CN109391162A - Low-power consumption AC-DC conversion switch circuit - Google Patents
Low-power consumption AC-DC conversion switch circuit Download PDFInfo
- Publication number
- CN109391162A CN109391162A CN201710662537.8A CN201710662537A CN109391162A CN 109391162 A CN109391162 A CN 109391162A CN 201710662537 A CN201710662537 A CN 201710662537A CN 109391162 A CN109391162 A CN 109391162A
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- Prior art keywords
- resistance
- oxide
- metal
- semiconductor
- triode
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- Pending
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 43
- 230000005611 electricity Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/2173—Conversion of ac power input into dc 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 in a biphase or polyphase circuit arrangement
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of low-power consumption AC-DC conversion switch circuits, including rechargeable battery and dc power interface, dc power interface is connected by the second unilateral diode with power output end, the positive terminal of dc power interface is connected by the first unilateral diode with the anode of rechargeable battery, it is additionally provided with conversion circuit and control circuit, the conversion circuit includes the first metal-oxide-semiconductor, second metal-oxide-semiconductor, 56th resistance, 7th unilateral diode, touch-switch, 52nd resistance, 53rd resistance, 54th resistance, first triode, second triode, 45th resistance, 57th resistance and the 6th resistance, the control circuit includes voltage regulator circuit and control chip.Structure setting of the invention is reasonable, the conversion before AC and DC can be effectively completed by touch-switch, and when conversion circuit is in off state, absolutely not current drain, to effectively reducing power consumption, stability in use is good, strong applicability and practicability is good.
Description
Technical field
The invention belongs to field of circuit technology, and in particular to a kind of low-power consumption AC-DC conversion switch circuit.
Background technique
With the maturation of circuit engineering, various AC power supplies and DC power supply circuit are quickly grown, however both in traditional technology
Conversion circuit it is extremely complex, and its power consumption is higher, so applicability and practicability are restricted to a certain extent.
Summary of the invention
The good low-power consumption AC-DC change-over switch of reasonable and stability in use the object of the present invention is to provide a kind of structure setting
Circuit.
The technical solution for realizing the object of the invention is a kind of low-power consumption AC-DC conversion switch circuit, including rechargeable battery and
Dc power interface, the dc power interface are connected by the second unilateral diode with power output end, the direct current
The positive terminal of source interface is connected by the first unilateral diode with the anode of rechargeable battery, and conversion circuit and control electricity are additionally provided with
Road, the conversion circuit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 56th resistance, the 7th unilateral diode, touch-switch,
52nd resistance, the 53rd resistance, the 54th resistance, the first triode, the second triode, the 45th resistance,
57 resistance and the 6th resistance, the control circuit include voltage regulator circuit and control chip, and the drain electrode of first metal-oxide-semiconductor connects
It connects on the anode of rechargeable battery, the source electrode of the first metal-oxide-semiconductor is connected with the source electrode of the second metal-oxide-semiconductor and the drain electrode of the second metal-oxide-semiconductor
It is connected to power output end, the grid of the first metal-oxide-semiconductor is connected with the grid of the second metal-oxide-semiconductor and passes through the 7th unilateral diode company
It connects on the anode of dc power interface, the 56th resistance is connected between the source electrode and grid of the first metal-oxide-semiconductor, described
The collector of second triode is connected to the grid of the first metal-oxide-semiconductor, emitter ground connection and base stage by the 45th resistance and passes through
57th resistance is connected on the BTON pin of control chip, and the 6th resistance is connected to the base stage and hair of the second triode
Between emitter-base bandgap grading, one end of the touch-switch is connected to the other end on the grid of the first metal-oxide-semiconductor and passes through the 52nd resistance and five
It is grounded after 13 resistance series circuits, the base stage of first triode is connected to the 52nd resistance and the 53rd resistance
On tie point, collector is connected on power supply by the 54th resistance and emitter is grounded, the current collection of first triode
Pole is connected with the KEY pin of control chip.
First metal-oxide-semiconductor and the second metal-oxide-semiconductor are PMOS tube.
First triode and the second triode are NPN type triode.
The present invention has the effect of positive: structure setting of the invention is reasonable, can effectively be completed by touch-switch
Conversion before AC and DC, and when conversion circuit is in off state, absolutely not current drain, to effectively drop
Low power consumption, stability in use is good, strong applicability and practicability is good.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, in which:
Fig. 1 is electrical block diagram of the invention.
Specific embodiment
(embodiment 1)
Fig. 1 shows a kind of specific embodiment of the invention, and wherein Fig. 1 is electrical block diagram of the invention.
See Fig. 1, a kind of low-power consumption AC-DC conversion switch circuit, including rechargeable battery 1 and dc power interface 2, it is described straight
Galvanic electricity source interface 2 is connected by the second unilateral diode D2 with power output end PWIN, the anode of the dc power interface 2
End is connected by the first unilateral diode D1 with the anode of rechargeable battery 1, and conversion circuit 3 and control circuit 4 are additionally provided with, described
Conversion circuit 3 includes the first metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor Q3, the 56th resistance R56, the 7th unilateral diode D7, touches out
Close SW2, the 52nd resistance R52, the 53rd resistance R53, the 54th resistance R54, the first triode Q14, the two or three pole
Pipe Q13, the 45th resistance R45, the 57th resistance R57 and the 6th resistance R6, the control circuit 4 include voltage regulator circuit U2
With control chip U1, the drain electrode of the first metal-oxide-semiconductor Q2 is connected on the anode of rechargeable battery 1, the source electrode of the first metal-oxide-semiconductor Q2 and
The source electrode of second metal-oxide-semiconductor Q3 is connected and the drain electrode of the second metal-oxide-semiconductor Q3 is connected to power output end PWIN, the first metal-oxide-semiconductor Q2's
Grid is connected with the grid of the second metal-oxide-semiconductor Q3 and passes through the anode that the 7th unilateral diode D7 is connected to dc power interface 2
On, the 56th resistance R56 is connected between the source electrode and grid of the first metal-oxide-semiconductor Q2, the collection of the second triode Q13
Electrode is connected to the grid of the first metal-oxide-semiconductor Q2, emitter ground connection and base stage by the 45th resistance R45 and passes through the 57th electricity
Resistance R57 is connected on the BTON pin of control chip U1, and the 6th resistance R6 is connected to the base stage and hair of the second triode Q13
Between emitter-base bandgap grading, one end of the touch-switch SW2 is connected to the other end on the grid of the first metal-oxide-semiconductor Q2 and passes through the 52nd resistance
It is grounded after R52 and 53 resistance R53 series circuits, the base stage of the first triode Q14 is connected to the 52nd resistance R52
With on the tie point of the 53rd resistance R53, collector is connected on power vd D by the 54th resistance R54 and emitter
The collector of ground connection, the first triode Q14 is connected with the KEY pin of control chip U2.
First metal-oxide-semiconductor and the second metal-oxide-semiconductor are PMOS tube.
First triode and the second triode are NPN type triode.
Its working principle is summarized as follows: when powering using DC battery, pressing touch-switch SW2, electric current is managed by P Mos
Built-in backward dioded, resistance R56, switch SW2, resistance R52 and R53, make between resistance R56 that there are an electricity by partial pressure
Pressure value, so as to cause the second metal-oxide-semiconductor (P Mos pipe) Q3 conducting；Battery, to the end PWIN, is given simultaneously by two P Mos pipe power supplies
Voltage stabilizing chip U2 power supply enables control chip U1 work；Control chip U1 provides a high level to the end BTON after powering on, be connected the
Two triode Q13 pass through the continuity of R45 and the second triode Q13 by the electric current of R56, continue that two P Mos pipe is connected.When wanting
When shutdown, switch SW2 need to be only pressed again, the first triode Q14 is connected, and enable detection foot Key become low level from high level, i.e.,
Low level can be provided by control chip and give BTON foot, turn off the second triode Q13, thus shutdown the second metal-oxide-semiconductor (P Mos)
Q3 reaches powered-down function.
When the power supply of AC electricity, VCC is charged the battery by diode D1 and resistance R1, while VCC is supplied by diode D2
PWIN is supplied electricity to, opening control system, VCC enables the G pole tension of P Mos pipe and the D of P Mos pipe Q3 by diode D7 simultaneously with this
It is extremely equal, therefore Q2 and Q3 can not be connected, and disconnect the battery powered branch of DC to reach.
When system does not work, triode Q13, P Mos pipe are off state, therefore absolutely not consume depositing for electric current
?.
Structure setting of the invention is reasonable, and the conversion before AC and DC can be effectively completed by touch-switch, and
When conversion circuit is in off state, absolutely not current drain, so that power consumption is effectively reduced, stability in use
It is good, strong applicability and practicability is good.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the obvious changes or variations that connotation of the invention is extended out and still falls within protection scope of the present invention.
Claims (3)
1. a kind of low-power consumption AC-DC conversion switch circuit, including rechargeable battery and dc power interface, the dc power interface
It is connected by the second unilateral diode with power output end, the positive terminal of the dc power interface passes through the first unidirectional two pole
Pipe is connected with the anode of rechargeable battery, it is characterised in that: is additionally provided with conversion circuit and control circuit, the conversion circuit includes
First metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 56th resistance, the 7th unilateral diode, touch-switch, the 52nd resistance, the 50th
Three resistance, the 54th resistance, the first triode, the second triode, the 45th resistance, the 57th resistance and the 6th electricity
Resistance, the control circuit include voltage regulator circuit and control chip, and the drain electrode of first metal-oxide-semiconductor is connected to the anode of rechargeable battery
On, the source electrode of the first metal-oxide-semiconductor is connected with the source electrode of the second metal-oxide-semiconductor and the drain electrode of the second metal-oxide-semiconductor is connected to power output end, the
The grid of one metal-oxide-semiconductor, which is connected with the grid of the second metal-oxide-semiconductor and passes through the 7th unilateral diode, is connected to dc power interface
On anode, the 56th resistance is connected between the source electrode and grid of the first metal-oxide-semiconductor, the collector of second triode
The grid of the first metal-oxide-semiconductor, emitter ground connection and base stage is connected to by the 45th resistance to be connected to by the 57th resistance
On the BTON pin for controlling chip, the 6th resistance is connected between the base stage and emitter of the second triode, described to touch
After one end of switch is connected on the grid of the first metal-oxide-semiconductor the other end by the 52nd resistance and 53 resistance series circuits
Ground connection, the base stage of first triode is connected on the tie point of the 52nd resistance and the 53rd resistance, collector is logical
Cross that the 54th resistance is connected on power supply and emitter is grounded, the KEY of the collector of first triode and control chip
Pin is connected.
2. low-power consumption AC-DC conversion switch circuit according to claim 1, it is characterised in that: first metal-oxide-semiconductor and
Two metal-oxide-semiconductors are PMOS tube.
3. low-power consumption AC-DC conversion switch circuit according to claim 2, it is characterised in that: first triode and
Second triode is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662537.8A CN109391162A (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC-DC conversion switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662537.8A CN109391162A (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC-DC conversion switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109391162A true CN109391162A (en) | 2019-02-26 |
Family
ID=65412933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710662537.8A Pending CN109391162A (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC-DC conversion switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109391162A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764446A (en) * | 2019-10-23 | 2020-02-07 | 重庆梅安森科技股份有限公司 | Chip peripheral circuit of integrated on-off control circuit |
| CN112688681A (en) * | 2020-12-25 | 2021-04-20 | 上海星融汽车科技有限公司 | Bus switching circuit based on MOS |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325344A (en) * | 2008-07-18 | 2008-12-17 | 徐剑雄 | Low wind velocity charging controller for minitype wind power generator |
| CN202975671U (en) * | 2012-12-14 | 2013-06-05 | 浙江明烁电子科技有限公司 | Multi-output control circuit |
| CN203481901U (en) * | 2013-08-27 | 2014-03-12 | 崧顺电子（深圳）有限公司 | Zero-load low-loss battery charging circuit |
| CN104601015A (en) * | 2014-01-14 | 2015-05-06 | 深圳市稳先微电子有限公司 | Flyback AC-DC converter |
| US20170047727A1 (en) * | 2014-02-27 | 2017-02-16 | Nr Electric Co., Ltd | Direct-current power transmission protection device, converter and protection method |
| CN206099472U (en) * | 2016-06-12 | 2017-04-12 | 广东金莱特电器股份有限公司 | Novel charge and cut off load operating circuit |
| CN206349807U (en) * | 2016-12-30 | 2017-07-21 | 广东金莱特电器股份有限公司 | A kind of new A C/DC automatic switching control circuits |
| CN207265891U (en) * | 2017-08-04 | 2018-04-20 | 广东金莱特电器股份有限公司 | Low-power consumption AC DC conversion switch circuits |
-
2017
- 2017-08-04 CN CN201710662537.8A patent/CN109391162A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325344A (en) * | 2008-07-18 | 2008-12-17 | 徐剑雄 | Low wind velocity charging controller for minitype wind power generator |
| CN202975671U (en) * | 2012-12-14 | 2013-06-05 | 浙江明烁电子科技有限公司 | Multi-output control circuit |
| CN203481901U (en) * | 2013-08-27 | 2014-03-12 | 崧顺电子（深圳）有限公司 | Zero-load low-loss battery charging circuit |
| CN104601015A (en) * | 2014-01-14 | 2015-05-06 | 深圳市稳先微电子有限公司 | Flyback AC-DC converter |
| US20170047727A1 (en) * | 2014-02-27 | 2017-02-16 | Nr Electric Co., Ltd | Direct-current power transmission protection device, converter and protection method |
| CN206099472U (en) * | 2016-06-12 | 2017-04-12 | 广东金莱特电器股份有限公司 | Novel charge and cut off load operating circuit |
| CN206349807U (en) * | 2016-12-30 | 2017-07-21 | 广东金莱特电器股份有限公司 | A kind of new A C/DC automatic switching control circuits |
| CN207265891U (en) * | 2017-08-04 | 2018-04-20 | 广东金莱特电器股份有限公司 | Low-power consumption AC DC conversion switch circuits |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764446A (en) * | 2019-10-23 | 2020-02-07 | 重庆梅安森科技股份有限公司 | Chip peripheral circuit of integrated on-off control circuit |
| CN110764446B (en) * | 2019-10-23 | 2022-10-04 | 重庆梅安森科技股份有限公司 | Chip peripheral circuit of integrated on-off control circuit |
| CN112688681A (en) * | 2020-12-25 | 2021-04-20 | 上海星融汽车科技有限公司 | Bus switching circuit based on MOS |
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