CN106451743A - Power supply system with backup power - Google Patents
Power supply system with backup power Download PDFInfo
- Publication number
- CN106451743A CN106451743A CN201610872851.4A CN201610872851A CN106451743A CN 106451743 A CN106451743 A CN 106451743A CN 201610872851 A CN201610872851 A CN 201610872851A CN 106451743 A CN106451743 A CN 106451743A
- Authority
- CN
- China
- Prior art keywords
- power
- battery backup
- supply
- supply system
- source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- 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
-
- 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
Abstract
The invention discloses a power supply system with backup power. The power supply system comprises a main power supply device, a battery backup module, an automatic switching circuit and a voltage adjustment module, wherein the main power supply device is connected with a commercial power input source and generates first output power; an input end of the battery backup module is connected with the commercial power input source and the battery backup module is connected with the main power supply device in parallel and generates second output power; the automatic switching circuit is connected with the main power supply device and an output end of the battery backup module and provides the voltage adjustment module with third output power; and the voltage adjustment module adjusts the third output power into required power and outputs the required power, wherein the third output power is one of the first output power and the second output power. According to the power supply system with the backup power, work of an electric appliance is kept by virtue of the battery backup module under the condition that commercial power cannot be provided; and the damage of a sudden power failure on the electric appliance and the influence on work are avoided.
Description
Technical field
The present invention relates to supply electrical domain, a kind of more particularly to power-supply system with redundancy electric power.
Background technology
During daily electricity consumption, if there is the situation of unexpected power down, for our electrical equipment hardware have very big
Infringement.In addition, if we are when using editable equipment editing data, if not preserving in time, it is possible to occur losing
Lose.According to the power-supply system with redundancy electric power, electrical equipment is powered, then can be prevented effectively from sending out for above-mentioned situation
Raw.
Being designed as N+1 framework common electric power redundancy system, such as 1+1 redundant, 2+1 standby system, i.e., with N number of power supply mould more
Rated power supply needed for block offer system, other at least many one group of power modules again, as redundant purposes, to provide load electricity
Power, with prevent power module produce bad when or power-off cause system cannot continued operation, maintain system normal operation.But
Also be present many deficiencies in existing electric power redundancy system, need perfect further.
Content of the invention
The goal of the invention of the present invention is：For the problem that prior art is present, a kind of electricity with redundancy electric power is provided
Origin system.
To achieve these goals, the technical solution used in the present invention is：
A kind of power-supply system with redundancy electric power, including main power source supply (1), connects civil power input source and produces the
One output power；Battery backup module (2), input connects civil power input source, and in parallel with main power source supply (1),
Produce the second output power；Automatic switch-over circuit (3), connects the output of main power source supply (1) and battery backup module (2)
End, and the 3rd output power is provided to voltage regulator module (4)；Voltage regulator module (4), the 3rd output power is adjusted to institute
The electric power of need is simultaneously exported, and wherein, the 3rd output power is one of the first output power and the second output power.
In such scheme, described battery backup module (2) are comprising the friendship that civil power input source is converted to the second output power
Stream/DC converter (5), the rechargeable battery (8) for energy storage, intelligent charge loop；The intelligent charge loop is comprising control
Device (9) processed connected with controller charging chip (7), optical coupled switch (6), the optical coupled switch is also connected with charging chip, is carried
Supply charging chip power supply.
In such scheme, the automatic switch-over circuit manages (11) comprising a P-channel MOSFET, the P-channel MOSFET pipe
(11) grid is connected with battery backup module outfan, and the P-channel MOSFET manages the source electrode of (11) and main power source supply
(1) outfan connection, drain electrode connection voltage regulator module (4) of P-channel MOSFET pipe (11).
In such scheme, the automatic switch-over circuit also includes Schottky diode (10), the Schottky diode
(10) forward it is connected between grid and the drain electrode of P-channel MOSFET pipe (11).
In such scheme, the voltage regulator module includes an at least DC to DC converter.
In such scheme, between the civil power input source and the positive input terminal of main power source supply, L1, main power source is connected with
C1 is connected between the positive input terminal of supply and negative input end；The input of the civil power input source and battery backup module it
Between be connected with L2, be connected with C2 between the positive input terminal of battery backup module and negative input end.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows：
The present invention, in the case that civil power is unable to supply, relies on battery backup module to maintain the work of electrical equipment, it is to avoid suddenly
The impact of infringement and work of the power-off to electrical equipment；The present invention, also introduces intelligent charge loop in battery backup module, realizes
Full of breaking, it is to avoid full of the loss for continuing later to charge to battery life；Present invention introduces automatic switch-over circuit, Neng Goushi
The automatic switchover of existing low-power consumption；Voltage regulator module is arranged on main power source supply and battery backup module rear end common port and makes
With effectively saving the quantity of electric pressure converter；The present invention is also added into disturbing process circuit, on the one hand avoids artifact pair
The impact of power line, it is to avoid the interference between multiple parallel electric source modules, on the one hand also avoid power-supply system to civil power and its
The impact of his electronic equipment.
Description of the drawings
Fig. 1 is the system construction drawing of the present invention；
Fig. 2 is the structure chart of battery backup module；
Fig. 3 is automatic switch-over circuit figure；
Fig. 4 processes figure for interference；
In figure labelling：1- main power source supply, 2- battery backup module, 3- automatic switch-over circuit, 4- voltage regulator module,
5- AC/DC transducer, 6- optical coupled switch, 7- charging chip, 8- rechargeable battery, 9- controller, 10- Schottky diode,
11-P channel mosfet pipe.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of power-supply system with redundancy electric power, including main power source supply 1, connects civil power input source and produces first
Output power；Battery backup module 2, input connects civil power input source, and in parallel with the main power source supply 1, generation the
Two output powers；Automatic switch-over circuit 3, connects the outfan of main power source supply 1 and battery backup module 2, and provides the 3rd
Output power is to voltage regulator module 4；Voltage regulator module 4, the electric power needed for the 3rd output power is adjusted to simultaneously is exported, its
In, the 3rd output power is one of the first output power and the second output power.Main supply can be multiple, not limit herein
System.Bigger than the second output power under first output power normality, it is easy to automatic switch-over circuit connection main power source supply under normality.
The setting of voltage regulator module, it is to avoid many places arrange electric pressure converter, have saved electric pressure converter number.
Preferably, the battery backup module 2 is comprising the ac/dc that civil power input source is converted to the second output power
Changer 5, the rechargeable battery 8 for energy storage, intelligent charge loop；The intelligent charge loop is comprising controller 9 and control
The connected charging chip 7 of device, optical coupled switch 6, the optical coupled switch is also connected with charging chip, is supplied to charging chip power supply.
By the setting in intelligent charge loop, realize full of the function of breaking, it is to avoid rechargeable battery also continues to after being filled with charge, to electricity
The loss that the pond life-span is present.
Preferably, the automatic switch-over circuit includes a P-channel MOSFET pipe 11, the grid of the P-channel MOSFET pipe 11
Pole is connected with battery backup module outfan, and the source electrode of the P-channel MOSFET pipe 11 is with 1 outfan of main power source supply even
Connect, the drain electrode connection voltage regulator module 4 of the P-channel MOSFET pipe 11.P-channel MOSFET pipe is employed as switching unit
Part, its principle is that under normal state, when main power source supply is powered, the grid voltage of P-channel MOSFET pipe is higher than its source electrode electricity
Pressure, P-channel MOSFET pipe is off state, so as to cut off the connection of battery backup module, now by by main power source supply set
For to electric power supply.When civil power is not present, main power source supply cannot be powered, and P-channel MOSFET is turned on, standby by battery
Module is helped to electric power supply.The loss of conducting can be reduced using field effect transistor.While the function of automatically switching is realized, circuit letter
Single, low cost.
Preferably, the automatic switch-over circuit also includes Schottky diode 10, and the Schottky diode 10 forward connects
It is connected between grid and the drain electrode of P-channel MOSFET pipe 11.When Schottky diode can prevent battery backup module from individually powering
Electric current flows into main power source supply from battery.
Preferably, the voltage regulator module includes an at least DC to DC converter.For by the 3rd output power
Voltage Cortrol is all kinds of voltages needed for us.The number of DC to DC converter is arranged on demand herein, is not limited herein.
Preferably, L1 is connected between the civil power input source and the positive input terminal of main power source supply, and main power source is supplied
C1 is connected between the positive input terminal of device and negative input end；Connect between the civil power input source and the input of battery backup module
L2 is connected to, between the positive input terminal of battery backup module and negative input end, is connected with C2.In same power-supply system, if while making
With multi-group power module and input using same power supply when, easily cause interaction between two groups or multi-group power module to be done
Disturb, or even the harmonic wave of system malfunction is caused, between power-supply system front end and CIN wave filter, add L1, C1, L2 and C2 permissible
Lower the interactive interference between power module.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of power-supply system with redundancy electric power, it is characterised in that including main power source supply (1), connects civil power input
Source simultaneously produces the first output power；Battery backup module (2), input connects civil power input source, and supplies with the main power source
Device (1) parallel connection, produces the second output power；Automatic switch-over circuit (3), connection main power source supply (1) and battery backup module
(2) outfan, and the 3rd output power is provided to voltage regulator module (4)；Voltage regulator module (4), by the 3rd output electricity
Power is adjusted to required electric power and exports, and wherein, the 3rd output power is one of the first output power and the second output power.
2. a kind of power-supply system with redundancy electric power as claimed in claim 1, it is characterised in that the battery backup module
(2) include and civil power input source is converted to the AC-dc converter (5) of the second output power, is used for the chargeable electricity of energy storage
Pond (8), intelligent charge loop；The intelligent charge loop includes controller (9) connected with controller charging chip (7), light
Coupling switchs (6), and the optical coupled switch is also connected with charging chip, is supplied to charging chip power supply.
3. a kind of power-supply system with redundancy electric power as claimed in claim 1, it is characterised in that the automatic switch-over circuit
(11) are managed comprising a P-channel MOSFET, the grid of P-channel MOSFET pipe (11) is connected with battery backup module outfan,
The source electrode of P-channel MOSFET pipe (11) is connected with main power source supply (1) outfan, and the P-channel MOSFET manages (11)
Drain electrode connection voltage regulator module (4).
4. a kind of power-supply system with redundancy electric power as claimed in claim 3, it is characterised in that the automatic switch-over circuit
Also include Schottky diode (10), Schottky diode (10) are forward connected to the grid of P-channel MOSFET pipe (11)
Between drain electrode.
5. a kind of power-supply system with redundancy electric power as claimed in claim 1, it is characterised in that the voltage regulator module
Comprising an at least DC to DC converter.
6. a kind of power-supply system with redundancy electric power as claimed in claim 1, it is characterised in that the civil power input source with
L1 is connected between the positive input terminal of main power source supply, is connected between the positive input terminal of main power source supply and negative input end
C1；Be connected with L2 between the civil power input source and the input of battery backup module, the positive input terminal of battery backup module with
C2 is connected between negative input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872851.4A CN106451743A (en) | 2016-09-30 | 2016-09-30 | Power supply system with backup power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610872851.4A CN106451743A (en) | 2016-09-30 | 2016-09-30 | Power supply system with backup power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451743A true CN106451743A (en) | 2017-02-22 |
Family
ID=58171577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610872851.4A Withdrawn CN106451743A (en) | 2016-09-30 | 2016-09-30 | Power supply system with backup power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451743A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368248A (en) * | 2012-04-06 | 2013-10-23 | 新巨企业股份有限公司 | Back-up power system with low power consumption |
-
2016
- 2016-09-30 CN CN201610872851.4A patent/CN106451743A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368248A (en) * | 2012-04-06 | 2013-10-23 | 新巨企业股份有限公司 | Back-up power system with low power consumption |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170222 |