CN110567070A - Cold and hot exchange type fresh air purification and ventilation device - Google Patents

Cold and hot exchange type fresh air purification and ventilation device Download PDF

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Publication number
CN110567070A
CN110567070A CN201910967954.2A CN201910967954A CN110567070A CN 110567070 A CN110567070 A CN 110567070A CN 201910967954 A CN201910967954 A CN 201910967954A CN 110567070 A CN110567070 A CN 110567070A
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CN
China
Prior art keywords
fresh air
air
heat exchange
heat exchanger
cold
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Pending
Application number
CN201910967954.2A
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Chinese (zh)
Inventor
华乐
彭浩
马刚
华刚
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Wuxi Eplai Environmental Technology Co Ltd
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Wuxi Eplai Environmental Technology Co Ltd
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Priority to CN201910967954.2A priority Critical patent/CN110567070A/en
Publication of CN110567070A publication Critical patent/CN110567070A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • 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
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of 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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • 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
    • F24F7/007—Ventilation with forced flow
    • 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
    • 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
    • F24F8/30—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
    • F24F8/60—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by adding oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/66—Volatile organic compounds [VOC]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

the invention discloses a cold and heat exchange type fresh air purification and ventilation device which comprises a fresh air channel (1), an exhaust channel (2), a multi-layer filtering device (3), a total heat exchange and auxiliary heat device (4) and a gas quality monitoring and optimizing system (5). Fresh air channel (1) includes new trend entry (11), new trend export (12), new trend fan (13), exhaust passageway (2) are including the entry of airing exhaust (21), the export of airing exhaust (22), fan of airing exhaust (23), total heat exchange and supplementary heat device (4) are including total heat exchanger (41), and outdoor air by new trend entry (11) warp total heat exchanger (41) are in under new trend fan (13) effect by new trend export (12) get into indoorly, and indoor air by air exhaust entry (21) warp total heat exchanger (41) are in under fan of airing exhaust (23) effect by export of airing exhaust (22) discharge outdoors.

Description

Cold and hot exchange type fresh air purification and ventilation device
Technical Field
The invention relates to an indoor air optimizing device, in particular to a cold and hot exchange type fresh air purifying and ventilating device.
Background
With the continuous development of industrial enterprises, various pollutants are entrained in air to different degrees, and rooms are usually in a closed state, so that the concentration of the pollutants in the rooms is too high, and the health of people is affected. The existing indoor air optimizing devices such as an air humidifier, an air aerator and the like only have the function of optimizing and adjusting a single air index, and can not meet the requirements of people. The temperature is often unstable in spring and autumn, and the air conditioner is frequently turned on and off, so that the energy consumption of the air conditioner is huge and the electric energy is wasted. Aiming at the requirements of air purification and energy conservation, a multifunctional indoor air optimization device needs to be designed.
Disclosure of Invention
The invention provides a multifunctional indoor air optimizing device, which aims to solve the problems of energy waste caused by multifunctional air index optimization and adjustment, unstable change in a small temperature range, frequent switching on and off of high-power-consumption equipment such as an air conditioner and the like.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: a cold and heat exchange type fresh air purifying and ventilating device comprises a fresh air channel, an exhaust air channel, a multi-layer filtering device, a total heat exchange and auxiliary heat device and a gas quality monitoring system;
The multi-layer filtering device comprises a primary filter arranged at a fresh air inlet and two 13-grade HEPA filters arranged around a fresh air fan in an L shape. The primary filter is cylindrical, is attached to the fresh air inlet, has larger contact area with air, and can effectively filter larger particles and dust in the air. Two 13 grades of HEPA filters are L shape and arrange around the fan in the new trend passageway for the air that comes out by plate heat exchanger all must be through high efficiency filter filtration back, just can get into indoorly. Class 13 HEPA filters, which are 99.7% efficient at 0.1 and 0.3 microns, are the most effective filter media for smoke, dust and bacteria.
The total heat exchange and auxiliary heat device comprises a plate-type heat exchanger for exchanging heat for indoor air and outdoor air and a PTC heating module arranged in the fresh air channel. The plate heat exchanger is formed by brazing fins, a partition plate and a seal strip integrally through nickel base, the fins are novel zigzag fins with variable cross sections, the centers of the flowing directions of the fins are used as boundaries, and the distance between every two fins on the downstream of air flow is smaller than that between every two fins on the upstream of air flow. Through the fins of the encrypted air downstream part, the fins of the air upstream part are reduced, the overall heat exchange performance of the fins can be enhanced, the pressure drop of air is reasonably distributed, and the overall performance of the plate type heat exchanger is improved, so that the load of an air conditioner and a heater is greatly reduced, the indoor temperature and humidity are kept while the indoor air and the outdoor air form ventilation circulation, and the energy-saving effect is achieved.
The gas quality monitoring and optimizing system comprises an indoor temperature and humidity sensor, a pm2.5 sensor, an anion generator, a carbon dioxide sensor, a TVOC sensor and an outdoor temperature sensor. Carry out real-time supervision, intelligent regulation, carbon dioxide sensor, TVOC sensor and pm2.5 sensor are respectively to carbon dioxide content in the air, and organic gaseous state material and tiny particle monitor, and anion generator activates indoor oxygen molecule, generates the clean air who is rich in oxygen to improve the air quality.
The cold and heat exchange type fresh air purifying and ventilating device can be used for controlling fresh air and inquiring the state of the fresh air through WeChat.
Drawings
Fig. 1 is a block diagram of components of a cooling/heating exchange type fresh air purifying ventilator according to an embodiment of the present invention.
Fig. 2 is a schematic external structural view of a cooling-heating exchange type fresh air purifying and ventilating device according to an embodiment of the present invention.
Fig. 3 is a schematic internal structure view of a cooling-heating exchange type fresh air purifying ventilator according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the novel variable pitch zigzag fin according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of indoor and outdoor air exchange of the fresh air purifying and ventilating device according to the embodiment of the invention.
Detailed Description
the present invention is further described with reference to the accompanying drawings, which are intended to illustrate the invention only and not to limit the scope of the invention, and various equivalent modifications or application scopes of the present invention will be those skilled in the art, which fall within the scope of the appended claims of the present application after reading the present invention.
Example (b):
Referring to fig. 1 to 3, the cooling and heating exchange type fresh air purifying and ventilating device of the present invention includes a fresh air channel 1, an exhaust air channel 2, a multi-layer filtering device 3, a total heat exchange and auxiliary heat device 4, and a gas quality monitoring and optimizing system 5.
The fresh air channel 1 comprises a fresh air inlet 11, a fresh air outlet 12 and a fresh air blower 13, the exhaust air channel 2 comprises an exhaust air inlet 21, an exhaust air outlet 22 and an exhaust air blower 23, the total heat exchange and auxiliary heat device 4 comprises a total heat exchanger 41 (the total heat exchanger 41 is a plate-type heat exchanger 41), outdoor air enters the room from the fresh air inlet 11 through the total heat exchanger 41 under the action of the fresh air blower 13 through the fresh air outlet 12, and indoor air is discharged from the room from the exhaust air inlet 21 through the total heat exchanger 41 under the action of the exhaust air blower 23 through the exhaust air outlet 22.
The multi-layer filter device 3 comprises a primary filter 31 mounted at the fresh air inlet and two class 13 HEPA filters 32 arranged in an L around the fresh air blower.
The primary filter can filter large-particle dust, and the 13-grade HEPA filter has the effective rate of 99.7 percent for 0.1 micron and 0.3 micron, and is the most effective filtering medium for smoke, dust, bacteria and the like.
The total heat exchange and auxiliary heat device 4 comprises a plate-type heat exchanger 41 for exchanging heat between indoor air and outdoor air, and a PTC heating module 42 disposed in the fresh air channel. The plate heat exchanger 41 adopts a cold and heat energy recovery technology, greatly reduces the load of an air conditioner and a heater, and keeps indoor temperature and humidity while forming ventilation circulation of indoor and outdoor air, thereby achieving the effect of energy conservation.
The plate heat exchanger 41 is formed by overall nickel-based brazing of fins, partition plates and seals, the fins are novel zigzag fins with variable cross sections, the centers of the fins in the flowing direction are used as boundaries, and the distance between every two fins on the downstream of air flow is smaller than that between every two fins on the upstream of air flow. By encrypting the fins at the downstream portion of the air, reducing the fins at the upstream portion of the air enhances the overall heat exchange performance of the fins, and reasonably distributes the pressure drop of the air, improving the overall performance of the plate heat exchanger 41. Fig. 4 is a schematic structural view of the novel variable pitch zigzag fin according to the embodiment of the present invention.
The gas quality monitoring and optimizing system 5 comprises an indoor temperature and humidity sensor 51, a pm2.5 sensor 52, an anion generator 53, a carbon dioxide sensor 54, a TVOC sensor 55 and an outdoor temperature sensor 56, wherein the indoor temperature and humidity sensor is arranged near an exhaust port in the fresh air channel and is surrounded by a 13-grade HEPA filter which is arranged in an L shape.
The indoor temperature and humidity sensor monitors indoor and outdoor temperature and humidity in real time, the carbon dioxide sensor, the TVOC sensor and the pm2.5 sensor respectively monitor carbon dioxide content, organic gaseous substances and micro particles in air, the negative ion generator activates indoor oxygen molecules to generate clean air rich in oxygen, and therefore air quality is improved.
the cold and heat exchange type fresh air purifying and ventilating device can be used for controlling fresh air and inquiring states through WeChat.
the invention relates to a cold-heat exchange type fresh air purifying and ventilating method, which comprises the following steps: outdoor fresh air passes through the effect of fan in the new trend passageway and gets into this new trend purifier from new trend passageway entry, pass through primary filter at new trend passageway entrance, filter large granule dust in the air, outdoor temperature sensor carries out the humiture measurement to it simultaneously, fresh air after through primary filter passes through plate heat exchanger with indoor discharge outdoor air heat transfer after, through being the 13 grades of HEPA high efficiency filter that L shape was arranged, detach the tiny particle in the air, dust and bacterium. Carbon dioxide sensor, TVOC sensor and pm2.5 sensor monitor carbon dioxide content, organic gaseous state material and tiny particle respectively in the air to feed back to outside on the panel, simultaneously, anion generator activates indoor oxygen molecule, generates the clean air who is rich in oxygen, send into indoor under the effect of new trend passageway fan at last. On the other hand, the indoor air enters the fresh air purifying device from the side surface of the shell under the action of the fan in the exhaust channel, exchanges heat with fresh air through the plate heat exchanger, and then is discharged outdoors. Fig. 5 is a schematic diagram of indoor and outdoor air exchange of the fresh air purifying and ventilating device according to the embodiment of the invention.
When the autumn and winter transition occurs, the auxiliary heating PTC heating module works, and the temperature of fresh air after heat exchange between the plate heat exchanger and indoor air is adjusted by the auxiliary heating PTC heating module in a small range, so that the temperature of the air entering the room is more suitable.
The cold and heat exchange type fresh air purifying and ventilating device of the embodiment adopts an efficient plate heat exchanger, the fins in the heat exchange unit are novel saw-tooth-shaped fins with variable cross sections, the overall heat exchange performance of the plate heat exchanger is greatly improved through selective density distribution, the workload of an air conditioner is reduced, the energy consumption is reduced, and the energy is saved.
The cold and heat exchange type fresh air purifying and ventilating device of the embodiment can be used for carrying out fresh air control and state query through WeChat. Clicking the WeChat binding, clicking an adding button in the interface, waiting for a two-dimensional code picture to appear on the interface, scanning the two-dimensional code by using the mobile phone WeChat, if the two-dimensional code is firstly focused by clicking, replying a binding success message after the scanning is successful, and directly inputting characters or voice in a service number to control the fresh air purifying and ventilating device during control.
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. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. the utility model provides a cold and hot exchange type fresh air purification breather which characterized in that: comprises a fresh air channel (1), an exhaust channel (2), a multi-layer filtering device (3), a total heat exchange and auxiliary heat device (4) and a gas quality monitoring and optimizing system (5).
2. The cold-heat exchange type fresh air purifying and ventilating device according to claim 1, wherein: fresh air channel (1) includes new trend entry (11), new trend export (12), new trend fan (13), exhaust passageway (2) are including the entry of airing exhaust (21), the export of airing exhaust (22), fan of airing exhaust (23), total heat exchange and supplementary heat device (4) are including total heat exchanger (41), and outdoor air by new trend entry (11) warp total heat exchanger (41) are in under new trend fan (13) effect by new trend export (12) get into indoorly, and indoor air by air exhaust entry (21) warp total heat exchanger (41) are in under fan of airing exhaust (23) effect by export of airing exhaust (22) discharge outdoors.
3. A cold-heat exchange type fresh air purifying and ventilating device according to claim 2, wherein: the multi-layer filtering device (3) comprises a primary filter (31) arranged at the fresh air inlet (11) and two 13-grade HEPA filters (32) arranged around the fresh air fan (13) in an L shape.
4. The cold-heat exchange type fresh air purifying and ventilating device according to claim 1, wherein: the total heat exchange and auxiliary heat device (4) comprises a plate type heat exchanger (41) for exchanging heat between indoor air and outdoor air and a PTC heating module (42) arranged in a fresh air channel; the plate heat exchanger (41) adopts a cold and heat energy recovery technology, greatly reduces the load of an air conditioner and a heater, and keeps indoor temperature and humidity while forming ventilation circulation of indoor and outdoor air so as to achieve the effect of energy conservation.
5. the cold and heat exchange type fresh air purifying and ventilating device according to claim 4, wherein: the plate heat exchanger (41) is formed by brazing fins, partition plates and seal strips through nickel base integrally, the fins are novel zigzag fins with variable cross sections, the centers of the flowing directions of the fins are used as boundaries, and the distance between every two fins on the downstream of air flow is smaller than that between every two fins on the upstream of air flow.
6. The cold-heat exchange type fresh air purifying and ventilating device according to claim 1, wherein: the gas quality monitoring and optimizing system (5) comprises an indoor temperature and humidity sensor (51), a pm2.5 sensor (52), a negative ion generator (53), a carbon dioxide sensor (54), a TVOC sensor (55) and an outdoor temperature sensor (56).
7. The cold-heat exchange type fresh air purifying and ventilating device according to claim 1, wherein:
Fresh air purifies breather can carry out the inquiry of the control of fresh air and state through little letter.
8. A cooling and heating exchange type fresh air purifying and ventilating method using the cooling and heating exchange type fresh air purifying and ventilating apparatus according to any one of claims 1 to 7, comprising the steps of:
Outdoor fresh air enters a fresh air purification device from an inlet of a fresh air channel under the action of a fan in the fresh air channel, large-particle dust in the air is filtered through a primary filter at the inlet of the fresh air channel, meanwhile, temperature and humidity measurement is carried out on the fresh air by an outdoor temperature sensor, the fresh air passing through the primary filter is subjected to heat exchange with outdoor air discharged indoors through a plate heat exchanger, and then tiny particles, dust and bacteria in the air are removed through a 13-grade HEPA high-efficiency filter arranged in an L shape; the carbon dioxide sensor, the TVOC sensor and the pm2.5 sensor respectively monitor the carbon dioxide content, organic gaseous substances and micro particles in the air and feed back the carbon dioxide content, the organic gaseous substances and the micro particles to an external panel, meanwhile, the negative ion generator activates indoor oxygen molecules to generate clean air rich in oxygen, and finally the clean air is sent into a room under the action of a fresh air channel fan; on the other hand, the indoor air enters the fresh air purifying device from the side surface of the shell under the action of the fan in the exhaust channel, exchanges heat with fresh air through the plate heat exchanger, and then is discharged outdoors.
9. The cooling-heating exchange type fresh air purifying and ventilating method according to claim 8, characterized in that:
The auxiliary heating PTC heating module works in autumn and winter, and fresh air subjected to heat exchange with indoor air through the plate heat exchanger is subjected to small-amplitude fresh air temperature adjustment through the auxiliary heating PTC heating module, so that the temperature of the air entering the room is more suitable.
10. The cooling-heating exchange type fresh air purifying and ventilating method according to claim 8, characterized in that:
The heat exchange unit fins in the plate heat exchanger are saw-tooth fins with variable cross sections, and are selectively distributed in a dense and dense mode, so that the overall heat exchange performance of the plate heat exchanger is greatly improved.
CN201910967954.2A 2019-10-12 2019-10-12 Cold and hot exchange type fresh air purification and ventilation device Pending CN110567070A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910967954.2A CN110567070A (en) 2019-10-12 2019-10-12 Cold and hot exchange type fresh air purification and ventilation device

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Application Number Priority Date Filing Date Title
CN201910967954.2A CN110567070A (en) 2019-10-12 2019-10-12 Cold and hot exchange type fresh air purification and ventilation device

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CN110567070A true CN110567070A (en) 2019-12-13

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