CN205644206U - Formula air purifier intelligent monitoring system is handled to multicircuit - Google Patents
Formula air purifier intelligent monitoring system is handled to multicircuit Download PDFInfo
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- CN205644206U CN205644206U CN201620261530.6U CN201620261530U CN205644206U CN 205644206 U CN205644206 U CN 205644206U CN 201620261530 U CN201620261530 U CN 201620261530U CN 205644206 U CN205644206 U CN 205644206U
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Abstract
The utility model discloses a formula air purifier intelligent monitoring system is handled to multicircuit, including the singlechip, the particle sensor who all is connected with the singlechip, bee calling organ, air purifier, data memory, infrared ray sensor, display screen, signal differential amplification treatment circuit and signal acquisition circuit, the humidity transducer who is connected with signal differential amplification treatment circuit to and the gas sensor who is connected with signal acquisition circuit, signal differential amplification treatment circuit includes signal collection circuit and adjustment filter circuit. The utility model discloses a carry out analysis processes through harmful substance and harmful gas's the information of singlechip in to gas sensor, humidity transducer, particle sensor, the infrared ray sensor air in to the air purifier application range who monitors, realized that control air purifier carries on automatic carrying out accurate purification to the air, simultaneously, the effectual electric power resource of having practiced thrift.
Description
Technical field
The utility model relates to electronic applications, specifically, be a kind of many processing of circuit formula air cleaning
Device intelligent monitor system.
Background technology
Along with the constantly progress of industrial automation and improving constantly of people's quality of life, people are to its ring of surviving
The requirement in border also improves constantly, and air quality is an important mark of environment quality, and it directly affects
Healthy living to people.
Air purifier at home, medical treatment, industrial circle all have application, field is with the domestic of unit class at home
Air purifier is the main product in market.Topmost function is to remove the particulate matter in air, including
Quick former, indoor PM2.5 etc., can also solve simultaneously the indoor owing to finishing or other reasons cause,
Volatile organic matter air pollution problems inherent in the underground space, car.Space Air Contamination due to relative closure
The release of thing has persistency and probabilistic feature, and therefore using air purifier to purify the air of a room is state
One of method improving IAQ (indoor air quality) that border is generally acknowledged.Owing to the air purifier on existing market can not be accurate
True be used in the range of air regime be monitored, meanwhile, the control system of existing air purifier
System realizes automatically turning on and closing of air purifier, causes air purifier cannot effectively purify air,
Thus healthy to people of serious harm.
Therefore it provides the monitoring system of a kind of air purifier that can effectively monitor air regime, become into
The task of top priority of those skilled in the art.
Utility model content
The purpose of this utility model is to overcome air purifier of the prior art not effectively to be used for
In the range of the defect that is monitored of air regime, it is provided that one many processing of circuit formula air purifier intelligence
Monitoring system.
This utility model is achieved through the following technical solutions: a kind of many processing of circuit formula air purifier intelligence
Monitoring system, including single-chip microcomputer, the particle sensor being all connected with single-chip microcomputer, buzzer, air cleaning
The differential amplification treatment circuit of device, data storage, infrared ray sensor, display screen, signal and signals collecting
Circuit, the humidity sensor that amplification treatment circuit differential with signal is connected, and with signal acquisition circuit phase
The gas sensor connected；The differential amplification treatment circuit of described signal includes that input is connected with humidity sensor
The signal sample circuit connect, the adjustment filter circuit being connected with the outfan of signal sample circuit with input；
The outfan of described adjustment filter circuit is connected with single-chip microcomputer.
Described signal sample circuit by audion VT2, positive pole after resistance R20 with the base of audion VT2
Pole is connected, negative pole as polar capacitor C6, the P pole of the input of signal sample circuit sequentially through resistance R19
Be connected with positive pole with polar capacitor C6 after resistance R18, N pole is connected with the colelctor electrode of audion VT2
The diode D5 connect, negative pole is sequentially connected through resistance R23 P pole with diode D5 after resistance R24,
The polar capacitor C8 that positive pole emitter stage with audion VT2 after resistance R22 is connected, and positive pole is through electricity
Be connected with the emitter stage of audion VT2 after resistance R21, the polar capacitor C7 of minus earth forms；Described
The negative pole of polar capacitor C8 is as the outfan of signal sample circuit.
Described adjustment filtered electrical routing amplifier P5, the negative pole phase of amplifier P6, N pole and polar capacitor C8
Connect, diode D6 that P pole positive pole with amplifier P5 after resistance R25 is connected, one end and amplification
The resistance R26 that the positive pole of device P5 is connected, the other end is connected with the N pole of diode D6, positive pole is through electricity
Be connected with the positive pole of amplifier P5 after resistance R27, negative pole after resistance R28 with the outfan of amplifier P5
The polar capacitor C9 being connected, negative pole outfan with amplifier P6 after resistance R34 is connected, positive pole
The polar capacitor C10 that positive pole with amplifier P6 is connected after resistance R33, one end and polar capacitor C10
Positive pole be connected, resistance R32, the P pole of other end ground connection after resistance R30 with the output of amplifier P5
The diode D8 that end is connected, N pole negative pole with amplifier P6 after resistance R31 is connected, and P
N pole with diode D8 after adjustable resistance R29, pole is connected, N pole is connected with the negative pole of amplifier P5
The diode D7 composition connect；The negative pole of described amplifier P6 is connected with the outfan of amplifier P1, should
The outfan of amplifier P6 is as the outfan adjusting filter circuit.
Described signal acquisition circuit includes the signal receiving circuit that input is connected with gas sensor, and defeated
Enter the bandwidth-limited circuit that end is connected with the outfan of signal receiving circuit；Described bandwidth-limited circuit defeated
Go out end to be connected with single-chip microcomputer.
Described signal receiving circuit by amplifier P1, amplifier P2, positive pole after resistance R1 with amplifier
The polar capacitor C1 that the positive pole of P1 is connected, negative pole negative pole with amplifier P1 after resistance R2 is connected,
Negative pole is connected with the outfan of amplifier P1, positive pole negative pole with amplifier P1 after resistance R3 is connected
Polar capacitor C2, P pole be connected with the negative pole of amplifier P1, N pole after resistance R4 with amplifier P1
Diode D1, the N pole that is connected of outfan be connected with the positive pole of amplifier P2, P pole is through resistance R5
The diode D2 that outfan with amplifier P1 is connected afterwards, positive pole is sequentially after resistance R8 and resistance R7
Be connected with the P pole of diode D2, polar capacitor C3 that negative pole is connected with the outfan of amplifier P2,
The resistance R9 that one end is connected with the positive pole of polar capacitor C3, the other end is connected with the positive pole of amplifier P2,
And one end is connected with the P pole of diode D2, the resistance R6 of other end ground connection composition；Described polarity electricity
Hold the positive pole input as signal receiving circuit of C1；The minus earth of described amplifier P2, its output
Hold the outfan as signal receiving circuit.
Described bandwidth-limited circuit is by amplifier P3, amplifier P4, audion VT1, one end and amplifier
The resistance R10 that the outfan of P2 is connected, the other end is connected with the base stage of audion VT1, negative pole with put
The negative pole of big device P4 is connected, positive pole colelctor electrode with audion VT1 after adjustable resistance R11 is connected
Polar capacitor C4, one end is connected with the positive pole of polar capacitor C4, the other end and audion VT1 current collection
The resistance R13 that pole is connected, negative pole outfan with amplifier P3 after resistance R14 is connected, positive pole warp
Polar capacitor C5, the P pole that after resistance R12, emitter stage with audion VT1 is connected and audion VT1
The diode D3 that colelctor electrode is connected, N pole is connected with the negative pole of polar capacitor C5, one end and amplification
The resistance R15 that the positive pole of device P3 is connected, the other end is connected with the outfan of amplifier P3, and N
Pole is connected with the negative pole of amplifier P3, P pole sequentially after resistance R16 and resistance R17 with amplifier P4
Outfan be connected diode D4 composition；The grounded collector of described amplifier P4, its outfan is made
Outfan for bandwidth-limited circuit.
For guaranteeing practical effect of the present utility model, described humidity sensor is JCJ175A humidity sensor
Device；Described particle sensor is PPD60PV particle sensor；Described gas sensor is QM-N5 air-sensitive
Sensor；Described infrared ray sensor is TR350 infrared ray sensor.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) air purifier range can be monitored by infrared ray sensor of the present utility model, monolithic
Machine can control air purifier according to the information analysis result monitoring infrared ray sensor and automatically turn on
With closedown；Meanwhile, gas sensor, particle sensor, humidity sensor are to air purifier range
Air in harmful substance and harmful gas effectively monitor, single-chip microcomputer is by gas sensor, granule
In the information and date memorizer of sensor, humidity sensor monitoring, the information of storage effectively controls air
Air is purified by depurator, thus effectively raises the intelligence control system of this air purifier to sky
The accuracy that gas purifies.
(2) the differential amplification treatment circuit of signal of the present utility model can prevent the signal of telecommunication that humidity sensor exports
In the direct current that is mixed with and baseline drift interference signal pass through, meanwhile, this circuit can also be by the high frequency in the signal of telecommunication
Interference signal leaches by adjusting filter circuit, effectively raises the stability of the signal of telecommunication, thus really
Protect the work accuracy of this monitoring system.
(3) other during signal acquisition circuit of the present utility model can suppress the signal of telecommunication that gas sensor exports
Interference signal passes through, and meanwhile, the signal of telecommunication after anti-interference process can also be filtered by this signal acquisition circuit
Process, effectively eliminate direct current harmonic wave, and be transferred to single-chip microcomputer after carrying out twice amplification, effectively raise
The accuracy of the signal of telecommunication that single-chip microcomputer receives, ensures that the accuracy that this monitoring system works.
(4) this utility model have employed simultaneously JCJ175A humidity sensor and PPD60PV particle sensor with
And QM-N5 gas sensor, single-chip microcomputer can accurately control air according to the information of these three kinds of Sensor monitorings
The open and close of depurator, effectively raise the accuracy to air cleaning.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the electrical block diagram of signal acquisition circuit of the present utility model.
Fig. 3 is the electrical block diagram of the differential amplification treatment circuit of signal of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, this utility model is described in further detail, but this practicality is new
The embodiment of type is not limited to this.
As it is shown in figure 1, this utility model includes single-chip microcomputer, the particle sensor that is all connected with single-chip microcomputer,
At the differential amplification of buzzer, air purifier, data storage, infrared ray sensor, display screen, signal
Reason circuit and signal acquisition circuit, the humidity sensor that amplification treatment circuit differential with signal is connected, and
The gas sensor being connected with signal acquisition circuit.Wherein, described signal acquisition circuit as in figure 2 it is shown,
It includes signal receiving circuit and bandwidth-limited circuit；The outfan of described bandwidth-limited circuit and single-chip microcomputer phase
Connect.
For guaranteeing reliability service of the present utility model, described single-chip microcomputer preferentially have employed FM8PE59A monolithic
Machine.The IOA1 pin of this FM8PE59A single-chip microcomputer is connected with particle sensor, TXD-pin and air
Depurator is connected, and INT pin is connected with data storage, and SDI pin is connected with infrared ray sensor,
TI pin is connected with buzzer, and CKI pin is connected with display screen.Described power supply is 12V DC voltage,
This voltage is that single-chip microcomputer is powered.
When this utility model runs, described infrared ray sensor the most preferentially uses stable performance, monitoring range
Wide TR350 infrared ray sensor realizes.This infrared ray sensor is for air purifier range
Monitoring, i.e. have nobody to be monitored air purifier range, and the information that will detect be converted to electricity
Being transferred to single-chip microcomputer after signal, single-chip microcomputer is then according to the output control air cleaning analyzing the signal of telecommunication received
Device opens and closes automatically.Infrared ray sensor monitor air purifier range have people time,
Single-chip microcomputer then exports control electric current after receiving this information and works to air purifier, air purifier, i.e. have
The harmful substances such as the PM2.5 eliminated in air of effect, dust, abnormal flavour, methanol.When infrared ray sensor is supervised
Measure people when leaving, single-chip microcomputer receive after this information then can time-delay closing air purifier, to prevent people from existing
When short time enters repeatedly, air purifier is caused ceaselessly to open and damage air purifier.This practicality is new
The data storage of type the most preferentially have employed the VNXe3200 data storage of stable performance, and these data store
The internal memory of device contains the normal value of the harmful substance contained by air and harmful gas, the nuisance contained by this air
The normal value of matter and harmful gas is that people's eupnea does not constitute the numerical value of injury.
Meanwhile, when air purifier is unlocked, gas sensor, particle sensor, humidity sensor are then real
Time the air of air purifier range is monitored.Gas sensor preferentially have employed QM-N5 air-sensitive
Sensor realizes, and this gas sensor is for monitoring harmful gas such as PM2.5 in air, abnormal flavour, methanol
The content information of body, and the information of monitoring is converted to the signal of telecommunication through signal acquisition circuit transmit, this signal is adopted
Collector can suppress other interference signal in the signal of telecommunication that gas sensor exports to pass through, meanwhile, and this signal
The signal of telecommunication after anti-interference process is also filtered processing by Acquisition Circuit, effectively eliminates direct current harmonic wave, and
It is transferred to single-chip microcomputer after carrying out twice amplification；Particle sensor the most preferentially have employed PPD60PV particle sensor
Realizing, this particle sensor is for monitoring the harmful substances such as dust in air, and the information of monitoring is turned
It is changed to the signal of telecommunication and is transferred to single-chip microcomputer；Humidity sensor preferentially have employed JCJ175A humidity sensor and realizes,
This humidity sensor is for being monitored the humidity of air, and the information of monitoring is converted to the signal of telecommunication through letter
Number differential amplification treatment circuit, the differential amplification treatment circuit of this signal prevents the signal of telecommunication that humidity sensor exports
In the direct current that is mixed with and baseline drift interference signal pass through, meanwhile, this circuit can also be by the high frequency in the signal of telecommunication
Interference signal is transferred to single-chip microcomputer after being leached by adjustment filter circuit.The institute that single-chip microcomputer then will receive
After having the signal of telecommunication to be analyzed processing, the numerical value of the harmful substance in the air that obtains and harmful gas is deposited with data
The internal memory of reservoir contains the normal value of the harmful substance contained by air and harmful gas and compares, and works as single-chip microcomputer
The air harmful substance received and the numerical value of harmful gas contain contained by air with the internal memory of data storage
When harmful substance is consistent with the normal value of harmful gas, Single-chip Controlling air purifier quits work.Otherwise,
Single-chip Controlling air purifier is started working, and purifies air, in order to make air purifier use model
The numerical value enclosing the harmful substance in interior air and harmful gas reaches the normal value that people breathe.
This utility model, harmful contained by the air of the interior storage of described display screen energy display data memory
Material and the normal value of harmful gas, may also display in the air obtained after single-chip microcomputer processes simultaneously
Harmful substance and the actual value of harmful gas, it is simple to people understand the situation of air.Wherein, this utility model,
Described buzzer is when air purifier is opened or closed, and single-chip microcomputer controls electric current to the output of this buzzer,
Buzzer begins to send out prompt tone, and this prompt tone the people in pointing out air purifier range carried out really
Recognize air purifier to be opened or closed.
This utility model achieves harmful substance and the harmful gas of the air to prison air purifier range
Effective monitoring, i.e. achieve the effective requirement purifying air, and achieve to air purifier from
Dynamic open and close, thus saved electric power resource.
As in figure 2 it is shown, described signal acquisition circuit includes signal receiving circuit and bandwidth-limited circuit；Described
Signal receiving circuit by amplifier P1, amplifier P2, resistance R1, resistance R2, resistance R3, resistance R4,
Resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, polar capacitor C1, polar capacitor C2,
Polar capacitor C3, diode D1, and diode D2 form.
During connection, the positive pole of polar capacitor C1 positive pole with amplifier P1 after resistance R1 is connected, negative
Pole negative pole with amplifier P1 after resistance R2 is connected.The negative pole of polar capacitor C2 is with amplifier P1's
Outfan is connected, positive pole negative pole with amplifier P1 after resistance R3 is connected.The P of diode D1
Pole is connected with the negative pole of amplifier P1, N pole outfan with amplifier P1 after resistance R4 is connected.
The N pole of diode D2 is connected with the positive pole of amplifier P2, P pole after resistance R5 with amplifier P1's
Outfan is connected.
Wherein, the positive pole of polar capacitor C3 sequentially after resistance R8 and resistance R7 with the P of diode D2
Pole is connected, negative pole is connected with the outfan of amplifier P2.One end of resistance R9 and polar capacitor C3
Positive pole be connected, the other end is connected with the positive pole of amplifier P2.One end of resistance R6 and diode D2
P pole be connected, other end ground connection.The positive pole of described polar capacitor C1 is as the input of signal receiving circuit
End；The minus earth of described amplifier P2, its outfan as the outfan of signal receiving circuit and leads to band
Filter circuit is connected.
Further, described bandwidth-limited circuit is by amplifier P3, amplifier P4, audion VT1, electricity
Resistance R10, adjustable resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16,
Resistance R17, polar capacitor C4, polar capacitor C5, diode D3, and diode D4 form.
During connection, one end of resistance R10 is connected with the outfan of amplifier P2, the other end and audion
The base stage of VT1 is connected.The negative pole of polar capacitor C4 is connected with the negative pole of amplifier P4, positive pole warp can
It is connected with the colelctor electrode of audion VT1 after adjusting resistance R11.One end of resistance R13 and polar capacitor C4
Positive pole be connected, the other end is connected with audion VT1 colelctor electrode.The negative pole of polar capacitor C5 is through electricity
Resistance R14 after be connected with the outfan of amplifier P3, positive pole after resistance R12 with audion VT1 send out
Emitter-base bandgap grading is connected.
Meanwhile, the P pole of diode D3 be connected with the colelctor electrode of audion VT1, N pole and polar capacitor
The negative pole of C5 is connected.One end of resistance R15 is connected with the positive pole of amplifier P3, the other end and amplification
The outfan of device P3 is connected.The N pole of diode D4 is connected with the negative pole of amplifier P3, P pole sequentially
It is connected through resistance R16 outfan with amplifier P4 after resistance R17.The current collection of described amplifier P4
Pole ground connection, its outfan as bandwidth-limited circuit outfan and with the IOA2 of FM8PE59A single-chip microcomputer
Pin is connected.
During operation, the signal receiving circuit in signal acquisition circuit can suppress the signal of telecommunication that gas sensor exports
In other interference signal pass through, meanwhile, the bandwidth-limited circuit of this signal acquisition circuit can also be by anti-interference
The signal of telecommunication after process is filtered processing, and effectively eliminates direct current harmonic wave, and carries out transmission after twice amplification
To single-chip microcomputer, effectively raise the accuracy of the signal of telecommunication that single-chip microcomputer receives, ensure that this monitoring is
The accuracy of system work.
As it is shown on figure 3, the differential amplification treatment circuit of described signal includes signal sample circuit and adjusts filtered electrical
Road；Described signal sample circuit is by audion VT2, resistance R18, resistance R19, resistance R20, resistance
R21, resistance R22, resistance R23, resistance R24, polar capacitor C6, polar capacitor C7, polar capacitor
C8, and diode D5 composition.
During connection, the positive pole of polar capacitor C6 base stage with audion VT2 after resistance R20 is connected,
Negative pole as the input of signal sample circuit and is connected with humidity sensor.The P pole of diode D5 is sequentially
Be connected through resistance R19 positive pole with polar capacitor C6 after resistance R18, N pole is with audion VT2's
Colelctor electrode is connected.
Wherein, the negative pole of polar capacitor C8 sequentially after resistance R23 and resistance R24 with diode D5's
P pole is connected, positive pole emitter stage with audion VT2 after resistance R22 is connected.Polar capacitor C7
Positive pole emitter stage with audion VT2 after resistance R21 be connected, minus earth.Described polar capacitor
The negative pole of C8 is as the outfan of signal sample circuit.
Further, described adjustment filtered electrical routing amplifier P5, amplifier P6, resistance R25, resistance
R26, resistance R27, resistance R28, adjustable resistance R29, resistance R30, resistance R31, resistance R32,
Resistance R33, resistance R34, polar capacitor C9, polar capacitor C10, diode D6, diode D7,
And diode D8 composition.
During connection, the N pole of diode D6 is connected with the negative pole of polar capacitor C8, P pole is through resistance R25
Positive pole with amplifier P5 is connected afterwards.One end of resistance R26 is connected with the positive pole of amplifier P5, separately
One end is connected with the N pole of diode D6.The positive pole of polar capacitor C9 after resistance R27 with amplifier
The positive pole of P5 is connected, negative pole outfan with amplifier P5 after resistance R28 is connected.Polar capacitor
The negative pole of C10 outfan with amplifier P6 after resistance R34 is connected, positive pole after resistance R33 with put
The positive pole of big device P6 is connected.
Meanwhile, one end of resistance R32 be connected with the positive pole of polar capacitor C10, other end ground connection.Two poles
The P pole of pipe D8 outfan with amplifier P5 after resistance R30 is connected, N pole after resistance R31 with
The negative pole of amplifier P6 is connected.The P pole of diode D7 after adjustable resistance R29 with diode D8's
N pole is connected, N pole is connected with the negative pole of amplifier P5.The negative pole of described amplifier P6 and amplifier P
The outfan of 1 is connected, and the outfan of this amplifier P6 is as the outfan FM8PE59A adjusting filter circuit
The IOA0 pin of single-chip microcomputer is connected.
During operation, polar capacitor C6 in the differential amplification treatment circuit of signal and audion VT2 and two poles
The signal sample circuit that pipe D5 is formed can prevent direct current and the base being mixed with in the signal of telecommunication that humidity sensor exports
Line drift interference signal passes through, meanwhile, and the amplifier P5 and amplifier P6 of the differential amplification treatment circuit of this signal
And polar capacitor C9 and diode D8 formed adjust filter circuit can also be by the High-frequency Interference in the signal of telecommunication
Signal leaches by adjusting filter circuit, effectively raises the stability of the signal of telecommunication, ensures that
The work accuracy of this monitoring system.
According to above-described embodiment, can well realize this utility model.
Claims (7)
1. processing of circuit formula air purifier intelligent monitor system more than a kind, it is characterized in that, including single-chip microcomputer, particle sensor, buzzer, air purifier, data storage, infrared ray sensor, display screen, the differential amplification treatment circuit of signal and the signal acquisition circuit being all connected with single-chip microcomputer, the humidity sensor that amplification treatment circuit differential with signal is connected, and the gas sensor being connected with signal acquisition circuit；The differential amplification treatment circuit of described signal includes the signal sample circuit that input is connected with humidity sensor, the adjustment filter circuit being connected with the outfan of signal sample circuit with input；The outfan of described adjustment filter circuit is connected with single-chip microcomputer；Described signal sample circuit is by audion VT2, positive pole base stage with audion VT2 after resistance R20 is connected, negative pole is as the polar capacitor C6 of the input of signal sample circuit, P pole is sequentially connected through resistance R19 positive pole with polar capacitor C6 after resistance R18, the diode D5 that N pole is connected with the colelctor electrode of audion VT2, negative pole is sequentially connected through resistance R23 P pole with diode D5 after resistance R24, the polar capacitor C8 that positive pole emitter stage with audion VT2 after resistance R22 is connected, and positive pole emitter stage with audion VT2 after resistance R21 is connected, the polar capacitor C7 composition of minus earth；The negative pole of described polar capacitor C8 is as the outfan of signal sample circuit.
nullOne many processing of circuit formula air purifier intelligent monitor system the most according to claim 1，It is characterized in that，Described adjustment filtered electrical routing amplifier P5，Amplifier P6，N pole is connected with the negative pole of polar capacitor C8、The diode D6 that P pole positive pole with amplifier P5 after resistance R25 is connected，One end is connected with the positive pole of amplifier P5、The resistance R26 that the other end is connected with the N pole of diode D6，Positive pole positive pole with amplifier P5 after resistance R27 is connected、The polar capacitor C9 that negative pole outfan with amplifier P5 after resistance R28 is connected，Negative pole outfan with amplifier P6 after resistance R34 is connected、The polar capacitor C10 that positive pole positive pole with amplifier P6 after resistance R33 is connected，One end is connected with the positive pole of polar capacitor C10、The resistance R32 of other end ground connection，P pole outfan with amplifier P5 after resistance R30 is connected、The diode D8 that N pole negative pole with amplifier P6 after resistance R31 is connected，And N pole with diode D8 after adjustable resistance R29, P pole is connected、The diode D7 composition that N pole is connected with the negative pole of amplifier P5；The negative pole of described amplifier P6 is connected with the outfan of amplifier P 1, and the outfan of this amplifier P6 is as the outfan adjusting filter circuit.
One many processing of circuit formula air purifier intelligent monitor system the most according to claim 2, it is characterized in that, described signal acquisition circuit includes the signal receiving circuit that input is connected with gas sensor, the bandwidth-limited circuit being connected with the outfan of signal receiving circuit with input；The outfan of described bandwidth-limited circuit is connected with single-chip microcomputer.
nullOne many processing of circuit formula air purifier intelligent monitor system the most according to claim 3，It is characterized in that，Described signal receiving circuit is by amplifier P1，Amplifier P2，Positive pole positive pole with amplifier P1 after resistance R1 is connected、The polar capacitor C1 that negative pole negative pole with amplifier P1 after resistance R2 is connected，Negative pole is connected with the outfan of amplifier P1、The polar capacitor C2 that positive pole negative pole with amplifier P1 after resistance R3 is connected，P pole is connected with the negative pole of amplifier P1、The diode D1 that N pole outfan with amplifier P1 after resistance R4 is connected，N pole is connected with the positive pole of amplifier P2、The diode D2 that P pole outfan with amplifier P1 after resistance R5 is connected，Positive pole is sequentially connected through resistance R8 P pole with diode D2 after resistance R7、The polar capacitor C3 that negative pole is connected with the outfan of amplifier P2，One end is connected with the positive pole of polar capacitor C3、The resistance R9 that the other end is connected with the positive pole of amplifier P2，And one end is connected with the P pole of diode D2、The resistance R6 composition of other end ground connection；The positive pole of described polar capacitor C1 is as the input of signal receiving circuit；The minus earth of described amplifier P2, its outfan is as the outfan of signal receiving circuit.
nullOne many processing of circuit formula air purifier intelligent monitor system the most according to claim 4，It is characterized in that，Described bandwidth-limited circuit is by amplifier P3，Amplifier P4，Audion VT1，One end is connected with the outfan of amplifier P2、The resistance R10 that the other end is connected with the base stage of audion VT1，Negative pole is connected with the negative pole of amplifier P4、The polar capacitor C4 that positive pole colelctor electrode with audion VT1 after adjustable resistance R11 is connected，One end is connected with the positive pole of polar capacitor C4、The resistance R13 that the other end is connected with audion VT1 colelctor electrode，Negative pole outfan with amplifier P3 after resistance R14 is connected、The polar capacitor C5 that positive pole emitter stage with audion VT1 after resistance R12 is connected，P pole is connected with the colelctor electrode of audion VT1、The diode D3 that N pole is connected with the negative pole of polar capacitor C5，One end is connected with the positive pole of amplifier P3、The resistance R15 that the other end is connected with the outfan of amplifier P3，And N pole is connected with the negative pole of amplifier P3、The diode D4 composition that P pole is sequentially connected through resistance R16 outfan with amplifier P4 after resistance R17；The grounded collector of described amplifier P4, its outfan is as the outfan of bandwidth-limited circuit.
One many processing of circuit formula air purifier intelligent monitor system the most according to claim 5, it is characterised in that described humidity sensor is JCJ175A humidity sensor；Described particle sensor is PPD60PV particle sensor；Described gas sensor is QM-N5 gas sensor.
One many processing of circuit formula air purifier intelligent monitor system the most according to claim 6, it is characterised in that described infrared ray sensor is TR350 infrared ray sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261530.6U CN205644206U (en) | 2016-03-31 | 2016-03-31 | Formula air purifier intelligent monitoring system is handled to multicircuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261530.6U CN205644206U (en) | 2016-03-31 | 2016-03-31 | Formula air purifier intelligent monitoring system is handled to multicircuit |
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| CN205644206U true CN205644206U (en) | 2016-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627617A (en) * | 2018-05-17 | 2018-10-09 | 合肥杜威智能科技股份有限公司 | A kind of air quality display system |
-
2016
- 2016-03-31 CN CN201620261530.6U patent/CN205644206U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627617A (en) * | 2018-05-17 | 2018-10-09 | 合肥杜威智能科技股份有限公司 | A kind of air quality display system |
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