CN211142566U - Dry cleaning solvent distillation purification system of drum washing machine - Google Patents

Dry cleaning solvent distillation purification system of drum washing machine Download PDF

Info

Publication number
CN211142566U
CN211142566U CN201921558031.3U CN201921558031U CN211142566U CN 211142566 U CN211142566 U CN 211142566U CN 201921558031 U CN201921558031 U CN 201921558031U CN 211142566 U CN211142566 U CN 211142566U
Authority
CN
China
Prior art keywords
cleaning solvent
shell
dry cleaning
washing machine
drum
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.)
Expired - Fee Related
Application number
CN201921558031.3U
Other languages
Chinese (zh)
Inventor
蒙国春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Jiawa Intelligent Technology Co ltd
Original Assignee
Suzhou Jiawa Intelligent Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Jiawa Intelligent Technology Co ltd filed Critical Suzhou Jiawa Intelligent Technology Co ltd
Priority to CN201921558031.3U priority Critical patent/CN211142566U/en
Application granted granted Critical
Publication of CN211142566U publication Critical patent/CN211142566U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a domestic appliance field. The utility model provides a drum type washing machine's dry-cleaning solvent distillation clean system, include distillation jar, condensing system, oil water separator, dry-cleaning solvent bin and the oil pump that connects gradually through the pipeline, the distillation jar is drum type washing machine's cylinder, the cylinder include rotary cage and suit in the outside drum shell of rotary cage, drum shell is metal material's cavity structure shell, the last heater that installs of drum shell. 1. The utility model realizes the distillation function of the dry cleaning solvent of the existing dry cleaning machine by using the roller of the washing machine, and greatly reduces the volume of the dry cleaning machine by using the roller to replace a distillation cylinder; the utility model discloses remain a large amount of dirty impurity in the cylinder after the distillation purifies, can directly use the running water to carry out self-cleaning, simple, quick, high-efficient.

Description

Dry cleaning solvent distillation purification system of drum washing machine
Technical Field
The utility model relates to the field of household appliances, in particular to a dry-cleaning solvent distillation purification system of a drum washing machine.
Background
The dry cleaner mainly comprises a washing system, a filtering system, a distilling system, a drying and recovering system, a solvent storage cylinder, a pump and a button collector. Wherein, the distillation system comprises a distillation cylinder, a condenser, a solvent-water separator, a pipeline and the like. The distillation cylinder usually comprises a larger cylinder body, and the condenser consists of a spiral circulating tap water cooling coil and a shell cylinder body, so that the distillation system of the dry cleaning machine is huge, the miniaturization cannot be realized, and the household use of the dry cleaning machine becomes a difficult problem. Therefore, how to miniaturize the distillation system of the dry cleaning machine is an important technical problem to be solved for the household use of the dry cleaning machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an use cylinder to carry out distilled dry cleaning solvent distillation system, the utility model provides a following technical scheme:
the utility model provides a drum type washing machine's dry-cleaning solvent distillation clean system, includes distillation jar, condensing system, dry-cleaning solvent bin, oil pump that connect gradually through the pipeline and installs in condensing system's oil water separator, the distillation jar is drum type washing machine's cylinder, the cylinder include the rotary cage and suit in the outside drum shell of rotary cage, drum shell is metal material's cavity structure shell, the last heater that installs of drum shell.
As a preferred scheme of the utility model, the heater is heating rod, solenoid or heating plate.
As another preferable scheme of the utility model, a tap water inlet is installed on the drum shell. Tap water is fed into the roller shell through a tap water inlet of the roller shell, the heater heats the tap water, heat is transferred to the roller shell through water and then transferred to the dry cleaning solvent in the roller, and the dry cleaning solvent absorbs heat and is vaporized to realize the distillation function.
As another preferred embodiment of the present invention, the drum shell is provided with a water full sensor and a water shortage sensor, and the installation height of the water full sensor is higher than that of the water shortage sensor. When the heater heats water, the water is lost, the water level in the heater needs to be monitored in real time, when the water shortage sensor sends a signal, the system controls to feed tap water into the roller shell, and when the water fullness sensor sends a signal, the system controls to stop feeding tap water into the roller shell, so that a proper amount of water is kept in the roller shell.
As another preferred scheme of the utility model, condensing system include motor drive's fan and connect in the distillation condenser of fan air outlet, the distillation condenser includes that shell and seal are installed in the inside evaporimeter refrigeration fin of shell.
As a further preferred embodiment of the present invention, the oil-water separator is provided with an inlet, an oil-out and a water outlet, the inlet of the oil-water separator is installed at the lowest position of the bottom of the housing, the oil-out of the oil-water separator is connected to the dry cleaning solvent storage tank through a pipeline, and the water outlet of the oil-water separator is connected to the blow-off pipe through a pipeline.
As another preferred scheme of the utility model, dry cleaning solvent distillation clean system still includes heat pump system, heat pump system is including compressor, condenser, choke valve and the evaporimeter of establishing ties in proper order, the condenser includes the shell and installs in the inside condenser heating fin of shell, the evaporimeter include the shell with install in the inside evaporimeter cooling fin of shell. The condenser heating fins and the evaporator cooling fins are arranged in the same shell, the condenser heating fins and the shell form a condenser of the heat pump, the evaporator heating fins and the shell form an evaporator of the heat pump, the condenser and the evaporator share the same shell, a throttle valve is arranged between the condenser and the evaporator, and the compressor, the condenser, the throttle valve and the evaporator form a heat pump system. Meanwhile, the shell forms an air duct passage of a condensing system of the washing machine through the isolation of the condenser heating fins and the evaporator cooling fins. The evaporator of the heat pump is used as a distillation condenser of the condensing system, the heat pump system works, so that the temperature of the refrigeration fins of the evaporator in the evaporator is very low, and when gas distilled out of the distilling system passes through the refrigeration fins of the evaporator, dry cleaning solvent gas and water vapor are liquefied and enter the oil-water separator to separate the dry cleaning solvent and the water.
As another preferable embodiment of the present invention, the refrigerant of the heat pump is connected to the connection port of the housing through a pipe.
As a further preferred aspect of the present invention, the drum is connected with tap water, the drum below is connected with the residual-free three-way valve through the pipe installation, the residual-free three-way valve has two outlets, one outlet is connected to the dry cleaning solvent storage tank, and the other outlet is connected to the blow-off pipe. When the washing machine carries out dry cleaning, after the dry cleaning is finished, the dry cleaning solvent is removed from the lower part of the roller, the dry cleaning solvent is directly conveyed to a dry cleaning solvent storage box through one path of output port without a residual three-way valve, when the washing machine carries out distillation of the dry cleaning solvent, a large amount of dirty impurities can be left in the roller after the distillation is finished, tap water can be sent into the roller at this time, the roller is cleaned, and after the cleaning is finished, sewage is directly removed from one path of the residual three-way valve below the roller and connected with a drain pipe. The residue-free three-way valve is a three-way valve which is developed by the people, can drain the liquid in the valve completely, and can not pollute each other, so that the cross contamination can not be caused when the residue-free three-way valve is used for time-sharing drainage of water and dry cleaning solvent.
The utility model has the advantages that:
1. the utility model realizes the distillation function of the dry cleaning solvent of the existing dry cleaning machine by using the roller of the washing machine, and greatly reduces the volume of the dry cleaning machine by using the roller to replace a distillation cylinder;
2. the utility model discloses dry cleaning solvent distillation purification system has improved distillation purification system's condensation efficiency through heat pump system, has further improved distillation purification system's work efficiency;
3. the utility model has the advantages that a great amount of dirty impurities are left in the drum after distillation and purification, and the drum can be directly cleaned automatically by running water, so that the drum is simple, rapid and efficient, and the traditional manual disassembly and maintenance is avoided;
4. the utility model discloses heat pump system among the washing machine can also be used for the stoving of clothes, improves the efficiency that washing machine clothes was dried.
Drawings
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a schematic view of a first perspective three-dimensional structure of the present invention;
fig. 3 is a schematic view of a second perspective three-dimensional structure of the present invention.
The reference numbers in the figures are:
1-washing machine shell 2-drum 21-rotating cage
22-roller shell 23-heating rod 24-water full sensor
25-water shortage sensor 26-residue-free three-way valve 3-dry cleaning solvent storage tank 41-motor 42-fan 43-exhaust pipe
44-evaporator 441-evaporator refrigeration fin 442-oil-water separator
45-condenser 451-condenser heating fin
46-air inlet pipe 5-oil pump 6-compressor
Detailed Description
The process embodiments are described in detail below to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to thereby define the scope of the invention more clearly.
As figure 1 the utility model discloses structure front view, figure 2 the utility model discloses first visual angle spatial structure schematic diagram and figure 3 the utility model discloses second visual angle spatial structure schematic diagram is shown, a drum type washing machine's dry cleaning solvent distillation clean system installs cylinder 2 in the washing machine casing 1, and dry cleaning solvent storage box 3 is installed to cylinder 2 below, and dry cleaning solvent storage box 3 passes through pipe connection in oil pump 5, and in the reconnection cylinder 2, the dry cleaning solvent pump in oil pump 5 will dry cleaning solvent storage box 3 is to cylinder 2. The oil pump 5 is installed at the bottom of the washing machine case 1.
The roller 2 is composed of a rotating cage 21 and a roller shell 22, and the roller shell 22 is made of stainless steel. The roller shell 22 is a cavity structure, that is, the roller shell 22 is not a single-layer cylinder wall, but an inner layer and an outer layer form a cavity structure, tap water is filled in the cavity, two heating rods 23 are respectively installed on two sides of the lower portion of the roller shell 22, a water shortage sensor 25 is installed above the heating rods 23, a water fullness sensor 24 is installed above the water shortage sensor 25, when the system receives a signal of the water shortage sensor 25, it indicates that the water amount in the roller shell 22 is low, the system controls to feed tap water into the cavity of the roller shell 22, and when the system receives a signal of the water fullness sensor, the feeding of tap water into the roller shell 22 is stopped, so that the water level in the roller shell 22 is always kept between the water shortage sensor 25 and the water fullness sensor 24.
The evaporator 44 and the condenser 45 are installed on the upper portion of the drum 2, the evaporator 44 and the condenser 45 are of an integral structure, the evaporator 44 and the condenser 45 share a shell, the evaporator cooling fin 441 and the condenser heating fin 451 are installed in the shell, the evaporator 44 is formed by the evaporator cooling fin 441 and the shell, and the condenser 45 is formed by the condenser heating fin 451 and the shell. The evaporator 45 constitutes the condenser of the condensing system in the distillation purification system, i.e. the evaporator 44 of the heat pump is at the same time the condenser of the distillation system. The evaporator 44 has a fan 42 mounted at one end thereof, and a motor 41 mounted on the fan, wherein the motor 41 drives the fan 42 to rotate. An air inlet of a fan 42 is connected to the roller 2 through an exhaust pipe 43, an air outlet of the fan 42 is connected to an air inlet of an evaporator 44, an evaporator refrigerating fin 441 is arranged in the evaporator 44, an oil-water separator 442 is arranged at the lowest point of the bottom of a shell of the distillation condenser 44, the oil-water separator 442 is provided with an oil outlet and a water outlet, the oil outlet is connected to the dry cleaning solvent storage box 3 through a pipeline, the dry cleaning solvent is directly guided into the dry cleaning solvent storage box, and the water outlet is connected to a drain pipe through a pipeline and is directly discharged to the outside of the washing.
The condenser 45 is provided with a condenser heating fin 451, one side of the condenser 45 is provided with an air outlet, and an air outlet of the shell of the condenser 45 is connected to the drum 2. The bottom of the washing machine housing 1 is provided with a compressor 6, and the compressor 6, a condenser 445, a throttle valve and an evaporator 44 constitute a heat pump system.
The bottom of the roller 2 is provided with a liquid accumulation groove, the liquid accumulation groove is connected with a residue-free three-way valve 26 towards the outside of the roller, the residue-free three-way valve 26 is provided with two paths of discharge, one path of discharge is connected with the dry cleaning solvent storage tank 3,
when the washing machine performs dry cleaning, the dry cleaning solvent is directly discharged to the dry cleaning solvent storage box 3, the other path of discharge of the residue-free three-way valve 26 is connected to the sewage discharge pipe, when the washing machine performs water washing, or when dirty impurities during distillation of the dry cleaning solvent are removed, or when the washing machine performs self-cleaning, the produced dirty water is directly sent to the sewage discharge pipe through the residue-free three-way valve 26, and is discharged to the outside of the washing machine through the sewage discharge pipe.
When the heat pump system works, a refrigerant is compressed and converted into high-temperature and high-pressure refrigerant gas through the compressor 6, the high-temperature and high-pressure refrigerant gas firstly passes through the condenser 45, heat is released through the condenser radiating fins 451, the refrigerant is cooled and liquefied to form high-pressure liquid refrigerant, the refrigerant is liquefied and then passes through the throttle valve to form low-temperature and low-pressure liquid refrigerant, the liquid of the low-temperature and low-pressure liquid refrigerant is vaporized to become gas when passing through the evaporator 44, a large amount of heat can be absorbed, the temperature of the evaporator cooling fins 441 of the evaporator 44 is very low, the vaporized refrigerant passes through the compressor 6 to form high-temperature and high-pressure gaseous refrigerant, and.
The utility model discloses distillation clean system's wind channel route does: the steam in the drum 2 is pumped by the fan 42, passes through the fan 42 by the exhaust pipe 43, enters the evaporator 44, the evaporator 44 is a distillation condenser of the distillation purification system, the steam is liquefied in the evaporator 44, the dry-cleaning solvent and/or moisture in the steam is liquefied and separated, the dry-cleaning solvent and/or moisture flows into the oil-water separator 442 from the bottom of the shell of the evaporator 44, the moisture flows to the drain pipe from the water outlet of the oil-water separator 442, and the dry-cleaning solvent flows into the dry-cleaning solvent storage tank from the oil outlet of the oil-water separator 442. The air after condensation and liquid removal continues to flow, is heated by the condenser heating fins 451 of the condenser 45, and then enters the drum 2 again through the air inlet pipe 46, thereby forming a closed internal circulation.
The dry cleaning solvent distillation purification regeneration process is a totally closed cycle. When the dry cleaning solution is too much in impurity, the water quality sensor at the bottom of the dry cleaning solvent storage tank 3 can prompt that the dry cleaning solution needs distillation and purification at an operation interface. At this time, the inside of the drum 2 of the washing machine is empty of laundry. After clicking a distillation purification button on the washing machine, the washing machine performs the following actions: the oil discharge valve and the top oil feed valve of the dry cleaning solvent storage tank 3 are simultaneously opened, the oil pump 5 is turned on to pump the dry cleaning solvent in the dry cleaning solvent storage tank 3 into the drum shell 22, the oil discharge valve and the oil feed valve are closed, and the motor stops pumping. The heating rod 23 on the drum shell 22 starts to heat, when the temperature in the drum 2 reaches 40 ℃, the fan 42 and the heat pump start to operate, the gas after the solvent distillation and gasification is pumped out from the rear part, the damp and hot dry cleaning solvent gas is liquefied when meeting cold when passing through the evaporator refrigeration fin 441, then passes through the oil-water separator 442 at the bottom, the purified dry cleaning solvent is guided back to the dry cleaning solvent storage tank 3, and the waste water flows to the drain pipe. The dry cool air after liquid removal continues to travel forward, is heated when flowing through the heating fins 451 of the condenser in the air duct, and is blown into the interior of the drum 2 from the front drum curtain. When the temperature in the drum shell reaches 130 ℃, the heating rod 23 of the drum shell 22 is changed to be intermittently heated, the temperature in the drum 2 is kept between 90 and 180 ℃, and the high temperature can ensure that the dry cleaning solvent is continuously boiled and evaporated. Meanwhile, the rotating cage 21 rotates positively and negatively to play a role of stirring the dry cleaning solvent and accelerate the evaporation speed of the solvent. When the humidity sensor in the air duct senses that the air flowing through the air duct is dry, the evaporation action of distillation purification is finished. At the moment, the washing machine enters a process of cleaning solid dirt remained on the four walls of the barrel after the dry cleaning fluid is evaporated by tap water. At the moment, tap water only enters from the pipeline of the fan filter screen, and the lint dust on the air duct filter screen can be washed clean. Stopping water inflow when the water inflow height just exceeds the bottom of the roller by 10 mm upwards, heating the outer shell of the outer barrel while water inflow, keeping the temperature between 80 and 100 ℃, rotating the roller, vibrating the ultrasonic vibrator, operating the circulating fan, operating the ozone generator and operating the ultrasonic wave. After a duration of 2 minutes, the self-cleaning process was complete. After the heating of the heating rod 23 of the roller shell 2 is finished, the ozone stops, the negative ions stop, the electrode 41 continues to drive the fan 42 to circulate, and the roller 2 continues to rotate. Normal temperature tap water is pressurized by a high-pressure water pump and then is sprayed out from a spray pipe at the front end of the refrigeration fin of the heat pump evaporator, so that fine dust on the refrigeration fin of the evaporator is washed away, and meanwhile, the temperature of hot air flowing through is reduced. The flushed tap water and dust are communicated to the water drain pipe of the oil-water separator 442 through the water dividing valve in the oil-water separator and then flow into the sewer pipeline. And (3) continuously acting until the temperature in the roller 2 is reduced to 40 ℃, the high-pressure water for cleaning the pipeline stops spraying water for flushing, a drain valve at the bottom of the roller 2 is opened, and the wastewater is discharged into a sewer pipeline. After the water is drained, the rotation of the drum 2 is stopped, and the fan 42 is stopped after continuing to operate for 1 minute. After the program is finished, the door lock is unlocked, and the washing machine completes the distillation purification of the dry cleaning solvent and the self-cleaning disinfection of the roller.
The above description is only one of the embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be covered by the present invention without changing or replacing the embodiments as contemplated by the inventive work within the technical scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (9)

1. The utility model provides a drum type washing machine's dry-cleaning solvent distillation clean system, includes distillation jar, condensing system, dry-cleaning solvent storage tank, oil pump and install in condensing system's oil water separator that connect gradually through the pipeline which characterized in that: the distillation cylinder is a drum of a drum washing machine, the drum comprises a rotating cage and a drum shell sleeved outside the rotating cage, the drum shell is a cavity structure shell made of metal materials, and a heater is installed on the drum shell.
2. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 1, characterized in that: the heater is a heating rod, an electromagnetic coil or a heating plate.
3. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 1, characterized in that: and a tap water inlet is arranged on the roller shell.
4. A dry-cleaning solvent distillation purification system for drum washing machine according to claim 3, characterized in that: the drum is characterized in that a water full sensor and a water shortage sensor are mounted on the drum shell, and the mounting height of the water full sensor is higher than that of the water shortage sensor.
5. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 1, characterized in that: the condensing system comprises a fan driven by a motor and a distillation condenser connected to an air outlet of the fan, and the distillation condenser comprises a shell and evaporator refrigeration fins installed inside the shell in a sealing mode.
6. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 5, characterized in that: the oil-water separator is provided with a liquid inlet, an oil outlet and a water outlet, the liquid inlet of the oil-water separator is installed at the lowest position of the bottom of the shell, the oil outlet of the oil-water separator is connected with the dry cleaning solvent storage tank through a pipeline, and the water outlet of the oil-water separator is connected with the sewage discharge pipe through a pipeline.
7. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 1, characterized in that: the dry cleaning solvent distillation purification system still includes heat pump system, heat pump system is including compressor, condenser, choke valve and the evaporimeter that establishes ties in proper order, the condenser includes the shell and installs in the inside condenser heating fin of shell, the evaporimeter include the shell with install in the inside evaporimeter refrigeration fin of shell.
8. The dry cleaning solvent distillation purification system for drum washing machine according to claim 7, characterized in that: and the refrigerant of the heat pump is connected to the connecting port of the shell through a pipeline.
9. The dry cleaning solvent distillation purification system of a drum washing machine according to claim 1, characterized in that: the dry cleaning solvent storage tank is characterized in that the roller is connected with tap water, a residue-free three-way valve is connected to the lower side of the roller through pipeline installation, the residue-free three-way valve is provided with two output ports, one output port is connected to the dry cleaning solvent storage tank, and the other output port is connected to a drain pipe.
CN201921558031.3U 2019-09-19 2019-09-19 Dry cleaning solvent distillation purification system of drum washing machine Expired - Fee Related CN211142566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921558031.3U CN211142566U (en) 2019-09-19 2019-09-19 Dry cleaning solvent distillation purification system of drum washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921558031.3U CN211142566U (en) 2019-09-19 2019-09-19 Dry cleaning solvent distillation purification system of drum washing machine

Publications (1)

Publication Number Publication Date
CN211142566U true CN211142566U (en) 2020-07-31

Family

ID=71759704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921558031.3U Expired - Fee Related CN211142566U (en) 2019-09-19 2019-09-19 Dry cleaning solvent distillation purification system of drum washing machine

Country Status (1)

Country Link
CN (1) CN211142566U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944036A (en) * 2021-10-21 2022-01-18 常州弘涤机械科技发展有限公司 Rotating cage volume adjustable washing, dry cleaning and drying integrated machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113944036A (en) * 2021-10-21 2022-01-18 常州弘涤机械科技发展有限公司 Rotating cage volume adjustable washing, dry cleaning and drying integrated machine
CN113944036B (en) * 2021-10-21 2023-12-12 常州弘涤机械科技发展有限公司 Washing, dry cleaning and drying integrated machine with adjustable rotating cage volume

Similar Documents

Publication Publication Date Title
CN102517860B (en) Drying system and the thread waste clearing method for same of drying system
CN105624967B (en) A kind of drying washing machine with laundry care function
WO2007013277A1 (en) Drum-type washer/dryer
CN105648718A (en) Drying washing machine with clothes caring function and control method of drying washing machine
CN107641947A (en) Heat pump heat exchanging system, heat pump washing-drying integral machine or dryer, auto-cleaning method
CN103361940A (en) Household dry cleaner and dry cleaning method
CN109126172A (en) A kind of novel intelligent environmental protection and energy saving multi-effect evaporator
CN201448953U (en) Air-cooled type small and medium-sized central air-conditioner water chiller-heater unit
CN107815835B (en) High-efficiency condenser and washing machine with same
CN211142566U (en) Dry cleaning solvent distillation purification system of drum washing machine
CN105624974B (en) A kind of laundry care method and laundry care device
JP4107548B2 (en) Dry cleaning process using rotating basket agitation
CN105624991B (en) It is a kind of that there is the washing machine of laundry care
KR101151630B1 (en) Evaporating apparatus of heat pump for recycling waste heat
CN207779166U (en) A kind of thermal power generation condenser that can be cleaned automatically
CN1183493A (en) Dry cleaning machine
KR100743977B1 (en) Apparatus for recovering oil
CN215668636U (en) Clothes dryer
CN212247530U (en) Dry-cleaning and washing independent-separated integrated double-drum washing machine
CN212961908U (en) Window type air conditioner
CN101092784B (en) Washing dryer
CN211142542U (en) Washing machine with one drum shared by water washing and dry cleaning
CN112471996A (en) Energy-saving air dish washer
CN206291445U (en) Air-conditioner
CN110541276A (en) Dry-cleaning and washing independent-separated integrated double-drum washing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731

Termination date: 20210919

CF01 Termination of patent right due to non-payment of annual fee