CN106532921A - Dual-battery DC power supply device - Google Patents
Dual-battery DC power supply device Download PDFInfo
- Publication number
- CN106532921A CN106532921A CN201611225264.2A CN201611225264A CN106532921A CN 106532921 A CN106532921 A CN 106532921A CN 201611225264 A CN201611225264 A CN 201611225264A CN 106532921 A CN106532921 A CN 106532921A
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- CN
- China
- Prior art keywords
- switch
- battery
- diode
- rectification unit
- modulate circuit
- 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.)
- Pending
Links
- 230000003750 conditioning effect Effects 0.000 claims abstract 3
- 239000004020 conductor Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a dual-battery DC power supply device, which comprises a rectifier unit, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a first diode, a second diode, a third diode, a fourth diode, a first battery, a second battery, a first voltage conditioning circuit and a second voltage conditioning circuit. The dual-battery DC power supply device provided by the invention can provide continuous low-ripple DC output to meet requirements for high-precision parameter measurement.
Description
Technical field
The present invention relates to a kind of double cell continuous-current plant, category Electric Energy Metering Technology field.
Background technology
Continuous-current plant is mainly used in providing one or more groups of constant to load and meeting the straight of load operating condition
Stream output.Using the continuous-current plant of diode rectification, the direct current of output has larger working frequency ripple wave；Continuous-current plant
Can also be the Switching Power Supply using power electronic devices, in its direct current output, often contain high frequency ripple, although by filtering
Device can reduce ripple, but still not reach the requirement of high-acruracy survey；The less direct current of ripple can be obtained using dc-battery defeated
Go out, but single limited battery capacity, frequently need to be charged with meeting demand；Some continuous-current plant normal works
When, direct current is exported through rectification using by alternating current in electrical network, and battery is so can guarantee that as the mode of standby direct current output
After AC dump, device still can export required direct current, but when device is in normal work, the direct current of output is still deposited
In substantial amounts of ripple.
The content of the invention
The purpose of the present invention is, in order to overcome the deficiencies in the prior art, there is provided a kind of double cell continuous-current plant, energy
The direct current output of lasting low ripple is provided, the demand of High Accuracy Parameter measurement can be met.
Technical scheme is as follows：A kind of double cell continuous-current plant, including：Rectification unit, first switch,
Two switches, the 3rd switch, the 4th switch, the 5th switch, the 6th switch, the first diode, the second diode, the 3rd diode,
4th diode, the first battery, the second battery, first voltage modulate circuit and second voltage modulate circuit.
Two ends of rectification unit input are connected with the phase line and the neutral conductor of electrical network respectively, and the alternating current of electrical network is converted into
Direct current；One end of rectification unit output is connected with one end of first switch, second switch respectively, the other end of rectification unit output
Ground connection；The other end of first switch is connected with the anode of the first diode, the positive pole of the negative electrode of the first diode and the first battery
Connection, the minus earth of the first battery；The other end of second switch is connected with the anode of the second diode, the moon of the second diode
Pole is connected with the positive pole of the second battery, the minus earth of the second battery；First diode cathode is connected with one end of the 3rd switch,
The 3rd switch other end is connected with the 3rd diode anode, one end that the 3rd diode cathode is input into first voltage modulate circuit
Connection, the other end ground connection of first voltage modulate circuit input, the output of first voltage modulate circuit are connected with one end of the 5th switch
Connect, the other end of the 5th switch is connected with the input of load；The negative electrode of the second diode is connected with one end of the 4th switch, the
The other end of four switches is connected with the anode of the 4th diode, negative electrode and the input of second voltage modulate circuit of the 4th diode
One end connects, the other end ground connection of second voltage modulate circuit input, second voltage modulate circuit output and the one of the 6th switch
End connection, the 6th switch output are connected with the input of load, the input other end ground connection of load.
During described device normal work, the first battery can provide direct current output, second switch, the 4th switch and the 6th switch
It is constantly in off-state；First switch controls to the first battery the state for charging：When first switch is closed, rectification unit is defeated
Go out direct current to charge to the first battery；When first switch disconnects, rectification unit stops to the first battery charging；First diode
Use, it is to avoid rectification unit charges to reverse battery；After the first battery is full of, first switch disconnects, and stops charging；3rd
The state that the first battery of on-off control powers to the load：When the 3rd switch closure, after first voltage modulate circuit, first
Battery powers to the load, now the 5th switch closure and the 6th switches off.
When first battery electric quantity is not enough, the second battery can provide direct current output, first switch, the 3rd switch and the 5th
Switch is constantly in off-state；Second switch controls to the second battery the state for charging：When second switch is closed, rectification list
Unit exports direct current and charges to the second battery；When second switch disconnects, rectification unit stops to the second battery charging；Two or two pole
The use of pipe, it is to avoid rectification unit charges to reverse battery；After the second battery is full of, second switch disconnects, and stops charging；
The state that 4th the second battery of on-off control powers to the load：When the 4th switch closure, after second voltage modulate circuit,
Second battery powers to the load, now the 6th switch closure and the 5th switches off.
Compared with prior art, the invention has the beneficial effects as follows：The invention provides a kind of double cell continuous-current plant,
The direct current output of lasting low ripple can be provided, the demand of High Accuracy Parameter measurement can be met.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Shown in Fig. 1 be the present invention apparatus structure schematic diagram, a kind of double cell continuous-current plant, including：Rectification unit, first
Switch K1, second switch K2, the 3rd switch K3, the 4th switch K4, the 5th switch K5, the 6th switch K6, the first diode D1, the
Two diode D2, the 3rd diode D3, the 4th diode D4, the first battery E1, the second battery E2, first voltage modulate circuit and
Second voltage modulate circuit.
Two ends of rectification unit input are connected with the phase line and the neutral conductor of electrical network respectively, and the alternating current of electrical network is converted into
Direct current；One end of rectification unit output is connected with one end of first switch K1, the other end ground connection of rectification unit output；First opens
The other end for closing K1 is connected with the anode of the first diode D1, and the positive pole of the negative electrode of the first diode D1 and the first battery E1 connects
Connect, the minus earth of the first battery E1；First diode D1 negative electrodes are connected with one end of the 3rd switch K3, and the 3rd switch K3's is another
One end is connected with the 3rd diode D3 anodes, and one end that the 3rd diode D3 negative electrodes are input into first voltage modulate circuit is connected,
The other end ground connection of first voltage modulate circuit input, the output of first voltage modulate circuit are connected with one end of the 5th switch K5,
The other end of the 5th switch K5 is connected with the input of load；One end of second switch K2 is connected with one end of first switch K1,
The other end of second switch K2 is connected with the anode of the second diode D2, and the negative electrode of the second diode D2 and the second battery E2 are just
Pole connects, the minus earth of the second battery E2；The negative electrode of the second diode D2 is connected with one end of the 4th switch K4, the 4th switch
The other end of K4 is connected with the anode of the 4th diode D4, negative electrode and the input of second voltage modulate circuit of the 4th diode D4
One end connects, the other end ground connection of second voltage modulate circuit input, and the output of second voltage modulate circuit is with the 6th switch K6's
One end connects, and the 6th switch K6 outputs are connected with the input of load, the input other end ground connection of load.
During normal work, the first battery E1 can provide direct current output, second switch K2, the 4th switch K4 and the 6th switch K6
It is constantly in off-state.First switch K1 controls to the first battery E1 the state for charging：When first switch K1 is closed, rectification
Unit exports direct current and charges to the first battery E1；When first switch K1 disconnects, rectification unit stops to the first battery E1 charging；
The use of the first diode D1, it is to avoid rectification unit charges to reverse battery.After the first battery E1 is full of, first switch K1
Disconnect, stop charging；3rd switch K3 controls the state that the first battery E1 powers to the load：When the 3rd switch K3 is closed, Jing
After crossing first voltage modulate circuit, the first battery E1 powers to the load, and now the 5th switch K5 is closed and the 6th switch K6 disconnections.
During the first battery E1 not enough power supplies, the second battery E2 can provide direct current output, first switch K1, the 3rd switch K3 and
5th switch K5 is constantly in off-state.Second switch K2 controls to the second battery E2 the state for charging：As second switch K2
During closure, rectification unit exports direct current and charges to the second battery E2；When second switch K2 disconnects, rectification unit stops to second
Battery E2 charges；The use of the second diode D2, it is to avoid rectification unit charges to reverse battery.When the second battery E2 is full of
Afterwards, second switch K2 disconnects, and stops charging；4th switch K4 controls the state that the second battery E2 powers to the load：Open when the 4th
When closing K4 and closing, after second voltage modulate circuit, the second battery E2 powers to the load, now the 6th switch K6 closures and the
Five switch K5 disconnect.
The undeclared part that is related in the present invention is same as the prior art or is realized using prior art.
Claims (3)
1. a kind of double cell continuous-current plant, it is characterised in that described device includes that rectification unit, first switch, second open
Pass, the 3rd switch, the 4th switch, the 5th switch, the 6th switch, the first diode, the second diode, the 3rd diode, the 4th
Diode, the first battery, the second battery, first voltage modulate circuit and second voltage modulate circuit；
Two ends of the rectification unit input are connected with the phase line and the neutral conductor of electrical network respectively, and the alternating current of electrical network is converted into
Direct current；One end of the rectification unit output is connected with one end of first switch, second switch respectively, and it is another that rectification unit is exported
One end is grounded；The other end of first switch is connected with the anode of the first diode, the negative electrode of the first diode and the first battery
Positive pole connects, the minus earth of the first battery；The other end of second switch is connected with the anode of the second diode, the second diode
Negative electrode be connected with the positive pole of the second battery, the minus earth of the second battery；One end of first diode cathode and the 3rd switch
Connection, the 3rd switch other end are connected with the 3rd diode anode, and the 3rd diode cathode is input into first voltage modulate circuit
One end connection, first voltage modulate circuit input the other end ground connection, first voltage modulate circuit output with the 5th switch
One end connects, and the other end of the 5th switch is connected with the input of load；One end of the negative electrode of the second diode and the 4th switch
Connection, the other end of the 4th switch are connected with the anode of the 4th diode, negative electrode and the second voltage conditioning electricity of the 4th diode
One end connection of road input, the other end ground connection of second voltage modulate circuit input, second voltage modulate circuit output and the 6th
One end connection of switch, the 6th switch output are connected with the input of load, the input other end ground connection of load.
2. a kind of double cell continuous-current plant according to claim 1, it is characterised in that during described device normal work,
First battery can provide direct current output, and second switch, the 4th switch and the 6th switch are constantly in off-state；First switch control
The state for charging is made to the first battery：When first switch is closed, rectification unit exports direct current and charges to the first battery；When first
When switching off, rectification unit stops to the first battery charging；The use of the first diode, it is to avoid rectification unit is anti-to battery
To charging；After the first battery is full of, first switch disconnects, and stops charging；3rd the first battery of on-off control powers to the load
State：When the 3rd switch closure, after first voltage modulate circuit, the first battery powers to the load, and now the 5th opens
Close and close and the 6th switches off.
3. a kind of double cell continuous-current plant according to claim 2, it is characterised in that first battery electric quantity is not enough
When, the second battery can provide direct current output, and first switch, the 3rd switch and the 5th switch are constantly in off-state；Second opens
Close the state that control is charged to the second battery：When second switch is closed, rectification unit exports direct current and charges to the second battery；When
When second switch disconnects, rectification unit stops to the second battery charging；The use of the second diode, it is to avoid rectification unit is to electricity
Pond reverse charging；After the second battery is full of, second switch disconnects, and stops charging；4th the second battery of on-off control is to load
The state of power supply：When the 4th switch closure, after second voltage modulate circuit, the second battery powers to the load, and now the
Six switches are closed and the 5th switches off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225264.2A CN106532921A (en) | 2016-12-27 | 2016-12-27 | Dual-battery DC power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225264.2A CN106532921A (en) | 2016-12-27 | 2016-12-27 | Dual-battery DC power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106532921A true CN106532921A (en) | 2017-03-22 |
Family
ID=58338942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611225264.2A Pending CN106532921A (en) | 2016-12-27 | 2016-12-27 | Dual-battery DC power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106532921A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| CN202363960U (en) * | 2011-08-18 | 2012-08-01 | 上海韦尔半导体股份有限公司 | Double-battery power supply device |
| CN104167783A (en) * | 2014-08-06 | 2014-11-26 | 西安石油大学 | Direct-current power source low ripple wave implementation method and circuits with batteries supplying power continuously |
| CN206313526U (en) * | 2016-12-27 | 2017-07-07 | 江西科晨高新技术发展有限公司 | A kind of double cell continuous-current plant |
-
2016
- 2016-12-27 CN CN201611225264.2A patent/CN106532921A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| CN202363960U (en) * | 2011-08-18 | 2012-08-01 | 上海韦尔半导体股份有限公司 | Double-battery power supply device |
| CN104167783A (en) * | 2014-08-06 | 2014-11-26 | 西安石油大学 | Direct-current power source low ripple wave implementation method and circuits with batteries supplying power continuously |
| CN206313526U (en) * | 2016-12-27 | 2017-07-07 | 江西科晨高新技术发展有限公司 | A kind of double cell continuous-current plant |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |