferably 6min, execute step E, if not, execute step A;

E. Run the alarm program, the computer program controller sends a signal to the prompt device, please clean up the thread scraps for the alarm.

In this preferred embodiment, the clothes dryer intelligently reminds the method of lint cleaning, and also includes a lint cleaning inspection program. If yes, perform step A, and if not, perform step E. The lint cleaning inspection program includes the following Steps: F. The door of the clothes dryer is opened or the power is cut off for more than 1 minute; G. The installation switch of the lint filter has a disassembly action, that is, there is a switch at the bottom of the lint filter, and it will move when it is installed in place.

In order to further realize humanized reminders, the temperature difference described in the method of intelligently reminding lint cleaning of the clothes dryer can be further divided into two levels of ΔT1 and ΔT2. When ΔT1<ΔT≤ΔT2, an alarm prompt suggesting to clean up lint will be issued, and the dryer will run normally; when ΔT>ΔT2, an alarm prompt will be issued to clean up lint, and the dryer will stop drying. Preferably, the temperature difference setting value ΔT1 is 3°C, and ΔT2 is 6°C.

In the working flow chart of the present invention, the temperature sensor can be replaced by a wind speed sensor, the wind speed is measured by the wind speed sensors at both ends of the lint filter, and the wind speed difference is calculated to determine whether the lint blocks the filter. The structure of this embodiment is similar to that of Fig. 2, and the illustration is omitted. When the wind speed difference between the two ends of the lint filter is greater than 2m/s, the dryer will send out an alarm to remind the user to clean the lint filter in time.

To sum up, by adopting the above-mentioned technical solution, the present invention realizes the intelligent reminder of the clothes dryer to clean up the lint. After applying the present invention on the clothes dryer, it can timely remind and help the user to develop dry clothes through voice reminders or flashing lights. Good habits of clothes machine maintenance, this habit directly prolongs the service life of the clothes dryer, improves the drying performance of the clothes dryer, and saves energy.

The technology described in the present invention is applicable to any type of fully automatic clothes dryer, and can also be applied to a washing and drying machine with a drying function.

Of course, the present invention is not limited to the above-mentioned examples. The technical solutions that are obvious to those skilled in the art can make various modifications and changes to the present invention without departing from the spirit or scope of the present invention. The present invention covers such modifications and changes within the scope of equivalent replacements.

Claims (6)

1. the method for an intelligently prompting trash line clearup for clothes dryer, it is characterised in that comprise the steps:

A, drying run；

B, temperature sensor gather temperature T1 of lint filter air inlet end, temperature T2 of air opening end；

C, computer program controller calculate the temperature difference at lint filter two ends, if temperature difference △ T is more than setting value △ T0, perform D step, if it is not, perform step A, described temperature difference △ T0 range of set value is 5 DEG C-8 DEG C；

Wherein, described temperature difference setting value is divided into △ T1, △ T2 two-stage, and alert program is designed as by line bits stopping state classification prompting, as △ T1 < △ T≤△ T2, sends suggestion cleaning line bits alarm, and dryer is properly functioning；As △ T > △ T2, sending and must clear up line bits alarm, dryer stops drying work；

D, computer program controller timing computing, if the persistent period, more than setting time t0, performs E step, if it is not, perform step A, described persistent period t0 range of set value is 6min-10min；

E, operation alert program, computer program controller sends a signal to suggestion device, and warning please clear up line bits；

The method of intelligently prompting trash line clearup for clothes dryer also includes that trash line clearup checks program, if so, performs step A, if it is not, perform E step, described trash line clearup checks that program comprises the steps: that F, dryer open the door or power-off time was more than 1 minute；G, lint filter install switch dismounting action.

The method of intelligently prompting trash line clearup for clothes dryer the most according to claim 1, it is characterised in that described temperature difference setting value △ T1 is 3 DEG C, △ T2 is 6 DEG C.

3. the method for an intelligently prompting trash line clearup for clothes dryer, it is characterised in that comprise the steps:

A, drying run；

B, air velocity transducer gather the wind speed V1 of lint filter air inlet end, the wind speed V2 of air opening end；

The wind speed that C, computer program controller calculate lint filter two ends is poor, if wind speed difference is more than setting value △ V0, performs D step, if it is not, perform step A, described wind speed difference △ V0 range of set value is 2m/s-4m/s；

D, computer program controller timing computing, if the persistent period more than setting time t0, then performs E step, if it is not, perform step A, described persistent period setting value t0 scope is 6min-10min；

E, computer program controller send a signal to suggestion device, and warning please clear up line bits；

The method of intelligently prompting trash line clearup for clothes dryer also includes that trash line clearup checks program, if so, performs step A, if it is not, perform E step, described trash line clearup checks that program comprises the steps: that F, dryer open the door or power-off time was more than 1 minute；G, lint filter install switch dismounting action.

4. a dryer, it is characterised in that the method using intelligently prompting trash line clearup as claimed in claim 1.

Dryer the most according to claim 4, it is characterized in that, described suggestion device is the display lamp of display alarm trash line clearup, or it is the device of voice reminder trash line clearup, described temperature sensor includes temperature sensor I and temperature sensor II, wherein temperature sensor I is arranged in cylinder or in the air channel of lint filter air inlet end, temperature sensor II is arranged in the air channel of lint filter air opening end.

6. a dryer, it is characterised in that the method using intelligently prompting trash line clearup as claimed in claim 3.