CN106288225A - The fresh-air purifying equipment of a kind of band temperature and humidity compensation controls device - Google Patents
The fresh-air purifying equipment of a kind of band temperature and humidity compensation controls device Download PDFInfo
- Publication number
- CN106288225A CN106288225A CN201610767190.9A CN201610767190A CN106288225A CN 106288225 A CN106288225 A CN 106288225A CN 201610767190 A CN201610767190 A CN 201610767190A CN 106288225 A CN106288225 A CN 106288225A
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- China
- Prior art keywords
- processing unit
- signal processing
- fresh
- air purifying
- air
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Classifications
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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
- F24F11/0001—Control or safety arrangements for ventilation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The fresh-air purifying equipment that the invention discloses a kind of band temperature and humidity compensation controls device, including signal processing unit, wherein, the first input end of described signal processing unit connects air measuring circuit by voltage follower circuit, second input of described signal processing unit connects Temperature Humidity Sensor, first outfan of described signal processing unit connects performance element, second outfan of described signal processing unit connects facility information display unit, and described air measuring circuit includes PTC thermistor and the power divider resistance being cascaded.The present invention is by arranging Temperature Humidity Sensor, and using the PTC thermistor being cascaded and power divider resistance as air measuring circuit, can device status data in real-time measurement system, and air force can be detected easily, Energy Saving Control is carried out according to the air quantity recorded, there is higher precision, it is achieved circuit normally works in certain humiture interval.
Description
Technical field
The present invention relates to a kind of ventilation controller, the fresh-air purifying equipment particularly relating to a kind of band temperature and humidity compensation controls
Device.
Background technology
A set of independent air processing system that VMC (Ventilation Mechanical Control System) is made up of fresh air ventilator and conduit fittings, fresh air ventilator
By outdoor live gas through filtering, purifying, it is pipelined to indoor.Central purge new wind system can be divided into by mounting means
System and the new wind devices of monomer.The filter plant of VMC (Ventilation Mechanical Control System) mainly uses filter screen.Filter screen type depurator is because it is to the dirt in air
The dye efficient filter capacity of thing enjoys consumer to pursue, but, if the long-time filter screen used can not be changed in time and can not only rise
Secondary pollution can be produced on the contrary to the function purified.The main use statistics available machine time adds up the filter screen life-span in fact
Existing screen replacing is reminded, because the pollution condition difference in each place often occurs, changes filter screen too early or too late, causes filter
Net waste or secondary pollution.
Summary of the invention
The technical problem to be solved is to provide the fresh-air purifying equipment of a kind of band temperature and humidity compensation and controls device,
Can device status data in real-time measurement system, and air force can be detected easily, carry out energy-conservation according to the air quantity recorded
Control, there is higher precision, it is achieved circuit normally works in certain humiture interval.
The present invention solves above-mentioned technical problem and employed technical scheme comprise that new wind that a kind of band temperature and humidity compensation is provided
Cleaning equipment control device, including signal processing unit, wherein, the first input end of described signal processing unit by voltage with
Connecting air measuring circuit with circuit, the second input of described signal processing unit connects Temperature Humidity Sensor, described signal
First outfan of processing unit connects performance element, and the second outfan of described signal processing unit connects facility information and shows
Unit, described air measuring circuit includes PTC thermistor and the power divider resistance being cascaded.
The fresh-air purifying equipment of above-mentioned band temperature and humidity compensation controls device, and wherein, described voltage follower circuit includes fortune
Calculate the middle of amplifier, described PTC thermistor and power divider resistance and connect end and the in-phase input end phase of operational amplifier
Even, the two ends of described power divider resistance connect filter circuit, and the inverting input of described operational amplifier is by coupling electricity
Resistance is connected with outfan.
The fresh-air purifying equipment of above-mentioned band temperature and humidity compensation controls device, and wherein, the Vcc end of described operational amplifier leads to
The Zener diode crossing two series connection carries out voltage clamp.
The fresh-air purifying equipment of above-mentioned band temperature and humidity compensation controls device, and wherein, described facility information display unit is
LCD, OLED or LED.
The fresh-air purifying equipment of above-mentioned band temperature and humidity compensation controls device, and wherein, described performance element includes buzzer,
Described buzzer is connected with the colelctor electrode of audion, and the base stage of described audion is connect by metalfilmresistor and light emitting diode
Ground.
The present invention contrasts prior art a following beneficial effect: the fresh air purifying of the band temperature and humidity compensation that the present invention provides
Plant control unit, by arranging Temperature Humidity Sensor, and makees the PTC thermistor being cascaded and power divider resistance
For air measuring circuit, it is possible to device status data in real-time measurement system, and air force can be detected easily, according to recording
Air quantity carry out Energy Saving Control, there is higher precision, it is achieved circuit normally works in certain humiture interval.
Accompanying drawing explanation
Fig. 1 is that the fresh-air purifying equipment of band temperature and humidity compensation of the present invention controls principle of device block diagram；
Fig. 2 is that the fresh-air purifying equipment of band temperature and humidity compensation of the present invention controls device circuit schematic diagram.
In figure:
1 air measuring circuit 2 voltage follower circuit 3 signal processing unit
4 facility information display unit 5 Temperature Humidity Sensor 6 performance elements
7 filter circuits
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is that the fresh-air purifying equipment of band temperature and humidity compensation of the present invention controls device architecture schematic diagram.
Referring to Fig. 1, the fresh-air purifying equipment of the band temperature and humidity compensation that the present invention provides controls device, including signal processing
Unit 3, wherein, the first input end of described signal processing unit 3 connects air measuring circuit 1, institute by voltage follower circuit 2
The second input stating signal processing unit 3 connects Temperature Humidity Sensor 5, and the first outfan of described signal processing unit 3 is even
Connecing performance element 6, the second outfan of described signal processing unit 3 connects facility information display unit 4, described air measuring electricity
Road 1 includes PTC thermistor and the power divider resistance being cascaded.
Fig. 2 is that the fresh-air purifying equipment of band temperature and humidity compensation of the present invention controls device circuit schematic diagram.
Continuing with seeing Fig. 2, the fresh-air purifying equipment of the band temperature and humidity compensation that the present invention provides controls device, and U1 is monolithic
Machine, as signal processing unit；U2 is operational amplifier, model be LM358, U3 be Temperature Humidity Sensor, U4 is display screen.Institute
State voltage follower circuit 2 and include that the middle of operational amplifier LM358, PTC thermistor RP1 and power divider resistance R7 connects end
Being connected with the in-phase input end (pin 5) of operational amplifier LM358, the two ends of described power divider resistance R7 connect filtered electrical
Road 7, the inverting input (pin 6) of described operational amplifier is connected with outfan (pin 7) by build-out resistor.In automobile often
The measurement to air quantity is realized with non-equilibrium constant temperature Huygens's bridge circuit.Considering that applied environment mostly is indoor, temperature typically changes
Not quite, the present invention uses PTC thermistor RP1 and power divider resistance R7 series circuit to realize, and PTC thermistor RP1 is spontaneous
Heat, raises with temperature, and resistance increases, and after arriving curie point, temperature constant, resistance is constant.When there being wind to pass through, heat can be taken away,
So that PTC thermistor RP1 resistance declines.Power divider resistance R7 dividing potential drop increases, and becomes positive correlation with air force, specifically
Correlation curve is recorded by experiment.
Signal processing unit 3 may select 32 single-chip microcomputers of STMicw Electronics, and model is STM32F103C8T6, in Fig. 2
U1, R1 are common metal membrane resistance, and C1 is electric capacity, and S1 is key switch, control single chip computer minimum system reset circuit.
Voltage follower circuit 2 has high input impedance low output impedance, and the R4 added, and C2, R3 realize filter circuit 7,
Go the functions such as crosstalk.Prevent power divider resistance R7 dividing potential drop gather in bleeder circuit and below single-chip microcomputer signal processing do
Disturbing, the Vcc end of described operational amplifier carries out voltage clamp, i.e. D1 by the Zener diode of two series connection, and D2 forms clamper
Circuit realiration limiting voltage, protects Chip Microcomputer A/D port.
Facility information display unit 4 can be LCD, OLED or LED, it is provided that data visualization shows.R5, R6 are common
Metalfilmresistor.Described performance element 6 includes that buzzer FM1, the colelctor electrode of described buzzer FM1 and audion VT1 are connected, institute
State the base stage of audion VT1 by metalfilmresistor R5 and light emitting diode D3 ground connection, composition output circuit, it is achieved switching value control
System.
The fresh-air purifying equipment of the band temperature and humidity compensation that the present invention provides controls device, the temperature of the Temperature Humidity Sensor carried
Humidity information, is passed to single-chip microcomputer signal processing 3 by RS485 bus.Specific works process is as follows: work as indoor temperature and humidity
When humiture being changed, the air quantity information gathered is modified by the humiture information of collection by correction algorithm, it is achieved electricity
Road normally can work in certain humiture interval, and concrete corrected parameter is recorded by experiment.The present invention can complete certain essence
The air measuring of degree, realizes the Energy Saving Control to " moving with the wind " device (as central purge is accompanied according to the air force recorded
Companion), loss-type cleaning equipment is changed drainage screen and is reminded, and electrostatic cleaning equipment cleans to be reminded.
Although the present invention discloses as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when making a little amendment and perfect, the therefore protection model of the present invention
Enclose when with being as the criterion that claims are defined.
Claims (5)
1. the fresh-air purifying equipment of band temperature and humidity compensation controls a device, including signal processing unit (3), it is characterised in that
The first input end of described signal processing unit (3) connects air measuring circuit (1), described letter by voltage follower circuit (2)
Second input of number processing unit (3) connects Temperature Humidity Sensor (5), the first outfan of described signal processing unit (3)
Connecting performance element (6), the second outfan of described signal processing unit (3) connects facility information display unit (4), described wind
Measurement circuit (1) includes PTC thermistor and the power divider resistance being cascaded.
2. the fresh-air purifying equipment of band temperature and humidity compensation as claimed in claim 1 controls device, it is characterised in that described voltage
Follow circuit (2) includes that the middle of operational amplifier, described PTC thermistor and power divider resistance connects end and operation amplifier
The in-phase input end of device is connected, and the two ends of described power divider resistance connect filter circuit (7), described operational amplifier anti-
Phase input is connected with outfan by build-out resistor.
3. the fresh-air purifying equipment of band temperature and humidity compensation as claimed in claim 1 controls device, it is characterised in that described computing
The Vcc end of amplifier carries out voltage clamp by the Zener diode of two series connection.
4. the fresh-air purifying equipment of band temperature and humidity compensation as claimed in claim 1 controls device, it is characterised in that described equipment
Information display unit (4) is LCD, OLED or LED.
5. the fresh-air purifying equipment of band temperature and humidity compensation as claimed in claim 1 controls device, it is characterised in that described execution
Unit (6) includes that buzzer, described buzzer are connected with the colelctor electrode of audion, and the base stage of described audion is by metal film electricity
Resistance and light emitting diode ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767190.9A CN106288225A (en) | 2016-08-30 | 2016-08-30 | The fresh-air purifying equipment of a kind of band temperature and humidity compensation controls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767190.9A CN106288225A (en) | 2016-08-30 | 2016-08-30 | The fresh-air purifying equipment of a kind of band temperature and humidity compensation controls device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106288225A true CN106288225A (en) | 2017-01-04 |
Family
ID=57675646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767190.9A Pending CN106288225A (en) | 2016-08-30 | 2016-08-30 | The fresh-air purifying equipment of a kind of band temperature and humidity compensation controls device |
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| CN (1) | CN106288225A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003050029A (en) * | 2001-08-07 | 2003-02-21 | Sanken Setsubi Kogyo Co Ltd | Constant air-volume device and air-conditioning system |
| CN201247081Y (en) * | 2008-05-15 | 2009-05-27 | 邱国雄 | High precision balance type steam flow meter circuit with temperature pressure automatic compensation |
| CN202886398U (en) * | 2012-09-18 | 2013-04-17 | 北京检测仪器有限公司 | Hot-bulb anemograph using thermocouple |
| CN104344857A (en) * | 2013-08-05 | 2015-02-11 | 温州大学瓯江学院 | Thermal type automobile air flow meter for realizing temperature and humidity compensation by utilizing single-chip microcomputer |
| CN105841281A (en) * | 2016-05-20 | 2016-08-10 | 海信（山东）空调有限公司 | Wind sensing device and fresh air system |
| CN206145897U (en) * | 2016-08-30 | 2017-05-03 | 上海高盾科技发展有限公司 | Take new trend clarification plant controlling means of humiture compensation |
-
2016
- 2016-08-30 CN CN201610767190.9A patent/CN106288225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003050029A (en) * | 2001-08-07 | 2003-02-21 | Sanken Setsubi Kogyo Co Ltd | Constant air-volume device and air-conditioning system |
| CN201247081Y (en) * | 2008-05-15 | 2009-05-27 | 邱国雄 | High precision balance type steam flow meter circuit with temperature pressure automatic compensation |
| CN202886398U (en) * | 2012-09-18 | 2013-04-17 | 北京检测仪器有限公司 | Hot-bulb anemograph using thermocouple |
| CN104344857A (en) * | 2013-08-05 | 2015-02-11 | 温州大学瓯江学院 | Thermal type automobile air flow meter for realizing temperature and humidity compensation by utilizing single-chip microcomputer |
| CN105841281A (en) * | 2016-05-20 | 2016-08-10 | 海信（山东）空调有限公司 | Wind sensing device and fresh air system |
| CN206145897U (en) * | 2016-08-30 | 2017-05-03 | 上海高盾科技发展有限公司 | Take new trend clarification plant controlling means of humiture compensation |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201802 room j875, building 2, No. 4268, Zhennan Road, Jiading District, Shanghai Applicant after: Shanghai Bolan HVAC Equipment Co.,Ltd. Address before: 201802 room j875, building 2, No. 4268, Zhennan Road, Jiading District, Shanghai Applicant before: SHANGHAI GARDEN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |