CN105202646A - Intelligent purification cabinet type fresh air ventilator - Google Patents
Intelligent purification cabinet type fresh air ventilator Download PDFInfo
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- CN105202646A CN105202646A CN201510729303.1A CN201510729303A CN105202646A CN 105202646 A CN105202646 A CN 105202646A CN 201510729303 A CN201510729303 A CN 201510729303A CN 105202646 A CN105202646 A CN 105202646A
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/70—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
- F24F11/77—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 by controlling the speed of ventilators
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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
- 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
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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
- 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
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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
- F24F2110/00—Control inputs relating to air properties
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
- 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
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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
- 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
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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
- 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
- F24F8/192—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 by electrical means, e.g. by applying electrostatic fields or high voltages
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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
- 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
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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
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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
- F24F11/62—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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/52—Air quality properties of the outside air
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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
- 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]
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an intelligent purification cabinet type fresh air ventilator. The intelligent purification cabinet type fresh air ventilator comprises a controller and a VOC (Volatile Organic Compounds) concentration sensor connected with the controller, wherein the VOC concentration sensor is arranged in an air return space; the controller is used for adjusting operating air velocities of an air blower and an exhaust fan in real time according to VOC concentrations detected by the VOC concentration sensor at a fixed time interval. Furthermore, the controller is also used for automatically obtaining outdoor air quality indexes periodically, and controlling the air blower and the exhaust fan, and when the outdoor air quality levels are serious pollution and severe pollution, the air blower and the exhaust fan are powered off. According to the intelligent purification cabinet type fresh air ventilator, the VOC concentration sensor, a humidity sensor and a plurality of temperature sensors are arranged inside a shell, so that the intelligent control of the complete machine is realized. The structure inside the shell is reasonably designed, and a three-stage purification device and a negative ion generator are arranged in an air supply channel, so that the quality demand on indoor air is met, and the purification efficiency of fresh air is ensured.
Description
Technical field
The present invention relates to a kind of fresh air ventilator, particularly relate to the cabinet type fresh air ventilator of a kind of Intelligent purifying, belong to fresh-air ventilation apparatus field.
Background technology
Fresh air ventilator is a kind of effective ventilation and air cleaning facility, can replace indoor with outdoor air, use new wind convection current and two-way aeration techniques, by independently blowing and air inducing, on the one hand outside the air discharge chamber of foul indoor, on the other hand outdoor ozone is transported to indoor after purifying, allows in room and be all full of ozone all the time.Fresh air ventilator can prevent the airtight oxygen-demanding pollution brought in house, removes furniture, decoration, finishing pollution, discharges foreign flavor indoors, accelerates air circulation, reduces airway infection transmission of disease risk.
Existing fresh air ventilator can meet the ventilation demand of market, hotel and large-scale house substantially.In these large-scale houses, fresh air ventilator generally adopts ceiling mounting type type to be installed on the top in house, and the pipeline be then connected with the air inlet of fresh air ventilator, exhaust outlet, return air inlet and air outlet respectively by many, realizes ventilatory.Its main type can be fresh air ventilator disclosed in the Chinese patent of CN202281333U and CN101957033A see publication number.The fresh air ventilator of this ceiling mounting type is comparatively large due to installing space, be not too suitable for some do not have and be not easy to that furred ceiling finishing and interior decoration complete high-end residential and office space use.In order to meet there is no furred ceiling or be not easy to furred ceiling or interior decoration complete, but the places such as the exigent high-end residential of air quality or office to be used, need to develop that floor space is little, volume is little, be applicable to the fresh air ventilator that console mode is installed.
In addition, the progressively lifting required room air along with people, in the R&D process of various air regenerating device, adds the concern to VOC (VOC) concentration gradually.Such as, the new blower fan of intelligent console mode disclosed in the Chinese utility model that the patent No. is ZL201520118484.X, it adopts the mode of air-supply, lower return air, and its new wind intelligent controller is connected with carbon dioxide CO
2concentration sensor, VOC air mass sensor and humidity temperature pickup.The new blower fan of this intelligent console mode can monitor IAQ level, and automatically regulates blower fan start and stop and operating condition, but does not relate to effectively controlling in real time based on VOC concentration in this patent.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Intelligent purifying cabinet type fresh air ventilator.
In order to realize foregoing invention object, the present invention adopts following technical proposals:
The cabinet type fresh air ventilator of a kind of Intelligent purifying, comprise controller, the VOC concentration sensor be connected with described controller, described VOC concentration sensor is arranged on return air space; Described controller is used for the operating air velocity being adjusted pressure fan and exhaust blower by described VOC concentration sensor in the VOC concentration that Fixed Time Interval detects in real time.
Wherein more preferably, when described VOC concentration sensor detects that VOC concentration is greater than first threshold, described controller controls described pressure fan and described exhaust blower runs with maximum wind velocity; When described VOC concentration sensor detects that VOC concentration is less than Second Threshold, described controller controls described pressure fan and described exhaust blower low cruise; Described first threshold is greater than described Second Threshold; When described VOC concentration sensor detects that VOC concentration is between first threshold and Second Threshold, described controller controls described pressure fan and described exhaust blower runs with the wind speed of middle gear.
Wherein more preferably, described controller is used for regularly automatically obtaining Outdoor Air Quality index, and judges Outdoor Air Quality, when the air quality grade of outdoor be serious pollution and severe contamination time, close described pressure fan and described exhaust blower.
Wherein more preferably, described controller is configured with wireless communication module, for can the control terminal of sending controling instruction communicating with external remote controller or other.
Wherein more preferably, the testing result that described controller is used for detecting according to described VOC concentration sensor continuous several times generates the information that new wind roughing efficiency air filter need clean; When described VOC concentration sensor continuous several times detects that VOC concentration is greater than the first threshold of setting, described controller generates the information that new wind roughing efficiency air filter need clean, and described information is sent to human-computer interaction interface and carries out showing and/or described information being sent to other control terminals.
Wherein more preferably, described controller is used for the comparative result of temperature and the indoor temperature setting value t detected according to return air temperature sensor, controls compressor or electric heating equipment operation;
In summer, when return air temperature is greater than indoor temperature setting value t, starts compressor and new wind is freezed; Be not more than after indoor temperature setting value t until return air temperature, close compressor;
In the winter time, when return air temperature is less than indoor temperature setting value t, startup compressor or electric heating equipment heat new wind; Be not less than after indoor temperature setting value t until return air temperature, close compressor or electric heating equipment.
Wherein more preferably, comprise the rectangular enclosure vertically arranged, wherein, top board has been arranged side by side return air inlet and air outlet, described return air inlet is arranged near left plate; The bottom of back side panel is provided with fresh wind port and exhaust outlet, and described fresh wind port is arranged near left plate, and described exhaust outlet is arranged near described right plate;
The inside of described casing is separated into four-level space from top to bottom, is followed successively by overhead, second layer space, third layer space and bottom space;
Wherein, in described third layer space, the mode that rhombus is horizontal is provided with heat exchanger, and above described heat exchanger, form larger air-supply space and less return air space, form larger new wind space and less air draft space in the below of described heat exchanger.
Wherein more preferably, described controller is arranged on described return air space and arranges near described front side board, and described controller is arranged in described second layer space.
Wherein more preferably, new wind roughing efficiency air filter and precipitator is had at described new wind spatial placement; Described electrostatic precipitator is arranged on the position of described bottom space near described heat exchanger, and described new wind roughing efficiency air filter is arranged on the position closer to described fresh wind port below described electrostatic precipitator;
Anion generator and high efficiency particulate air filter is had at described air-supply spatial placement; Described anion generator and blower setting are in described second layer space; Described high efficiency particulate air filter is arranged in described overhead;
The dirty wind air intake surface of described heat exchanger is provided with return air roughing efficiency air filter.
Wherein more preferably, near described fresh wind port, electric heating equipment is provided with; The temperature-adjusting device be made up of compressor, condenser, evaporimeter, cross valve and refrigerant is provided with at described overhead.
The cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, by arranging VOC concentration sensor at casing internal, and arranging multiple temperature sensor at air exhaust passage and air-supply passage, achieving the Based Intelligent Control of whole type.The cabinet type fresh air ventilator of this Intelligent purifying, can also carry out controlled in wireless by the control terminal of peripheral hardware.In addition, the cabinet type fresh air ventilator of this Intelligent purifying, by carrying out appropriate design to the structure of casing internal, make whole model structure compact, there is in air-supply passage the proportional space for installing three grades of purifiers and anion generator, making windage and the pressure balance of air-supply passage and air exhaust passage.The cabinet type fresh air ventilator of this Intelligent purifying, by arranging three grades of purifiers and anion generator in air-supply passage, meeting the quality requirement of room air, ensure that the purification efficiency of new wind; And by arranging return air roughing efficiency air filter at air exhaust passage, preliminary purified treatment has been carried out to the dirty wind outside discharge chamber.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the cabinet type fresh air ventilator of Intelligent purifying provided by the present invention;
Fig. 2 is the ventilation principle schematic diagram of the cabinet type fresh air ventilator of Intelligent purifying shown in Fig. 1;
Fig. 3 is the operational process schematic diagram of the cabinet type fresh air ventilator of Intelligent purifying shown in Fig. 1;
Fig. 4 is the concrete control flow schematic diagram of various control pattern in Fig. 3;
Fig. 5 is the message processing flow schematic diagram in real-time monitor procedure;
Fig. 6 is the another kind of handling process schematic diagram of automatic mode shown in Fig. 3.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technology contents of the present invention is described in further detail.
Composition graphs 1 and Fig. 2 known, the cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, comprise the rectangular enclosure 10 vertically arranged, rectangular enclosure 10 is made up of front side board, back side panel, left plate, right plate, top board and base plate, wherein, front side board, back side panel, left plate are identical with the height of right plate, and the width of left plate and right plate is less than the width of front side board and back side panel.The top board of casing 10 is provided with return air inlet 13 and air outlet 12, and return air inlet 13 and air outlet 12 are arranged side by side, and return air inlet 13 is near left plate; Be provided with fresh wind port 11 and exhaust outlet 14 in the bottom of the back side panel of casing 10, fresh wind port 11 is arranged near left plate, and exhaust outlet 14 is arranged near right plate, and fresh wind port 11 and exhaust outlet 14 can be arranged on height and positions different on back side panel.
As shown in Figure 1, the inside of casing 10 is divided into four-level space by three horizontally disposed frameworks (top layer frame 16, second layer framework 19 and third layer framework 19A) from top to bottom, is followed successively by overhead, second layer space, third layer space and bottom space.Wherein, heat exchanger 15 is provided with in third layer space, in overhead and second layer space, be respectively arranged with vertical dividing plate, two pieces of dividing plates connect, thus the top of casing 10 are divided into the return air space be communicated with return air inlet 13 and the air-supply space be communicated with air outlet 12; Equally, be provided with vertical dividing plate 20 in bottom space, the bottom of casing 10 is divided into the new wind space be communicated with fresh wind port 11 and the air draft space be communicated with exhaust outlet 14 by dividing plate 20; New wind space and air-supply space, by the new wind channel connection of heat exchanger 15 inside, form the complete air-supply passage from fresh wind port 11 to air outlet 12; Return air space and air draft space, by the dirty wind channel connection of heat exchanger 15 inside, form the complete air exhaust passage from return air inlet 13 to exhaust outlet 14, and the new wind passage of heat exchanger 15 inside and dirty wind channels intersect are arranged.In the cabinet type fresh air ventilator of this Intelligent purifying, by rationally arranging dividing plate in the inside of casing 10, make the space of space much larger than air exhaust passage of the air-supply passage of casing 10 inside, thus the three grades of purifiers comprising new wind roughing efficiency air filter 21, electrostatic precipitator 22 and high efficiency particulate air filter 23 can be set in air-supply passage, and make the windage of air-supply passage and air exhaust passage suitable, ensure the even running of heat exchanger 15; In addition, anion generator 25 can also be set in air-supply passage, for carrying out further purified treatment to being about to be admitted to indoor new wind.
Specifically, the heat exchanger 15 arranged in the third layer space of casing 10 adopts plate-fin distributary heat exchanger, the mode that heat exchanger 15 adopts rhombus horizontal is arranged on the inside of casing 10, its short transverse extends along the fore-and-aft direction of casing 10, and heat exchanger 15 has and the left plate of casing 10 and the basically identical height of the width of right plate.On the front side board that two end faces of heat exchanger 15 are connected to casing 10 respectively and back side panel; The corner angle staff of heat exchanger 15 and base angle line are separately fixed on framework 19 and 19A, on the left plate that left comer line and right corner line are separately fixed at casing 10 and right plate.Certainly, on the left comer line of heat exchanger 15 and the right corner line left plate that also can be connected to casing 10 by accessory septa and right plate.
Vertical dividing plate 17 and 18 is respectively arranged with, on the front side board that the both sides, front and back of dividing plate 17 and 18 are connected to casing 10 respectively and back side panel in the overhead and second layer space of casing 10.Dividing plate 17 is made up of the intermediate plate vertically arranged, the top plate be obliquely installed and the bottom plate that is obliquely installed, wherein, the lower edge of top plate and the upper of intermediate plate are along being connected, the upper position along tilting to extend between return air inlet 13 and air outlet 12 of top plate, the upper edge of bottom plate and the lower of intermediate plate are along being connected, and the lower of bottom plate is connected on top layer frame 16 along inclination.Dividing plate 18 is vertically arranged, and the top of dividing plate 18 is fixed on top layer frame 16, and is connected with the lower edge of the bottom plate of dividing plate 17, and the bottom of dividing plate 18 is connected on second layer framework 19.Region in second layer framework 19 between the lower edge of dividing plate 18 and the corner angle staff of heat exchanger 15 is provided with seal diaphragm 19A (see Fig. 2).Thus forming two isolated spaces on heat exchanger 15 top, is the return air space between return air inlet 13 and the dirty wind air intake surface of heat exchanger 15 and the air-supply space between air outlet 12 and the new wind outlet air surface of heat exchanger 15 respectively.
Orientation shown in Figure 1, wherein, return air space is near the left plate of casing 10, and air-supply space is near the right plate of casing 10.Dividing plate 17 and 18 all so that near left plate, mode away from right plate is arranged, and, the intermediate plate 17B of dividing plate 17 relative to dividing plate 18 closer to left plate; Thus make air-supply space have larger space relative to return air space, be convenient at air-supply spatial placement for carrying out the equipment of purified treatment to new wind.Such as, as depicted in figs. 1 and 2, in air-supply space, high efficiency particulate air filter 23, pressure fan 24 and anion generator 25 is provided with.Wherein, high efficiency particulate air filter 23 is arranged on the position of overhead near air outlet 12, and is fixed on bottom it on top layer frame 16.Pressure fan 24 is arranged in second layer space by support 240.Pressure fan 24 adopts the spiral case blower fan of two sides air intake, and its air outlet is arranged towards high efficiency particulate air filter 23.Anion generator 25 is arranged in second layer space, specifically, on any side plate that anion generator 25 can be fixed on the air-supply space in second layer space or dividing plate, such as, can be arranged on as shown in Figure 1 on the seal diaphragm 19A of second layer framework 19.
In the bottom space of casing 10, be provided with vertical dividing plate 20, the front side of dividing plate 20 is connected on the front side board of casing 10, and rear side is connected to the position on back side panel between fresh wind port 11 and exhaust outlet 14.The bottom of dividing plate 20 is fixed on the base plate of casing 10, and the top of dividing plate 20 is connected with the gripper shoe 220 of electrostatic precipitator 22; The top of gripper shoe 220 is fixed on third layer framework 19A; The two ends of electrostatic precipitator 22 are separately positioned in left plate and gripper shoe 220, and electrostatic precipitator 22 is arranged on the position near the new wind air intake surface of heat exchanger 15 in bottom space.Region in third layer framework 19 ' between the upper edge of gripper shoe 220 and the base angle line of heat exchanger 15 is also provided with seal diaphragm 19 ' A (see Fig. 2).Thus, form two isolated spaces in heat exchanger 15 bottom, be respectively the new wind space between fresh wind port 11 and the new wind air intake surface of heat exchanger 15 and the air draft space between exhaust outlet 14 and the dirty wind outlet air surface of heat exchanger 15.
See also the orientation shown in Fig. 1, wherein, new wind space is near the left plate of casing 10, and air draft space is near the right plate of casing 10.Dividing plate 20 is arranged in the mode near right plate away from left plate, thus make new wind space have larger space relative to air draft space, be convenient at the equipment of new wind spatial placement for purifying new wind, such as, at new wind spatial placement electrostatic precipitator 22 as shown in Figure 1 and new wind roughing efficiency air filter 21.Wherein, electrostatic precipitator 22 is arranged on the position near third layer framework 19A, and new wind roughing efficiency air filter 21 is arranged on the position of below closer to fresh wind port 11 of electrostatic precipitator 22, for carrying out preliminary purification to new wind.
Be provided with exhaust blower 26 in air draft space on the right side of dividing plate 20, exhaust blower 26 is arranged in bottom space by support 260, and exhaust blower 26 adopts the spiral case blower fan of single admission, and its air outlet is arranged towards exhaust outlet 14.In addition, in order to carry out preliminary purified treatment to the dirty wind outside discharge chamber, return air roughing efficiency air filter 30 is also provided with in air exhaust passage in casing 10, return air roughing efficiency air filter 30 can be arranged on the dirty wind air intake surface of heat exchanger 15, thus makes the internal structure of the cabinet type fresh air ventilator of whole Intelligent purifying compacter.
The cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, by rationally arranging the structure of its inside, under guarantee air exhaust passage, air-supply passage have reasonable windage and ensure the prerequisite of pressure balance, have compressed the volume of air exhaust passage as much as possible, the volume of whole type is reduced.In addition, all the time barotropic state is in order to make room air, avoid outdoor air to enter indoor from other approach (such as door, window) outside air-supply passage, the air quantity of the pressure fan 24 used in the cabinet type fresh air ventilator of this Intelligent purifying is greater than the air quantity of exhaust blower 26.
The cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, can meet the purified treatment to new wind, ensures indoor air quality.Specifically, the cabinet type fresh air ventilator of above-mentioned Intelligent purifying, is provided with the three grades of purifiers comprising new wind roughing efficiency air filter 21, electrostatic precipitator 22 and high efficiency particulate air filter 23 in air-supply passage.Wherein, new wind roughing efficiency air filter 21 can adopt active carbon filter core or other filter cores, and high efficiency particulate air filter 23 can adopt efficient HEAP filter 23, and in use, electrostatic precipitator 22 and high efficiency particulate air filter 23 can according to Outdoor Air Quality selectively unlockings.By above-mentioned three grades of purifiers, the clearance of complete machine PM2.5 can reach 99.9%.In addition, in air-supply passage, anion generator 25 is also provided with; For carrying out negative oxygen ion purification to new wind, making the air after filtration, purification be rich in negative oxygen ion, allowing indoor air become more healthy, more pure and fresh.Because electro-static precipitation device 22 pairs of anions have suction-operated, and negative oxygen ion is electronegative, if anion generator 25 to be arranged on the windward of electrostatic precipitator 22, then a large amount of negative oxygen ions may be adsorbed by electro-static precipitation device 22, cause the concentration of negative oxygen ion not enough, do not have the effect improving air quality, so, in the cabinet type fresh air ventilator of this Intelligent purifying, anion generator 25 is arranged on the lee side of electro-static precipitation device 22, such negative oxygen ion all can be fed to indoor, to ensure the negative oxygen ion concentration sending into room air.
The cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, can also carry out preliminary purified treatment to dirty wind.Return air roughing efficiency air filter 30 is provided with in air exhaust passage.The cabinet type fresh air ventilator of this Intelligent purifying can be changed according to actual air clean-up effect real-time prompting or clean above-mentioned air cleaning unit, the description during concrete prompting details can vide infra.
In order to reach energy-conservation object, the cabinet type fresh air ventilator of this Intelligent purifying uses variable-frequency pressure fan 24 and exhaust blower 26; And by arranging the VOC concentration sensor 27 and humidity sensor 28 that are used for air V OC concentration in sensing chamber at air exhaust passage, realize the real-time monitoring to IAQ, thus in real time the operating air velocity of pressure fan 24 and exhaust blower 26 is adjusted according to room air VOC concentration, air humidity parameter.In addition, one or more temperature sensor is also respectively arranged with in the air-supply passage and air exhaust passage of the cabinet type fresh air ventilator of this Intelligent purifying, for detecting the temperature of the dirty wind sent into outside indoor new wind and discharge chamber, thus can adjust by the wind speed to pressure fan 24 and exhaust blower 26 according to indoor temperature and outdoor temperature.Specifically, in return air space, be provided with return air temperature sensor 31, have new air temperature sensor 32 at new wind spatial placement, have wind pushing temperature sensor 33 at air-supply spatial placement, have temperature of outgoing air sensor 34 at air draft spatial placement.
Epimere uses the situation of total-heat exchanger for heat exchanger 15, is described the set-up mode of sensor.When heat exchanger 15 adopts sensible heat exchanger, can save in casing 10 and humidity sensor 28 is set, humidity sensor 28 can certainly be set.
In addition, in order to ensure the temperature and humidity sending into indoor new wind, can arrange electric heating equipment near fresh wind port 11, electric heating equipment can according to the concrete condition selectively unlocking of indoor temperature and outdoor temperature.In the cabinet type fresh air ventilator of this Intelligent purifying, the temperature-adjusting device be made up of compressor, condenser, evaporimeter, cross valve and refrigerant can also be set, temperature-adjusting device can temperature detected by return air temperature sensor 31 and wind pushing temperature sensor 33, and the indoor temperature setting value combining artificial setting carries out temperature adjustment, thus ensure indoor temperature constant, create comfortable, clean, a satisfied living environment to user.Temperature-adjusting device is arranged in overhead, is arranged between pressure fan 24 and high efficiency particulate air filter 23, and compressor and condenser are arranged in an airtight space, and evaporimeter is arranged on the air outlet place of pressure fan 24.
Controller 40 is also provided with in the cabinet type fresh air ventilator of this Intelligent purifying, more preferably, controller 40 is arranged on return air space and is arranged in second layer space, controller 40 is arranged near the front side board of casing 10, and connect with the human-computer interaction interface be arranged on the front side board of casing 10 (such as, touch-screen).This controller 40 is configured with wireless communication module, for with external remote controller or other can sending controling instruction control terminal (such as, smart mobile phone or the panel computer of control program are installed) communicate, wireless communication module and the communication module of control terminal can adopt bluetooth, WiFi, GPRS or infrared in any one communication mode communicate.Controller 40 also timing can obtain local air quality class information by wireless communication module, and is presented on human-computer interaction interface.In the cabinet type fresh air ventilator of this Intelligent purifying, controller 40 is connected with VOC concentration sensor 27, humidity sensor 28, return air temperature sensor 31, new air temperature sensor 32, wind pushing temperature sensor 33 and temperature of outgoing air sensor 34 respectively; Further, controller 40 is also connected with pressure fan 24, exhaust blower 26, electrostatic precipitator 22, high efficiency particulate air filter 23 and anion generator 25 respectively.Be introduced below in conjunction with the control procedure of the logic control chart shown in Fig. 3 to Fig. 6 to the cabinet type fresh air ventilator of this Intelligent purifying.
As shown in Figure 3, when after the cabinet type fresh air ventilator of startup Intelligent purifying, first, controller 40 starts pressure fan 24 and exhaust blower 26 runs (such as when employing has pressure fan and the exhaust blower of 8 grades of air quantity by maximum wind velocity, make it according to the 8th grade of operation), and startup electrostatic precipitator 22 and anion generator 25 run 1 minute simultaneously; Then, associative mode operation is entered according to the instruction received from touch-screen or from the instruction that other control terminals receive; When not receiving control instruction, automatically entering automatic mode and running.In running, controller 40 is monitored in real time by new air temperature, temperature of outgoing air, main frame door opening and the integrated information such as indoor temperature, outdoor temperature received; Further, controller 40 can switch to the mode operation corresponding to instruction according to the instruction received at any time.When controller 40 detects that main frame door is opened, automatically cut off forceful electric power power supply; And display screen warning on the touchscreen, prompting Shutdown Hosts door.When controller 40 receives shutdown or standby command, controller 40 controls the device shutdown that pressure fan 24, exhaust blower 26, electrostatic precipitator 22, anion generator 25 etc. are running, and then, touch-screen puts out screen over time and enters holding state.
Below in conjunction with Fig. 4, the operational process of the cabinet type fresh air ventilator of this Intelligent purifying under these 4 kinds of operational modes of automatic mode, manual mode, sleep pattern and timing mode is introduced.
In automatic mode, controller 40 adjusts the operating air velocity of pressure fan 24 and exhaust blower 26 in real time in the VOC concentration that Fixed Time Interval detects by VOC concentration sensor 27, when VOC concentration is greater than the first threshold that sets in advance (such as, setting first threshold is 2000ppm, ppm is ppm) time, control pressure fan 24 and exhaust blower 26 gradual change, to the 8th grade of operation, are namely blown with maximum wind velocity; When VOC concentration is less than Second Threshold (such as, setting Second Threshold is 1000ppm) that set in advance, control pressure fan 24 and exhaust blower 26 gradual change are to the 2nd grade of low cruise; When VOC concentration is between first threshold and Second Threshold time (1000ppm ~ 2000ppm), control pressure fan 24 and exhaust blower 26 gradual change to the 5th grade of (namely wind speed) operation.Above-mentioned first threshold is greater than Second Threshold, the concrete numerical value of first threshold and Second Threshold can be determined according to mandatory GB GB18582-2001 or environmental label certification standard HBCl2-2002 or other and the concentration dependent universal standard of VOC, also rule of thumb can be modified by technical staff or user.
Because the time interval of VOC concentration sensor 27 twice detection is fixed, when VOC concentration sensor 27 continuous several times detects that VOC concentration is greater than first threshold, controller 40 points out new wind roughing efficiency air filter 21 to need cleaning at human-computer interaction interface.Such as, suppose that VOC concentration sensor 27 gathers the VOC concentration in primary retirn air every 1min, when VOC concentration sensor collect for 27 continuous ten times VOC concentration value be greater than 2000ppm time, namely still can not improve indoor return air quality after pressure fan 24 and exhaust blower 26 run 10min with maximum wind velocity, then controller 40 points out new wind roughing efficiency air filter 21 to need cleaning to user; If VOC concentration sensor 27 detects that within the longer time VOC concentration value of return air exceeds standard, then controller 40 can forced stoppage.In addition, controller 40 also regularly can point out user to clean new wind roughing efficiency air filter 21 according to setting-up time, within such as 3 months or 6 months, points out once.And this information can also be sent on other control terminals so that user obtains this information in time by controller 40 simultaneously.
In a manual mode, controller 40, by the type according to the operational order received, carries out corresponding control.When receiving the instruction regulating air quantity, pressure fan 24 and exhaust blower 26 are adjusted to corresponding wind speed and run by controller 40.When receiving the instruction regulating indoor temperature, such as, indoor temperature setting value is set to t, controller 40, by the comparative result according to the return air temperature detected and indoor temperature setting value t, controls compressor or electric heating equipment operation.Such as, in summer, when return air temperature is greater than indoor temperature setting value t, starts compressor and freeze to sending into indoor new wind; Be not more than after indoor temperature setting value t until return air temperature, close compressor.In the winter time, when return air temperature is less than indoor temperature setting value t, startup compressor or electric heating equipment heat sending into indoor new wind; Be not less than after indoor temperature setting value t until return air temperature, close compressor or electric heating equipment.
In addition, controller 40 also can switch to timing mode or sleep pattern operation according to the instruction received in real time.Under timing mode, controller 40 runs at the corresponded manner of different time sections according to user's setting.Such as, user can arrange available machine time and unused time according to self-demand, and the set time point that can be arranged on every day regulates the wind speed of pressure fan 24 and exhaust blower 26, thus controller 40 can in setting-up time Auto Power On or shutdown; And at the operating air velocity of setting-up time automatic switchover pressure fan 24 and exhaust blower 26.In a sleep mode, controller 40 controls pressure fan 24 and exhaust blower 26 gradual change to the first grade wind speed (i.e. minimum windspeed) operation.
Above the basic operational process of four kinds of operational modes that the cabinet type fresh air ventilator of this Intelligent purifying possesses is introduced.Under above-mentioned various operational mode, controller 40 is monitored the comprehensive condition of the cabinet type fresh air ventilator of this Intelligent purifying all simultaneously in real time, to ensure normal operation.Below in conjunction with Fig. 5, the real-time monitor portion of controller 40 is introduced.
In real-time monitor portion, whether controller 40 pairs of main frame doors open and whether E0 and E1 normally monitors in real time.When detecting that main frame door is opened, controller 40 cuts off forceful electric power power supply, and display screen warning; When detecting that main frame door is in closed condition, controller 40 normally runs.And when controller 40 detects EO short circuit or E1 open circuit, automatically cut off forceful electric power power supply; In other situations, 40 controllers 40 normally run.
Controller 40 is also to temperature of outgoing air with whether new air temperature is too low detects.When detecting that temperature of outgoing air is less than 0 DEG C, the phenomenon that exhaust outlet may freeze, thus airduct may be caused to block.Now, pressure fan 24 need be closed and start exhaust blower 26 with the 8th grade of (maximum wind velocity) continuous service, until exhaust outlet temperature is higher than 0 DEG C, playing the anti-icing stifled effect of exhaust outlet; When detecting that temperature of outgoing air is not less than 0 DEG C, controller 40 normally runs.
In like manner, when detecting that new air temperature is less than-10 DEG C, the phenomenon that device interior may freeze, if frozen, heat exchanger 15 may be caused to block, cause not having new wind to send into indoor, serious may cause equipment burnout.Now, controller 40 can start electric heating equipment and carry out preheating to new wind air, specifically, the new air temperature of difference that can record according to new air temperature sensor 32, make electric heating equipment with different gear and Power operation, thus heat new wind air, make new air temperature be heated to more than-10 DEG C, play the effect that device interior is anti-freeze; After detecting that new air temperature is greater than-5 DEG C, close electric heating equipment.When new air temperature sensor 32 detects that new air temperature is greater than-10 DEG C, controller 40 controls whole equipment and normally runs.
In addition, all right Real-Time Monitoring return air inlet temperature of controller 40, thus return air inlet temperature and indoor temperature setting value t are contrasted, realize the real-time control to compressor and electric heating equipment.In summer, when return air temperature is greater than indoor temperature setting value t, starts compressor and freeze to sending into indoor new wind; Be not more than after indoor temperature setting value t until return air temperature, close compressor.In the winter time, when return air temperature is less than indoor temperature setting value t, startup compressor or electric heating equipment heat sending into indoor new wind; Be not less than after indoor temperature setting value t until return air temperature, close compressor or electric heating equipment.
Above-mentioned automatic mode is better than controlling premised on IAQ by Outdoor Air Quality all the time, but in real life, Outdoor Air Quality is larger by atmospheric effect fluctuation; Especially recent years, the weather serious along with air pollutions such as hazes increases, and when occupancy is less, when part, Outdoor Air Quality will be worse than IAQ.For this reason, the schematic flow sheet of another kind of automatic mode is as shown in Figure 6 provided.
Wherein, controller 40 regularly can obtain Outdoor Air Quality index automatically according to wireless communication module, and Outdoor Air Quality is judged, such as existing six grades of gas level, when the gas level of outdoor is higher than the fourth stage (being: serious pollution and severe contamination), close pressure fan 24 and exhaust blower 26; Only have when Outdoor Air Quality is excellent, good, slight pollution, the cabinet type fresh air ventilator of this Intelligent purifying normally runs.The particular content of six grades of gas level can specify see " ambient air quality index (AQI) technical stipulation (trying) " (HJ633-2012), wherein AQI index is larger, air quality rank is higher, illustrate that pollution is more serious, also more obvious on the impact of health.Under the automatic mode shown in Fig. 6, the control flow shown in other control flow with Fig. 4 with Fig. 5 of controller 40 is identical, is not described in detail in this.
In sum, the cabinet type fresh air ventilator of Intelligent purifying provided by the present invention, by arranging VOC concentration sensor at casing internal, and arranging multiple temperature sensor at air exhaust passage and air-supply passage, achieving the Based Intelligent Control of whole type.The cabinet type fresh air ventilator of this Intelligent purifying, can also carry out controlled in wireless by the control terminal of peripheral hardware.In addition, the cabinet type fresh air ventilator of this Intelligent purifying, by carrying out appropriate design to the heat exchanger of casing internal and multiple dividing plate, make whole model structure compact, and make the proportional space that is provided with in air-supply passage for installing three grades of purifiers and anion generator, ensure that windage and the pressure balance of casing internal.The cabinet type fresh air ventilator of this Intelligent purifying, by arranging three grades of purifiers and anion generator in air-supply passage, meeting the quality requirement of room air, ensure that the purification efficiency of new wind; And by arranging return air roughing efficiency air filter at air exhaust passage, preliminary purified treatment has been carried out to the dirty wind outside discharge chamber.
Above the cabinet type fresh air ventilator of Intelligent purifying provided by the present invention is described in detail.To those skilled in the art, to any apparent change that it does under the prerequisite not deviating from connotation of the present invention, all the protection domain of patent right of the present invention will be belonged to.
Claims (10)
1. the cabinet type fresh air ventilator of Intelligent purifying, is characterized in that:
Comprise controller, the VOC concentration sensor be connected with described controller, described VOC concentration sensor is arranged on return air space;
Described controller is used for the operating air velocity being adjusted pressure fan and exhaust blower by described VOC concentration sensor in the VOC concentration that Fixed Time Interval detects in real time.
2. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 1, is characterized in that:
When described VOC concentration sensor detects that VOC concentration is greater than first threshold, described controller controls described pressure fan and described exhaust blower runs with maximum wind velocity;
When described VOC concentration sensor detects that VOC concentration is less than Second Threshold, described controller controls described pressure fan and described exhaust blower low cruise; Described first threshold is greater than described Second Threshold;
When described VOC concentration sensor detects that VOC concentration is between first threshold and Second Threshold, described controller controls described pressure fan and described exhaust blower runs with the wind speed of middle gear.
3. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 1, is characterized in that:
Described controller is used for regularly automatically obtaining Outdoor Air Quality index, and judges Outdoor Air Quality, when the air quality grade of outdoor be serious pollution and severe contamination time, close described pressure fan and described exhaust blower.
4. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 1, is characterized in that:
Described controller is configured with wireless communication module, for can the control terminal of sending controling instruction communicating with external remote controller or other.
5. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 1, is characterized in that:
The testing result that described controller is used for detecting according to described VOC concentration sensor continuous several times generates the information that new wind roughing efficiency air filter need clean; When described VOC concentration sensor continuous several times detects that VOC concentration is greater than the first threshold of setting, described controller generates the information that new wind roughing efficiency air filter need clean, and described information is sent to human-computer interaction interface and carries out showing and/or described information being sent to other control terminals.
6. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 1, is characterized in that:
Described controller is used for the comparative result of temperature and the indoor temperature setting value t detected according to return air temperature sensor, controls compressor or electric heating equipment operation;
In summer, when return air temperature is greater than indoor temperature setting value t, starts compressor and new wind is freezed; Be not more than after indoor temperature setting value t until return air temperature, close compressor;
In the winter time, when return air temperature is less than indoor temperature setting value t, startup compressor or electric heating equipment heat new wind; Be not less than after indoor temperature setting value t until return air temperature, close compressor or electric heating equipment.
7. the cabinet type fresh air ventilator of the Intelligent purifying as described in claim 1 ~ 6, is characterized in that:
Comprise the rectangular enclosure vertically arranged, wherein, top board has been arranged side by side return air inlet and air outlet, described return air inlet is arranged near left plate; The bottom of back side panel is provided with fresh wind port and exhaust outlet, and described fresh wind port is arranged near left plate, and described exhaust outlet is arranged near described right plate;
The inside of described casing is separated into four-level space from top to bottom, is followed successively by overhead, second layer space, third layer space and bottom space;
Wherein, in described third layer space, the mode that rhombus is horizontal is provided with heat exchanger, and above described heat exchanger, form larger air-supply space and less return air space, form larger new wind space and less air draft space in the below of described heat exchanger.
8. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 7, is characterized in that:
Described controller is arranged on described return air space and arranges near described front side board, and described controller is arranged in described second layer space.
9. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 7, is characterized in that:
New wind roughing efficiency air filter and precipitator is had at described new wind spatial placement; Described electrostatic precipitator is arranged on the position of described bottom space near described heat exchanger, and described new wind roughing efficiency air filter is arranged on the position closer to described fresh wind port below described electrostatic precipitator;
Anion generator and high efficiency particulate air filter is had at described air-supply spatial placement; Described anion generator and blower setting are in described second layer space; Described high efficiency particulate air filter is arranged in described overhead;
The dirty wind air intake surface of described heat exchanger is provided with return air roughing efficiency air filter.
10. the cabinet type fresh air ventilator of Intelligent purifying as claimed in claim 7, is characterized in that:
Electric heating equipment is provided with near described fresh wind port;
The temperature-adjusting device be made up of compressor, condenser, evaporimeter, cross valve and refrigerant is provided with at described overhead.
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