CN2296966Y - Miniature ultrasonic humidifier - Google Patents
Miniature ultrasonic humidifier Download PDFInfo
- Publication number
- CN2296966Y CN2296966Y CN 97239480 CN97239480U CN2296966Y CN 2296966 Y CN2296966 Y CN 2296966Y CN 97239480 CN97239480 CN 97239480 CN 97239480 U CN97239480 U CN 97239480U CN 2296966 Y CN2296966 Y CN 2296966Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- utility
- piezoelectric transducer
- pzt
- ultrasonic humidifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Special Spraying Apparatus (AREA)
Abstract
The utility model relates to a miniature ultrasonic humidifier. The utility model aims to provide an air humidifier with small volume, light weight and large atomizing quantity. The utility model mainly comprises a power supply box 1, a piezoelectric transducer 2, a sealing shell 3 and a heat radiator 4, wherein, the power supply box 1 is a half-bridge conversion circuit which is composed of a transistor 5, a high-frequency transformer 6, a rectifying tube 7, and a filtering capacitor 8.
Description
The utility model relates to a kind of miniature ultrasonic humidifier, refers in particular to the ultrasonic humidifier that is used for air wetting.
In background technology, the power unit of existing ultrasonic humidifier all adopts traditional linear transformer.(number of patent application: 962300077.2), its shortcoming is that volume is big to the DD-2000 atomizer of producing as the big rammer electrical equipment in Shanghai research institute, Heavy Weight, the internal resistance of source are big, directly influences the miniaturization of equipment, also influences the size of mist amount.
The purpose of this utility model is in order to overcome the weak point in the above-mentioned background technology, to develop the miniature ultrasonic humidifier that a kind of volume is little, in light weight, atomization quantity is big.
Technical solution of the present utility model is as follows:
Comprise: power supply box (1), PZT (piezoelectric transducer) (2), capsul (3), radiator (4), it is characterized in that: the semi-bridge alternation circuit of forming by transistor (5), high frequency transformer (6), rectifying tube (7), filter capacitor (8) in a. power supply box (1), export DC-isolation voltage, be connected into capsul (3) inside, for the supersonic oscillations circuit provides power supply.B. PZT (piezoelectric transducer) (2) by glue (weldering) be connected on capsul (3) above.
Advantage of the present utility model and effect are as follows:
1. power volume is little.Be 50 * 90 * 45 (mm
3).
2. in light weight.Tradition 50W linear transformer weight is 3kg and power supply weight of the present utility model only is 170g.
3. the mist amount is big.The atomizer atomization quantity of congenerous consumption is about 400ml/h, and the utility model atomization quantity is 600ml/h.
Wafer without specially treated scaling not.
Description of drawings of the present utility model is as follows:
Fig. 1 is the overall structure schematic diagram.
Fig. 2 is a semi-bridge alternation high frequency electric source schematic diagram.
Fig. 3 is the supersonic oscillations circuit theory diagrams.
Following adjoint is done detailed explanation.
Referring to Fig. 1, the semi-bridge alternation circuit of being made up of transistor (5), high frequency transformer (6), rectifying tube (7), filter capacitor (8) in the power supply box (1) is exported DC-isolation voltage, is connected into capsul (3) inside, for the supersonic oscillations circuit provides power supply.PZT (piezoelectric transducer) (2), capsul (3), radiator (4) are formed an airtight cavity, and sonic oscillation circuit and water are isolated.Radiator (4) is to be sonic oscillation transistor (V
3) heat radiation.PZT (piezoelectric transducer) by sticking (weldering) be connected on capsul (3) above, make the incrustation scale that produces after the water atomization sink to container bottom easily, be unlikely PZT (piezoelectric transducer) (2) surface scale.
Referring to Fig. 1, civil power is through diode D
1～4The full-bridge of forming is by rectification, through capacitor C
1Filtering becomes the 310V direct current, resistance R
1, capacitor C
4Form circuits for triggering with diac ST, trigger transistor V
2Conducting is at feedback voltage device T
1Effect under, make transistor V
1, V
2Conducting in turn, T
2Elementary winding and capacitor C
2, C
3Form serial resonant at T
2The secondary 25KH that obtains
2About the low pressure high frequency, through diode D
5, D
6Rectification, capacitor C
5And inductance L
1The direct current that filtering obtains about 50V provides power supply for the supersonic oscillations circuit.
Referring to Fig. 3, transistor V
3Capacitor C
6, C
7Inductance L
3, L
4Form the vibration of capacitor bikini with PZT (piezoelectric transducer) PZT (2), frequency of oscillation is determined by PZT (piezoelectric transducer) PZT (2).Potentiometer W
1, inductance L
4, resistance R
4For transistor base provides bias voltage.Transistor V
4With base lead and resistance R
5, R
6Do water level switch.
Claims (1)
1. miniature ultrasonic humidifier, it comprises power supply box (1), PZT (piezoelectric transducer) (2), capsul (3), radiator (4), it is characterized in that:
A. the semi-bridge alternation high frequency electric source of being made up of transistor (5), high frequency transformer (6), rectifying tube (7), filter capacitor (8) in the power supply box (1) is exported DC-isolation voltage, is connected into seal casinghousing (3) inside, for the supersonic oscillations circuit provides power supply,
B. PZT (piezoelectric transducer) (2) by glue (weldering) be connected on capsul (3) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239480 CN2296966Y (en) | 1997-05-19 | 1997-05-19 | Miniature ultrasonic humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239480 CN2296966Y (en) | 1997-05-19 | 1997-05-19 | Miniature ultrasonic humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2296966Y true CN2296966Y (en) | 1998-11-11 |
Family
ID=33949464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239480 Expired - Fee Related CN2296966Y (en) | 1997-05-19 | 1997-05-19 | Miniature ultrasonic humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2296966Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324362B (en) * | 2007-06-13 | 2011-07-06 | 上海丰科生物科技股份有限公司 | Ultrasonic humidifier |
-
1997
- 1997-05-19 CN CN 97239480 patent/CN2296966Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324362B (en) * | 2007-06-13 | 2011-07-06 | 上海丰科生物科技股份有限公司 | Ultrasonic humidifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |