CN202994761U - Wireless air quality controller - Google Patents
Wireless air quality controller Download PDFInfo
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- CN202994761U CN202994761U CN 201220703480 CN201220703480U CN202994761U CN 202994761 U CN202994761 U CN 202994761U CN 201220703480 CN201220703480 CN 201220703480 CN 201220703480 U CN201220703480 U CN 201220703480U CN 202994761 U CN202994761 U CN 202994761U
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Abstract
The utility model relates to a wireless air quality controller. The wireless air quality controller comprises a monitoring part and a control part, wherein the monitoring part comprises an air quality sensor, a wireless communication module and a processor module; the control part comprises a wireless receiving module and a data processing circuit; and the air quality sensor is used for transmitting collected air quality data to the processor module to be processed, the processed data is sent into the wireless communication module and is converted into wireless signals, the wireless signals are received by the wireless receiving module of the control part and are processed into control signals by a digital analog converter in the data processing circuit, and the control signals are directly output, enter various external device driving circuits and drive corresponding devices to be electrified to work through the driving circuits. According to the wireless air quality controller, the structure is simple, a subsystem can be constituted by networking, the mounting is convenient, the material and labor costs are saved, and the wireless air quality controller is relatively suitable for single buildings such as residential buildings and office buildings.
Description
Technical field
The utility model relates to the Detection of Air Quality field, is specially a kind of wireless air quality control device.
Background technology
Detection technique is that people are familiar with a kind of requisite important technical with reforming world.And sensor is in the activities such as scientific experiment and commercial production, the exploitation of information resources to be obtained, transmitted and a kind of important tool of processing.
For the Detection of Air Quality technology, mainly contain on the market at present following 6 kinds:
1. metal-oxide semiconductor (MOS) formula sensor.Metal-oxide semiconductor (MOS) formula sensor utilizes the suction-operated of tested gas, changes semi-conductive conductivity, and the comparison by curent change excites warning circuit.Affected by environment larger during due to the semiconductor-type sensor measurement, export linear unstable.Metal-oxide semiconductor (MOS) formula sensor, because of its reaction very sensitive, therefore now widely used field is little leakage phenomenon of measurement gas.2. catalytic combustion type sensor.The catalytic combustion type sensor principle is one of principle of at present the most widely used detection inflammable gas, have output signal linear good, index reliable, low price, without with the characteristics such as interference of intersecting of other incombustible gas.Catalytic combustion type sensor adopts the Wheatstone bridge principle, inflammable gas generation flameless burning in inductive reactance and environment, that temperature changes the resistance of inductive reactance, break bridge balance, make it the current signal of stable output, then through the amplification of later stage circuit, the stable and reliable numerical value of the final demonstration of processing.3. fixed electric potential electroanalysis formula sensor.Fixed electric potential electroanalysis formula sensor is the most widely used a kind of technology in malicious class scene of surveying at present, and foreign technology is leading in this regard, so sensors with auxiliary electrode were dependence on import mostly.The structure of fixed electric potential electroanalysis formula gas sensor: in the body of plastics are made tubular pond, installment work electrode, to electrode and contrast electrode is full of electrolytic solution between electrode, and the barrier film of being made by the porous tetrafluoroethene is in top encapsulation.Prime amplifier is connected with sensor electrode, has applied certain current potential between electrode, makes sensor in running order.Reduction or oxidation reaction are occuring to electrode in working electrode generation oxidation or reduction reaction in gas and electrolyte, and the equilibrium potential of electrode changes, and changing value is directly proportional to gas concentration.4. character used in proper names and in rendering some foreign names cuts down Buddhist nun's battery type oxygen sensor.Character used in proper names and in rendering some foreign names cuts down the structure of Buddhist nun's battery type oxygen sensor: the one side at plastic containers is equipped with, polyfluortetraethyleventilated ventilated membrane thick 10-30 μ m good to permeability, in its container inside noble metal (platinum, yellow gold, silver etc.) negative electrode of tightly adhering, form anode (with metal plumbous, that cadmium plasma tendency is large) in the another side inboard of container or the vacant part of container.Use potassium hydroxide.Oxygen in anode and cathode generation redox reaction, makes the anode metal ionization by electrolyte the time, discharge electronics, and how many sizes of electric current is directly proportional to oxygen, because whole reaction Anodic metal has consumption, so sensor needs periodic replacement.Domestic technique reaches its maturity at present, and sensors with auxiliary electrode were fully can domesticize.
5. infrared type sensor.The infrared type sensor utilizes various elements to the principle of absorption of certain specific wavelength, has an anti-Poisoning good, is quick on the draw, and most of hydrocarbons are all responded.But complex structure, cost is high.6.PID photoionization gas sensor.PID is made of major parts such as ultraviolet light source and ion chambers, in the ion chamber, positive and negative electrode is arranged, and forms electric field, and gas to be measured is under the irradiation of uviol lamp, and ionization generates negative ions, forms electric current between electrode, through amplifying output signal.PID has highly sensitive, without poisoning problem, and the advantage such as safe and reliable.
In sum, present AQS Air mass sensor integrated functionality is less, function singleness, generally can only the monitoring of environmental parameter or can only control blower fan, electric valve etc., what have also needs outer sensor, and basically can not combined network communication, and considerably less for the air quality control device with wireless communication function of household, what have is also by the integrated system of the technology of Internet of things such as ZigBee, and high, the complex structure of the cost of system, maintenance need the professional for household.
The utility model content
The technical matters that the utility model solves is to provide a kind of wireless air quality control device, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
wireless air quality control device, comprise monitoring part and control section, described monitoring part comprises air mass sensor, wireless communication module and processor module, described control section comprises wireless receiving module and data processing circuit, described air mass sensor is transferred to described processor module with the air quality data that collects and processes, data after processing are admitted to described wireless communication module and are converted into wireless signal, direct output control signal after this wireless signal is received by the wireless receiving module of described control section and processes by the digital to analog converter of described data processing circuit inside, this control signal enters various external unit driving circuits, drive corresponding equipment energising running through these driving circuits.
In the utility model, described air mass sensor is connected with described processor module by an interface circuit, described interface circuit comprises adjustable resistance RS and fixed resistance RH and RL, described resistance R H directly and power supply be connected in parallel, described resistance R S and the two ends that are connected in parallel on described power supply after RL connects.
Beneficial effect
The utility model adopts the semiconductor sensing technology that the data of site environment are surveyed accurately and shown on screen, show that data have: humiture, TVOC concentration etc., according to the numerical value of surveying site environment, automatically export corresponding wireless control signal, control corresponding electromechanical equipment (blower fan, coil pipe etc.), further reach the purpose of on-demand service.And simple in structure, the composition subsystem of can networking, easy for installation, save material and cost of labor, more be applicable to the single buildings such as household office.
Description of drawings
Fig. 1 is wireless air quality control device monitoring part-structure figure.
Fig. 2 is wireless air quality control device control section structural drawing.
Fig. 3 is the overall construction drawing of wireless air quality control device.
Fig. 4 is the interface circuit schematic diagram of wireless air quality control device.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
referring to Fig. 1, Fig. 2 and Fig. 3, wireless air quality control device monitoring part-structure figure, control section structural drawing and overall construction drawing, wireless air quality control device, by power circuit 1 power supply, comprise monitoring part 9 and control section 10, described monitoring part 9 comprises air mass sensor 2, wireless communication module 4 and processor module 3, described control section 10 comprises wireless receiving module 5 and data processing circuit 6, described air mass sensor 2 is transferred to described processor module 3 with the air quality data that collects and processes, data after processing are admitted to described wireless communication module 4 and are converted into wireless signal, direct output control signal after this wireless signal is received by the wireless receiving module 5 of described control section 10 and processes by the digital to analog converter of described data processing circuit 6 inside, this control signal enters various external unit driving circuits 7, drive corresponding equipment 8 energising runnings through these driving circuits 7.
Referring to Fig. 4, the interface circuit schematic diagram of wireless air quality control device, described air mass sensor 2 is connected with described processor module 3 by an interface circuit, described interface circuit comprises adjustable resistance RS and fixed resistance RH and RL, described resistance R H directly and power supply be connected in parallel, described resistance R S and the two ends that are connected in parallel on described power supply after RL connects.Can establish RH is 91 ohm, and RL is 281.25 ohm, RS=(VC*RL)/VRL-RL.
The utility model utilizes the combination sensor technology, pollutes for toxic and harmfuls such as indoor formaldehyde, carbon monoxide, carbon dioxide, ammonia, benzene, TVOC, and the IAQ (indoor air quality) of household is carried out real-time monitoring continuously.And provide multi-faceted control measure: on the one hand the display screen color by this device intuitively reflect quality (green, yellow, the red) while with the form of numeral demonstration with quantitative concentration, allow the user understand present ambient condition in the simplest mode; Realize on the other hand the propagation function of the message exchange of sensor and controller by radio sensing network, allow instant the turning round of ventilation equipment, the Automatic Optimal air quality, and the user need not wiring and just can install easily and operative installations, reduce costs energy-conserving and environment-protective.
The utility model can also coordinate the intelligent environment control system of this department research and development, the ingredient that becomes subsystem is the air quality autonomous control subsystem, carry out communication with total platform, transmit in real time the home environment data, can automatically also can accept the control of total platform, become and to join controlled system equipment.
above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model, the technician of the industry should understand, the utility model is not restricted to the described embodiments, that describes in above-described embodiment and instructions just illustrates principle of the present utility model, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall in claimed the utility model scope, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. wireless air quality control device, comprise monitoring part and control section, it is characterized in that, described monitoring part comprises air mass sensor, wireless communication module and processor module, described control section comprises wireless receiving module and data processing circuit, described air mass sensor is transferred to described processor module with the air quality data that collects and processes, data after processing are admitted to described wireless communication module and are converted into wireless signal, direct output control signal after this wireless signal is received by the wireless receiving module of described control section and processes by the digital to analog converter of described data processing circuit inside, this control signal enters various external unit driving circuits, drive corresponding equipment energising running through these driving circuits.
2. wireless air quality control device according to claim 1, it is characterized in that, described air mass sensor is connected with described processor module by an interface circuit, described interface circuit comprises adjustable resistance RS and fixed resistance RH and RL, described resistance R H directly and power supply be connected in parallel, described resistance R S and the two ends that are connected in parallel on described power supply after RL connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703480 CN202994761U (en) | 2012-12-19 | 2012-12-19 | Wireless air quality controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220703480 CN202994761U (en) | 2012-12-19 | 2012-12-19 | Wireless air quality controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994761U true CN202994761U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220703480 Expired - Fee Related CN202994761U (en) | 2012-12-19 | 2012-12-19 | Wireless air quality controller |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103838218A (en) * | 2014-03-11 | 2014-06-04 | 沈阳大学 | Automatic anion air purifier of wireless sensor network |
| CN112270835A (en) * | 2020-09-02 | 2021-01-26 | 南京驭逡通信科技有限公司 | Multi-sensor-based vehicle access management control system and control method thereof |
-
2012
- 2012-12-19 CN CN 201220703480 patent/CN202994761U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103838218A (en) * | 2014-03-11 | 2014-06-04 | 沈阳大学 | Automatic anion air purifier of wireless sensor network |
| CN112270835A (en) * | 2020-09-02 | 2021-01-26 | 南京驭逡通信科技有限公司 | Multi-sensor-based vehicle access management control system and control method thereof |
| CN112270835B (en) * | 2020-09-02 | 2021-11-26 | 南京驭逡通信科技有限公司 | Multi-sensor-based vehicle access management control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |