WO2021184730A1 - 一种支持带电插拔的锂电池控制系统及其控制方法 - Google Patents

一种支持带电插拔的锂电池控制系统及其控制方法 Download PDF

Info

Publication number
WO2021184730A1
WO2021184730A1 PCT/CN2020/119450 CN2020119450W WO2021184730A1 WO 2021184730 A1 WO2021184730 A1 WO 2021184730A1 CN 2020119450 W CN2020119450 W CN 2020119450W WO 2021184730 A1 WO2021184730 A1 WO 2021184730A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
module
plug
male
power
Prior art date
Application number
PCT/CN2020/119450
Other languages
English (en)
French (fr)
Inventor
马吉富
罗剑锋
包兴发
Original Assignee
卧龙电气驱动集团股份有限公司
卧龙电气集团浙江灯塔电源有限公司
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 卧龙电气驱动集团股份有限公司, 卧龙电气集团浙江灯塔电源有限公司 filed Critical 卧龙电气驱动集团股份有限公司
Publication of WO2021184730A1 publication Critical patent/WO2021184730A1/zh

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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to the technical field of batteries, in particular to a lithium battery control system supporting live plugging and unplugging and a control method thereof.
  • the present invention provides a lithium battery control system supporting live plugging and unplugging and a control method thereof. It can replace the battery module when the power supply equipment is uninterrupted, and can be plugged and unplugged without affecting the normal operation of the power supply equipment.
  • this application proposes a lithium battery control system that supports live plugging and unplugging, which includes: a plug-in control module that cooperates with a battery module; the plug-in control module includes a discharge circuit connected in parallel with the battery cell; A current detection module for module current; a voltage detection module for detecting battery module voltage; a power detection module for detecting battery module power; and a control connected to the discharge circuit, current detection module, voltage detection module, and power detection module Unit; wherein, the battery module composed of more than one battery in series.
  • the current, voltage and power of the battery module can be adjusted in real time through the plug-in control module matched with the battery module. When the battery module is plugged and unplugged with power, arcing and ignition can be avoided; so that the battery pack can be charged safely and stably Plug and unplug.
  • it further includes a temperature measurement module for detecting the temperature of the battery module; the temperature measurement module is connected to the control unit.
  • the discharge circuit includes a resistor and a switch tube, one end of the resistor is connected to the first end of the switch tube, the other end of the resistor is connected to one end of the battery core, and the second end of the switch tube is connected to the other end of the battery core.
  • the third end of the switch tube is connected with the control unit.
  • the temperature measurement module is attached to the surface of the battery module to detect the temperature value of the battery module to prevent the temperature from exceeding the temperature safety threshold range.
  • the battery plug-in box is further provided with plug-in terminals for connecting the battery module and a battery module fixing bar for fixing the battery module.
  • the battery modules in the battery plug-in box are connected with other battery modules of the battery pack through plug-in terminals.
  • the plug-in terminals ensure reliable and stable connection between the battery module and other battery modules in the battery pack, and prevent the battery module from being inserted in the wrong sequence and causing the battery control system to burn out.
  • the control unit further includes an indication module connected to the control unit.
  • the indicating module is used to indicate the status of the battery module, including but not limited to whether the voltage exceeds the voltage safety threshold range, whether the current exceeds the current safety threshold range, whether the power exceeds the power safety threshold range, and whether the temperature exceeds the temperature safety threshold range; the indicating module It can be an LED indicator, using the extinguishing and lighting states of multiple LED lights to correspond to the corresponding voltage, current, power, and temperature parameter range values to indicate the state of the corresponding parameter.
  • the plug-in terminal includes a plastic socket, a plastic plug, a female pin plate, a plurality of metal pin pins on the female pin plate, a female pin plate, a male pin plate, and a male pin plate
  • the female pin plate and the male pin plate are detachably connected to the plastic socket and the plastic plug, respectively, and the metal pin female head and the corresponding metal pin male head are relative to each other. match.
  • a position sensor is provided on the metal pin female head and the metal pin male head, and the position sensor is electrically connected with the control unit.
  • the plastic socket and the plastic plug are respectively provided with a female through hole and a male through hole corresponding to the size of the metal pin female head and the metal pin male head, and the metal pin female head and the metal pin male head
  • the protruding lengths of the metal pin female head and the metal pin male head are defined by the female head through hole and the male head through hole respectively.
  • a lithium battery control system supporting live plugging and unplugging includes:
  • the control unit receives the output signals of the current detection module, voltage detection module, and power detection module, compares it with the current safety threshold range, voltage safety threshold range, and power safety threshold range preset in the control unit, and judges the current, voltage, and power of the battery module. Whether the power exceeds the corresponding threshold range, so as to control the action of the discharge loop to control the current, voltage and power within the corresponding threshold range.
  • the temperature measurement module detects the temperature of the battery module and feeds it back to the control unit, compares it with the preset temperature safety threshold range in the control unit, and judges whether the temperature of the battery module exceeds the corresponding threshold range, thereby controlling the action of the discharge loop to control the temperature in the corresponding Within the temperature safety threshold range.
  • the position sensor output signal is sent to the control unit, and the control unit determines whether the metal pin female header and the metal pin male header on the plug-in terminals of the battery module are plugged into place. If plugged into place, the control unit controls the switch to respond Closed, so that the battery module is connected in parallel with other battery modules of the battery pack for supplying power to the load.
  • the current module detects the current value on the line where the battery module is located and feeds it back to the control unit in real time
  • the voltage detection module detects the voltage value at both ends of the battery module and feeds it back to the control unit in real time.
  • the power detection module detects the power of the battery module and feeds it back to the control unit in real time.
  • the control unit is preset with a voltage safety threshold range, a current safety threshold range, and a power safety threshold range; the current detection module detects the current value of the battery module in real time Feedback to the control unit; when the current value of the battery module exceeds the preset current safety threshold range, the control unit controls the action of the discharge loop to adjust the current value of a single cell, thereby adjusting the current of the line where the battery module is located; The detection module detects the voltage value at both ends of the battery module and feeds it back to the control unit in real time.
  • the control unit controls the battery cell to disconnect; the power detection module detects the power level of the battery module Real-time feedback to the control unit, when the power level of the battery module exceeds the preset power safety threshold range, the control unit controls the action of the discharge loop to adjust the power level of a single cell, thereby adjusting the power level of the battery module. Even if the battery pack is in standby or normally powered on to supply power to the load, the current, voltage and power of the battery module can be adjusted in real time through the plug-in control module matched with the battery module. The phenomenon of arcing and ignition; in order to make the battery pack safe and stable live plugging and unplugging.
  • the lithium battery module is fixed by the battery module fixing bar to prevent it from falling off.
  • the plug-in terminal is reliable, and no arc will be generated when the power is turned on; plug it in to ensure that it can be discharged.
  • the current safety threshold range it stops, such as when it exceeds the current safety threshold range of 25A. Limit current to prevent arcing and electric spark.
  • FIG. 1 is a schematic diagram of the principle of a battery pack circuit provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the principle of a lithium battery control system supporting live plugging and unplugging provided by an embodiment of the present invention
  • FIG. 3 is a front disassembly diagram of the quick plug-in terminal of the lithium battery according to this embodiment
  • FIG. 4 is a disassembled diagram of the left side three-dimensional structure of the lithium battery quick plug-in terminal according to this embodiment
  • FIG. 5 is a disassembled diagram of the right side three-dimensional structure of the lithium battery quick plug-in terminal according to this embodiment
  • FIG. 6 is a schematic diagram of the assembly structure of the lithium battery quick plug-in terminal according to this embodiment.
  • FIG. 7 is a schematic diagram of the plug-in state of the quick plug-in terminal of the lithium battery according to this embodiment.
  • Fig. 8 is a schematic structural diagram of a battery case provided by an embodiment of the present invention.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging, which includes: a plug-in control module that cooperates with the battery module 112; the plug-in control module includes a discharge circuit connected in parallel with the battery cell 111; and is used for battery detection.
  • a current detection module for module current a voltage detection module for detecting battery module voltage; a power detection module for detecting battery module power; and a control connected to the discharge circuit, current detection module, voltage detection module, and power detection module Unit; wherein, one or more of the battery cells 111 are sequentially connected in series to form the battery module.
  • the two ends of more than one battery module 112 are connected in parallel to form the battery pack 110.
  • the current module detects the current value on the line where the battery module 112 is located and feeds it back to the control unit in real time
  • the voltage detection module detects the voltage value across the battery module 112 and feeds it back to the control unit in real time
  • the power detection module detects the battery. The power level of the module 112 is fed back to the control unit in real time.
  • the control unit is preset with a voltage safety threshold range, a current safety threshold range, and a power safety threshold range; the current value of the battery module 112 detected by the current detection module is fed back to the control in real time Unit; when the current value of the battery module 1 exceeds the preset current safety threshold range, the control unit controls the discharge loop action to adjust the current value of a single cell 111, thereby adjusting the current of the line where the battery module 112 is located; voltage The detection module detects that the voltage value across the battery module 112 is fed back to the control unit in real time.
  • the control unit controls the battery cell 111 to disconnect; the power detection module detects the battery module The power level of 112 is fed back to the control unit in real time.
  • the control unit controls the action of the discharge loop to adjust the power level of a single cell 111, thereby adjusting the power level of the battery module 112. Power size.
  • the current, voltage and power of the battery module 112 can be adjusted in real time through the plug-in control module matched with the battery module 112, and the battery module can be plugged and unplugged with power. At 112 hours, the phenomenon of arcing and ignition can be avoided; so that the battery pack 110 can be plugged and unplugged safely and stably.
  • 15 battery cells 111 are connected in series to form a battery module 112, and more than one battery modules 112 are connected in parallel to form a battery pack 110; more than one battery pack 110 provides power to the load 211.
  • the battery control system is connected to the plug-in terminals through a wire harness, and monitors the battery module 112. After the battery module 112 is inserted into the battery case through the plug-in terminal, the battery module 112 is fixed by the battery module fixing bar to prevent it from falling off.
  • the plug-in terminal is reliable, and no arc will be generated when the power is turned on; plug it in to ensure that it can be discharged.
  • the current safety threshold range it stops, such as when it exceeds the current safety threshold range of 25A. Limit current to prevent arcing and electric spark.
  • the technical solution of the embodiment of the present invention can be used to maintain continuous power supply during this process, avoid the disappearance of communication signals, and improve the experience of mobile phone users. In the event of a major disaster, ensure the safe and reliable operation of the power supply system to avoid personnel and property losses.
  • the battery plug-in box 311 serves as a fixed case for the battery module 112, and the battery module 112 is inserted into the battery plug-in box 311 through plug-in terminals.
  • the battery control system monitors the power-on sequence and insertion position of the battery by plugging and unplugging the terminals, judging whether the system is properly plugged in, and then performing power-on management to avoid the phenomenon of power-on arcing.
  • the battery control system is connected to the plug-in terminal through a wire harness to monitor the lithium battery.
  • a lithium battery control system supporting live plugging and unplugging in this embodiment belongs to the technical field of lithium batteries used in the communication backup power industry.
  • This embodiment supports online replacement of the battery module 112.
  • the battery module 112 is inserted into the battery box 311 through a customized plug-in terminal (such as the plug-in terminal described in Example 7), and the position of the plug-in terminal (hot plug terminal) is judged Different lengths of the inner pins are customized, and the long pin connection position of the terminal is judged to determine whether it is connected reliably) to ensure the continuous and stable power supply of the battery system to the power system.
  • the plug-in terminal includes a plurality of the metal pin male heads 4, the length of the metal pin male head 4 is designed to be different, and one of the metal pin male heads 4 is selected as the longest length Marked as the long metal pin male head, the length of the other metal pin male heads 4 is shorter than the length of the long metal pin male head.
  • the metal pin male head 4 are expansion heads; connected to the relay at the bottom of the metal pin female head 6 matching the long metal pin male head, the relay switch button is arranged at the bottom of the metal pin female head 6, the relay output and control
  • the plug-in terminal connected with the battery module 112 is inserted into the battery plug-in box 311
  • the long metal pin male head is inserted into the matching metal pin female head 6.
  • the long metal pin The end of the metal pin male head touches or squeezes the relay switch button at the bottom of the metal pin female head 6, and the relay output terminal sends a signal to the control unit.
  • control unit After the control unit receives the signal, it determines that the long metal pin male head has been Inserted in place, it means that other metal pin male headers 4 with a length shorter than the long metal pin male header have also been inserted in place, indicating that the electrical signal of the inserted battery module 112 is in good contact; the control unit controls the opening and the inserted battery module
  • the switch (which may be a switch tube, such as IGBT or MOSFET) on the loop 112 connected in parallel connects the battery module 112 to the battery pack 110 and is connected in parallel with the battery pack 110.
  • the newly inserted battery module 112 is safely and reliably plugged in, and the power is supplied after the reliable contact is ensured, so that dangerous situations such as arcing and ignition will not occur.
  • the control unit controls the switch on the loop parallel to the pre-unplugged battery module 112 to turn off, and the pre-unplugged battery module 112 is about to be turned off. , Maintain the electrical connection and disconnection with the battery pack 110, and then unplug the pre-unplugged battery module 112 from the battery pack 110. Ensure the safety of plugging and unplugging, and there will be no dangerous situations such as arcing and fire.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging.
  • the following improvements can be made: It also includes a temperature measurement module for detecting the temperature of the battery module 112; the temperature measurement module Connect with the control unit.
  • the temperature measurement module detects the temperature of the battery module 112 and feeds it back to the control unit in real time.
  • the control unit is preset with a temperature safety threshold range of the battery module 112. If the temperature exceeds the temperature safety threshold range, the battery module 112 If the temperature is too high, the control unit controls the battery module 112 to be disconnected from the battery pack 110 to prevent the battery module 112 from being burned out due to the high temperature.
  • the discharge circuit includes a resistor and a switch tube, and one end of the resistor is connected to the switch tube. The first end is connected, the other end of the resistor is connected to one end of the cell 111, the second end of the switch tube is connected to the other end of the cell 111, and the third end of the switch tube is connected to the control unit.
  • the switch can be a transistor or a MOSFET.
  • the switch is a transistor, the first end of the switch is the collector, the second end is the emitter, and the third end is the base; when the switch is the MOSFET, the switch The first end of the tube is the drain, the second end is the source, and the third end is the gate.
  • the control unit controls the switching off of the switch tube to determine whether the two ends of the battery cell 111 are connected in parallel, thereby changing the current on the battery cell 111, thereby changing the current on the line where the battery module 112 is located, and limiting the current size at the moment of live plugging and unplugging. Prevent sparking or arcing.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging. According to the technical solution described in any one of the embodiments 1-3, the following improvements can be made: the temperature measurement module is attached to the surface of the battery module 112 . It is used to detect the temperature value of the battery module 112 to prevent the temperature from being too high and exceeding the temperature safety threshold range.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging. According to the technical solution described in any one of the embodiments 1-4, the following improvements can be made: a battery plug-in box 311 is further included, and the battery plug-in box 311 is A plug-in terminal for connecting the battery module 112 and a battery module fixing bar for fixing the battery module 112 are provided.
  • the battery module 112 in the battery plug box 311 is connected to the other battery modules 112 of the battery pack 110 through plug-in terminals.
  • the plug-in terminals ensure a reliable and stable connection between the battery module 112 and the other battery modules 112 of the battery pack 110, and prevent the battery module 112 from being inserted in a sequence error, causing the battery control system to burn out.
  • the battery plug-in box 311 serves as a case where the battery module 112 is fixed to form the battery pack 110, and the battery module 112 is inserted into the battery plug-in box 311 through plug-in terminals.
  • the battery module 112 fixing strip is used to fix the battery module 112 in the battery plug-in box 311 to prevent the wiring harness connected to the battery module 112 from being damaged.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging. According to the technical solution described in any one of the embodiments 1-5, the following improvements can be made: an indication module is further included, and the indication module is connected to the control unit.
  • the indication module is used to indicate the status of the battery module 112, including but not limited to whether the voltage exceeds the voltage safety threshold range, whether the current exceeds the current safety threshold range, whether the power exceeds the power safety threshold range, and whether the temperature exceeds the temperature safety threshold range;
  • the module can be an LED indicator, using the off and on states of multiple LED lights to correspond to the corresponding voltage, current, power, and temperature parameter range values to indicate the state of the corresponding parameter.
  • a lithium battery fast Plug-in terminals including a plastic socket 1, a plastic plug 2, a female pin board 5, a number of metal pin female pins 6 on the female pin board 5, a male pin board 3, and a male pin board 3
  • a lithium battery fast Plug-in terminals including a plastic socket 1, a plastic plug 2, a female pin board 5, a number of metal pin female pins 6 on the female pin board 5, a male pin board 3, and a male pin board 3
  • the metal pin male headers 4 on the needle plate 3 the female pin plate 5 and the male pin plate 3 are detachably connected to the plastic socket 1 and the plastic plug 2, respectively, and the metal pin female head 6
  • the metal pin male header 4 includes a positive electrode male header 42, a negative electrode male header 41, a temperature monitoring male header 43, a communication male header 44, and a voltage monitoring male header 45;
  • the length of the negative male connector 41 is greater than that of the positive male connector 42, the length of the positive male connector 42 is longer than the temperature monitoring male connector 43, and the
  • the female pin plate 5 and the male pin plate 3 are detachably connected to the plastic socket 1 and the plastic plug 2 through an inverted structure.
  • the inverted buckle structure is formed by the mating of the female pin board buckle 52 on the female pin board 5 and the socket card slot 12, or the male pin board buckle 32 on the male pin board 3 and The plug slot 22 is formed in cooperation.
  • the plastic socket 1 and the plastic plug 2 are respectively provided with a metal pin female 6 and a metal pin male 4 with a female through hole 13 and a male through hole 23, and the metal pin female 6 and the metal pin male head 4 define the protruding length of the metal pin female head 6 and the metal pin male head 4 through the female through hole 13 and the male through hole 23, respectively.
  • the plastic plug 2 is provided with an upper frame 24 and a lower frame 25, and the plastic socket 1 is provided with an upper protruding structure 14 and a lower protruding structure 15 that cooperate with the upper frame 24 and the lower frame 25, so
  • the upper frame 24 includes a positive male connector 42, a negative male connector 41, a temperature monitoring male connector 43, and a male through hole 23 corresponding to the communication male connector 24.
  • the lower frame 25 includes a male through hole 23 corresponding to the voltage monitoring male connector 45. Holes 23, the female through holes 13 are correspondingly provided in the upper protruding structure 14 and the lower protruding structure 15.
  • the diameters of the positive electrode male connector 42 and the negative electrode male connector 41 are larger than the temperature monitoring male connector 43, and the temperature monitoring male connector 43, the communication male connector 44 and the voltage monitoring male connector 45 have the same diameter.
  • the larger the diameter of the positive male connector 42 and the negative male connector 41 the greater the current that can flow.
  • the large-diameter negative male connector 41 has the longest length. When it is in contact with the corresponding negative female connector 61, the rest can be accurately positioned.
  • the insertion positions of the metal pin male 4 and the metal pin female 6 greatly enhance the insertion efficiency.
  • the negative electrode male head 41 is arranged between a plurality of positive electrode male heads 42.
  • the plastic plug 2 is provided with a guide protrusion structure 21
  • the plastic socket 1 is provided with a guide groove structure 11, and the guide protrusion structure 21 cooperates with the guide groove structure 11 for guiding and positioning the metal pin The plugging position of the male connector 4 and the metal pin female connector 6.
  • the metal pin female 6 and the corresponding metal pin male 4 on the female pin board 5 and the male pin board 3 are respectively provided with a female digital ID 51 and a male digital ID 41. It is used to identify the corresponding positions of the metal pin female head 6 and the metal pin male head 4.
  • the plastic socket 1 and the plastic plug 2 are separately provided with direction marks, and the direction marks include the socket direction mark 16 and the plug direction mark 26 to identify the connection direction of the plastic socket 1 and the plastic plug 2.
  • the tail of the metal pin female 6 has a female half-slot structure 66, and the metal pin male 4 has a male half-slot structure 46, which is convenient for connecting wire welding.
  • the structure When installing the structure, first install the metal pin female 6 and the metal pin male 4 on the female pin plate 5 and the male pin plate 3 respectively, and then connect the female pin plate 5 and the male pin plate through the inverted structure.
  • the male pin board 3 is installed on the plastic socket 1 and the plastic plug 2 so that the metal pin female 6 and the metal pin male 4 are in the corresponding female through holes 13 and male through holes 23 respectively.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging. According to the technical solutions described in any one of the embodiments 1-7, the following improvements can be made: the metal pin female head and the metal pin male A position sensor is arranged on the head, and the position sensor is electrically connected with the control unit.
  • the position sensor is a proximity switch, or a Hall sensor, etc.
  • the position sensor detects whether the metal pin male end of the plug-in terminal and the metal pin female end are inserted in place, so as to facilitate the control unit to control the corresponding switch
  • the action is to power on the battery module 112 to prevent poor contact due to improper insertion of the battery module 112 and the battery pack 110, and sudden power-on causing damage to the battery module 112.
  • the battery control system uses the position sensor of the plug-in terminal to detect whether each metal pin male head and the metal pin female head are inserted in place, and the corresponding insertion sequence; to monitor the power-on sequence of the battery module 112 and Insertion position, after judging whether the battery module 112 is normally inserted into the battery plug-in box 311, the power-on management is performed to avoid the phenomenon of power-on arcing.
  • This embodiment proposes a lithium battery control system that supports live plugging and unplugging.
  • the plastic socket 1 and the plastic plug 2 are respectively provided with metal
  • the female through holes 13 and the male through holes 23 corresponding to the size of the pin female 6 and the metal pin male 4
  • the metal pin female 6 and the metal pin male 4 respectively pass through the female through holes 13
  • the male through hole 23 defines the protruding length of the metal pin female 6 and the metal pin male 4.
  • the lithium battery control system supporting live plugging and unplugging includes:
  • the control unit receives the output signals of the current detection module, the voltage detection module, and the power detection module, compares it with the current safety threshold range, voltage safety threshold range, and power safety threshold range preset in the control unit, and judges the current and voltage of the battery module 112 And whether the power exceeds the corresponding threshold range, so as to control the action of the discharge loop to control the current, voltage and power within the corresponding threshold range.
  • the temperature measurement module detects the temperature of the battery module 112 and feeds it back to the control unit, compares it with the temperature safety threshold range preset in the control unit, and judges whether the temperature of the battery module 112 exceeds the corresponding threshold range, thereby controlling the action of the discharge loop to control the temperature Within the corresponding temperature safety threshold.
  • the position sensor output signal is sent to the control unit, and the control unit judges whether the metal pin female header and the metal pin male header on the plug-in terminal of the battery module 112 are plugged into place. If plugged into place, the control unit controls the switch The response is closed, so that the battery module 112 is connected in parallel with the other battery modules 112 of the battery pack 110 for supplying power to the load 211.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

一种支持带电插拔的锂电池控制系统及其控制方法，属于电池技术领域。包括与电池模块配合的插拔控制模块；所述插拔控制模块包括与电芯并联的放电回路；用于检测电池模块电流的电流检测模块；用于检测电池模块电压的电压检测模块；用于检测电池模块功率的功率检测模块；以及与所述放电回路、电流检测模块、电压检测模块和功率检测模块连接的控制单元；其中，一个以上的所述电芯依次串联组成的所述电池模块。针对现有技术中锂电池组更换时需断电操作，致使供电设备无法继续工作的技术问题，它可以在供电设备不断电的情况下更换电池模块，可以带电插拔，不会影响供电设备的正常工作。

Description

一种支持带电插拔的锂电池控制系统及其控制方法 技术领域
本发明涉及电池技术领域，尤其涉及一种支持带电插拔的锂电池控制系统及其控制方法。
背景技术
现有的通信基站等需锂电池供电的设备，多采用固定安装的锂电池组；这些供电设备在工作工程中，需要安装，扩容，维护等操作，进而需要更换对应的供电锂电池组，在此过程中多采用断电操作，需要切断供电电源，断电期间，会对正常的生产生活造成重大影响；比如通信基站的通信信号消失，直接影响手机用户的使用体验，其它供电设备也无法继续工作，在发生重大灾难时，甚至会影响救援实施，造成人员及财产损失。若在不断电的情况下直接插拔电池模块，轻者可能会产生拉弧、打火现象；重者则会引起电池组短路，烧坏的情况发生。
发明内容
1.发明要解决的技术问题
针对现有技术中锂电池组更换时需断电操作，致使供电设备无法继续工作的技术问题，本发明提供了一种支持带电插拔的锂电池控制系统及其控制方法。它可以在供电设备不断电的情况下更换电池模块，可以带电插拔，不会影响供电设备的正常工作。
2.技术方案
为解决上述问题，本发明提供的技术方案为：
一方面，本申请提出了一种支持带电插拔的锂电池控制系统，包括：与电池模块配合的插拔控制模块；所述插拔控制模块包括与电芯并联的放电回路；用于检测电池模块电流的电流检测模块；用于检测电池模块电压的电压检测模块；用于检测电池模块功率的功率检测模块；以及与所述放电回路、电流检测模块、电压检测模块和功率检测模块连接的控制单元；其中，一个以上的所述 电芯依次串联组成的所述电池模块。通过与电池模块配合的插拔控制模块可实时调整电池模块的电流、电压和功率大小，带电插拔所述电池模块时，可避免拉弧，打火的现象；以使电池组安全稳定的带电插拔。
优选地，还包括用于检测电池模块温度的测温模块；所述测温模块与控制单元连接。
优选地，所述放电回路包括电阻和开关管，所述电阻一端与开关管第一端连接，所述电阻另一端与电芯一端连接，所述开关管第二端与电芯另一端连接，所述开关管第三端与控制单元连接。
优选地，所述测温模块贴设于所述电池模块表面，用以检测电池模块的温度值，防止温度过高，超过温度安全阈值范围。
优选地，还包括电池插箱，所述电池插箱内设有用于连接电池模块的插拔端子和用于固定电池模块的电池模块固定条。电池插箱中的所述电池模块通过插拔端子与电池组其他电池模块连接。插拔端子确保电池模块与电池组其他电池模块连接可靠稳定，防止电池模块插入时，顺序出错，致使电池控制系统烧坏。
优选地，还包括指示模块，所述指示模块与控制单元连接。指示模块用以指示电池模块的状态，包括但不限于电压是否超过电压安全阈值范围，电流是否超过电流安全阈值范围，功率是否超过功率安全阈值范围，温度是否超过温度安全阈值范围；所述指示模块可以为LED指示灯，用多个LED灯的熄灭和点亮状态，分别与对应的电压、电流、功率和温度参数范围值进行对应，用以指示对应参数所处的状态。
优选地，所述插拔端子包括塑料插座、塑料插头、母头插针板、设于母头插针板上的若干金属插针母头、公头插针板和设于公头插针板上的若干金属插针公头，所述母头插针板和公头插针板分别可拆卸连接在塑料插座和塑料插头上，所述金属插针母头和对应的金属插针公头相匹配。
优选地，所述金属插针母头和所述金属插针公头上设有位置传感器，所述位置传感器与控制单元电连接。
优选地，所述塑料插座和塑料插头上分别设有金属插针母头和金属插针公头尺寸对应的母头通孔和公头通孔，所述金属插针母头和金属插针公头分别通过母头通孔和公头通孔限定金属插针母头和金属插针公头的凸出长度。
另一方面，本申请提出了一种支持带电插拔的锂电池控制方法，根据以上任一项所述的一种支持带电插拔的锂电池控制系统，包括：
控制单元接收电流检测模块、电压检测模块和功率检测模块的输出信号，与控制单元内预设的电流安全阈值范围、电压安全阈值范围、功率安全阈值范围比对，判断电池模块的电流、电压和功率是否超过对应的阈值范围，从而控制放电回路动作，以控制电流、电压和功率在对应的阈值范围内。
测温模块检测电池模块的温度反馈给控制单元，与控制单元内预设的温度安全阈值范围比对，判断电池模块的温度是否超过对应的阈值范围，从而控制放电回路动作，以控制温度在对应的温度安全阈值范围内。位置传感器输出信号发送给控制单元，控制单元判断电池模块的插拔端子上的所述金属插针母头和所述金属插针公头是否插接到位，若插接到位，控制单元控制开关响应闭合，以使电池模块与电池组的其他电池模块并联，用于为负载供电。
3.有益效果
采用本发明提供的技术方案，与现有技术相比，具有如下有益效果：
(1)本发明实施例提供的技术方案中，电流模块检测电池模块所在线路上的电流值实时反馈给所述控制单元，电压检测模块检测电池模块两端电压值实时反馈给所述控制单元，功率检测模块检测电池模块功率大小实时反馈给所述控制单元，所述控制单元内预设有电压安全阈值范围、电流安全阈值范围、功率安全阈值范围；电流检测模块检测的电池模块的电流值实时反馈给控制单元；当电池模块的电流值超过预设的电流安全阈值范围时，所述控制单元控制放电回路动作，调节单个电芯的电流值大小，从而调节电池模块所在线路的电流大小；电压检测模块检测电池模块两端的电压值实时反馈给控制单元，当电池模块的电压值超过预设的电压安全阈值范围时，控制单元控制所述电芯断开；功率检测模块检测电池模块的功率大小实时反馈给控制单元，当电池模块的功率 大小超过预设的功率安全阈值范围时，控制单元控制放电回路动作，从而调节单个电芯的功率大小，从而调节电池模块的功率大小。即使所述电池组处于待机或正常通电为负载供电状态下，通过与电池模块配合的插拔控制模块可实时调整电池模块的电流、电压和功率大小，带电插拔所述电池模块时，可避免拉弧，打火的现象；以使电池组安全稳定的带电插拔。
(2)本发明实施例提供的技术方案中，电池模块通过插拔端子插入到电池机箱后，通过电池模块固定条对锂电池模块进行固定，防止其脱落。通过相应的控制方法，带电操作时，保证插拔端子可靠，上电不会产生电弧；插进去保证可以放电，当电流超过电流安全阈值范围后停掉，比如超过流安全阈值范围25A后进行限流，防止产生拉弧和电火花。
附图说明
图1是本发明实施例提供的电池组电路原理示意图；
图2是本发明实施例提供的一种支持带电插拔的锂电池控制系统的原理示意图；
图3为本实施例所述的锂电池快速插拔端子的主视拆解图；
图4为本实施例所述的锂电池快速插拔端子的左侧立体结构拆解图；
图5为本实施例所述的锂电池快速插拔端子的右侧立体结构拆解图；
图6为本实施例所述的锂电池快速插拔端子的组装结构示意图；
图7为本实施例所述的锂电池快速插拔端子的插接状态示意图；
图8为本发明实施例提供的电池机箱结构示意图。
具体实施方式
为进一步了解本发明的内容，结合附图及实施例对本发明作详细描述。
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释相关发明，而非对该发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与发明相关的部分。本发明中所述的第一、第二等词语，是为了描述本发明的技术方案方便而设置，并没有特定的限定作用，均为泛指，对本发明的技术方案不构成限定作用。需要说明 的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
实施例1
本实施例提出了一种支持带电插拔的锂电池控制系统，包括：与电池模块112配合的插拔控制模块；所述插拔控制模块包括与电芯111并联的放电回路；用于检测电池模块电流的电流检测模块；用于检测电池模块电压的电压检测模块；用于检测电池模块功率的功率检测模块；以及与所述放电回路、电流检测模块、电压检测模块和功率检测模块连接的控制单元；其中，一个以上的所述电芯111依次串联组成的所述电池模块。一个以上所述电池模块112两端并联组成所述电池组110。
如图2所示，电流模块检测电池模块112所在线路上的电流值实时反馈给所述控制单元，电压检测模块检测电池模块112两端电压值实时反馈给所述控制单元，功率检测模块检测电池模块112功率大小实时反馈给所述控制单元，所述控制单元内预设有电压安全阈值范围、电流安全阈值范围、功率安全阈值范围；电流检测模块检测的电池模块112的电流值实时反馈给控制单元；当电池模块1的电流值超过预设的电流安全阈值范围时，所述控制单元控制放电回路动作，调节单个电芯111的电流值大小，从而调节电池模块112所在线路的电流大小；电压检测模块检测电池模块112两端的电压值实时反馈给控制单元，当电池模块112的电压值超过预设的电压安全阈值范围时，控制单元控制所述电芯111断开；功率检测模块检测电池模块112的功率大小实时反馈给控制单元，当电池模块112的功率大小超过预设的功率安全阈值范围时，控制单元控制放电回路动作，从而调节单个电芯111的功率大小，从而调节电池模块112的功率大小。即使所述电池组110处于待机或正常通电为负载211供电状态下，通过与电池模块112配合的插拔控制模块可实时调整电池模块112的电流、电压和功率大小，带电插拔所述电池模块112时，可避免拉弧，打火的现象；以使电池组110安全稳定的带电插拔。
在具体应用时，如图1所示，15个电芯111串联组成一个电池模块112， 一个以上的电池模块112并联组成一个电池组110；一个以上的电池组110为负载211供电。电池控制系统通过线束与插拔端子相连，对电池模块112进行监控。电池模块112通过插拔端子插入到电池机箱后，通过电池模块固定条对电池模块112进行固定，防止其脱落。通过相应的控制方法，带电操作时，保证插拔端子可靠，上电不会产生电弧；插进去保证可以放电，当电流超过电流安全阈值范围后停掉，比如超过流安全阈值范围25A后进行限流，防止产生拉弧和电火花。
在通信电源系统安装，扩容，维护，更换电池组110时，采用本发明实施例的技术方案内容，可以在此过程中保持电源持续供电，避免通信信号消失，提高手机用户的体验感，在发生重大灾难时，保证电源系统的安全可靠运行，避免造成人员及财产损失。
如图1所示，电池插箱311作为电池模块112的固定机箱，电池模块112通过插拔端子插入到电池插箱311中。
如图2所示，电池控制系统通过插拔端子来监测电池的上电顺序以及插入位置，判断系统是否正常插入后进行上电管理，避免引起上电拉弧现象。所述电池控制系统通过线束与插拔端子相连，对锂电池进行监控。
本实施例的一种支持带电插拔的锂电池控制系统，属于通信备用电源行业用锂电池技术领域。本实施例支持电池模块112的在线更换，电池模块112通过定制的插拔端子(如实施例7中所述插拔端子)插入电池插箱311，通过判断接插端子的位置(热插拔端子内插针定制不同长度，通过判断端子长插针连接位置，判定其是否可靠连接)，保证电池系统持续稳定的给电源系统供电。具体地，所述插拔端子包含多个所述金属插针公头4，金属插针公头4的长度设计长短不一，任选其中一根金属插针公头4设为长度最长的记为长金属插针公头，其余金属插针公头4的长度均短于长金属插针公头的长度，为确保与金属插针母头6的良好接触，所述金属插针公头4均为膨胀头；在与长金属插针公头匹配的金属插针母头6底部与继电器连接，所述继电器开关按钮设于所述金属插 针母头6底部，所述继电器输出与控制单元连接，当连接有所述电池模块112的插拔端子插入电池插箱311后，长金属插针公头插入与之匹配的金属插针母头6内，当插接到位时，所述长金属插针公头的端头接触或挤压金属插针母头6底部的继电器开关按钮，继电器输出端向控制单元发送信号，控制单元接收到该信号后，判断出长金属插针公头已经插接到位，即代表其他长度短于该长金属插针公头的金属插针公头4也已经插接到位，代表插入的电池模块112电信号接触良好；控制单元控制打开与插入的电池模块112并联的回路上的开关(可以为开关管，比如IGBT或MOSFET)，将所述电池模块112接入所述电池组110中，与电池组110并联。实现新插入的电池模块112安全可靠插接，确保接触可靠后，再进行供电，不会发生拉弧打火等危险情况。实现电池组110带电的插拔电池模块112，当预备拔掉某电池模块112时，通过控制单元控制与预拔掉的电池模块112并联的回路上的开关关闭，即将预拔掉的电池模块112，与电池组110保持电连接断开关系，再将预拔掉的电池模块112从电池组110上拔掉。确保插拔安全，不会发生拉弧打火等危险情况。
实施例2
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1所述技术方案还可以作如下改进：还包括用于检测电池模块112温度的测温模块；所述测温模块与控制单元连接。测温模块检测电池模块112的温度实时反馈给所述控制单元，所述控制单元内预设有电池模块112的温度安全阈值范围，若所述温度超过所述温度安全阈值范围，即电池模块112温度过高，则控制单元控制所述电池模块112与所述电池组110断开，以防止温度过高，烧坏电池模块112。
实施例3
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1或2所述技术方案还可以作如下改进：所述放电回路包括电阻和开关管，所述电阻一端与开关管第一端连接，所述电阻另一端与电芯111一端连接，所述开关管第二端与电芯111另一端连接，所述开关管第三端与控制单元连接。
开关管可选择晶体管或者MOSFET，选择开关管为晶体管时，所述开关管第一端为集电极，第二端为发射极，第三端为基极；选择开关管为MOSFET时，所述开关管第一端为漏极，第二端为源极，第三端为门极。通过控制单元控制开关管的关断，决定电芯111两端是否并联电阻，从而改变电芯111上的电流，进而改变电池模块112所在线路上的电流大小，限定带电插拔瞬间的电流大小，防止出现打火或者拉弧现象。
实施例4
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-3任一项所述技术方案还可以作如下改进：所述测温模块贴设于所述电池模块112表面。用以检测电池模块112的温度值，防止温度过高，超过温度安全阈值范围。
实施例5
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-4任一项所述技术方案还可以作如下改进：还包括电池插箱311，所述电池插箱311内设有用于连接电池模块112的插拔端子和用于固定电池模块112的电池模块固定条。
电池插箱311中的所述电池模块112通过插拔端子与电池组110其他电池模块112连接。插拔端子确保电池模块112与电池组110其他电池模块112连接可靠稳定，防止电池模块112插入时，顺序出错，致使电池控制系统烧坏。
电池插箱311作为电池模块112固定的机箱，以形成所述电池组110，电池模块112通过插拔端子插入到电池插箱311。电池插箱311、电池模块112、还包括通讯模块(可采用蓝牙、无线网络等方式通讯)，所述插拔端子上带有通讯端口，用于连接数据存储模块与所述电池控制系统的通信，存储板与所述电池控制系统之间的通讯，电池模块112固定条用于将电池模块112固定在电池插箱311内，防止与电池模块112连接的线束受到损坏。
实施例6
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-5任一项所述技术方案还可以作如下改进：还包括指示模块，所述指示模块与控制单元连接。
指示模块用以指示电池模块112的状态，包括但不限于电压是否超过电压安全阈值范围，电流是否超过电流安全阈值范围，功率是否超过功率安全阈值范围，温度是否超过温度安全阈值范围；所述指示模块可以为LED指示灯，用多个LED灯的熄灭和点亮状态，分别与对应的电压、电流、功率和温度参数范围值进行对应，用以指示对应参数所处的状态。
实施例7
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-5任一项所述技术方案还可以作如下改进：如图1～图5所示的一种锂电池快速插拔端子，包括塑料插座1、塑料插头2、母头插针板5、设于母头插针板5上的若干金属插针母头6、公头插针板3和设于公头插针板3上的若干金属插针公头4，所述母头插针板5和公头插针板3分别可拆卸连接在塑料插座1和塑料插头2上，所述金属插针母头6和对应的金属插针公头4相匹配，所述金属插针公头4包括正极公头42、负极公头41、温度监测公头43、通讯公头44和电压监测公头45；所述负极公头41长度大于正极公头42，所述正极公头42长度大于温度监测公头43，所述温度监测公头43、通讯公头44和电压监测公头45的长度相等。对应的，所述金属插针母头6上设有正极母头62、负极母头61、温度监测母头63、通讯母头64和电压监测母头65。
其中，所述母头插针板5和公头插针板3通过倒扣结构分别与塑料插座1和塑料插头2可拆卸连接。所述倒扣结构由母头插针板5上的母头插针板卡扣52和插座卡槽12相配合构成，或由公头插针板3上的公头插针板卡扣32和插头卡槽22相配合构成。
其中，所述塑料插座1和塑料插头2上分别设有金属插针母头6和金属插针公头4尺寸对应的母头通孔13和公头通孔23，所述金属插针母头6和金属插针公头4分别通过母头通孔13和公头通孔23限定金属插针母头6和金属插针 公头4的凸出长度。
其中，所述塑料插头2上设有上部框架24和下部框架25，所述塑料插座1上设有与上部框架24和下部框架25相配合的上部凸出结构14和下部凸出结构15，所述上部框架24包括正极公头42、负极公头41、温度监测公头43和通讯公头24所对应的公头通孔23，所述下部框架25包括电压监测公头45对应的公头通孔23，所述母头通孔13对应设在上部凸出结构14和下部凸出结构15中。
其中，所述正极公头42和负极公头41的直径大于温度监测公头43，所述温度监测公头43、通讯公头44和电压监测公头45直径相同。正极公头42和负极公头41直径越大，可以流经的电流越大，此外大直径的负极公头41长度最长，在其与对应的负极母头61接触时，则可以精确定位其余金属插针公头4和金属插针母头6的插入位置，大大增强插接效率。
其中，所述负极公头41设于若干正极公头42之间。
其中，所述塑料插头2上设导向凸起结构21，所述塑料插座1上设导向凹槽结构11，所述导向凸起结构21与导向凹槽结构11相配合用于导向定位金属插针公头4和金属插针母头6的插接位置。
其中，所述母头插针板5和公头插针板3上的金属插针母头6和对应的金属插针公头4处分别设有母头数字标识51和公头数字标识41。用以标识金属插针母头6和金属插针公头4的相互对应位置。
其中，所述塑料插座1和塑料插头2上本别设有方向标识，所述方向标识包括插座方向标识16和插头方向标识26，用以识别塑料插座1和塑料插头2的连接方向。
其中，所述金属插针母头6尾部为母头半槽结构66，所述金属插针公头4尾部为公头半槽结构46，便于连接线焊接。
结构安装时，先将金属插针母头6和金属插针公头4分别安装在母头插针板5和公头插针板3上，再通过倒扣结构将母头插针板5和公头插针板3分别安装在塑料插座1和塑料插头2上使得金属插针母头6和金属插针公头4分别处于对应的母头通孔13和公头通孔23中即可。
使用时，根据插头方向标识26和插座方向标识16调整塑料插座1和塑料插头2的方向，并将导向凸起结构21与导向凹槽结构11连接，之后先对准负极公头41与负极母头61插入后，直接插入，则对应的正极公头42和正极母头62、温度监测公头43和温度监测母头63、通讯公头44和通信母头64、电压监测公头45和电压监测母头65均处于对准状态。节约端子操作时间，大大提高安装、维修或更换效率。
实施例8
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-7任一项所述技术方案还可以作如下改进：所述金属插针母头和所述金属插针公头上设有位置传感器，所述位置传感器与控制单元电连接。
所述位置传感器为接近开关，或霍尔传感器等，通过位置传感器检测所述插拔端子的所述金属插针公头是否和所述金属插针母头插到位，从而方便控制单元控制相应开关动作为所述电池模块112上电，防止电池模块112与电池组110插接不到位存在的接触不良，突然上电致使电池模块112损坏。
所述电池控制系统通过插拔端子的位置传感器来检测各个金属插针公头和所述金属插针母头是否插接到位，以及对应的插接顺序；来监测电池模块112的上电顺序以及插入位置，判断电池模块112是否正常插入电池插箱311后，进行上电管理，避免引起上电拉弧现象。
实施例9
本实施例提出了一种支持带电插拔的锂电池控制系统，根据实施例1-8任一项所述技术方案还可以作如下改进：所述塑料插座1和塑料插头2上分别设有金属插针母头6和金属插针公头4尺寸对应的母头通孔13和公头通孔23，所述金属插针母头6和金属插针公头4分别通过母头通孔13和公头通孔23限定金属插针母头6和金属插针公头4的凸出长度。
实施例10
本实施例提出了一种支持带电插拔的锂电池控制方法，根据权利要求1-9任一项所述的一种支持带电插拔的锂电池控制系统，包括：
控制单元接收电流检测模块、电压检测模块和功率检测模块的输出信号，与控制单元内预设的电流安全阈值范围、电压安全阈值范围、功率安全阈值范围比对，判断电池模块112的电流、电压和功率是否超过对应的阈值范围，从而控制放电回路动作，以控制电流、电压和功率在对应的阈值范围内。
测温模块检测电池模块112的温度反馈给控制单元，与控制单元内预设的温度安全阈值范围比对，判断电池模块112的温度是否超过对应的阈值范围，从而控制放电回路动作，以控制温度在对应的温度安全阈值范围内。
位置传感器输出信号发送给控制单元，控制单元判断电池模块112的插拔端子上的所述金属插针母头和所述金属插针公头是否插接到位，若插接到位，控制单元控制开关响应闭合，以使电池模块112与电池组110的其他电池模块112并联，用于为负载211供电。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离本申请构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (10)

  1. 一种支持带电插拔的锂电池控制系统，其特征在于，包括：与电池模块配合的插拔控制模块；所述插拔控制模块包括与电芯并联的放电回路；用于检测电池模块电流的电流检测模块；用于检测电池模块电压的电压检测模块；用于检测电池模块功率的功率检测模块；以及与所述放电回路、电流检测模块、电压检测模块和功率检测模块连接的控制单元；
    其中，一个以上的所述电芯依次串联组成的所述电池模块。
  2. 根据权利要求1所述的一种支持带电插拔的锂电池控制系统，其特征在于，还包括用于检测电池模块温度的测温模块；所述测温模块与控制单元连接。
  3. 根据权利要求1所述的一种支持带电插拔的锂电池控制系统，其特征在于，所述放电回路包括电阻和开关管，所述电阻一端与开关管第一端连接，所述电阻另一端与电芯一端连接，所述开关管第二端与电芯另一端连接，所述开关管第三端与控制单元连接。
  4. 根据权利要求2所述的一种支持带电插拔的锂电池控制系统，其特征在于，所述测温模块贴设于所述电池模块表面。
  5. 根据权利要求2所述的一种支持带电插拔的锂电池控制系统，其特征在于，还包括电池插箱，所述电池插箱内设有用于连接电池模块的插拔端子和用于固定电池模块的电池模块固定条。
  6. 根据权利要求2所述的一种支持带电插拔的锂电池控制系统，其特征在于，还包括指示模块，所述指示模块与控制单元连接。
  7. 根据权利要求5所述的一种支持带电插拔的锂电池控制系统，其特征在于，所述插拔端子包括塑料插座、塑料插头、母头插针板、设于母头插针板上 的若干金属插针母头、公头插针板和设于公头插针板上的若干金属插针公头，所述母头插针板和公头插针板分别可拆卸连接在塑料插座和塑料插头上，所述金属插针母头和对应的金属插针公头相匹配。
  8. 根据权利要求7所述的一种支持带电插拔的锂电池控制系统，其特征在于，所述金属插针母头和所述金属插针公头上设有位置传感器，所述位置传感器与控制单元电连接。
  9. 根据权利要求7所述的一种支持带电插拔的锂电池控制系统，其特征在于，所述塑料插座和塑料插头上分别设有金属插针母头和金属插针公头尺寸对应的母头通孔和公头通孔，所述金属插针母头和金属插针公头分别通过母头通孔和公头通孔限定金属插针母头和金属插针公头的凸出长度。
  10. 一种支持带电插拔的锂电池控制方法，其特征在于，根据权利要求1-9任一项所述的一种支持带电插拔的锂电池控制系统，包括：
    控制单元接收电流检测模块、电压检测模块和功率检测模块的输出信号，与控制单元内预设的电流安全阈值范围、电压安全阈值范围、功率安全阈值范围比对，判断电池模块的电流、电压和功率是否超过对应的阈值范围，从而控制放电回路动作，以控制电流、电压和功率在对应的阈值范围内。
PCT/CN2020/119450 2020-03-19 2020-09-30 一种支持带电插拔的锂电池控制系统及其控制方法 WO2021184730A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010198123.6A CN111262307A (zh) 2020-03-19 2020-03-19 一种支持带电插拔的锂电池控制系统及其控制方法
CN202010198123.6 2020-03-19

Publications (1)

Publication Number Publication Date
WO2021184730A1 true WO2021184730A1 (zh) 2021-09-23

Family

ID=70951756

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/119450 WO2021184730A1 (zh) 2020-03-19 2020-09-30 一种支持带电插拔的锂电池控制系统及其控制方法

Country Status (2)

Country Link
CN (1) CN111262307A (zh)
WO (1) WO2021184730A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111262307A (zh) * 2020-03-19 2020-06-09 卧龙电气驱动集团股份有限公司 一种支持带电插拔的锂电池控制系统及其控制方法
CN112180301B (zh) * 2020-08-31 2023-10-20 科华恒盛股份有限公司 一种应用于连接器的检测装置
CN113162188B (zh) * 2021-05-07 2024-04-12 广东汇天航空航天科技有限公司 电动载人飞行器充电控制方法、装置及系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966360U (zh) * 2010-11-25 2011-09-07 浙江特拉瓦新能源科技有限公司 充电桩电连接器
CN205194804U (zh) * 2015-12-11 2016-04-27 河海大学 一种具有保护和监视功能的蓄电池系统
US20180080990A1 (en) * 2016-09-19 2018-03-22 Lg Chem, Ltd. Battery testing apparatus and method
CN109361026A (zh) * 2018-08-16 2019-02-19 江苏玖宇实业有限公司 一种蓄电池保护方法
CN208986311U (zh) * 2018-12-10 2019-06-14 深圳市安菲特科技发展有限公司 一种用于共享电池的电源连接器
CN111262307A (zh) * 2020-03-19 2020-06-09 卧龙电气驱动集团股份有限公司 一种支持带电插拔的锂电池控制系统及其控制方法
CN211744077U (zh) * 2020-03-19 2020-10-23 卧龙电气驱动集团股份有限公司 一种支持带电插拔的锂电池控制系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201966360U (zh) * 2010-11-25 2011-09-07 浙江特拉瓦新能源科技有限公司 充电桩电连接器
CN205194804U (zh) * 2015-12-11 2016-04-27 河海大学 一种具有保护和监视功能的蓄电池系统
US20180080990A1 (en) * 2016-09-19 2018-03-22 Lg Chem, Ltd. Battery testing apparatus and method
CN109361026A (zh) * 2018-08-16 2019-02-19 江苏玖宇实业有限公司 一种蓄电池保护方法
CN208986311U (zh) * 2018-12-10 2019-06-14 深圳市安菲特科技发展有限公司 一种用于共享电池的电源连接器
CN111262307A (zh) * 2020-03-19 2020-06-09 卧龙电气驱动集团股份有限公司 一种支持带电插拔的锂电池控制系统及其控制方法
CN211744077U (zh) * 2020-03-19 2020-10-23 卧龙电气驱动集团股份有限公司 一种支持带电插拔的锂电池控制系统

Also Published As

Publication number Publication date
CN111262307A (zh) 2020-06-09

Similar Documents

Publication Publication Date Title
WO2021184730A1 (zh) 一种支持带电插拔的锂电池控制系统及其控制方法
KR101413251B1 (ko) 2차 전지 관리 장치
CN110774937B (zh) 一种车载集中配电式并联电池管理系统
WO2013013555A1 (zh) 一种通信电源蓄电池接入控制装置
CN111987791A (zh) 电池模组控制装置和方法、电源设备和系统
CN111786455A (zh) 一种用于ups的正负锂电池并机系统
CN211744077U (zh) 一种支持带电插拔的锂电池控制系统
US3900783A (en) Battery charging circuit
CN210897369U (zh) 一种电池箱充放电结构
CN116979317A (zh) 电动汽车放电插座
CN208571667U (zh) 一种延长变电站通信设备供电时间装置
CN217769595U (zh) 一种ups电源的在线检测装置
CN115313654A (zh) 一种变电站监控装置
CN111884290B (zh) 一种基于摄影设备的供电装置和供电方法
WO2021184731A1 (zh) 一种可扩容的ups用锂电池系统及其控制方法
CN211530017U (zh) 一种锂电池模块及锂电池
JPH0787691A (ja) 無結線給電システム
CN209313520U (zh) 一种双冗余ups电源车
CN108365659B (zh) 一种电池模块并联工装和一种电池模块并联系统
CN216085010U (zh) 维修开关电路、维修开关组件、电池包及电动车辆
CN212343406U (zh) 一种带智能夹的汽车应急启动装置
KR101358765B1 (ko) 2차 전지 관리 장치
CN217087556U (zh) 供电装置及数据中心
CN217672174U (zh) 一种新能源车断高压系统和新能源车
CN111146828A (zh) 一种电池保护系统及供电设备

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: 20925690

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: 20925690

Country of ref document: EP

Kind code of ref document: A1