CN101694935A - Overvoltage cutting device and method for dryer - Google Patents
Overvoltage cutting device and method for dryer Download PDFInfo
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- CN101694935A CN101694935A CN200910206730A CN200910206730A CN101694935A CN 101694935 A CN101694935 A CN 101694935A CN 200910206730 A CN200910206730 A CN 200910206730A CN 200910206730 A CN200910206730 A CN 200910206730A CN 101694935 A CN101694935 A CN 101694935A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/26—Heating arrangements, e.g. gas heating equipment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention relates to an overvoltage cutting device and method for a dryer. The overvoltage cutting method comprises following steps: detecting the power supply value for a dryer; comparing the detected voltage value and a reference value; and cutting the power supply in the dryer when the detected voltage value is higher than the reference voltage; thus, preventing the power supply device or the electric heating device in the dryer from being electrically damaged or overheating.
Description
Technical field
The present invention relates to a kind of overvoltage cutting device and method of dryer, in the present invention, when the voltage that inserts in the dryer is high voltage more than the constant voltage, will cut off the power supply of supplying with in the cloth drying machine.
Background technology
In general, device for clothing processing includes washing machine, cloth drying machine, and the laundry apparatus etc. that has the function of washing and oven dry simultaneously.Washing machine is a kind of process through washing, cleaning, dehydration, and removes the device of polluter from contaminated washings, and it includes with lower member: the body that constitutes outward appearance; Be installed on the inside of above-mentioned body, be used to store the catch basin of water; The rotatable swivelling chute that is installed on above-mentioned catch basin inside.Wherein, the washing agent of throwing in washings and throwing in simultaneously in the inside of above-mentioned swivelling chute with washings, and swivelling chute is rotated, apply physical impact to washings, thereby carry out the washing operation of washings.In addition, rotating shaft according to the above-mentioned swivelling chute of handling washings is horizontal or vertical situation, common washing machine can be divided into two kinds substantially, promptly, with rotating shaft is that washing machine under the vertical situation is called the overhead washing machine, is that the washing machine under the situation of level is called roller washing machine with rotating shaft.
In addition, cloth drying machine is the cylinder inside that a kind of washings that will finish the state that washing process and dehydration finish is rendered to dryer, and to cylinder internal feed hot blast, makes the water evaporates in the washings and dries the device of washings.Below, will the structure of above-mentioned dryer be described.Include in the dryer with lower member: be arranged at the inside of dryer, be used to throw in the cylinder of washings; The drive motors that is used for head roll; Blowing fan to the inner blow air of cylinder; Heating is to the heater of the inner leaked-in air of cylinder.In addition, above-mentioned heater can utilize the resistance heat of the high temperature that is produced by resistance, or the combustion heat that produces when utilizing gas combustion.
In addition, the air of discharging from the cylinder of dryer will have the moisture of the washings of cylinder inside, and become the air of the high temperature states that wet more.At this moment, according to the mode of handling the above-mentioned high temperature air that wet more, above-mentioned dryer can be divided into: how wet air is not discharged to the outside of dryer to make high temperature, but in inner loop, and in freezing machine, carry out heat exchange, the condensed type drying machine that how wet the moisture that contains in high temperature the air carried out condensation with extraneous air; The exhaust type drying machine that to directly discharge through the air of the many wet conditions of high temperature of discharging behind the cylinder to the outside.
Particularly, under the situation that existing electric formula dryer is installed, if during with the normal voltage terminal incorrect link of supply unit, the inner transformer that is used for voltage of transformation will damage owing to bearing high voltage, or cause producing in the heater overheated thus and be subjected to electric injury.
Summary of the invention
In order to solve above-mentioned deficiency, the invention provides a kind of overvoltage cutting device and method of dryer, in the present invention, at cloth drying machine is under the situation of electric formula, when in supply unit, inserting overvoltage, but the present invention goes out above-mentioned situation with fast detecting, thereby prevents that the circuit of supply unit inside or parts are subjected to electric injury or fire damage.
The technical scheme that the present invention provides is: a kind of overvoltage cutting device of dryer, be provided with heater in the cloth drying machine of the present invention, and it includes with lower member: the power supply handling part that common voltage is transformed to direct voltage; Cut off the switch portion of the power supply of supplying with in the heater according to control signal; Detect the size of the direct voltage of above-mentioned conversion, and compare, when detected direct voltage during greater than fiducial value, the control part of output for the control signal of above-mentioned switch portion with fiducial value.
The overvoltage cutting device of aforesaid dryer is characterized in that: also include with lower member: the configuration part of setting the kind of the dryer that adopts above-mentioned overvoltage cutting device; Be used to show the kind of dryer of above-mentioned setting and above-mentioned dryer because overvoltage input and the display part of cut state.
The overvoltage cutting device of aforesaid dryer is characterized in that: above-mentioned switch portion from dryer supply power to the predefined time with the interior power supply of supplying with in the heater that cuts off according to above-mentioned control signal.
The overvoltage cutting device of aforesaid dryer is characterized in that: include with lower member in the above-mentioned power supply handling part: the power conversion portion that is used for the step-down common voltage; Be used for AC voltage conversion is the DC power supply unit of rectification and direct voltage; Be used to reduce the size of direct voltage of input and the voltage distribution portion of output.
The overvoltage cutting-off method of dryer of the present invention, it includes following steps: the step that detects the size of the voltage of supplying with in the dryer; The step that the size and the fiducial value of above-mentioned detected voltage compared; When the size of above-mentioned detected voltage is higher than reference voltage, cut off the step of the power supply of supplying with in the dryer.
The overvoltage cutting-off method of aforesaid dryer is characterized in that: also include: the step that detects the kind of above-mentioned dryer.
The overvoltage cutting-off method of aforesaid dryer is characterized in that: in the step of the size of above-mentioned detection voltage, and supply power in above-mentioned dryer, and through detecting the size of above-mentioned power supply after the predefined time.
The overvoltage cutting-off method of aforesaid dryer is characterized in that: include in the step of the size of above-mentioned detection voltage: carry out initialized step to preestablishing in the time detected value behind the supply power in the above-mentioned dryer; After above-mentioned initialization step finishes, with the detection step of the size that preestablishes the above-mentioned power supply of time detecting.
The overvoltage cutting-off method of aforesaid dryer is characterized in that: include in the step of the power supply of above-mentioned sever supply: when above-mentioned detected power supply during greater than fiducial value, with the step display of the fault of predefined time showing power supply unit; Through after the above-mentioned predefined time, cut off the cut-out step of the power supply of supplying with in the dryer.
The overvoltage cutting-off method of aforesaid dryer is characterized in that: in the step of the power supply of above-mentioned sever supply, when the size of above-mentioned detected power supply is 150% when above of constant voltage, will cut off the power supply of above-mentioned supply.
The overvoltage cutting-off method of aforesaid dryer, it is characterized in that: in the step of the power supply of above-mentioned sever supply, when above-mentioned detected dryer is not electric formula dryer, even under the situation of size greater than fiducial value of above-mentioned detected power supply, also will not cut off the power supply of above-mentioned supply.
The overvoltage cutting-off method of aforesaid dryer, it is characterized in that: in the step of the size of above-mentioned detection power supply, to supply with the size of time to the 10 second above-mentioned power supply of time detecting from power supply, in above-mentioned step of cutting off the electricity supply, to supply with time to 20 from above-mentioned power supply second with the interior power supply of supplying with the heater that cuts off according to above-mentioned control signal.
Beneficial effect of the present invention: at cloth drying machine is under the situation of electric formula, and when inserting overvoltage in supply unit, but the present invention goes out above-mentioned situation with fast detecting, thereby prevents that the circuit of supply unit inside or parts are subjected to electric injury or fire damage.
Description of drawings
Fig. 1 is the stereogram that adopts the electric formula dryer of the embodiment among the present invention;
Fig. 2 is the side cross-sectional view of the electric formula dryer among Fig. 1;
Fig. 3 is the block diagram of the overvoltage cutting device of the dryer in one embodiment of the invention;
Fig. 4 is the voltage distribution circuit diagram as the embodiment use of the test section among Fig. 3;
Fig. 5 is the constant voltage source circuit diagram that is provided with in the DC power supply unit of Fig. 3;
Fig. 6 is the control flow chart of the overvoltage cutting-off method of the dryer in one embodiment of the invention.
Embodiment
Below, with reference to the accompanying drawings, structure in one embodiment of the invention and effect are described in detail.
Fig. 1 is the stereogram that adopts the cloth drying machine of one embodiment of the invention; Fig. 2 is the simple sectional view of the internal structure among Fig. 1.
With reference to Fig. 1 and Fig. 2, the body 102 that includes the profile of constituent apparatus in the above-mentioned dryer 100, be formed with in the front of above-mentioned body 102 and be used for rendering to the dispensing port 104 of body 102 inside as the clothing of oven dry object, above-mentioned dispensing port 104 is opened and closed by door 106.And, at the upside of above-mentioned dispensing port 104 guidance panel 108 being installed, aforesaid operations panel 108 has the various operation keyss that are used to operate above-mentioned dryer.
Be provided with cylinder 120 in the above-mentioned dryer, the above-mentioned cylinder 120 rotatable inside that are installed on body 102, and in inside to the oven dry object dry.And above-mentioned cylinder 120 passes through the rotatable support of support with the rear forwardly.In addition, above-mentioned cylinder 120 is connected with the drive motors 150 that the dryer bottom is provided with by dynamic conveyor belt 122, and is delivered to revolving force.And, suction air channel 130 is installed at the rear of cylinder 120, the inlet portion in above-mentioned suction air channel 130 is equipped with the heater 140 that is used to heat inhaled air.In addition, downside is equipped with filter 180 in the place ahead of above-mentioned cylinder 120, and above-mentioned filter 180 is used for filtering the foreign substances such as velveteen that contain from the air of cylinder 120 discharges.And the below of above-mentioned cylinder 120 also is equipped with filters the air channel 170,190 that air is discharged to fully after the foreign substances outside of dryer.
In above-mentioned air channel 170,190 blowing fan 160 is installed, said fan 160 is used for sucking the air of above-mentioned cylinder 120, and its pressure is blown into the outside of dryer.That is, an end in above-mentioned air channel 190 and the external communications of body 102 are installed, and will be directed to the outside of dryer by the air that blowing fan 160 pressures blow.The blowing fan 160 that illustrates in the present embodiment is to be installed on from the air channel of above-mentioned cylinder air-out, and the air of discharging in the cylinder is drawn into the extending type blowing fan of the form of exhaust duct side.But, according to the structure of dryer, can adopt to make blowing fan be positioned at suction air channel 130 from hot blast to cylinder that supply with, and be pushed into the form formation of cylinder with the air of the heating that will suck inside, air channel, the blowing fan of above-mentioned form is called the driving blowing fan.
Side at above-mentioned drive motors 150 is formed with pinion, is connected with the dynamic conveyor belt 122 that is used for head roll in above-mentioned pinion.In order to drive said fan 160, the opposite side of above-mentioned drive motors 150 will be connected with the driving shaft of blowing fan 160.
Fig. 3 is the block diagram of the overvoltage cutting device of the dryer in the embodiment of the invention; Fig. 4 is the schematic diagram that illustrates an embodiment of the power supply test section among Fig. 3; Fig. 5 is the schematic diagram that illustrates the constant voltage source circuit that is provided with in the DC power supply unit of Fig. 3.
With reference to Fig. 3, the overvoltage cutting device 200 according to the dryer in the embodiment of the invention is provided with heater in the cloth drying machine of the present invention, and it includes with lower member: the power supply handling part 250 that common voltage is transformed to direct voltage; Cut off the switch portion 240 of the power supply of supplying with in the heater according to control signal; Detect the size of the direct voltage of above-mentioned conversion, and compare, when detected direct voltage during greater than fiducial value, the control part 210 of output for the control signal of above-mentioned switch portion with fiducial value.
Preferably also include in the overvoltage cutting device 200 of above-mentioned dryer with lower member: the configuration part 220 of setting the kind of the dryer that adopts above-mentioned overvoltage cutting device 200; Be used to show the kind of dryer of above-mentioned setting and above-mentioned dryer because overvoltage input and the display part 260 of cut state.
Above-mentioned configuration part 220 is used to show that the cloth drying machine that adopts overvoltage cutting device of the present invention is electric formula cloth drying machine, and it can be made of by option resistance or DIP switch etc. the producer during fabrication.Therefore, only be applicable in the present invention under the situation of electric formula cloth drying machine, can need not to comprise above-mentioned configuration part 220.
When in above-mentioned cloth drying machine, inserting power supply, 220[V] or 110[V] power supply commonly used will supply to above-mentioned power supply handling part 250 via above-mentioned switch portion 240, inside at above-mentioned power supply handling part 250, to obtain step-down and be sent to DC power supply unit 252 by power conversion portion 251, and reduce voltage for making easy to handle state in the above-mentioned control part 210 by voltage distribution portion 253.
Above-mentioned power conversion portion 251 be used for will power supply commonly used high-voltage variable be changed to low-voltage, to constitute by transformer in the present embodiment, above-mentioned transformer is with the size of the power supply commonly used of access in 1 end of a conversion, and send end to 2 times, promptly, because the power supply of input be the alternating voltage as power supply commonly used in 1 time of power conversion portion 251 end, the voltage of exporting from 2 ends of above-mentioned power conversion portion 251 also will be the alternating voltage that obtains step-down.
Above-mentioned DC power supply unit 252 utilizes inner rectification circuit and the smoothing circuit output dc voltage that is provided with by above-mentioned power conversion portion 251 input ac voltages, and above-mentioned DC power supply unit 252 will be exported 16[V] direct voltage.Meanwhile, in order to import above-mentioned 16[V] voltage, and output 12[V] stable voltage, with the constant-voltage circuit 254 that is provided with as illustrating among Fig. 5.
To insert the 16[V identical among the right side capacitor C2 that in above-mentioned Fig. 5, illustrates with the output of above-mentioned smoothing circuit] voltage, the constant voltage IC 255 that is input to above-mentioned voltage will make left side capacitor C1 keep stable 12[V] voltage.
Above-mentioned voltage distribution portion 253 output voltages with above-mentioned DC power supply unit 252 are reduced to the suitable voltage of above-mentioned control part 210 deal with data, and supply to above-mentioned control part 210.As shown in Figure 4, the size that above-mentioned voltage distribution portion 253 will utilize resistance R 1, R2 to distribute the output voltage of above-mentioned DC power supply unit 252, different therewith, also can utilize OP-amp or comparator circuit to detect voltage.
Above-mentioned switch portion 240 can be made of electronic switching elements such as relay element or power transistors, will use relay in the present embodiment.
When by above-mentioned voltage distribution portion 253 detected voltages be constant voltage 150% when above, above-mentioned control part 210 will be controlled above-mentioned switch portion 240 and cut off power supply commonly used.Above-mentioned switch portion 140 can be made of electronic switching elements such as relay element or power transistors, will use relay in the present embodiment.
In more detail, when above-mentioned detected voltage is 150% when above of constant voltage, above-mentioned control part 210 will from supply power time to 20 second with the commonly used power supply of above-mentioned switch portion 240 sever supplies of inner control to heater 270 or above-mentioned power conversion portion 251.
Particularly, in the present embodiment, at cloth drying machine is under the situation of three-phase electricity formula dryer, the power supply terminal false wiring that can prevent owing to installing user or setter causes the circuit block of power suppliers such as power conversion portion 251 to be subjected to overvoltage damaging or burn, and the overheated situation of electric calorifie installation such as heater takes place.
Owing to above-mentioned false wiring etc. causes under the cut situation of power supply, above-mentioned display part 260 will show the situation of cutting off the electricity supply owing to the defective of supply unit to user or manager, thus, user or manager can learn the cut reason of power supply and solve fault, or learn the reason that fault takes place, thereby the convenience that provides the user to use.
Illustrate the control flow chart of the overvoltage cutting-off method of the dryer in the embodiment of the invention among Fig. 6.
With reference to Fig. 6, according to the overvoltage cutting-off method of the dryer in the embodiment of the invention, it includes following steps: the step S30 that detects the size of the voltage of supplying with in the dryer; The step S40 that the size and the fiducial value of above-mentioned detected voltage compared; When the size of above-mentioned detected voltage is higher than reference voltage, cut off the step S60 of the power supply of supplying with in the dryer.
In the overvoltage cutting-off method of above-mentioned dryer, also can include the step S10 of the kind that detects above-mentioned dryer.
Whether in the step S10 of the kind of above-mentioned detection dryer, will detect above-mentioned cloth drying machine is electric formula dryer, and it is by detecting the state of the predefined option resistance of producer, and determines according to the state of detected option resistance.Therefore, only be applicable in the present invention under the situation of electric formula cloth drying machine that the step of the kind of above-mentioned detection dryer will need not and must carry out.
In more detail, in the step S10 of the kind of above-mentioned detection dryer, judge whether above-mentioned dryer is three-phase electricity formula dryer S20, when being judged as electric formula dryer, the step S30 of the size that detects above-mentioned power supply will be carried out, when not being electric formula dryer, will carry out the stroke S70 that sets in the dryer.
In the step S30 of the size of above-mentioned detection power supply, supply power in above-mentioned cloth drying machine, and through detecting the size of above-mentioned power supply after the predefined time.In more detail, insert time to 10 second time detecting power supply, in above-mentioned dryer, insert the power supply second time in time to 6, and finish the size of back with the 4 seconds above-mentioned voltage of time detecting at above-mentioned initialization step with initialize power test section 270 at power supply.
Above-mentioned detected voltage will compare S40 by control part 210 and fiducial value, when above-mentioned detected voltage during,, and cut off power supply S50, the S60 that supplies with in the dryer with the fault of display power supply portion greater than fiducial value, if not the time, will carry out predefined stroke S70 in the dryer.
In more detail, at above-mentioned detected voltage is under the situation more than 150% of reference voltage, before power supply commonly used is cut off, will be in above-mentioned display part 260 the fault S50 of display power supply device, the display operation of above-mentioned fault can perhaps also can utilize warning tones or speech messages such as buzz by display message in display part 260.The time that control part 210 is cut off the electricity supply according to control signal for the time point that cloth drying machine, inserts power supply from the user to through 20 seconds the time, cut off the power supply S60 commonly used that supplies with in the cloth drying machine by opening switch portion 240.
Above with reference to embodiment among the present invention and accompanying drawing; and be that example has been described in detail with electric formula cloth drying machine; but the present invention is applicable to exhaust cloth drying machine etc.; and; the foregoing description does not limit the present invention in any form; all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (12)
1. the overvoltage cutting device of a dryer is provided with heater in the cloth drying machine of the present invention, it is characterized in that, comprises with lower member: the power supply handling part that common voltage is transformed to direct voltage; Cut off the switch portion of the power supply of supplying with in the heater according to control signal; Detect the size of the direct voltage of above-mentioned conversion, and compare, when detected direct voltage during greater than fiducial value, the control part of output for the control signal of above-mentioned switch portion with fiducial value.
2. the overvoltage cutting device of dryer according to claim 1 is characterized in that, also includes with lower member: the configuration part of setting the kind of the dryer that adopts above-mentioned overvoltage cutting device; Be used to show the kind of dryer of above-mentioned setting and above-mentioned dryer because overvoltage input and the display part of cut state.
3. the overvoltage cutting device of dryer according to claim 1 is characterized in that, above-mentioned switch portion from dryer supply power to the predefined time with the interior power supply of supplying with in the heater that cuts off according to above-mentioned control signal.
4. the overvoltage cutting device of dryer according to claim 1 is characterized in that, includes with lower member in the above-mentioned power supply handling part: the power conversion portion that is used for the step-down common voltage; Be used for AC voltage conversion is the DC power supply unit of rectification and direct voltage; Be used to reduce the size of direct voltage of input and the voltage distribution portion of output.
5. the overvoltage cutting-off method of a dryer is characterized in that, includes following steps: the step that detects the size of the voltage of supplying with in the dryer; The step that the size and the fiducial value of above-mentioned detected voltage compared; When the size of above-mentioned detected voltage is higher than reference voltage, cut off the step of the power supply of supplying with in the dryer.
6. the overvoltage cutting-off method of dryer according to claim 5 is characterized in that, also includes: the step that detects the kind of above-mentioned dryer.
7. the overvoltage cutting-off method of dryer according to claim 5 is characterized in that: in the step of the size of above-mentioned detection voltage, and supply power in above-mentioned dryer, and through detecting the size of above-mentioned power supply after the predefined time.
8. the overvoltage cutting-off method of dryer according to claim 7 is characterized in that, includes in the step of the size of above-mentioned detection voltage: carry out initialized step to preestablishing in the time detected value behind the supply power in the above-mentioned dryer; After above-mentioned initialization step finishes, with the detection step of the size that preestablishes the above-mentioned power supply of time detecting.
9. the overvoltage cutting-off method of dryer according to claim 5, it is characterized in that, include in the step of the power supply of above-mentioned sever supply: when above-mentioned detected power supply during, with the step display of the fault of predefined time showing power supply unit greater than fiducial value; Through after the above-mentioned predefined time, cut off the cut-out step of the power supply of supplying with in the dryer.
10. the overvoltage cutting-off method of dryer according to claim 5 is characterized in that: in the step of the power supply of above-mentioned sever supply, when the size of above-mentioned detected power supply is 150% when above of constant voltage, will cut off the power supply of above-mentioned supply.
11. the overvoltage cutting-off method of dryer according to claim 5, it is characterized in that: in the step of the power supply of above-mentioned sever supply, when above-mentioned detected dryer is not electric formula dryer, even under the situation of size greater than fiducial value of above-mentioned detected power supply, also will not cut off the power supply of above-mentioned supply.
12. the overvoltage cutting-off method of dryer according to claim 5, it is characterized in that: in the step of the size of above-mentioned detection power supply, to supply with the size of time to the 10 second above-mentioned power supply of time detecting from power supply, in above-mentioned step of cutting off the electricity supply, to supply with time to 20 from above-mentioned power supply second with the interior power supply of supplying with the heater that cuts off according to above-mentioned control signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090014075A KR101542497B1 (en) | 2009-02-19 | 2009-02-19 | Apparatus and method for cutting off overvoltage of dryer |
| KR10-2009-0014075 | 2009-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101694935A true CN101694935A (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910206730A Pending CN101694935A (en) | 2009-02-19 | 2009-10-19 | Overvoltage cutting device and method for dryer |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101542497B1 (en) |
| CN (1) | CN101694935A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8441248B2 (en) | 2010-10-21 | 2013-05-14 | Whirlpool Corporation | Laundry treating appliance with voltage detection |
| CN107245837A (en) * | 2013-07-24 | 2017-10-13 | 松下知识产权经营株式会社 | Electric equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101189486B1 (en) | 2010-09-30 | 2012-10-12 | 한양대학교 산학협력단 | Combustion detecting method of engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930000828Y1 (en) * | 1990-03-14 | 1993-02-27 | 박노수 | Roller in window |
| KR930006235A (en) * | 1991-09-27 | 1993-04-21 | 강진구 | Motor control device and control method of washing machine |
| JPH0924196A (en) * | 1995-07-10 | 1997-01-28 | Matsushita Electric Ind Co Ltd | Clothing drying machine |
| KR101410753B1 (en) * | 2007-06-25 | 2014-06-23 | 삼성전자 주식회사 | Apparatus for sensing power supply voltage of washing machine |
-
2009
- 2009-02-19 KR KR1020090014075A patent/KR101542497B1/en not_active IP Right Cessation
- 2009-10-19 CN CN200910206730A patent/CN101694935A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8441248B2 (en) | 2010-10-21 | 2013-05-14 | Whirlpool Corporation | Laundry treating appliance with voltage detection |
| CN107245837A (en) * | 2013-07-24 | 2017-10-13 | 松下知识产权经营株式会社 | Electric equipment |
| CN107245837B (en) * | 2013-07-24 | 2019-01-08 | 松下知识产权经营株式会社 | Electric equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100094888A (en) | 2010-08-27 |
| KR101542497B1 (en) | 2015-08-06 |
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Application publication date: 20100414 |