CN114459079B - Purifying air conditioning unit and control method thereof - Google Patents

Purifying air conditioning unit and control method thereof Download PDF

Info

Publication number
CN114459079B
CN114459079B CN202210156757.4A CN202210156757A CN114459079B CN 114459079 B CN114459079 B CN 114459079B CN 202210156757 A CN202210156757 A CN 202210156757A CN 114459079 B CN114459079 B CN 114459079B
Authority
CN
China
Prior art keywords
chamber
driving
filter belt
virus
piece
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.)
Active
Application number
CN202210156757.4A
Other languages
Chinese (zh)
Other versions
CN114459079A (en
Inventor
张志辉
张砾
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.)
Zhejiang Kaizhou Electrical And Mechanical Engineering Co ltd
Original Assignee
Zhejiang Kaizhou Electrical And Mechanical Engineering 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 Zhejiang Kaizhou Electrical And Mechanical Engineering Co ltd filed Critical Zhejiang Kaizhou Electrical And Mechanical Engineering Co ltd
Priority to CN202210156757.4A priority Critical patent/CN114459079B/en
Publication of CN114459079A publication Critical patent/CN114459079A/en
Application granted granted Critical
Publication of CN114459079B publication Critical patent/CN114459079B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Thermal Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention discloses a purifying air conditioning unit and a control method thereof, wherein the purifying air conditioning unit comprises a shell, an air inlet chamber, a first disinfection chamber, a surface cooling chamber, a heating chamber, a fan chamber, a second disinfection chamber and an air outlet chamber are arranged in the shell; a self-cleaning filter assembly is arranged in the second disinfection cavity and comprises a controller, a driving piece, an anti-virus filter belt, a driving gear, a driven gear, a pressing piece and a first ultraviolet sterilizer; the driving output end of the driving piece is connected with the wheel center of the driving gear; the wheel center of the driving gear is fixedly provided with a first winding drum, the wheel center of the driven gear is fixedly provided with a second winding drum, and gear teeth of the driving gear are meshed with gear teeth of the driven gear for transmission; two ends of the virus-proof filter belt are respectively wound on the first winding drum and the second winding drum; the anti-virus filter belt can slidably bypass the pressing piece; a humidity detection assembly is arranged below the communication port; the first ultraviolet sterilizer is fixedly arranged above the pressing piece and the second winding drum. The invention realizes the self-cleaning of the anti-virus filter belt.

Description

Purifying air conditioning unit and control method thereof
Technical Field
The invention relates to the technical field of purifying air conditioners, in particular to a purifying air conditioner unit and a control method thereof.
Background
The purifying air conditioning unit is excellent terminal equipment of a central air conditioner, is provided with an efficient air filter, and is used for effectively filtering substances harmful to human bodies, such as dust, particles, bacteria, viruses, smog, oil strikes and the like in air so as to effectively purify input air. The existing purifying air conditioning unit generally adopts an anti-virus filter screen to protect viruses, but the anti-virus filter screen needs to be replaced manually at regular intervals after being used for a period of time, viruses possibly remain on the anti-virus filter screen in the replacement process, and the viruses on the anti-virus filter screen are scattered into the air to cause harm to related personnel, so that great potential safety hazards exist.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a purifying air conditioning unit and a control method thereof, which are used for realizing the self-cleaning of an anti-virus filter belt.
In order to achieve the above purpose, the present invention provides the following technical solutions: the purifying air conditioning unit comprises a shell, wherein an air inlet chamber, a first disinfection chamber, a surface cooling chamber, a heating chamber, a fan chamber, a second disinfection chamber and an air outlet chamber which are sequentially communicated are arranged in the shell;
the air inlet cavity is positioned at the bottom end of the interior of the shell, and an air inlet is formed in the air inlet cavity;
the first disinfection chamber is positioned above the air inlet chamber, and a plasma sterilizer for sterilizing the air entering the first disinfection chamber is arranged in the first disinfection chamber;
the surface cooling chamber is positioned above the first disinfection chamber, and a surface cooler used for refrigerating air entering the surface cooling chamber is arranged in the surface cooling chamber;
the heating chamber is positioned above the surface cooling chamber by a preset distance, and a heater for heating the air entering the heating chamber is arranged in the heating chamber;
the fan cavity is positioned above the heating cavity, and a fan is arranged in the fan cavity;
the second disinfection chamber is positioned above the fan chamber, a communication port is formed in the bottom end of the second disinfection chamber, a self-cleaning filter assembly is arranged in the second disinfection chamber, and the self-cleaning filter assembly comprises a controller, a driving piece, an anti-virus filter belt, a driving gear, a driven gear, a pressing piece and a first ultraviolet sterilizer;
the driving piece is fixed on the inner wall of the second disinfection chamber, and the driving output end of the driving piece is fixedly connected with the wheel center of the driving gear;
the driven gear is rotatably arranged on the inner wall of the second disinfection chamber;
the wheel center of the driving gear is fixedly provided with a first winding drum, the wheel center of the driven gear is fixedly provided with a second winding drum, and gear teeth of the driving gear are meshed with gear teeth of the driven gear for transmission;
two ends of the anti-virus filter belt are respectively wound on the first winding drum and the second winding drum;
the anti-virus filter belt can slidably bypass the pressing piece, the pressing piece is positioned above the communication port, and the pressing piece is used for pressing the anti-virus filter belt positioned below the pressing piece to be abutted against the communication port;
a humidity detection assembly is arranged below the communication port and comprises a sliding lifting mechanism and a humidity sensor;
the controller is in signal connection with the driving piece, the humidity sensor and the sliding lifting mechanism, and is used for generating a sliding lifting instruction according to a preset first period;
the sliding lifting mechanism drives the humidity sensor to slide and lift to a preset position according to the sliding lifting instruction, and the humidity sensor is used for detecting the filter belt humidity of the virus-proof filter belt at the position propped against the communication port;
when the humidity of the filter belt is greater than a preset humidity threshold value, the controller generates a driving instruction and a disinfection instruction, and the driving piece drives the driving gear and the driven gear to rotate according to the driving instruction so that the anti-virus filter belt below the pressing piece is transmitted between the pressing piece and the second winding drum;
the first ultraviolet sterilizer is fixedly arranged on the inner wall of the second disinfection chamber and positioned above the anti-virus filter belt between the pressing pieces and the second winding drums, and is used for carrying out ultraviolet disinfection on the anti-virus filter belt between the pressing pieces and the second winding drums according to the disinfection instructions;
the air outlet cavity is positioned above the second disinfection cavity, and an air outlet is formed in one side of the air outlet cavity.
Further, the sliding lifting mechanism comprises a pair of sliding rails, a pair of sliding blocks, a hydraulic cylinder, a connecting plate, a first electric push rod and a fixed seat which are oppositely arranged;
the slide rails are respectively fixed on the inner wall of the fan chamber, and the slide blocks are connected in the slide rails in a sliding manner;
the hydraulic cylinder is fixed on one inner wall of the air chamber, a piston rod of the hydraulic cylinder is fixedly connected with the sliding block, and the hydraulic cylinder is used for driving the sliding block to slide along the direction of the sliding rail;
the two ends of the connecting plate are respectively fixedly connected with the sliding blocks, the first electric push rod is vertically fixed at the upper end of the connecting plate, the fixing seat is fixed at the upper end of the push rod of the first electric push rod, the humidity sensor is fixed at the upper end of the fixing seat, and the first electric push rod is used for pushing the humidity sensor on the fixing seat to move in the vertical direction.
Further, the shape of the compressing piece is a bowl shape, a compressing opening is formed in the lower end face of the compressing piece, the caliber of the compressing opening is slightly larger than that of the communicating opening, the communicating opening is located right below the compressing opening, and a plurality of ventilation holes are uniformly formed in the upper end and the side end of the compressing piece.
Further, the upper end surface of the pressing piece is fixedly connected with a pressing pushing piece, the pressing pushing piece is in signal connection with the controller, the controller also generates a lifting instruction when generating the driving instruction, and the pressing pushing piece lifts the pressing piece upwards according to the lifting instruction so as to separate the anti-virus filter belt from the communication port;
after a preset time period of the driving instruction is generated, the controller generates a pressing instruction, and the pressing pushing piece downwards presses the pressing piece according to the pressing instruction so as to press the anti-virus filter belt which is propped against the communication port.
Further, a sealing ring is arranged at the upper end of the communication port, and when the compression piece compresses the anti-virus filter belt, the lower end face of the anti-virus filter belt is abutted against the sealing ring in a fitting way.
Further, the second disinfection cavity is provided with a piece taking notch and a plurality of buckling notches, a piece taking door is arranged in the piece taking notch in an openable and closable manner, one face of the piece taking door, which faces the second disinfection cavity, is provided with a plurality of buckles, the buckles are matched with the buckling notches, and one face, far away from the second disinfection cavity, of the piece taking door is provided with a handle.
Further, a second ultraviolet sterilizer is arranged in the air outlet chamber, and the second ultraviolet sterilizer faces the air outlet and is used for ultraviolet sterilization of air flowing out of the air outlet.
Further, the air inlet and the air outlet are both provided with filter screens for filtering out particulate matters in the air.
Further, the filter screen includes first filter screen and second filter screen, the aperture of first filter screen is greater than the aperture of second filter screen, first filter screen is located the air intake with the air outlet is towards one side outside the casing, the second filter screen is located the air intake with the air outlet is towards one side in the casing.
The control method of the purifying air conditioning unit is applied to the purifying air conditioning unit, and comprises the following steps:
step S1, a controller generates a sliding lifting instruction according to a preset first period;
step S2, the sliding lifting mechanism drives the humidity sensor to slide and lift to a proper position according to the sliding lifting instruction, and the humidity sensor detects the filter belt humidity of the anti-virus filter belt at the position propped against the communication port;
step S3, when the humidity of the filter belt is larger than a preset humidity threshold value, the controller generates a driving instruction and a disinfection instruction;
step S4, the driving part drives the driving gear and the driven gear to rotate according to the driving instruction, so that the anti-virus filter belt below the pressing part is transmitted between the pressing part and the second winding drum;
and S5, the first ultraviolet sterilizer performs ultraviolet sterilization on the anti-virus filter belt between the pressing piece and the second winding drum according to the sterilization instruction.
The invention has the beneficial effects that:
according to the invention, the self-cleaning filter assembly is arranged in the second disinfection cavity, so that the anti-virus filter belt attached and abutted against the communication port can be automatically driven and replaced under the drive of the driving piece, and meanwhile, the replaced anti-virus filter belt is subjected to ultraviolet disinfection, so that the possibility of residual viruses on the replaced anti-virus filter belt is effectively reduced, the use safety of the purifying air conditioner is improved, and the self-cleaning of the anti-virus filter belt is realized.
Drawings
FIG. 1 is a schematic view of the internal structure of a purifying air conditioning unit according to the present invention;
FIG. 2 is a schematic view of the self-cleaning filter assembly and sliding elevator mechanism of the present invention;
FIG. 3 is a control schematic diagram of a clean air conditioning unit according to the present invention;
fig. 4 is a flowchart showing steps of a control method of a purifying air conditioning unit according to the present invention.
Reference numerals: 1. a housing; 2. an air inlet chamber; 21. an air inlet; 3. a first sterilization chamber; 31. a plasma sterilizer; 4. a surface cooling chamber; 41. a surface cooler; 5. a heating chamber; 51. a heater; 6. a fan chamber; 61. a blower; 7. a second sterilization chamber; 71. a pick-up door; 72. a handle; 8. an air outlet chamber; 81. A second ultraviolet sterilizer; 82. an air outlet; 9. a self-cleaning filter assembly; 91. a controller; 92. a driving member; 93. an anti-virus filter belt; 94. a drive gear; 95. a driven gear; 96. a pressing member; 97. a first ultraviolet sterilizer; 981. a second electric push rod; 982. pressing the bifurcation; 10. a humidity detection assembly; 101. a humidity sensor; 102. a slide rail; 103. a slide block; 104. a hydraulic cylinder; 105. a connecting plate; 106. A first electric push rod; 107. a fixing seat.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 3, a purifying air conditioning unit of the present embodiment includes a housing 1, wherein an air inlet chamber 2, a first sterilizing chamber 3, a surface cooling chamber 4, a heating chamber 5, a fan chamber 6, a second sterilizing chamber 7 and an air outlet chamber 8 which are sequentially communicated are disposed inside the housing 1;
the air inlet chamber 2 is positioned at the bottom end of the interior of the shell 1, and the air inlet chamber 2 is provided with an air inlet 21;
the first disinfection chamber 3 is positioned above the air inlet chamber 2, and a plasma sterilizer 31 for sterilizing the air entering the first disinfection chamber 3 is arranged in the first disinfection chamber 3;
the surface cooling chamber 4 is located above the first sterilizing chamber 3, and a surface cooler 41 for cooling air entering the surface cooling chamber 4 is arranged in the surface cooling chamber 4;
the heating chamber 5 is located above the surface cooling chamber 4 by a preset distance, and a heater 51 for heating the air entering the heating chamber 5 is arranged in the heating chamber 5;
the fan chamber 6 is positioned above the heating chamber 5, and a fan 61 is arranged in the fan chamber 6;
the second disinfection chamber 7 is located above the fan chamber 6, a communication port is formed in the bottom end of the second disinfection chamber 7, a self-cleaning filter assembly 9 is arranged in the second disinfection chamber 7, and the self-cleaning filter assembly 9 comprises a controller 91, a driving piece 92, an anti-virus filter belt 93, a driving gear 94, a driven gear 95, a pressing piece 96 and a first ultraviolet sterilizer 97;
the driving piece 92 is fixed on the inner wall of the second disinfection chamber 7, and the driving output end of the driving piece 92 is fixedly connected with the wheel center of the driving gear 94;
a first winding drum is fixedly arranged at the center of the driving gear 94, a second winding drum is fixedly arranged at the center of the driven gear 95, and gear teeth of the driving gear 94 are meshed with gear teeth of the driven gear 95 for transmission;
the driven gear 95 is rotatably provided on the inner wall of the second sterilization chamber 7;
two ends of the anti-virus filter belt 93 are respectively wound on the first winding drum and the second winding drum;
the anti-virus filter 93 slidably bypasses the pressing piece 96, and the pressing piece 96 is located above the communication port and is used for pressing the anti-virus filter 93 located below the pressing piece 96 to be abutted against the communication port;
a humidity detection assembly 10 is arranged below the communication port, and the humidity detection assembly 10 comprises a sliding lifting mechanism and a humidity sensor 101;
the controller 91 is in signal connection with the driving member 92, the humidity sensor 101 and the sliding lifting mechanism, and the controller 91 is configured to generate a sliding lifting instruction according to a preset first time period;
the sliding lifting mechanism drives the humidity sensor 101 to slide and lift to a preset position according to the sliding lifting instruction, and the humidity sensor 101 is used for detecting the belt humidity of the anti-virus belt 93 at the position propped against the communication port;
when the belt humidity is greater than a preset humidity threshold, the controller 91 generates a driving command and a disinfection command, and the driving member 92 drives the driving gear 94 and the driven gear 95 to rotate according to the driving command, so that the anti-virus belt 93 below the pressing member 96 is driven between the pressing member 96 and the second drum;
the first ultraviolet sterilizer 97 is fixedly arranged on the inner wall of the second sterilizing chamber 7 and positioned above the anti-virus filter belt 93 between the second drums and the pressing piece 96, and the first ultraviolet sterilizer 97 is used for performing ultraviolet sterilization on the anti-virus filter belt 93 between the pressing piece 96 and the second drums according to the sterilizing instruction;
the air outlet chamber 8 is located above the second disinfection chamber 7, and an air outlet 82 is formed in one side of the air outlet chamber 8.
In this embodiment, the first period may be one hour, the second period may be 6 hours, the humidity threshold may be 50%, the driving member 92 may be a driving motor, and an output shaft of the driving motor is fixedly connected to a center of the driving gear 94. The controller 91 controls the sliding lifting mechanism to drive the humidity sensor 101 to detect the humidity of the anti-virus filter belt 93 on the communication port every 1 hour. When the belt humidity is greater than 50% and the time period reaches 6 hours, the controller 91 generates a driving command and a sterilization command so that the driving motor drives the driving gear 94 to rotate according to the driving command and stops driving after 1 second has elapsed. When the driving gear 94 rotates, the anti-virus filter belt 93 wound on the first roller is conveyed towards the direction of the communication port, the anti-virus filter at the bottom end of the communication port is conveyed to move towards the second roller, and the movement is stopped after 1 second, so that the new anti-virus filter belt 93 is conveyed to the upper end of the communication port, the replaced anti-virus filter belt 93 is conveyed between the pressing piece 96 and the second roller, and meanwhile, the first ultraviolet sterilizer 97 performs ultraviolet sterilization on the replaced anti-virus filter belt 93.
According to the invention, the self-cleaning filter assembly 9 is arranged in the second disinfection chamber 7, so that the anti-virus filter belt 93 attached and abutted against the communication port can be automatically driven and replaced under the drive of the driving piece 92, and meanwhile, the replaced anti-virus filter belt 93 is subjected to ultraviolet disinfection, so that the possibility of residual viruses on the replaced anti-virus filter belt is effectively reduced, the use safety of the purifying air conditioner is improved, and the self-cleaning of the anti-virus filter belt 93 is realized.
Preferably, the sliding lifting mechanism comprises a pair of sliding rails 102, a pair of sliding blocks 103, a hydraulic cylinder 104, a connecting plate 105, a first electric push rod 106 and a fixed seat 107 which are oppositely arranged;
a pair of slide rails 102 are respectively fixed on the inner wall of the fan chamber 6, and a slide block 103 is slidably connected in the slide rails 102;
the hydraulic cylinder 104 is fixed on one inner wall of the air chamber, a piston rod of the hydraulic cylinder 104 is fixedly connected with the sliding block 103, and the hydraulic cylinder 104 is used for driving the sliding block 103 to slide along the direction of the sliding rail 102;
two ends of the connecting plate 105 are fixedly connected with the sliding blocks 103 respectively; the first electric putter 106 is vertically fixed in the upper end of connecting plate 105, and fixing base 107 is fixed in the push rod upper end of first electric putter 106, and humidity transducer 101 is fixed in fixing base 107 upper end, and first electric putter 106 is used for promoting humidity transducer 101 on the fixing base 107 and removes in vertical direction.
Specifically, in this embodiment, the hydraulic cylinder 104 and the first electric push rod 106 are electrically connected to the controller 91, and the sliding lifting instruction received by the sliding lifting mechanism includes a sliding instruction and a lifting instruction; the sliding instruction is sent to the hydraulic cylinder 104, and after the hydraulic cylinder 104 receives the sliding instruction, the sliding block 103 connected with the piston rod is driven to slide in the sliding rail 102, and the other sliding block 103 is driven by the connecting rod to slide synchronously. The lifting instruction is sent to the first electric push rod 106, and after the first electric push rod 106 receives the lifting instruction, the fixed seat 107 connected with the push rod is driven to move in the vertical direction, and then the humidity sensor 101 at the upper end of the fixed seat 107 is driven to move in the vertical direction. The hydraulic cylinder 104 and the first electric push rod 106 need to move at least five times, so that the humidity sensor 101 detects multiple sets of humidity data and averages to obtain the humidity of the filter belt, so as to improve the precision of the humidity of the filter belt.
Preferably, the compressing member 96 is bowl-shaped, the lower end face of the compressing member 96 is provided with a compressing opening, the caliber of the compressing opening is slightly larger than that of the communicating opening, the communicating opening is located right below the compressing opening, and the upper end and the side end of the compressing member 96 are uniformly provided with a plurality of ventilation holes.
Specifically, in the present embodiment, by providing the pressing member 96 in a bowl shape, the sliding between the anti-virus filter 93 and the side end of the pressing member 96 is made smoother. Meanwhile, the upper end and the side end of the pressing piece 96 are uniformly provided with the plurality of ventilation holes, so that air entering the inside of the pressing piece 96 from the pressing opening can flow out of the pressing piece 96 from each ventilation hole, and the air is prevented from being blocked and cannot circulate.
Preferably, the upper end surface of the pressing piece 96 is fixedly connected with a pressing pushing piece, the pressing pushing piece is in signal connection with the controller 91, the controller 91 also generates a lifting instruction when generating a driving instruction, and the pressing pushing piece lifts the pressing piece 96 upwards according to the lifting instruction so as to separate the anti-virus filter belt 93 from the communication port;
after a preset period of time of the driving command is generated, the controller 91 generates a pressing command, and the pressing pushing member presses the pressing member 96 downward according to the pressing command to press the anti-virus filter belt 93 against the communication port.
Specifically, in the present embodiment, the pressing pushing member includes a second electric push rod 981 and a pressing bifurcation 982, and the push rod of the second electric push rod 981 is vertically downward and fixedly connected to the upper end of the pressing bifurcation 982. The lower end of the compression fork 982 is fixedly attached to both sides of the upper end of the compression member 96. When the controller 91 generates a driving instruction, a lifting instruction is also generated and sent to the second electric push rod 981, so that the second electric push rod 981 lifts the pressing piece 96 upwards by pressing the bifurcation 982, and the situation that the pressing piece 96 presses the anti-virus filter belt 93 at the lower end, so that the anti-virus filter belt 93 cannot be replaced is avoided. After the controller 91 generates the preset time period of the driving instruction, the replacement of the anti-virus filter belt 93 is completed, and the preset time period may be 1 second, at this time, the controller 91 generates the pressing instruction and sends the pressing instruction to the second electric push rod 981, so that the second electric push rod 981 presses the pressing member 96 downward by pressing the bifurcation 982, so that the pressing member 96 presses the anti-virus filter belt 93, and the anti-virus filter belt 93 is attached to and abutted against the communication port.
Preferably, a sealing ring is arranged at the upper end of the communication port, and when the compression piece 96 presses the anti-virus filter belt 93, the lower end surface of the anti-virus filter belt 93 is abutted against the sealing ring.
Specifically, in this embodiment, by providing the seal ring at the upper end of the communication port, the sealing property when the pressing member 96 presses the virus-proof filter belt 93 is improved.
Preferably, the second disinfection chamber 7 is provided with a piece taking notch and a plurality of buckling notches, a piece taking door 71 is arranged in the piece taking notch in an openable and closable manner, one face of the piece taking door 71 facing the second disinfection chamber 7 is provided with a plurality of buckles, the buckles are matched with the buckling notches, and one face, far away from the second disinfection chamber 7, of the piece taking door 71 is provided with a handle 72.
Specifically, in this embodiment, the two sides of the second chamber are both opened and get a notch, and set up and get a door 71 in getting a notch, when making the second reel up and having more used anti-virus filter screens, relevant personnel can hold the handle 72 with the hand and pull out and get a door 71, make buckle and lock joint notch release, open and get a door 71, thereby can dismantle the sterile anti-virus filter belt 93 on the second reel through getting a notch, promote the security.
Preferably, a second ultraviolet sterilizer 81 is arranged in the air outlet chamber 8, and the second ultraviolet sterilizer 81 faces the air outlet 82 and is used for ultraviolet sterilization of air flowing out of the air outlet 82.
Specifically, in this embodiment, through setting up second ultraviolet ray disinfection ware 81 in air-out cavity 8 for second ultraviolet ray disinfection ware 81 can carry out ultraviolet ray disinfection to the air of air outlet 82, has further promoted the anti-disease toxicity ability of purifying air conditioning unit, in order to promote the security of this technical scheme.
Preferably, both the air inlet 21 and the air outlet 82 are provided with a filter screen for filtering out particulate matters in the air.
Preferably, the filter screen includes a first filter screen and a second filter screen, the aperture of the first filter screen is larger than the aperture of the second filter screen, the first filter screen is located at a side of the air inlet 21 and the air outlet 82 facing the outside of the casing 1, and the second filter screen is located at a side of the air inlet 21 and the air outlet 82) facing the inside of the casing 1.
Specifically, in this embodiment, the first filter is used to filter out large particles with an aerodynamic equivalent diameter greater than 75 μm, including dust particles, in the air. The mesh diameter of the first filter screen was 75 μm. Specifically, in this embodiment, the second filter is used to filter out small particles with an aerodynamic equivalent diameter of 1 μm to 10 μm in air, including dust and smoke. The mesh diameter of the second filter screen is 1 μm.
The control method of the purifying air conditioning unit is applied to the purifying air conditioning unit, as shown in fig. 4, and comprises the following steps:
step S1, the controller 91 generates a sliding lifting instruction according to a preset first period;
step S2, the sliding lifting mechanism drives the humidity sensor 101 to slide and lift to a proper position according to a sliding lifting instruction, and the humidity sensor 101 detects the belt humidity of the anti-virus belt 93 at the position propped against the communication port;
step S3, when the belt humidity is greater than the preset humidity threshold, the controller 91 generates a driving command and a disinfection command;
step S4, the driving piece 92 drives the driving gear 94 and the driven gear 95 to rotate according to the driving instruction, so that the anti-virus filter belt 93 below the pressing piece 96 is transmitted between the pressing piece 96 and the second winding drum;
in step S5, the first ultraviolet sterilizer 97 performs ultraviolet sterilization of the anti-virus filter 93 between the pressing member 96 and the second roll according to the sterilization instruction.
Working principle:
the blower 61 of the blower chamber 6 is activated so that air starts to circulate from the inlet chamber 2 to the outlet chamber 8. Outside air enters the air inlet chamber 2 from the two air inlets 21 and then flows from the fan chamber 6 to the first sterilizing chamber 3, and the plasma sterilizer 31 in the first sterilizing chamber 3 primarily sterilizes the air flowing into the first sterilizing chamber 3. The primarily sterilized air flows to the surface cooling chamber 4 and the heating chamber 5 to be cooled or heated, and is then drawn to the second sterilizing chamber 7 by the air in the blower chamber 6. The upper end of the communication port between the fan chamber 6 and the second disinfection chamber 7 is pressed with the anti-virus filter belt 93, so that the anti-virus filter belt 93 filters viruses from air. Greatly reduces the virus quantity in the air. Meanwhile, the first ultraviolet sterilizer 97 performs ultraviolet sterilization on the anti-virus filter belt 93 between the pressing piece 96 and the second winding drum, so that the possibility of residual viruses on the replaced anti-virus filter belt is effectively reduced, and self-cleaning of the anti-virus filter belt 93 is realized. The final air flow goes to the air-out cavity 8, because the second ultraviolet sterilizer 81 is arranged in the air-out cavity 8, the air still needs to be disinfected again by the second ultraviolet sterilizer 81 before flowing out from the air outlet 82, the virus quantity in the air is further reduced, and the safety epidemic prevention performance of the technical scheme is promoted again.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (10)

1. The purifying air conditioning unit comprises a shell (1) and is characterized in that an air inlet chamber (2), a first disinfection chamber (3), a surface cooling chamber (4), a heating chamber (5), a fan chamber (6), a second disinfection chamber (7) and an air outlet chamber (8) which are sequentially communicated are arranged in the shell (1);
the air inlet cavity (2) is positioned at the bottom end of the interior of the shell (1), and the air inlet cavity (2) is provided with an air inlet (21);
the first disinfection chamber (3) is positioned above the air inlet chamber (2), and a plasma sterilizer (31) for sterilizing the air entering the first disinfection chamber (3) is arranged in the first disinfection chamber (3);
the surface cooling chamber (4) is positioned above the first disinfection chamber (3), and a surface cooler (41) used for refrigerating air entering the surface cooling chamber (4) is arranged in the surface cooling chamber (4);
the heating chamber (5) is positioned above the surface cooling chamber (4) by a preset distance, and a heater (51) for heating the air entering the heating chamber (5) is arranged in the heating chamber (5);
the fan chamber (6) is positioned above the heating chamber (5), and a fan (61) is arranged in the fan chamber (6);
the second disinfection chamber (7) is positioned above the fan chamber (6), a communication port is formed in the bottom end of the second disinfection chamber (7), a self-cleaning filter assembly (9) is arranged in the second disinfection chamber (7), and the self-cleaning filter assembly (9) comprises a controller (91), a driving piece (92), an anti-virus filter belt (93), a driving gear (94), a driven gear (95), a pressing piece (96) and a first ultraviolet sterilizer (97);
the driving piece (92) is fixed on the inner wall of the second disinfection chamber (7), and the driving output end of the driving piece (92) is fixedly connected with the wheel center of the driving gear (94);
a first winding drum is fixedly arranged at the wheel center of the driving gear (94), a second winding drum is fixedly arranged at the wheel center of the driven gear (95), and gear teeth of the driving gear (94) are meshed with gear teeth of the driven gear (95) for transmission;
the driven gear (95) is rotatably arranged on the inner wall of the second disinfection chamber (7);
two ends of the anti-virus filter belt (93) are respectively wound on the first winding drum and the second winding drum;
the anti-virus filter belt (93) can slidably bypass the pressing piece (96), and the pressing piece (96) is positioned above the communication port and is used for pressing the anti-virus filter belt (93) positioned below the pressing piece (96) to be abutted against the communication port;
a humidity detection assembly (10) is arranged below the communication port, and the humidity detection assembly (10) comprises a sliding lifting mechanism and a humidity sensor (101);
the controller (91) is in signal connection with the driving piece (92), the humidity sensor (101) and the sliding lifting mechanism, and the controller (91) is used for generating a sliding lifting instruction according to a preset first time period;
the sliding lifting mechanism drives the humidity sensor (101) to slide and lift to a preset position according to the sliding lifting instruction, and the humidity sensor (101) is used for detecting the filter belt humidity of the virus-proof filter belt (93) at the position propped against the communication port;
when the belt humidity is greater than a preset humidity threshold, the controller (91) generates a driving instruction and a disinfection instruction, and the driving piece (92) drives the driving gear (94) and the driven gear (95) to rotate according to the driving instruction so that the anti-virus belt (93) below the pressing piece (96) is transmitted between the pressing piece (96) and the second winding drum;
the first ultraviolet sterilizer (97) is fixedly arranged on the inner wall of the second sterilization chamber (7) and positioned above the virus-proof filter belt (93) between the second drums by the pressing piece (96), and the first ultraviolet sterilizer (97) is used for carrying out ultraviolet sterilization on the virus-proof filter belt (93) between the pressing piece (96) and the second drums according to the sterilization instruction;
the air outlet cavity (8) is located above the second disinfection cavity (7), and an air outlet (82) is formed in one side of the air outlet cavity (8).
2. The purifying air conditioning assembly of claim 1, wherein: the sliding lifting mechanism comprises a pair of sliding rails (102), a pair of sliding blocks (103), a hydraulic cylinder (104), a connecting plate (105), a first electric push rod (106) and a fixed seat (107) which are oppositely arranged;
the pair of sliding rails (102) are respectively fixed on the inner wall of the fan chamber (6), and the sliding blocks (103) are connected in the sliding rails (102) in a sliding manner;
the hydraulic cylinder (104) is fixed on an inner wall of the fan chamber, a piston rod of the hydraulic cylinder (104) is fixedly connected with the sliding block (103), and the hydraulic cylinder (104) is used for driving the sliding block (103) to slide along the direction of the sliding rail (102);
the two ends of the connecting plate (105) are respectively fixedly connected with the sliding blocks (103), the first electric push rod (106) is vertically fixed at the upper end of the connecting plate (105), the fixing seat (107) is fixed at the upper end of the push rod of the first electric push rod (106), the humidity sensor (101) is fixed at the upper end of the fixing seat (107), and the first electric push rod (106) is used for pushing the humidity sensor (101) on the fixing seat (107) to move in the vertical direction.
3. The purifying air conditioning assembly of claim 1, wherein: the shape of compressing element (96) is the alms bowl shape, compressing element (96)'s lower terminal surface has seted up the oppression mouth, the bore of oppression mouth is slightly greater than the intercommunication mouth, the intercommunication mouth is located compressing the mouth under, a plurality of bleeder vents have evenly been seted up to compressing element (96) upper end and side.
4. A purifying air conditioning assembly according to claim 3, wherein: the upper end face of the pressing piece (96) is fixedly connected with a pressing pushing piece, the pressing pushing piece is in signal connection with the controller (91), the controller (91) further generates a lifting instruction when generating the driving instruction, and the pressing pushing piece lifts the pressing piece (96) upwards according to the lifting instruction so as to separate the anti-virus filter belt (93) from the communication port;
the controller (91) generates a pressing command after generating a preset time period of the driving command, and the pressing pushing member presses the pressing member (96) downwards according to the pressing command so as to press the anti-virus filter belt (93) which is propped against the communication port.
5. The purifying air conditioning assembly of claim 1, wherein: the upper end of the communication port is provided with a sealing ring, and when the compression piece (96) presses the anti-virus filter belt (93), the lower end face of the anti-virus filter belt (93) is abutted against the sealing ring in a fitting way.
6. The purifying air conditioning assembly of claim 1, wherein: get a notch and a plurality of lock joint notch have been seted up to second disinfection cavity (7), it is equipped with in the notch to get to open and shut and get a door (71), get a door (71) orientation the one side of second disinfection cavity (7) is equipped with a plurality of buckles, the buckle with lock joint notch looks adaptation, get a door (71) keep away from one side of second disinfection cavity (7) is equipped with handle (72).
7. The purifying air conditioning assembly of claim 1, wherein: the air outlet chamber (8) is internally provided with a second ultraviolet sterilizer (81), and the second ultraviolet sterilizer (81) faces the air outlet (82) and is used for ultraviolet sterilization of air flowing out of the air outlet (82).
8. The purifying air conditioning assembly of claim 1, wherein: the air inlet (21) and the air outlet (82) are both provided with filter screens for filtering out particles in the air.
9. The purifying air conditioning assembly of claim 8, wherein: the filter screen includes first filter screen and second filter screen, the aperture of first filter screen is greater than the aperture of second filter screen, first filter screen is located air intake (21) with air outlet (82) orientation one side outside casing (1), the second filter screen is located air intake (21) with air outlet (82) orientation one side in casing (1).
10. A control method of a purifying air conditioning unit, characterized by being applied to the purifying air conditioning unit according to any one of claims 1 to 9, the control method of the purifying air conditioning unit comprising:
step S1, a controller (91) generates a sliding lifting instruction according to a preset first time period;
step S2, a sliding lifting mechanism drives the humidity sensor (101) to slide and lift to a preset position according to the sliding lifting instruction, and the humidity sensor (101) detects the filter belt humidity of the virus-proof filter belt (93) at the position propped against the communication port;
step S3, when the humidity of the filter belt is larger than a preset humidity threshold value, the controller (91) generates a driving instruction and a disinfection instruction;
step S4, a driving piece (92) drives the driving gear (94) and the driven gear (95) to rotate according to the driving instruction, so that the anti-virus filter belt (93) below a pressing piece (96) is transmitted between the pressing piece (96) and the second winding drum;
and S5, a first ultraviolet sterilizer (97) performs ultraviolet sterilization on the virus-proof filter belt (93) between the pressing piece (96) and the second winding drum according to the sterilization instruction.
CN202210156757.4A 2022-02-21 2022-02-21 Purifying air conditioning unit and control method thereof Active CN114459079B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210156757.4A CN114459079B (en) 2022-02-21 2022-02-21 Purifying air conditioning unit and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210156757.4A CN114459079B (en) 2022-02-21 2022-02-21 Purifying air conditioning unit and control method thereof

Publications (2)

Publication Number Publication Date
CN114459079A CN114459079A (en) 2022-05-10
CN114459079B true CN114459079B (en) 2024-02-02

Family

ID=81416226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210156757.4A Active CN114459079B (en) 2022-02-21 2022-02-21 Purifying air conditioning unit and control method thereof

Country Status (1)

Country Link
CN (1) CN114459079B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104162323A (en) * 2014-07-21 2014-11-26 复旦大学 Self-activation air filtration system
CN105344174A (en) * 2015-11-07 2016-02-24 深圳市前海安测信息技术有限公司 Air filtering device with self-cleaning function
CN106362187A (en) * 2016-09-27 2017-02-01 刘宪红 Infectious disease ward sterilizing device
GB202000158D0 (en) * 2020-01-07 2020-02-19 Langston Engineering Ltd Air filter for air conditioning system
CN112556164A (en) * 2020-12-29 2021-03-26 珠海格力电器股份有限公司 Filter screen mechanism and air conditioner with same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104162323A (en) * 2014-07-21 2014-11-26 复旦大学 Self-activation air filtration system
CN105344174A (en) * 2015-11-07 2016-02-24 深圳市前海安测信息技术有限公司 Air filtering device with self-cleaning function
CN106362187A (en) * 2016-09-27 2017-02-01 刘宪红 Infectious disease ward sterilizing device
GB202000158D0 (en) * 2020-01-07 2020-02-19 Langston Engineering Ltd Air filter for air conditioning system
CN112556164A (en) * 2020-12-29 2021-03-26 珠海格力电器股份有限公司 Filter screen mechanism and air conditioner with same

Also Published As

Publication number Publication date
CN114459079A (en) 2022-05-10

Similar Documents

Publication Publication Date Title
CN102059160B (en) Biological safety protection cabin
CN207635494U (en) The control system of dustless cleanliness factor
US7416588B2 (en) Fluid purification
KR102258585B1 (en) A movable negative pressure apparatus
CN201997339U (en) Biological safety protection cabin
CN114459079B (en) Purifying air conditioning unit and control method thereof
CN112146201B (en) Degassing unit with air purification function
CN111878924B (en) Air purifying device and air purifying method
CN212836919U (en) Nucleic acid detection sampling chamber
EP3875122A1 (en) Respiratory droplet suction device and an apparatus and system including the same
CN218154685U (en) Sterilizing device
KR102362241B1 (en) Negative pressure device equipped with air purification function
CN112856687A (en) Horizontal and vertical blowing and sucking combined air isolation device, system and method
JP2008228597A (en) Isolation device for preventing infection
KR20230119100A (en) Air purifier for multiuse facility
CN111895467A (en) Oil fume purification device, cooking equipment and oil fume purification method
CN206996626U (en) A kind of Biohazard Safety Equipment that cross-infection is prevented using the isolation of fresh air air curtain
CN107606700A (en) One kind can be from disinfecting air purifier
CN110762654A (en) High-efficiency medical air cleaning screen
CN212511654U (en) Elevator with dual function of disinfecting
CN214841412U (en) Fresh air ventilation equipment for elevator
CN107631384A (en) Can be from disinfecting air purifier
CN213020128U (en) Sickbed cleaning device with aerosol directional control function
JP3231878U (en) Circulating air purifier
CN214094790U (en) A disinfection ventilation unit that takes a breath for infectious department

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant