CN205717769U - A kind of intelligent monitor system of multi-functional air purifier - Google Patents
A kind of intelligent monitor system of multi-functional air purifier Download PDFInfo
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- CN205717769U CN205717769U CN201620261878.5U CN201620261878U CN205717769U CN 205717769 U CN205717769 U CN 205717769U CN 201620261878 U CN201620261878 U CN 201620261878U CN 205717769 U CN205717769 U CN 205717769U
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Abstract
The utility model discloses the intelligent monitor system of a kind of multi-functional air purifier, including single-chip microcomputer, humidity sensor, particle sensor, buzzer, data storage, infrared ray sensor, display screen, signal acquisition circuit and the driving control circuit being all connected with single-chip microcomputer, the gas sensor being connected with signal acquisition circuit, and the air purifier being connected with driving control circuit；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.Of the present utility model being analyzed the information of the harmful substance in the air in gas sensor, humidity sensor, particle sensor, the infrared ray sensor air purifier range to monitoring and harmful gas by single-chip microcomputer is processed, achieve control air purifier to carry out automatically air being purified accurately, meanwhile, electric power resource has effectively been saved.
Description
Technical field
The utility model relates to electronic applications, specifically, be a kind of multi-functional air purifier
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 the intelligence prison of a kind of multi-functional air purifier
Ore-controlling Role.
This utility model is achieved through the following technical solutions: the intelligence prison of a kind of multi-functional air purifier
Ore-controlling Role, including single-chip microcomputer, the humidity sensor being all connected with single-chip microcomputer, particle sensor, buzzer,
Data storage, infrared ray sensor, display screen, signal acquisition circuit and driving control circuit, with signal
The gas sensor that Acquisition Circuit is connected, and the air purifier being connected with driving control 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 R18 with amplifier
The polar capacitor C6 that the positive pole of P1 is connected, negative pole negative pole with amplifier P1 after resistance R19 is connected,
Negative pole is connected with the outfan of amplifier P1, positive pole negative pole with amplifier P1 after resistance R20 is connected
Polar capacitor C7, the P pole connect is connected with the negative pole of amplifier P1, N pole after resistance R21 with amplification
Diode D5, the N pole that the outfan of device P1 is connected is connected with the positive pole of amplifier P2, P pole is through electricity
The diode D6 being connected with the outfan of amplifier P1 after resistance R22, positive pole is sequentially through resistance R25 and electricity
Be connected with the P pole of diode D6 after resistance R24, polarity that negative pole is connected with the outfan of amplifier P2
Electric capacity C8, one end is connected with the positive pole of polar capacitor C8, the other end is connected with the positive pole of amplifier P2
Resistance R26, and one end is connected with the P pole of diode D6, the resistance R23 of the other end ground connection composition；
The positive pole of described polar capacitor C6 is as the input of signal receiving circuit；The negative pole of described amplifier P2 connects
Ground, its outfan is as the outfan of signal receiving circuit.
Described bandwidth-limited circuit is by amplifier P3, amplifier P4, audion VT3, one end and amplifier
The resistance R27 that the outfan of P2 is connected, the other end is connected with the base stage of audion VT3, negative pole with put
The negative pole of big device P4 is connected, positive pole colelctor electrode with audion VT3 after adjustable resistance R28 is connected
Polar capacitor C9, one end is connected with the positive pole of polar capacitor C9, the other end and audion VT3 current collection
The resistance R30 that pole is connected, negative pole outfan with amplifier P3 after resistance R31 is connected, positive pole warp
Polar capacitor C10, the P pole that after resistance R29, emitter stage with audion VT3 is connected and audion VT3
The diode D7 that colelctor electrode is connected, N pole is connected with the negative pole of polar capacitor C10, one end and amplification
The resistance R32 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 R33 and resistance R34 with amplifier P4
Outfan be connected diode D8 composition；The grounded collector of described amplifier P4, its outfan is made
Outfan for bandwidth-limited circuit.
Described driving control circuit includes the current detecting drive circuit that input is connected with single-chip microcomputer, and defeated
Go out the current control circuit that end is connected with the outfan of current detecting drive circuit；Described current control circuit
Outfan be connected with air purifier.
Described current detecting drive circuit is by driving chip U1, audion VT1, audion VT2, one end
Be connected with the colelctor electrode of audion VT1, the other end is collectively forming electricity with the VCC pin of driving chip U1
Resistance R1, the P pole of input of stream detection drive circuit after resistance R2 with the colelctor electrode of audion VT1
Be connected, diode D1 that N pole is connected with the colelctor electrode of audion VT2, negative pole after resistance R3 with
The polar capacitor C1 that the base stage of audion VT2 is connected, positive pole is connected with the emitter stage of audion VT1,
N pole is connected with the base stage of audion VT2, P pole after inductance L with the RIVE pin of driving chip U1
The diode D2 being connected, negative pole emitter stage with audion VT2 after resistance R5 is connected, positive pole warp
The polar capacitor C2 being connected with the SE pin of driving chip U1 after resistance R6, negative pole is after resistance R9
Be connected with the negative pole of polar capacitor C2, positive pole sequentially after resistance R8 and resistance R7 with driving chip U1
The polar capacitor C3 that is connected of SE pin, and N pole is connected with the negative pole of polar capacitor C2, P pole
The diode D3 composition that colelctor electrode with audion VT2 is connected after resistance R4；Described driving chip
The VCC pin of U1 is connected with STDN pin, and its RIVE pin is connected with the base stage of audion VT1
Connect, its GND pin ground connection；The FB pin of described driving chip U1 is with the colelctor electrode of audion VT2 altogether
With the outfan forming current detecting drive circuit.
Described current control circuit is by voltage stabilizing chip U2, and positive pole is sequentially through resistance R11 and adjustable resistance R10
Be connected with the FB pin of driving chip U1 afterwards, negative pole after resistance R13 with the OUT of voltage stabilizing chip U2
Polar capacitor C4, the N pole that pin is connected positive pole with polar capacitor C4 after resistance R12 is connected, P
The diode D4 that pole SENS+ pin with voltage stabilizing chip U2 after resistance R14 is connected, positive pole sequentially warp
Resistance R17 is connected with P pole with diode D4 after resistance R15, negative pole is after light emitting diode VD
The polar capacitor C5 being connected with the SENS-pin of voltage stabilizing chip U2, and one end and resistance R17 and resistance
The resistance R16 composition that the junction point of R15 is connected, the other end is connected with the colelctor electrode of audion VT2；
The OUT pin ground connection of described voltage stabilizing chip U2, its SENS-pin and OUT pin are collectively forming electric current
The outfan of control 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；Described driving chip U1 is
The integrated chip of ZXSC400；Described voltage stabilizing chip U2 is the integrated chip of ZXCT1009.
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) 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.
(3) driving control circuit of the present utility model can prevent the moment of single-chip microcomputer output electric current from producing excessive
Wave galvanization, meanwhile, the electric current after processing can be adjusted by this circuit, exports stable driving after adjustment
Electric current, thus effectively raise the stability of air purifier work.
(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 driving control circuit of the present utility model.
Fig. 3 is the electrical block diagram of signal acquisition circuit 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 humidity sensor that is all connected with single-chip microcomputer,
Particle sensor, buzzer, data storage, infrared ray sensor, display screen, signal acquisition circuit and
Drive control circuit, the gas sensor being connected with signal acquisition circuit, and with drive control circuit phase
The air purifier connected.Wherein, described driving control circuit is as in figure 2 it is shown, it includes that current detecting is driven
Galvanic electricity road and current control circuit；The outfan of described current control circuit is connected with air purifier.
For guaranteeing reliability service of the present utility model, described single-chip microcomputer preferentially have employed FM8PE59A monolithic
Machine.The IOA0 pin of this FM8PE59A single-chip microcomputer is connected with humidity sensor, IOA1 pin and granule
Sensor 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 after receiving this information and controls electric current through driving control circuit transmission, this driving control circuit
The moment that can prevent single-chip microcomputer output electric current produces excessive unrestrained galvanization, meanwhile, after this circuit can be to processing
Electric current be adjusted, export stable driving electric current after adjustment to air purifier, it is ensured that air cleaning
The work that device is stable, i.e. effectively eliminates the harmful substances such as the PM2.5 in air, dust, abnormal flavour, methanol.
When infrared ray Sensor monitoring to people leaves, single-chip microcomputer receive after this information then can time-delay closing air clean
Change device, to prevent people when the short time enters repeatedly, cause air purifier ceaselessly to open and damage air
Depurator.Data storage of the present utility model the most preferentially have employed the VNXe3200 data of stable performance and deposits
Reservoir, the internal memory of this data storage contains the normal value of the harmful substance contained by air and harmful gas, should
Harmful substance and the normal value of harmful gas contained by air are 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 signal of telecommunication transmission
To single-chip microcomputer.Having in the air that single-chip microcomputer obtains after being then analyzed all signals of telecommunication received processing
The numerical value of pest matter and harmful gas and the internal memory of data storage contain the harmful substance contained by air and are harmful to
The normal value of gas is compared, the air harmful substance that receives when single-chip microcomputer and the numerical value of harmful gas with
The internal memory of data storage contain the harmful substance contained by air consistent with the normal value of harmful gas time, monolithic
Machine controls air purifier and quits work.Otherwise, Single-chip Controlling air purifier is started working, to air
Purify, in order to make the number of the harmful substance in the air in air purifier range and harmful gas
Value 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 driving control circuit includes current detecting drive circuit and current control circuit；
Described current detecting drive circuit is by driving chip U1, audion VT1, audion VT2, inductance L, electricity
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, diode D2,
And diode D3 composition.
During connection, one end of resistance R1 is connected with the colelctor electrode of audion VT1, the other end with
The TXD+ pin of FM8PE59A single-chip microcomputer is connected.The P pole of diode D1 after resistance R2 with three poles
The colelctor electrode of pipe VT1 is connected, N pole is connected with the colelctor electrode of audion VT2.Polar capacitor C1's
Negative pole base stage with audion VT2 after resistance R3 is connected, the emitter stage phase of positive pole and audion VT1
Connect.The N pole of diode D2 is connected with the base stage of audion VT2, P pole after inductance L with driving
The RIVE pin of chip U1 is connected.
Wherein, the negative pole of polar capacitor C2 emitter stage with audion VT2 after resistance R5 be connected,
Positive pole SE pin with driving chip U1 after resistance R6 is connected.The negative pole of polar capacitor C3 is through resistance
After R9 the negative pole with polar capacitor C2 be connected, positive pole sequentially after resistance R8 and resistance R7 with drive core
The SE pin of sheet U1 is connected.The N pole of diode D3 is connected with the negative pole of polar capacitor C2, P pole
After resistance R4, the colelctor electrode with audion VT2 is connected.
The VCC pin of described driving chip U1 is connected with STDN pin, its RIVE pin and three poles
The base stage of pipe VT1 is connected, its GND pin ground connection；The FB pin of described driving chip U1 and three poles
The colelctor electrode of pipe VT2 is collectively forming the outfan of current detecting drive circuit；The VCC of described driving chip U1
Pin is connected with the TXD-pin of FM8PE59A single-chip microcomputer.
Further, described current control circuit by voltage stabilizing chip U2, adjustable resistance R10, resistance R11,
Resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, polar capacitor
C4, polar capacitor C5, light emitting diode VD, and diode D4 form.
During connection, the positive pole of polar capacitor C4 sequentially after resistance R11 and adjustable resistance R10 with drive core
The FB pin of sheet U1 is connected, negative pole OUT pin with voltage stabilizing chip U2 after resistance R13 is connected.
The N pole of diode D4 positive pole with polar capacitor C4 after resistance R12 is connected, P pole is through resistance R14
SENS+ pin with voltage stabilizing chip U2 is connected afterwards.
Wherein, the positive pole of polar capacitor C5 sequentially after resistance R17 and resistance R15 with diode D4's
P pole is connected, and the negative pole of described polar capacitor C5 is connected with the positive pole of light emitting diode VD, described
The negative pole of optical diode VD is connected with the SENS-pin of voltage stabilizing chip U2.One end of resistance R16 and resistance
R17 is connected with the junction point of resistance R15, the other end is connected with the colelctor electrode of audion VT2.Described
The OUT pin ground connection of voltage stabilizing chip U2, its SENS-pin and OUT pin are collectively forming electric current control
The outfan of circuit is also connected with air purifier.
During operation, drive in control circuit by driving chip U1 and adjustable resistance R10 and polar capacitor C2
The current detecting drive circuit formed with audion VT1 can prevent the moment of single-chip microcomputer output electric current from producing excessive
Unrestrained galvanization.Meanwhile, by voltage stabilizing chip U2 and polar capacitor C5 and two poles in this driving control circuit
Electric current after processing can be adjusted and export stable driving electric current by the current control circuit that pipe D4 is formed,
Now, light emitting diode VD is lit as the display lamp of circuit output current.This circuit effectively improves
The stability of air purifier work.For preferably implementing this utility model, described driving chip U1 is preferential
The integrated chip of ZXSC400 that have employed stable performance realizes；Described voltage stabilizing chip U2 the most preferentially have employed
The integrated chip of ZXCT1009 realizes.
As it is shown on figure 3, described signal acquisition circuit includes signal receiving circuit and bandwidth-limited circuit；Described
Signal receiving circuit is by amplifier P1, amplifier P2, resistance R18, resistance R19, resistance R20, resistance
R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, polar capacitor C6, pole
Property electric capacity C7, polar capacitor C8, diode D5, and diode D6 composition.
During connection, the positive pole of polar capacitor C6 positive pole with amplifier P1 after resistance R18 is connected, negative
Pole negative pole with amplifier P1 after resistance R19 is connected.The negative pole of polar capacitor C7 and amplifier P1
Outfan be connected, positive pole negative pole with amplifier P1 after resistance R20 is connected.Diode D5's
P pole is connected with the negative pole of amplifier P1, N pole outfan with amplifier P1 after resistance R21 is connected
Connect.The N pole of diode D6 is connected with the positive pole of amplifier P2, P pole after resistance R22 with amplifier
The outfan of P1 is connected.
Wherein, the positive pole of polar capacitor C8 sequentially after resistance R25 and resistance R24 with diode D6's
P pole is connected, negative pole is connected with the outfan of amplifier P2.One end of resistance R26 and polar capacitor
The positive pole of C8 is connected, the other end is connected with the positive pole of amplifier P2.One end of resistance R23 and two poles
The P pole of pipe D6 is connected, other end ground connection.The positive pole of described polar capacitor C6 is as signal receiving circuit
Input；The minus earth of described amplifier P2, its outfan as signal receiving circuit outfan also
It is connected with bandwidth-limited circuit.
Further, described bandwidth-limited circuit is by amplifier P3, amplifier P4, audion VT3, electricity
Resistance R27, adjustable resistance R28, resistance R29, resistance R30, resistance R31, resistance R32, resistance R33,
Resistance R34, polar capacitor C9, polar capacitor C10, diode D7, and diode D8 form.
During connection, one end of resistance R27 is connected with the outfan of amplifier P2, the other end and audion
The base stage of VT3 is connected.The negative pole of polar capacitor C9 is connected with the negative pole of amplifier P4, positive pole warp can
It is connected with the colelctor electrode of audion VT3 after adjusting resistance R28.One end of resistance R30 and polar capacitor C9
Positive pole be connected, the other end is connected with audion VT3 colelctor electrode.The negative pole of polar capacitor C10 is through electricity
Resistance R31 after be connected with the outfan of amplifier P3, positive pole after resistance R29 with audion VT3 send out
Emitter-base bandgap grading is connected.
Meanwhile, the P pole of diode D7 be connected with the colelctor electrode of audion VT3, N pole and polar capacitor
The negative pole of C10 is connected.One end of resistance R32 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 D8 is connected with the negative pole of amplifier P3, P pole sequentially
It is connected through resistance R33 outfan with amplifier P4 after resistance R34.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.
According to above-described embodiment, can well realize this utility model.
Claims (7)
1. the intelligent monitor system of a multi-functional air purifier, it is characterized in that, including single-chip microcomputer, humidity sensor, particle sensor, buzzer, data storage, infrared ray sensor, display screen, signal acquisition circuit and the driving control circuit being all connected with single-chip microcomputer, the gas sensor being connected with signal acquisition circuit, and the air purifier being connected with driving control circuit；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；Described driving control circuit includes the current detecting drive circuit that input is connected, the current control circuit being connected with the outfan of outfan with current detecting drive circuit with single-chip microcomputer；The outfan of described current control circuit is connected with air purifier；The outfan of described bandwidth-limited circuit is connected with single-chip microcomputer；nullDescribed signal receiving circuit is by amplifier P1，Amplifier P2，Positive pole positive pole with amplifier P1 after resistance R18 is connected、The polar capacitor C6 that negative pole negative pole with amplifier P1 after resistance R19 is connected，Negative pole is connected with the outfan of amplifier P1、The polar capacitor C7 that positive pole negative pole with amplifier P1 after resistance R20 is connected，P pole is connected with the negative pole of amplifier P1、The diode D5 that N pole outfan with amplifier P1 after resistance R21 is connected，N pole is connected with the positive pole of amplifier P2、The diode D6 that P pole outfan with amplifier P1 after resistance R22 is connected，Positive pole is sequentially connected through resistance R25 P pole with diode D6 after resistance R24、The polar capacitor C8 that negative pole is connected with the outfan of amplifier P2，One end is connected with the positive pole of polar capacitor C8、The resistance R26 that the other end is connected with the positive pole of amplifier P2，And one end is connected with the P pole of diode D6、The resistance R23 composition of other end ground connection；The positive pole of described polar capacitor C6 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.
nullThe intelligent monitor system of a kind of multi-functional air purifier the most according to claim 1，It is characterized in that，Described bandwidth-limited circuit is by amplifier P3，Amplifier P4，Audion VT3，One end is connected with the outfan of amplifier P2、The resistance R27 that the other end is connected with the base stage of audion VT3，Negative pole is connected with the negative pole of amplifier P4、The polar capacitor C9 that positive pole colelctor electrode with audion VT3 after adjustable resistance R28 is connected，One end is connected with the positive pole of polar capacitor C9、The resistance R30 that the other end is connected with audion VT3 colelctor electrode，Negative pole outfan with amplifier P3 after resistance R31 is connected、The polar capacitor C10 that positive pole emitter stage with audion VT3 after resistance R29 is connected，P pole is connected with the colelctor electrode of audion VT3、The diode D7 that N pole is connected with the negative pole of polar capacitor C10，One end is connected with the positive pole of amplifier P3、The resistance R32 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 D8 composition that P pole is sequentially connected through resistance R33 outfan with amplifier P4 after resistance R34；The grounded collector of described amplifier P4, its outfan is as the outfan of bandwidth-limited circuit.
nullThe intelligent monitor system of a kind of multi-functional air purifier the most according to claim 2，It is characterized in that，Described current detecting drive circuit is by driving chip U1，Audion VT1，Audion VT2，One end is connected with the colelctor electrode of audion VT1、The VCC pin of the other end and driving chip U1 is collectively forming the resistance R1 of the input of current detecting drive circuit，P pole colelctor electrode with audion VT1 after resistance R2 is connected、The diode D1 that N pole is connected with the colelctor electrode of audion VT2，Negative pole base stage with audion VT2 after resistance R3 is connected、The polar capacitor C1 that positive pole is connected with the emitter stage of audion VT1，N pole is connected with the base stage of audion VT2、The diode D2 that P pole is connected with the RIVE pin of driving chip U1 after inductance L，Negative pole emitter stage with audion VT2 after resistance R5 is connected、The polar capacitor C2 that positive pole is connected with the SE pin of driving chip U1 after resistance R6，Negative pole negative pole with polar capacitor C2 after resistance R9 is connected、The polar capacitor C3 that positive pole is sequentially connected with the SE pin of driving chip U1 after resistance R7 through resistance R8，And N pole is connected with the negative pole of polar capacitor C2、The diode D3 composition that P pole colelctor electrode with audion VT2 after resistance R4 is connected；The VCC pin of described driving chip U1 is connected with STDN pin, and its RIVE pin is connected with the base stage of audion VT1, its GND pin ground connection；The FB pin of described driving chip U1 and the colelctor electrode of audion VT2 are collectively forming the outfan of current detecting drive circuit.
nullThe intelligent monitor system of a kind of multi-functional air purifier the most according to claim 3，It is characterized in that，Described current control circuit is by voltage stabilizing chip U2，Positive pole is sequentially connected through resistance R11 FB pin with driving chip U1 after adjustable resistance R10、The polar capacitor C4 that negative pole OUT pin with voltage stabilizing chip U2 after resistance R13 is connected，N pole positive pole with polar capacitor C4 after resistance R12 is connected、The diode D4 that P pole SENS+ pin with voltage stabilizing chip U2 after resistance R14 is connected，Positive pole is sequentially connected through resistance R17 P pole with diode D4 after resistance R15、The polar capacitor C5 that negative pole SENS-pin with voltage stabilizing chip U2 after light emitting diode VD is connected，And one end is connected with the junction point of resistance R17 with resistance R15、The resistance R16 composition that the other end is connected with the colelctor electrode of audion VT2；The OUT pin ground connection of described voltage stabilizing chip U2, its SENS-pin and OUT pin are collectively forming the outfan of current control circuit.
The intelligent monitor system of a kind of multi-functional air purifier the most according to claim 4, 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.
The intelligent monitor system of a kind of multi-functional air purifier the most according to claim 5, it is characterised in that described infrared ray sensor is TR350 infrared ray sensor.
The intelligent monitor system of a kind of multi-functional air purifier the most according to claim 6, it is characterised in that described driving chip U1 is the integrated chip of ZXSC400；Described voltage stabilizing chip U2 is the integrated chip of ZXCT1009.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Xiuyu Inventor before: Li Kao |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171215 Address after: 510000 science Avenue 112 (A1 and 305 room) of Guangzhou high tech Industrial Development Zone, Guangzhou City, Guangdong Province Patentee after: Guangzhou haon Electronics Technology Co. Ltd. Address before: 611200 Chongzhou Sichuan Economic Development Zone Youth (College) Venture Park Patentee before: CHENGDU BOTAI TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180331 |