CN208461692U - A kind of boostrap circuit of atomizer - Google Patents
A kind of boostrap circuit of atomizer Download PDFInfo
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- CN208461692U CN208461692U CN201820541696.2U CN201820541696U CN208461692U CN 208461692 U CN208461692 U CN 208461692U CN 201820541696 U CN201820541696 U CN 201820541696U CN 208461692 U CN208461692 U CN 208461692U
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Abstract
The utility model relates to a kind of boostrap circuit of atomizer, including the first bootstrap module, the second bootstrap modules；After first bootstrap module boosts input voltage, the output end of the first bootstrap module is connect with the input terminal of the second bootstrap module, so that the second bootstrap module again boosts input voltage；The output voltage of second bootstrap module and the transduction piece of atomizer connect.The utility model, by after input voltage superposition boosting, starts the transduction piece of atomizer by two bootstrap modules.The series of the utility model boosting is high, is able to satisfy powerful transduction piece, can effectively improve the power of atomizer.
Description
Technical field
The utility model relates to atomizers, more specifically refer to a kind of boostrap circuit of atomizer.
Background technique
The power of atomizer is lower at present, can not meet requirement.The input voltage of atomizer cannot be too high, but drives again
Expected requirement is not achieved in high-power energy converter.Existing circuit is usually to utilize transformer, but volume is larger, will lead to
The volume of atomizer is larger.Thus, it is necessary to consider another booster circuit.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of boostrap circuit of atomizer.
To achieve the above object, the utility model uses following technical scheme:
A kind of boostrap circuit of atomizer, including the first bootstrap module, the second bootstrap module；First bootstrap module will
After input voltage boosting, the output end of the first bootstrap module is connect with the input terminal of the second bootstrap module, so that the second bootstrapping mould
Block again boosts input voltage；The output voltage of second bootstrap module and the transduction piece of atomizer connect.
Its further technical solution are as follows: first bootstrap module is also connect with the first switching element being equipped with；Described
One bootstrap module is connect by the first switching element with the first pulse signal being equipped with.
Its further technical solution are as follows: the first switching element is the first metal-oxide-semiconductor；The grid of the first MOS pipe with
The connection of first pulse signal, drain electrode are connect with the voltage input end of the first bootstrap module, source electrode ground connection.
Its further technical solution are as follows: second bootstrap module is also connect with the second switch element being equipped with；Described
Two bootstrap modules are connect by the second switch element with the second pulse signal being equipped with.
Its further technical solution are as follows: the second switch element is the second metal-oxide-semiconductor；The grid of the 2nd MOS pipe with
The connection of second pulse signal, drain electrode are connect with the voltage output end of the first bootstrap module, source electrode ground connection.
Its further technical solution are as follows: the voltage input end of first bootstrap module is equipped with the first inductance.
Its further technical solution are as follows: between the output end of first bootstrap module and the input terminal of the second bootstrap module
Equipped with the second inductance.
Its further technical solution are as follows: first pulse signal and the second pulse signal are sent out by the control chip being equipped with
Out.
Its further technical solution are as follows: first bootstrap module, the second bootstrap module include capacitor and diode；Institute
Capacitor is stated to connect with the diodes in parallel；The input terminal and first switching element of the diode or the leakage of second switch element
Pole connection；One end of the capacitor is connect with the source electrode of first switching element or second switch element, the other end and diode
Output end connection.
Its further technical solution are as follows: the first switching element, second switch element source electrode and ground connection between be all provided with
There is resistance.
The beneficial effect of the utility model compared with prior art is: the utility model will be inputted by two bootstrap modules
After voltage superposition boosting, start the transduction piece of atomizer.The series of the utility model boosting is high, is able to satisfy powerful transducing
Piece can effectively improve the power of atomizer.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of the boostrap circuit of atomizer of the utility model.
Specific embodiment
In order to more fully understand the technology contents of the utility model, combined with specific embodiments below to the skill of the utility model
Art scheme is further described and illustrates, but not limited to this.
Such as the drawing that Fig. 1 is the utility model embodiment.
A kind of boostrap circuit of atomizer, including the first bootstrap module 10, the second bootstrap module 20.First bootstrap module 10
After input voltage is boosted, the output end of the first bootstrap module 10 is connect with the input terminal of the second bootstrap module 20, so that second
Bootstrap module 20 again boosts input voltage.The output voltage of second bootstrap module 20 and the transduction piece 30 of atomizer connect.
The input terminal voltage of first bootstrap module 10 is 5V, after the superposition of the first bootstrap module 10, the second bootstrap module 20 boosting,
The output end voltage of second bootstrap module 20 can reach 80V, start powerful transduction piece 30 enough.
First bootstrap module 10 is also connect with the first switching element being equipped with.First bootstrap module 10 passes through first switch member
Part is connect with the first pulse signal pwm1 being equipped with.First switching element is the first MOS pipe MOS1MOS1.First metal-oxide-semiconductor MOS1
Grid G connect with the first pulse signal pwm1, drain D is connect with the voltage input end of the first bootstrap module 10, and source S connects
Ground.
Second bootstrap module 20 is also connect with the second switch element being equipped with.Second bootstrap module 20 is opened by described second
Element is closed to connect with the first pulse signal pwm2 being equipped with.Second switch element is the second metal-oxide-semiconductor MOS2.Second metal-oxide-semiconductor MOS2
Grid G connect with the first pulse signal pwm2, drain D is connect with the voltage output end of the first bootstrap module 10, and source S connects
Ground.
The voltage input end of first bootstrap module 10 is equipped with the first inductance L1.
The second inductance L2 is equipped between the output end of first bootstrap module 10 and the input terminal of the second bootstrap module 20.
First pulse signal pwm1 and the first pulse signal pwm2 is issued by the control chip I C being equipped with.
First bootstrap module 10, the second bootstrap module 20 include capacitor and diode.Capacitor and the diodes in parallel
Connection.The input terminal of diode is connect with the drain D of first switching element or second switch element.One end of capacitor with the
The output end of the connection of the source S of one switch element or second switch element, the other end and diode connects.
Specifically, the first bootstrap module 10 includes diode D1 capacitor C1.Second bootstrap module 20 includes diode D2 electricity
Hold C2.
First metal-oxide-semiconductor MOS1, the second metal-oxide-semiconductor MOS2 source S and ground connection between be equipped with resistance, respectively R1 and R2.
In conclusion starting atomizer after the utility model is boosted input voltage superposition by two bootstrap modules
Transduction piece.The series of the utility model boosting is high, is able to satisfy powerful transduction piece, can effectively improve the power of atomizer.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiments of the present invention is not represented is only limitted to this, any technology done according to the utility model extends or recreation,
By the protection of the utility model.The protection scope of the utility model is subject to claims.
Claims (5)
1. a kind of boostrap circuit of atomizer, which is characterized in that including the first bootstrap module, the second bootstrap module；Described first
After bootstrap module boosts input voltage, the output end of the first bootstrap module is connect with the input terminal of the second bootstrap module, so that
Second bootstrap module again boosts input voltage；The output voltage of second bootstrap module and the transduction piece of atomizer connect
It connects；
First bootstrap module is also connect with the first switching element being equipped with；First bootstrap module is opened by described first
Element is closed to connect with the first pulse signal being equipped with；
The first switching element is the first metal-oxide-semiconductor；The grid of first metal-oxide-semiconductor is connect with the first pulse signal, drain electrode with
The voltage input end of first bootstrap module connects, source electrode ground connection；
Second bootstrap module is also connect with the second switch element being equipped with；Second bootstrap module is opened by described second
Element is closed to connect with the second pulse signal being equipped with；
The second switch element is the second metal-oxide-semiconductor；The grid of second metal-oxide-semiconductor is connect with the second pulse signal, drain electrode with
The voltage output end of first bootstrap module connects, source electrode ground connection；
First bootstrap module, the second bootstrap module include capacitor and diode；The capacitor and the diodes in parallel
Connection；The input terminal of the diode is connect with the drain electrode of first switching element or second switch element；One end of the capacitor
It is connect with the source electrode of first switching element or second switch element, the output end connection of the other end and diode.
2. a kind of boostrap circuit of atomizer according to claim 1, which is characterized in that the electricity of first bootstrap module
Input terminal is pressed to be equipped with the first inductance.
3. a kind of boostrap circuit of atomizer according to claim 1, which is characterized in that first bootstrap module it is defeated
The second inductance is equipped between outlet and the input terminal of the second bootstrap module.
4. a kind of boostrap circuit of atomizer according to claim 1, which is characterized in that first pulse signal and
Two pulse signals are issued by the control chip being equipped with.
5. a kind of boostrap circuit of atomizer according to claim 1, which is characterized in that the first switching element,
Resistance is equipped between the source electrode and ground connection of two switch elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541696.2U CN208461692U (en) | 2018-04-13 | 2018-04-13 | A kind of boostrap circuit of atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820541696.2U CN208461692U (en) | 2018-04-13 | 2018-04-13 | A kind of boostrap circuit of atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208461692U true CN208461692U (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820541696.2U Active CN208461692U (en) | 2018-04-13 | 2018-04-13 | A kind of boostrap circuit of atomizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN208461692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101014A (en) * | 2022-01-25 | 2022-03-01 | 深圳市大族光电设备有限公司 | Drive circuit, semiconductor wire bonding machine and bootstrap circuit of ultrasonic transducer |
-
2018
- 2018-04-13 CN CN201820541696.2U patent/CN208461692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101014A (en) * | 2022-01-25 | 2022-03-01 | 深圳市大族光电设备有限公司 | Drive circuit, semiconductor wire bonding machine and bootstrap circuit of ultrasonic transducer |
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