CN109301918A - A kind of seamless switching control circuit applied to two-way V-LOCK battery - Google Patents
A kind of seamless switching control circuit applied to two-way V-LOCK battery Download PDFInfo
- Publication number
- CN109301918A CN109301918A CN201710605479.5A CN201710605479A CN109301918A CN 109301918 A CN109301918 A CN 109301918A CN 201710605479 A CN201710605479 A CN 201710605479A CN 109301918 A CN109301918 A CN 109301918A
- Authority
- CN
- China
- Prior art keywords
- diode
- comparator
- resistance
- power supply
- connection
- 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
- 101001068634 Homo sapiens Protein PRRC2A Proteins 0.000 claims abstract description 14
- 102100033954 Protein PRRC2A Human genes 0.000 claims abstract description 14
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 claims abstract description 13
- 102100024690 Spliceosome RNA helicase DDX39B Human genes 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004826 seaming 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
-
- 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
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention relates to dual power supply handoff technique field more particularly to a kind of seamless switching control circuits applied to two-way V-LOCK battery.A kind of seamless switching control circuit applied to two-way V-LOCK battery includes: power supply BAT1, power supply BAT2, diode DA5, diode DB5, diode D8, diode D9, comparator I, comparator II, MOSQA7-11, MOSQB7-11, reference circuit, omnibus circuit, the power supply BAT2 connection diode DB5, by connecting resistance RB32, the anode of resistance RB33 connection comparator II, the capacitor C20 is in parallel with resistance RB33, the output end of the comparator II connects MOSQB10, MOSQB9, MOSQB11, the anode of the MOSQB10 connection comparator I, the cathode of the comparator I connects omnibus circuit, the MOSQB9, MOSQB1 1 is connected in parallel MOSQB7, MOSQB8, and described MOSQB7, MOSQB8 connect diode D8, diode D9.A kind of seamless switching control circuit applied to two-way V-LOCK battery provided by the invention, small in size, low in energy consumption, high reliablity and switching time short double supply automatic switch-over circuit.
Description
Technical field
The present invention relates to dual power supply handoff technique field more particularly to it is a kind of applied to two-way V-LOCK battery without seaming and cutting
Change control circuit.
Background technique
Radio and television and movies-making generally need to meet light-weight, small and exquisite, the durable requirement being convenient for carrying with equipment.By
Capacity (98Wh) is seized the opportunity to lithium battery in civil aviaton and greatly constrains the time of video camera continuous work, therefore uses double cell
It is commonly used for radio and television and the power supply of movies-making equipment.For this purpose, a kind of small in size, low in energy consumption, reliability need to be designed
High and short switching time double supply automatic switch-over circuit.
Common dual power supply switching way is to take relay to switch switching mode in parallel, but above-mentioned switching mode all exists
Drawback.The reaction time of usual relay at ms grades, is easy to cause equipment to restart in power supply handoff procedure, it is difficult to adaptation pair
The higher occasion of reliability requirement.
Summary of the invention
In view of the above drawbacks of the prior art, a kind of seamless switching applied to two-way V-LOCK battery provided by the invention
Control circuit, small in size, low in energy consumption, high reliablity and switching time short double supply automatic switch-over circuit, can provide for equipment
Stable and lasting operating voltage.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of seamless switching control circuit applied to two-way V-LOCK battery includes: power supply BAT1, power supply BAT2, diode
DA5, diode DB5, diode D8, diode D9, comparator I, comparator II, MOSQA7-11, MOSQB7-11, with reference to electricity
Road, omnibus circuit, the power supply BAT2 connection diode DB5, by comparing in connection resistance RB32, resistance RB33 connection LM358
Compared with the anode of device II, the end VCC that the reference circuit is LM358 powers, and the capacitor C20 is in parallel with resistance RB33, the ratio
Output end compared with device II connects MOSQB10, MOSQB9, MOSQB11, the anode of the MOSQB10 connection comparator I, the ratio
Cathode compared with device I connects omnibus circuit, and described MOSQB9, MOSQB11 are connected in parallel MOSQB7, MOSQB8, the MOSQB7,
MOSQB8 connection diode D8, diode D9, the diode D8, diode D9 connection output end DCOUT, the power supply BAT1
It constitutes and the symmetrical interlock circuit of power supply BAT2.
Wherein, the reference circuit includes resistance RC1, zener diode ZD4, capacitor C18, the zener diode ZD4
It connects again with resistance RC1 with capacitor C18 parallel connection, described reference circuit one end is connected by diode DA5 connection power supply BAT1, one end
Connect the end VCC of LM358.
Wherein, the omnibus circuit includes resistance RC2, zener diode Q9, resistance RC3-6, the resistance RC3-6 connection
Zener diode Q9 reconnects resistance RC2.
A kind of beneficial effects of the present invention: seamless switching control electricity applied to two-way V-LOCK battery provided by the invention
Road, small in size, low in energy consumption, high reliablity and switching time short double supply automatic switch-over circuit, can be provided for equipment stablize and
Lasting operating voltage.
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
Detailed description of the invention
With reference to the accompanying drawing, by the way that detailed description of specific embodiments of the present invention, technical solution of the present invention will be made
And other beneficial effects are apparent.
Fig. 1 is a kind of circuit diagram of the seamless switching control circuit applied to two-way V-LOCK battery of the present invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, a kind of seamless switching control circuit applied to two-way V-LOCK battery includes: power supply BAT1, electricity
Source BAT2, diode DA5, diode DB5, diode D8, diode D9, comparator I, comparator II, MOSQA7-11,
MOSQB7-11, reference circuit, omnibus circuit, the power supply BAT2 connection diode DB5, by connecting resistance RB32, resistance
The anode of comparator II in RB33 connection LM358, the end VCC that the reference circuit is LM358 power, the capacitor C20 and electricity
RB33 parallel connection is hindered, the output end of the comparator II connects MOSQB10, MOSQB9, MOSQB11, and the MOSQB10 connection is compared
The anode of device I, the cathode of the comparator I connect omnibus circuit, described MOSQB9, MOSQB11 be connected in parallel MOSQB7,
MOSQB8, described MOSQB7, MOSQB8 connect diode D8, diode D9, the diode D8, diode D9 connection output end
DCOUT, the power supply BAT1 are constituted and the symmetrical interlock circuit of power supply BAT2.
The reference circuit includes resistance RC1, zener diode ZD4, capacitor C18, the zener diode ZD4 and capacitor
C18 parallel connection is connected with resistance RC1 again, and described reference circuit one end passes through diode DA5 connection power supply BAT1, one end connection
The end VCC of LM358.The omnibus circuit includes resistance RC2, zener diode Q9, resistance RC3-6, the resistance RC3-6 connection
Zener diode Q9 reconnects resistance RC2.
The power supply BAT1, power supply BAT2 which voltage are greatly just accordingly the diode breakdown in circuit, it is assumed that power supply
The voltage of BAT2 is higher than the voltage of power supply BAT1, then diode DB5 is breakdown, and omnibus circuit comparator I is made to power, described same
When by comparator II in resistance RB32, resistance RB33 connection LM358 anode, the anode of the comparator II passes through
The anode of MOSQB10 connection comparator I, by compared with omnibus circuit voltage, make MOSQB10 connect MOSQB9, MOSQB11,
MOSQB7, MOSQB8, described MOSQB7, MOSQB8 connect diode D8, diode D9, and the diode D8, diode D9 connect
Logical output end DCOUT.If the voltage of power supply BAT1 is greater than the voltage of power supply BAT2, situation is opposite.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. a kind of seamless switching control circuit applied to two-way V-LOCK battery characterized by comprising power supply BAT1, electricity
Source BAT2, diode DA5, diode DB5, diode D8, diode D9, comparator I, comparator II, MOSQA7-11,
MOSQB7-11, reference circuit, omnibus circuit, the power supply BAT2 connection diode DB5, by connecting resistance RB32, resistance
The anode of comparator II in RB33 connection LM358, the end VCC that the reference circuit is LM358 power, the capacitor C20 and electricity
RB33 parallel connection is hindered, the output end of the comparator II connects MOSQB10, MOSQB9, MOSQB11, and the MOSQB10 connection is compared
The anode of device I, the cathode of the comparator I connect omnibus circuit, described MOSQB9, MOSQB11 be connected in parallel MOSQB7,
MOSQB8, described MOSQB7, MOSQB8 connect diode D8, diode D9, the diode D8, diode D9 connection output end
DCOUT, the power supply BAT1 are constituted and the symmetrical interlock circuit of power supply BAT2.
2. a kind of seamless switching control circuit applied to two-way V-LOCK battery according to claim 1, feature
It is, the reference circuit includes resistance RC1, zener diode ZD4, capacitor C18, the zener diode ZD4 and capacitor C18
Parallel connection is connected with resistance RC1 again, and described reference circuit one end connects LM358's by diode DA5 connection power supply BAT1, one end
The end VCC.
3. a kind of seamless switching control circuit applied to two-way V-LOCK battery according to claim 1, feature
It is, the omnibus circuit includes resistance RC2, zener diode Q9, resistance RC3-6, two pole of resistance RC3-6 connection pressure stabilizing
Pipe Q9 reconnects resistance RC2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710605479.5A CN109301918A (en) | 2017-07-24 | 2017-07-24 | A kind of seamless switching control circuit applied to two-way V-LOCK battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710605479.5A CN109301918A (en) | 2017-07-24 | 2017-07-24 | A kind of seamless switching control circuit applied to two-way V-LOCK battery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109301918A true CN109301918A (en) | 2019-02-01 |
Family
ID=65167569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710605479.5A Pending CN109301918A (en) | 2017-07-24 | 2017-07-24 | A kind of seamless switching control circuit applied to two-way V-LOCK battery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109301918A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110907711A (en) * | 2019-11-20 | 2020-03-24 | 武汉鸿志高测电气技术有限公司 | Nuclear phase and phasing device and method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1983761A (en) * | 2006-05-29 | 2007-06-20 | 华为技术有限公司 | Controller for switching main power supply |
CN201726197U (en) * | 2010-07-16 | 2011-01-26 | 希姆通信息技术(上海)有限公司 | Double-battery power supply circuit |
CN202363968U (en) * | 2011-12-14 | 2012-08-01 | 陕西千山航空电子有限责任公司 | Dual-power input selection and power reverse connection prevention circuit |
CN204270082U (en) * | 2014-12-18 | 2015-04-15 | 合肥英特电力设备有限公司 | A kind of UPS uninterrupted power source |
CN204721079U (en) * | 2015-04-20 | 2015-10-21 | 北京航天自动控制研究所 | Dual-power automatic switching and charging circuit |
CN106300642A (en) * | 2016-08-31 | 2017-01-04 | 合肥赛为智能有限公司 | A kind of dual power supply redundancy cold standby circuit with power supply status output |
-
2017
- 2017-07-24 CN CN201710605479.5A patent/CN109301918A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1983761A (en) * | 2006-05-29 | 2007-06-20 | 华为技术有限公司 | Controller for switching main power supply |
CN201726197U (en) * | 2010-07-16 | 2011-01-26 | 希姆通信息技术(上海)有限公司 | Double-battery power supply circuit |
CN202363968U (en) * | 2011-12-14 | 2012-08-01 | 陕西千山航空电子有限责任公司 | Dual-power input selection and power reverse connection prevention circuit |
CN204270082U (en) * | 2014-12-18 | 2015-04-15 | 合肥英特电力设备有限公司 | A kind of UPS uninterrupted power source |
CN204721079U (en) * | 2015-04-20 | 2015-10-21 | 北京航天自动控制研究所 | Dual-power automatic switching and charging circuit |
CN106300642A (en) * | 2016-08-31 | 2017-01-04 | 合肥赛为智能有限公司 | A kind of dual power supply redundancy cold standby circuit with power supply status output |
Non-Patent Citations (2)
Title |
---|
方倪等: "DC-DC开关电源模块并联供电技术方案", 《科技创新与应用》 * |
陈勇等: "纯电动汽车直流双电源无缝切换技术", 《电子科技大学学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110907711A (en) * | 2019-11-20 | 2020-03-24 | 武汉鸿志高测电气技术有限公司 | Nuclear phase and phasing device and method |
CN110907711B (en) * | 2019-11-20 | 2022-08-12 | 武汉鸿志高测电气技术有限公司 | Nuclear phase and phasing device and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201898330U (en) | Reverse-connection-preventive circuit | |
JP2021503873A (en) | NFC antenna power acquisition device | |
CN104596049B (en) | Current loop communication circuit and air-conditioner | |
CN109301918A (en) | A kind of seamless switching control circuit applied to two-way V-LOCK battery | |
CN204478392U (en) | Current loop communication circuit and air-conditioner | |
CN110932378B (en) | Solar-charged refrigerator | |
CN103855688B (en) | The leakage current protection circuit of battery | |
CN214540710U (en) | Low-power consumption circuit and display screen system | |
CN102684294A (en) | Main and standby power supply control device for embedded equipment | |
CN104617773A (en) | Positive-negative automatic conversion circuit and power output module | |
CN209250334U (en) | A kind of inside and outside power switching circuit with reverse connecting protection | |
CN203745617U (en) | Large power lithium battery insulation detection circuit | |
CN203205871U (en) | Direct current reverse protection circuit | |
CN203261122U (en) | Uninterruptible power circuit of power box of visual building intercom system | |
CN106849324B (en) | A kind of anti-instantaneous power-down circuit | |
CN207926260U (en) | A kind of multiple-way supply automatic switch-over circuit and supply unit | |
CN102684469A (en) | Uninterruptible power supply, and method and device for controlling same | |
CN109450071A (en) | A kind of power switching circuit | |
CN211151607U (en) | Circuit for preventing standby power supply from being conducted mistakenly | |
CN104377661B (en) | Low-voltage protection circuit of urban rail vehicle direct-current power source | |
CN205355870U (en) | Lithium battery charging circuit | |
CN208386202U (en) | The battery series-parallel transition circuit and earphone of earphone | |
CN209896758U (en) | Auxiliary power supply system | |
US11863172B2 (en) | Single live line switch circuit and control method thereof | |
CN207902325U (en) | A kind of low soft starting circuit suitable for onboard system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190201 |
|
WD01 | Invention patent application deemed withdrawn after publication |