WO2017020782A1 - Circuit de commande de charge et de décharge de pile et système de charge et de décharge de pile - Google Patents

Circuit de commande de charge et de décharge de pile et système de charge et de décharge de pile Download PDF

Info

Publication number
WO2017020782A1
WO2017020782A1 PCT/CN2016/092365 CN2016092365W WO2017020782A1 WO 2017020782 A1 WO2017020782 A1 WO 2017020782A1 CN 2016092365 W CN2016092365 W CN 2016092365W WO 2017020782 A1 WO2017020782 A1 WO 2017020782A1
Authority
WO
WIPO (PCT)
Prior art keywords
mos transistor
resistor
battery
circuit
voltage
Prior art date
Application number
PCT/CN2016/092365
Other languages
English (en)
Chinese (zh)
Inventor
骆锋
田超
姜启荣
罗桂冬
何维
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2017020782A1 publication Critical patent/WO2017020782A1/fr

Links

Images

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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present application relates to, but is not limited to, the field of circuits, and in particular, to a battery charge and discharge control circuit and a battery charge and discharge system.
  • the charge and discharge control of the backup battery in the industry is mainly realized by a relay.
  • the main function of the battery is that when the battery discharge voltage is lower than a certain voltage value, the relay contacts are disconnected and the battery stops discharging, thus preventing overdischarge and damaging the battery.
  • the relay control battery charge and discharge has the following disadvantages: First, the relay is bulky and costly; second, the contact of the relay is not resistant to current, easy to burn, so the reliability is not high; third is the contact resistance of the relay contact Large, so the power loss during charging and discharging is large; Fourth, only the discharge undervoltage protection function can be realized, the charging cannot be effectively controlled, and the battery can not be hot swapped.
  • the utility model provides a battery charging and discharging control circuit and a battery charging and discharging system, which solves the problem that the charging and discharging control of the backup battery cannot be realized in the related art.
  • a battery charge and discharge control circuit comprising: a switch control component, a MOS transistor circuit and a first resistor for providing a turn-on voltage for the MOS transistor circuit; the switch control component connected to the MOS transistor circuit for controlling Conducting the first MOS transistor and the second MOS transistor in the MOS transistor circuit or Turning off; the MOS transistor circuit includes the first MOS transistor and the second MOS transistor, and two output pins of the first MOS transistor are respectively connected to two ends of the first resistor, The other output pin is grounded; the two output pins of the second MOS transistor are respectively connected to both ends of the first resistor, and the other output pin is connected to the battery; the first resistor is connected to the The switch control component.
  • the battery charge and discharge control circuit further includes: a safety component for providing protection for the circuit, the safety component having one end connected to the second MOS tube and the other end connected to the battery.
  • the battery charge and discharge control circuit further includes: a current detecting circuit, one end of the current detecting circuit is connected to the first MOS tube, and the other end is grounded for collecting a current signal.
  • the current detecting circuit comprises: a second resistor.
  • the switch control component includes: an optocoupler connected to the triode and the MOS transistor circuit for controlling conduction or deactivation of the first MOS transistor and the second MOS transistor; a triode connected to the third resistor and the optocoupler for receiving a turn-on voltage through the third resistor; the third resistor for providing a turn-on voltage to the triode.
  • the switch control component includes: an optocoupler connected to the third MOS transistor and the MOS transistor circuit, configured to control whether the first MOS transistor and the second MOS transistor are turned on or off
  • the third MOS transistor is connected to the third resistor and the optocoupler for receiving a turn-on voltage through the third resistor; the third resistor is configured to provide a guide for the third MOS transistor Through voltage.
  • the switch control component includes: a relay connected to the triode and the MOS transistor circuit for controlling conduction or deactivation of the first MOS transistor and the second MOS transistor; the triode, Connected to a third resistor and the relay for receiving a turn-on voltage through the third resistor; the third resistor for providing a turn-on voltage to the transistor.
  • the switch control component includes: a relay connected to the third MOS transistor and the MOS transistor circuit, configured to control whether the first MOS transistor and the second MOS transistor are turned on or off; a third MOS transistor connected to the third resistor and the relay for receiving a turn-on voltage through the third resistor; the third resistor for providing a turn-on voltage for the third MOS transistor.
  • the MOS transistor circuit is connected to a negative electrode of the battery.
  • a battery charging and discharging system includes: the battery charging and discharging control circuit.
  • a battery charge and discharge control circuit comprising: a switch control component, a MOS transistor circuit and a first resistor for providing a turn-on voltage for the MOS transistor circuit; and a switch control component connected to the MOS a tube circuit for controlling conduction or deactivation of the first MOS transistor and the second MOS transistor in the MOS transistor circuit;
  • the MOS transistor circuit includes a first MOS transistor and a second MOS transistor, and two outputs of the first MOS transistor The pins are respectively connected to both ends of the first resistor, and the other output pin is grounded; two output pins of the second MOS transistor are respectively connected to both ends of the first resistor, and the other output pin is connected to the battery
  • the first resistor is connected to the switch control assembly.
  • FIG. 1 is a block diagram showing the structure of a battery charge and discharge control circuit according to an embodiment of the present invention
  • FIG. 2 is a general plan diagram of a system for charging and discharging a backup battery of an embodiment of the present invention
  • FIG. 3 is a schematic view showing the working principle of a backup battery charging and discharging control circuit according to an embodiment of the present invention
  • FIG. 4 is a first circuit diagram of an embodiment of the present invention using an optocoupler as a switch control device;
  • FIG. 5 is a second circuit diagram of an embodiment of the present invention using an optocoupler as a switch control device
  • FIG. 6 is a third circuit diagram of an embodiment of the present invention using an optocoupler as a switch control device
  • Figure 7 is a circuit diagram of a relay as a switch control device in accordance with an embodiment of the present invention.
  • FIG. 1 is a structural block diagram of a battery charging and discharging control circuit according to an embodiment of the present invention.
  • the battery charging and discharging control circuit includes: a switch control.
  • the first MOS transistor and the second MOS transistor are turned on or off in the MOS transistor circuit 22;
  • the MOS transistor circuit 22 includes a first MOS transistor and a second MOS transistor, and the two output pins of the first MOS transistor are respectively
  • the first resistor 23 is connected at both ends, and the other output pin is grounded;
  • the two output pins of the second MOS transistor are respectively connected to both ends of the first resistor 23, and the other output pin is connected to the battery;
  • the above-mentioned device included in the present invention solves the problem that the charge and discharge control of the backup battery cannot be realized in the related art, and further realizes the control of charging and discharging of the backup battery.
  • the battery charge and discharge control circuit further includes: a fuse assembly for providing protection to the circuit, the fuse assembly having one end coupled to the second MOS transistor and the other end coupled to the battery. In order to make the battery short circuit, it can be quickly disconnected to prevent the current from being too dangerous.
  • the battery charge and discharge control circuit further includes: a current detecting circuit having one end connected to the first MOS transistor and the other end grounded for collecting a current signal.
  • the current sensing circuit described above can be a second resistor.
  • the switch control component can have various implementations.
  • the switch control component includes: an optocoupler connected to the triode and the MOS transistor circuit for controlling the first MOS transistor and the second MOS The transistor is turned on or off; the transistor is connected to the third resistor and the optocoupler for receiving a turn-on voltage through the third resistor; the third resistor is configured to provide a turn-on voltage for the transistor.
  • the switch control component includes: an optocoupler connected to the third MOS transistor and the MOS transistor circuit for controlling whether the first MOS transistor and the second MOS transistor are turned on or off
  • the third MOS transistor is connected to the third resistor and the optocoupler for receiving the turn-on voltage through the third resistor; the third resistor is configured to provide a turn-on voltage for the third MOS transistor.
  • the switch control component includes: a relay connected to the triode and the MOS transistor circuit for controlling conduction or deactivation of the first MOS transistor and the second MOS transistor; the triode being connected And a relay for receiving a turn-on voltage through the third resistor; the third resistor is configured to provide a turn-on voltage for the transistor.
  • the switch control component includes: a relay connected to the third MOS transistor and the MOS transistor circuit for controlling whether the first MOS transistor and the second MOS transistor are turned on or off; a third MOS transistor connected to the third resistor and the relay for receiving a turn-on voltage through the third resistor; the third resistor for providing a turn-on voltage for the third MOS transistor.
  • the MOS transistor circuit is coupled to the negative terminal of the battery.
  • a battery charging and discharging system comprising: the battery charging and discharging control circuit described above.
  • the main purpose of the embodiments of the present invention is to provide a backup battery charging and discharging control circuit that has the advantages of miniaturization, intelligence, high efficiency, high efficiency, and high reliability.
  • FIG. 2 is a schematic diagram of a system of a backup battery charging and discharging control circuit according to an embodiment of the present invention.
  • the overall scheme of the battery backup and discharge control circuit of the present embodiment is shown in FIG. 2: mainly by the following functions Module composition: AC-DC AC-DC power module, system load, backup battery, battery monitoring module, single-chip control module, battery charge and discharge control circuit module.
  • the main function of the AC-DC power module is to convert the utility power into the system load and the voltage required by the battery to supply power to the system load, and at the same time to charge the backup battery;
  • the system load is each function block that needs to be powered in the entire communication system;
  • the backup battery can continue to supply power to the load through the discharge after the mains power is turned off, so that the normal operation of the system can be maintained;
  • the main function of the battery monitoring module is to monitor the voltage, temperature, presence and reverse of the battery.
  • the MCU control module is responsible for monitoring the battery charge and discharge in addition to controlling the AC-DC power supply module;
  • the battery charge and discharge control circuit module is the execution unit of the battery charge and discharge control, and its main function is to accept the single-chip control
  • the control signal of the system realizes the purpose of battery charge and discharge control.
  • FIG. 3 is a schematic diagram of the working principle of the charging and discharging control circuit of the backup battery of the present invention.
  • the working principle of the battery charging and discharging control circuit is shown in FIG. 3: the charging and discharging control circuit is composed of the following parts: a switch and a control circuit switch, The top MOS: VT1 and VT2, and the resistor resistor and fuse connected to the GS pole of the top MOS.
  • the working principle diagram of the battery charge and discharge control circuit has the following signals: 1) VCC: an auxiliary power supply voltage provided by the power supply module, the function of which is to provide the driving voltage for the top MOS tube of the control circuit; 2) battery-: battery Negative, the battery diagram on the working principle diagram is connected to the top MOS and the system ground GND. In practice, the circuit can also be connected in series with a fuse and current sense resistor; 3) GND: power output ground and system ground.
  • the DS poles of VT1 and VT2 will change from the off state to the saturated conduction state, so that the battery can perform the charging and discharging functions.
  • the switch and the control circuit switch are in the off state, no current flows through the resistance resistor, so the voltage is 0V, that is, the GS voltage of the MOS transistors VT1 and VT2 is 0V, so the two MOSs are in the off state, and thus There will be current flowing through the DS poles of the two MOS transistors.
  • the power supply cannot charge the battery, and the battery cannot discharge the system.
  • the switch and control circuit switch is represented by two contacts in the working principle diagram.
  • the circuit uses some electronic devices to jointly realize the switching function, and the turn-on and turn-off are controlled by the single-chip control signal.
  • FIG. 2 is a schematic diagram of a system of a backup battery charging and discharging control circuit according to an embodiment of the present invention.
  • the entire system requires an AC-DC power module, a single-chip control module, a battery monitoring module, a charge and discharge control circuit module, and a backup battery and other functional modules. Cooperate with each other to realize intelligent control of battery charge and discharge.
  • FIG. 3 is a schematic diagram of the working principle of the backup battery charging and discharging control circuit according to the embodiment of the present invention.
  • the switch and the control circuit switch are turned on and off to control the on and off of the top MOS transistors VT1 and VT2, thereby realizing battery charging and discharging control. the goal of.
  • One is to use the optocoupler as the switch control device. This scheme has three circuit connections, as shown in Figure 4, Figure 5 and Figure 6.
  • the other solution is to use the relay. Take the switch control device, the circuit connection is shown in Figure 7.
  • the first method is shown in Figure 4. This method is suitable for the case where the VCC size and the operating voltage of the microcontroller are inconsistent.
  • the negative battery of the battery - and the circuit connected to the top MOS transistors VT1 and VT2 are connected in series with a fuse FU1 and a resistor R6.
  • the fuse FU1 can be quickly disconnected to prevent a current from being excessively generated and causing a fire.
  • the resistor R6 is a current detecting resistor, and the current signal BAT_IS of the parameter is transmitted to the single chip microcomputer and other control circuits.
  • Transistor VT3 When BATCTL is high, Transistor VT3 is driven by resistor R1, so that VCC, the body diode of the optocoupler's primary side and the collector of VT3 form a current loop. The diode in the optocoupler will have current flowing through it, resulting in the internal triode of the optocoupler's secondary side. Saturated conduction. Therefore, a current flows through the PIN3 and PIN4 pins of the photocoupler D1, and the body diode flowing through the resistor R5 and the optocoupler VT1 flows back to GND. Thus, the GS voltages of the top MOS transistors VT1 and VT2 are turned on more than the threshold voltage, and the battery can be charged and discharged.
  • the transistor VT3 When BATCTL is low, the transistor VT3 is in the off state, and the diode in the primary side of the optocoupler D1 will not have current flowing, so it is also in the off state.
  • the resistor R5 also does not have a current flowing, so the GS voltage to the top MOS transistors VT1 and VT2 is 0V, and thus is also in an off state, so the battery can neither be charged nor discharged.
  • the VT3 transistor can also be replaced by a MOS tube.
  • the 1 pin of VT3 corresponds to the G pole of the MOS tube
  • the 2 pin corresponds to the S pole of the MOS tube
  • the 3 pin corresponds to the D pole of the MOS tube.
  • FIG. 5 is a second circuit diagram of the embodiment of the present invention using an optocoupler as a switch control device.
  • the method is to directly drive the optocoupler D1 by using a single chip microcomputer, and is suitable for the case where the VCC voltage and the working voltage of the single chip are the same.
  • BATCTL is low, current will flow through the resistor R3 and the diode in the primary side of the optocoupler D1, and the secondary side of the optocoupler D1 will be in a saturated conduction state. Therefore, a current flows through the PIN3 and PIN4 pins of the photocoupler D1, and the body diode flowing through the resistor R5 and the optocoupler VT1 flows back to GND.
  • the GS voltages of the top MOS transistors VT1 and VT2 are turned on more than the threshold voltage, and the battery can be charged and discharged.
  • BATCTL is at a high level
  • the diode in the primary side of the optocoupler D1 does not have a current flow because there is no voltage difference. Therefore, the phototransformer D1 secondary transistor is in an off state, and the resistor R5 does not have a current flowing, so the top is
  • the GS voltages of the MOS transistors VT1 and VT2 are 0 V, and thus are in an off state, so that the battery can neither be charged nor discharged.
  • FIG. 6 is a third circuit diagram of the embodiment of the present invention using an optocoupler as a switch control device, which is also used to directly drive the optocoupler D1.
  • an optocoupler as a switch control device, which is also used to directly drive the optocoupler D1.
  • BATCTL When BATCTL is high, current will flow through the resistor R3 and the diode in the primary side of the optocoupler D1, and the secondary side of the optocoupler D1 will be in a saturated conduction state. Therefore, a current flows through the PIN3 and PIN4 pins of the photocoupler D1, and the body diode flowing through the resistor R5 and the optocoupler VT1 flows back to GND. This is the top MOS tube VT1 and VT2 The GS voltage will be greater than the threshold voltage and the battery will be charged and discharged.
  • the diode in the primary side of the optocoupler D1 does not have a current flow because there is no voltage difference. Therefore, the phototransformer D1 secondary transistor is in the off state, and the resistor R5 does not have current flowing, so the top is
  • the GS voltages of the MOS transistors VT1 and VT2 are 0 V, and thus are in an off state, so that the battery can neither be charged nor discharged.
  • Fig. 7 is a circuit diagram of a relay as a switch control device according to an embodiment of the present invention. This mode is similar to the above-described first circuit connection method in that the relay K1 is used instead of the photocoupler D1.
  • transistor VT3 is turned on by resistor R1, so that VCC, the coil of relay K1 and the collector of VT3 form a current loop, and the relay coil current flows to cause the contact of the relay to close. Therefore, a current flowing through the resistor R5 and the body diode of the optocoupler VT1 flows back to GND.
  • the GS voltages of the top MOS transistors VT1 and VT2 are turned on more than the threshold voltage, and the battery can be charged and discharged.
  • transistor VT3 When BATCTL is low, transistor VT3 is in the off state, and there is no current flowing through the coil of relay K1, so the contact of relay K1 is in the off state. Since the resistor R5 thus does not have a current flowing, the GS voltage to the top MOS transistors VT1 and VT2 is 0 V, and thus is in an off state, so that the battery can neither be charged nor discharged.
  • the VT3 transistor can also be replaced by a MOS tube.
  • the 1 pin of VT3 corresponds to the G pole of the MOS tube
  • the 2 pin corresponds to the S pole of the MOS tube
  • the 3 pin corresponds to the D pole of the MOS tube.
  • a relay is often used as a control switch or a separate charge and discharge control as compared with conventional battery charge and discharge control.
  • the utility model adopts two pairs of top MOS as control switches, and has the following advantages:
  • Control is simple and reliable.
  • the control circuit device has few components, and can effectively control the whole process of charging and discharging the battery.
  • the battery charging and discharging can realize the hot plugging, anti-reverse connection and other intelligent functions, and the single chip can also be used for the battery.
  • Temperature rise, voltage, current and other conditions are monitored. If abnormal conditions occur, they can be processed in time. This not only ensures stable operation of the system, but also ensures safe use of the battery and improves battery life.
  • the MOS transistor has a small on-resistance of the DS pole, and the MOS transistor is a voltage-driven device. Therefore, the power consumption of the circuit relative to the relay is smaller during the charging and discharging process of the battery. The purpose of energy saving.
  • the electric shock of the relay is easily damaged and deteriorated due to the high temperature caused by the discharge during the turn-on and turn-off process, and the MOS tube has better impact resistance, so the service life is longer and the reliability is higher.
  • the MOS tube is smaller than the relay and can save more space.
  • a battery charge and discharge control circuit comprising: a switch control component, a MOS transistor circuit and a first resistor for providing a turn-on voltage for the MOS transistor circuit; and a switch control component connected to the MOS a tube circuit for controlling conduction or deactivation of the first MOS transistor and the second MOS transistor in the MOS transistor circuit;
  • the MOS transistor circuit includes a first MOS transistor and a second MOS transistor, and two outputs of the first MOS transistor The pins are respectively connected to both ends of the first resistor, and the other output pin is grounded; two output pins of the second MOS transistor are respectively connected to both ends of the first resistor, and the other output pin is connected to the battery
  • the first resistor is connected to the switch control assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un circuit de commande de charge et de décharge de pile et un système de charge et de décharge de pile. Le circuit de commande de charge et de décharge de pile comprend : un composant de commande de commutation (22), un circuit à transistors MOS (24) et une première résistance fournissant une tension de conduction au circuit à transistors MOS (24). Le composant de commande de commutation (22) est connecté au circuit à transistors MOS (24), et configuré pour commander la commutation à l'état passant et à l'état bloqué d'un premier transistor MOS (VT1) et d'un second transistor MOS (VT2) dans le circuit à transistors MOS (24). Le circuit à transistors MOS (24) comprend le premier transistor MOS (VT1) et le second transistor MOS (VT2). Le premier transistor MOS (VT1) comprend deux broches de sortie respectivement connectées à deux bornes de la première résistance (26), et une broche de sortie connectée à une masse. Le second transistor MOS (VT2) comprend deux broches de sortie respectivement connectées aux deux bornes de la première résistance (26), et une broche de sortie connectée à une pile. La première résistance (26) est connectée au composant de commande de commutation (22). Le circuit de commande de charge et de décharge de pile et le système de charge et de décharge de pile peuvent commander la charge et la décharge d'une pile de secours.
PCT/CN2016/092365 2015-07-31 2016-07-29 Circuit de commande de charge et de décharge de pile et système de charge et de décharge de pile WO2017020782A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201520573063.6U CN204967307U (zh) 2015-07-31 2015-07-31 电池充放电控制电路及电池充放电***
CN201520573063.6 2015-07-31

Publications (1)

Publication Number Publication Date
WO2017020782A1 true WO2017020782A1 (fr) 2017-02-09

Family

ID=55062348

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/092365 WO2017020782A1 (fr) 2015-07-31 2016-07-29 Circuit de commande de charge et de décharge de pile et système de charge et de décharge de pile

Country Status (2)

Country Link
CN (1) CN204967307U (fr)
WO (1) WO2017020782A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109698686A (zh) * 2018-12-18 2019-04-30 国网西藏电力有限公司 一种简易的大电流光耦开关电路
CN112202228A (zh) * 2020-10-20 2021-01-08 深圳煜昇科技有限公司 一种双电池充放电隔离供电电路
CN112798916A (zh) * 2020-07-23 2021-05-14 浙江高泰昊能科技有限公司 充放电mos管的黏连检测电路及其检测方法
CN114899788A (zh) * 2022-05-17 2022-08-12 深圳英众世纪智能科技有限公司 一种电源控制方法及电子设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204967307U (zh) * 2015-07-31 2016-01-13 中兴通讯股份有限公司 电池充放电控制电路及电池充放电***
CN110350631A (zh) * 2019-08-07 2019-10-18 浙江中智海通信科技有限公司 电池充放电断路开关电路及其应用

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070103834A1 (en) * 2005-11-07 2007-05-10 Chun-Wei Huang Circuit for charging protection with enhanced overcurrent protection circuitry
CN202564995U (zh) * 2012-05-17 2012-11-28 深圳先进储能材料国家工程研究中心有限公司 一种多路电池组充放电控制装置
CN103166290A (zh) * 2013-03-26 2013-06-19 欣旺达电子股份有限公司 单节锂电电动工具控制与保护电路及其检测、控制方法
CN104578322A (zh) * 2015-01-30 2015-04-29 天津工业大学 一种电池组能量均衡结构及其实现方法
CN204967307U (zh) * 2015-07-31 2016-01-13 中兴通讯股份有限公司 电池充放电控制电路及电池充放电***

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070103834A1 (en) * 2005-11-07 2007-05-10 Chun-Wei Huang Circuit for charging protection with enhanced overcurrent protection circuitry
CN202564995U (zh) * 2012-05-17 2012-11-28 深圳先进储能材料国家工程研究中心有限公司 一种多路电池组充放电控制装置
CN103166290A (zh) * 2013-03-26 2013-06-19 欣旺达电子股份有限公司 单节锂电电动工具控制与保护电路及其检测、控制方法
CN104578322A (zh) * 2015-01-30 2015-04-29 天津工业大学 一种电池组能量均衡结构及其实现方法
CN204967307U (zh) * 2015-07-31 2016-01-13 中兴通讯股份有限公司 电池充放电控制电路及电池充放电***

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109698686A (zh) * 2018-12-18 2019-04-30 国网西藏电力有限公司 一种简易的大电流光耦开关电路
CN112798916A (zh) * 2020-07-23 2021-05-14 浙江高泰昊能科技有限公司 充放电mos管的黏连检测电路及其检测方法
CN112202228A (zh) * 2020-10-20 2021-01-08 深圳煜昇科技有限公司 一种双电池充放电隔离供电电路
CN114899788A (zh) * 2022-05-17 2022-08-12 深圳英众世纪智能科技有限公司 一种电源控制方法及电子设备

Also Published As

Publication number Publication date
CN204967307U (zh) 2016-01-13

Similar Documents

Publication Publication Date Title
WO2017020782A1 (fr) Circuit de commande de charge et de décharge de pile et système de charge et de décharge de pile
CN101888109B (zh) 采用双向反接保护的蓄电池充电控制电路
CN110676918B (zh) 一种电池开关电路、供电管理***及方法
CN104037720A (zh) 电子烟中防止微控制器电源电压跌落的保护装置和方法
US20210066930A1 (en) Power System
CN103607009A (zh) 一种带自动保护功能的充放电电路
CN105098891A (zh) 一种同口电池管理***充电唤醒电路
WO2023016574A1 (fr) Circuit de commutation, système de gestion de batterie, bloc-batterie, dispositif électrique et procédé de commande
WO2021258367A1 (fr) Circuit de commande, système de gestion de batterie et dispositif électrochimique
CN207869453U (zh) 一种照明和应急两用led灯的驱动电路
CN201726176U (zh) 采用双向反接保护的蓄电池充电控制电路
CN202513559U (zh) 一种电池短路保护电路
CN203166462U (zh) 电子烟中防止微控制器电源电压跌落的保护装置
CN102163866A (zh) 一种可定时手机电池充电器
WO2021258366A1 (fr) Circuit de commande, système de gestion de batterie et dispositif électrochimique
CN103326433B (zh) 便携式设备供电控制电路及便携式监护仪
CN203690904U (zh) 一种自保护在线式直流输出电路
CN101420123B (zh) 一种防止蓄电池反接的太阳能控制器
CN204046218U (zh) 一种节能升降压电池电路
CN210724282U (zh) 一种蓄电池过充保护电路
CN211046468U (zh) 一种锂电池短路保护电路
CN113541263A (zh) 一种便携式设备外接电源和电池供电自动切换电路
CN102611182A (zh) 超级电容充电器
CN105871045A (zh) 一种用于太阳能控制***中的充电电路
CN205489595U (zh) 开关电路

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16832270

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16832270

Country of ref document: EP

Kind code of ref document: A1