CN109572371A - A kind of air purification system for automobiles - Google Patents
A kind of air purification system for automobiles Download PDFInfo
- Publication number
- CN109572371A CN109572371A CN201710895033.0A CN201710895033A CN109572371A CN 109572371 A CN109572371 A CN 109572371A CN 201710895033 A CN201710895033 A CN 201710895033A CN 109572371 A CN109572371 A CN 109572371A
- Authority
- CN
- China
- Prior art keywords
- air
- dust concentration
- concentration sensor
- purification system
- automobiles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H2003/0683—Filtering the quality of the filter or the air being checked
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H2003/0691—Adsorption filters, e.g. activated carbon
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of air purification system for automobiles, the system is controlled based on AT89C51 system, soot dust granule is detected automatically by dust concentration sensor, to control the operating of air purifier, the system includes: control unit, and system uses AT89C51 single-chip microcontroller, receives the various information from the detection input of dust concentration sensor, and perform corresponding processing, control the running of automobile air purifying device；Dust concentration sensor, perceiving soot dust granule in automobile bodies compartment whether there is, and convert voltage signal for the dust concentration signal perceived, and by processing circuits such as signal amplifications, it is input to AT89C51 system, to control the running of air cleaning unit, the air in compartment is made to keep cleaning；Automobile air purifier, main structure are made of blower motor, filter, air blower air register and shell etc..
Description
Technical field
The invention belongs to sensor technical fields, and in particular to a kind of automobile based on AT89C51 system control is empty
Gas purification system.
Background technique
With the quickening of automotive circuit diagram process, car comfort, safety, the feature of environmental protection etc. are proposed higher
Requirement.In automobile bodies, smokes because of passenger or invade in-vehicle air pollution caused by dust etc. outside vehicle, will seriously endanger
To human health.It is aobvious to meet requirement of the people to High-quality automobile performance that a kind of automatic air purification system is designed thus
It obtains necessary.Widely used air cleaning unit is a part of automotive air-conditioning system on present automobile, and only
Sedan limousine just has, and there is no air cleaning units for general car.Therefore design it is a kind of it is simple, practical, reliable for operation, at
This automatic air purification system low, independently of automotive air-conditioning system operation.System is by dust concentration sensor to flue dust
Particle is detected automatically, to control whether air purifier operates, achievees the purpose that purify air in a car compartment.In addition,
System also has the function of Intelligent manual and automatic switchover.
Summary of the invention
The object of the present invention is to provide a kind of air purification system for automobiles based on AT89C51 system control.
Realizing the technical solution of the object of the invention is: a kind of air purification system for automobiles, the system are based on single-chip microcontroller
AT89C51 control, detects soot dust granule by dust concentration sensor, automatically to control the fortune of air purifier
Turn, which includes:
Control unit, system use AT89C51 single-chip microcontroller, receive the various letters from the detection input of dust concentration sensor
Breath, performs corresponding processing, and controls the running of automobile air purifying device；
Dust concentration sensor, perceiving soot dust granule in automobile bodies compartment whether there is, and the dust concentration signal perceived is turned
Voltage signal is turned to, and by processing circuits such as signal amplifications, is input to AT89C51 system, to control air cleaning dress
The running set makes the air in compartment keep cleaning；
Automobile air purifier, main structure are made of blower motor, filter, air blower air register and shell etc..
As a further improvement of the present invention, the external interrupt mouth of described control unit AT89C51 single-chip microcontroller is additionally provided with
The starting of this air cleaning system/out of service is manually operated by driver in control switch.
As a further improvement of the present invention, the dust concentration sensor internal uses pulse oscillation circuit to prevent
Dust concentration sensor is caused to malfunction by external disturbance, even if injecting the infrared light of phase co-wavelength, because of their pulse week
Phase is different, and dust concentration sensor will not erroneous judgement.
As a further improvement of the present invention, the dust concentration sensor internal is additionally provided with timing, delay circuit, even if
Do not detect smog, the blower motor in air cleaning unit once gets into smooth, and can only also continue after rotating 2 min
It is automatically stopped work.
As a further improvement of the present invention, described control unit executes the following steps:
(1) light emitting diode generates invisible interval infrared light, in air without smog in the case where, infrared light
It penetrates less than photodiode, the switching circuit of triode composition is in off state, the blower motor in air cleaning unit
It is inoperative；
(2) when smog enters dust concentration sensor, the infrared light of interval makes smoke particle diffusing reflection enter light-sensitive device,
At this moment photodiode is connected, and dust concentration sensor just perceives the presence of smog, connects the air blast in air cleaning unit
Motor circuit and be allowed to operate, start purified treatment.
As a further improvement of the present invention, the main structure of the automobile air purifying device in the step (2) by
Blower motor, filter, air blower air register and shell etc. constitute, filter be packed into active carbon filter paper to neutralize deodorant,
Fan rotation is driven when blower motor rotates, dust, smog etc. are sucked at air inlet, through filter filtering, deodorization
Fresh air blowed in automobile bodies at air outlet.
The present invention utilizes AT89C51 system and dust concentration sensor, and the various information of real-time detection input are gone forward side by side
The corresponding processing of row, the running of control automobile air purifying device make in compartment to control the running of air cleaning unit
Air keeps clean function.
The beneficial effects of the present invention are:
(1) this method breaches a part that orthodox car air cleaning unit is automotive air-conditioning system, as an independence
System run；
(2) there is energy-efficient characteristic, when dust concentration sensor detects the soot dust granule in compartment, air cleaning unit
Automatic running, to achieve the purpose that purify air, if not detecting soot dust granule, air cleaning unit with regard to inoperative,
In order to avoid causing unnecessary energy loss；
(3) system also has stronger sensitivity and anti-interference ability, is affected by the external environment smaller；
(4) overall system structure is simple, performance is stable, environmental protection and energy saving, has intelligence discovery and judges flue dust in tested range
Whether concentration is exceeded, and can make corresponding movement.
Detailed description of the invention
Fig. 1 is 1 air purification system for automobiles structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the internal circuit configuration figure of 1 dust concentration sensor of the embodiment of the present invention；
Fig. 3 is the structure chart of 1 air purifier of the embodiment of the present invention.
Specific embodiment
It is described further with reference to the accompanying drawings and examples.
The hardware of air purification system for automobiles is formed as shown in Fig. 1, and system is mainly by AT89C51 single-chip microcontroller and its outside
The components such as circuit, dust concentration sensor, air cleaning unit, external control switch composition is enclosed, AT89C51 system is
One kind having the erasable read-only memory of 4K byte Flash-Programmable, has 8 low-voltage, high-performance CMOS micro processs
Device, mutually compatible with the MCS-51 MCU Instruction collection and output pin of industrial standard, AT89C51 single-chip microcontroller is many insertions
Formula system provides a flexibility height and inexpensive scheme.In systems, its primary recipient is examined from dust concentration sensor
The various information of input are surveyed, and are performed corresponding processing, the running of automobile air purifying device is controlled；Dust concentration sensor
Soot dust granule whether there is in perception automobile bodies compartment, convert voltage signal for the dust concentration signal perceived, and pass through
The processing circuits such as signal amplification, are input to AT89C51 system, to control the running of air cleaning unit, make in compartment
Air keep cleaning；The main structure of automobile air purifier is by blower motor, filter, air blower air register and shell
Body etc. is constituted.
Fig. 2 is the internal circuit configuration figure of 1 dust concentration sensor of the embodiment of the present invention, and dust concentration sensor is
It is made of light emitting diode, photodiode and signal processing circuit etc..By the aperture slots of dust concentration sensor,
Air can flow freely, and light emitting diode generates invisible interval infrared light, in air without smog in the case where,
Infrared light emission is in off state, the air blast in air cleaning unit less than photodiode, the switching circuit of triode composition
Motor is inoperative；Otherwise when smog enters dust concentration sensor, the infrared light of interval make smoke particle diffusing reflection into
Enter light-sensitive device, at this moment photodiode is connected, and dust concentration sensor just perceives the presence of smog, connects air cleaning
Blower motor circuit in device and be allowed to operate, start purified treatment.In addition, to prevent dust concentration sensor by outer
Portion interferes and causes to malfunction, and sensor internal additionally uses pulse oscillation circuit, even if injecting the infrared light of phase co-wavelength,
Because their pulse period is different, dust concentration sensor will not erroneous judgement.In addition, dust concentration sensor internal is also set
There are timing, delay circuit, their effect is the blower motor one in air cleaning unit even if not detecting smog
Denier gets into smooth, and can only also continue to be automatically stopped work after rotating 2min.
Fig. 3 is the structure chart of 1 air purifier of the embodiment of the present invention, and the main structure of automobile air purifier is by rousing
Fan/motor, filter, air blower air register and shell etc. are constituted.Filter be packed into active carbon filter paper to neutralize deodorant,
Active carbon was generally just needed replacing using 3~6 months.Fan rotation is driven when blower motor rotates, in air inlet
Place dust, smog etc. sucking, filtered through filter, the fresh air of deodorization blows in automobile bodies at air outlet.
Specific implementation step is as follows:
(1) this system is initialized, automobile purification system is started by external control switch；
(2) dust concentration sensor detects soot dust granule；
(3) when smog enters dust concentration sensor, the infrared light of interval makes smoke particle diffusing reflection enter light-sensitive device, this
Shi Guangmin diode current flow, dust concentration sensor just perceive the presence of smog, connect the air blast electricity in air cleaning unit
Motivation circuit and be allowed to operate, start purified treatment；
In air without smog in the case where, less than photodiode, the switching circuit of triode composition is in infrared light emission
Off state, the blower motor in air cleaning unit are inoperative.
Claims (7)
1. a kind of air purification system for automobiles, which is controlled based on AT89C51 system, passes through dust concentration sensor
Soot dust granule is detected automatically, to control the operating of air purifier, which includes:
Control unit, system use AT89C51 single-chip microcontroller, receive the various letters from the detection input of dust concentration sensor
Breath, and perform corresponding processing, control the running of automobile air purifying device；
Dust concentration sensor, perceiving soot dust granule in automobile bodies compartment whether there is, and the dust concentration signal perceived is turned
Voltage signal is turned to, and by processing circuits such as signal amplifications, is input to AT89C51 system, to control air cleaning dress
The running set makes the air in compartment keep cleaning；
Automobile air purifier, main structure are made of blower motor, filter, air blower air register and shell etc..
2. a kind of air purification system for automobiles according to claim 1, characterized in that the described control unit uses
AT89C51 single-chip microcontroller, AT89C51 monolithic mutually compatible with the MCS-51 MCU Instruction collection and output pin of industrial standard
The external interrupt mouth of machine is additionally provided with control switch, is transported by starting/stopping that this air cleaning system is manually operated in driver
Row.
3. a kind of air purification system for automobiles according to claim 1, characterized in that described, dust concentration sensor
It is made of light emitting diode, photodiode and signal processing circuit etc..
4. according to claim 1 or a kind of air purification system for automobiles described in 3, characterized in that described, dust concentration
Sensor internal prevents dust concentration sensor from being caused to malfunction by external disturbance using pulse oscillation circuit.
5. according to claim 1 or a kind of air purification system for automobiles described in 3, characterized in that described, dust concentration
Sensor internal is equipped with timing, delay circuit, the blower motor one even if not detecting smog, in air cleaning unit
Denier gets into smooth, and can only continue to be automatically stopped work after rotating 2 min.
6. a kind of air purification system for automobiles according to claim 1, characterized in that described, automobile air purifier
Main structure be made of blower motor, filter, air blower air register and shell etc., filter be packed into active carbon filter paper
Fan rotation is driven to neutralize deodorant, when blower motor rotates, and dust, smog etc. is sucked at air inlet, through filtering
Clear device filters, the fresh air of deodorization blows in automobile bodies at air outlet.
7. a kind of air purification system for automobiles according to claim 1 or 2, characterized in that described control unit executes
The following steps:
(1) light emitting diode generates invisible interval infrared light, in air without smog in the case where, infrared light
It penetrates less than photodiode, the switching circuit of triode composition is in off state, the blower motor in air cleaning unit
It is inoperative；
(2) when smog enters dust concentration sensor, the infrared light of interval makes smoke particle diffusing reflection enter light-sensitive device,
At this moment photodiode is connected, and dust concentration sensor just perceives the presence of smog, connects the air blast in air cleaning unit
Motor circuit and be allowed to operate, start purified treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895033.0A CN109572371A (en) | 2017-09-28 | 2017-09-28 | A kind of air purification system for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895033.0A CN109572371A (en) | 2017-09-28 | 2017-09-28 | A kind of air purification system for automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109572371A true CN109572371A (en) | 2019-04-05 |
Family
ID=65912995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710895033.0A Pending CN109572371A (en) | 2017-09-28 | 2017-09-28 | A kind of air purification system for automobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109572371A (en) |
-
2017
- 2017-09-28 CN CN201710895033.0A patent/CN109572371A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190405 |