CN207368684U - A kind of quick charge control circuit - Google Patents

A kind of quick charge control circuit Download PDF

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Publication number
CN207368684U
CN207368684U CN201720917756.1U CN201720917756U CN207368684U CN 207368684 U CN207368684 U CN 207368684U CN 201720917756 U CN201720917756 U CN 201720917756U CN 207368684 U CN207368684 U CN 207368684U
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CN
China
Prior art keywords
battery pack
switch
relay
host
coil
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Expired - Fee Related
Application number
CN201720917756.1U
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Chinese (zh)
Inventor
黄琴
邓桂超
饶睦敏
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Shenzhen OptimumNano Energy Co Ltd
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Shenzhen OptimumNano Energy Co Ltd
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Priority to CN201720917756.1U priority Critical patent/CN207368684U/en
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    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A kind of quick charge control circuit, including battery pack, battery management system, switch module, control module and emergent alarm module, battery pack include multiple battery packs;Battery management system includes host, and host is connected by switch module with battery pack;The electric connection between switch module and battery pack is established or disconnected to switch module, and when switch module establishes the electric connection with battery pack, the power supply that switch module provides battery pack is converted into the first power supply and supplies electricity to host;Host is also connected by control module with battery pack, and host makes multiple battery packs in parallel in electric discharge by controlling control module and connects in charging;Emergent alarm module includes emergent continuation of the journey and switchs, and host is also connected with emergent continuation of the journey switch;Emergent continuation of the journey switch closure, host force battery pack to be discharged.

Description

A kind of quick charge control circuit
【Technical field】
It the utility model is related to battery technology field, more particularly to a kind of quick charge control circuit.
【Background technology】
Engineering low-speed vehicle does not possess upper right of way limit, and usual on-site needs deposit oil depot to carry out fuel oil supply to it, into And increase management difficulty and security risk to plant area.Therefore Engineering low-speed vehicle progress " oil changes electricity " is had an optimistic view of by every profession and trade, It is the inexorable trend of Future New Energy Source development.
Battery pack is the power resources of electric automobile, and the battery pack of existing electric automobile, due to powering, platform is very low, In the case of providing electricity, capacity is very big.Voltage is too low to require height to charging equipment, and the charging interval is generally when 8-10 is small. The time of one day similar half is all charging, it is impossible to meets requirement.It is and almost each since the charging interval is long Battery pack need to be equipped with a charger, i.e. electrical equipment presses 1 with charging equipment:1 matching, charging equipment vacancy rate is very high, cost Height, in turn resulting in electric automobile cannot popularize in an all-round way.
The battery pack of existing electric automobile is when low battery warning occur, and being unable to reach charge position, it is impossible to continues Electric discharge, causes electric automobile to continue to travel, can not in emergency circumstances meet requirement at some.
In consideration of it, it is really necessary to provide a kind of quick charge control circuit to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model is to provide one kind can be to battery pack progress quick charge and at some in emergency circumstances The quick charge control circuit of forced electric discharge can be carried out to battery pack.
To achieve these goals, the utility model provides a kind of quick charge control circuit, including battery pack, cell tube Reason system, switch module, control module and emergent alarm module, the battery pack include multiple battery packs;
The battery management system includes host, and the host is connected by the switch module with the battery pack;Institute State switch module and establish or disconnect electric connection between the switch module and the battery pack, when the switch module is established During with the electric connection of the battery pack, the power supply that the battery pack provides is converted into the first power supply and supplied by the switch module Supply electricity to the host;
The host is also connected by the control module with the battery pack, and the host is by controlling the control mould Block come make the multiple battery pack in electric discharge it is in parallel and connect in charging;
The emergent alarm module includes emergent continuation of the journey and switchs, and the host is also connected with the emergent continuation of the journey switch; The emergent continuation of the journey switch closure, the host force the battery pack to be discharged.
In a preferred embodiment, the quantity of the battery pack is two and respectively the first battery pack and the second electricity Pond group, first power supply include cathode and anode.
In a preferred embodiment, the switch module include DC/DC converters, power switch, dormancy relay, Starting switch and resistance, the DC/DC converters are connected with the power pins of the host;The DC/DC converters are also logical The negative pole end that the power switch is crossed with first battery pack is connected, the DC/DC converters also by the dormancy after Electric appliance is connected with the positive terminal of first battery pack;The DC/DC converters are also opened by the resistance and the startup The first end of pass is connected, and the second end of the starting switch is connected with the positive terminal of first battery pack.
In a preferred embodiment, the power switch is normally closed type, and the starting switch is open in usual.
In a preferred embodiment, the control module includes first to fourth relay and diode, and described The positive terminal of one battery pack is connected with the cathode of the diode, and passes through first relay and second battery pack Positive terminal is connected;The negative pole end of first battery pack is connected with anode discharge and recharge port, and by the 3rd relay with The negative pole end of second battery pack is connected;The positive terminal of second battery pack is connected with cathode discharge and recharge port, and described Four relays are connected with the negative pole end of second relay, the anode of the diode and second battery pack;Described When battery pack is discharged, first relay and the 3rd relay close automatically, and first battery pack passes through described the One relay and the 3rd relay are in parallel with second battery pack;When the battery pack charges, the host computer control The second relay closure, closes the 4th relay, first battery pack passes through the 4th relay and institute Diode is stated to connect with second battery pack.
In a preferred embodiment, first relay includes first switch and first coil;Described first opens The positive terminal with first battery pack, the cathode of the diode are connected the first end of pass respectively, and the of the first switch Two ends are connected with the positive terminal of second battery pack;The first end of the first coil and the cathode phase of first power supply Even, the second end of the first coil is connected with second relay.
In a preferred embodiment, second relay is opened including single-pole double-throw switch (SPDT), the second coil and second Close, the common port of the single-pole double-throw switch (SPDT) is connected with the cathode of first power supply;The normal-closed end of the single-pole double-throw switch (SPDT) It is connected with the second end of the first coil, the normal-closed end of the single-pole double-throw switch (SPDT) is also connected with the 3rd relay, institute The normally open end for stating single-pole double-throw switch (SPDT) is connected with the 4th relay;The first end of second coil and first power supply Anode be connected, the second end of second coil is connected by the second switch with the cathode of first power supply.
In a preferred embodiment, the 3rd relay includes the 3rd switch and tertiary coil, and the described 3rd opens The first end of pass is connected with the negative pole end of first battery pack, it is described 3rd switch second end respectively with the 4th relay Device is connected with the negative pole end of second battery pack;The first end of the tertiary coil and the normal-closed end of the single-pole double-throw switch (SPDT) It is connected, the second end of the tertiary coil is connected with the anode of first power supply.
In a preferred embodiment, the 4th relay includes the 4th switch and the 4th coil, and the described 4th opens The first end of pass is connected with the anode of the diode, it is described 4th switch second end respectively with the described 3rd switch second End, the negative pole end of second battery pack are connected;The first end of 4th coil and the normally open end of the single-pole double-throw switch (SPDT) It is connected, the second end of the 4th coil is connected with the anode of first power supply.
In a preferred embodiment, the use condition of the emergent continuation of the journey switch is the remaining capacity of the battery pack More than 10% and less than 25%.
Quick charge control circuit provided by the utility model by set control module by the battery pack in battery pack by Parallel connection is changed into series connection, and voltage doubles, capacity halves, and quick charge is carried out to battery pack.It is provided by the utility model quickly to fill Electric control circuit is also provided with emergent continuation of the journey switch, meet emergency button use condition and by emergent demand in the case of, close Emergent continuation of the journey switch is closed, forced electric discharge can be carried out to battery pack, to meet continuation of the journey demand.Quick charge provided by the utility model Detection module, alarm indicator and buzzer are also provided with control circuit, detection module can monitor the status data of battery pack And host is returned to, host can light alarm indicator according to received status data and make buzzer rings to warn relevant people Member's timely processing, is conducive to the service life of battery pack and safe to use.
【Brief description of the drawings】
Fig. 1 is the functional block diagram of quick charge control circuit provided by the utility model.
Fig. 2 is the circuit diagram for the quick charge control circuit that Fig. 1 is provided.
【Embodiment】
In order to make the purpose of this utility model, technical solution and advantageous effects become apparent from understanding, below in conjunction with attached Figure and embodiment, are further elaborated the utility model.It should be appreciated that described in this specification Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
When an element was considered with another element " being connected ", it can be directly to another element or It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this reality It is identical with the new normally understood implication of those skilled in the art.Made herein in the specification of the utility model Term is intended merely to the purpose of description specific embodiment, it is not intended that in limitation the utility model.
Please refer to Fig.1, it is the functional block diagram of quick charge control circuit 100 provided by the utility model.It is described quick Charging control circuit 100 includes battery pack 10, charge-discharge modules 20, BMS (Battery Management System, cell tube Reason system) 30, switch module 40, control module 50 and emergent alarm module 60.
The battery pack 10 is connected with the charge-discharge modules 20, the battery pack 10 by the charge-discharge modules 20 into Row charge/discharge.The battery pack 10 is inserted into the charge-discharge modules 20 by charging gun 70 when charging and charges, the electricity Power during 10 electric discharge of bag of pond to vehicle (not shown).Specifically, the battery pack 10 includes multiple battery packs.In present embodiment In, it is respectively the first battery pack 11 and the second battery pack 12 that the quantity of the battery pack is for two.In other embodiments, The quantity that the battery pack 10 includes the battery pack can be adjusted accordingly according to actual conditions.
The BMS 30 includes host U1, CAN box 31 and detection module 32, and the host U1 passes through the switch module 40 Be connected with the battery pack 10, the switch module 40 be used to establishing or disconnect the switch module 40 and the battery pack 10 it Between electric connection.After the switch module 40 and the battery pack 10, which are established, to be electrically connected, the switch module 40 is by institute The power supply for stating the offer of battery pack 10 is converted into the first power supply and supplies electricity to the host U1, the host U1 is started to work.Tool Body, first power supply includes cathode and anode.
The host U1 is also connected with the CAN boxes 31, and the CAN boxes 31 are for detecting whether there is the charging gun 70 to insert Enter to the charge-discharge modules 20.When the CAN boxes 31 have detected that the charging gun 70 is inserted into the charge-discharge modules 20 When give plug in rifle signal return to the host U1, the host U1 judges the electricity according to whether receiving the plug in rifle signal Pond bag 10 is charged state or discharge condition.When the host U1 is not received by the plug in rifle signal, the host U1 Judge the battery pack 10 for discharge condition.When the host U1 receives the plug in rifle signal, the host U1 judges institute It is charged state to state battery pack 10.
When the battery pack 10 is charged state, the first power supply and the charging gun that are provided by the switch module 40 70 second sources provided are powered so that its work to the host U1 jointly.When 10 electricity of battery pack exhausts, by institute The second source for stating the offer of charging gun 70 is individually powered so that its work to the host U1.
The host U1 is also connected by the control module 50 with the battery pack 10, and the host U1 passes through control The control module 50 come make the multiple battery pack in electric discharge it is in parallel and connect in charging.In the present embodiment, when When the host U1 judges the battery pack 10 for discharge condition, the host U1 controls the control module 50 to make the electricity The first battery pack 11 and the second battery pack 12 in pond bag 10 are parallel connection.When the host U1 judges the battery pack 10 to fill During electricity condition, the host U1 controls the control module 50 to make the first battery pack 11 and the second battery in the battery pack 10 Group 12 is series connection with to the battery pack 10 progress quick charge.
The host U1 is also connected by the detection module 32 with the battery pack 10, and the detection module 32 is used for Detect the status datas such as voltage, electric current and the temperature of the battery pack 10 and return to the host U1, the host U1 according to The status data of the received battery pack 10 calculates remaining capacity (SOC, the State Of of the battery pack 10 Charge, also known as state-of-charge, remaining capacity).
The emergent alarm module 60 includes emergent continuation of the journey and switchs 61, at least one alarm indicator 62 and at least one bee Ring device 63, and the emergent continuation of the journey switch 61 is connected with the host U1.When having emergent continuation of the journey demand and meet described emergent continuous During the use condition of boat switch 61, the closure emergent continuation of the journey switch 61 force the battery packs 10 to be discharged so that vehicle after Continue and sail.In the present embodiment, the use condition of the emergency button 61 is the remaining capacity (SOC) of the battery pack 10 More than 10% and less than 25%.
At least one alarm indicator 62 and at least one buzzer 63 are also connected with the host U1 Connect, the host U1 is according to the status data of the battery pack 10 received and the SOC Numerical Controls calculated At least one alarm indicator 62 is lighted carries out low battery alarm either failure announcement with least one 63 ring of buzzer It is alert, warn related personnel's timely processing.
Please refer to Fig.2, it is the circuit diagram of quick charge control circuit 100 provided by the utility model.
The charge-discharge modules 20 include total positive relay J1, always negative relay J2, cathode discharge and recharge port 21 and anode Discharge and recharge port 22, the positive terminal of second battery pack 12 pass through total positive relay J1 and cathode discharge and recharge port 21 It is connected, the positive terminal and negative pole end of second battery pack 12 are also connected with the control module 50.First battery pack 11 negative pole end is connected by the always negative relay J2 with anode discharge and recharge port 22, the negative pole end of first battery pack 11 Also be connected respectively with the switch module 40, the control module 50, the positive terminal of first battery pack 11 respectively with it is described Switch module 40, the control module 50 are connected.Specifically, the total positive relay J1 and always negative relay J2 also with The host U1 is connected and is controlled closure by the host U1 or disconnected.
The switch module 40 include DC/DC converters 41, power switch Q1, dormancy relay J3, starting switch Q2 and Resistance R1, the DC/DC converters 41 are connected with the power pins VCC of the host U1.The DC/DC converters 41 are also It is connected by the power switch Q1 with the negative pole end of first battery pack 11, the DC/DC converters 41 also pass through institute The positive terminal that dormancy relay J3 is stated with first battery pack 11 is connected, the dormancy relay J3 also with the host U1 It is connected and is controlled closure by the host U1 or disconnected.The DC/DC converters 41 also pass through the resistance R1 and the startup The first end of switch Q2 is connected, and the second end of the starting switch Q2 is connected with the positive terminal of first battery pack 11. In the present embodiment, the power switch Q1 is normally closed type, and the starting switch Q2 is open in usual.In other embodiment In, the power switch Q1 is open in usual.
The control module 50 includes first to fourth relay S1-S4 and diode D1, first battery pack 11 Positive terminal is connected with the cathode of the diode D1, and passes through the first relay S1 and the cathode of second battery pack 12 End is connected.The negative pole end of first battery pack 11 also passes through the 3rd relay S3 and the anode of second battery pack 12 End is connected, the 4th relay S4 and the second relay S2, the anode of the diode D1 and second battery pack 12 negative pole end is connected.When the battery pack 10 is discharged, the first relay S1 and the 3rd relay S3 are closed automatically Close, first battery pack 11 passes through the first relay S1 and the 3rd relay S3 and second battery pack 12 It is in parallel.When the battery pack 10 charges, the host U1 controls the second relay S2 closures so that the 4th relay Device S4 is closed, and first battery pack 11 passes through the 4th relay S4 and diode D1 and second battery pack 12 Series connection.
Specifically, the first relay S1 includes first switch K1 and first coil L1.The of the first switch K1 The positive terminal with first battery pack 11, the cathode of the diode D1 are connected respectively for one end, and the of the first switch K1 Two ends are connected with the positive terminal of second battery pack 12.The first end of the first coil L1 and the cathode of first power supply It is connected, the second end of the first coil L1 is connected with the second relay S2.
The second relay S2 includes single-pole double-throw switch (SPDT) KS, the second coil L2 and second switch K2, and the hilted broadsword is double The common port of throw switch KS is connected with the cathode of first power supply.The normal-closed end of the single-pole double-throw switch (SPDT) KS and described the The second end of one coil L1 is connected, and the normal-closed end of the single-pole double-throw switch (SPDT) KS is also connected with the 3rd relay S3, described The normally open end of single-pole double-throw switch (SPDT) KS is connected with the 4th relay S4.The first end and described first of the second coil L2 The anode of power supply is connected, the cathode phase that the second end of the second coil L2 passes through the second switch K2 and first power supply Even.Specifically, the second switch K2 is connected with the host U1 and is controlled closure by the host U1 or disconnected.
The 3rd relay S3 includes the 3rd switch K3 and tertiary coil L3, the first end of the 3rd switch K3 and institute The negative pole end for stating the first battery pack 11 is connected, the second end of the 3rd switch K3 respectively with the 4th relay S4 and described The negative pole end of second battery pack 12 is connected.The first end of the tertiary coil L3 and the normal-closed end phase of the single-pole double-throw switch (SPDT) KS Even, the second end of the tertiary coil L3 is connected with the anode of first power supply.
The 4th relay S4 includes the 4th switch K4 and the 4th coil L4, the first end of the 4th switch K4 and institute The anode for stating diode D1 is connected, the second end of the 4th switch K4 second end, described with the described 3rd switch K3 respectively The negative pole end of second battery pack 12 is connected.The first end and the normally open end phase of the single-pole double-throw switch (SPDT) KS of the 4th coil L4 Even, the second end of the 4th coil L4 is connected with the anode of first power supply.
One end of the detection module 32 is connected with the detection pin CAN1 of the host U1, the other end respectively with it is described First battery pack 11, second battery pack 12 are connected.
The principle of the quick charge control circuit 100 is as follows:
Starting switch Q2 certain times described in manual closing, the positive terminal of first battery pack 11 are opened by the startup Close Q2 and resistance R1 to be electrically connected with the DC/DC converters 41, the anode of first battery pack 11 passes through the electricity Source switch Q1 is electrically connected with the DC/DC converters 41.The DC/DC converters 41 are by the first of the battery pack 10 The power supply that battery pack 11 provides is converted into first power supply and supplies electricity to the host U1, and the host U1 starts to work and controls Make the dormancy relay J3 closures.(but the host U1 only works certain time at this time, because the starting switch Q2 at this time Only closure certain time.) disconnect the starting switch Q2 manually, the positive terminal of first battery pack 11 by the dormancy after Electric appliance J3 is electrically connected with the DC/DC converters, and the negative pole end of first battery pack 11 passes through the power switch Q1 is electrically connected with the DC/DC converters.First battery pack 11 of the battery pack 10 passes through the DC/DC converters Persistently power to the host U1, the host U1 continuous firings.In the present embodiment, the certain time is 5 seconds;It is described First power supply is 12V or 24V.In other embodiments, manual closing institute again after power switch Q1 described in first manual closing State starting switch Q2 certain times.
At this time, the 3rd switch K3 of the first switch K1 and the 3rd relay S3 of the first relay S1 are automatic Closure, first battery pack 11 and second battery pack 12 are parallel connection.The host U1 is detected by the CAN boxes 31 Whether there is plug in rifle signal, when the host U1 is detected without rifle signal is inserted, judge the battery pack 10 for discharge condition.It is described Host U1 controls total positive relay J1 and the always negative relay J2 closures, the battery pack 10 are powered to the vehicle.
When the host U1 has detected plug in rifle signal, the battery pack 10 is judged for charged state, at this time by described The second source that first power supply and the charging gun 70 provide is powered to the host U1 jointly.When the battery pack 10 does not have thoroughly When electric, the second source provided by the charging gun 70 is powered alone to the host U1.The host U1 controls described second Switch K2 closures so that the common port of the single-pole double-throw switch (SPDT) KS of the second relay S2 and the single-pole double-throw switch (SPDT) KS Normally open end be connected, and then make the 4th relay S4 the 4th switch K4 close automatically, further make first relay The 3rd switch K3 of the first switch K1 of device S1 and the 3rd relay S3 is disconnected, first battery pack 11 and described second Battery pack 12 is connected.10 voltage doubles of battery pack, capacity halve at this time, can carry out quick charge to the battery pack 10. Host U1 control total positive relay J1 and always negative relay J2 closures, the battery pack 10 by the charging gun 70 into Row quick charge.
In the battery pack 10 carries out charging process, when the 4th relay S4 breaks down viscous dead, described two Pole pipe D1 is used to prevent from first battery pack 11, the positive terminal of second battery pack 12 with negative pole end to be connected causing short Road.
Quick charge control circuit provided by the utility model by set control module by the battery pack in battery pack by Parallel connection is changed into series connection, and voltage doubles, capacity halves, and quick charge is carried out to battery pack.It is provided by the utility model quickly to fill Electric control circuit is also provided with emergent continuation of the journey switch, meet emergency button use condition and by emergent demand in the case of, close Emergent continuation of the journey switch is closed, forced electric discharge can be carried out to battery pack, to meet continuation of the journey demand.Quick charge provided by the utility model Detection module, alarm indicator and buzzer are also provided with control circuit, detection module can monitor the status data of battery pack And host is returned to, host can light alarm indicator according to received status data and make buzzer rings to warn relevant people Member's timely processing, is conducive to the service life of battery pack and safe to use.
The utility model is not restricted to described in specification and embodiment, therefore for the people of familiar field For member can additional advantage easy to implement and modification, therefore in the universal limited without departing substantially from claim and equivalents Spirit and scope on the premise of, the utility model be not limited to specific details, representational equipment and shown here as with The examples shown of description.

Claims (10)

  1. A kind of 1. quick charge control circuit, it is characterised in that:Including battery pack, battery management system, switch module, control mould Block and emergent alarm module, the battery pack include multiple battery packs;
    The battery management system includes host, and the host is connected by the switch module with the battery pack;It is described to open The electric connection between the switch module and the battery pack is established or disconnected to pass module, when switch module foundation and institute When stating the electric connection of battery pack, the power supply that the battery pack provides is converted into the first power supply and supplied electricity to by the switch module The host;
    The host is also connected by the control module with the battery pack, the host by control the control module come Make the multiple battery pack in parallel in electric discharge and connect in charging;
    The emergent alarm module includes emergent continuation of the journey and switchs, and the host is also connected with the emergent continuation of the journey switch;It is described Emergent continuation of the journey switch closure, the host force the battery pack to be discharged.
  2. 2. quick charge control circuit according to claim 1, it is characterised in that:The quantity of the battery pack for two simultaneously Respectively the first battery pack and the second battery pack, first power supply include cathode and anode.
  3. 3. quick charge control circuit according to claim 2, it is characterised in that:The switch module turns including DC/DC Parallel operation, power switch, dormancy relay, starting switch and resistance, the power pins phase of the DC/DC converters and the host Connection;The DC/DC converters are also connected by the power switch with the negative pole end of first battery pack, the DC/ DC converters are also connected by the dormancy relay with the positive terminal of first battery pack;The DC/DC converters are also It is connected by the resistance with the first end of the starting switch, the second end of the starting switch and first battery pack Positive terminal be connected.
  4. 4. quick charge control circuit according to claim 3, it is characterised in that:The power switch is normally closed type, institute It is open in usual to state starting switch.
  5. 5. quick charge control circuit according to claim 2, it is characterised in that:The control module includes first to the Four relays and diode, the positive terminal of first battery pack is connected with the cathode of the diode, and passes through described first Relay is connected with the positive terminal of second battery pack;The negative pole end of first battery pack and anode discharge and recharge port phase Even, and it is connected by the 3rd relay with the negative pole end of second battery pack;The positive terminal of second battery pack with Cathode discharge and recharge port is connected, the 4th relay and second relay, the anode of the diode and described second The negative pole end of battery pack is connected;When the battery pack is discharged, first relay and the 3rd relay close automatically, First battery pack is in parallel with second battery pack by first relay and the 3rd relay;In the electricity When Chi Bao charges, the second relay described in the host computer control closes, and closes the 4th relay, first battery pack Connected by the 4th relay and the diode with second battery pack.
  6. 6. quick charge control circuit according to claim 5, it is characterised in that:First relay is opened including first Pass and first coil;The moon of the first end of the first switch positive terminal with first battery pack, the diode respectively Extremely it is connected, the second end of the first switch is connected with the positive terminal of second battery pack;The first end of the first coil It is connected with the cathode of first power supply, the second end of the first coil is connected with second relay.
  7. 7. quick charge control circuit according to claim 6, it is characterised in that:It is double that second relay includes hilted broadsword Throw switch, the second coil and second switch, the common port of the single-pole double-throw switch (SPDT) are connected with the cathode of first power supply;Institute The normal-closed end for stating single-pole double-throw switch (SPDT) is connected with the second end of the first coil, the normal-closed end of the single-pole double-throw switch (SPDT) also with 3rd relay is connected, and the normally open end of the single-pole double-throw switch (SPDT) is connected with the 4th relay;Second coil First end be connected with the anode of first power supply, the second end of second coil passes through the second switch and described the The cathode of one power supply is connected.
  8. 8. quick charge control circuit according to claim 7, it is characterised in that:3rd relay is opened including the 3rd Close and tertiary coil, the first end of the 3rd switch are connected with the negative pole end of first battery pack, the 3rd switch Negative pole end of the second end respectively with the 4th relay and second battery pack is connected;The first end of the tertiary coil with The normal-closed end of the single-pole double-throw switch (SPDT) is connected, and the second end of the tertiary coil is connected with the anode of first power supply.
  9. 9. quick charge control circuit according to claim 8, it is characterised in that:4th relay is opened including the 4th Close and the 4th coil, the first end of the 4th switch are connected with the anode of the diode, the second end of the 4th switch The second end with the described 3rd switch, the negative pole end of second battery pack are connected respectively;The first end of 4th coil with The normally open end of the single-pole double-throw switch (SPDT) is connected, and the second end of the 4th coil is connected with the anode of first power supply.
  10. 10. quick charge control circuit according to claim 1, it is characterised in that:The use of the emergent continuation of the journey switch Condition is more than 10% and less than 25% for the remaining capacity of the battery pack.
CN201720917756.1U 2017-07-26 2017-07-26 A kind of quick charge control circuit Expired - Fee Related CN207368684U (en)

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CN108995551A (en) * 2018-07-23 2018-12-14 中车青岛四方车辆研究所有限公司 A kind of dynamic car battery emergent charging circuit
CN110138044A (en) * 2019-06-04 2019-08-16 中国第一汽车股份有限公司 A kind of power battery charge-discharge control system, method and vehicle
CN110497805A (en) * 2018-05-17 2019-11-26 比亚迪股份有限公司 The battery charge controller and method of electric vehicle
WO2020024722A1 (en) * 2018-08-01 2020-02-06 Oppo广东移动通信有限公司 Battery control system and method, and electronic device
CN111409504A (en) * 2020-04-14 2020-07-14 河南省鹏辉电源有限公司 Battery pack control circuit and battery pack control system
CN114094677A (en) * 2022-01-18 2022-02-25 瑞诺技术(深圳)有限公司 Home energy storage system based on new energy electric energy conversion and management system thereof
WO2022054064A1 (en) * 2020-09-13 2022-03-17 Redler Technologies Ltd Versatile power stack unit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497805A (en) * 2018-05-17 2019-11-26 比亚迪股份有限公司 The battery charge controller and method of electric vehicle
CN108995551A (en) * 2018-07-23 2018-12-14 中车青岛四方车辆研究所有限公司 A kind of dynamic car battery emergent charging circuit
WO2020024722A1 (en) * 2018-08-01 2020-02-06 Oppo广东移动通信有限公司 Battery control system and method, and electronic device
US11923705B2 (en) 2018-08-01 2024-03-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Battery control system and method, and electronic device
CN110138044A (en) * 2019-06-04 2019-08-16 中国第一汽车股份有限公司 A kind of power battery charge-discharge control system, method and vehicle
CN111409504A (en) * 2020-04-14 2020-07-14 河南省鹏辉电源有限公司 Battery pack control circuit and battery pack control system
WO2022054064A1 (en) * 2020-09-13 2022-03-17 Redler Technologies Ltd Versatile power stack unit
US20230261559A1 (en) * 2020-09-13 2023-08-17 Redler Technologies Ltd. Versatile power stack unit
US11863059B2 (en) * 2020-09-13 2024-01-02 Redler Technologies Ltd. Versatile power stack unit
CN114094677A (en) * 2022-01-18 2022-02-25 瑞诺技术(深圳)有限公司 Home energy storage system based on new energy electric energy conversion and management system thereof

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