CN109778512A - Filtering mesh detection circuit in a kind of dryer - Google Patents

Filtering mesh detection circuit in a kind of dryer Download PDF

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Publication number
CN109778512A
CN109778512A CN201910089026.0A CN201910089026A CN109778512A CN 109778512 A CN109778512 A CN 109778512A CN 201910089026 A CN201910089026 A CN 201910089026A CN 109778512 A CN109778512 A CN 109778512A
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China
Prior art keywords
module
dryer
resistance
infrared
filtering mesh
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CN201910089026.0A
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CN109778512B (en
Inventor
徐鹏
蔡莹
陈振刚
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Zhongke Core Integrated Circuit Co Ltd
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Zhongke Core Integrated Circuit Co Ltd
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Abstract

The present invention discloses filtering mesh detection circuit in a kind of dryer, belongs to technical field of circuit design.Filtering mesh detection circuit includes infrared detection module, fingerprint identification module, air themperature detection module, MCU module, LED alarm module and power conversion module in the dryer.The infrared detection module, fingerprint identification module is used to detect the stopping state of filter screen;The air themperature detection module is for capturing real time temperature information;The MCU module handles the detection signal of infrared detection module, fingerprint identification module and air themperature detection module;The LED alarm module makes different lamp effects according to processing result, to serve as warning;External voltage is converted to the operating voltage of filtering mesh detection circuit in dryer by the power conversion module.Filtering mesh detection circuit can quickly detect whether filter screen of dryer has expired in the dryer, and real-time capture temperature change, remind user by LED alarm module, easy to be accurate, and cost is relatively low.

Description

Filtering mesh detection circuit in a kind of dryer
Technical field
The present invention relates to technical field of circuit design, in particular to filtering mesh detection circuit in a kind of dryer.
Background technique
Dryer is the cleaning class household electrical appliance for making the instant evaporation drying of moisture in washed clothing using Electric heating. With the raising of present people's quality of the life, dryer comes into people's lives more and more.
The control circuit of dryer is fairly simple currently on the market, a mechanical timer is typically just provided, by user It the sets itself dryer working time, then ends automatically.This simple dryer circuit intelligently realizes that simple timing is dry Clothing function, can not detect place clothing number and internal temperature situation, it is even more impossible to realize human-computer interaction function, there are certain Drawback.
Summary of the invention
The purpose of the present invention is to provide filtering mesh detection circuits in a kind of dryer, to solve asking in background technique Topic.
In order to solve the above technical problems, the present invention provides filtering mesh detection circuit in a kind of dryer, comprising:
Infrared detection module, fingerprint identification module detects the stopping state of filter screen;
Air themperature detection module captures real time temperature information;
MCU module handles the detection signal of the infrared detection module, fingerprint identification module and the air themperature detection module;
LED alarm module is made different lamps according to the processing result of the MCU module and is imitated;
Power conversion module is the infrared detection module, fingerprint identification module, the air themperature detection module, the MCU module and the LED Alarm module power supply.
Optionally, filtering mesh detection circuit further includes one-chip computer module in the dryer, by the infrared detection module, fingerprint identification module Digital signal is converted to the analog signal of the air themperature detection module, and is transmitted to the MCU module.
Optionally, the infrared detection module, fingerprint identification module includes resistance R11 ~ R13, infrared-emitting diode D11, two pole of infrared receiver Pipe D12 and capacitor C11;Wherein,
One end of resistance R11 is connected and is grounded with infrared-emitting diode D11, another termination power conversion module;Resistance One end of R12 is connected and is grounded with infrared receiving diode D12, another termination power conversion module;Resistance R13 connects in institute It states between resistance R12 and the infrared receiving diode D12;Capacitor C11 is connected in parallel on the infrared receiving diode D12.
Optionally, the air themperature detection module includes thermistor RT, resistance R21, resistance R22 and capacitor C21;Its In,
A termination power conversion module of the thermistor RT, the other end are grounded by resistance R22;The one of resistance R21 It terminates between the thermistor RT and the resistance R22, the other end is grounded by capacitor C21.
Optionally, the LED alarm module includes resistance R41, R42, infrared-emitting diode D41 and triode Q1;Its In,
The resistance R41 connects with the infrared-emitting diode D41 and is connected to the collector of the triode Q1;The resistance R42 is connected with the base stage of the triode Q1;The emitter of the triode Q1 is grounded.
Optionally, the different lamps effects of the LED alarm module include breathing, are always on and flicker effect.
Optionally, external voltage is converted to the work of filtering mesh detection circuit in the dryer by the power conversion module Make voltage.
Filtering mesh detection circuit in a kind of dryer, including infrared detection module, fingerprint identification module, air themperature are provided in the present invention Detection module, MCU module, LED alarm module and power conversion module.Specifically, the infrared detection module, fingerprint identification module was for detecting The stopping state of strainer converts different stopping states to different voltage;The air themperature detection module is for capturing Real time temperature information switchs to different voltages according to the difference of temperature;The MCU module is to the infrared detection module, fingerprint identification module and the sky The detection signal of gas temperature detecting module is handled;The LED alarm module is made according to the processing result of the MCU module Different lamp effect, to serve as warning;External voltage is converted to filter screen in the dryer and examined by the power conversion module The operating voltage of slowdown monitoring circuit is the infrared detection module, fingerprint identification module, the air themperature detection module, the MCU module and the LED Alarm module power supply.It can quickly detect whether filter screen of dryer has expired, and real-time capture temperature change, be warned by LED Module reminds user, easy to be accurate, and cost is relatively low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filtering mesh detection circuit in dryer provided by the invention;
Fig. 2 is the electrical block diagram of infrared detection module, fingerprint identification module;
Fig. 3 is the electrical block diagram of air themperature detection module;
Fig. 4 is the electrical block diagram of LED alarm module.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to filtering mesh detection circuit in a kind of dryer proposed by the present invention make into One step is described in detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that Attached drawing is all made of very simplified form and using non-accurate ratio, only to convenient, lucidly aid illustration is of the invention The purpose of embodiment.
Embodiment one
The present invention provides filtering mesh detection circuit in a kind of dryer, structure is as shown in Figure 1.Filter screen in the dryer Detection circuit includes infrared detection module, fingerprint identification module 1, air themperature detection module 2, MCU module 3, LED alarm module 4 and power supply modulus of conversion Block 5.Specifically, the infrared detection module, fingerprint identification module 1 is used to detect the stopping state of filter screen, convert different stopping states to not Same voltage;The air themperature detection module 2 switchs to different electricity according to the difference of temperature for capturing real time temperature information Pressure;The MCU module 3 handles the detection signal of the infrared detection module, fingerprint identification module 1 and the air themperature detection module 2; The LED alarm module 4 makes different lamp effects according to the processing result of the MCU module 3, to serve as warning;The electricity External voltage is converted to the operating voltage of filtering mesh detection circuit in the dryer by source conversion module 5, is the infrared inspection Survey module 1, the air themperature detection module 2, the MCU module 3 and the LED alarm module 4 power supply.
Specifically, filtering mesh detection circuit further includes one-chip computer module (not shown) in the dryer, being used for will The infrared detection module, fingerprint identification module 1 and the analog signal of the air themperature detection module 2 are converted to digital signal, and are transmitted to described MCU module 3 is handled convenient for 3 analysis of MCU module.
Referring to Fig. 2, being the electrical block diagram of the infrared detection module, fingerprint identification module 1.The infrared detection module, fingerprint identification module 1 includes electricity Hinder R11, R12 and R13, infrared-emitting diode D11, infrared receiving diode D12 and capacitor C11;Wherein, the resistance R11 One end be connected and be grounded with the infrared-emitting diode D11, another termination power conversion module 5;The resistance R12 One end be connected and be grounded with the infrared receiving diode D12, another termination power conversion module 5;The resistance R13 It connects between the resistance R12 and the infrared receiving diode D12;The capacitor C11 is connected in parallel on two pole of infrared receiver On pipe D12.
It is illustrated in figure 3 the structural schematic diagram of the air themperature detection module 2, breathing is can be realized, is always on and flashes Etc. different equivalents.The air themperature detection module 2 includes thermistor RT, resistance R21, resistance R22 and capacitor C21;Wherein, A termination power conversion module 5 of the thermistor RT, the other end are grounded by the resistance R22;The resistance R21 An end Jie described between thermistor RT and the resistance R22, the other end pass through the capacitor C21 be grounded.
The structure of the LED alarm module 4 is as shown in figure 4, include resistance R41, R42, infrared-emitting diode D41 and three Pole pipe Q1;Wherein, the resistance R41 connects with the infrared-emitting diode D41 and is connected to the collector of the triode Q1; The resistance R42 is connected with the base stage of the triode Q1;The emitter of the triode Q1 is grounded.
Filtering mesh detection circuit can quickly detect whether filter screen of dryer has expired in dryer of the invention, and in real time Temperature change is captured, user is reminded by LED alarm module, it is easy to be accurate, and cost is relatively low.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims Range.

Claims (7)

1. filtering mesh detection circuit in a kind of dryer characterized by comprising
Infrared detection module, fingerprint identification module (1), detects the stopping state of filter screen;
Air themperature detection module (2) captures real time temperature information;
MCU module (3), at the detection signal of the infrared detection module, fingerprint identification module (1) and the air themperature detection module (2) Reason;
LED alarm module (4) is made different lamps according to the processing result of the MCU module (3) and is imitated;
Power conversion module (5) is the infrared detection module, fingerprint identification module (1), the air themperature detection module (2), the MCU module (3) it powers with the LED alarm module (4).
2. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that filter screen is examined in the dryer Slowdown monitoring circuit further includes one-chip computer module, and the simulation of the infrared detection module, fingerprint identification module (1) and the air themperature detection module (2) is believed Number digital signal is converted to, and is transmitted to the MCU module (3).
3. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that the infrared detection module, fingerprint identification module (1) Including resistance R11 ~ R13, infrared-emitting diode D11, infrared receiving diode D12 and capacitor C11;Wherein,
One end of resistance R11 is connected and is grounded with infrared-emitting diode D11, another termination power conversion module (5);Electricity One end of resistance R12 is connected and is grounded with infrared receiving diode D12, another termination power conversion module (5);Resistance R13 It connects between the resistance R12 and the infrared receiving diode D12;Capacitor C11 is connected in parallel on the infrared receiving diode D12 On.
4. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that the air themperature detection module It (2) include thermistor RT, resistance R21, resistance R22 and capacitor C21;Wherein,
A termination power conversion module (5) of the thermistor RT, the other end is grounded by resistance R22;Resistance R21's Between thermistor RT described in one end Jie and the resistance R22, the other end is grounded by capacitor C21.
5. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that LED alarm module (4) packet Include resistance R41, R42, infrared-emitting diode D41 and triode Q1;Wherein,
The resistance R41 connects with the infrared-emitting diode D41 and is connected to the collector of the triode Q1;The resistance R42 is connected with the base stage of the triode Q1;The emitter of the triode Q1 is grounded.
6. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that the LED alarm module (4) Different lamp effects include breathing, are always on and flicker effect.
7. filtering mesh detection circuit in dryer as described in claim 1, which is characterized in that the power conversion module (5) External voltage is converted to the operating voltage of filtering mesh detection circuit in the dryer.
CN201910089026.0A 2019-01-30 2019-01-30 Filter screen detection circuit in clothes dryer Active CN109778512B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910089026.0A CN109778512B (en) 2019-01-30 2019-01-30 Filter screen detection circuit in clothes dryer

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Application Number Priority Date Filing Date Title
CN201910089026.0A CN109778512B (en) 2019-01-30 2019-01-30 Filter screen detection circuit in clothes dryer

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CN109778512A true CN109778512A (en) 2019-05-21
CN109778512B CN109778512B (en) 2022-03-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112981862A (en) * 2021-03-09 2021-06-18 海信(山东)冰箱有限公司 Clothes care equipment monitoring method and device, storage medium and clothes care equipment

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1124802A (en) * 1994-10-14 1996-06-19 东芝株式会社 Clothes dryor
CN101392448A (en) * 2007-09-18 2009-03-25 博西华电器(江苏)有限公司 Cloth drying device
CN102154805A (en) * 2011-03-11 2011-08-17 海尔集团公司 Clothes dryer air duct jam judging method and clothes dryer
CN103046298A (en) * 2011-10-13 2013-04-17 Lg电子株式会社 Laundry machine and controlling method thereof
US20140366397A1 (en) * 2013-06-18 2014-12-18 Samsung Electronics Co., Ltd. Clothes dryer
CN205186664U (en) * 2015-09-30 2016-04-27 河南中烟工业有限责任公司 Detect cigarette packagine machine export blocking phenomenon's device
CN108806230A (en) * 2018-05-30 2018-11-13 苏州树云网络科技有限公司 A kind of intelligent communication harvester based on infrared identification

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1124802A (en) * 1994-10-14 1996-06-19 东芝株式会社 Clothes dryor
CN101392448A (en) * 2007-09-18 2009-03-25 博西华电器(江苏)有限公司 Cloth drying device
CN102154805A (en) * 2011-03-11 2011-08-17 海尔集团公司 Clothes dryer air duct jam judging method and clothes dryer
CN103046298A (en) * 2011-10-13 2013-04-17 Lg电子株式会社 Laundry machine and controlling method thereof
US20140366397A1 (en) * 2013-06-18 2014-12-18 Samsung Electronics Co., Ltd. Clothes dryer
CN205186664U (en) * 2015-09-30 2016-04-27 河南中烟工业有限责任公司 Detect cigarette packagine machine export blocking phenomenon's device
CN108806230A (en) * 2018-05-30 2018-11-13 苏州树云网络科技有限公司 A kind of intelligent communication harvester based on infrared identification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112981862A (en) * 2021-03-09 2021-06-18 海信(山东)冰箱有限公司 Clothes care equipment monitoring method and device, storage medium and clothes care equipment
CN112981862B (en) * 2021-03-09 2022-11-22 海信冰箱有限公司 Clothes care equipment monitoring method and device, storage medium and clothes care equipment

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