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 PDF

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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
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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
Application number
CN201710605479.5A
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Chinese (zh)
Inventor
李立光
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Shenyang Guanghe Technology Co Ltd
Original Assignee
Shenyang Guanghe Technology Co Ltd
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Application filed by Shenyang Guanghe Technology Co Ltd filed Critical Shenyang Guanghe Technology Co Ltd
Priority to CN201710605479.5A priority Critical patent/CN109301918A/en
Publication of CN109301918A publication Critical patent/CN109301918A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • H02J9/061Circuit 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • 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

A kind of seamless switching control circuit applied to two-way V-LOCK battery
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.
CN201710605479.5A 2017-07-24 2017-07-24 A kind of seamless switching control circuit applied to two-way V-LOCK battery Pending CN109301918A (en)

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

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20190201

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