CN207130490U - A kind of intelligent power saving magnetic suspension washing machine - Google Patents
A kind of intelligent power saving magnetic suspension washing machine Download PDFInfo
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- CN207130490U CN207130490U CN201720787131.8U CN201720787131U CN207130490U CN 207130490 U CN207130490 U CN 207130490U CN 201720787131 U CN201720787131 U CN 201720787131U CN 207130490 U CN207130490 U CN 207130490U
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- bucket
- suspension
- suspension bucket
- washing machine
- power saving
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Abstract
A kind of intelligent power saving magnetic suspension washing machine, includes shell, stirring wheel, bung, suspension bucket, draining pump, entering water electromagnetic valve, motor, gear train, magnetic levitation system, detergent box and controller, and suspension bucket includes cover tire and interior bucket；In use, when controller controlled motor drives stirring wheel rotation, the opposite direction that motor drives suspension bucket to be rotated by stirring wheel by gear train is rotated, and the clothing of interior bucket is followed stirring wheel to rotate, washed using the water impact clothing of opposite direction；When controller controlled motor drives stirring wheel rotation, controller control electromagnet is powered, electromagnet produces and fixed magnet identical polarity, suspension bucket is in the presence of electromagnet and fixed magnet same polarity repulsive force, suspension bucket edge motor shaft rises suspension and got up, the upper surface of electromagnet and the lower surface of fixed magnet is in contactless state, reduce the frictional force of suspension bucket rotation.
Description
Technical field
A kind of washing machine is the utility model is related to, particularly a kind of intelligent power saving magnetic suspension washing machine.
Background technology
At present, traditional washing machine, during laundry, the continuous rotating of motor, the clothing for driving water slug to be washed, due to motor
Continuous main story and reversion, not only power consumption, and have bad influence to the service life of motor, one kind avoids motor positive and inverse
A kind of intelligent power saving magnetic suspension washing machine of operation has turned into people improves the needs of washing machine performance.
The content of the invention
The bright purpose of the utility model is overcome the deficiencies in the prior art, there is provided a kind of intelligent power saving magnetic suspension laundry
Machine, improve the performance of washing machine.
Technical scheme is used by the utility model：A kind of intelligent power saving magnetic suspension washing machine includes shell, stirring
Wheel, bung, suspension bucket, draining pump, entering water electromagnetic valve, motor, gear train, magnetic levitation system, detergent box and controller；Bucket
Lid passes through hinge and cage connection, and stirring wheel is installed in suspension bucket, and entering water electromagnetic valve is connected by its water inlet pipe and detergent box
Connect, detergent box is connected by its adjutage with suspension bucket, and draining pump is connected by its drinking-water pipe with suspension bucket；Motor and stirring
Wheel connection, motor is connected by gear train with suspension bucket, and gear train includes driving gear, the first idler gear, among second
Gear, the 3rd idler gear and driven gear, the support and cage connection of motor, the motor shaft of motor pass through the axle of suspension bucket
Hole is connected with stirring wheel, and stirring wheel is located at the bottom of suspension bucket, and motor shaft is connected with driving gear, among driving gear and first
Gear engages, and the first idler gear engages with the second idler gear, and the second idler gear and the 3rd idler gear are coaxially connected, the
Three idler gears are engaged with driven gear, and driven gear is fixedly and coaxially connected with suspension bucket；Magnetic levitation system includes electromagnet
And fixed magnet, electromagnet are fixedly connected with shell, fixed magnet is fixedly connected with suspension bucket, and fixed magnet is located at electromagnet
Opposite；Suspension bucket includes outer barrel and interior bucket, and together with outer barrel is fixedly and coaxially connected with interior bucket, interior bucket is located in outer barrel,
Interior bucket is provided with washing hole, and the outer barrel die cavity between outer barrel and interior bucket is connected by washing hole with the interior bucket die cavity of interior bucket；Motor shaft
Provided with electromagnetic clutch, electromagnetic clutch between stirring wheel and driving gear, the axis of electromagnetic clutch and motor shaft
Axis is identical, and controller is connected by control line with electromagnetic clutch.
A kind of application method of intelligent power saving magnetic suspension washing machine is：In use, opening bung, interior bucket is put the laundry into
Closing bucket-lid after interior bucket die cavity, and detergent box is opened, close detergent box after detergent is put into detergent box；Using opening
After dynamic switch starts, controller control entering water electromagnetic valve water inlet, running water enters detergent box by entering water electromagnetic valve through water inlet pipe,
Detergent in detergent box is poured in suspension bucket by adjutage, and interior bucket is entered by the scrubbed hole of suspension bucket；Work as suspension
After the water level of the washings of bucket reaches the position of level sensor, level sensor is transferred to controller, controller through its signal
Entering water electromagnetic valve is controlled to close, water inlet stops；After water inlet stops, controller controlled motor drives stirring wheel to rotate, while motor
Suspension bucket is driven to rotate by gear train, the direction that suspension bucket rotates rotates in opposite direction with stirring wheel；The clothing of interior bucket with
Rotated with stirring wheel, suspension bucket driving washings opposite direction rotates, and is washed, washed using the water impact clothing of opposite direction
Time arrives, and controller controlled motor stops operating；After motor stalls, controller controls draining pump by the washing in suspension bucket
Water is taken away；After washings in suspension bucket are taken away, controller control draining pump stops, meanwhile, controller control entering water electromagnetic valve
Water inlet, after the water level in suspension bucket reaches the position of level sensor, level sensor is transferred to controller through its signal, control
Device control entering water electromagnetic valve processed is closed, and water inlet stops；After water inlet stops, controller controlled motor drives stirring wheel to rotate, simultaneously
Motor drives suspension bucket to rotate by gear train, and the direction that suspension bucket rotates rotates in opposite direction with stirring wheel；The clothing of interior bucket
Thing follows stirring wheel to rotate, and suspension bucket driving washings opposite direction is rotated, and water was carried out using the water impact clothing of opposite direction
Cleaning, cross water cleaning time and arrive, controller controlled motor stops operating；After motor stalls, controller control draining pump will
Water in suspension bucket is taken away；After clean water is taken away, controller controlled motor drives suspension bucket to rotate dehydration, will be outstanding using centrifugal force
The water of the interior bucket clothing of keg float is got rid of away；While suspension bucket is rotated and is dehydrated, controller control electromagnetic clutch clutch, stirring wheel
Stop operating；After draining pump takes the water in suspension bucket away, controller control draining pump stops, meanwhile, controller controlled motor
Stop operating, laundry flow is completed.
The beneficial effects of the utility model are：A kind of intelligent power saving magnetic suspension washing machine includes shell, stirring
Wheel, bung, suspension bucket, draining pump, entering water electromagnetic valve, motor, gear train, magnetic levitation system, detergent box and controller, hang
Keg float includes cover tire and interior bucket；In use, when controller controlled motor drives stirring wheel rotation, motor is driven by gear train
Dynamic suspension bucket is rotated by the opposite direction of stirring wheel rotation, and the clothing of interior bucket follows stirring wheel to rotate, utilizes the current of opposite direction
Impact clothing is washed；When controller controlled motor drives stirring wheel rotation, controller control electromagnet is powered, electromagnet production
Raw and fixed magnet identical polarity, suspension bucket is in the presence of electromagnet and fixed magnet same polarity repulsive force, suspension bucket edge
Motor shaft rises suspension and got up, and the upper surface of electromagnet and the lower surface of fixed magnet is in contactless state, reduces and suspends
The frictional force of bucket rotation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of intelligent power saving magnetic suspension washing machine.
Embodiment
The utility model is further detailed below in conjunction with the accompanying drawings：
A kind of structural representation of intelligent power saving magnetic suspension washing machine shown in Fig. 1, a kind of intelligent power saving magnetic suspension laundry
Machine includes shell 1, stirring wheel 2, bung 3, suspension bucket 4, draining pump 5, entering water electromagnetic valve 6, motor 7, gear train 8, magnetic suspension
Device 9, detergent box 10 and controller 11；Bung 3 is connected by hinge with shell 1, and stirring wheel is installed in suspension bucket 4,
Entering water electromagnetic valve 6 is connected by its water inlet pipe 12 with detergent box 10, and detergent box 10 is connected by its adjutage 13 with suspension bucket 4
Logical, draining pump 5 is connected by its drinking-water pipe 14 with suspension bucket 4；Motor 7 is connected with stirring wheel 2, and motor 7 is by gear train 8 with hanging
Keg float 4 connects, and gear train 8 includes driving gear 15, the first idler gear 16, the second idler gear 17, the 3rd idler gear
18 and driven gear 19, the support of motor 7 be connected with shell 1, the motor shaft 20 of motor 7 through suspension bucket 4 axis hole 40 with
Stirring wheel 2 is connected, and stirring wheel 2 is located at the bottom of suspension bucket 4, and motor shaft 20 is connected with driving gear 15, driving gear 15 and
One idler gear 16 engages, and the first idler gear 16 engages with the second idler gear 17, among the second idler gear 17 and the 3rd
Gear 18 is coaxially connected, and the 3rd idler gear 18 engages with driven gear 19, and driven gear 19 and suspension bucket 4 are coaxially connected；Magnetic
Levitation device 9 includes electromagnet 21 and fixed magnet 22, and electromagnet 21 is fixedly connected with shell 1, and fixed magnet 22 is with hanging
Keg float 4 is fixedly connected, and fixed magnet 22 is located at the opposite of electromagnet 21；Suspension bucket 4 includes outer barrel 23 and interior bucket 24, outer barrel
23 be fixedly and coaxially connected with interior bucket 24 together with, interior bucket 24 is located in outer barrel 23, and interior bucket 24 is provided with washing hole 25, outer barrel 23 with it is interior
Outer barrel die cavity 26 between bucket 24 is connected by washing hole 25 with the interior bucket die cavity 27 of interior bucket 24；The original state of suspension bucket 4 is：
The lower surface 36 of fixed magnet 22 contacts with the upper surface 37 of electromagnet 21.
In order to implement the control of the water level of suspension bucket 4, controller 11 includes control panel 28 and level sensor 29, control
Panel 28 processed is provided with starting switch 30, and level sensor 29 in the outer barrel die cavity 26 of suspension bucket 4, install by level sensor 29
In on drinking-water pipe 14, controller 11 is connected by control line with level sensor 29；Level sensor 29 includes water level biography
Sensor 31, middle level sensor 32, lower level sensor 33 and discharge level sensor 34, upper level sensor 31 is located at outer
The top of barrel shape chamber 26, middle level sensor 32 are located at the middle part of outer barrel die cavity 26, and lower level sensor 33 is located at outer barrel die cavity
26 bottom, discharge level sensor 34 is located at the bottom of outer barrel die cavity 26, for controlling the water level of suspension bucket 4；Draining pump 5 is taken out
The pump mouth 35 of water pipe 14 is located in the groove 48 of the bottom of suspension bucket 4.
In order to implement using the clothing in water impact interior bucket 24, and stop stirring wheel 2 during dehydration and rotate；Suspension bucket 4
Inwall be provided with blade 38, for driving the water of the outer barrel die cavity 26 of suspension bucket 4 to rotate；The axis of motor 7 and outer barrel 23 and interior
The axis of bucket 24 is identical, and the axis of driven gear 19 is identical with the axis of motor 7；Stirring wheel 2 is located at the interior bucket 24 of suspension bucket 4
It is interior；Motor shaft 20 is provided with electromagnetic clutch 39, and electromagnetic clutch 39 is between stirring wheel 2 and driving gear 15, motor shaft 20
It is connected by electromagnetic clutch 39 with stirring wheel 2, the axis of electromagnetic clutch 39 is identical with the axis of motor shaft 20, controller 11
It is connected by control line with electromagnetic clutch 39.
A kind of application method of intelligent power saving magnetic suspension washing machine is：In use, opening bung 3, interior bucket is put the laundry into
Closing bucket-lid 3 after 24 interior bucket die cavity 27, and detergent box 10 is opened, detergent is put into close after detergent box 10 and washed
Agent box 10；After being started using starting switch 26, controller 11 controls entering water electromagnetic valve 6 to intake, and running water is passed through by entering water electromagnetic valve 6
Water inlet pipe 12 enters detergent box 10, and the detergent in detergent box 10 is poured in suspension bucket 4 by adjutage 13, and by hanging
The scrubbed hole 25 of keg float 4 enters interior bucket 24；After the water level of the washings of suspension bucket 4 reaches the position of level sensor 29, water
Level sensor 29 is transferred to controller 11 through its signal, and controller 11 controls entering water electromagnetic valve 6 to close, and water inlet stops；Water inlet stops
After only, the controlled motor 7 of controller 11 drives stirring wheel 2 to rotate, while motor 7 drives suspension bucket 4 to rotate by gear train 8, hangs
The direction that keg float 4 rotates rotates in opposite direction with stirring wheel 2；The clothing of interior bucket 24 follows stirring wheel 2 to rotate, and suspension bucket 4 drives
Dynamic washings opposite direction rotates, and is washed using the water impact clothing of opposite direction, wash time arrives, and controller 11 controls electricity
Machine 7 stops operating；After motor 7 stops operating, controller 11 controls draining pump 5 to take the washings in suspension bucket 4 away, suspension bucket
After washings in 4 are taken away, controller 11 controls entering water electromagnetic valve 6 to intake, when the water level in suspension bucket 4 reaches level sensor
Behind 29 position, level sensor 29 is transferred to controller 11 through its signal, and controller 11 controls entering water electromagnetic valve 6 to close, entered
Water stops；After water inlet stops, the controlled motor 7 of controller 11 drives stirring wheel 2 to rotate, while motor 7 is driven by gear train 8 and hanged
Keg float 4 rotates, and the direction that suspension bucket 4 rotates rotates in opposite direction with stirring wheel 2；The clothing of interior bucket 24 follows stirring wheel 2 to revolve
Turn, suspension bucket 4 drives washings opposite direction to rotate, and carried out water cleaning using the water impact clothing of opposite direction, and crossed water cleaning
Time arrives, and the controlled motor 7 of controller 11 stops operating；After motor 7 stops operating, controller 11 controls draining pump 5 by suspension bucket 4
Interior water is taken away；After clean water is taken away, the controlled motor 7 of controller 11 drives suspension bucket 4 to rotate dehydration, will be suspended using centrifugal force
The water of the clothing of interior bucket 24 of bucket 4 is got rid of away；While suspension bucket 4 is rotated and is dehydrated, controller 11 controls the clutch of electromagnetic clutch 39,
Stirring wheel 2 stops operating；After draining pump 5 takes the water in suspension bucket 4 away, the controlled motor 7 of controller 11 stops operating, laundry stream
Journey is completed.
When suspension bucket 4 rotates, after electromagnet 21 is powered, the pole of magnetic pole caused by electromagnet 21 and the magnetic pole of fixed magnet 22
Property it is identical, the polarity of the magnetic pole of upper surface 37 of electromagnet 21 is identical with the polarity of the magnetic pole of lower surface 36 of fixed magnet 22, fixed
Magnet 22 produces mutually exclusive repulsive force with electromagnet 21；Suspension bucket 4 is mutually exclusive in fixed magnet 22 and electromagnet 21
Repulsive force acts on low suspension above electromagnet 21, and the upper surface 37 of electromagnet 21 is in non-with the lower surface 36 of fixed magnet 22
Contact condition, reduce the frictional force of the rotation of suspension bucket 4.
In order to avoid drinking-water pipe 14 and its pump mouth 35 hinder suspension bucket 4 to rotate, suspension bucket 4 does not suspend and not rotated
When, at the surface of the outer barrel 23 of the drinking-water pipe 14 of draining pump 5 and its pump mouth 35 and suspension bucket 4, interior bucket 24 and groove 48
In contactless state；When suspension bucket 4 suspends and rotated, the drinking-water pipe 14 of draining pump 5 and its pump mouth 35 and suspension bucket 4
The surface of outer barrel 23, interior bucket 24 and groove 48 is maintained at contactless state.
In order to which the clean situation implemented according to clothing selected Water flow-path, controller 11 was provided with Water flow-path control button,
For controlling Water flow-path to cross the number of water；The number that Water flow-path selected water according to the dirt degree of clothing is crossed, crosses Water flow-path
Crossing the number of water is included once, either secondary or three times.
In order to implement to drain the water in suspension bucket 4, when draining pump 5 draws water, the water of the outer barrel die cavity 26 of suspension bucket 4 is taken away
Afterwards, its signal is transferred to controller 11 by the discharge level sensor 34 located at the bottom of suspension bucket 4, and controller 11 controls draining pump
5 stop pumping.
When the controlled motor 7 of controller 11 drives the rotation of stirring wheel 2, controller 11 controls electromagnet 21 to be powered, electromagnet 21
Produce with the identical polarity of fixed magnet 22, suspension bucket 4 in the presence of electromagnet 21 and the same polarity repulsive force of fixed magnet 22,
Suspension bucket 4 rises along motor shaft 20, the upper surface 37 of electromagnet 21 is in non-contact shape with the lower surface 36 of fixed magnet 22
State, reduce the frictional force of the rotation of suspension bucket 4.
In order to avoid the leak of suspension bucket 4, the axis hole 40 of suspension bucket 4 is provided with sealing ring 41, sealing ring 41 and axis hole 40 and
Motor shaft 20 is tightly connected, motor shaft 20 and the dynamic mating connection of sealing ring 41.
In order to reduce the frictional force of the rotation of suspension bucket 4, suspension bucket 4 is provided with Splashproof cover 42, and Splashproof cover 42 is located on suspension bucket 4
Portion, Splashproof cover 42 are fixedly connected with shell 1, and gap is provided between suspension bucket 4 and Splashproof cover 42, avoids suspension bucket 4 and Splashproof cover
42 frictions；The upper surface of suspension bucket 4 is provided with spin 43, and when suspension bucket 4 does not rotate, spin 43 is in non-contact shape with Splashproof cover 42
State, spin 43 are provided with gap with Splashproof cover 42；When suspension bucket 4 rotates, due to the effect of centrifugal force, rise when suspension bucket 4 rotates,
It is in rolling contact using the spin 43 and Splashproof cover 42 of suspension bucket 4, reduces the frictional force that interior bucket 24 contacts with Splashproof cover 42.
In order to implement the connection of gear train 8 and stirring wheel 2 and suspension bucket 4, gear train 8 is provided with pinion stand 45, pinion stand
45 are fixedly connected with shell 1, and the gear shaft of the first idler gear 16 and the second idler gear 17 passes through bearing and pinion stand 45
Connection, the second idler gear 17 are provided with power transmission shaft 46, and the second idler gear 17 is connected by power transmission shaft 46 and the 3rd idler gear 18
Connect, power transmission shaft 46 is connected by bearing with shell 1.
For laundry with high safety, bung 3 is provided with safe proximity switch 44, when bung 3 is closed, safe proximity switch 44
Close to the interior bucket 24 of suspension bucket 4；When motor 7 drives the rotation of interior bucket 2, when bung 3 is opened, bung 3 leaves safe proximity switch 44,
Its signal is transferred to controller 11 by safe proximity switch 44, and the controlled motor 7 of controller 11 stops operating.
Connected to implement outer barrel die cavity 26 with interior bucket die cavity 27, and clothes washing is clean；Interior bucket 2 is evenly equipped with many
Washing hole 25, the inwall of interior bucket 24 of suspension bucket 4 are provided with many convex sphericals 47, and convex spherical 47 is between washing hole 25；The band of motor 7
When dynamic stirring wheel 2 and suspension bucket 4 rotate, suspension bucket 4 moves in the direction of the clock, and stirring wheel 2 rotates counterclockwise；Or
Person, suspension bucket 4 rotate counterclockwise, and stirring wheel 2 moves in the direction of the clock；The water of the outer barrel die cavity 26 of suspension bucket 4 is by washing
Wash hole 25 and enter interior bucket 24, the clothing impacted in interior bucket 24, meanwhile, clothing and the convex spherical 47 of interior bucket 24 in interior bucket 24 rub
Wipe, be advantageous to clothes washing is clean.
Claims (8)
- A kind of 1. intelligent power saving magnetic suspension washing machine, it is characterised in that：A kind of described intelligent power saving magnetic suspension washing machine includes There is shell（1）, stirring wheel（2）, bung（3）, suspension bucket（4）, draining pump（5）, entering water electromagnetic valve（6）, motor（7）, gear train （8）, magnetic levitation system（9）, detergent box（10）And controller（11）；Bung（3）With shell（1）Connection, stirring wheel installation In suspension bucket（4）It is interior, entering water electromagnetic valve（6）Pass through its water inlet pipe（12）With detergent box（10）Connection, detergent box（10）It is logical Cross its adjutage（13）With suspension bucket（4）Connection, draining pump（5）Pass through its drinking-water pipe（14）With suspension bucket（4）Connection；Motor （7）With stirring wheel（2）Connection, motor（7）Pass through gear train（8）With suspension bucket（4）Connection；Magnetic levitation system（9）Include electricity Magnet（21）And fixed magnet（22）, electromagnet（21）With shell（1）Connection, fixed magnet（22）With suspension bucket（4）Connection, Fixed magnet（22）Positioned at electromagnet（21）Opposite；Suspension bucket（4）Include outer barrel（23）And interior bucket（24）, outer barrel（23） With interior bucket（24）It is fixedly and coaxially connected together, interior bucket（24）Positioned at outer barrel（23）It is interior, interior bucket（24）Provided with washing hole（25）, outside Bucket（23）With interior bucket（24）Between outer barrel die cavity（26）Pass through washing hole（25）With interior bucket（24）Interior bucket die cavity（27）Connection.
- A kind of 2. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described controller（11） Include control panel（28）And level sensor（29）, control panel（28）Provided with starting switch（30）, level sensor （29）Located at suspension bucket（4）Outer barrel die cavity（26）It is interior, level sensor（29）It is installed on drinking-water pipe（14）On, controller（11） Pass through control line and level sensor（29）Connection.
- A kind of 3. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described suspension bucket（4） Inwall be provided with blade（38）, for driving suspension bucket（4）Outer barrel die cavity（26）Water rotate.
- A kind of 4. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described suspension bucket（4） Axis hole（40）Provided with sealing ring（41）.
- A kind of 5. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described suspension bucket（4） Provided with Splashproof cover（42）, Splashproof cover（42）Positioned at suspension bucket（4）Top, Splashproof cover（42）With shell（1）It is fixedly connected.
- A kind of 6. intelligent power saving magnetic suspension washing machine according to claim 5, it is characterised in that：Described suspension bucket（4） Upper surface be provided with spin（43）.
- A kind of 7. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described gear train（8） Provided with pinion stand（45）, pinion stand（45）With shell（1）It is fixedly connected, the first idler gear（16）And second idler gear （17）Gear shaft pass through bearing and pinion stand（45）Connection.
- A kind of 8. intelligent power saving magnetic suspension washing machine according to claim 1, it is characterised in that：Described bung（3）If There is safe proximity switch（44）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787131.8U CN207130490U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent power saving magnetic suspension washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787131.8U CN207130490U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent power saving magnetic suspension washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207130490U true CN207130490U (en) | 2018-03-23 |
Family
ID=61633352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720787131.8U Active CN207130490U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligent power saving magnetic suspension washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207130490U (en) |
-
2017
- 2017-06-29 CN CN201720787131.8U patent/CN207130490U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180531 Address after: 315322 Yang long village, Sinpo Town, Cixi City, Ningbo, Zhejiang Patentee after: China Feilong Home Appliance Group Co., Ltd. Address before: 529040 one of the 7 buildings of the North China oasis oasis in Jianghai District, Jiangmen, Guangdong, 802 Patentee before: Lin Shasha |