CN206517299U - A kind of high-frequency and low-consumption boost module - Google Patents
A kind of high-frequency and low-consumption boost module Download PDFInfo
- Publication number
- CN206517299U CN206517299U CN201720249295.5U CN201720249295U CN206517299U CN 206517299 U CN206517299 U CN 206517299U CN 201720249295 U CN201720249295 U CN 201720249295U CN 206517299 U CN206517299 U CN 206517299U
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- Prior art keywords
- filter capacitor
- pin
- schottky diode
- boost chip
- pull
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- 239000003990 capacitor Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses and provides a kind of simple efficient, low cost, the high-frequency and low-consumption boost module being easy to install and maintain, it includes input power, boost chip, pull-up resistor, feedback resistance, Schottky diode, feed-forward capacitance, filter capacitor I and filter capacitor II, resonant inductance, the positive pole of input power connects one end of resonant inductance, filter capacitor I one end, 4th pin of boost chip and the 5th pin, the negative pole connection filter capacitor I of the input power other end, 2nd pin of boost chip, one end of feedback resistance, filter capacitor II one end, circuit holding altogether, the other end of resonant inductance connects the 1st pin of boost chip, the positive pole of Schottky diode, the negative pole connection pull-up resistor of Schottky diode, the other end and circuit output end Vout of feed-forward capacitance and filter capacitor II, the other end of pull-up resistor connects the other end of feedback resistance.The utility model can be applied to the distribution automation terminal device field of power system.
Description
Technical field
The utility model is related to a kind of high-frequency and low-consumption boost module.
Background technology
With society and expanding economy, people are to power supply reliability, the quality of power supply, the service quality of power department and effect
The requirement more and more higher of rate etc., the construction of distribution automation system also just becomes the necessarily choosing of domestic various regions electric administrative department
Select.
However, what traditional general charging circuit in divide-shut brake loop storage capacitor of distribution automation terminal device was used
It is multiple batteries series boosting, this circuit volume is big, short life, cost is high, the processing of refuse battery is also a problem.With boosting
Module can easily solve these problems, only need a batteries to meet the charging of divide-shut brake storage capacitor.
The content of the invention
Technical problem to be solved in the utility model is to overcome the shortcomings of existing product, provides a kind of simple efficient, low
Cost, the high-frequency and low-consumption boost module being easy to install and maintain.
The technical scheme that the utility model is used is：A kind of high-frequency and low-consumption boost module, it includes input power, risen
Press chip, pull-up resistor, feedback resistance, Schottky diode, feed-forward capacitance, filter capacitor I and filter capacitor II, resonance electricity
Sense, the positive pole of the input power connects one end, one end of the filter capacitor I, the boost chip of the resonant inductance
The 4th pin and the 5th pin, the negative pole of the input power connects the other end of the filter capacitor I, the 2nd of the boost chip the
Pin, one end of the feedback resistance, one end of the filter capacitor II, circuit holding altogether, the other end of the resonant inductance connect
The 1st pin, the positive pole of the Schottky diode of the boost chip are connect, the negative pole of the Schottky diode is connected on described
One end of pull-up resistor, one end of the feed-forward capacitance, the other end of the filter capacitor II, circuit output end Vout, it is described on
The other end of pull-up resistor connects the other end of the feedback resistance, and the other end of the feed-forward capacitance connects the boost chip
3rd pin.
Include MOS switch pipe, reverse-biased section of the Schottky diode during MOS switch pipe conducting in the boost chip
Only, the Schottky diode forward conduction during MOS switch pipe shut-off.
The beneficial effects of the utility model are：Due to the utility model, it includes input power, boost chip, pull-up electricity
Resistance, feedback resistance, Schottky diode, feed-forward capacitance, filter capacitor I and filter capacitor II, resonant inductance, the input electricity
The positive pole in source connects one end, one end of the filter capacitor I, the 4th pin and the 5th of the boost chip of the resonant inductance
Pin, the negative pole of the input power connects the other end, the 2nd pin of the boost chip, the feedback of the filter capacitor I
One end of resistance, one end of the filter capacitor II, circuit holding altogether, the other end of the resonant inductance connect the boosting
The 1st pin, the positive pole of the Schottky diode of chip, the negative pole of the Schottky diode connect the one of the pull-up resistor
End, one end of the feed-forward capacitance, the other end of the filter capacitor II, circuit output end Vout, the pull-up resistor it is another
One end connects the other end of the feedback resistance, and the other end of the feed-forward capacitance connects the 3rd pin of the boost chip.It is described
Include MOS switch pipe in boost chip, the Schottky diode reverse-biased cut-off during the MOS switch pipe conducting, the MOS is opened
Schottky diode forward conduction when closing pipe shut-off.3.6V lithium batteries BT1 directly with boost chip UNICOM, through boosting core
Inside piece after MOS switch pipe closure, inductance converts electrical energy into magnetic field energy and stored, and inductance is by storage after MOS disconnects
Magnetic field energy is converted to electric field energy, and this energy is obtained after after being superimposed with input supply voltage by the filtering of diode and electric capacity
Load is supplied to smooth DC voltage, because the magnetic figured stone that this voltage is input supply voltage and inductance can be converted to electric energy
Superposition after formed, so output voltage is higher than the completion of input voltage, both boost process.So the utility model is a kind of
New has simple efficient, low cost, the high-frequency and low-consumption boost module being easy to install and maintain.
Brief description of the drawings
Fig. 1 is the utility model circuit principle structure schematic diagram.
Embodiment
As shown in figure 1, the utility model it include input power BT1, boost chip U1, pull-up resistor R1, feedback resistance
R2, Schottky diode D1, feed-forward capacitance C2, filtered electrical IC1 and filter capacitor IIC3, resonant inductance L1, the input electricity
Source BT1 positive pole connects one end, one end of the filter capacitor I C1, the boost chip of the resonant inductance L1
U1 the 4th pin and the 5th pin, the negative pole of the input power BT1 connect the other end of the filter capacitor I C1, the boosting
Chip U1 the 2nd pin, one end of the feedback resistance R2, one end of the filter capacitor II C3, circuit holding altogether, institute
The other end for stating resonant inductance L1 connects the 1st pin, the positive pole of the Schottky diode D1 of the boost chip U1,
The negative pole of the Schottky diode D1 connects one end of the pull-up resistor R1, the one of the feed-forward capacitance C2
End, the other end of the filter capacitor II C3, circuit output end Vout, the pull-up resistor R1 other end connect described
The feedback resistance R2 other end, the other end of the feed-forward capacitance C2 connects the 3rd pin of the boost chip U1.
Include MOS switch pipe in the boost chip U1, the Schottky diode D1 is anti-during the MOS switch pipe conducting
Cut-off partially, the Schottky diode D1 forward conductions during MOS switch pipe shut-off.
The utility model implements process and is in the present embodiment：3.6V lithium batteries BT1 directly with boost chip U1 UNICOMs,
After MOS switch pipe closure inside boost chip, inductance L1 converts electrical energy into magnetic field energy and stored, after MOS disconnects
The magnetic field energy of storage is converted to electric field energy by inductance, and this energy after being superimposed with input supply voltage by diode D1 and
Smooth DC voltage is obtained after electric capacity C3 filtering and is supplied to load, because this voltage is input supply voltage and inductance
Magnetic figured stone can be converted to what is formed after the superposition of electric energy, so output voltage is higher than the completion of input voltage, both boost process.It is described
Schottky diode D1 mainly plays isolation rectification, i.e., when MOS switch pipe is closed, the cathode voltage ratio of Schottky diode
Negative electricity is forced down, now the reverse-biased cut-off of diode, is made the thermal energy storage process of this inductance and is not influenceed output capacitor to the normal of load
Power supply；Because when metal-oxide-semiconductor disconnects, the energy after two kinds of superpositions is powered to the load by diode, and now diode forward is turned on,
Filtered capacitor filtering obtains a smooth voltage, and then output voltage feeds back to core by R1 and R2 proportion resistor partial pressure
Piece, chip adjusts the dutycycle of output square wave by calculating, so that output voltage stabilization is in 24V.
The utility model can be applied to the distribution automation terminal device field of power system.
Claims (2)
1. a kind of high-frequency and low-consumption boost module, it is characterised in that：It includes input power（BT1）, boost chip（U1）, pull-up
Resistance（R1）, feedback resistance（R2）, Schottky diode（D1）, feed-forward capacitance（C2）, filter capacitor I（C1）With filter capacitor II
（C3）, resonant inductance（L1）, the input power（BT1）Positive pole connect the resonant inductance（L1）One end, the filtering
Electric capacity I（C1）One end, the boost chip（U1）The 4th pin and the 5th pin, the input power（BT1）Negative pole connection institute
State filter capacitor I（C1）The other end, the boost chip（U1）The 2nd pin, the feedback resistance（R2）One end, the filter
Ripple electric capacity II（C3）One end, circuit holding altogether, the resonant inductance（L1）The other end connect the boost chip（U1）'s
1st pin, the Schottky diode（D1）Positive pole, the Schottky diode（D1）Negative pole connect the pull-up resistor
（R1）One end, the feed-forward capacitance（C2）One end, the filter capacitor II（C3）The other end, circuit output end Vout,
The pull-up resistor（R1）The other end connect the feedback resistance（R2）The other end, the feed-forward capacitance（C2）The other end
Connect the boost chip（U1）The 3rd pin.
2. a kind of high-frequency and low-consumption boost module according to claim 1, it is characterised in that：The boost chip（U1）It is interior
Including MOS switch pipe, the Schottky diode during MOS switch pipe conducting（D1）Reverse-biased cut-off, the MOS switch pipe is closed
Schottky diode when disconnected（D1）Forward conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249295.5U CN206517299U (en) | 2017-03-15 | 2017-03-15 | A kind of high-frequency and low-consumption boost module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720249295.5U CN206517299U (en) | 2017-03-15 | 2017-03-15 | A kind of high-frequency and low-consumption boost module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517299U true CN206517299U (en) | 2017-09-22 |
Family
ID=59870454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720249295.5U Expired - Fee Related CN206517299U (en) | 2017-03-15 | 2017-03-15 | A kind of high-frequency and low-consumption boost module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
| CN110005600A (en) * | 2019-03-25 | 2019-07-12 | 厦门标迪电器有限公司 | A kind of control circuit and control method of accurate control air pump pressure and flow |
-
2017
- 2017-03-15 CN CN201720249295.5U patent/CN206517299U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343635A (en) * | 2018-11-15 | 2019-02-15 | 南京铁道职业技术学院 | A kind of microminiature power circuit |
| CN110005600A (en) * | 2019-03-25 | 2019-07-12 | 厦门标迪电器有限公司 | A kind of control circuit and control method of accurate control air pump pressure and flow |
| CN110005600B (en) * | 2019-03-25 | 2024-05-24 | 厦门标迪电器有限公司 | Control circuit and control method for precisely controlling pressure and flow of air pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170922 |