CN207688360U - The control circuit of humidifier - Google Patents
The control circuit of humidifier Download PDFInfo
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- CN207688360U CN207688360U CN201820006450.5U CN201820006450U CN207688360U CN 207688360 U CN207688360 U CN 207688360U CN 201820006450 U CN201820006450 U CN 201820006450U CN 207688360 U CN207688360 U CN 207688360U
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model is related to a kind of control circuits of humidifier, including governor circuit, humidifying atomizer, solenoid valve, ptc heater, wind turbine, atomization quantity gear conversion circuit, high frequency to be atomized driving circuit, driving circuit for electromagnetic valve, ptc heater driving circuit, fan drive circuit, lower header water level detection circuit, upper water box water level detection circuit, function LED display circuit, touch key-press, I/O port driving circuit and be connected to 200V to the Width funtion isolated power supply management circuit of 260V alternating currents；Thereby, dry combustion method is prevented in the case of complete water shortage, meanwhile, it can be with alert and automatic watering when lacking a part of water, intelligence degree is high, highly practical；Moreover, effectively carrying out air wetting by the way of atomizing humidifying performance, convenience is improved, will not be caused uncomfortable；And by touch key-press, wear problem, the service life that mechanical key will not occur are longer, reduce later maintenance cost.
Description
Technical field
The utility model is related to a kind of humidifier fields, refer in particular to a kind of control circuit of humidifier.
Background technology
Currently, the form of existing humidifier generally use is：First by water evaporation, then spray.This humidification form
It is dangerous, the effect of air wetting can not be effectively played, usually along with a large amount of heat during humidification, in sweltering heat
Summer can cause that user's is uncomfortable；Moreover, the operation button of existing humidifier is mechanical part, and it is easy to wear, it uses
Short life, later maintenance cost are high；In addition, humidifier intelligence degree is low, practicability is weak；When lacking a part of water,
It is unable to automatic watering；When complete water shortage, water cannot be added in time, lead to that safety accident occurs.
Therefore, in the utility model patent application, applicant has studied intensively a kind of control circuit of humidifier to solve
The above problem.
Utility model content
The utility model is existing insufficient for the above-mentioned prior art, and main purpose is to provide a kind of control of humidifier
Circuit prevents dry combustion method in the case of complete water shortage, meanwhile, when lacking a part of water can with alert and
Automatic watering, intelligence degree is high, highly practical；Moreover, effectively carrying out air wetting by the way of atomizing humidifying performance, improve just
Profit will not cause uncomfortable；And by touch key-press, wear problem, the service life that mechanical key will not occur are longer,
Reduce later maintenance cost.
For the purpose for realizing above-mentioned, the utility model adopts the following technical scheme that：
A kind of control circuit of humidifier, including governor circuit, humidifying atomizer, solenoid valve, ptc heater, wind turbine, mist
Change amount gear conversion circuit, high frequency atomization driving circuit, driving circuit for electromagnetic valve, ptc heater driving circuit, wind turbine driving electricity
Road, lower header water level detection circuit, upper water box water level detection circuit, function LED display circuit, touch key-press, I/O port driving electricity
Road and the Width funtion isolated power supply for being connected to 200V to 260V alternating currents manage circuit；
The Width funtion isolated power supply management circuit includes current rectifying and wave filtering circuit, 36V conversion circuits, 12V conversion circuits, 5V
Conversion circuit and 200V is connected to the overcurrent-overvoltage protecting circuit of 260V alternating currents, the overcurrent-overvoltage protecting circuit connection is whole
Filter circuit is flowed, the current rectifying and wave filtering circuit is separately connected 36V conversion circuits and ptc heater, the 36V conversion circuits difference
Connect atomization quantity gear conversion circuit, high frequency atomization driving circuit, solenoid valve and 12V conversion circuits, the 12V conversion circuits point
Not Lian Jie 5V conversion circuits and wind turbine, the 5V conversion circuits are separately connected governor circuit, lower header water level detection circuit, upper water
Case water level detection circuit, I/O port driving circuit and function LED display circuit；
The governor circuit be separately connected I/O port driving circuit, function LED display circuit, lower header water level detection circuit and
Upper water box water level detection circuit；The I/O port driving circuit is separately connected atomization quantity gear conversion circuit, ptc heater driving electricity
Road, driving circuit for electromagnetic valve, fan drive circuit, lower header water level detection circuit and upper water box water level detection circuit；It is described
Lower header water level detection circuit includes water level detection circuit, aforementioned governor circuit under water level detection circuit and lower header on lower header
Water level detection circuit under water level detection circuit and lower header is separately connected on lower header；Aforementioned atomization quantity gear conversion circuit connection
High frequency is atomized driving circuit, and aforementioned high frequency atomization driving circuit connects humidifying atomizer, and aforementioned fan drive circuit connects wind turbine,
Aforementioned ptc heater driving circuit connects ptc heater, and the driving circuit for electromagnetic valve connects solenoid valve, the touch key-press
It is aforementioned including power supply touch key-press K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing touch key-press K4
Governor circuit is separately connected power supply touch key-press K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing and touches
Touch button K4.
As a preferred embodiment, the governor circuit include main control chip U4, polar capacitor C6, capacitance C2, capacitance C1,
Resistance R2, resistance R3, resistance R4 and resistance R1, the main control chip U4 have master control pin 1 to master control pin 20, and master control is drawn
Foot 1 is by resistance R9 connection upper water box water level detection circuits, and master control pin 2 is by the polar regions capacitance C7, water level on aforementioned lower header
For detection circuit by resistance R5 connection master controls pin 2, master control pin 3 connects water level detection circuit on lower header, master control pin 5,
Master control pin 15, master control pin 16 and master control pin 17 are separately connected I/O port driving circuit, and master control pin 6 connects under lower header
Water level detection circuit, master control pin 7 connect upper water box water level detection circuit, and master control pin 8 connects the anode of polar capacitor C6, pole
Property capacitance C6 cathode ground connection, capacitance C2 is parallel to the positive and negative electrode of polar capacitor C6, and master control pin 9 is grounded, and master control pin 10 is logical
Cross capacitance C1 ground connection；Master control pin 18, master control pin 19 and master control pin 20 are separately connected function LED display circuit, master control
For pin 11 by resistance R4 connection power supply touch key-press K1, master control pin 12 is main by resistance R3 connections sleep touch key-press K2
Pin 13 is controlled by resistance R2 connection atomization quantity gear touch key-press K3, master control pin 14 is touched by resistance R1 connection timings and pressed
Key K4.
As a preferred embodiment, the I/O port driving circuit includes the second chip U2, and the second chip U2 has the
For two pins 1 to second pin 16, second pin 2 connects fan drive circuit, and second pin 3 connects driving circuit for electromagnetic valve, the
Two pins 4, second pin 5, second pin 6 and second pin 7 are separately connected atomization quantity gear conversion circuit, and second pin 8 connects
Ground, aforementioned 5V conversion circuits connect second pin 16, and second pin 16 is grounded by capacitance C2, and the connection of second pin 10 second is drawn
Foot 16, second pin 11 connect master control pin 15, and second pin 12 connects master control pin 16, and second pin 13 connects master control pin
5, second pin 14 connects master control pin 17, and second pin 15 connects ptc heater driving circuit.
As a preferred embodiment, the governor circuit is connected with buzzer circuit, and the buzzer circuit includes buzzing
Device BZ1, triode Q21, resistance R8, resistance R6 and resistance R7, aforementioned master control pin 4 pass through resistance R6 connecting triodes Q21
Base stage, the base stage of triode Q21 is grounded by resistance R7, and the emitter ground connection of triode Q2, the collector of triode Q21 connects
One end of buzzer BZ1, the output end of the other end connection 5V conversion circuits of the buzzer BZ1 are connect, resistance R8 is parallel to bee
The both ends of ring device BZ1.
As a preferred embodiment, water level detection circuit includes lower water level detecting chip U6, the first electricity under the lower header
Source interface POWER, resistance R55, resistance R52, resistance R60, triode Q11, capacitance C17, capacitance C17 and capacitance C16, it is described
There is lower water level detecting chip U6 the first detection pin 1 to the first to detect pin 6, the first inspection of output end connection of 5V conversion circuits
Pin 1 is surveyed, the first detection pin 1 is grounded by capacitance C15, and the first detection pin 3 connects bottom tablet M1, and the first detection is drawn
Foot 4 connects capacitance C17, capacitance C17 series capacitances C16 ground connection, and the first detection pin 5 is grounded, and the base stage of triode Q11 passes through electricity
It hinders R55 connections first and detects pin 6, the first detection output end of the pin 6 by resistance R52 connection 5V conversion circuits, 5V conversions
The output end of circuit passes through the collector of resistance R60 connecting triodes Q11, the emitter ground connection of triode Q11, triode Q11
Collector connect the first power interface POWER；
First power interface POWER has first interface pin 1 to first interface pin 12, the output end of 5V conversion circuits
First interface pin 1 is connected, first interface pin 2 is grounded, and first interface pin 3 connects water level detection circuit on lower header, the
One interface pin 4 is separately connected the collector and master control pin 6 of triode Q11, and first interface pin 5 connects second pin 15,
First interface pin 6 connects second pin 2, and first interface pin 7 connects second pin 3, and the connection of first interface pin 8 second is drawn
Foot 4, first interface pin 9 connect second pin 5, and first interface pin 10 connects second pin 6, and first interface pin 11 connects
Second pin 7, first interface pin 12 pass through resistance R5 connection master controls pin 2.
As a preferred embodiment, water level detection circuit includes upper water level detecting chip U11, water level inspection on the lower header
Survey interface SW, resistance R111, resistance R31, resistance R21, triode Q14, capacitance C11, capacitance C21, capacitance C31, capacitance C41 with
And there is the second detection pin 1 to the second to detect pin 6 by capacitance C16, the upper water level detecting chip U11,5V conversion circuits
Output end connection the second detection pin 1, the second detection pin 1 connect the anode of polar capacitor C11, the cathode of polar capacitor C11
Ground connection, the positive and negative electrode of capacitance C21 parallel connection polar capacitors C11, the second detection pin 3 connect side tablet M2, and the second detection is drawn
Foot 4 is grounded by capacitance C31, capacitance C31 series capacitances C41 ground connection, the second detection pin 5, and the base stage of triode Q14 passes through electricity
It hinders R111 connections second and detects pin 6, the second detection output end of the pin 6 by resistance R21 connection 5V conversion circuits, 5V conversions
The output end of circuit passes through the collector of resistance R31 connecting triodes Q14, the emitter ground connection of triode Q14, triode Q14
Collector connection water level detecting interface SW；
The first water level detecting interface SW has second interface pin 1, second interface pin 2 and second interface pin 3,
Second interface pin 1 is separately connected the collector of master control pin 3 and triode Q14, and second interface pin 2 is grounded, second interface
Pin 3 connects the output end of 5V conversion circuits.
The utility model has clear advantage and advantageous effect compared with prior art, specifically：Pass through upper water box
Water level detection circuit and lower header water level detection circuit, on the one hand, dry combustion method is prevented in the case of complete water shortage, meanwhile, it is lacking
Can be with alert and automatic watering when few a part of water, intelligence degree is high, highly practical；Moreover, passing through wind
Machine and humidifying atomizer effectively carry out air wetting by the way of atomizing humidifying performance, improve convenience, will not cause uncomfortable；
And by touch key-press, easy to use, wear problem, the service life that mechanical key will not occur are longer, reduce the later stage
Maintenance cost.
For more clearly illustrate the present invention structure feature and effect, come below in conjunction with the accompanying drawings with specific embodiment to its into
Row is described in detail.
Description of the drawings
Fig. 1 is the control principle connection block diagram of the embodiment of the utility model；
Fig. 2 is the Width funtion isolated power supply management circuit of the embodiment of the utility model for being electrically connected block diagram；
Fig. 3 is the Width funtion isolated power supply management detailed power supply the principle figure of circuit of the embodiment of the utility model；
Fig. 4 is the governor circuit schematic diagram of the embodiment of the utility model；
Fig. 5 is the I/O port driver circuit schematic diagram of the embodiment of the utility model；
Fig. 6 is the lower header water level detection circuit schematic diagram of the embodiment of the utility model；
Fig. 7 is the atomization quantity gear conversion circuit connection high frequency atomization driver circuit schematic diagram of the embodiment of the utility model；
Fig. 8 is the upper water box water level detection circuit schematic diagram of the embodiment of the utility model；
Fig. 9 is the buzzer circuit schematic diagram of the embodiment of the utility model；
Figure 10 is the function LED display circuit schematic diagram of the embodiment of the utility model.
Drawing reference numeral explanation：
10, governor circuit 20, atomization quantity gear conversion circuit
21, high frequency atomization driving circuit 22, humidifying atomizer
30, driving circuit for electromagnetic valve 31, solenoid valve
40, ptc heater driving circuit 41, ptc heater
50, fan drive circuit 51, wind turbine
60, lower header water level detection circuit 61, water level detection circuit on lower header
62, water level detection circuit 70, upper water box water level detection circuit under lower header
80, function LED display circuit 90, touch key-press
100, I/O port driving circuit 110, Width funtion isolated power supply manage circuit
111, overcurrent-overvoltage protecting circuit 112, current rectifying and wave filtering circuit
113,36V conversion circuits 114,12V conversion circuits
115,5V conversion circuits 120, buzzer circuit
130,200V is to 260V electric mains.
Specific implementation mode
The utility model is further described with specific implementation mode below in conjunction with the accompanying drawings.
As shown in Figures 1 to 10, a kind of control circuit of humidifier, including governor circuit 10, humidifying atomizer 22, electromagnetism
Valve 31, ptc heater 41, wind turbine 51, atomization quantity gear conversion circuit 20, high frequency atomization driving circuit 21, solenoid-driven electricity
Road 30, ptc heater driving circuit 40, fan drive circuit 50, lower header water level detection circuit 60, upper water box water level detecting electricity
Road 70, function LED display circuit 80, touch key-press 90, I/O port driving circuit 100 and 200V is connected to 260V alternating currents 130
Width funtion isolated power supply manage circuit 110, wherein：
As shown in Fig. 2, the Width funtion isolated power supply management circuit 110 includes current rectifying and wave filtering circuit 112,36V conversion electricity
Road 113,12V conversion circuits 114,5V conversion circuits 115 and be connected to 200V to 260V alternating currents 130 over-current over-voltage protection electricity
Road 111, the overcurrent-overvoltage protecting circuit 111 connect current rectifying and wave filtering circuit 112, and the current rectifying and wave filtering circuit 112 is separately connected
36V conversion circuits 113 and ptc heater 41, the 36V conversion circuits 113 are separately connected atomization quantity gear conversion circuit 20, height
Frequency atomization driving circuit 21, solenoid valve 31 and 12V conversion circuits 114, the 12V conversion circuits 114 are separately connected 5V conversion electricity
Road 115 and wind turbine 51, the 5V conversion circuits 115 are separately connected governor circuit 10, lower header water level detection circuit 60, upper water box
Water level detection circuit 70, ptc heater driving circuit 40, I/O port driving circuit 100 and function LED display circuit 80；
In the present embodiment, 200V to 260V electric mains 130 through fuse F1 in overcurrent-overvoltage protecting circuit 111, pressure
After quick resistance TVS1, then in rectified filter circuit 112 after capacitance CX1, inductance L11, rectifier bridge DB1, capacitance C13, then pass through
Two generation 36V conversion circuits 113 are formed by chip U111, triode Q111, transformer T1 etc. and are converted to 36V direct currents, 36V direct currents supply
Supply electricity to atomization quantity gear conversion circuit 20, high frequency atomization driving circuit 21, solenoid valve 31；36V direct currents via by diode D1 and
12 V conversion circuits of the compositions such as transformer T1 export 12V DC, 12V DC power supply fan 51；12V DC is via chip
The 5V conversion circuits 115 of the compositions such as U4, inductance L2 export 5V direct currents, and 5V direct current supplys are examined to governor circuit 10, lower header water level
Slowdown monitoring circuit 60, upper water box water level detection circuit 70, I/O port driving circuit 100 and function LED display circuit 80；
As shown in fig. 7, atomization quantity gear conversion circuit 20 includes the elements such as triode Q10, triode Q6 and triode Q8,
The output of I/O port driving circuit 100 control signal adjusts output amplitude through triode Q6 to triode Q10 switching different stalls；It is high
The composition capacitance three-point type high-frequency oscillating circuits such as crystal oscillator TD, inductance L3 and capacitance C5 in frequency atomization driving circuit 21, in crystal oscillator TD
Generate high-frequency vibration, precipitation atomization.
The governor circuit 10 is separately connected I/O port driving circuit 100, function LED display circuit 80, the inspection of lower header water level
Slowdown monitoring circuit 60 and upper water box water level detection circuit 70；The touch key-press 90 includes power supply touch key-press K1, sleep touch key-press
K2, atomization quantity gear touch key-press K3 and timing touch key-press K4, aforementioned governor circuit 10 are separately connected power supply touch key-press
K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing touch key-press K4；
As shown in figure 4, in the present embodiment, the governor circuit 10 includes main control chip U4, polar capacitor C6, capacitance
There is master control pin 1 to master control to draw by C2, capacitance C1, resistance R2, resistance R3, resistance R4 and resistance R1, the main control chip U4
Foot 20, for master control pin 1 by resistance R9 connection upper water boxs water level detection circuit 70, master control pin 2 is aforementioned by the polar regions capacitance C7
For water level detection circuit 61 by resistance R5 connection master controls pin 2, master control pin 3 connects water level detecting electricity on lower header on lower header
Road 61, master control pin 5, master control pin 15, master control pin 16 and master control pin 17 are separately connected I/O port driving circuit 100, main
It controls pin 6 and connects water level detection circuit 62 under lower header, master control pin 7 connects upper water box water level detection circuit 70, master control pin 8
The anode of polar capacitor C6 is connected, the cathode ground connection of polar capacitor C6, capacitance C2 is parallel to the positive and negative electrode of polar capacitor C6, main
It controls pin 9 to be grounded, master control pin 10 is grounded by capacitance C1；Master control pin 18, master control pin 19 and master control pin 20 are distinguished
Linkage function LED display circuit 80, master control pin 11 pass through electricity by resistance R4 connection power supply touch key-press K1, master control pin 12
R3 connections sleep touch key-press K2 is hindered, master control pin 13 passes through resistance R2 connection atomization quantity gear touch key-press K3, master control pin
14 pass through resistance R1 connection timing touch key-press K4；
In the present embodiment, humidifier is given tacit consent to after the power is turned in standby mode, and only functional LED displays are electric in the standby state
Power supply touch key-press indicator light half is bright in road 80, and power supply touch key-press K1 can be operated, other in function LED display circuit 80 refer to
Show 90 function Close All of lamp and touch key-press；It is primary by power supply touch key-press K1 in standby mode, into open state；It is opening
Machine state；Power supply touch key-press K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing touch key-press K4 this
Four touch key-press 90 can operate, and corresponding keypress function indicator light is all highlighted in function LED display circuit 80；
After booting plus water to ordinary water level, ptc heater 41, humidifying atomizer 22, wind turbine 51 are all powered on, humidifying atomizer 22
Atomization quantity acquiescence work in high tap position, water level indicator light shows currently practical water level in function LED display circuit 80；It is being switched on
State, power supply touch key-press K1 are put into standby mode；In standby mode, only power supply touches in functional LED display circuit 80
Key indicator lamp half is bright, and power supply touch key-press K1 can just be operated, other indicator lights and keypress function Close All, cycle control
System；Under open state, atomization quantity gear touch key-press K3 acquiescence is in high tap position, by once switching to low-grade location, by switching to twice
Middle gear, by switching to high tap position, loop control three times.
The governor circuit 10 is connected with buzzer circuit 120, and the buzzer circuit 120 includes buzzer BZ1, three poles
Pipe Q21, resistance R8, resistance R6 and resistance R7, aforementioned master control pin 4 pass through the base stage of resistance R6 connecting triodes Q21, three poles
The base stage of pipe Q21 is grounded by resistance R7, the emitter ground connection of triode Q2, the collector connection buzzer BZ1 of triode Q21
One end, the output end of the other end connection 5V conversion circuits 115 of the buzzer BZ1, resistance R8 is parallel to buzzer BZ1's
Both ends.
The I/O port driving circuit 100 is separately connected atomization quantity gear conversion circuit 20, driving circuit for electromagnetic valve 30, PTC
Heater drive circuit 40, fan drive circuit 50, lower header water level detection circuit 60, upper water box water level detection circuit 70；Institute
It states lower header water level detection circuit 60 and includes water level detection circuit 62 under water level detection circuit 61 on lower header and lower header, it is aforementioned
Governor circuit 10 is separately connected on lower header water level detection circuit 62 under water level detection circuit 61 and lower header；Aforementioned atomization quantity shelves
Position conversion circuit 20 connects high frequency and is atomized driving circuit 21, and aforementioned high frequency atomization driving circuit 21 connects humidifying atomizer 22, preceding
It states fan drive circuit 50 and connects wind turbine 51, aforementioned ptc heater driving circuit 40 connects ptc heater 41, the solenoid valve
Driving circuit 30 connects solenoid valve 31；
As shown in figure 5, in the present embodiment, the I/O port driving circuit 100 includes the second chip U2, second chip
U2 has second pin 1 to second pin 16, and second pin 2 connects fan drive circuit 50, and second pin 3 connects solenoid valve and drives
Dynamic circuit 30, second pin 4, second pin 5, second pin 6 and second pin 7 are separately connected atomization quantity gear conversion circuit
20, second pin 8 is grounded, and aforementioned 5V conversion circuits 115 connect second pin 16, and second pin 16 is grounded by capacitance C2, the
Two pins 10 connection second pin 16, the connection master control of second pin 11 pin 15, the connection master control of second pin 12 pin 16, second
Pin 13 connects master control pin 5, and second pin 14 connects master control pin 17, and second pin 15 connects ptc heater driving circuit
40。
As shown in fig. 6, water level detection circuit 62 includes lower water level detecting chip U6, the first power interface under the lower header
POWER, resistance R55, resistance R52, resistance R60, triode Q11, capacitance C17, capacitance C17 and capacitance C16, the lower water level
There is detection chip U6 the first detection pin 1 to the first to detect pin 6, the first detection of output end connection of 5V conversion circuits 115
Pin 1, the first detection pin 1 are grounded by capacitance C15, and the first detection pin 3 connects bottom tablet M1, the first detection pin
4 connection capacitance C17, capacitance C17 series capacitances C16 ground connection, the first detection pin 5 are grounded, and the base stage of triode Q11 passes through resistance
R55 connections first detect pin 6, the first detection output end of the pin 6 by resistance R52 connection 5V conversion circuits 115,5V conversions
The output end of circuit 115 passes through the collector of resistance R60 connecting triodes Q11, the emitter ground connection of triode Q11, triode
The collector of Q11 connects the first power interface POWER；
First power interface POWER has first interface pin 1 to first interface pin 12,5V conversion circuits 115 it is defeated
Outlet connects first interface pin 1, and first interface pin 2 is grounded, and first interface pin 3 connects water level detection circuit on lower header
61, first interface pin 4 is separately connected the collector and master control pin 6 of triode Q11, and the connection of first interface pin 5 second is drawn
Foot 15, first interface pin 6 connect second pin 2, and first interface pin 7 connects second pin 3, and first interface pin 8 connects
Second pin 4, first interface pin 9 connect second pin 5, and first interface pin 10 connects second pin 6, first interface pin
11 connection second pins 7, first interface pin 12 pass through resistance R5 connection master controls pin 2；In the present embodiment, humidifier is switched on
After adding water, after lower header bottom tablet M1 has sensed water, humidifying atomizer 22 and wind turbine 51 could enter normal work, when
Bottom tablet M1 senses that water shortage is shut off a functional and water shortage alarm and enters standby mode when lower header water shortage；It lacks
When water is alarmed, a blinking red lamp of water level display location 5 times in function LED display circuit 80, buzzer BUZ1 rings 5 times,
It was rung for interval with 0.5 second；
As shown in fig. 6, water level detection circuit 61 connects including upper water level detecting chip U11, water level detecting on the lower header
Mouth SW, resistance R111, resistance R31, resistance R21, triode Q14, capacitance C11, capacitance C21, capacitance C31, capacitance C41 and electricity
Hold C16, the upper water level detecting chip U11 have second detection pin 1 to the second detect pin 6,5V conversion circuits 115 it is defeated
Outlet connection the second detection pin 1, the second detection pin 1 connect the anode of polar capacitor C11, and the cathode of polar capacitor C11 connects
Ground, the positive and negative electrode of capacitance C21 parallel connection polar capacitors C11, the second detection pin 3 connect side tablet M2, the second detection pin
4 are grounded by capacitance C31, capacitance C31 series capacitances C41 ground connection, the second detection pin 5, and the base stage of triode Q14 passes through resistance
R111 connections second detect pin 6, the second detection output end of the pin 6 by resistance R21 connection 5V conversion circuits 115, and 5V turns
The output end of circuit 115 is changed by the collector of resistance R31 connecting triodes Q14, the emitter of triode Q14 is grounded, three poles
The collector connection water level detecting interface SW of pipe Q14；
The first water level detecting interface SW has second interface pin 1, second interface pin 2 and second interface pin 3,
Second interface pin 1 is separately connected the collector of master control pin 3 and triode Q14, and second interface pin 2 is grounded, second interface
Pin 3 connects the output end of 5V conversion circuits 115；In the present embodiment, if lower header side tablet after humidifier booting
M2 senses that water shortage just first closes 41 power supply of ptc heater, opens simultaneously 31 power supply of solenoid valve and adds water, adds after water if sensed
Have that water turns on 41 power supply of ptc heater and 22 power supply of humidifying atomizer enters proper atomisation working condition.If after 8 seconds（For
Protection solenoid valve 31, solenoid valve 31 conduction time longest 8 seconds）Or induction water shortage, can be delayed after 60 seconds and carry out solenoid valve again
31 second of energization plus water, cycle adds water in this manner always as long as lower header detects water shortage, connects when in 145 seconds
It is continuous to detect water shortage and sense that water shortage is issued by water shortage instruction again three times plus after water（Water level in function LED display circuit 80
Show that red light prompts water shortage）, while solenoid valve 31 stops plus water operation, is changed by red light until lower header has water and water level to show
After the white lamp in position, electromagnetic coil is just once again powered up plus water operation.
As shown in figure 8, the upper water box tablet course of work in upper water box water level detection circuit 70：If in standby mode plus
When water is to full-water level, full-water level alarm is sent out, standby mode is returned to after the completion of alarm.If taken out in standby mode（Or
It is put into）When upper water box, alarms and prompt without water shortage；When if open state plus water are to full-water level, send out full
Water-level alarm returns to original open state after the completion of alarm.If taken out in open state（There is water）When upper water box, buzzing
Device BUZ1 sends out the two sound prompt tones that tick, and water level shows that red light prompts water shortage in function LED display circuit 80；It is put in open state
Enter to have the upper water box of water, buzzer BUZ1 sends out the two sound prompt tones that tick, and current induction water level is shown, into normal condition；It needs
It is noted that when Full water alarm, four of water level display location white lamps flicker 5 times in function LED display circuit 80, buzzer
BUZ1 rings 5 times were rung with 0.5 second for interval.
The utility model designing points are, mainly pass through upper water box water level detection circuit and lower header water level detecting
Circuit, on the one hand, dry combustion method is prevented in the case of complete water shortage, meanwhile, alarm can be sent out when lacking a part of water
Information and automatic watering, intelligence degree is high, highly practical；Moreover, by wind turbine and humidifying atomizer, using atomizing humidifying performance
Mode effectively carries out air wetting, improves convenience, will not cause uncomfortable；It is easy to use and by touch key-press, also not
Wear problem, the service life that mechanical key can occur are longer, reduce later maintenance cost.
The above is only the utility model preferred embodiment, not appoints to the technical scope of the utility model
What is limited, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent variations
With modification, it is still within the scope of the technical solutions of the present invention.
Claims (6)
1. a kind of control circuit of humidifier, it is characterised in that：Including governor circuit, humidifying atomizer, solenoid valve, PTC heating
Device, wind turbine, atomization quantity gear conversion circuit, high frequency atomization driving circuit, driving circuit for electromagnetic valve, ptc heater driving circuit,
Fan drive circuit, lower header water level detection circuit, upper water box water level detection circuit, function LED display circuit, touch key-press,
I/O port driving circuit and the Width funtion isolated power supply for being connected to 200V to 260V alternating currents manage circuit；
The Width funtion isolated power supply management circuit includes current rectifying and wave filtering circuit, 36V conversion circuits, 12V conversion circuits, 5V conversions
Circuit and it is connected to 200V to the overcurrent-overvoltage protecting circuit of 260V alternating currents, the overcurrent-overvoltage protecting circuit connection rectification filter
Wave circuit, the current rectifying and wave filtering circuit are separately connected 36V conversion circuits and ptc heater, and the 36V conversion circuits are separately connected
Atomization quantity gear conversion circuit, high frequency atomization driving circuit, solenoid valve and 12V conversion circuits, the 12V conversion circuits connect respectively
5V conversion circuits and wind turbine are connect, the 5V conversion circuits are separately connected governor circuit, lower header water level detection circuit, upper water box water
Position detection circuit, I/O port driving circuit and function LED display circuit；
The governor circuit is separately connected I/O port driving circuit, function LED display circuit, lower header water level detection circuit and upper water
Case water level detection circuit；The I/O port driving circuit be separately connected atomization quantity gear conversion circuit, ptc heater driving circuit,
Driving circuit for electromagnetic valve, fan drive circuit, lower header water level detection circuit and upper water box water level detection circuit；The lower water
Case water level detection circuit includes water level detection circuit, aforementioned governor circuit difference under water level detection circuit and lower header on lower header
Connect on lower header water level detection circuit under water level detection circuit and lower header；Aforementioned atomization quantity gear conversion circuit connects high frequency
It is atomized driving circuit, aforementioned high frequency atomization driving circuit connects humidifying atomizer, and aforementioned fan drive circuit connects wind turbine, aforementioned
Ptc heater driving circuit connects ptc heater, and the driving circuit for electromagnetic valve connects solenoid valve, and the touch key-press includes
Power supply touch key-press K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing touch key-press K4, aforementioned master control
Circuit be separately connected power supply touch key-press K1, sleep touch key-press K2, atomization quantity gear touch key-press K3 and timing touch by
Key K4.
2. the control circuit of humidifier according to claim 1, it is characterised in that：The governor circuit includes main control chip
U4, polar capacitor C6, capacitance C2, capacitance C1, resistance R2, resistance R3, resistance R4 and resistance R1, the main control chip U4 have
Master control pin 1 to master control pin 20, master control pin 1 is passed through by resistance R9 connection upper water box water level detection circuits, master control pin 2
The polar regions capacitance C7, water level detection circuit passes through resistance R5 connection master controls pin 2, the lower water of the connection of master control pin 3 on aforementioned lower header
Water level detection circuit on case, master control pin 5, master control pin 15, master control pin 16 and master control pin 17 are separately connected I/O port drive
Dynamic circuit, master control pin 6 connect water level detection circuit under lower header, and master control pin 7 connects upper water box water level detection circuit, master control
Pin 8 connects the anode of polar capacitor C6, the cathode ground connection of polar capacitor C6, and capacitance C2 is parallel to the positive and negative of polar capacitor C6
Pole, master control pin 9 are grounded, and master control pin 10 is grounded by capacitance C1；Master control pin 18, master control pin 19 and master control pin 20
It is separately connected function LED display circuit, master control pin 11 is passed through by resistance R4 connection power supply touch key-press K1, master control pin 12
Resistance R3 connections sleep touch key-press K2, master control pin 13 are drawn by resistance R2 connection atomization quantity gear touch key-press K3, master control
Foot 14 passes through resistance R1 connection timing touch key-press K4.
3. the control circuit of humidifier according to claim 2, it is characterised in that：The I/O port driving circuit includes second
Chip U2, the second chip U2 have second pin 1 to second pin 16, and second pin 2 connects fan drive circuit, and second
Pin 3 connects driving circuit for electromagnetic valve, and second pin 4, second pin 5, second pin 6 and second pin 7 are separately connected atomization
Gear conversion circuit is measured, second pin 8 is grounded, and aforementioned 5V conversion circuits connect second pin 16, and second pin 16 passes through capacitance
C2 is grounded, and second pin 10 connects second pin 16, and second pin 11 connects master control pin 15, and second pin 12 connects master control and draws
Foot 16, second pin 13 connect master control pin 5, and second pin 14 connects master control pin 17, and second pin 15 connects ptc heater
Driving circuit.
4. the control circuit of humidifier according to claim 2, it is characterised in that：The governor circuit is connected with buzzer
Circuit, the buzzer circuit include that buzzer BZ1, triode Q21, resistance R8, resistance R6 and resistance R7, aforementioned master control are drawn
Foot 4 is grounded by the base stage of resistance R6 connecting triodes Q21, the base stage of triode Q21 by resistance R7, the transmitting of triode Q2
Pole is grounded, one end of the collector connection buzzer BZ1 of triode Q21, the other end connection 5V conversion electricity of the buzzer BZ1
The output end on road, resistance R8 are parallel to the both ends of buzzer BZ1.
5. the control circuit of humidifier according to claim 3, it is characterised in that：Water level detection circuit under the lower header
Including lower water level detecting chip U6, the first power interface POWER, resistance R55, resistance R52, resistance R60, triode Q11, capacitance
There is the first detection pin 1 to the first to detect pin 6 by C17, capacitance C17 and capacitance C16, the lower water level detecting chip U6,
Output end connection the first detection pin 1 of 5V conversion circuits, the first detection pin 1 are grounded by capacitance C15, the first detection pin
3 connection bottom tablet M1, the first detection pin 4 connect capacitance C17, capacitance C17 series capacitances C16 ground connection, and the first detection is drawn
Foot 5 is grounded, and the base stage of triode Q11 detects pin 6 by resistance R55 connections first, and the first detection pin 6 passes through resistance R52
Connecting the output end of 5V conversion circuits, the output ends of 5V conversion circuits is by the collector of resistance R60 connecting triodes Q11, and three
The emitter of pole pipe Q11 is grounded, and the collector of triode Q11 connects the first power interface POWER；
First power interface POWER has first interface pin 1 to first interface pin 12, and the output end of 5V conversion circuits connects
First interface pin 1, first interface pin 2 are grounded, and first interface pin 3 connects water level detection circuit on lower header, and first connects
Mouthful pin 4 is separately connected the collector and master control pin 6 of triode Q11, and first interface pin 5 connects second pin 15, and first
Interface pin 6 connects second pin 2, and first interface pin 7 connects second pin 3, and first interface pin 8 connects second pin 4,
First interface pin 9 connects second pin 5, and first interface pin 10 connects second pin 6, the connection of first interface pin 11 second
Pin 7, first interface pin 12 pass through resistance R5 connection master controls pin 2.
6. the control circuit of humidifier according to claim 2, it is characterised in that：Water level detection circuit on the lower header
Including upper water level detecting chip U11, water level detecting interface SW, resistance R111, resistance R31, resistance R21, triode Q14, capacitance
C11, capacitance C21, capacitance C31, capacitance C41 and capacitance C16, the upper water level detecting chip U11 have the second detection pin 1
To the second detection pin 6, output end connection the second detection pin 1 of 5V conversion circuits, the second detection pin 1 connects polar capacitor
The anode of C11, the cathode ground connection of polar capacitor C11, the positive and negative electrode of capacitance C21 parallel connection polar capacitors C11, the second detection pin 3
Side tablet M2 is connected, the second detection pin 4 passes through capacitance C31, capacitance C31 series capacitances C41 ground connection, the second detection pin
The base stage of 5 ground connection, triode Q14 detects pin 6 by resistance R111 connections second, and the second detection pin 6 is connected by resistance R21
The output end of 5V conversion circuits is connect, the output end of 5V conversion circuits passes through the collector of resistance R31 connecting triodes Q14, three poles
The emitter of pipe Q14 is grounded, the collector connection water level detecting interface SW of triode Q14；
The water level detecting interface SW has second interface pin 1, second interface pin 2 and second interface pin 3, second interface
Pin 1 is separately connected the collector of master control pin 3 and triode Q14, and second interface pin 2 is grounded, and second interface pin 3 connects
The output end of 5V conversion circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006450.5U CN207688360U (en) | 2018-01-03 | 2018-01-03 | The control circuit of humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820006450.5U CN207688360U (en) | 2018-01-03 | 2018-01-03 | The control circuit of humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207688360U true CN207688360U (en) | 2018-08-03 |
Family
ID=62990670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820006450.5U Expired - Fee Related CN207688360U (en) | 2018-01-03 | 2018-01-03 | The control circuit of humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207688360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708361A (en) * | 2018-09-27 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerator |
| CN112268407A (en) * | 2020-10-27 | 2021-01-26 | 合肥美菱物联科技有限公司 | Tea bar machine control system with humidifying device and control method |
-
2018
- 2018-01-03 CN CN201820006450.5U patent/CN207688360U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708361A (en) * | 2018-09-27 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerator |
| CN109708361B (en) * | 2018-09-27 | 2021-09-21 | 海尔智家股份有限公司 | Refrigerator with a door |
| CN113669991A (en) * | 2018-09-27 | 2021-11-19 | 海尔智家股份有限公司 | Air duct assembly and refrigerator |
| CN112268407A (en) * | 2020-10-27 | 2021-01-26 | 合肥美菱物联科技有限公司 | Tea bar machine control system with humidifying device and control method |
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Granted publication date: 20180803 Termination date: 20200103 |