CN207265891U - Low-power consumption AC DC conversion switch circuits - Google Patents
Low-power consumption AC DC conversion switch circuits Download PDFInfo
- Publication number
- CN207265891U CN207265891U CN201720969216.8U CN201720969216U CN207265891U CN 207265891 U CN207265891 U CN 207265891U CN 201720969216 U CN201720969216 U CN 201720969216U CN 207265891 U CN207265891 U CN 207265891U
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- resistance
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- semiconductor
- triode
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Abstract
The utility model 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 cathode 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 regulator circuit and control chip.The structure setting of the utility model is reasonable, it can effectively complete the conversion before AC and DC by touch-switch, and when conversion circuit is in cut-off state, there is no current drain completely, so as to effectively reducing power consumption, stability in use is good, strong applicability and practicality is good.
Description
Technical field
The utility model belongs to field of circuit technology, and in particular to a kind of low-power consumption AC-DC conversion switch circuits.
Background technology
With the maturation of circuit engineering, various AC power supplies and DC power supply circuits are quickly grown, but the two in conventional art
Conversion circuit it is extremely complex, and its power consumption is higher, so applicability and practicality are restricted to a certain extent.
Utility model content
The purpose of this utility model is to provide the low-power consumption AC-DC conversions that a kind of structure setting is reasonable and stability in use is good
On-off circuit.
The technical solution for realizing the utility model aim is a kind of low-power consumption AC-DC conversion switch circuits, including charging electricity
Pond and dc power interface, the dc power interface are connected by the second unilateral diode with power output end, described straight
The positive terminal of galvanic electricity source interface is connected by the first unilateral diode with the cathode of rechargeable battery, is additionally provided with conversion circuit and control
Circuit processed, the conversion circuit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 56th resistance, the 7th unilateral diode, touch out
Pass, the 52nd resistance, the 53rd resistance, the 54th resistance, the first triode, the second triode, the 45th resistance,
57th resistance and the 6th resistance, the control circuit include regulator circuit and control chip, the drain electrode of first metal-oxide-semiconductor
It is connected on the cathode 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 leakage of the second metal-oxide-semiconductor
Pole is connected to power output end, and the grid of the first metal-oxide-semiconductor is connected with the grid of the second metal-oxide-semiconductor and by the 7th unilateral diode
It is connected on the cathode of dc power interface, the 56th resistance is connected between the source electrode and grid of the first metal-oxide-semiconductor, institute
The collector for stating the second triode is connected to the grid of the first metal-oxide-semiconductor by the 45th resistance, emitter is grounded and base stage is led to
The 57th resistance is crossed to be connected on the BTON pins of control chip, the 6th resistance be connected to the base stage of the second triode with
Between emitter, one end of the touch-switch be connected on the grid of the first metal-oxide-semiconductor the other end by the 52nd resistance with
It is grounded after 53 resistance series circuits, the base stage of first triode is connected to the 52nd resistance and the 53rd resistance
Tie point on, collector be connected to by the 54th resistance on power supply and emitter be grounded, the collection of first triode
Electrode is connected with the KEY pins 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 utility model has positive effect：The structure setting of the utility model is reasonable, it can have by touch-switch
Conversion before the completion AC and DC of effect, and when being in cut-off state in conversion circuit, completely without current drain, so that
Power consumption is effectively reduced, stability in use is good, strong applicability and practicality is good.
Brief description of the drawings
In order to be more likely to be clearly understood the content of the utility model, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein：
Fig. 1 is the electrical block diagram of the utility model.
Embodiment
(embodiment 1)
Fig. 1 shows a kind of embodiment of the utility model, and wherein Fig. 1 is that the circuit structure of the utility model shows
It is intended to.
See Fig. 1, a kind of low-power consumption AC-DC conversion switch circuits, 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 cathode of the dc power interface 2
End is connected by the first unilateral diode D1 with the cathode of rechargeable battery 1, is additionally provided with conversion circuit 3 and control circuit 4, 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 regulator circuit U2
With control chip U1, the drain electrode of the first metal-oxide-semiconductor Q2 is connected on the cathode of rechargeable battery 1, the source electrode of the first metal-oxide-semiconductor Q2 with
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 is connected to the cathode of dc power interface 2 by the 7th unilateral diode D7
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 pins 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
For R52 with being grounded after 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 to by the 54th resistance R54 on power vd D and emitter
Ground connection, the collector of the first triode Q14 are connected with the KEY pins 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 operation principle is summarized as follows：When using DC battery powereds, touch-switch SW2 is pressed, 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 pipes) Q3 to turn on；Battery, to PWIN ends, is given at the same time by two P Mos pipes power supplies
Voltage stabilizing chip U2 powers, and makes control chip U1 work；Control chip U1 provides a high level to BTON ends after the power is turned on, conducting the
Two triode Q13, by the electric current of R56 by the continuity of R45 and the second triode Q13, continue to turn on two P Mos pipes.When will
During shutdown, switch SW2 need to be only pressed again, turns on the first triode Q14, and order detection foot Key becomes low level from high level, i.e.,
Low level can be provided by control chip and give BTON feet, the second triode Q13 is turned off, so as to turn off the second metal-oxide-semiconductor (P Mos)
Q3, reaches powered-down function.
When AC electricity is powered, 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 makes the G pole tensions of P Mos pipes and the D of P Mos pipes Q3 by diode D7 at the same time with this
It is extremely equal, therefore Q2 and Q3 can not be turned on, and the battery powered branches of DC are disconnected so as to reach.
When system does not work, triode Q13, P Mos pipe are cut-off state, therefore depositing without consumption electric current completely
.
The structure setting of the utility model is reasonable, it can effectively complete the conversion before AC and DC by touch-switch,
And when being in cut-off state in conversion circuit, completely without current drain, so as to effectively reduce power consumption, use stabilization
Property is good, strong applicability and practicality is good.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still falls within this practicality
New protection domain.
Claims (3)
1. a kind of low-power consumption AC-DC conversion switch circuits, 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 cathode of rechargeable battery, it is characterised in that：Conversion circuit and control circuit are additionally provided with, 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 regulator circuit and control chip, and the drain electrode of first metal-oxide-semiconductor is connected to the cathode 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 is connected with the grid of the second metal-oxide-semiconductor and is connected to dc power interface by the 7th unilateral diode
On cathode, 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 are connected to by the 45th resistance to be connected to by the 57th resistance
On the BTON pins of control chip, the 6th resistance is connected between base stage and the emitter of the second triode, described to touch
One end of switch is connected to after the other end is by the 52nd resistance and 53 resistance series circuits on the grid of the first metal-oxide-semiconductor
Ground connection, the base stage of first triode be connected to the 52nd resistance with the tie point of the 53rd resistance, collector leads to
Cross that the 54th resistance is connected on power supply and emitter is grounded, the collector of first triode and the KEY of control chip
Pin is connected.
2. low-power consumption AC-DC conversion switch circuits 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 circuits 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 |
|---|---|---|---|
| CN201720969216.8U CN207265891U (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC DC conversion switch circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969216.8U CN207265891U (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC DC conversion switch circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265891U true CN207265891U (en) | 2018-04-20 |
Family
ID=61924435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969216.8U Withdrawn - After Issue CN207265891U (en) | 2017-08-04 | 2017-08-04 | Low-power consumption AC DC conversion switch circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391162A (en) * | 2017-08-04 | 2019-02-26 | 广东金莱特电器股份有限公司 | Low-power consumption AC-DC conversion switch circuit |
| CN110932546A (en) * | 2019-12-19 | 2020-03-27 | 广东金莱特电器股份有限公司 | Constant-power boost output regulating circuit and circuit control method thereof |
-
2017
- 2017-08-04 CN CN201720969216.8U patent/CN207265891U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391162A (en) * | 2017-08-04 | 2019-02-26 | 广东金莱特电器股份有限公司 | Low-power consumption AC-DC conversion switch circuit |
| CN109391162B (en) * | 2017-08-04 | 2024-07-02 | 广东金莱特电器股份有限公司 | Low-power consumption AC-DC conversion switch circuit |
| CN110932546A (en) * | 2019-12-19 | 2020-03-27 | 广东金莱特电器股份有限公司 | Constant-power boost output regulating circuit and circuit control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.21 Jintong Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Patentee after: Guangdong Xiaosong Technology Co.,Ltd. Country or region after: China Address before: No.21 Jintong Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Patentee before: KENNEDE Electronics MFG. Co., Ltd. Country or region before: China |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20240702 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20240702 |