CN208414916U - A kind of washing machine drying air duct detection device - Google Patents
A kind of washing machine drying air duct detection device Download PDFInfo
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- CN208414916U CN208414916U CN201821040800.6U CN201821040800U CN208414916U CN 208414916 U CN208414916 U CN 208414916U CN 201821040800 U CN201821040800 U CN 201821040800U CN 208414916 U CN208414916 U CN 208414916U
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- drying
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- air duct
- blower
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Abstract
The utility model belongs to washing machine technology field, discloses a kind of washing machine drying air duct detection device；Its system includes: drying wind inlet channel 1, dries exhaust air flue 2, dries blower 3, water inlet pipe 4, electric heating tube 5, thermistor 6, wind pressure sensor 8, unit logic control element.The utility model carries out detection and self-cleaning in batting object existing after repeated drying clothing for drying wind inlet channel, unit drying water inlet guard system is utilized, stopping state judgement is carried out by the decaying of the drying fan pressure of detection unit and the variation of drying leaving air temp, and carries out self-cleaning.
Description
Technical field
The utility model belongs to washing machine technology field, and in particular to a kind of detection dress in the drying air duct for air-conditioning
It sets.
Background technique
A dry body washer is washed because clothing can directly can be dried in washing, drying clothing, eliminates the step to give the clothes an airing
Suddenly, deep to be liked by most of families, the drying integral machine course of work is as follows.For clothes after drying, program will start drying system.
Blower work is dried, the air outside washing machine drum is pumped into drying wind inlet channel, configured with electricity in drying exhaust air flue
Heating or heat pump heating device will be dried the air that blower is sent and heated, be then blown into laundry by drying ducting outlet
In machine cylinder, hot-air seasoning is carried out to clothes.Air after the complete clothes of heating, drying can be oven-dried again blower from drying air duct into
Air port sucking, is continuously worked with this and carries out drying clothing.
Since the hot-air after drying clothes contains a large amount of moisture, when drying system acts on, use in washing machine
A small gangs of tap water can be introduced come the water inlet pipe before washing, while low temperature tap water is past dirty in drying air duct, so that damp
Because the condensation of cooling water becomes drying, temperature reduces wet drying return air.Final flowing water can flow to outside washing machine drum
Inlet be discharged from washing machine.
Although drying system can realize the lasting Hot-blast Heating to clothing, achieve the effect that finally to dry clothing with this,
Be due to drying hot air circulation during be easy to the batting of clothing being brought into wind inlet channel, can be oven-dried blower suction
Attached or blocking wind inlet channel, final the result is that drying air quantity can gradually decay with batting increase, drying blower also can be because
Electrical machinery life is caused to reduce for batting blocking.Some producers can be configured with filter screen structure in drying wind inlet channel, stop to dry
Dry batting enters air duct, if but batting gradually increase, can not effective cleaning can make fan delivery decaying it is more severe.
Utility model content
In view of the deficiencies of the prior art, the utility model is by providing a kind of washing machine drying air duct detection device, to wash
Clothing machine, which dries air duct jam detection and provides equipment from clear program, to be supported, and does hardware preparation for the acquisition of its data.
Detection and self-cleaning are carried out in batting object existing after repeated drying clothing mainly for drying wind inlet channel,
Air duct detection device is dried using the washing machine of the utility model, passes through the decaying and drying of the drying fan pressure of detection unit
The variation of leaving air temp carries out stopping state judgement.
Technical solution used by the utility model specifically includes: drying wind inlet channel 1 dries exhaust air flue 2, dries wind
Machine 3, water inlet pipe 4, electric heater 5, thermistor 6 and wind pressure sensor 7.Wherein, drying wind inlet channel 1 is the pipe of inner hollow
Road, one end are air inlet, other end connection drying blower 3, the other end connection drying exhaust air flue 2 of drying blower 3；It dries out
Wind air duct 2 is inner hollow pipeline, and one end is air outlet；Water inlet pipe 4 is connect with drying blower 3, and electric heater 5 is set to baking
The inside of dry exhaust air flue 2, electric heater 5 are used to heat the air in drying exhaust air flue 2.Water inlet pipe 4 is by intaking
Tube valve control drenches the flabellum into drying blower 3, can will dry the temperature in air duct reduces for introducing tap water.
Beneficial effect
The utility model provides hardware supported effectively to avoid clothing batting from blocking drying integral machine drying air duct, can avoid
The problem of drying service life of fan to shorten, drying air quantity decaying.
Detailed description of the invention
Fig. 1 is the structure chart of the drying ducting system of the utility model.
Fig. 2 is the Self-cleaning system flow chart of the utility model.
Wherein in Fig. 1: 1 drying wind inlet channel, 2 drying exhaust air flues, 3 drying blowers, 4 water inlet pipes, 5 electric heaters, 6
Thermistor, 7 wind pressure sensors.
A in Fig. 2: when washing machine initial stage puts into, drying blower works normally wind pressure B: the normal work after operation cleaning procedure
Make wind pressure, wherein 95%A≤B≤A t: the drying air duct leaving air temp T: unit detected after unit operation cleaning procedure is default
Cleaning after, drying blower work normally leaving air temp
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
A kind of washing machine involved by the utility model dries air duct detection device, as shown in Figure 1, specifically including: dry into
Exhaust air flue 2 is dried in wind air duct 1, dries blower 3, water inlet pipe 4, electric heater 5, thermistor 6 and wind pressure sensor 7.Its
In, drying wind inlet channel 1 is the pipeline of inner hollow, and one end is air inlet, and other end connection drying blower 3 dries blower 3
Other end connection drying exhaust air flue 2；Drying exhaust air flue 2 is inner hollow pipeline, and one end is air outlet；Water inlet pipe 4 and baking
Dry-air blast machine 3 connects, and electric heater 5 is set to the inside of drying exhaust air flue 2, and electric heater 5 is used for in drying exhaust air flue 2
Air heated.Water inlet pipe 4 is controlled by water inlet valve, for introducing tap water, drenches the flabellum into drying blower 3, can
The temperature in air duct, which will be dried, to be reduced.
Preferably, the drying air duct detection device, further includes thermistor 6, is set to the inside of drying exhaust air flue 2
And setting and 5 front end of electric heating tube, thermistor 6 dry 2 Inside Air Temperature of exhaust air flue for detecting.
Preferably, the drying air duct detection device, further includes wind pressure sensor 7, is set to drying 2 outlet air of exhaust air flue
Mouthful, for detecting the wind pressure of its air outlet.
The method for judging whether clothing batting blocks drying air duct is:
Step 1: normally executing drying procedure, outlet air wind pressure A when working normally is detected, as real-time outlet air wind pressure >=A
When (the outlet air wind pressure of normal work), dry at this time in air duct and clog-free.
When coming into operation at washing machine initial stage, drying procedure is normally being executed, unit logic control element is passed by wind pressure
Sensor 7 detects that outlet air wind pressure is denoted as A when working normally.After washing machine has run multiple periods, user runs drying procedure
When, using the outlet air wind pressure of the detection of wind pressure sensor 7 of drying 2 air outlet front end of exhaust air flue at this time is arranged in, when outlet air wind
When pressure >=normal work outlet air wind pressure A, it was demonstrated that dry have no blocking inside air duct at this time, operate normally drying procedure.
Step 2: when detecting, when the outlet air wind pressure A that outlet air wind pressure < is worked normally, recording 1 time, i.e. N=N+1, logic
It is continuous to determine that there are still outlet air wind pressure < 3 times back to the decision procedure (i.e. wind pressure >=A decision block in Fig. 2) of outlet air wind pressure
When the outlet air wind pressure A of normal work, then it is judged to drying air duct and there is blocking.
Step 3: having executed this drying procedure
System can still execute this drying procedure that user has turned at this time, just will do it clearly after having executed drying procedure
Washing procedure.
Step 4: executing self-cleaning program；
The inlet valve of unit logic control element control water inlet pipe 4 opens to the maximum amplitude, has big stock tap water leaching at this time
Enter to dry the flabellum of blower 3, and enter drying wind inlet channel 1 and be rinsed, water flow carries over drying wind inlet channel 1 and flows out.It rinses
After preset time unit logic control element can be again turned on electric heater and drying blower, detection cleaning after leaving air temp with
Wind pressure attenuation, when normal work wind pressure B after the cleaning of outlet air wind pressure >=operation (when washing machine initial stage comes into operation, just
Measured wind pressure of work is denoted as B when often executing cleaning procedure, and the leaving air temp that drying blower works normally is denoted as T), and i.e.
When leaving air temp t≤normal working temperature T for detecting, that is, think that drying air duct has cleaned up.
In view of factors, the normal work wind pressure B after cleaning such as the long-term running normal blower decaying of washing machine generally compare
Normal work wind pressure A when washing machine initial stage comes into operation is smaller, when B meets: 95%A≤B≤A, i.e., it is believed that cleaning up.
Leaving air temp t illustrates that drying air channel volume at this time is larger lower than normal working temperature T, and wind velocity is higher out, and it is dry to meet cleaning
Net status criteria.
Step 5: judging whether there is exception
After executing the step 4 self-cleaning program, when detecting leaving air temp and wind pressure is unsatisfactory for the shape worked normally
When state, system will do it the self-cleaning (i.e. self-cleaning 3 times) in three periods, in order to prevent from only carrying out 1 cleaning frequency
Do not ensure that and centainly clean up), after carrying out 3 cleaning frequencies, if system still detects improper work shape
State, it can think not being simple cotton-wool blocking in air duct at this time, it is likely that since there are failures for blower itself, draw
Play air quantity decaying.
It is still unsatisfactory for normal operating conditions after the cleaning in system three periods of progress, that is, B < 95%A after cleaning；Or t >
The phenomenon that T, then unit logic control element thinks cleaning, drying air duct and can not eliminate air quantity decaying at this time, it is possible to dry wind
Machine itself is out of order, and unit logic control element can carry out user reminding at display board: " drying fan trouble ".But not
It forces to carry out washing machine shutdown or does not execute drying procedure, user can only be reminded.User's selection is checked or is refused
Comprehend, continue to use drying procedure, only meeting drying effect can give a discount, washing machine operational reliability itself does not have big influence.
It should be noted that drying fan pressure is acquired by wind pressure sensor 7；Drying leaving air temp is by thermistor 6
Acquisition；Clothes drying is to dry wind inlet channel 1 by drying blower 3, electric heater 5, dries exhaust air flue 2, dries blower 3, into
Water pipe 4 is completed；The utility model protection be these hardware devices, and between connection relationship.Whether clothing batting blocks
The decision logic in drying air duct is not the utility model content to be protected, and the utility model is that air duct blocking is dried for washing machine
Detection and the certainly clear equipment that provides are supported, and provide hardware for the acquisition of its data.
The preferable specific embodiment of the above, only the utility model, but it is to be understood that, these are specific real
Mode is applied only and be the illustrative explanations to the application, any restrictions is not constituted to the protection scope of the application.The utility model
Protection scope be not limited thereto, the technical scope that anyone skilled in the art discloses in the utility model
Interior, technical solution according to the present utility model and its design are subject to equivalent substitution or change, should all cover in the utility model
Within protection scope.
Claims (3)
1. a kind of washing machine dries air duct detection device characterized by comprising exhaust air flue is dried in drying wind inlet channel (1)
(2), blower (3) are dried, water inlet pipe (4), electric heater (5)；Wherein, drying wind inlet channel (1) be inner hollow pipeline, one
End is air inlet, other end connection drying blower (3), other end connection drying exhaust air flue (2) of drying blower (3)；Drying
Exhaust air flue (2) is inner hollow pipeline, and one end is air outlet；Water inlet pipe (4) is connect with drying blower (3), electric heater (5)
It is set to the inside of drying exhaust air flue (2), electric heater (5) is used to heat the air in drying exhaust air flue (2)；
Water inlet pipe (4) is controlled by water inlet valve, for introducing tap water, is drenched the flabellum into drying blower (3), can will be dried in air duct
Temperature reduce.
2. a kind of washing machine according to claim 1 dries air duct detection device, which is characterized in that further include thermistor
(6), it is set to the inside of drying exhaust air flue (2) and setting and electric heater (5) front end, thermistor (6) is used to detect
Dry exhaust air flue (2) Inside Air Temperature.
3. a kind of washing machine according to claim 1 dries air duct detection device, which is characterized in that further include wind pressure sensing
Device (7) is set to drying exhaust air flue (2) air outlet, for detecting the wind pressure of its air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821040800.6U CN208414916U (en) | 2018-07-03 | 2018-07-03 | A kind of washing machine drying air duct detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821040800.6U CN208414916U (en) | 2018-07-03 | 2018-07-03 | A kind of washing machine drying air duct detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208414916U true CN208414916U (en) | 2019-01-22 |
Family
ID=65108117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821040800.6U Active CN208414916U (en) | 2018-07-03 | 2018-07-03 | A kind of washing machine drying air duct detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438781A (en) * | 2019-09-09 | 2019-11-12 | 珠海格力电器股份有限公司 | Dry air duct, clothes treatment device and the clean method for drying air duct |
| CN112301696A (en) * | 2019-07-26 | 2021-02-02 | 博西华电器（江苏）有限公司 | Clothes drying equipment, lint detection method for clothes drying equipment and readable storage medium |
| CN114622380A (en) * | 2020-12-11 | 2022-06-14 | 广州视源电子科技股份有限公司 | Detection method and device for drying fan and storage medium |
-
2018
- 2018-07-03 CN CN201821040800.6U patent/CN208414916U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112301696A (en) * | 2019-07-26 | 2021-02-02 | 博西华电器（江苏）有限公司 | Clothes drying equipment, lint detection method for clothes drying equipment and readable storage medium |
| CN110438781A (en) * | 2019-09-09 | 2019-11-12 | 珠海格力电器股份有限公司 | Dry air duct, clothes treatment device and the clean method for drying air duct |
| WO2021047220A1 (en) * | 2019-09-09 | 2021-03-18 | 珠海格力电器股份有限公司 | Drying air duct, garment processing device, and method for cleaning drying air duct |
| JP2022539682A (en) * | 2019-09-09 | 2022-09-13 | グリー エレクトリック アプライアンシーズ インク オブ ズーハイ | Dry air duct, clothes processing device and method for cleaning dry air duct |
| JP7340629B2 (en) | 2019-09-09 | 2023-09-07 | グリー エレクトリック アプライアンシーズ インク オブ ズーハイ | Drying air duct, clothes processing equipment and drying air duct cleaning method |
| CN110438781B (en) * | 2019-09-09 | 2023-10-27 | 珠海格力电器股份有限公司 | Drying air duct, clothes treatment equipment and cleaning method of drying air duct |
| CN114622380A (en) * | 2020-12-11 | 2022-06-14 | 广州视源电子科技股份有限公司 | Detection method and device for drying fan and storage medium |
| CN114622380B (en) * | 2020-12-11 | 2024-03-26 | 广州视源电子科技股份有限公司 | Method and device for detecting drying fan and storage medium |
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