CN208508609U - The power control circuit of uninterrupted power supply - Google Patents
The power control circuit of uninterrupted power supply Download PDFInfo
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- CN208508609U CN208508609U CN201821088501.XU CN201821088501U CN208508609U CN 208508609 U CN208508609 U CN 208508609U CN 201821088501 U CN201821088501 U CN 201821088501U CN 208508609 U CN208508609 U CN 208508609U
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- power
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- power supply
- control circuit
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to power circuit control technology fields, it is a kind of power control circuit of uninterrupted power supply, including main power source one, main power source two, backup power source, first control circuit and second control circuit, the control circuit includes uninterruptible power supply, static state switching switch and power adapter, the input terminal of uninterruptible power supply connects the different main power source of two-way respectively, the output end of uninterruptible power supply accesses the first input end of static switching switch with backup power source respectively, second input terminal, the output end of static state switching switch is electrically connected with the first power source loads and power adapter respectively, the output end parallel connection of power adapter forms redundant power and gives second source load supplying.The utility model reasonable and compact in structure, using the different power supply in three groups of sources to the independent first power load circuit power supply of two-way and a second source load supplying, the validity that guarantee system power supply and system work has the characteristics that safe, laborsaving, easy, efficient.
Description
Technical field
The utility model relates to power circuit control technology fields, are a kind of power control circuits of uninterrupted power supply.
Background technique
Chemical company has the characteristics that high temperature and pressure, inflammable and explosive, poisonous and harmful, work continuity.In order to more preferably control
Chemical Manufacture, with the raising of Auto-control of the process degree, DCS system generally applies to chemical production field, but due to supplying
Electric mode is unreasonable to cause DCS power down, and process units is out of hand, easily generation serious accident.
As a kind of exchange backup power supply, generally filled by rectification unit, inversion unit, boosting unit, control unit, battery
The part such as electric unit, bypass multiplexor, input and output filter unit and battery group forms.When alternating current input is normal, UPS
Alternating current just is transformed to stablize alternating voltage for load use by rectification, inverter circuit, while the carry out floating charge of battery is filled
Electricity;When alternating current is abnormal, the electric energy stored in battery is just converted to constant pressure, constant frequency by DC boosting and inversion by UPS
Alternating current powering load.
But find in actual use, UPS is also required to timing and carries out care and maintenance not absolutely reliably, and shows
Once some factories, which automatically control the high system power down of degree, will cause serious influence, therefore realize the uninterrupted of electric system
Supply problem is badly in need of solving.
Summary of the invention
The utility model provides a kind of power control circuit of uninterrupted power supply, overcome the above-mentioned prior art no
Foot, it is single to can effectively solve existing power supply mode, only relies on uninterruptible power supply and powers that existing electrical stability is low, reliability
It is not high and there are problems that security risk.
The technical solution of the utility model is realized by following measures: a kind of power supply control electricity of uninterrupted power supply
Road, including main power source one, main power source two, backup power source, first control circuit and second control circuit, the first control circuit
Including the static switching switch of uninterruptible power supply one, first and the first power adapter, the input terminal of the uninterruptible power supply one with
Main power source one is electrically connected, and the output end of uninterruptible power supply one is electrically connected with the first input end of the described first static switching switch,
Backup power source is electrically connected with the second input terminal of the described first static switching switch, the output end difference of the first static switching switch
It is electrically connected with the first power source loads and the first power adapter;The second control circuit includes that uninterruptible power supply two, second is quiet
State switching switch and second source converter, the input terminal of the uninterruptible power supply two are electrically connected with main power source two, uninterrupted electricity
The output end in source two is electrically connected with the first input end of the described second static switching switch, and backup power source is cut with second static state
Change the second input terminal electrical connection of switch, the output end of the second static switching switch respectively with the first power source loads and second source
Converter electrical connection;The output end parallel connection of the output end and second source converter of first power adapter forms redundant electric
Second source load supplying is given in source.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned first control circuit further includes the first power switch, and second control circuit further includes second source switch, the
One end of one power switch is connect with the output end of the first static switching switch, and the other end of the first power switch is respectively with first
Power source loads and the connection of the first power adapter;One end of second source switch and the output end of the second static switching switch connect
It connects, the other end of second source switch is connect with the first power source loads and second source converter respectively.
Above-mentioned first power switch and second source switch are air switch.
Above-mentioned backup power source can be generator or solar battery or battery.
The utility model reasonable and compact in structure, control circuit use three groups of different power supplys as input power, wherein
Main power source one and main power source two are powered by two different mains supplies respectively, and backup power source then can be generator, solar energy
The power supply different from main power source one, two source of main power source such as battery or battery, so that it is guaranteed that the reliability of three tunnels transmission of electricity;First
Include uninterruptible power supply and static switching switch in control circuit and second control circuit, when in any control circuit not between
Backup power source will be switched power supply to by the static switching switch in the control circuit when power-off source is unable to normal power supply to continue to power,
Two circuits the first power source loads and second source load supplying together;The power supply of first control circuit and second control circuit turns
The output end parallel connection of parallel operation forms redundant power and gives system second source load supplying, there is multiple loads in the entire system, and two
A control circuit gives the load supplying of half respectively, so that can guarantee will not integrally fall in the case where the power-off of control circuit all the way
Electricity remains to some and is supported on operation so as to which power supply safety under system safe stopping, will be effectively ensured, and entire circuit has peace
Entirely, laborsaving, easy, efficient feature.
Detailed description of the invention
Attached drawing 1 is the circuit connection diagram of the best embodiment of the utility model.
Coding in attached drawing 1 is respectively as follows: Q1For the first power switch, Q2For second source switch.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1, a kind of power control circuit of uninterrupted power supply, including it is main power source one, main power source two, spare
Power supply, first control circuit and second control circuit, the first control circuit include the static switching of uninterruptible power supply one, first
Switch and the first power adapter, the input terminal of the uninterruptible power supply one are electrically connected with main power source one, uninterruptible power supply one
Output end is electrically connected with the first input end of the described first static switching switch, and backup power source is opened with the described first static switching
The output end of the second input terminal electrical connection closed, the first static switching switch is converted with the first power source loads and the first power supply respectively
Device electrical connection;The second control circuit includes the static switching switch of uninterruptible power supply two, second and second source converter, institute
The input terminal for stating uninterruptible power supply two is electrically connected with main power source two, the output end of uninterruptible power supply two and the second static switching
The first input end of switch is electrically connected, and backup power source is electrically connected with the second input terminal of the described second static switching switch, and second
The output end of static state switching switch is electrically connected with the first power source loads and second source converter respectively;The first power supply conversion
The output end parallel connection of the output end and second source converter of device forms redundant power and gives second source load supplying.
Entire circuit is using three groups of different power supplys as input power, and wherein main power source one and main power source two connect respectively
Two different mains supplies, backup power source then can be generator, solar battery or battery etc. and main power source one, main electricity
The different power supply in two source of source, so that it is guaranteed that the reliability of three tunnels transmission of electricity.Uninterruptible power supply one is powered by main power source one, output
End and backup power source divide two-way to enter the first static switching switch, (under normal circumstances by the first static switching switch out-put supply
Exported by uninterruptible power supply one, when one failure of uninterruptible power supply, switching undisturbed is exported to backup power source), the first static switching
The output end of switch divides two-way, powers all the way to the first power source loads, and another way is powered to the first power adapter;Uninterrupted electricity
Source two is powered by main power source two, and output end and backup power source divide two-way to enter the second static switching switch, is cut by the second static state
Switch out-put supply is changed (to be exported by uninterruptible power supply two under normal circumstances, when two failure of uninterruptible power supply, switching undisturbed is arrived
Backup power source output), the output end of the second static switching switch divides two-way, powers all the way to the first power source loads, another way is given
The power supply of second source converter;Redundant power is formed after first power adapter is in parallel with second source converter to second source
Load supplying.First power source loads are 220V load, and second source load is that 24V load or controller, power adapter will be by
The 220V alternating current of static state switching switch output is converted into for operating voltage needed for system 24V equipment or controller, power supply conversion
Device can be the equipment that transformer etc. is used to change output voltage in the prior art.
There is the load of 220V and 24V different voltages in DCS system, duplex feeding circuit is each responsible for one in DCS system
Half 220V load supplying and the 24V of two-way circuit, which are exported, to be formed redundant power and gives 24V load supplying, even if three tunnels of initial stage
Power supply has two-way power-off, and the controller of DCS system and the 220V load of half are all unaffected, and what controller can be safe will be
System stops, avoid equipment it is out of control because of power down existing for security risk, system stability and safety are higher.
The power control circuit of above-mentioned uninterrupted power supply can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, first control circuit further includes the first power switch Q1, second control circuit further includes the second electricity
Source switch Q2, the first power switch Q1One end connect with the output end of the first static switching switch, the first power switch Q1It is another
One end is connect with the first power source loads and the first power adapter respectively;Second source switch Q2One end static switch with second
The output end of switch connects, second source switch Q2The other end connect respectively with the first power source loads and second source converter
It connects.
As shown in Fig. 1, the first power switch Q1With second source switch Q2It is air switch.
As shown in Fig. 1, backup power source can be generator, solar battery or battery.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (4)
1. a kind of power control circuit of uninterrupted power supply, it is characterised in that including main power source one, main power source two, backup power source,
First control circuit and second control circuit, the first control circuit include the static switching switch of uninterruptible power supply one, first
It is electrically connected with the input terminal of the first power adapter, the uninterruptible power supply one with main power source one, the output of uninterruptible power supply one
It holds and is electrically connected with the first input end of the described first static switching switch, backup power source and the described first static switching switch
The output end of the electrical connection of second input terminal, the first static switching switch is electric with the first power source loads and the first power adapter respectively
Connection;The second control circuit includes the static switching switch of uninterruptible power supply two, second and second source converter, it is described not
The input terminal of uninterruptible power two is electrically connected with main power source two, and the output end of uninterruptible power supply two and the second static switching switch
First input end electrical connection, backup power source is electrically connected with the second input terminal of the described second static switching switch, the second static state
The output end of switching switch is electrically connected with the first power source loads and second source converter respectively;First power adapter
The output end parallel connection of output end and second source converter forms redundant power and gives second source load supplying.
2. the power control circuit of uninterrupted power supply according to claim 1, it is characterised in that the first control circuit
It further include the first power switch, second control circuit further includes second source switch, one end of the first power switch and first quiet
State switching switch output end connection, the other end of the first power switch respectively with the first power source loads and the first power adapter
Connection;One end of second source switch is connect with the output end of the second static switching switch, the other end point of second source switch
It is not connect with the first power source loads and second source converter.
3. the power control circuit of uninterrupted power supply according to claim 2, it is characterised in that first power switch
It is air switch with second source switch.
4. according to claim 1 to the power control circuit of uninterrupted power supply described in 3 any one, it is characterised in that described spare
Power supply is generator or solar battery or battery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821088501.XU CN208508609U (en) | 2018-07-10 | 2018-07-10 | The power control circuit of uninterrupted power supply |
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CN201821088501.XU CN208508609U (en) | 2018-07-10 | 2018-07-10 | The power control circuit of uninterrupted power supply |
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CN208508609U true CN208508609U (en) | 2019-02-15 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112040609A (en) * | 2019-06-03 | 2020-12-04 | 雅达电子国际有限公司 | Gardening facilities with centralized power supply for supplying power to LED lamps via power switch |
CN112366701A (en) * | 2020-11-04 | 2021-02-12 | 合肥联信电源有限公司 | Parallel connection method of static switches |
CN114243705A (en) * | 2022-02-23 | 2022-03-25 | 荣耀终端有限公司 | Power supply circuit and electronic equipment |
-
2018
- 2018-07-10 CN CN201821088501.XU patent/CN208508609U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112040609A (en) * | 2019-06-03 | 2020-12-04 | 雅达电子国际有限公司 | Gardening facilities with centralized power supply for supplying power to LED lamps via power switch |
CN112040609B (en) * | 2019-06-03 | 2023-02-03 | 雅达电子国际有限公司 | Gardening facilities with centralized power supply for supplying power to LED lamps via power switch |
CN112366701A (en) * | 2020-11-04 | 2021-02-12 | 合肥联信电源有限公司 | Parallel connection method of static switches |
CN112366701B (en) * | 2020-11-04 | 2024-05-10 | 合肥联信电源有限公司 | Parallel connection method of static switch |
CN114243705A (en) * | 2022-02-23 | 2022-03-25 | 荣耀终端有限公司 | Power supply circuit and electronic equipment |
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