CN112923454B - Intelligent ventilation filter equipment of dust free chamber - Google Patents

Intelligent ventilation filter equipment of dust free chamber Download PDF

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Publication number
CN112923454B
CN112923454B CN202110172707.0A CN202110172707A CN112923454B CN 112923454 B CN112923454 B CN 112923454B CN 202110172707 A CN202110172707 A CN 202110172707A CN 112923454 B CN112923454 B CN 112923454B
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Prior art keywords
air
air supply
exhaust
unit
filtration device
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CN202110172707.0A
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CN112923454A (en
Inventor
任济波
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Shenzhen Henglong Century Technology Engineering Co ltd
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Shenzhen Henglong Century Technology Engineering Co ltd
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    • 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
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses an intelligent ventilation and filtration device for a dust-free room, which comprises an exhaust unit, an air conditioning unit, an air supply unit, an environment monitoring unit and a control unit, wherein the exhaust unit comprises an exhaust outlet and an exhaust pipeline, the air supply unit comprises an air supply outlet, an air supply filtration device and an air supply pipeline, the air conditioning unit filters, cools or heats indoor air led in by the return exhaust pipeline and then sends the air to the air supply unit again, the environment monitoring unit comprises CO2Concentration sensor, temperature sensor, PM2.5The sensor, the control unit includes controller and intelligent terminal. The environment monitoring unit monitors the gas environment of the working area of the dust-free room, and the control unit controls the air exhaust unit, the air conditioning unit and the air supply unit to work according to the real-time gas environment, so that the air condition in the dust-free room is kept to be correspondingly clean and warm and humid.

Description

Intelligent ventilation filter equipment of dust free chamber
Technical Field
The invention relates to the field of ventilation equipment of a dust-free room, in particular to an intelligent ventilation filtering device of the dust-free room.
Background
The clean room is a room designed to reduce the pollutants such as particles, harmful air, bacteria, etc. in the air to a specified level in a certain space range, and to control the indoor temperature, cleanliness, indoor pressure, air flow velocity and air flow distribution, noise vibration, illumination, and static electricity within a certain required range. No matter how the external air condition changes, the indoor can maintain the originally set required performances of cleanliness, temperature and humidity, pressure and the like.
The existing clean room is mainly suitable for pharmaceutical manufacturing enterprises, and the temperature and humidity of the clean room are controlled and adjusted by a combined type purification air conditioner. However, with the development of technology, especially the development of integrated circuit production technology, the line width of the integrated circuit chip is developed from 0.45 micron to 0.11 micron, even from micron level to nanometer level, and the temperature variation may affect the production process, resulting in the yield reduction; meanwhile, the requirement of the production process on cleanliness is high, so that the air exhaust rate in the clean room is high. Therefore, such clean rooms need to be controlled with high precision of temperature control without eliminating the influence of temperature variation on production. If the traditional temperature adjusting mode of the combined air conditioner is used, the control of high-precision temperature and cleanliness in a clean room is difficult to achieve.
Meanwhile, most of the existing dust-free rooms use a dust removal system when entering a door, such as an air shower, and after entering a workshop, an effective dust removal method is lacked, and the existing dust-free rooms can only be cleared up according to a set time, and sebum or dandruff generated on the body surface of a human body can generate dust to a greater or lesser extent when instruments are actually used, and after the existing dust-free rooms are used for a long time, accumulation can be found in the workshop, detection quality is affected, and product quality problems are caused.
Disclosure of Invention
In order to solve the above mentioned drawbacks in the background art, the present invention provides an intelligent ventilation and filtration device for a clean room, wherein an environment monitoring unit monitors a gas environment in a working area of the clean room, and a control unit controls an air exhaust unit, an air conditioning unit and an air supply unit to work according to the real-time gas environment, so as to maintain the air condition in the clean room to maintain corresponding cleanliness and temperature and humidity.
The purpose of the invention can be realized by the following technical scheme:
an intelligent ventilation and filtration device for a dust-free room comprises an exhaust unit, an air conditioning unit, an air supply unit, an environment monitoring unit and a control unit;
the air exhaust unit comprises an air exhaust port and an air exhaust pipeline, the air exhaust port is uniformly arranged in a working area in the building, and the air exhaust pipeline is connected with the air exhaust port and the air conditioning unit;
the air supply unit comprises an air supply outlet, an air supply filtering device and an air supply pipeline, the air supply outlet is fixed with the air outlet end of the air supply filtering device, the air supply pipeline is connected with the air inlet end of the air supply filtering device and the air conditioning unit, and a filter screen detection module, a filter screen cleaning module and a flow monitoring module are arranged in the air supply filtering device;
the air conditioning unit is arranged outside the building wall, the bottom of the air conditioning unit is provided with an air inlet which is communicated with the outside atmosphere, and the air conditioning unit filters, cools or heats indoor air led in by the return exhaust duct and then sends the indoor air into the air supply unit again;
the environment monitoring unit comprises a CO2Concentration sensor, temperature sensor, PM2.5The environment monitoring units are uniformly arranged in a working area inside the building;
the control unit comprises a controller and an intelligent terminal, the controller is in signal connection with the air exhaust unit, the air conditioning unit, the air supply unit and the environment monitoring unit respectively, the intelligent terminal is connected with the controller through a wireless network, and an embedded software system is arranged on the intelligent terminal.
Further preferably, the controller is a single chip microcomputer based on an STM32F407ZGT6 chip, and the intelligent terminal is in signal connection with the controller through a 4G network, a 5G network or wireless Wifi.
Further preferably, the embedded software system comprises an application layer, a system management layer, a device driver layer and a hardware abstraction layer; the application layer comprises operation control, protection control, UART communication control, display control and input control, and the task scheduling and the effective execution are realized through the coordination work of the modules; the system management layer comprises event management, work management, equipment management and work time sequence management, and all the modules can work in a coordinated mode; the device driver layer is an intermediate layer software between the physical layer and the user layer, provides function interfaces for upper layer users, shields physical details, and can call the function interfaces to operate physical modules easily; the hardware abstraction layer is an interface layer between the operating system kernel and the hardware circuitry, which is intended to abstract the hardware.
Further preferably, an exhaust fan is arranged in the exhaust pipeline, an air supply fan is arranged in the air supply pipeline, and the exhaust fan and the air supply fan are in signal connection with the controller.
Further preferably, an exhaust filtering device is arranged between the exhaust pipeline and the air conditioning unit, an air inlet end of the exhaust filtering device is connected with the exhaust pipeline, an air outlet end of the air filtering device is connected with the air conditioning unit, and the exhaust filtering device and the air supply filtering device are identical in structure.
Further preferably, air supply filter equipment includes the device body, both ends fixed mounting cover interface about the device body, the inside symmetry of device body runs through and is equipped with the wind channel, the uncovered department fixed mounting flow control mechanism of wind channel one end, the wind channel is inside to be equipped with a plurality of filters along the air current direction in proper order, the filter can be dismantled with the mount pad and be connected, mount pad fixed mounting is at the wind channel inner wall, fixed mounting wiper mechanism on the mount pad, device body lateral wall corresponds filter department and is equipped with the jack, the inside useless liquid room that is equipped with of device body of wind channel below, the wind channel bottom is equipped with a plurality of outage, the wind channel communicates with each other with the useless liquid room through the outage, the mounting groove has been seted up to device body front and back both sides outer wall, fixed mounting apron in the mounting groove, the apron upper end rotates with the mounting groove damping and is connected.
Further preferably, flow control mechanism includes the fixed plate, first fresh air inlet has been seted up in the middle of the fixed plate, the spout has been seted up to fixed plate side surface, be equipped with the slider in the spout, the slider is close to wind hole one side fixed mounting baffle, fixed plate one side fixed mounting gag lever post is kept away from to the slider, the gag lever post runs through the rotor plate, the rotor plate surface corresponds gag lever post department and is equipped with the slide opening, the second fresh air inlet has been seted up in the middle of the rotor plate, the rotor plate rotates with the device body to be connected, the rotor plate edge is equipped with a plurality of meshing teeth, the rotor plate top is equipped with the worm, worm and rotor plate cooperation, worm one end is connected with the output shaft of first motor, first motor fixed mounting is inside the device body.
Further preferably, the sliding groove is a closed hexagonal groove, the baffle is an equilateral triangle plate, and the sliding hole is a kidney-shaped hole.
Further preferably, the filter includes the mounting panel, and the socket has been seted up to mounting panel one side, and the slot has been seted up to the lateral wall about the socket, and lateral wall fixed mounting inserted block about the mount pad, inserted block and slot cooperation, mounting panel opposite side fixed mounting handle, mounting panel fixed surface installation filter screen, filter screen correspond socket one side and are equipped with the U-shaped groove.
Further preferably, wiper mechanism includes the drive shaft, and the drive shaft runs through the mount pad, and the drive shaft rotates with the mount pad to be connected, and drive shaft one end is connected with the output shaft of second motor, and the second motor is fixed with the wind channel inner wall, and drive shaft other end fixed mounting rotary joint, rotary joint top fixed mounting inlet tube, the inside inlet channel that is equipped with of drive shaft, a plurality of cleaning brushes of fixed mounting in the drive shaft, the cleaning brush surface is equipped with the water jet.
The invention has the beneficial effects that:
1. the environment monitoring unit monitors the gas environment of the working area of the dust-free room, and the control unit controls the air exhaust unit, the air conditioning unit and the air supply unit to work according to the real-time gas environment, so that the air condition in the dust-free room is kept to keep corresponding cleanliness and temperature and humidity; the control unit controller is connected with the intelligent terminal through a wireless network, the intelligent terminal is provided with an embedded software system, a hardware abstraction layer in the embedded software system is an interface layer between an operating system kernel and a hardware circuit, the hardware abstraction layer aims to abstract hardware, hides hardware interface details of a specific platform, provides a virtual hardware platform for the operating system, enables the operating system to have hardware independence and can be transplanted on various platforms.
2. The air supply filtering device is provided with the two symmetrical air channels, air is filtered by the filter plate when passing through the air channels, solid particles in the air are removed, the two air channels can close the air channel on one side when the filter plate needs to be cleaned, and normal ventilation cannot be influenced; an opening at one end of the air channel is fixedly provided with a flow regulating mechanism, the worm drives the rotating plate to rotate, the limiting rod moves along the sliding hole when the rotating plate rotates, and the sliding block is driven to slide along the sliding groove, so that the baffle plate moves, the size of the ventilation area of the first air inlet hole is regulated, the air flow is regulated, and the air channel can be closed; the filter plate is detachably connected with the mounting seat, the filter plate is inserted into the air channel through the insertion hole when the filter plate is used, and the filter plate is fixed with the mounting seat through the matching of the insertion block and the insertion groove, so that the filter plate can be quickly detachably mounted; fixed mounting wiper mechanism on the mount pad drives the drive shaft through the second motor and rotates, drives the epaxial cleaning brush of drive and cleans the filter, lets in the clear water that washes through the inlet tube simultaneously, washs the inlet channel of water passing through rotary joint and in the drive shaft and by the water jet blowout on cleaning brush surface, accomplishes washing to the filter, and sewage after the washing gets into the waste liquid chamber by the outage of wind channel bottom, through cleaning of cleaning brush and washing of wasing water, can wash the filter fast.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an overall frame diagram of the present invention;
FIG. 3 is a framework diagram of the intelligent terminal embedded system of the present invention;
FIG. 4 is a schematic view of the overall structure of the blower filter device of the present invention;
FIG. 5 is a cross-sectional view of the supply air filter arrangement of the present invention;
FIG. 6 is a cross-sectional view of the body of the device of the present invention;
FIG. 7 is an exploded view of the flow regulating mechanism of the present invention;
FIG. 8 is a schematic view of the structure of a filter plate according to the present invention;
FIG. 9 is a schematic view of the structure of the cleaning mechanism of the present invention.
In the figure:
1-device body, 2-socket joint, 3-air channel, 4-flow regulating mechanism, 5-filter plate, 6-mounting seat, 7-cleaning mechanism, 8-jack, 9-waste liquid chamber, 10-liquid discharge hole, 11-mounting groove, 12-cover plate, 13-fixing plate, 14-first air inlet hole, 15-chute, 16-slide block, 17-baffle plate, 18-limiting rod, 19-rotating plate, 20-slide hole, 21-second air inlet hole, 22-worm, 23-first motor, 24-mounting plate, 25-socket, 26-socket, 27-plug block, 28-handle, 29-filter screen, 30-driving shaft, 31-second motor, 32-rotary joint and 33-water inlet pipe, 34-cleaning brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
An intelligent ventilation and filtration device for a dust-free room comprises an exhaust unit, an air conditioning unit, an air supply unit, an environment monitoring unit and a control unit;
the air exhaust unit comprises an air exhaust port and an air exhaust pipeline, the air exhaust port is uniformly arranged in a working area in the building, and the air exhaust pipeline is connected with the air exhaust port and the air conditioning unit;
the air supply unit comprises an air supply outlet, an air supply filtering device and an air supply pipeline, the air supply outlet is fixed with the air outlet end of the air supply filtering device, the air supply pipeline is connected with the air inlet end of the air supply filtering device and the air conditioning unit, and a filter screen detection module, a filter screen cleaning module and a flow monitoring module are arranged in the air supply filtering device;
the air conditioning unit is arranged outside the building wall, the bottom of the air conditioning unit is provided with an air inlet which is communicated with the outside atmosphere, and the air conditioning unit filters, cools or heats indoor air led in by the return exhaust duct and then sends the indoor air into the air supply unit again;
the environment monitoring unit comprises a CO2Concentration sensor, temperature sensor, PM2.5The environment monitoring units are uniformly arranged in a working area inside the building;
the control unit comprises a controller and an intelligent terminal, the controller is in signal connection with the air exhaust unit, the air conditioning unit, the air supply unit and the environment monitoring unit respectively, the intelligent terminal is connected with the controller through a wireless network, and an embedded software system is arranged on the intelligent terminal.
The controller is a singlechip based on an STM32F407ZGT6 chip, and the intelligent terminal is in signal connection with the controller through a 4G network, a 5G network or wireless Wifi.
The embedded software system comprises an application layer, a system management layer, a device driving layer and a hardware abstraction layer; the application layer comprises operation control, protection control, UART communication control, display control and input control, and the task scheduling and the effective execution are realized through the coordination work of the modules; the system management layer comprises event management, work management, equipment management and work time sequence management, and all the modules can work in a coordinated mode; the device driver layer is an intermediate layer software between the physical layer and the user layer, provides function interfaces for upper layer users, shields physical details, and can call the function interfaces to operate physical modules easily; the hardware abstraction layer is an interface layer between the operating system kernel and the hardware circuitry, which is intended to abstract the hardware.
An exhaust fan is arranged in the exhaust pipeline, an air supply fan is arranged in the air supply pipeline, and the exhaust fan and the air supply fan are in signal connection with the controller.
An exhaust filtering device is arranged between the exhaust pipeline and the air conditioning unit, the air inlet end of the exhaust filtering device is connected with the exhaust pipeline, the air outlet end of the air filtering device is connected with the air conditioning unit, and the structure of the exhaust filtering device is the same as that of the air supply filtering device.
Air supply filter equipment includes device body 1, both ends fixed mounting cup joint 2 about device body 1, 1 inside symmetry of device body runs through and is equipped with wind channel 3, 3 uncovered department fixed mounting flow adjustment mechanism 4 in wind channel one end, 3 insides in wind channel are equipped with a plurality of filter 5 along the air current direction in proper order, filter 5 can be dismantled with mount pad 6 and be connected, 6 inner walls in wind channel of mount pad, fixed mounting wiper mechanism 7 on the mount pad 6, 1 lateral wall of device body corresponds filter 5 department and is equipped with jack 8, 1 inside useless liquid chamber 9 that is equipped with of device body of 3 below in wind channel, 3 bottoms in wind channel are equipped with a plurality of outage 10, wind channel 3 communicates with each other with useless liquid chamber 9 through outage 10, mounting groove 11 has been seted up to device body 1 front and back both sides outer wall, fixed mounting apron 12 in mounting groove 11, apron 12 upper end rotates with mounting groove 11 damping and is connected.
The flow adjusting mechanism 4 comprises a fixing plate 13, a first air inlet hole 14 is formed in the middle of the fixing plate 3, a sliding groove 15 is formed in the surface of one side of the fixing plate 13, a sliding block 16 is arranged in the sliding groove 15, the sliding block 16 is close to a baffle 17 fixedly installed on one side of the air inlet hole 14, the sliding block 16 is far away from a limiting rod 18 fixedly installed on one side of the fixing plate 3, the limiting rod 18 penetrates through a rotating plate 19, a sliding hole 20 is formed in the position, corresponding to the limiting rod 18, of the surface of the rotating plate 19, a second air inlet hole 21 is formed in the middle of the rotating plate 19, the rotating plate 19 is rotatably connected with the device body 1, a plurality of meshing teeth are arranged on the edge of the rotating plate 19, a worm 22 is arranged at the top of the rotating plate 19, the worm 22 is matched with the rotating plate 19, one end of the worm 22 is connected with an output shaft of a first motor 23, and the first motor 23 is fixedly installed inside the device body 1.
The sliding groove 15 is a closed hexagonal groove, the baffle 17 is an equilateral triangle plate, and the sliding hole 20 is a kidney-shaped hole.
The filter 5 includes mounting panel 24, and socket 25 has been seted up to mounting panel 24 one side, and slot 26 has been seted up to lateral wall about the socket 25, and lateral wall fixed mounting inserted block 27 about the mount pad 6, inserted block 27 and slot 26 cooperation, 24 opposite side fixed mounting handles 28 of mounting panel, 24 fixed surface of mounting panel installation filter screen 29, filter screen 29 correspond socket 25 one side and are equipped with the U-shaped groove.
The wiper mechanism 7 includes drive shaft 30, and drive shaft 30 runs through mount pad 6, and drive shaft 30 rotates with mount pad 6 to be connected, the output shaft of drive shaft 30 one end and second motor 31, and second motor 31 is fixed with 3 inner walls in wind channel, and drive shaft 30 other end fixed mounting rotary joint 32, rotary joint 32 top fixed mounting inlet tube 33, the inside inlet channel that is equipped with of drive shaft 32, a plurality of cleaning brushes 34 of fixed mounting on the drive shaft 30, and cleaning brush 34 surface is equipped with the water jet.
The air supply filtering device is provided with the two symmetrical air channels 3, air is filtered by the filter plate 5 when passing through the air channels 3 to remove solid particles in the air, and the two air channels 3 can close the air channel 3 on one side when the filter plate 5 needs to be cleaned, so that normal ventilation is not influenced;
a flow adjusting mechanism 4 is fixedly installed at an open port at one end of the air duct 3, a rotating plate 19 is driven to rotate through a worm 22, a limiting rod 18 moves along a sliding hole 20 when the rotating plate 19 rotates, and meanwhile, a sliding block 16 is driven to slide along a sliding groove 15, so that a baffle 17 moves, the size of a ventilation area of a first air inlet hole 14 is adjusted, the air flow is adjusted, and meanwhile, the air duct can be closed;
the filter plate 5 is detachably connected with the mounting seat 6, when in use, the filter plate 5 is inserted into the air duct 3 through the insertion hole 8, and the filter plate 5 is fixed with the mounting seat 6 through the matching of the insertion block 27 and the insertion slot 26, so that the filter plate 5 can be quickly installed and detached;
the cleaning mechanism 7 is fixedly installed on the installation seat 6, the driving shaft 30 is driven to rotate through the second motor 31, the cleaning brush 34 on the driving shaft 30 is driven to clean the filter plate 5, meanwhile, the clean water for washing is introduced through the water inlet pipe 33, the water for washing is sprayed out from the water spraying port on the surface of the cleaning brush 34 through the water inlet pipeline in the rotary joint 32 and the driving shaft 30, the filter plate 5 is washed, and the sewage after washing enters the waste liquid chamber 9 through the liquid discharge hole 10 at the bottom of the air duct 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (8)

1. An intelligent ventilation and filtration device for a dust-free room is characterized by comprising an exhaust unit, an air conditioning unit, an air supply unit, an environment monitoring unit and a control unit;
the air exhaust unit comprises an air exhaust port and an air exhaust pipeline, the air exhaust port is uniformly arranged in a working area in the building, and the air exhaust pipeline is connected with the air exhaust port and the air conditioning unit;
the air supply unit comprises an air supply outlet, an air supply filtering device and an air supply pipeline, the air supply outlet is fixed with the air outlet end of the air supply filtering device, the air supply pipeline is connected with the air inlet end of the air supply filtering device and the air conditioning unit, and a filter screen detection module, a filter screen cleaning module and a flow monitoring module are arranged in the air supply filtering device;
the air conditioning unit is arranged outside a building wall, an air inlet is formed in the bottom of the air conditioning unit and communicated with the outside atmosphere, and the air conditioning unit is used for filtering, cooling or heating indoor air led in by the return exhaust duct and then sending the indoor air into the air supply unit again;
the environmental monitoring unit comprises a CO2Concentration sensor, temperature sensor, PM2.5The environment monitoring units are uniformly arranged in a working area inside the building;
the control unit comprises a controller and an intelligent terminal, the controller is respectively in signal connection with the air exhaust unit, the air conditioning unit, the air supply unit and the environment monitoring unit, the intelligent terminal is connected with the controller through a wireless network, and an embedded software system is arranged on the intelligent terminal;
the air supply filtering device comprises a device body (1), two ends of the device body (1) are fixedly provided with sleeve joints (2), the device body (1) is internally and symmetrically provided with an air duct (3) in a penetrating manner, one end of the air duct (3) is provided with a fixed mounting flow regulating mechanism (4) in an opening manner, the air duct (3) is internally and sequentially provided with a plurality of filter plates (5) along the air flow direction, the filter plates (5) are detachably connected with a mounting seat (6), the mounting seat (6) is fixedly mounted on the inner wall of the air duct (3), a cleaning mechanism (7) is fixedly mounted on the mounting seat (6), jacks (8) are arranged on the side wall of the device body (1) corresponding to the filter plates (5), a waste liquid chamber (9) is arranged inside the device body (1) below the air duct (3), and a plurality of liquid discharge holes (10) are arranged at the bottom of the air duct (3), the air duct (3) is communicated with the waste liquid chamber (9) through a liquid discharge hole (10), mounting grooves (11) are formed in the outer walls of the front side and the rear side of the device body (1), a cover plate (12) is fixedly mounted in the mounting grooves (11), and the upper end of the cover plate (12) is in damping rotary connection with the mounting grooves (11);
the flow regulating mechanism (4) comprises a fixing plate (13), a first air inlet hole (14) is formed in the middle of the fixing plate (3), a sliding groove (15) is formed in one side surface of the fixing plate (13), a sliding block (16) is arranged in the sliding groove (15), the sliding block (16) is close to a fixed mounting baffle (17) on one side of the air inlet hole (14), a limiting rod (18) is fixedly mounted on one side of the fixing plate (3) and far away from the sliding block (16), the limiting rod (18) penetrates through a rotating plate (19), a sliding hole (20) is formed in the position, corresponding to the limiting rod (18), of the surface of the rotating plate (19), a second air inlet hole (21) is formed in the middle of the rotating plate (19), the rotating plate (19) is rotatably connected with the device body (1), a plurality of meshing teeth are arranged on the edge of the rotating plate (19), a worm (22) is arranged at the top of the rotating plate (19), the worm (22) is matched with the rotating plate (19), one end of the worm (22) is connected with an output shaft of a first motor (23), and the first motor (23) is fixedly installed inside the device body (1).
2. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein the controller is a single chip microcomputer based on an STM32F407ZGT6 chip, and the intelligent terminal is in signal connection with the controller through a 4G network, a 5G network or wireless Wifi.
3. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein the embedded software system comprises an application layer, a system management layer, a device driver layer and a hardware abstraction layer; the application layer comprises operation control, protection control, UART communication control, display control and input control, and realizes the scheduling and effective execution of tasks; the system management layer comprises event management, work management, equipment management and work sequence management which can coordinate work; the device driver layer is an intermediate layer software between the physical layer and the user layer, provides function interfaces for upper layer users, shields physical details, and can call the function interfaces to operate physical modules easily; the hardware abstraction layer is an interface layer between the operating system kernel and the hardware circuitry, which is intended to abstract the hardware.
4. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein an exhaust fan is disposed in the exhaust duct, an air supply fan is disposed in the air supply duct, and both the exhaust fan and the air supply fan are in signal connection with the controller.
5. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein an exhaust filtration device is disposed between the exhaust duct and the air conditioning unit, the exhaust duct is connected to the inlet end of the exhaust filtration device, the outlet end of the air filtration device is connected to the air conditioning unit, and the exhaust filtration device has the same structure as the supply filtration device.
6. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein the sliding slot (15) is a closed hexagonal slot, the baffle (17) is an equilateral triangular plate, and the sliding hole (20) is a kidney-shaped hole.
7. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein the filter plate (5) comprises a mounting plate (24), a socket (25) is formed on one side of the mounting plate (24), slots (26) are formed on the upper and lower side walls of the socket (25), an insert block (27) is fixedly mounted on the upper and lower side walls of the mounting seat (6), the insert block (27) is matched with the slot (26), a handle (28) is fixedly mounted on the other side of the mounting plate (24), a filter screen (29) is fixedly mounted on the surface of the mounting plate (24), and a U-shaped groove is formed on one side of the filter screen (29) corresponding to the socket (25).
8. The intelligent ventilation and filtration device for the clean room as claimed in claim 1, wherein the cleaning mechanism (7) comprises a driving shaft (30), the driving shaft (30) penetrates through the mounting base (6), the driving shaft (30) is rotatably connected with the mounting base (6), one end of the driving shaft (30) is connected with an output shaft of a second motor (31), the second motor (31) is fixed with the inner wall of the air duct (3), the other end of the driving shaft (30) is fixedly provided with a rotary joint (32), a water inlet pipe (33) is fixedly arranged above the rotary joint (32), a water inlet pipe is arranged inside the driving shaft (32), a plurality of cleaning brushes (34) are fixedly arranged on the driving shaft (30), and water spray nozzles are arranged on the surfaces of the cleaning brushes (34).
CN202110172707.0A 2021-02-08 2021-02-08 Intelligent ventilation filter equipment of dust free chamber Active CN112923454B (en)

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CN106382707A (en) * 2016-12-01 2017-02-08 内蒙古创达热管节能设备有限公司 Ventilating energy-saving system for sliding window and use method therefor
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