CN111852727A - Household hydroelectric generation device for generating power by using kitchen sewage - Google Patents

Household hydroelectric generation device for generating power by using kitchen sewage Download PDF

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Publication number
CN111852727A
CN111852727A CN202010676642.9A CN202010676642A CN111852727A CN 111852727 A CN111852727 A CN 111852727A CN 202010676642 A CN202010676642 A CN 202010676642A CN 111852727 A CN111852727 A CN 111852727A
Authority
CN
China
Prior art keywords
sewage
kitchen
transverse
generation device
electric quantity
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.)
Withdrawn
Application number
CN202010676642.9A
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Chinese (zh)
Inventor
李茜
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.)
Hebei Dongshi Technology Co ltd
Original Assignee
Hebei Dongshi 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 Hebei Dongshi Technology Co ltd filed Critical Hebei Dongshi Technology Co ltd
Priority to CN202010676642.9A priority Critical patent/CN111852727A/en
Publication of CN111852727A publication Critical patent/CN111852727A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/18Sinks, whether or not connected to the waste-pipe
    • E03C1/182Sinks, whether or not connected to the waste-pipe connected to the waste-pipe
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1423Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/50Hydropower in dwellings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

The invention discloses a household hydroelectric generation device for generating power by utilizing kitchen sewage, which comprises a kitchen vegetable washing basin body, wherein a sewage solid-liquid separation mechanism is arranged on the kitchen vegetable washing basin body, a hydroelectric generation mechanism is arranged below the sewage solid-liquid separation mechanism, an electric quantity storage mechanism is arranged on the right side of the hydroelectric generation mechanism, and an alarm mechanism and a controller are arranged on the kitchen vegetable washing basin body; the sewage solid-liquid separation mechanism comprises a sewage discharge pipe, a sewage storage tank, a transverse fixing plate, a vertical connecting rod, an opening, a transverse small hole partition net, a hinge, a movable baffle, a sealing strip, a transverse connection placing plate I and a water inlet pipe; the hydroelectric generation mechanism comprises a drain pipe, a first electromagnetic one-way valve, a flow control valve, a water drainage bucket, a transverse connection placing plate II, a generator, a coupler, a fixed bearing, a driving shaft, a rotating wheel, a switch valve, a fixed buckle, a fixed clamping groove, a drainage storage box and a second electromagnetic one-way valve. The invention has the advantages of simple structure and strong practicability.

Description

Household hydroelectric generation device for generating power by using kitchen sewage
Technical Field
The invention relates to the field of hydroelectric power generation equipment, in particular to a household hydroelectric power generation device for generating power by using kitchen sewage.
Background
In the existing life, people often can produce some domestic sewage in life, and general people all directly discharge, thus causing great pollution to the environment and being great waste, and can also produce some waste water in high-rise buildings usually, for example, rainwater and other waste water accumulated in high-rise buildings can collect sewage for power generation and convert the sewage into electric energy, and the water resource is fully utilized.
Disclosure of Invention
The invention aims to solve the problems and designs a household hydroelectric generation device for generating power by using kitchen sewage.
The technical scheme of the invention is that the household hydroelectric generation device for generating power by using kitchen sewage comprises a kitchen vegetable washing basin body, wherein the kitchen vegetable washing basin body is arranged in a cabinet, a sewage solid-liquid separation mechanism is arranged on the kitchen vegetable washing basin body, a hydroelectric generation mechanism is arranged below the sewage solid-liquid separation mechanism, an electric quantity storage mechanism is arranged on the right side of the hydroelectric generation mechanism, and an alarm mechanism and a controller are arranged on the kitchen vegetable washing basin body;
the sewage solid-liquid separation mechanism comprises a sewage discharge pipe arranged below a kitchen vegetable washing basin body, a sewage storage box is arranged below the sewage discharge pipe, a transverse fixing plate is arranged on the right side of the sewage storage box, a vertical connecting rod is arranged on the transverse fixing plate, an opening is formed in the left side of the sewage storage box, a transverse small hole separation net is arranged in the opening, two hinges are arranged on the opening, a movable baffle is arranged below the hinges, a sealing strip is arranged between the movable baffle and the transverse small hole separation net, a transverse connecting placing plate I is arranged on the right side of the sewage storage box, and a water;
The hydroelectric generation mechanism comprises a drain pipe arranged below a sewage storage tank, a first electromagnetic check valve is arranged on the drain pipe, a flow control valve is arranged below the first electromagnetic check valve, a drain bucket is arranged below the drain pipe, a transverse connecting placing plate II is arranged on the right side of the drain bucket, a generator with a left rotating end is arranged above the transverse connecting placing plate II, a coupler is arranged at the rotating end of the generator, a fixed bearing is arranged on the left side of the coupler, and a driving shaft is arranged on the left side of the fixed bearing, the driving shaft extends into the drainage bucket, a rotating wheel is arranged on the driving shaft, a switch valve is arranged below the drainage bucket, a fixing buckle is arranged below the switch valve, a fixing clamping groove is formed in the fixing buckle and movably connected with the fixing buckle, a drainage storage box is arranged below the fixing clamping groove, a second electromagnetic check valve is arranged on the right side of the drainage storage box, and the water outlet end of the second electromagnetic check valve is connected with a municipal sewer;
the electric quantity stores the mechanism and is equipped with transverse connection board, transverse connection board's top including being located electric quantity bin, the electric quantity bin of cupboard is equipped with storage battery one, the upper left side of electric quantity bin is equipped with charge interface one, charge interface one and be equipped with the electric wire between the generator, the electric wire is equipped with charging plug with charge interface one junction, transverse connection board's below is equipped with storage battery two, the left side below of electric quantity bin is equipped with charge interface two.
The alarm mechanism comprises an alarm box arranged above the cabinet, two electric quantity display screens are arranged in the alarm box, a buzzer is arranged in the alarm box, and a stop alarm button is arranged in the alarm box.
The two electric quantity display screens are electrically connected with the storage battery pack I and the storage battery pack II respectively.
And the controller is provided with a capacitive display screen, a PLC control system and an electricity utilization interface.
The power utilization interface is electrically connected with the electromagnetic one-way valve I, the flow control valve, the electromagnetic one-way valve II, the electric quantity display screen, the buzzer, the stop alarm button and the controller.
The controller is electrically connected with the first electromagnetic one-way valve, the flow control valve, the second electromagnetic one-way valve, the electric quantity display screen, the buzzer and the stop alarm button.
The generator is electrically connected with the storage battery pack I and the storage battery pack II.
The four corners below the electric quantity storage box are provided with universal wheels.
And the transverse small hole separation net is provided with a handle.
And waterproof protective shells are arranged on the alarm box and the controller.
According to the household hydroelectric generation device for generating power by utilizing kitchen sewage, the sewage is stored by cleaning fixed wastes in the kitchen sewage through the sewage solid-liquid separation mechanism, the rotating end of the generator is driven to rotate to generate power by falling of the sewage, two storage batteries are arranged in the electric quantity storage tank, the storage batteries are replaced to charge when one storage battery is fully charged, water resources are fully utilized, and the storage batteries are used for supplying power and saving electricity.
Drawings
FIG. 1 is a schematic structural diagram of a household hydroelectric power generation device for generating power by using kitchen sewage;
FIG. 2 is a schematic structural diagram of a sewage solid-liquid separation mechanism according to the present invention;
FIG. 3 is a schematic structural view of a hydroelectric power generating mechanism according to the present invention;
FIG. 4 is a schematic diagram of the electrical storage mechanism of the present invention;
FIG. 5 is a schematic view of the alarm mechanism of the present invention;
FIG. 6 is a schematic diagram of the controller of the present invention;
in the figure, 1, a kitchen vegetable washing basin body; 2. a cabinet; 3. a sewage discharge pipe; 4. a sewage storage tank; 5. a transverse fixing plate; 6. a vertical connecting rod; 7. an opening; 8. a transverse small hole separation net; 9. a hinge; 10. a movable baffle; 11. a sealing strip; 12. the first placing plate is transversely connected; 13. a water inlet pipe; 14. a drain pipe; 15. a first electromagnetic one-way valve; 16. a flow control valve; 17. a drainage bucket; 18. the second placing plate is transversely connected; 19. a generator; 20. a coupling; 21. fixing the bearing; 22. a drive shaft; 23. a rotating wheel; 24. opening and closing the valve; 25. fixing the buckle; 26. fixing the clamping groove; 27. a drain storage tank; 28. a second electromagnetic one-way valve; 29. an electric quantity storage tank; 30. a transverse connecting plate; 31. a first storage battery pack; 32. a first charging interface; 33. an electric wire; 34. a charging plug; 35. a second storage battery pack; 36. a second charging interface; 37. an alarm box; 38. an electric quantity display screen; 39. a buzzer; 40. a stop alarm button; 41. a controller; 42. a capacitive display screen; 43. a PLC control system; 44. an electricity utilization interface; 45. a universal wheel; 46. a handle; 47. waterproof protective housing.
Detailed Description
The invention is described in detail below with reference to the drawings, which are shown in fig. 1-6.
In the embodiment, in the first step, sewage generated during washing dishes is discharged into the sewage storage tank 4 through the sewage discharge pipe 3, the sewage can pass through the transverse small hole separation net 8 in the falling process, solid waste in the sewage is remained above the transverse small hole separation net 8, the sewage after solid waste filtration is stored in the sewage storage tank 4 through the transverse small hole separation net 8, the movable baffle plate 10 is opened through the handle 46 when the solid waste on the transverse small hole separation net 8 is more, the transverse small hole separation net 8 is firstly moved upwards through the handle 46 on the transverse small hole separation net 8, the transverse small hole separation net 8 is moved out from the vertical connecting rod 6, the transverse small hole separation net 8 is moved out from the sewage storage tank 4 through the opening 7 to clean the solid waste on the transverse small hole separation net 8, the transverse small hole separation net 8 is placed to slide off the transverse fixing plate 5 through the arrangement of the vertical connecting rod 6, the provision of the sealing strip 11 prevents sewage from splashing out of the opening 7.
Secondly, the controller 41 starts the first electromagnetic one-way valve 15, the first electromagnetic one-way valve 15 starts sewage to fall through the drain pipe 14, the flow control valve 46 controls sewage discharge amount, the rotating wheel 23 is driven to rotate in the sewage falling process, the rotating wheel 23 drives the driving shaft 22 and the fixed bearing 21 to rotate, the fixed bearing 21 drives the coupler 20 on the rotating end of the generator 19 to rotate, the generator 19 generates electricity through rotation of the rotating end, the sewage flows into the drain storage tank 27 through the drain bucket 17 and then flows into a municipal sewer through the second electromagnetic one-way valve 28 to be discharged, if electricity generation is required to be continued and water resources are not wasted, the controller 41 closes the second electromagnetic one-way valve 28 to not discharge the sewage, then closes the switch valve 24, separates the fixed clamping groove 26 and the fixed buckle 25 on the drain storage tank 27, the drain storage tank 27 is placed on the first transverse connection placing plate 12, and connects the second electromagnetic one-way valve 28 with, sewage flows into the sewage storage tank 4 through the second electromagnetic check valve 28 and the water inlet pipe 13 and then is generated through the hydraulic power generation mechanism, the water resource is fully utilized for power generation, and water and electricity are saved.
Thirdly, an electric wire 33 and a charging plug 34 on the generator 19 are connected with the first charging interface 32, electricity generated by the generator 19 passes through the electric wire 33 and the charging plug 34 to the first storage battery pack 31, the buzzer 39 is started when the electric quantity display screen 42 displays that the electric quantity is full, the buzzer 39 gives an alarm to remind a user that the electricity is full, the user stops the buzzer 39 to give an alarm through the stop alarm button 40, the charging plug 34 is disconnected with the first charging interface 32, the charging plug 34 is connected with the second charging interface 36 to charge the second storage battery pack 35, sewage is fully utilized to generate electricity, the user can move the electric quantity storage box 29 through a universal wheel 45 below the electric quantity storage box 29, and where electricity needs to be placed is convenient to move and use.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (10)

1. A household hydroelectric generation device for generating power by using kitchen sewage comprises a kitchen vegetable washing basin body (1) and is characterized in that the kitchen vegetable washing basin body (1) is installed in a cabinet (2), a sewage solid-liquid separation mechanism is arranged on the kitchen vegetable washing basin body (1), a hydroelectric generation mechanism is arranged below the sewage solid-liquid separation mechanism, an electric quantity storage mechanism is arranged on the right side of the hydroelectric generation mechanism, and an alarm mechanism and a controller (41) are arranged on the kitchen vegetable washing basin body (1);
The sewage solid-liquid separation mechanism comprises a sewage discharge pipe (3) arranged below a kitchen vegetable washing basin body (1), a sewage storage box (4) is arranged below the sewage discharge pipe (3), a transverse fixing plate (5) is arranged on the right side of the sewage storage box (4), a vertical connecting rod (6) is arranged on the transverse fixing plate (5), an opening (7) is arranged on the left side of the sewage storage box (4), a transverse small-hole partition net (8) is arranged in the opening (7), two hinges (9) are arranged on the opening (7), a movable baffle (10) is arranged below the hinges (9), a sealing strip (11) is arranged between the movable baffle (10) and the transverse small-hole partition net (8), a transverse connecting placing plate I (12) is arranged on the right side of the sewage storage box (4), and a water inlet pipe (13);
the hydroelectric generation mechanism comprises a drain pipe (14) arranged below a sewage storage tank (4), a first electromagnetic one-way valve (15) is arranged on the drain pipe (14), a flow control valve (16) is arranged below the first electromagnetic one-way valve (15), a drain barrel (17) is arranged below the drain pipe (14), a transverse connection placing plate (18) is arranged on the right side of the drain barrel (17), a generator (19) with a left rotating end is arranged above the transverse connection placing plate (18), a coupler (20) is arranged on the rotating end of the generator (19), a fixed bearing (21) is arranged on the left side of the coupler (20), a driving shaft (22) is arranged on the left side of the fixed bearing (21), the driving shaft (22) extends into the drain barrel (17), a rotating wheel (23) is arranged on the driving shaft (22), a switch valve (24) is arranged below the drain barrel (17), and a fixed buckle (25) is arranged below, A fixed clamping groove (26) is arranged on the fixed buckle (25), the fixed clamping groove (26) is movably connected with the fixed buckle (25), a drainage storage box (27) is arranged below the fixed clamping groove (26), a second electromagnetic check valve (28) is arranged on the right side of the drainage storage box (27), and the water outlet end of the second electromagnetic check valve (28) is connected with a municipal sewer;
Electric quantity storage mechanism is equipped with transverse connection board (30) including electric quantity bin (29) that are located cupboard (2), in electric quantity bin (29), the top of transverse connection board (30) is equipped with storage battery (31), the upper left side of electric quantity bin (29) is equipped with charge interface one (32), it is equipped with electric wire (33) to charge between interface one (32) and generator (19), electric wire (33) and charge interface one (32) junction are equipped with charging plug (34), the below of transverse connection board (30) is equipped with storage battery two (35), the left side below of electric quantity bin (29) is equipped with charge interface two (36).
2. A household hydroelectric power generation device utilizing kitchen sewage to generate power according to claim 1, wherein the alarm mechanism comprises an alarm box (37) arranged above the cabinet (2), two power display screens (38) are arranged in the alarm box (37), a buzzer (39) is arranged in the alarm box (37), and a stop alarm button (40) is arranged in the alarm box (37).
3. A household hydroelectric power generation device utilizing kitchen sewage to generate electricity according to claim 1, wherein the two electric quantity display screens (38) are electrically connected with the first storage battery pack (31) and the second storage battery pack (35), respectively.
4. A household hydroelectric power generation device utilizing kitchen sewage to generate power according to claim 1, wherein the controller (41) is provided with a capacitive display screen (42), a PLC control system (43) and a power utilization interface (44).
5. The household hydroelectric power generation device utilizing kitchen sewage to generate power according to claim 1, wherein the power utilization interface (44) is electrically connected with a first electromagnetic check valve (15), a flow control valve (16), a second electromagnetic check valve (28), a power display screen (38), a buzzer (39), a stop alarm button (40) and a controller (41).
6. The household hydroelectric power generation device utilizing kitchen sewage to generate power as claimed in claim 1, wherein the controller (41) is electrically connected with the first electromagnetic check valve (15), the flow control valve (16), the second electromagnetic check valve (28), the electric quantity display screen (38), the buzzer (39) and the stop alarm button (40).
7. A household hydroelectric power generation device utilizing kitchen waste water to generate electricity according to claim 1, wherein the generator (19) is electrically connected with the first storage battery pack (31) and the second storage battery pack (35).
8. A household hydroelectric power generation device utilizing kitchen sewage to generate electricity according to claim 1, wherein universal wheels (45) are arranged at four lower corners of the electricity storage tank.
9. A domestic hydroelectric power generation apparatus comprising kitchen waste water and according to claim 1, wherein said transverse perforate spacer mesh (8) is provided with a handle (46).
10. A domestic hydroelectric power generation device utilizing kitchen sewage to generate electricity according to claim 1, wherein a waterproof protective casing (47) is arranged on each of the alarm box (37) and the controller (41).
CN202010676642.9A 2020-07-14 2020-07-14 Household hydroelectric generation device for generating power by using kitchen sewage Withdrawn CN111852727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010676642.9A CN111852727A (en) 2020-07-14 2020-07-14 Household hydroelectric generation device for generating power by using kitchen sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010676642.9A CN111852727A (en) 2020-07-14 2020-07-14 Household hydroelectric generation device for generating power by using kitchen sewage

Publications (1)

Publication Number Publication Date
CN111852727A true CN111852727A (en) 2020-10-30

Family

ID=72983880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010676642.9A Withdrawn CN111852727A (en) 2020-07-14 2020-07-14 Household hydroelectric generation device for generating power by using kitchen sewage

Country Status (1)

Country Link
CN (1) CN111852727A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114568850A (en) * 2022-03-07 2022-06-03 广东佳居乐家居科技有限公司 Remote instant control intelligent cabinet and control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114568850A (en) * 2022-03-07 2022-06-03 广东佳居乐家居科技有限公司 Remote instant control intelligent cabinet and control system

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Application publication date: 20201030

WW01 Invention patent application withdrawn after publication