CN208226670U - A kind of active and standby power conversion circuit of low-power consumption - Google Patents
A kind of active and standby power conversion circuit of low-power consumption Download PDFInfo
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- CN208226670U CN208226670U CN201820821503.9U CN201820821503U CN208226670U CN 208226670 U CN208226670 U CN 208226670U CN 201820821503 U CN201820821503 U CN 201820821503U CN 208226670 U CN208226670 U CN 208226670U
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- 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
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses a kind of active and standby power conversion circuits of low-power consumption, and for solving the excessively high technical problem of existing active and standby power conversion circuit energy consumption, structure includes: metal-oxide-semiconductor Q1, body diode D3, further includes: control module；The drain electrode of the metal-oxide-semiconductor Q1 is connected with standby electric power connector end；The drain electrode of the metal-oxide-semiconductor Q1 is electrically connected with the anode of the body diode D3；The source electrode of the metal-oxide-semiconductor Q1 is electrically connected with the cathode of the body diode D3；The grid of the metal-oxide-semiconductor Q1 is electrically connected with the control module；The source electrode of the metal-oxide-semiconductor Q1 is connected with main electric power circuit connecting pin and power output end OUT.The utility model is by providing a kind of active and standby power conversion circuit of low-power consumption, the operation power consumption of existing active and standby power conversion circuit can further be reduced, the fever for reducing electronic component under high current environment facilitates the service life for extending peripheral circuit, promotes the job stability of peripheral circuit.
Description
Technical field
The utility model relates to circuit protection technical field more particularly to a kind of active and standby power conversion circuits of low-power consumption.
Background technique
Active and standby power conversion circuit in the prior art shown in Fig. 1, connection one diode of setting in main electric power circuit
D2 is connected with another diode D1 in standby electric power circuit.Under use state standby electricity power supply always in an ON state, when
When main electricity power circuit is connected, the voltage official post diode D2 positioned at diode D2 anode and cathode is connected, at this time diode D1
Cathode voltage is greater than anode voltage, diode D1 cut-off, and then reaches only by the technical effect of main electric power circuit power supply；Work as master
When electric power circuit access failure, diode D2 cathode voltage is greater than anode voltage, causes diode D2 to end, at this time diode D1
Anode, cathode voltage difference can satisfy diode D1 conducting, and standby electricity power supply starts to power.
The no matter main electric power circuit of active and standby power conversion circuit in the prior art or standby electric power circuit are being in work
When state, in the conductive state in the presence of a diode, the diode of constant conduction can consume a large amount of electric energy, and then to upper
The Energy in use for stating circuit causes adverse effect.
Therefore it provides a kind of active and standby power conversion circuit just becomes those skilled in the art for reducing the energy consumption of foregoing circuit
Member's urgent problem to be solved.
Utility model content
The purpose of the utility model is to provide a kind of active and standby power conversion circuits of low-power consumption, for solving existing active and standby electricity conversion
The excessively high technical problem of circuit energy consumption.
To achieve the goals above: the utility model provides a kind of active and standby power conversion circuit of low-power consumption, including metal-oxide-semiconductor Q1,
Body diode D3, further includes: control module；The drain electrode of the metal-oxide-semiconductor Q1 is connected with standby electric power connector end；The metal-oxide-semiconductor Q1
Drain electrode be electrically connected with the anode of the body diode D3；The cathode of the source electrode of the metal-oxide-semiconductor Q1 and the body diode D3 electricity
Connection；The grid of the metal-oxide-semiconductor Q1 is electrically connected with the control module；The source electrode of the metal-oxide-semiconductor Q1 is connected with main electric power supply electricity
Road connecting pin and power output end OUT.
Preferably, the control module is single-chip microcontroller or PLC.
Preferably, the body diode D3 is the body diode of the metal-oxide-semiconductor Q1 internal structure parasitism.
Preferably, the metal-oxide-semiconductor Q1 is P-channel metal-oxide-semiconductor.
The utility model can further reduce existing active and standby electricity by providing a kind of active and standby power conversion circuit of low-power consumption
The operation power consumption of conversion circuit, and then reach the technical effect of energy saving；Wherein, metal-oxide-semiconductor Q1 is connected on standby electric power supply and master
Between electric power circuit, parasitism is connected with body diode D3 between the drain electrode and source electrode of metal-oxide-semiconductor Q1；Control module is connected to
The grid of metal-oxide-semiconductor Q1；In use, standby electricity power supply is always in an ON state, when main electricity power supply is connected, control module controls MOS
Pipe Q1 shutdown cut-off, acceptor's electricity supply voltage, which is higher than standby electric power supply, to be influenced, and body diode D3 is not turned on, by main electric power supply power supply；
When main electric power supply access failure, control module controls metal-oxide-semiconductor Q1 conducting, and standby electricity power supply starts to power.Due to metal-oxide-semiconductor Q1 and control
The energy consumption of module is much smaller than diode, therefore the active and standby power conversion circuit of above-mentioned low-power consumption generates heat compared with prior art in a state of use
Less, the active and standby power conversion circuit of improved low-power consumption helps to extend the service life of peripheral circuit, promotes peripheral circuit
Job stability.
Detailed description of the invention
Fig. 1 is the electrical block diagram of active and standby power conversion circuit in the prior art；
Fig. 2 is the electrical block diagram of the active and standby power conversion circuit of low-power consumption in the utility model embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Referring to FIG. 2, Fig. 2 is the circuit structure signal of the active and standby power conversion circuit of low-power consumption provided in the present embodiment
Figure.In a specific embodiment, the structure of the active and standby power conversion circuit of low-power consumption provided by the utility model includes: MOS
Pipe Q1, body diode D3, further includes: control module；The drain electrode of the metal-oxide-semiconductor Q1 is connected with standby electric power connector end；The MOS
The drain electrode of pipe Q1 is electrically connected with the anode of the body diode D3；The yin of the source electrode of the metal-oxide-semiconductor Q1 and the body diode D3
Pole electrical connection；The grid of the metal-oxide-semiconductor Q1 is electrically connected with the control module；The source electrode of the metal-oxide-semiconductor Q1 is connected with main electricity electricity
Source circuit connecting pin and power output end OUT.
The utility model can further reduce existing active and standby electricity by providing a kind of active and standby power conversion circuit of low-power consumption
The operation power consumption of conversion circuit, and then reach the technical effect of energy saving；Wherein, metal-oxide-semiconductor Q1 is connected on standby electric power supply and master
Between electric power circuit, parasitism is connected with body diode D3 between the drain electrode and source electrode of metal-oxide-semiconductor Q1；Control module is connected to
The grid of metal-oxide-semiconductor Q1；In use, standby electricity power supply is always in an ON state, when main electricity power supply is connected, control module controls MOS
Pipe Q1 shutdown cut-off, acceptor's electricity supply voltage, which is higher than standby electric power supply, to be influenced, and body diode D3 is not turned on, by main electric power supply power supply；
When main electric power supply access failure, control module controls metal-oxide-semiconductor Q1 conducting, and standby electricity power supply starts to power.Due to metal-oxide-semiconductor Q1 and control
The energy consumption of module is much smaller than diode, therefore the active and standby power conversion circuit of above-mentioned low-power consumption generates heat compared with prior art in a state of use
Less, the active and standby power conversion circuit of improved low-power consumption helps to extend the service life of peripheral circuit, promotes peripheral circuit
Job stability.
Further, in one of optimal technical scheme of the present embodiment, the control module be single-chip microcontroller or
PLC。
Further, in one of optimal technical scheme of the present embodiment, the body diode D3 is the metal-oxide-semiconductor
The body diode of Q1 internal structure parasitism.
Further, in one of optimal technical scheme of the present embodiment, the metal-oxide-semiconductor Q1 is P-channel metal-oxide-semiconductor.
The various embodiments described above are only preferred embodiments of the present invention, in the art, all to be based on this reality
With the changes and improvements in new technique scheme, should not exclude except the protection scope of the utility model.
Claims (4)
1. a kind of active and standby power conversion circuit of low-power consumption, including metal-oxide-semiconductor Q1, body diode D3, which is characterized in that further include: control
Module；The drain electrode of the metal-oxide-semiconductor Q1 is connected with standby electric power connector end；The drain electrode of the metal-oxide-semiconductor Q1 and the body diode D3
Anode electrical connection；The source electrode of the metal-oxide-semiconductor Q1 is electrically connected with the cathode of the body diode D3；The grid of the metal-oxide-semiconductor Q1
It is electrically connected with the control module；The source electrode of the metal-oxide-semiconductor Q1 is connected with main electric power circuit connecting pin and power output end
OUT。
2. the active and standby power conversion circuit of low-power consumption according to claim 1, which is characterized in that the control module is single-chip microcontroller
Or PLC.
3. the active and standby power conversion circuit of low-power consumption according to claim 1, which is characterized in that the body diode D3 is described
The body diode of metal-oxide-semiconductor Q1 internal structure parasitism.
4. the active and standby power conversion circuit of low-power consumption according to claim 1, which is characterized in that the metal-oxide-semiconductor Q1 is P-channel
Metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821503.9U CN208226670U (en) | 2018-05-30 | 2018-05-30 | A kind of active and standby power conversion circuit of low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821503.9U CN208226670U (en) | 2018-05-30 | 2018-05-30 | A kind of active and standby power conversion circuit of low-power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226670U true CN208226670U (en) | 2018-12-11 |
Family
ID=64507263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820821503.9U Active CN208226670U (en) | 2018-05-30 | 2018-05-30 | A kind of active and standby power conversion circuit of low-power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208226670U (en) |
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2018
- 2018-05-30 CN CN201820821503.9U patent/CN208226670U/en active Active
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