CN107093961A - The device and its control method of a kind of small-power low pressure inversion boosting - Google Patents
The device and its control method of a kind of small-power low pressure inversion boosting Download PDFInfo
- Publication number
- CN107093961A CN107093961A CN201710481279.3A CN201710481279A CN107093961A CN 107093961 A CN107093961 A CN 107093961A CN 201710481279 A CN201710481279 A CN 201710481279A CN 107093961 A CN107093961 A CN 107093961A
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- Prior art keywords
- transformer
- channel fet
- voltage
- integrated chip
- boosting
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000004321 preservation Methods 0.000 abstract description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission 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
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a kind of device of small-power low pressure inversion boosting and its control method, it is related to low pressure inversion boosting technical field, integrated chip is connected to the output end of low-voltage dc power supply, two N-channel FETs are parallel between integrated chip and transformer, one of N-channel FET front end series connection not circuit, two primary ends front end are respectively connecting to two N-channel FET tail ends, and two primary end tail ends are respectively connecting to transformer common port U0Two ends；By two N-channel FETs, periodically conducting and interruption and interruption and conducting produce alternately inverted self induction electromotive force to the present invention respectively under the driving of two-way square-wave pulse signal, make to produce corresponding high AC voltage in boosting AC transformer, device is simply portable, it is easy to carry transport；Security is higher, the risk even if direct body contact does not get an electric shock, and boosting is stable, is particularly suitable for use in small-power preservation device.
Description
Technical field
The present invention relates to low pressure inversion boosting technical field, and in particular to a kind of boosting for small power DC low pressure is filled
Put.
Background technology
Refrigerator is a kind of refrigeration plant for keeping constant low temperature, be in life common one kind be used for low-temperature preservation food or
The electrical equipment of other articles, is widely used in life, industrial circle.At present, carried with the development of science and technology with living standard
Height, user, which does not require nothing more than refrigerator, has the function of food preservation, also requires that refrigerator can realize the fresh-keeping of food.At present, mainly
By setting sheet metal in the storage area of refrigerator, by by high-voltage transmission to conductive sheet metal, being produced around it
Electrostatic field, makes the hydrone in food in order, equably be shaken in the presence of electric field, flow to reach fresh-keeping function.But
Traditional preservation device is energized using 220V AC powers, and direct body contact's device has the risk of electric shock, is existed in use
Potential safety hazard.Meanwhile, 220V AC powers can not be carried, in the environment without 220V AC powers, and refrigerator will lose
Fresh-keeping function.
The content of the invention
The present invention precisely in order to the weak point for avoiding present in above-mentioned prior art there is provided a kind of small-power low pressure is inverse
Become the device and its control method of boosting.
The present invention adopts the following technical scheme that to solve technical problem：A kind of device of small-power low pressure inversion boosting, bag
Low-voltage dc power supply, integrated chip, not circuit, the first N-channel FET, the second N-channel FET and boosting is included to hand over
Convertor transformer, the integrated chip is connected to the output end of the low-voltage dc power supply, for DC voltage to be converted into square wave
Pulse signal, the first N-channel FET and the second N-channel FET be parallel to the integrated chip with it is described
Between transformer, the first N-channel FET front end is connected the not circuit, the front end of primary end one and
The front end of primary end two is respectively connecting to the first N-channel FET and the second N-channel FET
Tail end, the tail end of primary end one and the tail end of primary end two are respectively connecting to the transformer common port
Two ends, the integrated chip exports square-wave pulse signal to the first N ditches respectively through or without the not circuit
Road FET and the second N-channel FET, the transformer common port be superimposed produce alternating direction from electrification
Kinetic potential, and in it is described boosting AC transformer in produce alternating direction sensing booster voltage.
Further, the first grid and second of the first N-channel FET and the second N-channel FET
Grid is connected respectively through or without the not circuit with the integrated chip, first drain electrode and second drain respectively with change
The front end of depressor primary side one and the primary end two are connected, the first source electrode and the second source ground.
A kind of control method of the device of small-power low pressure inversion boosting, comprises the following steps：
1) low-voltage dc power supply exports low-voltage DC to integrated chip, and integrated chip is converted into predeterminated frequency s, accounted for
The square-wave pulse signal that sky ratio is 50%, wherein, predeterminated frequency s is 20~100Hz；
2) integrated chip exports the square-wave pulse signal with or without not circuit to two transistors respectively；
3) the first N-channel FET and the second N-channel FET are all respectively under the driving of two-way square-wave pulse signal
The conducting of phase property and interruption and interruption and conducting, periodically form transformer common port to the electricity in the direction of primary end one
Flow and produce self induction electromotive force or form transformer common port to the electric current in the direction of primary end two and to be produced from electrification dynamic
Gesture；
4) the opposite electric current of alternating direction is formed in transformer, and produces alternate self induction electromotive force in opposite direction；
5) corresponding high AC voltage is produced in boosting AC transformer；
6) repeat step 1)~5), the AC high voltage stablized.
The invention provides a kind of device of small-power low pressure inversion boosting and its control method, with following beneficial effect
Really：
1st, the periodically conducting and interruption respectively under the driving of two-way square-wave pulse signal by two N-channel FETs
And interruption and conducting produce alternately inverted self induction electromotive force, make to produce corresponding High Level AC Voltage in boosting AC transformer
Pressure, device is simply portable, it is easy to carry transport；
2nd, input is low-voltage dc power supply, and security is higher, the risk even if direct body contact does not get an electric shock, and boosting is steady
It is fixed, it is particularly suitable for use in small-power preservation device；
3rd, overall volume is small, simple in construction, it is easy to the integrally-built design of refrigerator, occupies little space, has little influence on ice
The capacity and space availability ratio of case.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the first N-channel FET TR of the invention1Structural representation；
Fig. 3 is control flow schematic diagram of the invention.
In figure：
TR1, the first N-channel FET, G1, first grid, S1First source electrode, D1First drain electrode；TR2, the second N-channel
Effect pipe, G2, second grid, S2Second source electrode, D2Second drain electrode；A, primary end one, B, primary end two, U0、
Transformer common port；T1, boosting AC transformer.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
As shown in Fig. 1~Fig. 2, its structural relation is：Including low-voltage dc power supply, integrated chip, not circuit, the first N
Channel field-effect pipe TR1, the second N-channel FET TR2And boosting AC transformer T1, integrated chip is connected to low-voltage direct
The output end of power supply, for DC voltage to be converted into square-wave pulse signal, the first N-channel FET TR1With the second N-channel
FET TR2It is parallel between integrated chip and transformer, the first N-channel FET TR1Front end series connection not circuit, becomes
The A front ends of depressor primary side one and the B front ends of primary end two are respectively connecting to the first N-channel FET TR1With the 2nd N ditches
Road FET TR2It is public that tail end, the A tail ends of primary end one and the B tail ends of primary end two are respectively connecting to transformer
U is held altogether0Square-wave pulse signal is exported to the first N-channel and imitated by two ends, integrated chip respectively through or without not circuit
Should pipe TR1With the second N-channel FET TR2, in transformer common port U0Superposition produces the self induction electromotive force of alternating direction, and
In boosting AC transformer T1The middle sensing booster voltage for producing alternating direction.
It is preferred that, the first N-channel FET TR1With the second N-channel FET TR2First grid G1And second gate
Pole G2It is connected respectively through or without not circuit with integrated chip, the first drain D1With the second drain D2Respectively with transformer
The A front ends of primary side one and the B connections of primary end two, the first source S1With the second source S2Ground connection.
As shown in figure 3, when specifically used, its control process comprises the following steps：
1) low-voltage dc power supply exports low-voltage DC to integrated chip, and integrated chip is converted into predeterminated frequency s, accounted for
The square-wave pulse signal that sky ratio is 50%, wherein, predeterminated frequency s is 20~100Hz；
2) integrated chip exports the square-wave pulse signal with or without not circuit to two transistors respectively；
3) the first N-channel FET TR1With the second N-channel FET TR2Under the driving of two-way square-wave pulse signal,
Periodically turn on respectively and be interrupted and be interrupted and turn on, periodically form transformer common port U0To primary end one
The electric current in A directions simultaneously produces self induction electromotive force or forms transformer common port U0To the B directions of primary end two electric current simultaneously
Produce self induction electromotive force；
4) the opposite electric current of alternating direction is formed in transformer, and produces alternate self induction electromotive force in opposite direction；
5) boosting AC transformer T1It is middle to produce corresponding high AC voltage；
6) repeat step 1)~5), the AC high voltage stablized.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a kind of device of small-power low pressure inversion boosting, it is characterised in that：Including low-voltage dc power supply, integrated chip, NOT gate
Circuit, the first N-channel FET TR1, the second N-channel FET TR2And boosting AC transformer T1, the integrated chip
The output end of the low-voltage dc power supply is connected to, for DC voltage to be converted into square-wave pulse signal, first N-channel
FET TR1With the second N-channel FET TR2It is parallel between the integrated chip and the transformer, described
One N-channel FET TR1At the beginning of the front end series connection not circuit, the A front ends of primary end one and the transformer
The level B front ends of end two are respectively connecting to the first N-channel FET TR1With the second N-channel FET TR2Tail end, institute
State the A tail ends of primary end one and the B tail ends of the primary end two are respectively connecting to the transformer common port U0Two
End, the integrated chip exports square-wave pulse signal to first N-channel respectively through or without the not circuit
FET TR1With the second N-channel FET TR2, in the transformer common port U0Superposition produces oneself of alternating direction
Induction electromotive force, and in the boosting AC transformer T1The middle sensing booster voltage for producing alternating direction.
2. a kind of device of small-power low pressure inversion boosting according to claim 1, it is characterised in that：The first N ditches
Road FET TR1With the second N-channel FET TR2First grid G1With second grid G2Respectively through or without
Cross the not circuit to be connected with the integrated chip, the first drain D1With the second drain D2Respectively with before the A of primary end one
End and the B connections of primary end two, the first source S1With the second source S2Ground connection.
3. a kind of control method of the device of small-power low pressure inversion boosting, it is characterised in that comprise the following steps：
1) low-voltage dc power supply exports low-voltage DC to integrated chip, and integrated chip is converted into predeterminated frequency s, dutycycle
For 50% square-wave pulse signal, wherein, predeterminated frequency s is 20~100Hz；
2) integrated chip exports the square-wave pulse signal with or without not circuit to two transistors respectively；
3) the first N-channel FET TR1With the second N-channel FET TR2Under the driving of two-way square-wave pulse signal, respectively
Periodically conducting and interruption and interruption and conducting, periodically form transformer common port U0To the A side of primary end one
To electric current and produce self induction electromotive force or form transformer common port U0Electric current and generation to the B directions of primary end two
Self induction electromotive force；
4) the opposite electric current of alternating direction is formed in transformer, and produces alternate self induction electromotive force in opposite direction；
5) boosting AC transformer T1It is middle to produce corresponding high AC voltage；
6) repeat step 1)~5), the AC high voltage stablized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481279.3A CN107093961A (en) | 2017-06-22 | 2017-06-22 | The device and its control method of a kind of small-power low pressure inversion boosting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481279.3A CN107093961A (en) | 2017-06-22 | 2017-06-22 | The device and its control method of a kind of small-power low pressure inversion boosting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107093961A true CN107093961A (en) | 2017-08-25 |
Family
ID=59640782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710481279.3A Pending CN107093961A (en) | 2017-06-22 | 2017-06-22 | The device and its control method of a kind of small-power low pressure inversion boosting |
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| Country | Link |
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| CN (1) | CN107093961A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050275310A1 (en) * | 2002-06-21 | 2005-12-15 | Renault S.A.S. | Method for eletronic operation of a control device for an ultrasound piezoelectric actuator |
| US20080106920A1 (en) * | 2006-11-03 | 2008-05-08 | Innocom Technology (Shenzhen) Co., Ltd. | Inverter circuit with transformer having balanceable input currents |
| CN201248185Y (en) * | 2008-07-18 | 2009-05-27 | 深圳市中联数源电子有限公司 | Inverter for current error protection cold-cathode tube |
| CN201878037U (en) * | 2010-07-13 | 2011-06-22 | 柏德胜 | Voltage source push-pull type inverter |
| CN102280999A (en) * | 2011-07-19 | 2011-12-14 | 郁百超 | Micro power consumption electric automobile power system |
-
2017
- 2017-06-22 CN CN201710481279.3A patent/CN107093961A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050275310A1 (en) * | 2002-06-21 | 2005-12-15 | Renault S.A.S. | Method for eletronic operation of a control device for an ultrasound piezoelectric actuator |
| US20080106920A1 (en) * | 2006-11-03 | 2008-05-08 | Innocom Technology (Shenzhen) Co., Ltd. | Inverter circuit with transformer having balanceable input currents |
| CN201248185Y (en) * | 2008-07-18 | 2009-05-27 | 深圳市中联数源电子有限公司 | Inverter for current error protection cold-cathode tube |
| CN201878037U (en) * | 2010-07-13 | 2011-06-22 | 柏德胜 | Voltage source push-pull type inverter |
| CN102280999A (en) * | 2011-07-19 | 2011-12-14 | 郁百超 | Micro power consumption electric automobile power system |
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Application publication date: 20170825 |