CN207963057U - A kind of gravity-flow ventilation control system reducing kitchen pollution object level - Google Patents

A kind of gravity-flow ventilation control system reducing kitchen pollution object level Download PDF

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Publication number
CN207963057U
CN207963057U CN201820187450.XU CN201820187450U CN207963057U CN 207963057 U CN207963057 U CN 207963057U CN 201820187450 U CN201820187450 U CN 201820187450U CN 207963057 U CN207963057 U CN 207963057U
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China
Prior art keywords
door
window
gravity
microprocessor
database
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Expired - Fee Related
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CN201820187450.XU
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Chinese (zh)
Inventor
龙正伟
张�浩
张明蕊
潘武轩
成雄蕾
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Tianjin University
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Tianjin University
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Abstract

The utility model discloses a kind of gravity-flow ventilation control systems reducing kitchen pollution object level, including air velocity transducer, wind transducer, wireless transport module, PM2.5 sensors, terminal, microprocessor, man-machine interaction panel and Switch for door and window control module, building enclosure air-tightness database, model dwelling database and dispersion of pollutants multiple regional net models platform are installed in the terminal;The dispersion of pollutants multiple regional net models platform combination house model database and building enclosure air-tightness database, door and window open/close states of the kitchen pollution object to other rooms of residential housing propagation concentration in the case of minimum are calculated, to obtain different Ventilation Control strategies;Ventilation Strategies are compared and are shown by man-machine interaction panel after optimum combination by the microprocessor, and resident family sends the instruction of switch door and window to control Switch for door and window control module by man-machine interaction panel.The utility model improves indoor air quality, efficient and energy conservation and environmental protection using gravity-flow ventilation.

Description

A kind of gravity-flow ventilation control system reducing kitchen pollution object level
Technical field
The utility model is related to Comment about Indoor Air Quality and feedback control art, more particularly to a kind of dirt of reduction kitchen Contaminate the gravity-flow ventilation control system of object level.
Background technology
Studies have shown that the mankind have the time for surpassing 80% to spend indoors, therefore the quality of indoor air quality directly affects To the existence health of the mankind, particularly, a large amount of combustion products and smoke particle that culinary art active procedure generates in home dwelling Object seriously affects premises air quality.
To improve air quality in kitchen, publication number CN206001580U is authorized to invent a kind of band personalization air purification The kitchen ventilator of device, the device can effectively reduce pollutant level in kitchen, but and unresolved since the propagation of kitchen pollution object is led Other space air quality problems caused authorize publication number CN104896694A to disclose a kind of indoor air quality adjusting thus System, although the system can integrally improve indoor air quality by introducing fresh air, its higher energy consumption makes it be applicable in Property is limited by larger.At the same time, gravity-flow ventilation is more and more more with its preferable applicability and energy saving advantage Researcher payes attention to.The utility model makes full use of diluting effect of the gravity-flow ventilation to indoor pollutant, passes through the resistance of building enclosure Gear is effectively controlled the flow direction of gravity-flow ventilation, achievees the purpose that control dispersion of pollutants direction and rate, so that The control of residential pollution object is efficient and energy saving.
Utility model content
The purpose of the utility model is to overcome the defects of current indoor air quality control technology, propose a kind of reduction kitchen The gravity-flow ventilation control system of room pollutant level, it is therefore an objective to introduce gravity-flow ventilation using the system and indoor air quality is carried out Improve, and change the flow direction and flow velocity of gravity-flow ventilation by controlling different door and window open/close states, dispersion of pollutants is changed with this Approach, achieve the effect that carry out purposive control to Control platform in residential homes room.
In order to solve the above-mentioned technical problem, the technical solution of the utility model be a kind of reduction kitchen pollution object it is horizontal from Right ventilated control system, including air velocity transducer, wind transducer, wireless transport module, PM2.5 sensors, terminal, microprocessor Device, man-machine interaction panel and Switch for door and window control module are equipped with building enclosure air-tightness database, house in the terminal Model database and dispersion of pollutants multiple regional net models platform, the model dwelling database purchase house building plane cloth Office and corresponding room-sized information, the building enclosure air-tightness database purchase building enclosure under corresponding different building types Air-tightness value under different conditions;
The air velocity transducer and wind transducer pass through the wind speed and direction data outside wireless transport module transfer chamber to dirt It contaminates object and propagates multiple regional net models platform;
The PM2.5 sensors are communicated by ZigBee communications protocol with microprocessor;
The dispersion of pollutants multiple regional net models platform is by calling building enclosure air-tightness database, model dwelling The outdoor wind speed and direction data of database and input are completed mathematical model and are built, Ventilation Strategies are calculated and are transmitted to microprocessor;
The dispersion of pollutants multiple regional net models platform arranges the Switch for door and window state of architectural exterior-protecting construction Setup algorithm operating mode is combined, and indoor pollutant concentration level value under different operating modes is transmitted in microprocessor and is compared point Analysis;
After Ventilation Strategies are compared optimum combination by the microprocessor, instruction control door is occurred by man-machine interaction panel Window switch control module;
The Switch for door and window control module executes Ventilation Strategies, controls the keying of each door and window of house.
The air velocity transducer uses the FC-5SX wind speed wind direction sensors of city's sale with wind transducer.
The wireless transport module selects GSM4G modules, the module to be communicated using 4G real-time performance data.
The microprocessor uses the ATMEGA8-16AU of MICROCHIP manufactures.
The PM2.5 sensors use the PM2.5 sensors of the AGS-V8 light scattering principles of commercial type.
When the detected value of the PM2.5 sensors is less than limit value, microprocessor sends out the instruction for terminating Ventilation Strategies.
The man-machine interaction panel uses the touch screen panel of HITECH companies production.
The Switch for door and window control module uses the light-duty door and window switch control modules of DL-80 of odenx brands.
Resident family controls Switch for door and window by the self-defined transmission operational order of man-machine interaction panel.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model introduces gravity-flow ventilation and is effectively controlled indoor pollutant level, avoids net with fresh air Change equipment and generate additional energy consumption, there is preferable energy conservation and environmental protection benefit.
2, the utility model combines lower pollutant concentration level to different door and window open/close states and is compared calculating, provides and cooks Best door and window opens and closes combination when preparing food, and can ensure the air quality in room to the maximum extent in culinary art, drop to greatest extent Influence of the low kitchen pollution object to other space air qualities has preferable specific aim and practicability.
Description of the drawings
Fig. 1 the utility model principle block diagrams;
Fig. 2 utility model device arrangement schematic diagrams.
Description of the drawings:
1- buildings, the kitchens 2-, 3- air velocity transducers, 4- wind transducers, 5- wireless transport modules, 6- terminals, 7- PM2.5 sensors, 8- microprocessors, 9- man-machine interaction panels, 10- Switch for door and window control modules;A- building enclosure air-tightness numbers According to library, b- model dwellings database, c- dispersion of pollutants multiple regional net models platforms.
Specific implementation mode
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described Specific embodiment is only explained the utility model, is not intended to limit the utility model.
Fig. 1 is the utility model principle block diagram, and arrangement schematic diagram is as shown in Fig. 2, a kind of reduction kitchen of the utility model is dirty Contaminate object level gravity-flow ventilation control system, including air velocity transducer 3, wind transducer 4, wireless transport module 5, terminal 6, PM2.5 sensors 7, microprocessor 8, man-machine interaction panel 9 and Switch for door and window control module 10 are equipped in the terminal 6 Building enclosure air-tightness database a, model dwelling database b and dispersion of pollutants multiple regional net models platform c, the house Model database b storage house building plane layouts and corresponding room-sized information, the building enclosure air-tightness database a are deposited It stores up and corresponds to air-tightness value of the building enclosure under different conditions under different building types;The air velocity transducer 3 and wind direction pass Sensor 4 passes through the wind speed and direction data outside 5 transfer chamber of wireless transport module to dispersion of pollutants multiple regional net models platform c; The dispersion of pollutants multiple regional net models platform c is by calling building enclosure air-tightness database a, model dwelling database The outdoor wind speed and direction data of b and input are completed mathematical model and are built, Ventilation Strategies are calculated and are transmitted to microprocessor 8;It is described PM2.5 sensors 7 are placed in kitchen 2, are communicated with microprocessor 8 by Zigbee communications protocol, institute in the present embodiment State PM2.5 sensor of the PM2.5 sensors 7 using the AGS-V8 light scattering principles of commercial type;The microprocessor 8 will lead to After wind strategy compares optimum combination, instruction control Switch for door and window control module 10, the door are occurred by man-machine interaction panel 9 Window switch control module 10 executes Ventilation Strategies, controls the keying of each door and window of house;When the detected value of PM2.5 sensors 7 is small When limit value, microprocessor 8 sends out the instruction for terminating Ventilation Strategies;Switch for door and window control module described in the present embodiment 10 uses The light-duty door and window switch control modules of DL-80 of odenx brands.
The ATMEGA8-16AU that microprocessor 8 described in the present embodiment is manufactured using MICROCHIP;The human-computer interaction face The touch screen panel that plate 9 is produced using HITECH companies;Resident family can customize by man-machine interaction panel 9 and send operational order control Switch for door and window processed.
Air velocity transducer 3 in the present embodiment, wind transducer 4 and wireless transport module 5 are placed at 1 top of building, Air velocity transducer 3 is attached respectively with wireless transport module 5 with wind transducer 4 and communicates;
Air velocity transducer 3 is sensed with wind transducer 4 using the FC-5SX wind speed and directions of commercial type in the present embodiment Device, wireless transport module 5 select GSM4G modules, the module to be communicated using 4G real-time performance data, and communication speed is fast, communication spirit Living, data transmission efficiency is higher;
The wireless transport module 5 is by wireless network by the outdoor wind speed and direction data transmission of monitoring to dispersion of pollutants Multiple regional net models platform c is polluted in conjunction with house model database b and the data of building enclosure air-tightness database a Object propagates building for multiple regional net models platform c;
The model dwelling database b storages house building plane layout and corresponding room-sized information, main includes building Build the connection relation between each room, the volume in each room, the communicating passage (such as door, window) and building between room The information such as direction determine that the physical model that dispersion of pollutants multiple regional net models platform calculates, determination are built by the database Build plane figure;
The building enclosure air-tightness database a stores under corresponding different building types building enclosure under different conditions Air-tightness value, the value characterize architectural exterior-protecting construction ventilation characteristic, have under different open states for channels such as door, windows It different numerical value to choose, in conjunction with the selection of the value and the input of outdoor wind speed and direction data, completes dispersion of pollutants multi-region The mathematical model that domain network model platform calculates is built;
The microprocessor 8 is in the case where obtaining different operating modes after indoor pollutant concentration level value, according to resident family in man-machine friendship The room priority that mutual panel 9 is arranged, is ranked up the room contamination object concentration level under various operating modes and compares, and selects minimum The corresponding operating mode of concentration level is as optimum operating condition;
The man-machine interaction panel 9 is used to show the information of resident family's concern, and is controlled system by the panel;In detail For carefully, man-machine interaction panel 9 is listed respectively builds each door and window open and-shut mode control strategy under optimum operating condition, resident family passes through Man-machine interaction panel 9 selects all to receive suggestion or the value that refuses to accept a proposal, and is controlled to door and window switch control module 10 with this System;
The Switch for door and window control module 10 carries out door and window keying control by executing the order being passed to from man-machine interaction panel 9 System achievees the purpose that change door and window open/close states.
The utility model monitors pollutant concentration in kitchen in kitchen area installation PM2.5 sensors 7 in real time, After starting the system, PM2.5 sensors 7 are by the pollutant concentration data transmission of detection to microprocessor 8, by changing to concentration It is analyzed, prompts resident family without considering that kitchen pollution object is propagated by man-machine interaction panel 9 when concentration value is less than setting value Influence, the limitation to door and window open/close states can be released.
Further, resident family also can control Switch for door and window by 9 self-defined transmission operational order of man-machine interaction panel;
The utility model dispersion of pollutants multiple regional net models platform c is according to mass balance principle in each room Pollutant concentration is calculated, in detail for, dispersion of pollutants multiple regional net models platform c implementation method steps tool Body is as follows:
(1) buildings model is built:After obtaining the building room-sized that model dwelling database b is provided, building is drawn Physical model is logical to difference by calling the data of building enclosure air-tightness database a for the channel between not chummery Road carries out mathematical model setting, completes building for buildings model accordingly;
(2) ventilation quantity between each room of acquisition:After obtaining outdoor wind speed and direction data, pass through model platform counting chamber Exogenous wind acts on the pressure on building external envelope structure, divulges information between calculating indoor and outdoor using the pressure difference of peripheral structure door and window both sides Amount, similarly, the pressure difference by building premises door and window both sides calculate the ventilation quantity between each room;
(3) it between obtaining each room after ventilation quantity, according to mass balance principle, calculates indoor in the presence of pollution sources The variation of pollutant concentration level in each room caused by the propagation of pollutant;
(4) model platform carries out permutation and combination setup algorithm operating mode for the Switch for door and window state of architectural exterior-protecting construction, And indoor pollutant concentration level value under different operating modes is transmitted in microprocessor 8 and is compared analysis.
A specific embodiment is set forth below, the utility model is illustrated:
A common house type home dwelling is chosen from model dwelling database as carrier is illustrated, is equipped with seven function rooms altogether Between, i.e., seven regions are set in dispersion of pollutants multiple regional net models platform, and model dwelling database is public using cruel family pleasure The house type data collected are taken charge of, which includes China most cities cell or building house type data, user can be according to conjunction Suitable house type or area is selected.For the channel (totally 2 fan doors, 1 fan window in the present embodiment) between each room, pass through tune With the data of building enclosure air-tightness database, mathematical model setting, building enclosure air-tightness database are carried out to different channels It is according to U.S. heating, Refrigeration & Air-Conditioning Society of Engineers standard (ASHRAE 1997HVAC Fundamentals What the air-tightness standard in Handbook) was collected, wherein mainly including door, window in architectural exterior-protecting construction etc. according to its material And effective infiltrating area that type provides recommends Value Data, the difference of door and window open/close states to be embodied in effective infiltrating area recommendation Difference.Air velocity transducer, wind transducer and wireless transport module are placed at building top, outdoor for monitoring in real time Wind speed and direction data, and pollutant multiple regional net models platform is transferred data to by wireless transport module, in conjunction with this Data carry out building the calculating divulged information between each room.By the way that pollutant emission intensity is arranged in model kitchen area, with This simulates the pollutants from cooking fume that practical resident family generates in culinary art.According to mass balance principle.Dispersion of pollutants multizone network Model platform further calculates out since the ventilation between room causes dispersion of pollutants in kitchen area to the amount in other rooms, It is horizontal that pollutant concentration in each room is calculated under an operating mode with this.Further dispersion of pollutants multiple regional net models Platform carries out permutation and combination setup algorithm operating mode for the Switch for door and window state of architectural exterior-protecting construction, for the present embodiment according to door The combination of window open/close states shares 23=8 kinds of combining forms calculate separately out various door and windows and open and close under composite condition in each room Pollutant concentration it is horizontal, and result of calculation is transferred in microprocessor and is compared analysis.According to resident family in human-computer interaction The room being arranged on panel considers priority, and the pollutant concentration such as paid the utmost attention in parlor is horizontal, then microprocessor is according to visitor 8 kinds of operating modes of pollutant concentration value pair arrange from small to large in the Room, using the horizontal corresponding operating mode of minimum concentration as optimal work Condition, and the open/close states in each room under the operating mode are shown in man-machine interaction panel, when in this, as instructing resident family to cook The guidance instruction of door and window open/close states setting.Resident family selects all to receive to suggest by man-machine interaction panel or refusal receives to build View, the open/close states of door and window in cooking process are determined with this.Microprocessor is opened the door and window of setting by ZigBee communication agreement Closed state information is transferred to Switch for door and window control module, which controls the keying of door and window according to control instruction, reaches change door The purpose of window-like state.
PM2.5 sensors in kitchen are used for detecting pollutant concentration in kitchen, and the data of detection are passed through ZigBee communication agreement is transferred to microprocessor and is compared analysis with setting value, if detected value is higher than setting value, in people Machine exchanges reminds user that door and window open/close states guidance instruction is taken to advantageously reduce interior on panel by way of indicator light Pollutant concentration is horizontal, when detected value is less than setting value, then reminds user's indoor pollutant concentration level no longer by kitchen Room pollutant effects, user can be according to self each door and window open/close states of hobby selection at this time, and releasing is to door and window keying shape The limitation of state.

Claims (9)

1. a kind of gravity-flow ventilation control system reducing kitchen pollution object level, which is characterized in that including air velocity transducer, wind direction Sensor, wireless transport module, PM2.5 sensors, terminal, microprocessor, man-machine interaction panel and Switch for door and window control mould Block is equipped with building enclosure air-tightness database, model dwelling database and dispersion of pollutants multizone network in the terminal Model platform, the model dwelling database purchase house building plane layout and corresponding room-sized information, it is described to go along with sb. to guard him knot Structure air-tightness database purchase air-tightness value of the building enclosure under different conditions under corresponding different building types;
The air velocity transducer and wind transducer pass through the wind speed and direction data outside wireless transport module transfer chamber to pollutant Propagate multiple regional net models platform;
The PM2.5 sensors are communicated by ZigBee communications protocol with microprocessor;
The dispersion of pollutants multiple regional net models platform is by calling building enclosure air-tightness database, model dwelling data The outdoor wind speed and direction data in library and input are completed mathematical model and are built, Ventilation Strategies are calculated and are transmitted to microprocessor;
The dispersion of pollutants multiple regional net models platform carries out permutation and combination to the Switch for door and window state of architectural exterior-protecting construction Setup algorithm operating mode, and indoor pollutant concentration level value under different operating modes is transmitted in microprocessor and is compared analysis;
After Ventilation Strategies are compared optimum combination by the microprocessor, instruction control door and window is occurred by man-machine interaction panel and is opened Close control module;
The Switch for door and window control module executes Ventilation Strategies, controls the keying of each door and window of house.
2. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described Air velocity transducer uses the FC-5SX wind speed wind direction sensors of city's sale with wind transducer.
3. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described Wireless transport module selects GSM4G modules, the module to be communicated using 4G real-time performance data.
4. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described Microprocessor uses the ATMEGA8-16AU of MICROCHIP manufactures.
5. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described PM2.5 sensors use the PM2.5 sensors of the AGS-V8 light scattering principles of commercial type.
6. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described When the detected value of PM2.5 sensors is less than limit value, microprocessor sends out the instruction for terminating Ventilation Strategies.
7. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described Man-machine interaction panel uses the touch screen panel of HITECH companies production.
8. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that described Switch for door and window control module uses the light-duty door and window switch control modules of DL-80 of odenx brands.
9. the gravity-flow ventilation control system according to claim 1 for reducing kitchen pollution object level, which is characterized in that resident family Switch for door and window is controlled by the self-defined transmission operational order of man-machine interaction panel.
CN201820187450.XU 2018-02-02 2018-02-02 A kind of gravity-flow ventilation control system reducing kitchen pollution object level Expired - Fee Related CN207963057U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108286776A (en) * 2018-02-02 2018-07-17 天津大学 A kind of gravity-flow ventilation control system reducing kitchen pollution object level
CN111486557A (en) * 2019-01-29 2020-08-04 Urecsys-城市生态系统-室内空气质量管理有限公司 Library, system and method for minimizing air pollution in enclosed structures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108286776A (en) * 2018-02-02 2018-07-17 天津大学 A kind of gravity-flow ventilation control system reducing kitchen pollution object level
CN111486557A (en) * 2019-01-29 2020-08-04 Urecsys-城市生态系统-室内空气质量管理有限公司 Library, system and method for minimizing air pollution in enclosed structures
CN111486557B (en) * 2019-01-29 2024-02-23 Urecsys-城市生态系统-室内空气质量管理有限公司 Libraries, systems, and methods for minimizing air pollution in enclosed structures

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