CN1712628A - Drier with transmission belt fracture detection and its control - Google Patents
Drier with transmission belt fracture detection and its control Download PDFInfo
- Publication number
- CN1712628A CN1712628A CN 200410019553 CN200410019553A CN1712628A CN 1712628 A CN1712628 A CN 1712628A CN 200410019553 CN200410019553 CN 200410019553 CN 200410019553 A CN200410019553 A CN 200410019553A CN 1712628 A CN1712628 A CN 1712628A
- Authority
- CN
- China
- Prior art keywords
- driving belt
- detection portion
- dryer
- humidity detection
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Washing Machine And Dryer (AREA)
- Drying Of Solid Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention opened a drier and its operation method which can detect the cracking of the belt. The drier include: the detection part of the humidity; the detection part of the impulse; the microprocessor and the drive part. The microprocessor can detect that the belt is work well when the impulse detection is receiving the HF/LF signal but it is cracking when the impulse detection receive the HF signal.
Description
Technical field
The present invention relates to a kind of dryer that possesses driving belt breaking state measuring ability with and control method, the especially number of times that contacts with Humidity Detection portion by washings, according to pulse correspondingly, the fracture of judging driving belt is whether.
Background technology
Usually, cloth drying machine is the equipment that the wet wash after the washing is dried.The demand of cloth drying machine enlarges just day by day recently.
As shown in Figure 1, in the common dryer, cylinder 2 rotatably is set in shell 1 inside.Be provided with input port 3 in the front of shell 1, can in cylinder 2, drop into clothing.Door 4 is set on input port 3, can opens and closes input port 3.
Top in shell 1 is provided with motor 5.During dryer work, the power of motor 5 is transferred on the cylinder 2 by driving belt 6.The internal face of cylinder 2 is provided with several blades 7, is used to stir clothing during cylinder 2 rotations.
In addition, connect with circulating line 8 between the back side of cylinder 2 and the input port 3, circulating line 8 is used for hydronic air.On the certain position of circulating line 8, the fan 9 that is provided for heater for heating air 11 and is used to circulate and adds hot-air.Fan 9 receives the power of motor 5 usually by driving belt 10, be rotated.
Common dryer with said structure, its action is as follows:
The user opens door 4, and the clothing that needs are dried is put in the cylinder 2, closes door 4 then, starts dryer.At this moment, motor 5 carries out work, allows cylinder 2 rotate.After clothing in the cylinder 2 is scrolled up by the blade 7 of cylinder 2 internal faces, fall under gravity into the bottom, stirred mutually.
The power of motor 5 also is transferred on the fan 9, allows air circulation in circulating line 8.The air that circulates is heated by heater 11.The hot gas that is fed to cylinder 2 can allow the water evaporates of clothings in the cylinder 2.By the said process drying clothes.
Air circulates, and when clothing was dried, fan 9 carried out work always.Therefore extraneous air can flow in the circulating line 8 by outer gas supply line 12.
Proceed circulation after air in the circulation and extraneous air mix, and air is when circulating line 8 flows, condensation can take place in airborne moisture.Condensed water is arranged to the dryer outside by drainage pipeline 13.
That is, motor shaft 5 is connected by mechanical structure with switch (figure slightly).At this moment, washing machine operate as normal under the state of switch connection, and driving belt is when being ruptured, switch can be disconnected by mechanical structure, allows motor and heater quit work.
If there are not driving belt 10 break detector apparatus, when then driving belt 10 was by fracture, heater 11 can continue heating.At this moment the clothing of same position is heated to form the condition of high temperature, the problem that can cause the clothing in the cylinder 2 to be burnt out.Switch (figure slightly) therefore is installed, and whether the fracture that detects driving belt is necessary.
But the structure of above-mentioned switch is the mechanical detection structure.Not only price is high, and might produce problems such as fault, generation noise and shortening operating period under the influence of wearing and tearing and foreign matter.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of dryer that possesses driving belt breaking state measuring ability with and control method, utilize the contact of washings and Humidity Detection portion or Humidity Detection portion produces when separating pulse, whether the fracture of judgement driving belt, and control the work of motor and heater according to above-mentioned judgement.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of dryer that possesses driving belt breaking state measuring ability, described dryer possesses driving belt, motor and heater, also comprises the Humidity Detection portion that whether exports different mutually voltage values by the contact of washings in the cylinder; Detect the pulse detection portion of pulse according to the voltage value of Humidity Detection portion output; The fracture of judging driving belt according to the pulse of pulse detection portion output whether, the microprocessor of output control signal corresponding; Drive division according to microprocessor control signal control motor and heater.
When pulse detection portion received the high-frequency/low-frequency signal repeatedly, microprocessor judges was the state that driving belt is in normal connection.
When pulse detection portion received high-frequency signal continuously, microprocessor judges was that driving belt is in breaking state.
A kind of dryer control method that possesses driving belt breaking state measuring ability, described dryer comprises Humidity Detection portion, driving belt, motor and heater, the dryer control method comprised with the next stage: the user connects power supply, carries out the stage of drying stroke after the input service order; Testing result by Humidity Detection portion in drying stroke is judged the stage whether driving belt ruptures; Whether control the stage of motor and heater according to the fracture of driving belt.
The stage whether described judgement driving belt ruptures comprises: the testing result of Humidity Detection portion is that the high-frequency/low-frequency signal is when occurring repeatedly, be judged as driving belt and be in stage of normal connection status:, be judged as the stage that driving belt is in breaking state if when the testing result of Humidity Detection portion high-frequency signal occurs continuously.
The invention has the beneficial effects as follows:
The 1st, the pulse that Humidity Detection portion produces in the time of can passing through interior washings contact of cylinder or separation, whether the fracture of detection driving belt to be.
The 2nd, can not adopt the parts such as switch under the conventional art, therefore can reduce cost.
The 3rd, different with the conventional art that detects by mechanical structure, adopt the Humidity Detection loop.Can prevent to produce fault and produce noise, and can improve service life.
Description of drawings
Fig. 1 is the dryer side view under the conventional art.
Fig. 2 is the dryer control assembly graph of a relation with driving belt breaking state measuring ability of the present invention.
Fig. 3 a, 3b are pulse detection portion among the present invention, according to the waveform schematic diagram of the testing result output of the Humidity Detection portion output of Fig. 2.
Fig. 4 is the dryer control method flow chart with driving belt breaking state measuring ability of the present invention.
Among the figure, 100: power supply unit; 200: Humidity Detection portion; 300: the voltage level transformation component; 400: pulse detection portion; 500: microprocessor; 600: drive division; 700: motor; 800: heater.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As shown in Figure 2, among the present invention, the dryer with driving belt breaking state measuring ability is made up of Humidity Detection portion 200, pulse detection portion 300, microprocessor 400, drive division 500, power supply unit 100.Humidity Detection portion 200 is by whether exporting different voltage value mutually with the contact of washings.Pulse detects according to the voltage value of Humidity Detection portion 200 outputs in pulse detection portion 300.The fracture that microprocessor 400 is judged driving belt according to the pulse of pulse detection portion 300 output whether, the output control signal corresponding.Drive division 500 is according to the control signal control motor 600 and the heater 700 of microprocessor 400.Power supply unit 100 is to microprocessor 400 supply power supplys.
The dryer that possesses driving belt fracture measuring ability of the present invention with said structure moves as follows:
After beginning to dry operation, cylinder is rotated.At this moment the clothing in the cylinder can produce with Humidity Detection portion 200 and contact.Humidity Detection portion 200 can produce voltage when clothing contacts with Humidity Detection portion 200.Pulse detection portion 300 produces pulse by the voltage that Humidity Detection portion 200 produces.
That is, under the normal state of driving belt, when clothing contacted Humidity Detection portion 200 at every turn, the resistance value in the Humidity Detection portion 200 can change.Therefore, resistance correspondingly distributes voltage can output to pulse detection portion 300, and pulse detection portion 300 is to microprocessor 400 output high-frequency signals.When clothing when Humidity Detection portion 200 separates, Humidity Detection portion 200 can not produce voltage.Therefore above-mentioned pulse detection portion 300 is to microprocessor 400 output low frequency signals.
At this moment, shown in Fig. 3 a, the high-frequency/low-frequency signal that pulse detection portion 300 exports repeatedly can be sent to microprocessor 400.
When driving belt ruptures the back cisco unity malfunction, have only motor 600 to be rotated, and cylinder can be slack.When cylinder stopped operating, moving of clothing can't be detected by Humidity Detection portion 200, and therefore, shown in Fig. 3 b, pulse detection portion 300 exports high-frequency signal continuously to microprocessor 400.
Microprocessor 400 is as long as judge that the signal of pulse detection portion 300 outputs is high-frequency/low-frequency signal or continuous high-frequency signal, and the state that can judge driving belt is a normal condition.
Below, with reference to Fig. 4, dryer control method provided by the invention is described:
At first, whether the user is connected power supply and whether the input service initiation command is arranged, judge (S101～S102).
Above-mentioned judged result (S102), if the user has imported the work initiation command, when then carrying out drying stroke, judgement is a high-frequency/low-frequency signal (S103) from the output of Humidity Detection portion.
Above-mentioned judged result (S103) if the value of Humidity Detection portion output is a high-frequency/low-frequency signal alternating signals, then is judged as driving belt and is in normal connection status, proceeds drying stroke (S104).
After finishing drying stroke, allow dryer quit work (S105).
Above-mentioned judged result (S103) judges that the detected value of Humidity Detection portion output is continuous high-frequency signal (S106).
Above-mentioned judged result (S106) if the detected value of Humidity Detection portion output is continuous high-frequency signal, then is judged as driving belt and is in breaking state, allows motor and heater quit work (S107).
In sum, the dryer that possesses driving belt fracture measuring ability provided by the invention with and control method, by the sensing function of Humidity Detection portion, detect the fracture of driving belt automatically, and allow the work of control motor and heater after the above-mentioned situation of microprocessor judges.
Claims (5)
1, a kind of dryer that possesses driving belt breaking state measuring ability, described dryer possesses driving belt, motor and heater, it is characterized in that comprising the Humidity Detection portion (200) that whether exports different mutually voltage values by the contact of washings in the cylinder; Detect the pulse detection portion (400) of pulse according to the voltage value of Humidity Detection portion (200) output; The fracture of judging driving belt according to the pulse of pulse detection portion (400) output whether, the microprocessor (500) of output control signal corresponding; According to the control signal control motor (700) of microprocessor (500) and the drive division (600) of heater (800).
2, the dryer that possesses driving belt breaking state measuring ability according to claim 1 is characterized in that when pulse detection portion (400) received the high-frequency/low-frequency signal repeatedly, microprocessor (500) was judged as the state that driving belt is in normal connection.
3, the dryer that possesses driving belt breaking state measuring ability according to claim 1 is characterized in that from pulse detection portion (400) microprocessor (500) is judged as driving belt and is in breaking state when receiving high-frequency signal continuously.
4, a kind of dryer control method that possesses driving belt breaking state measuring ability, described dryer comprises Humidity Detection portion, driving belt, motor and heater, it is characterized in that the dryer control method comprised with the next stage:
A, user connect power supply, carry out the stage of drying stroke after the input service order;
B, the testing result by Humidity Detection portion in drying stroke are judged the stage whether driving belt ruptures;
C, whether control stage of motor and heater according to the fracture of driving belt.
5, the dryer control method that possesses driving belt breaking state measuring ability according to claim 4 is characterized in that the stage whether described judgement driving belt ruptures comprises:
The testing result of a, Humidity Detection portion is a high-frequency/low-frequency signal when occurring repeatedly, is judged as the stage that driving belt is in normal connection status;
If when the testing result of b Humidity Detection portion high-frequency signal occurs continuously, be judged as the stage that driving belt is in breaking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019553 CN1712628A (en) | 2004-06-14 | 2004-06-14 | Drier with transmission belt fracture detection and its control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019553 CN1712628A (en) | 2004-06-14 | 2004-06-14 | Drier with transmission belt fracture detection and its control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1712628A true CN1712628A (en) | 2005-12-28 |
Family
ID=35718401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019553 Pending CN1712628A (en) | 2004-06-14 | 2004-06-14 | Drier with transmission belt fracture detection and its control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1712628A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173474B (en) * | 2006-11-01 | 2011-11-30 | 海尔集团公司 | Method for checking failures of washing machine electric motor loop and clothes amount detection circuit |
| CN101842532B (en) * | 2007-10-31 | 2012-04-25 | Bsh博世和西门子家用器具有限公司 | Method for determining the switch-off moment of a care process |
| CN102465422A (en) * | 2010-10-28 | 2012-05-23 | 松下电器产业株式会社 | Drum-type washing machine |
| CN101443509B (en) * | 2006-04-14 | 2013-01-16 | Lg电子株式会社 | Dryer and controlling method thereof |
| CN102978887A (en) * | 2006-04-14 | 2013-03-20 | Lg电子株式会社 | Dryer and controlling method thereof |
| CN104480677A (en) * | 2014-11-20 | 2015-04-01 | 上海电力学院 | Energy-saving automatic clothes drying and ironing machine |
| CN107964771A (en) * | 2017-12-12 | 2018-04-27 | 青岛海尔洗衣机有限公司 | A kind of clothes treatment device |
| CN108004736A (en) * | 2017-11-28 | 2018-05-08 | 青岛海尔洗衣机有限公司 | A kind of drying unit and clothes treatment device |
-
2004
- 2004-06-14 CN CN 200410019553 patent/CN1712628A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443509B (en) * | 2006-04-14 | 2013-01-16 | Lg电子株式会社 | Dryer and controlling method thereof |
| CN102978887A (en) * | 2006-04-14 | 2013-03-20 | Lg电子株式会社 | Dryer and controlling method thereof |
| CN102978887B (en) * | 2006-04-14 | 2015-04-01 | Lg电子株式会社 | Dryer and controlling method thereof |
| US9657433B2 (en) | 2006-04-14 | 2017-05-23 | Lg Electronics Inc. | Dryer and controlling method thereof |
| CN101173474B (en) * | 2006-11-01 | 2011-11-30 | 海尔集团公司 | Method for checking failures of washing machine electric motor loop and clothes amount detection circuit |
| CN101842532B (en) * | 2007-10-31 | 2012-04-25 | Bsh博世和西门子家用器具有限公司 | Method for determining the switch-off moment of a care process |
| CN102465422A (en) * | 2010-10-28 | 2012-05-23 | 松下电器产业株式会社 | Drum-type washing machine |
| CN104480677A (en) * | 2014-11-20 | 2015-04-01 | 上海电力学院 | Energy-saving automatic clothes drying and ironing machine |
| CN108004736A (en) * | 2017-11-28 | 2018-05-08 | 青岛海尔洗衣机有限公司 | A kind of drying unit and clothes treatment device |
| CN107964771A (en) * | 2017-12-12 | 2018-04-27 | 青岛海尔洗衣机有限公司 | A kind of clothes treatment device |
| CN107964771B (en) * | 2017-12-12 | 2023-07-04 | 青岛海尔洗衣机有限公司 | Clothes treatment equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1928188A (en) | Drum washing machine | |
| KR100751780B1 (en) | Method for removing bubble of a drum type washing machine | |
| CN1503864A (en) | Apparatus for sensing dryness degree in exhaust type clothes dryer and control method using same | |
| CN108505276A (en) | Washing dryer | |
| CN1712628A (en) | Drier with transmission belt fracture detection and its control | |
| CN101400847B (en) | Dryer and dry method for the same | |
| CN115726127A (en) | Control method and device of washing and drying all-in-one machine, washing and drying all-in-one machine and storage medium | |
| WO2006041266A1 (en) | Condensing type dryer and controlling method of the same | |
| CN103842573A (en) | Washer-dryer | |
| CN103321028A (en) | Control device and control method for clothes dryer | |
| CN105862322A (en) | Washing machine as well as control method and control device thereof | |
| CN102021785A (en) | Cloth washing device and cloth washing method using the same | |
| CN102978887B (en) | Dryer and controlling method thereof | |
| JP2013094215A (en) | Washing and drying machine | |
| CN1283877C (en) | Dryness measurement device | |
| WO2015056416A1 (en) | Washing and drying machine | |
| CN1715544A (en) | Drier power controller and its control method | |
| CN1888292A (en) | Controlling method for condensing laundry drier | |
| CN1223719C (en) | Dewater control method of washing machine | |
| KR100510684B1 (en) | Drying Machine of Drum Type Washer and Control Method of The Same | |
| CN108866926B (en) | Washing and drying integrated machine and drying control method and device thereof | |
| CN105862320B (en) | The control method of washing and washing machine of washing machine | |
| CN1464089A (en) | Drying apparatus for drum washing machine of switching type drying mode | |
| CN101173459A (en) | Dewatering process of washing machine | |
| CN1715541A (en) | Drier and its control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |