CN206786956U - A kind of humidifier - Google Patents
A kind of humidifier Download PDFInfo
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- CN206786956U CN206786956U CN201621418033.9U CN201621418033U CN206786956U CN 206786956 U CN206786956 U CN 206786956U CN 201621418033 U CN201621418033 U CN 201621418033U CN 206786956 U CN206786956 U CN 206786956U
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a kind of humidifier, including crystal oscillating circuit, control circuit, sensor circuit, totem drive circuit, power driving circuit, boost inductance and ultrasonic wave atomization circuit；The control circuit is connected with the sensor circuit, crystal oscillating circuit, totem drive circuit respectively, the totem drive circuit is connected with the power driving circuit, the power driving circuit is connected with the boost inductance, and the boost inductance is connected with the ultrasonic wave atomization circuit.For the utility model using crystal oscillator driving totem-pote circuit, improving driving force makes metal-oxide-semiconductor be shortened in the rising edge and trailing edge being turned on and off, and reduces the switching loss of metal-oxide-semiconductor；Water is detected using touch sensing chip, avoids device from directly being contacted with water, solves the safety problem of product and the adaptability to different liquids, it is possible to achieve oscillator stability, raising yield rate and the advantages of product reliability, security.
Description
Technical field
Electronic technology field is the utility model is related to, in particular it relates to a kind of humidifier.
Background technology
Existing ultrasonic atomization product is all the frequency that ultrasonic atomization piece is obtained by RC concussions, due to resistance electricity
The discretization error of appearance, product vibration frequency can not being consistent property, to product batch production bring very big inconvenience；Other temperature
It is also it will be apparent that having a significant impact to the stability of product to the influence that resistance holds.In addition, the detection for water directly uses
Metal and water contact, determine whether water, this method makes water and wiring board have direct contact, adds peace by electron ion
Full hidden danger, judge the electron ion in water in addition there is also limitation, such as pure water just to determine.
At present, existing ultrasonic atomization product oscillator stability is poor, yield rate is low, reliability and security are low.
Utility model content
The purpose of this utility model is, in view of the above-mentioned problems, proposing a kind of humidifier, it is possible to achieve oscillator stabilization
Property, improve yield rate and the advantages of product reliability, security.
To achieve the above object, the technical solution adopted in the utility model is：A kind of humidifier, including control circuit, sense
Answer circuit, totem drive circuit, power driving circuit, boost inductance and ultrasonic wave atomization circuit, the sensor circuit and institute
State control circuit connection, the control circuit is connected with the totem drive circuit, the totem drive circuit with it is described
Power driving circuit is connected, and the power driving circuit is connected with the boost inductance, the boost inductance and the ultrasonic wave
Atomization circuit is connected, in addition to crystal oscillating circuit, the crystal oscillating circuit are connected with the control circuit.
Further, the crystal oscillating circuit includes crystal oscillator X1, electric capacity C1 and electric capacity C2, the crystal oscillation
Device X1 one end is connected with the electric capacity C1, and the crystal oscillator X1 other ends are connected with described electric capacity C2 one end, the electric capacity
The C1 other ends, the electric capacity C2 other ends are grounded GND.
Further, the control circuit includes control chip MCU, the power supply VCC connections control chip MCU pins 1,
The control chip MCU pins 8 are grounded GND, the control chip MCU pins 7 respectively with described crystal oscillator X1 one end, electricity
Hold the connection of C1 one end, the control chip MCU pins 6 are connected with the crystal oscillator X1 other ends, electric capacity C2 one end respectively.
Further, the control chip MCU is built-in divides, and the output of control chip MCU pins 5 is identical with atomizer frequency
Pwm signal.
Further, the sensor circuit includes touch sensible chip U1, electric capacity C4, resistance R1 and resistance R2, described to touch
Touch induction chip U1 pins 1 to be connected with the control chip MCU pins 4, the touch sensible chip U1 pins 2 are grounded GND, institute
State touch sensible chip U1 pins 3 and connect electric capacity C4 one end, the electric capacity C4 other ends are grounded GND, the touch sensible chip
U1 pins 4 are connected with described resistance R2 one end, the resistance R2 other ends respectively with the touch sensible chip U1 pins 5, electricity
Source VCC connections, the touch sensible chip U1 pins 6 are connected with described resistance R1 one end, the resistance R1 other ends respectively with
The touch sensible chip U1 pins 5, power supply VCC connections.
Further, the totem drive circuit includes triode Q1, triode Q2, resistance R3 and resistance R6, described
Resistance R3 one end is connected with the control chip MCU pins 5, the resistance R3 other ends respectively with the triode Q1 base stages,
Triode Q2 base stages are connected, and the triode Q1 colelctor electrodes are connected with described resistance R6 one end, the resistance R6 other ends connection
Power vd D, the triode Q1 emitter stages are connected with the triode Q2 emitter stages, the triode Q2 grounded collectors GND.
Further, the power driving circuit includes resistance R4, resistance R5 and metal-oxide-semiconductor Q3, described resistance R4 one end point
With the triode Q1 transmitting collection, triode Q2 transmitting collection connection, the resistance R4 other ends respectively with the resistance R5 mono-
End, the connection of metal-oxide-semiconductor Q3 grids, the resistance R5 other ends are grounded GND, the metal-oxide-semiconductor Q3 source grounds GND.
Further, the b ends of the boost inductance L1 connect with metal-oxide-semiconductor Q3 drain electrodes, a ends of the boost inductance L1
Connect power vd D.
Further, the ultrasonic wave atomization circuit includes electric capacity C3 and atomizing piece X2, described electric capacity C3 one end with it is described
Boost inductance L1 c ends connection, the electric capacity C3 other ends connect described atomizing piece X2 one end, another terminations of atomizing piece X2
Ground GND.
A kind of humidifier of the utility model, make system operating frequency stable using crystal oscillator, by rings such as temperature, humidity
Border influence is small, improves the yields of product, reduces processing cost；Crystal oscillator drives totem-pote circuit, improves driving energy
Power makes metal-oxide-semiconductor be shortened in the rising edge and trailing edge being turned on and off, and reduces the switching loss of metal-oxide-semiconductor；Using touch sensing core
Piece detects water, avoids device from directly being contacted with water, solves the safety problem of product and the adaptability to different liquids, it is possible to achieve
Oscillator stability, improve yield rate and the advantages of product reliability, security.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of electrical principle structure chart of humidifier described in the utility model；
Fig. 2 is a kind of circuit diagram of humidifier described in the utility model.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, a kind of humidifier, including crystal oscillating circuit, control circuit, sensor circuit, totem driving electricity
Road, power driving circuit, boost inductance and ultrasonic wave atomization circuit；Control circuit respectively with sensor circuit, crystal oscillating circuit,
Totem drive circuit is connected, and totem drive circuit is connected with power driving circuit, and power driving circuit connects with boost inductance
Connect, boost inductance is connected with ultrasonic wave atomization circuit.
As shown in Fig. 2 control circuit includes control chip MCU, power supply VCC connection control chip MCU pins 1, core is controlled
Piece MCU pins 8 are grounded GND, and control chip MCU pins 7 are connected with crystal oscillator X1 one end, electric capacity C1 one end respectively, control
Chip MCU pins 6 are connected with the crystal oscillator X1 other ends, electric capacity C2 one end respectively.
Crystal oscillating circuit includes crystal oscillator X1, electric capacity C1 and electric capacity C2, crystal oscillator X1 one end and electric capacity C1
Connection, the crystal oscillator X1 other ends are connected with electric capacity C2 one end, and the electric capacity C1 other ends, the electric capacity C2 other ends are grounded GND.
Sensor circuit includes touch sensible chip U1, electric capacity C4, resistance R1 and resistance R2, touch sensible chip U1 pins 1
It is connected with control chip MCU pins 4, touch sensible chip U1 pins 2 are grounded GND, and touch sensible chip U1 pins 3 connect electric capacity
C4 one end, electric capacity C4 other ends ground connection GND, touch sensible chip U1 pins 4 are connected with resistance R2 one end, the resistance R2 other ends point
It is not connected with touch sensible chip U1 pins 5, power supply VCC, touch sensible chip U1 pins 6 are connected with resistance R1 one end, resistance
The R1 other ends are connected with touch sensible chip U1 pins 5, power supply VCC respectively.
Totem drive circuit includes triode Q1, triode Q2, resistance R3 and resistance R6, resistance R3 one end and control core
Piece MCU pins 5 are connected, and the resistance R3 other ends are connected with triode Q1 base stages, triode Q2 base stages respectively, triode Q1 colelctor electrodes
It is connected with resistance R6 one end, resistance R6 other ends connection power vd D, triode Q1 emitter stages are connected with triode Q2 emitter stages,
Triode Q2 grounded collectors GND.
Power driving circuit includes resistance R4, resistance R5 and metal-oxide-semiconductor Q3, and resistance R4 one end is launched with triode Q1 respectively
Collection, triode Q2 transmitting collection connections, the resistance R4 other ends are connected with resistance R5 one end, metal-oxide-semiconductor Q3 grids respectively, and resistance R5 is another
End ground connection GND, metal-oxide-semiconductor Q3 source grounds GND.
Boost inductance L1 b ends connect with metal-oxide-semiconductor Q3 drain electrodes, boost inductance L1 a ends connection power vd D.
Ultrasonic wave atomization circuit includes electric capacity C3 and atomizing piece X2, and electric capacity C3 one end is connected with boost inductance L1 c ends, electricity
Hold C3 other ends connection atomizing piece X2 one end, atomizing piece X2 other ends ground connection GND.
The course of work of the present utility model is：MCU working frequencies are determined by crystal oscillator, are existed by frequency dividing inside MCU
MCU the 5th pin output frequency goes driving to form totem by R3, R6, Q1, Q2 with crystal oscillator frequency identical pwm signal
Circuit, the power drive electricity circuit that totem-pote circuit driving is made up of R4, R5, Q3（Metal-oxide-semiconductor is driven with totem, is solved
The problem of metal-oxide-semiconductor not exclusively causes its excessive heating to influence product overall performance）.Being designed with L1 in Q3 drain electrode will export
Voltage is raised to atomizing piece operating voltage, makes its water atomization by output capacitance C3 atomizing piece output ultrasonic waves.Examined when touching chip
When having measured water signal, there is water signal in the output of its first pin, MCU the 4th pin, which has detected, can just start atomization during water signal
Mode of operation（Output pwm signal）.The shut-off atomization mode of operation when touching chip and detecting anhydrous.
A kind of humidifier of the utility model, make system operating frequency stable using crystal oscillator, by rings such as temperature, humidity
Border influence is small, improves the yields of product, reduces processing cost；Crystal oscillator drives totem-pote circuit, improves driving energy
Power makes metal-oxide-semiconductor be shortened in the rising edge and trailing edge being turned on and off, and reduces the switching loss of metal-oxide-semiconductor；Using touch sensing core
Piece detects water, avoids device from directly being contacted with water, solves the safety problem of product and the adaptability to different liquids, it is possible to achieve
Oscillator stability, improve yield rate and the advantages of product reliability, security.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (9)
1. a kind of humidifier, including control circuit, sensor circuit, totem drive circuit, power driving circuit, boost inductance and
Ultrasonic wave atomization circuit, the sensor circuit are connected with the control circuit, the control circuit and totem driving electricity
Road is connected, and the totem drive circuit is connected with the power driving circuit, the power driving circuit and the boosting electricity
Sense connection, the boost inductance are connected with the ultrasonic wave atomization circuit, it is characterised in that also including crystal oscillating circuit, institute
Crystal oscillating circuit is stated to be connected with the control circuit.
2. a kind of humidifier according to claim 1, it is characterised in that the crystal oscillating circuit includes crystal oscillator
X1, electric capacity C1 and electric capacity C2, described crystal oscillator X1 one end are connected with the electric capacity C1, the crystal oscillator X1 other ends
It is connected with described electric capacity C2 one end, the electric capacity C1 other ends, the electric capacity C2 other ends are grounded GND.
3. a kind of humidifier according to claim 1, it is characterised in that the control circuit includes control chip MCU, power supply
The VCC connections control chip MCU pins 1, the control chip MCU pins 8 are grounded GND, the control chip MCU pins 7
Be connected respectively with described crystal oscillator X1 one end, electric capacity C1 one end, the control chip MCU pins 6 respectively with the crystal
The oscillator X1 other ends, the connection of electric capacity C2 one end.
4. a kind of humidifier according to claim 3, it is characterised in that the control chip MCU is built-in to be divided, control chip
MCU pins 5 export and atomizer frequency identical pwm signal.
A kind of 5. humidifier according to claim 1, it is characterised in that the sensor circuit include touch sensible chip U1,
Electric capacity C4, resistance R1 and resistance R2, the touch sensible chip U1 pins 1 are connected with the control chip MCU pins 4, described
Touch sensible chip U1 pins 2 are grounded GND, and the touch sensible chip U1 pins 3 connect electric capacity C4 one end, and the electric capacity C4 is another
One end is grounded GND, and the touch sensible chip U1 pins 4 are connected with described resistance R2 one end, the resistance R2 other ends difference
It is connected with the touch sensible chip U1 pins 5, power supply VCC, the touch sensible chip U1 pins 6 and described resistance R1 one end
Connection, the resistance R1 other ends are connected with the touch sensible chip U1 pins 5, power supply VCC respectively.
A kind of 6. humidifier according to claim 1, it is characterised in that the totem drive circuit include triode Q1,
Triode Q2, resistance R3 and resistance R6, described resistance R3 one end are connected with the control chip MCU pins 5, and the resistance R3 is another
One end is connected with the triode Q1 base stages, triode Q2 base stages respectively, the triode Q1 colelctor electrodes and the resistance R6 mono-
End connection, the resistance R6 other ends connect power vd D, and the triode Q1 emitter stages connect with the triode Q2 emitter stages
Connect, the triode Q2 grounded collectors GND.
7. a kind of humidifier according to claim 6, it is characterised in that the power driving circuit includes resistance R4, resistance
R5 and metal-oxide-semiconductor Q3, described resistance R4 one end connect with triode Q1 transmittings collection, triode Q2 transmitting collection respectively, the electricity
The resistance R4 other ends are connected with described resistance R5 one end, metal-oxide-semiconductor Q3 grids respectively, and the resistance R5 other ends are grounded GND, described
Metal-oxide-semiconductor Q3 source grounds GND.
8. a kind of humidifier according to claim 7, it is characterised in that the b ends of the boost inductance L1 and the metal-oxide-semiconductor Q3
Drain electrode connection, a ends connection power vd D of the boost inductance L1.
9. a kind of humidifier according to claim 1, it is characterised in that the ultrasonic wave atomization circuit includes electric capacity C3 and mist
Change piece X2, described electric capacity C3 one end is connected with the c ends of the boost inductance L1, and the electric capacity C3 other ends connect the atomizing piece
X2 one end, the atomizing piece X2 other ends are grounded GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418033.9U CN206786956U (en) | 2016-12-22 | 2016-12-22 | A kind of humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418033.9U CN206786956U (en) | 2016-12-22 | 2016-12-22 | A kind of humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206786956U true CN206786956U (en) | 2017-12-22 |
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ID=60704400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621418033.9U Active CN206786956U (en) | 2016-12-22 | 2016-12-22 | A kind of humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206786956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583928A (en) * | 2022-05-06 | 2022-06-03 | 成都复锦功率半导体技术发展有限公司 | Power supply boosting drive circuit based on self-oscillation |
-
2016
- 2016-12-22 CN CN201621418033.9U patent/CN206786956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583928A (en) * | 2022-05-06 | 2022-06-03 | 成都复锦功率半导体技术发展有限公司 | Power supply boosting drive circuit based on self-oscillation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device and method for protecting humidifier Effective date of registration: 20191104 Granted publication date: 20171222 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI JINZER TECHNOLOGY Co.,Ltd. Registration number: Y2019990000453 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220906 Granted publication date: 20171222 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI JINZER TECHNOLOGY Co.,Ltd. Registration number: Y2019990000453 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |