CN202792383U - Indoor air quality control device and control system thereof - Google Patents
Indoor air quality control device and control system thereof Download PDFInfo
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- CN202792383U CN202792383U CN2012204044293U CN201220404429U CN202792383U CN 202792383 U CN202792383 U CN 202792383U CN 2012204044293 U CN2012204044293 U CN 2012204044293U CN 201220404429 U CN201220404429 U CN 201220404429U CN 202792383 U CN202792383 U CN 202792383U
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- air quality
- indoor air
- quality control
- control device
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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
Abstract
The utility model discloses an indoor air quality control device which comprises an environment monitor used for detecting indoor air quality data, and a processor which is mutually connected with the environment monitor and used for receiving the indoor air quality data, and generates and outputs corresponding regulating commands through an output interface according to the indoor air quality data. The utility model further discloses an indoor air quality control system. The indoor air quality control device and the control system thereof can accurately measure the indoor air quality conditions, purifies indoor air through a controller according to the indoor air conditions, and improves controllability of indoor air quality.
Description
Technical field
The utility model relates to the air quality control technical field, relates in particular to indoor air quality control device and control system thereof.
Background technology
In recent years, along with people's living standard improves, interior decoration is increasingly exquisite, and a large amount of new decorative material for building, household chemicals, household electrical appliance etc. enter dwelling house and public building, source and the kind of indoor air pollutants are increasing, and indoor environmental quality is day by day abominable.The inferior air quality power that can warn is disperseed, and operating efficiency descends, and also can make the people produce the symptoms such as headache, nauseating, fatigue, red swelling of the skin when serious, is referred to as " Cure of Sick Building Syndrome." people are anxious for the day by day abominable room of improvement, working environment, improve life quality.
Because no matter quantitatively or kind constantly increases indoor introducing can discharge the pollution sources of harmful substance or indoor environment and ventilate not goodly, cause in the room air harmful substance, and cause the phenomenon of a series of malaise symptoms of people, is room air and has been subject to pollution.With regard to environmental pollution on regard to the impact of health because people's life, be operated in indoor environment time long, the room ventilation situation is bad, be unfavorable for that pollutant dilution spreads the reasons such as self-cleaning, indoor environmental quality seems even more important than outdoor environment quality.
The utility model content
For solving the second-rate problem of above-mentioned indoor air, the utility model adopts following technical scheme:
The utility model provides a kind of indoor air quality control device, and it comprises:
Environmental monitor for detection of the IAQ data; And
Interconnective with described environmental monitor, be used for reception and according to described IAQ data, produce and export by output interface the processor of corresponding regulating command.
The utility model also provides a kind of indoor air quality control system, and it comprises above-mentioned indoor air quality control device.
The utility model adopts air regime in the environmental monitor sensing chamber, can Measurement accuracy IAQ situation, according to the room air situation, the regulating command that produces and export correspondence is used for room air is purified by controller, thereby can improve the controllability of IAQ.
Description of drawings
Fig. 1 is the first embodiment schematic diagram of a kind of indoor air quality control device of the utility model.
Fig. 2 is the second embodiment schematic diagram of a kind of indoor air quality control device of the utility model.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, it is the first embodiment schematic diagram of a kind of indoor air quality control device of the utility model.
A kind of indoor air quality control device of the utility model, it comprises: processor 1, keypad input circuit 2, temperature-humidity monitoring module 3, power circuit 4, clock module 5, outer watchdog circuit 6, liquid crystal display 7, the first optical coupling isolator 8, the second optical coupling isolator 9, the 3rd optical coupling isolator 10, CAN communication interface 11, MODBUS communication interface 12, numerical digit output (DO output) circuit 13, signal conditioning circuit 14, multichannel isolating switch circuit 15 and analog input (AI input) circuit 16.
Wherein, processor 1 is electrically connected mutually with keypad input circuit 2, temperature-humidity monitoring module 3, power circuit 4, clock module 5, outer watchdog circuit 6, liquid crystal display 7, the first optical coupling isolator 8, the second optical coupling isolator 9, the 3rd optical coupling isolator 10, signal conditioning circuit 14 respectively.
The first optical coupling isolator 8 is electrically connected mutually with CAN communication interface 11.
The second optical coupling isolator 9 is electrically connected mutually with MODBUS communication interface 12.
The 3rd optical coupling isolator 10 is electrically connected mutually with DO output circuit 13.
Multichannel isolating switch circuit 15 is electrically connected mutually with AI input circuit 16.
In the present embodiment, processor 1 adopts the LM3S8962 processor of TI company, 32 bit architectures, at a high speed, highly integrated, high antijamming capability.
SHTX series type microminiature, self calibration, multi-functional formula Study on Intelligent Sensors of Temperature and Motorola's pressure sensor that temperature-humidity monitoring module 3 adopts auspicious grace of Switzerland's flourishing age (Sensirion) company to release.Temperature-humidity monitoring module 3 is for detection of airborne temperature, humidity, and airborne temperature value, the humidity value that will detect are transferred to processor 1.Processor 1 judges whether airborne temperature value, humidity value that temperature-humidity monitoring module 3 detects meet default temperature value, humidity value, if do not meet, perhaps wherein one do not meet, then produce corresponding regulating command, and export by output interface (CAN communication interface 11, MODBUS communication interface 12 or DO output circuit 13).Regulating command meets default temperature value, the instruction of humidity value for airborne temperature value, humidity value are adjusted to, and normally occurs to air conditioner by output interface, dehumidifier, humidifier, new air-valve, all kinds of purification ventilation equipment such as exhaust fan.
1) 3.3V power supply: give processor 1 power supply.
2) 5V DC/DC module: the 5V power supply is specifically designed to the power supply of 485 communicating circuits, and independently insulating power supply can improve the reliability that combined network communication is used greatly.
3) 12VDC: be used for the amplifier power supply.
Clock module 5 adopts 8563 chips as timer clock, and the read-write date is the number of seconds certificate very.
Outer watchdog circuit 6 adopts 1161 chips as the setting data memory, simultaneously as outer watchdog.
The first optical coupling isolator 8 adopts the 6N137 photo-coupler.
The second optical coupling isolator 9 adopts the 6N137 photo-coupler.
The 3rd optical coupling isolator 10 adopts the TIL113 photo-coupler.
CAN communication interface 11 adopts TJA1050 high-speed CAN bus transceiver, and the CAN bus circuit is supported the point-to-point communication, realizes data sharing.
MODBUS communication interface 12 adopts communication interface chip MAX1487.The hardware protocol of MODBUS communicating circuit is RS485.Be the master-slave communication pattern, be used for and upper machine communication, perhaps connect wireless DTU module.
Multichannel isolating switch circuit 15 is realized by CD4067.
The utility model adopts the dual bus communication.Wherein, the MODBUS communications protocol, it is open international standard, be used for and most of host computer configuration software compatibility, realize distributed networking air quality monitoring function, simultaneously data transmission unit module (the Data Terminal unit of MODBUS communication interface 12 all right connection universals, be called for short the DTU module), realize Wireless Data Transmission, by GPRS network, utilize the internet to realize long-range air quality data monitoring.Another bus is the CAN bus, realize the point-to-point communication, realize data sharing, be presented as in the present embodiment and comprise CAN communication interface 11, make this product be used for the Smart Home controls such as domestic lighting, for example realize a switch to multi-lamp with this controller, or a plurality of switch is to the control of multi-lamp, when realizing common Smart Home control, increased the control to air quality.
See also Fig. 2, it is the second embodiment schematic diagram of a kind of indoor air quality control device of the utility model.
In a second embodiment, the indoor air quality control device comprises environmental monitor 21, processor 22 and air cleaning unit 23.Wherein, environmental monitor 21, processor 22 and air cleaning unit 23 are electrically connected successively.Processor 22 is connected with air cleaning unit successively by the CAN bus or by the connection of MODBUS communications protocol.
In the present embodiment, environmental monitor 21 comprises above-mentioned temperature-humidity monitoring module 3, signal conditioning circuit 14, multichannel isolating switch circuit 15 and AI input circuit 16.Environmental monitor 21 is for detection of the IAQ data.The IAQ data comprise airborne CO2 concentration, temperature, humidity and VOC concentration, can according to national standard " IAQ standard " (GB/T18883-2002) in the related data of regulation define air quality data, have in (GB/T18883-2002) parameter that relates to can be as the IAQ data such as national standard " IAQ standard ".In the present embodiment, the measurement category of temperature monitoring is 0～80 ℃, and certainty of measurement is ± 0.1 ℃.The measurement category of humidity detection is 0～100%, and certainty of measurement is ± 3%.The measurement category of CO2 monitoring is 0～2500PPM, and certainty of measurement is ± 5PPM that the detection principle is NDIR.The measurement category of TVOC monitoring is 0～75PPM, and certainty of measurement is ± 0.1PPM that detecting principle is the semiconductor sensing technology.Particularly, airborne CO2 concentration, VOC concentration is inputted by AI input circuit 16, and airborne temperature, humidity are inputted by temperature-humidity monitoring module 3.
Can be specifically in this discussion, whether the IAQ data that processor 22 is used for IAQ data that environmental monitor 21 relatively detects and prestores modes such as () perhaps presetting are consistent, if inconsistent, then produce regulating command, described regulating command comprise drive 23 pairs of indoor air purifications of air cleaning unit to the information of default IAQ data consistent.The IAQ data that prestore are generally the air quality data that is in excellent condition that those skilled in the art think, can according to national standard " IAQ standard " (GB/T18883-2002) in the regulation related data arrange.Certainly, also can be not limited to national standard " IAQ standard " (GB/T18883-2002), and according to end user's personal settings.Such as, the modern medical service meteorological research shows, the indoor temperature and humidity condition relatively more suitable to human body:
1) summer relative humidity 40-50%, 25 ℃ of room temperatures;
2) winter relative humidity 60-70%, 18 ℃ of room temperatures.
About VOC concentration.The VOC national standard: the Determination of TVOC in Indoor Air concentration limit is 0.60mg/m3.(TVOC refers to the total concentration of various escaping gas VOC).
About gas concentration lwevel.CO2 concentration national standard: in the room air 0.1%, i.e. 1000ppm, it is qualified to be less than this value.
Compared to prior art, a kind of indoor air quality control device that the utility model provides adopts air regime in the environmental monitor sensing chamber, can Measurement accuracy IAQ situation, by processor according to the room air situation, the regulating command that produces and export correspondence is used for room air is purified, thereby can improve the controllability of IAQ.The utility model can be used for the control of the air conditioner with blower and coiled tube of public building, replaces existing simple temperature controller, control except realizing temperature, and all right controlled humidity, CO2 concentration, VOC concentration etc. have improved the indoor air quality greatly.In addition, processor that the utility model adopts can be according to CO2 concentration, perhaps concentration of formaldehyde, control different ventilation equipment, the realization timing controlled of can programming, priority control (according to CO2 preferential or formaldehyde is preferential), from different output port sending control signals, alarm signal etc.
The utility model also provides a kind of indoor air quality control system, and it comprises foregoing indoor air quality control device.
For contrast is more arranged, below list the result that prior art and the utility model compare:
Domestic existing air mass sensor or air quality control device have following problem:
1. can not be accurately (GB/T18883-2002) monitor out content of formaldehyde take mg/m3 as unit according to national standard " IAQ standard ", it is unit that the part same type of sensor adopts PPM, what monitor is the content of TVOC, lacks the sensor of accurate-metering content of formaldehyde.And formaldehyde is in house fitting-up, and the occasions such as office building finishing are a kind of volatile materials to the harm maximum.The VOC sensor that present domestic air mass sensor like product adopts substantially all is the semiconductor devices of metal oxide, can't realize accurate measurement.And this product adopts the Special electric chemistry formaldehyde sensor through CMA.
2. other part like products are described air quality in several grades of modes, can not be as metrical instrument accurately.
3. because existing air mass sensor does not have accurate-metering, just not control foundation can be sayed, so can not accurately control indoor air quality.
4. existing air quality control device control output function is single, can not realize able to programme.This product can be realized complicated and programmed logic control, the programming tool of configure dedicated.
5. similar indoor air quality control device generally is not with communication interface, does not perhaps have the CAN bus to share data/address bus.The CAN bus of this product can couple together numerous air quality control devices, realizes data sharing, again by a DTU module, realizes that the networking of public building air quality detects.
Compared to above-mentioned prior art, advantage of the present utility model is embodied in:
1. adopt the electrochemical sensor that obtains CMA, can (GB/T18883-2002) monitor out content of formaldehyde take mg/m3 as unit according to national standard " IAQ standard ", this function can be used for the content of formaldehyde of accurate-metering public building or premises, accurately know whether to exceed standard, whether be detrimental to health.
2. can be according to CO2 concentration, perhaps concentration of formaldehyde is controlled different ventilation equipment, the realization timing controlled of can programming, priority control (according to CO2 preferential or formaldehyde is preferential) is from different output port sending control signals, alarm signal etc.
3. dual bus communication: MODBUS communications protocol wherein, it is open international standard, be used for and most of host computer configuration software compatibility, realize distributed networking air quality monitoring function, the DTU module of all right connection universal of while MODBUS interface, realize Wireless Data Transmission, by GPRS network, utilize the internet to realize long-range air quality data monitoring.
4. another bus is the CAN bus, realize the point-to-point communication, realize data sharing, make this product be used for the Smart Home controls such as domestic lighting, for example realize that with this controller a switch is to multi-lamp, or a plurality of switches are to the control of multi-lamp, realize the colleague of common Smart Home control, have increased the control to air quality.
5. the employing large-screen lc shows, can be used for the control of the air conditioner with blower and coiled tube of public building, replaces existing simple temperature controller, control except realizing temperature, and all right controlled humidity, CO2 concentration, VOC concentration etc. have improved the indoor air quality greatly.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (8)
1. an indoor air quality control device is characterized in that, comprising:
Environmental monitor for detection of the IAQ data; And
Interconnective with described environmental monitor, be used for reception and according to described IAQ data, produce and export by output interface the processor of corresponding regulating command.
2. indoor air quality control device according to claim 1 is characterized in that, described environmental monitor is the temperature-humidity monitoring module.
3. indoor air quality control device according to claim 1 is characterized in that, described output interface comprises CAN communication interface, MODBUS communication interface and DO output circuit.
4. indoor air quality control device according to claim 3 is characterized in that,
Described CAN communication interface is electrically connected mutually by the first optical coupling isolator and processor;
Described MODBUS communication interface is electrically connected mutually by the second optical coupling isolator and processor;
Described DO output circuit is electrically connected mutually by the 3rd optical coupling isolator and processor.
5. indoor air quality control device according to claim 1 is characterized in that, described environmental monitor comprises signal conditioning circuit, multichannel isolating switch circuit and the analog input circuit that connects successively.
6. according to claim 1 to 5 each described indoor air quality control device, it is characterized in that, further comprise and the interconnective air cleaning unit of described processor.
7. indoor air quality control device according to claim 6 is characterized in that, described air cleaning unit comprises air conditioner, dehumidifier, humidifier, new air-valve and exhaust fan.
8. an indoor air quality control system is characterized in that, comprises such as each described indoor air quality control device of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204044293U CN202792383U (en) | 2012-08-15 | 2012-08-15 | Indoor air quality control device and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012204044293U CN202792383U (en) | 2012-08-15 | 2012-08-15 | Indoor air quality control device and control system thereof |
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| CN202792383U true CN202792383U (en) | 2013-03-13 |
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| CN2012204044293U Expired - Fee Related CN202792383U (en) | 2012-08-15 | 2012-08-15 | Indoor air quality control device and control system thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798196A (en) * | 2012-08-15 | 2012-11-28 | 谈朝阳 | Indoor air quality control device and indoor air quality control system |
| CN109085300A (en) * | 2018-08-27 | 2018-12-25 | 颜飞 | A kind of temperature controller system for Detection of Air Quality |
| US10760804B2 (en) | 2017-11-21 | 2020-09-01 | Emerson Climate Technologies, Inc. | Humidifier control systems and methods |
| US11226128B2 (en) | 2018-04-20 | 2022-01-18 | Emerson Climate Technologies, Inc. | Indoor air quality and occupant monitoring systems and methods |
| US11371726B2 (en) | 2018-04-20 | 2022-06-28 | Emerson Climate Technologies, Inc. | Particulate-matter-size-based fan control system |
| US11421901B2 (en) | 2018-04-20 | 2022-08-23 | Emerson Climate Technologies, Inc. | Coordinated control of standalone and building indoor air quality devices and systems |
| US11486593B2 (en) | 2018-04-20 | 2022-11-01 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
| US11609004B2 (en) | 2018-04-20 | 2023-03-21 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
-
2012
- 2012-08-15 CN CN2012204044293U patent/CN202792383U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798196A (en) * | 2012-08-15 | 2012-11-28 | 谈朝阳 | Indoor air quality control device and indoor air quality control system |
| US10760804B2 (en) | 2017-11-21 | 2020-09-01 | Emerson Climate Technologies, Inc. | Humidifier control systems and methods |
| US10760803B2 (en) | 2017-11-21 | 2020-09-01 | Emerson Climate Technologies, Inc. | Humidifier control systems and methods |
| US10767878B2 (en) | 2017-11-21 | 2020-09-08 | Emerson Climate Technologies, Inc. | Humidifier control systems and methods |
| US11226128B2 (en) | 2018-04-20 | 2022-01-18 | Emerson Climate Technologies, Inc. | Indoor air quality and occupant monitoring systems and methods |
| US11371726B2 (en) | 2018-04-20 | 2022-06-28 | Emerson Climate Technologies, Inc. | Particulate-matter-size-based fan control system |
| US11421901B2 (en) | 2018-04-20 | 2022-08-23 | Emerson Climate Technologies, Inc. | Coordinated control of standalone and building indoor air quality devices and systems |
| US11486593B2 (en) | 2018-04-20 | 2022-11-01 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
| US11609004B2 (en) | 2018-04-20 | 2023-03-21 | Emerson Climate Technologies, Inc. | Systems and methods with variable mitigation thresholds |
| CN109085300A (en) * | 2018-08-27 | 2018-12-25 | 颜飞 | A kind of temperature controller system for Detection of Air Quality |
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| C14 | Grant of patent or utility model | ||
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| DD01 | Delivery of document by public notice |
Addressee: Tan Chaoyang Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140815 |
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| EXPY | Termination of patent right or utility model |