CN207955350U - Power cell of vehicle system high voltage distribution installation and power cell of vehicle system - Google Patents
Power cell of vehicle system high voltage distribution installation and power cell of vehicle system Download PDFInfo
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- CN207955350U CN207955350U CN201721817414.9U CN201721817414U CN207955350U CN 207955350 U CN207955350 U CN 207955350U CN 201721817414 U CN201721817414 U CN 201721817414U CN 207955350 U CN207955350 U CN 207955350U
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a kind of power cell of vehicle system high voltage distribution installation and power cell of vehicle system, which includes：It waits for the total anode of the battery of the accumulator of distribution and the total negative terminal of battery, is respectively connected to switch positive input side and the switch negative input side of maintenance switch；The switch positive output side and switch negative output side of the maintenance switch, are respectively connected to the total anode of busbar and the total negative terminal of busbar of the DC bus of power cell of vehicle system；The total anode of busbar and the total negative terminal of the busbar, are respectively connected to DC/DC high-voltage power supply circuits；The busbar voltage collection terminal of BMS controllers is connected to the total anode of the busbar；The charge and discharge control end of the BMS controllers is also connected to the DC/DC high-voltage power supply circuits.The embodiment of the utility model can overcome the defects of wiring difficulty is big, operational reliability is low and wire rod is of high cost in the prior art, realize the advantageous effect that wiring difficulty is small, operational reliability is high and wire rod is at low cost.
Description
Technical field
The utility model belongs to battery technology field, and in particular to a kind of power cell of vehicle system high voltage distribution installation
And power cell of vehicle system, more particularly to a kind of mixed dynamic (i.e. hybrid power) locomotive under repairing power cell of vehicle system high pressure matches
Electric box (i.e. a kind of mixed dynamic locomotive under repairing electrokinetic cell system high voltage distribution box).
Background technology
Worldwide new energy technology is grown rapidly at present, important composition portion of the electric vehicle as new energy vehicle
Point, the design quality of high voltage distribution box is directly related to the quality of vehicle performance.However, the height of existing electrokinetic cell system
Block terminal is pressed, there is wiring confusion, the defects of unfailing performance is low and function is simple, safety is not high；In addition, existing
The high voltage distribution box of electrokinetic cell system is connected using wire rods such as cable, copper mesh grids (or copper litz wire or copper braid over braid), is deposited
The defects of being not easy bending.Such as：It is internally integrated high voltage control box in a kind of power battery of pure electric automobile packet, the high voltage control
The internal components of box are more crowded, and cabling is chaotic；In addition, the internal components of the high voltage control box are connected using soft copper bar, both increased
Add wiring difficulty, and improves wire rod cost.
In the prior art, there is the defects of wiring difficulty is big, operational reliability is low and wire rod is of high cost.
Utility model content
The purpose of this utility model is that in view of the foregoing drawbacks, providing a kind of power cell of vehicle system high voltage power distribution
Device and power cell of vehicle system, between the solution in the prior art internal components of the high voltage distribution box of electrokinetic cell system
The wiring confusion problem that causes reliability low, achieve the effect that promote operational reliability.
The utility model provides a kind of power cell of vehicle system high voltage distribution installation, including：BMS controllers are safeguarded
Switch and DC/DC high-voltage power supply circuits；Wherein, the total anode of the battery of the accumulator of distribution and the total negative terminal of battery are waited for, is separately connected
To the switch positive input side of the maintenance switch and switch negative input side；The switch positive output side of the maintenance switch and switch are negative
Outlet side is respectively connected to the total anode of busbar and the total negative terminal of busbar of the DC bus of the power cell of vehicle system；It is described
The total anode of busbar and the total negative terminal of the busbar, are respectively connected to the DC/DC high-voltage power supply circuits；The mother of the BMS controllers
Line voltage collection terminal is connected to the total anode of the busbar；The charge and discharge control end of the BMS controllers, is also connected to the DC/
DC high-voltage power supply circuits.
Optionally, further include：At least one of current divider, high-tension connector component；Wherein, the current divider, connection
Between the total negative terminal of battery of the accumulator and the switch negative input side of the maintenance switch；The high-tension connector component,
With in the accumulator, the BMS controllers, the maintenance switch and the DC/DC high-voltage power supply circuits that wait for distribution at least it
One connection.
Optionally, further include：Babinet；When the high voltage distribution installation further includes current divider, the current divider, the BMS
Controller, the maintenance switch and the DC/DC high-voltage power supply circuits, cooperation are arranged in the inner space of the babinet；When
When the high voltage distribution installation further includes high-tension connector component, the high-tension connector component is arranged at the back side of the babinet.
Optionally, wherein the maintenance switch, including：Automatic maintenance switch or manual maintenance switch；And/or it is described
DC/DC high-voltage power supply circuits, including：Charging circuit, DC/DC high input voltages circuit and discharge circuit；Wherein, the charging electricity
Road, the DC/DC high input voltages circuit and the discharge circuit, are respectively connected to the total anode of the busbar and the busbar is always born
End；The DC/DC high input voltages circuit is powered when the accumulator charges by charger, in the battery discharging by
The power cell of vehicle system power supply.
Optionally, wherein the maintenance switch, including：Breaker；And/or the DC/DC high-voltage power supply circuits, also wrap
It includes：Precharging circuit；The precharging circuit is arranged in the discharge circuit.
Optionally, wherein the charging circuit, including：It charges positive contactor, charge circuit fuse and the negative contact of charging
Device；Wherein, the first input end of the positive contactor of charging, is respectively connected to the total anode of the busbar and the charge and discharge control
End；First output end of the positive contactor of the charging, after charged circuit fuse, the charger input as charger is just
End；The second input terminal of contactor is born in the charging, is respectively connected to the total negative terminal of the busbar and the charge and discharge control end；Institute
State the second output terminal that contactor is born in charging, the charger input negative terminal as charger；And/or the DC/DC high input voltages
Circuit, including：DC/DC high tension loops fuse and DC/DC power supplys；Wherein, the total anode of the busbar, through the DC/DC high
After pushing back road fuse, it is connected to the high input voltage anode of the DC/DC power supplys；The total negative terminal of busbar, is connected to the DC/
The high input voltage negative terminal of DC power supply；The wake-up signal input terminal of the DC/DC power supplys is connected to the charge and discharge control end；Institute
The low pressure output plus terminal and low pressure output negative terminal of DC/DC power supplys are stated, it is negative as low-voltage power supply input positive terminal and low-voltage power supply input
End；And/or the discharge circuit, including：Discharge positive contactor and discharge loop fuse；Wherein, the total anode of the busbar,
Successively after the positive contactor of the electric discharge and the discharge loop fuse, as electric discharge output plus terminal；The total negative terminal of busbar
Exit, as electric discharge export negative terminal；Wherein, when the discharge circuit further includes precharging circuit, the precharging circuit, with
The positive contactor of electric discharge is in parallel.
Optionally, the precharging circuit, including：Preliminary filling resistance, preliminary filling contactor；Wherein, the total anode of the busbar, successively
After the preliminary filling resistance and the preliminary filling contactor, it is connected to the electric discharge output plus terminal；And/or when the precharging circuit
When including preliminary filling contactor, described discharge at least one of positive contactor, described preliminary filling contactor are connected to the charge and discharge
Control terminal.
Optionally, contactor, the positive contactor of the electric discharge, the preliminary filling are born with the positive contactor of the charging, the charging
At least one of contactor matches, and is additionally provided with auxiliary contact；The auxiliary contact, for feeding back the positive contact of the charging
Device, the charging bear the working condition of corresponding contactor in contactor, the positive contactor of the electric discharge, the preliminary filling contactor；Institute
BMS controllers are stated, for according to the working condition, being detected to the contact adhesion situation of corresponding contactor；And/or institute
State BMS controllers, be additionally operable to control charging contactor and discharge contactor contact state, realize to the charging contactor with
The interlocking of the electric discharge contactor；Wherein, the charging contactor bears contactor by the positive contactor of the charging and the charging
It is formed；The electric discharge contactor is formed by the positive contactor of electric discharge.
Optionally, when the high voltage distribution installation further includes high-tension connector component, the high-tension connector component, packet
It includes：Charge positive connector, charging bear connector, the positive connector of battery, battery bear connector, electric discharge bear connector, electric discharge just connect
Connect at least one of device, DC/DC high-tension connectors and BMS controller low voltage connectors connector；Wherein, the charging just connects
Device is connect, the charger input positive terminal is connected to；Connector is born in the charging, is connected to the charger input negative terminal；It is described
The positive connector of battery is connected to the total anode of the battery；The battery bears connector, is connected to the total negative terminal of the battery；It is described
Connector is born in electric discharge, is connected to the electric discharge output negative terminal；The positive connector of electric discharge, is connected to the electric discharge output plus terminal；
The DC/DC high-tension connectors are connected to the high input voltage anode；The BMS controllers low voltage connector is connected to described
The low voltage control end of BMS controllers；And/or at least one connector, it is arranged using fool proof measure.
Optionally, further include：Hard copper bar and cable；The cable, including：High-tension cable and low-voltage cable；Wherein, described
The total negative terminal of battery is also connected to the DC/DC high-tension connectors through high-tension cable；And/or when the high voltage distribution installation further includes
When current divider, between the DC/DC high tension loops fuse and the positive contactor of the electric discharge, the positive contactor of the electric discharge and described
Between discharge loop fuse, between electric discharge positive contactor and the maintenance switch, the maintenance switch and the battery
Between total anode, between the maintenance switch and the positive contactor of charging, contactor is born in the maintenance switch and the charging
Between, between charging positive contactor and the charge circuit fuse, the discharge loop fuse and the electric discharge are just
Between connector, between connector is born in the maintenance switch and the electric discharge, the current divider and the battery bear connector it
Between, between the total anode of battery and the positive connector of the battery, it is described charging bear contactor and it is described charging bear connector it
Between, between the charge circuit fuse and the positive connector of charging, connected using the hard copper bar；And/or it is described
Between DC/DC high tension loops fuse and the DC/DC high-tension connectors, the positive contactor of the electric discharge and the preliminary filling resistance it
Between, it is described between the preliminary filling contactor and the positive contactor of electric discharge between the preliminary filling resistance and the preliminary filling contactor
Between BMS controllers and the BMS controllers low voltage connector, connected using the low-voltage cable.
Matching with above-mentioned apparatus, on the other hand the utility model provides a kind of power cell of vehicle system, including：More than
The power cell of vehicle system high voltage distribution installation.
The embodiment of the utility model, by making battery low-pressure system pass through DC/DC automatic electricity gettings, as low-voltage system power source,
The dependence to vehicle-mounted low tension battery can be broken away from, the pressure of vehicle-mounted low tension battery is alleviated, can promote battery operation can
By property.
Further, the embodiment of the utility model is connected by using hard copper bar, is reduced wiring difficulty, is promoted reliable for operation
Property.
Further, the embodiment of the utility model greatly enhances system debug and O＆M by increasing manual maintenance switch
The simplicity of (run and safeguard).
The embodiment of the utility model as a result, by increase maintenance switch (such as：Manual maintenance switchs, and can select open circuit
Device QF1), the wiring confusion solved between the internal components of the high voltage distribution box of electrokinetic cell system in the prior art causes to run
The low problem of reliability, to, overcome the defect that wiring difficulty is big, operational reliability is low and wire rod is of high cost in the prior art,
Realize the advantageous effect that wiring difficulty is small, operational reliability is high and wire rod is at low cost.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 be the utility model power cell of vehicle system high voltage distribution installation in PDU casees an embodiment just
Depending on structural schematic diagram；
After an embodiments of the Fig. 2 for PDU casees in the power cell of vehicle system high voltage distribution installation of the utility model
Depending on structural schematic diagram；
Fig. 3 is that the electrical principle of an embodiment of the power cell of vehicle system high voltage distribution installation of the utility model shows
It is intended to.
In conjunction with attached drawing, reference numeral is as follows in the utility model embodiment：
1-BMS controllers；2-DC/DC high tension loops fuse (such as：Third fuse FUD3)；The positive contact of 3- electric discharges
Device (such as：Third contactor KM3)；4- preliminary fillings resistance (such as：Resistance R1)；5- maintenance switch (such as：Manual maintenance switchs,
Circuit breaker Q F1 can be selected)；The positive contactor of 6- chargings (such as：First contactor KM1)；7- charge circuits fuse (such as：
Second fuse FUD2)；The negative contactor of 8- chargings (such as：Second contactor KM2)；The positive copper bar of 9- battery masters (such as：Battery is total
+ terminated line copper bar)；10- current dividers (such as：FL current acquisition BMU-J4)；The negative copper bar of 11- electric discharges (such as：Automatically controlled-terminated line
Copper bar)；12- preliminary fillings contactor (such as：4th contactor KM4)；13- discharge loops fuse (such as：4th fuse
FUD4)；The positive connector of 14- chargings (such as：Charger input+terminal adapter)；The negative connector of 15- chargings (such as：Charger is defeated
Enter-terminal adapter)；The positive connector of 16- batteries (such as：The positive connector of battery master, can be battery it is total+power wiring connector)；
17- batteries bear connector (such as：Battery master bears connector, can be battery it is total-power wiring connector)；18- electric discharges are negative to be connected
Connect device (such as：Automatically controlled-terminal adapter)；The positive connector of 19- electric discharges (such as：Automatically controlled+terminal adapter)；20-DC/DC high pressures connect
Device (such as：High input voltage+terminal adapter of DC/DC power supplys)；21-BMS controller low voltage connectors.
Specific implementation mode
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to the utility model
The range of protection.
Embodiment according to the present utility model provides a kind of power cell of vehicle system high voltage distribution installation, such as Fig. 3
The electronic schematic diagram of one embodiment of the power cell of vehicle system high voltage distribution installation of shown the utility model.The vehicle
Electrokinetic cell system may include with high voltage distribution installation：BMS controllers 1, maintenance switch 5 and DC/DC high-voltage power supply circuits.
In an optional example, waits for the total anode of the battery of the accumulator of distribution and the total negative terminal of battery, be respectively connected to institute
State switch positive input side and the switch negative input side of maintenance switch 5.Such as：It waits for the total anode of the battery of the accumulator of distribution, connects
To the switch positive input side of the maintenance switch 5；The total negative terminal of battery of the accumulator, is connected to opening for the maintenance switch 5
Close negative input side.
Such as：Always just always negative power line is entering block terminal (i.e. high voltage distribution box), accumulator to accumulator by high-tension connector
(such as：Lithium titanate battery) total anode is connected to the input side of maintenance switch 5 by copper bar, and one end of the total negative terminal of accumulator is by copper bar
The input side of maintenance switch 5 is connected to through current divider 10.
In an optional example, the switch positive output side and switch negative output side of the maintenance switch 5 are respectively connected to
The total anode of busbar and the total negative terminal of busbar of the DC bus of the power cell of vehicle system.Such as：The maintenance switch 5 is opened
Positive output side is closed, the total anode of busbar of the DC bus of the power cell of vehicle system is connected to；The maintenance switch 5 is opened
Negative output side is closed, the total negative terminal of busbar of the DC bus is connected to.
Optionally, the maintenance switch 5 may include：Automatic maintenance switch or manual maintenance switch.
As a result, by the maintenance switch of diversified forms, maintenance switch setting and the convenience used and flexibly can be promoted
Property.
More optionally, the maintenance switch 5 may include：Circuit breaker Q F1.
Manual maintenance switch is used as by breaker as a result, reliability is high, and safety is good.
In an optional example, the total anode of busbar and the total negative terminal of the busbar are respectively connected to the DC/DC
High-voltage power supply circuit.Such as：The total anode of busbar, is connected to the supply input anode of the DC/DC high-voltage power supply circuits；Institute
The total negative terminal of busbar is stated, the supply input negative terminal of the DC/DC high-voltage power supply circuits is connected to.
In an optional example, the busbar voltage collection terminals of the BMS controllers 1 (such as：BMS controllers 1) J4
End, is connected to the total anode of the busbar.The BMS controllers 1 charge and discharge control end (such as：The ends J3 of BMS controllers 1),
It is also connected to the DC/DC high-voltage power supply circuits.
Such as：Increase manual maintenance switch, greatly enhance the simplicity of system debug and O＆M, promotes operational reliability.
As a result, by increasing maintenance switch, electrokinetic cell system debugging, operation and the convenience safeguarded can be promoted, is carried
Rise electrokinetic cell system reliability of operation and safety.
Optionally, the DC/DC high-voltage power supply circuits may include：It charging circuit, DC/DC high input voltages circuit and puts
Circuit.
Such as：The charging of BMS controller collections, electric discharge, preliminary filling, battery cell monitoring, low-voltage distribution are in one, high voltage power distribution kit function
Highgrade integration has simplified Full Vehicle System framework.
In an optional specific example, the charging circuit, the DC/DC high input voltages circuit and electric discharge electricity
Road is respectively connected to the total anode of the busbar and the total negative terminal of the busbar.
Such as：Copper bar 11- current dividers are born in the positive copper bar 9-DC/DC high tension loops fuse 2-DC/DC power supplys-electric discharge of battery
Copper bar is born in 10 and charge circuit fuse 7- positive contactor 6-DC/DC high tension loop fuses 2-DC/DC power supplys-electric discharges of charging
Contactor 8 is born in 11- chargings, constitutes DC/DC high voltage supplies circuit.
Such as：DC/DC high voltage supplies circuit by high-tension fuse (such as：DC/DC high tension loops fuse 2) short circuit is provided
And overcurrent protection, maintenance switch 5 close rear DC/DC power supplys input side obtain it is electric, battery charge when DC/DC power supplys by charger
Power supply, DC/DC power supplys are powered by power battery when battery discharge.
In an optional specific example, the DC/DC high input voltages circuit, when the accumulator charges by charger
Power supply, in the battery discharging by the power cell of vehicle system power supply.
Such as：The input side of system low-voltage DC/DC power supplys takes electricity, maintenance switch 5 to close rear DC/DC electricity by high voltage bus
The input side in source obtains electric.Wherein, DC/DC power supplys are powered by charger when battery charges, and DC/DC power supplys are by power when battery discharge
Battery powered.
DC/DC high-voltage power supply circuits are constituted by charging circuit, DC/DC high input voltages circuit and discharge circuit as a result, are supplied
Electric reliability height, high safety, and be conducive to enhance vehicle cruising ability.
More optionally, the charging circuit may include：Charge positive contactor 6, charge circuit fuse 7 and charging is negative
Contactor 8.
Such as：Contactor 8- is born in the positive contactor 6- charge circuit fuses 7- chargers-charging of the positive copper bar 9- chargings of battery
Current divider 10 constitutes battery system charge circuit.
Such as：Charge circuit by BMS controllers 1 control charging contactor (such as：Charge positive contactor 6, charging is negative connects
Tentaculum 8 etc.) division, charging fastp-acting fuse (such as：Charge circuit fuse 7) for charge circuit provide short circuit and over current protection
Shield, charging contactor (such as：Contactor 8 etc. is born in charge positive contactor 6, charging) state of main contact is fed back by auxiliary contact
Realize contact adhesion detection, charging current and voltage by BMS controllers 1 current divider 10 and battery master just, main negative part (example
Such as：The positive connector 16 of battery, battery bear connector 17) on detect.
In a more optional specific example, the first input end of the positive contactor 6 that charges is respectively connected to the mother
The total anode of line and the charge and discharge control end.First output end of the positive contactor of the charging 6, after charged circuit fuse 7,
Charger input positive terminal as charger.
In a more optional specific example, the second input terminal of contactor 8 is born in the charging, is respectively connected to the mother
The total negative terminal of line and the charge and discharge control end.The second output terminal of contactor 8 is born in the charging, and the charger as charger is defeated
Enter negative terminal.
Such as：Maintenance switch (such as：Maintenance switch 5) outlet side anode (such as：Always+end) one end through electric discharge connect
Tentaculum (such as：Discharge positive contactor 3), DC fuse (such as：Discharge loop fuse 13) it is connected to electric discharge positive high voltage company
Connect device (such as：Discharge positive connector 19), maintenance switch (such as：Maintenance switch 5) outlet side the positive other end it is charged
Contactor (such as：Charge positive contactor 6), DC fuse (such as：Charge circuit fuse 7) it is connected to charging positive high voltage company
Connect device (such as：Charge positive connector 14).
Such as：Maintenance switch (such as：Maintenance switch 5) outlet side cathode one end by copper bar be connected to electric discharge negative high voltage connect
Connect device (such as：Connector 18 is born in electric discharge), maintenance switch (such as：Maintenance switch 5) outlet side the cathode other end it is charged
Negative contactor 8 be connected to charging negative high voltage connector (such as：Connector 15 is born in charging).
Contactor is born by the positive contactor that charges, charge circuit fuse and charging as a result, and forms charging circuit, structure letter
It is single, and the reliability to charge and safety can be protected.
More optionally, the DC/DC high input voltages circuit may include：DC/DC high tension loops fuse 2 and DC/DC electricity
Source.
In a more optional specific example, the total anode of busbar, after the DC/DC high tension loops fuse 2, even
It is connected to the high input voltage anode of the DC/DC power supplys.The total negative terminal of busbar, is connected to the high input voltage of the DC/DC power supplys
Negative terminal.
In a more optional specific example, the wake-up signal input terminal of the DC/DC power supplys is connected to the charge and discharge
Control terminal.The low pressure output plus terminal and low pressure of the DC/DC power supplys export negative terminal, are supplied as low-voltage power supply input positive terminal and low pressure
Electric input negative terminal.
Such as：Using DC/DC power supplys, from the output high pressure side draw electricity of maintenance switch 5, when charging, is powered by charger, is put
It is powered by power battery when electric, the output voltage of DC/DC power supplys alleviates vehicle-mounted low tension battery as low-voltage system power source
Pressure.In this way, battery low-pressure system can be made to pass through DC/DC automatic electricity gettings, the dependence to vehicle-mounted low tension battery is broken away from.
DC/DC high input voltage circuits are formed by DC/DC high tension loops fuse and DC/DC power supplys as a result, it can be from dimension
The output high pressure side draw electricity for protecting switch promotes vehicle operational reliability and safety to alleviate the pressure of accumulator.
More optionally, the discharge circuit may include：Discharge positive contactor 3 and discharge loop fuse 13.
Such as：11- points of copper bar is born in the positive contactor 3- discharge loop fuses 13- loads-electric discharge of the positive copper bar 9- electric discharges of battery
Device 10 is flowed, battery system discharge loop is constituted.
Such as：Discharge loop receives vehicle by BMS controllers 1 and instructs, control electric discharge contactor (such as：The positive contact of electric discharge
Device 3) division, electric discharge fastp-acting fuse (such as：Discharge loop fuse 13) for discharge loop provide short circuit and overcurrent protection,
Electric discharge contactor (such as：Discharge positive contactor 3) contact adhesion detection is realized by the state of auxiliary contact feedback main contact, it puts
Electric current and voltage by BMS controllers 1 current divider 10 and battery master just, main negative part (such as：The positive connector 16 of battery, electricity
Bear connector 17 in pond) on detect.
In a more optional specific example, the total anode of busbar, successively through the positive contactor 3 of the electric discharge and described
After discharge loop fuse 13, as electric discharge output plus terminal.The exit of the total negative terminal of busbar exports negative terminal as electric discharge.
In a more optional specific example, when the discharge circuit can also include precharging circuit, the precharge
Road, it is in parallel with the positive contactor 3 of electric discharge.
Such as：Electric discharge contactor (such as：Discharge positive contactor 3) input terminal, draw all the way copper bar fuse through DC/DC
Device (such as：DC/DC high tension loops fuse 2) it is connected to DC/DC high-tension connectors 20.
Such as：Electric discharge contactor (such as：Discharge positive contactor 3) both ends parallel connection precharging circuit, precharging circuit connects by preliminary filling
Tentaculum 12 and preliminary filling resistance 4 form, and when Full Vehicle System is capacitive load, capacitive load connection can be effectively relieved in precharging circuit
Influence of the dash current of moment to each control device and protection device.
It is simple in structure as a result, by positive contactor and the discharge loop fuse formation discharge circuit of discharging, and it is reliable to discharge
Property it is high.
Optionally, the DC/DC high-voltage power supply circuits can also include：Precharging circuit.
Such as：Copper bar 11- current dividers 10, structure are born in the positive copper bar 9- preliminary fillings resistance 4- preliminary fillings contactor 12- loads-electric discharge of battery
At battery system preliminary filling circuit.
Such as：Preliminary filling circuit controls 12 division of preliminary filling contactor by BMS controllers 1, and preliminary filling resistance 4 limits capacitive load and throws
Fashionable charging current, BMS controllers 1 by detection discharge contactor (such as：Discharge positive contactor 3) load terminal voltage (>=
95%U batteries) realize preliminary filling, complete judge and close electric discharge contactor (such as：Discharge positive contactor 3), complete preliminary filling.
In an optional specific example, the precharging circuit is arranged in the discharge circuit.
Such as：Each internal components being arranged in the babinet may include：Maintenance switch 5, charge-discharge circuit, preliminary filling
Circuit, DC/DC high input voltages circuit, BMS controllers 1 etc..
Such as：Maintenance switch 5, charge-discharge circuit, precharging circuit, DC/DC high input voltages circuit, BMS are provided in babinet
Controller 1.
Such as：Electric discharge contactor (such as：Discharge positive contactor 3) both ends parallel connection precharging circuit, precharging circuit connects by preliminary filling
Tentaculum 12 and preliminary filling resistance 4 form, and when Full Vehicle System is capacitive load, capacitive load connection can be effectively relieved in precharging circuit
Influence of the dash current of moment to each control device and protection device.
As a result, by the way that precharging circuit is arranged in discharge circuit, can be promoted discharge circuit electric discharge reliability of operation and
Safety.
More optionally, the precharging circuit may include：Preliminary filling resistance 4, preliminary filling contactor 12.Wherein,
In a more optional specific example, the total anode of busbar connects through the preliminary filling resistance 4 and the preliminary filling successively
After tentaculum 12, it is connected to the electric discharge output plus terminal.
Such as：The precharging circuit being made of preliminary filling contactor 12 and preliminary filling resistance 4, be connected in parallel on electric discharge contactor (such as：It puts
Electric positive contactor 3) both ends.
Precharging circuit is formed by preliminary filling resistance and preliminary filling contactor as a result, it is simple in structure, discharge circuit is protected
Reliability is high, safety is good.
Wherein, when the precharging circuit may include preliminary filling contactor 12, positive contactor 3, the preliminary filling of discharging
At least one of contactor 12 is connected to the charge and discharge control end.
As a result, by the positive contactor of BMS controllers control electric discharge and/or preliminary filling contactor, can be promoted to accordingly contacting
Device opens and closes the promptness and reliability of control.
In an optional embodiment, can also include：At least one of current divider 10, high-tension connector component.
In an optional example, the current divider 10 is connected to the total negative terminal of battery of the accumulator and the maintenance
Between the switch negative input side of switch 5.
Such as：BMS controllers 1 are sampled, the charging and discharging currents of detecting system by voltage sample and current divider.
As a result, by current divider carry out current sample, acquisition accuracy it is good, be conducive to promoted current detecting reliability and
Safety.
In an optional example, the high-tension connector component, with wait for the accumulator of distribution, the BMS controllers 1,
At least one of the maintenance switch 5 and the DC/DC high-voltage power supply circuits connect.
It is attached as a result, by high-tension connector component, connection type is easy, and reliability is high, safety is good.
In an optional embodiment, can also include：Babinet.
In an optional example, when the high voltage distribution installation can also include current divider 10, the current divider 10, institute
BMS controllers 1, the maintenance switch 5 and the DC/DC high-voltage power supply circuits are stated, the inside that cooperation is arranged in the babinet is empty
Between in.
In an optional example, when the high voltage distribution installation can also include high-tension connector component, the high pressure
Connector assembly is arranged at the back side of the babinet.
Such as：A kind of mixed dynamic locomotive under repairing power cell of vehicle system high pressure block terminal provided by the utility model, can be with
Including：Babinet, and each internal components for being arranged in the babinet.
As a result, by the way that babinet is arranged, each internal components can be housed and be protected, promote high voltage distribution installation operation
Reliability and safety, also help extend high voltage distribution installation service life.
In an optional embodiment, contactor 8, the electric discharge are being born just with the positive contactor 6 of the charging, the charging
At least one of contactor 3, described preliminary filling contactor 12 match, and are additionally provided with auxiliary contact.
In an optional example, the auxiliary contact can be used for feeding back the positive contactor 6 of the charging, the charging
The working condition of corresponding contactor in negative contactor 8, the positive contactor 3 of the electric discharge, the preliminary filling contactor 12.The BMS controls
Device 1 processed can be used for, according to the working condition, being detected the contact adhesion situation of corresponding contactor.
Such as：BMS controllers 1 detect the adhesion feelings of probe of contactor by the feedback states of each contactor auxiliary contact
Condition.
Such as：Charge positive contactor 6, charging bears that contactor 8, that the positive contactor of electric discharge 3 has auxiliary contact that can feed back is tactile
Head status, and contact adhesion detection is realized by BMS controllers 1, increase battery system operational reliability.
As a result, by carrying out adhesion detection according to the contact state of corresponding contactor, detection mode is easy, and testing result can
It is good by property height, safety.
In an optional example, the BMS controllers 1 can be also used for control charging contactor and the contactor that discharges
Contact state, realize to the charging contactor with it is described electric discharge contactor interlocking.
Wherein, the charging contactor is born contactor 8 by the positive contactor 6 of the charging and the charging and is formed.It is described to put
Electric contactor is formed by the positive contactor 3 that discharges.
Such as：Charging contactor (such as：Contactor 8 is born in charge positive contactor 6, charging) and the contactor that discharges (such as：It puts
Electric positive contactor 3), by the state of the detection contact of BMS controllers 1, realize interlocking.
The mutual lock control to the two is realized by the detection of the contacts status to charging contactor and electric discharge contactor as a result,
System, can promote reliability and the safety of the operational process such as charging, electric discharge, also help the use for extending electrokinetic cell system
Service life.
It is described when the high voltage distribution installation can also include high-tension connector component in an optional embodiment
High-tension connector component may include：Charge positive connector 14, charging bears that connector 15, the positive connector 16 of battery, battery are negative to be connected
Connect device 17, connector 18 is born in electric discharge, discharge positive connector 19, DC/DC high-tension connectors 20 and BMS controller low voltage connectors
21。
Such as：A kind of mixed dynamic locomotive under repairing electrokinetic cell system high voltage distribution box provided by the utility model, such as Fig. 1 and figure
Shown in 2, case (such as：Above-described babinet) in, can include：BMS controllers 1, are put DC/DC high tension loops fuse 2
Electric positive contactor 3, preliminary filling resistance 4, maintenance switch 5, the positive contactor 6 of charging, charge circuit fuse 7, charging bear contactor 8,
Copper bar 11, preliminary filling contactor 12, discharge loop fuse 13, the positive connector of charging are born in the positive copper bar 9 of battery, current divider 10, electric discharge
14, it charges and bears the negative connector 17 of connector 15, the positive connector 16 of battery, battery, connector 18 is born in electric discharge, the positive connector of electric discharge
19, DC/DC high-tension connectors 20, BMS controllers low voltage connector 21.
In an optional example, the positive connector 14 of charging is connected to the charger input positive terminal.
In an optional example, connector 15 is born in the charging, is connected to the charger input negative terminal.
In an optional example, the positive connector 16 of battery is connected to the total anode of the battery.
In an optional example, the battery bears connector 17, is connected to the total negative terminal of the battery.
In an optional example, connector 18 is born in the electric discharge, is connected to the electric discharge output negative terminal.
In an optional example, the positive connector 19 of electric discharge is connected to the electric discharge output plus terminal.
In an optional example, the DC/DC high-tension connectors 20 are connected to the high input voltage anode.
Such as：The other end of the total negative terminal of accumulator is connected to DC/DC high-tension connectors 20 by high-tension cable.
In an optional example, the BMS controllers low voltage connector 21 is connected to the low of the BMS controllers 1
Press control terminal.
Such as：Each charge and discharge electrical interface and battery interface, by high-tension connector realize case (such as：Above-described case
Body) inside and outside isolation and the conversion between cable and copper bar.
Corresponding connecting terminal is attached by high-tension connector as a result, it is user-friendly, and use reliable
Property and safety can be protected.
In an optional example, at least one connector is arranged using fool proof measure.
Such as：Each high-tension connector takes fool proof measure, prevents wrong plug.
Such as：High voltage interface uses the switching of high-tension connector realization external impetus harness and copper bar inside block terminal,
Each connector is designed with fool proof measure simultaneously, increases battery system security reliability.
As a result, by the way that fool proof measure is arranged, safety in utilization on the one hand can be promoted, on the other hand can promote user makes
Convenience, safety and hommization are promoted.
In an optional embodiment, can also include：Hard copper bar and cable.The cable may include：High-voltage electricity
Cable and low-voltage cable.
In an optional example, the total negative terminal of battery is also connected to the DC/DC high pressures through high-tension cable and connects
Device 20.
The high input voltage anode of battery total negative terminal and DC/DC power supplys, connection reliability are connected by high-tension cable as a result,
Height, safety in operation are good.
In an optional example, when the high voltage distribution installation can also include current divider 10, the DC/DC high pressures
Between circuit fuse 2 and the positive contactor of the electric discharge 3, the positive contactor 3 of the electric discharge and the discharge loop fuse 13 it
Between, it is described to discharge between positive contactor 3 and the maintenance switch 5, between the maintenance switch 5 and the total anode of the battery, institute
It states between maintenance switch 5 and the positive contactor 6 that charges, it is described between the maintenance switch 5 and the negative contactor 8 that charges
It charges between positive contactor 6 and the charge circuit fuse 7, the discharge loop fuse 13 and the positive connector of electric discharge
Between 19, between the maintenance switch 5 and the negative connector 18 that discharges, the current divider 10 and the battery bear connector
Between 17, between the total anode of battery and the positive connector of the battery 16, contactor 8 is born in the charging and the charging is negative connects
Between connecing device 15, between the charge circuit fuse 7 and the positive connector 14 that charges, connected using the hard copper bar.
Such as：Between DC/DC high tension loops fuse 2 and the positive contactor 3 that discharges, discharge positive contactor 3 and discharge loop
It between fuse 13, discharges between positive contactor 3 and maintenance switch 5, between maintenance switch 5 and the positive copper bar of battery 9, maintenance is opened
Close between 5 and the positive contactor of charging 6, between contactor 8 is born in maintenance switch 5 and charging, charge positive contactor 6 and charge circuit it is molten
Between disconnected device 7, between discharge loop fuse 13 and the positive connector of electric discharge 19, maintenance switch 5 and electric discharge bear connector 18 it
Between, between current divider 10 and battery bear connector 17, between the positive copper bar 9 of battery and the positive connector of battery 16, charges and bear contactor
Between 8 and the negative connector 15 that charges, between charge circuit fuse 7 and the positive connector 14 that charges, connected using copper bar.
Such as：It is connected using hard copper bar, rational deployment saves space, reduces wiring difficulty, increases high voltage distribution box peace
Quan Xing.
It is connected as a result, by hard copper bar so that the wiring difficulty of each internal components of high voltage distribution installation reduces, wiring
Compactedness and regularity are able to significant increase, so as to promote the reliable of high voltage distribution installation even electrokinetic cell system operation
Property and safety.
In an optional example, between the DC/DC high tension loops fuse 2 and the DC/DC high-tension connectors 20,
It is described to discharge between positive contactor 3 and the preliminary filling resistance 4, between the preliminary filling resistance 4 and the preliminary filling contactor 12, institute
It states between preliminary filling contactor 12 and the positive contactor 3 that discharges, the BMS controllers 1 and the BMS controllers low voltage connector
Between 21, connected using the low-voltage cable.
Such as：Between DC/DC high tension loops fuse 2 and DC/DC high-tension connectors 20, discharge positive contactor 3 and preliminary filling
Between resistance 4, between preliminary filling resistance 4 and preliminary filling contactor 12, between preliminary filling contactor 12 and the positive contactor 3 that discharges, BMS controls
Between device 1 and BMS controllers low voltage connector 21 processed, connected using low-voltage cable.
Respective terminal and connector are attached by low-voltage cable as a result, it is ensured that connect and run reliable
Property and safety, also save wire rod cost.
Through a large amount of verification experimental verification, using the technical solution of the present embodiment, by making battery low-pressure system pass through DC/DC
Automatic electricity getting can break away from the dependence to vehicle-mounted low tension battery as low-voltage system power source, alleviate vehicle-mounted low tension battery
Pressure can promote battery operation reliability.
Embodiment according to the present utility model is additionally provided corresponding to power cell of vehicle system high voltage distribution installation
A kind of power cell of vehicle system.The power cell of vehicle system may include：Above-described power cell of vehicle system is used
High voltage distribution installation.
In an optional embodiment, a kind of mixed dynamic locomotive under repairing power cell of vehicle system provided by the utility model
High voltage distribution box may include：Babinet, and each internal components for being arranged in the babinet.
New-energy electric vehicle high voltage power distributing cabinet (box/case), is all pure electric automobiles, plug-in hybrid-power automobile
High-voltage electricity high current allocation unit (Power Distribution Unit, PDU, also known as power distribution unit).The high voltage power distribution
Box, using centralized power distribution scheme, structure design is compact, and wiring topology is convenient, and maintenance is convenient and efficient.In addition, according to different clients
System architecture demand, high voltage distribution box also wants integration section battery management system intelligent control administrative unit, to more into one
Step simplifies the complexity of Full Vehicle System framework distribution.
Wherein, PDU, that is, the cabinet power distribution socket often said, PDU is that the electrical equipment installed for cabinet-type carries
The product designed for electric power distribution possesses a variety of series specifications that different functions, mounting means and different slots combine, energy
Suitable rack power distribution solution is provided for different power environments.The application of PDU can make the power supply point in cabinet
With more neat, reliable, safety, profession and beauty, and make the maintenance of power supply in cabinet more convenient and reliable.
In an optional example, each internal components being arranged in the babinet may include：Maintenance switch 5, charge and discharge
Circuit, precharging circuit, DC/DC high input voltages circuit, BMS controllers 1 etc..
Such as：Maintenance switch 5, charge-discharge circuit, precharging circuit, DC/DC high input voltages circuit, BMS are provided in babinet
Controller 1.
Optionally, always just always negative power line is entering block terminal (i.e. high voltage distribution box), electric power storage to accumulator by high-tension connector
Pond (such as：Lithium titanate battery) total anode is connected to the input side of maintenance switch 5 by copper bar, and one end of the total negative terminal of accumulator is by copper
Row is connected to the input side of maintenance switch 5 through current divider 10, and the other end of the total negative terminal of accumulator is connected to DC/DC by high-tension cable
High-tension connector 20.
Further, maintenance switch (such as：Maintenance switch 5) outlet side anode (such as：Always+end) one end is through putting
Electric contactor (such as：Discharge positive contactor 3), DC fuse (such as：Discharge loop fuse 13) it is connected to the positive height of electric discharge
Pressure connector (such as：Discharge positive connector 19), maintenance switch (such as：Maintenance switch 5) outlet side the positive other end warp
Charging contactor (such as：Charge positive contactor 6), DC fuse (such as：Charge circuit fuse 7) it is connected to the positive height of charging
Pressure connector (such as：Charge positive connector 14).
Further, maintenance switch (such as：Maintenance switch 5) cathode one end of outlet side is connected to the negative height of electric discharge by copper bar
Pressure connector (such as：Connector 18 is born in electric discharge), maintenance switch (such as：Maintenance switch 5) outlet side the cathode other end warp
Charging bear contactor 8 be connected to charging negative high voltage connector (such as：Connector 15 is born in charging).
Further, discharge contactor (such as：Discharge positive contactor 3) input terminal, it is molten through DC/DC to draw copper bar all the way
Disconnected device (such as：DC/DC high tension loops fuse 2) it is connected to DC/DC high-tension connectors 20.
Further, the precharging circuit being made of preliminary filling contactor 12 and preliminary filling resistance 4 is connected in parallel on electric discharge contactor (example
Such as：Discharge positive contactor 3) both ends.
Optionally, BMS controllers 1 are sampled, the charging and discharging currents of detecting system by voltage sample and current divider.
Optionally, BMS controllers 1 detect the adhesion of probe of contactor by the feedback states of each contactor auxiliary contact
Situation.
Optionally, charging contactor (such as：Contactor 8 is born in charge positive contactor 6, charging) and the contactor that discharges (such as：
Discharge positive contactor 3), by the state of the detection contact of BMS controllers 1, realize interlocking.
Optionally, the input side of system low-voltage DC/DC power supplys takes electricity, maintenance switch 5 to close rear DC/DC by high voltage bus
The input side of power supply obtains electric.Wherein, DC/DC power supplys are powered by charger when battery charges, and DC/DC power supplys are by moving when battery discharge
Power battery powered.
In an optional embodiment, a kind of mixed dynamic locomotive under repairing electrokinetic cell system high pressure provided by the utility model
Block terminal, as depicted in figs. 1 and 2, case (such as：Above-described babinet) in, can include：BMS controllers 1, DC/DC high pressures
Circuit fuse 2, the positive contactor 3 of electric discharge, preliminary filling resistance 4, maintenance switch 5, the positive contactor 6 of charging, charge circuit fuse 7,
Contactor 8, the positive copper bar 9 of battery, current divider 10, the negative copper bar 11 of electric discharge, preliminary filling contactor 12, discharge loop fuse are born in charging
13, the positive connector 14 of charging, charging bear connector 15, the positive connector 16 of battery, battery and bear connector 17, the negative connector of electric discharge
18, discharge positive connector 19, DC/DC high-tension connectors 20, BMS controllers low voltage connector 21.
Optionally, it between DC/DC high tension loops fuse 2 and the positive contactor of electric discharge 3, discharges and positive contactor 3 and discharges back
It between road fuse 13, discharges between positive contactor 3 and maintenance switch 5, between maintenance switch 5 and the positive copper bar of battery 9, maintenance is opened
Close between 5 and the positive contactor of charging 6, between contactor 8 is born in maintenance switch 5 and charging, charge positive contactor 6 and charge circuit it is molten
Between disconnected device 7, between discharge loop fuse 13 and the positive connector 19 that discharges, between maintenance switch 5 and the negative connector 18 that discharges,
Between current divider 10 and battery bear connector 17, between the positive copper bar 9 of battery and the positive connector of battery 16, charges and bear 8 He of contactor
Between connector 15 is born in charging, between charge circuit fuse 7 and the positive connector 14 that charges, connected using copper bar.
Optionally, between DC/DC high tension loops fuse 2 and DC/DC high-tension connectors 20, discharge positive contactor 3 and pre-
Between charging resistance 4, between preliminary filling resistance 4 and preliminary filling contactor 12, between preliminary filling contactor 12 and the positive contactor 3 that discharges, BMS controls
Between device 1 and BMS controllers low voltage connector 21 processed, connected using low-voltage cable.
Optionally, contactor is born in the positive contactor 6- charge circuit fuses 7- chargers-charging of the positive copper bar 9- chargings of battery
8- current dividers 10 constitute battery system charge circuit.
Optionally, copper bar 11- is born in the positive contactor 3- discharge loop fuses 13- loads-electric discharge of the positive copper bar 9- electric discharges of battery
Current divider 10 constitutes battery system discharge loop.
Optionally, copper bar 11- current dividers 10 are born in the positive copper bar 9- preliminary fillings resistance 4- preliminary fillings contactor 12- loads-electric discharge of battery,
Constitute battery system preliminary filling circuit.
Optionally, copper bar 11- current dividers are born in the positive copper bar 9-DC/DC high tension loops fuse 2-DC/DC power supplys-electric discharge of battery
Copper bar is born in 10 and charge circuit fuse 7- positive contactor 6-DC/DC high tension loop fuses 2-DC/DC power supplys-electric discharges of charging
Contactor 8 is born in 11- chargings, constitutes DC/DC high voltage supplies circuit.
Wherein, it is based on foregoing circuit, the major function of each circuit is described as follows：
Charge circuit by BMS controllers 1 control charging contactor (such as：Contactor 8 is born in charge positive contactor 6, charging
Deng) division, charging fastp-acting fuse (such as：Charge circuit fuse 7) for charge circuit provide short circuit and overcurrent protection, fill
Electric contactor (such as：Contactor 8 etc. is born in charge positive contactor 6, charging) state of feeding back main contact by auxiliary contact realizes
Contact adhesion detects, charging current and voltage by BMS controllers 1 current divider 10 and battery master just, main negative part (such as：Electricity
The positive connector 16 in pond, battery bear connector 17) on detect.
Discharge loop receives vehicle by BMS controllers 1 and instructs, control electric discharge contactor (such as：Discharge positive contactor 3) point
It closes, electric discharge fastp-acting fuse (such as：Discharge loop fuse 13) for discharge loop provide short circuit and overcurrent protection, electric discharge connect
Tentaculum (such as：Discharge positive contactor 3) contact adhesion detection, discharge current are realized by the state of auxiliary contact feedback main contact
With voltage by BMS controllers 1 current divider 10 and battery master just, main negative part (such as：The positive connector 16 of battery, battery are negative to be connected
Connect device 17) on detect.
Preliminary filling circuit controls 12 division of preliminary filling contactor by BMS controllers 1, when preliminary filling resistance 4 limits capacitive load input
Charging current, BMS controllers 1 by detection discharge contactor (such as：Discharge positive contactor 3) load terminal voltage (>=95%
UBattery) realize preliminary filling, complete judge and close electric discharge contactor (such as：Discharge positive contactor 3), complete preliminary filling.
DC/DC high voltage supplies circuit by high-tension fuse (such as：DC/DC high tension loops fuse 2) short circuit and mistake are provided
Current protection, maintenance switch 5 close rear DC/DC power supplys input side obtain it is electric, battery charge when DC/DC power supplys supplied by charger
Electricity, DC/DC power supplys are powered by power battery when battery discharge.
Each charge and discharge electrical interface and battery interface, by high-tension connector realize case (such as：Above-described babinet) in
Outer isolation and the conversion between cable and copper bar, each high-tension connector take fool proof measure, prevent wrong plug.
To sum up, the embodiment of the utility model, the advantageous effect that can at least reach may include：
(1) increase manual maintenance switch, greatly enhance the simplicity of system debug and O＆M, promote operational reliability.
(2) DC/DC power supplys are used, from the output high pressure side draw electricity of maintenance switch 5, when charging is powered by charger, is discharged
When powered by power battery, the output voltage of DC/DC power supplys alleviates vehicle-mounted low tension battery pressure as low-voltage system power source
Power.In this way, battery low-pressure system can be made to pass through DC/DC automatic electricity gettings, the dependence to vehicle-mounted low tension battery is broken away from.
(3) discharge contactor (such as：Discharge positive contactor 3) both ends parallel connection precharging circuit, precharging circuit contacts by preliminary filling
Device 12 and preliminary filling resistance 4 form, and when Full Vehicle System is capacitive load, precharging circuit can be effectively relieved capacitive load and connect wink
Between dash current to each control device and protection device influence.
(4) the positive contactor 6 of charging, the negative contactor 8 of charging, the positive contactor 3 that discharges have auxiliary contact that can feed back contact
State, and contact adhesion detection is realized by BMS controllers 1, increase battery system operational reliability.
(5) hard copper bar is used to connect, rational deployment saves space, reduces wiring difficulty, increases high voltage distribution box safety
Property.
(6) high voltage interface uses the switching of high-tension connector realization external impetus harness and copper bar inside block terminal, together
When each connector be designed with fool proof measure, increase battery system security reliability.
(7) in one, high voltage power distribution kit function is high for the charging of BMS controller collections, electric discharge, preliminary filling, battery cell monitoring, low-voltage distribution
It spends integrated, has simplified Full Vehicle System framework.
The processing and function realized by the power cell of vehicle system of the present embodiment essentially correspond to earlier figures 1 to figure
Embodiment, principle and the example of power cell of vehicle system high voltage distribution installation shown in 3, therefore in the description of the present embodiment not
Detailed place may refer to the related description in previous embodiment, and this will not be repeated here.
Through a large amount of verification experimental verification, increased using the technical solution of the utility model by increasing manual maintenance switch
Strong system is debugged and the simplicity of O＆M (run and safeguard).
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the right of the utility model.
Claims (11)
1. a kind of power cell of vehicle system high voltage distribution installation, which is characterized in that including：BMS controllers (1), maintenance are opened
Close (5) and DC/DC high-voltage power supply circuits；Wherein,
It waits for the total anode of the battery of the accumulator of distribution and the total negative terminal of battery, is being respectively connected to the switch of the maintenance switch (5) just
Input side and switch negative input side；
The switch positive output side and switch negative output side of the maintenance switch (5), are respectively connected to the power cell of vehicle system
The total anode of busbar and the total negative terminal of busbar of the DC bus of system；The total anode of busbar and the total negative terminal of the busbar, are separately connected
To the DC/DC high-voltage power supply circuits；
The busbar voltage collection terminal of the BMS controllers (1), is connected to the total anode of the busbar；The BMS controllers (1)
Charge and discharge control end is also connected to the DC/DC high-voltage power supply circuits.
2. the apparatus according to claim 1, which is characterized in that further include：In current divider (10), high-tension connector component
At least one；Wherein,
The current divider (10) is connected to the switch negative input of the total negative terminal of battery and the maintenance switch (5) of the accumulator
Between side；
The high-tension connector component, with accumulator, the BMS controllers (1), the maintenance switch (5) and the institute for waiting for distribution
State the connection of at least one of DC/DC high-voltage power supply circuits.
3. the apparatus according to claim 1, which is characterized in that further include：Babinet；
When the high voltage distribution installation further includes current divider (10), the current divider (10), the BMS controllers (1), the dimension
Shield switch (5) and the DC/DC high-voltage power supply circuits, cooperation are arranged in the inner space of the babinet；
When the high voltage distribution installation further includes high-tension connector component, the high-tension connector component is arranged in the babinet
The back side.
4. according to the device described in one of claim 1-3, which is characterized in that wherein,
The maintenance switch (5), including：Automatic maintenance switch or manual maintenance switch；
And/or
The DC/DC high-voltage power supply circuits, including：Charging circuit, DC/DC high input voltages circuit and discharge circuit；Wherein,
The charging circuit, the DC/DC high input voltages circuit and the discharge circuit, are respectively connected to the total anode of the busbar
With the total negative terminal of the busbar；
The DC/DC high input voltages circuit is powered when the accumulator charges by charger, in the battery discharging by
The power cell of vehicle system power supply.
5. device according to claim 4, which is characterized in that wherein,
The maintenance switch (5), including：Breaker；
And/or
The DC/DC high-voltage power supply circuits further include：Precharging circuit；
The precharging circuit is arranged in the discharge circuit.
6. device according to claim 4, which is characterized in that wherein,
The charging circuit, including：Charge positive contactor (6), charge circuit fuse (7) and the negative contactor (8) of charging；Its
In,
The first input end of the positive contactor (6) of charging, is respectively connected to the total anode of the busbar and the charge and discharge control
End；First output end of the positive contactor (6) of the charging, after charged circuit fuse (7), the charger as charger is defeated
Enter anode；
The second input terminal of contactor (8) is born in the charging, is respectively connected to the total negative terminal of the busbar and the charge and discharge control
End；The second output terminal of contactor (8), the charger input negative terminal as charger are born in the charging；
And/or
The DC/DC high input voltages circuit, including：DC/DC high tension loops fuse (2) and DC/DC power supplys；Wherein,
The total anode of busbar, after the DC/DC high tension loops fuse (2), the high pressure for being connected to the DC/DC power supplys is defeated
Enter anode；The total negative terminal of busbar, is connected to the high input voltage negative terminal of the DC/DC power supplys；
The wake-up signal input terminal of the DC/DC power supplys is connected to the charge and discharge control end；The low pressure of the DC/DC power supplys
Output plus terminal and low pressure export negative terminal, as low-voltage power supply input positive terminal and low-voltage power supply input negative terminal；
And/or
The discharge circuit, including：Discharge positive contactor (3) and discharge loop fuse (13)；Wherein,
The total anode of busbar, successively after the positive contactor (3) of the electric discharge and the discharge loop fuse (13), as putting
Electricity output anode；The exit of the total negative terminal of busbar exports negative terminal as electric discharge；
Wherein,
When the discharge circuit further includes precharging circuit, the precharging circuit is in parallel with the electric discharge positive contactor (3).
7. device according to claim 6, which is characterized in that the precharging circuit, including：Preliminary filling resistance (4), preliminary filling connect
Tentaculum (12)；Wherein,
The total anode of busbar is connected to the electric discharge successively after the preliminary filling resistance (4) and the preliminary filling contactor (12)
Output plus terminal；
And/or
When the precharging circuit includes preliminary filling contactor (12),
Discharge at least one of the positive contactor (3), the preliminary filling contactor (12), are connected to the charge and discharge control
End.
8. device according to claim 7, which is characterized in that bear and contact with the positive contactor (6) of the charging, the charging
At least one of device (8), the positive contactor (3) of the electric discharge, the preliminary filling contactor (12) match, and are additionally provided with auxiliary and touch
Head；
The auxiliary contact, for feeding back the positive contactor (6) of the charging, contactor (8) is born in the charging, the electric discharge is just connecing
The working condition of corresponding contactor in tentaculum (3), the preliminary filling contactor (12)；The BMS controllers (1), for according to institute
Working condition is stated, the contact adhesion situation of corresponding contactor is detected；
And/or
The BMS controllers (1), are additionally operable to the contact state of control charging contactor and the contactor that discharges, and realization is filled to described
The interlocking of electric contactor and the electric discharge contactor；Wherein,
The charging contactor is born contactor (8) by the positive contactor (6) of the charging and the charging and is formed；The electric discharge connects
Tentaculum is formed by the positive contactor (3) of electric discharge.
9. device according to claim 7 or 8, which is characterized in that when the high voltage distribution installation further includes high-tension connector
When component, the high-tension connector component, including：Charge positive connector (14), the negative connector (15) of charging, the positive connector of battery
(16), battery bears connector (17), connector (18) is born in electric discharge, the positive connector (19) of electric discharge, DC/DC high-tension connectors (20) and
At least one of BMS controllers low voltage connector (21) connector；Wherein,
The positive connector (14) of charging, is connected to the charger input positive terminal；
Connector (15) is born in the charging, is connected to the charger input negative terminal；
The positive connector of battery (16), is connected to the total anode of the battery；
The battery bears connector (17), is connected to the total negative terminal of the battery；
Connector (18) is born in the electric discharge, is connected to the electric discharge output negative terminal；
The positive connector (19) of electric discharge, is connected to the electric discharge output plus terminal；
The DC/DC high-tension connectors (20), are connected to the high input voltage anode；
The BMS controllers low voltage connector (21) is connected to the low voltage control end of the BMS controllers (1)；
And/or
At least one connector, is arranged using fool proof measure.
10. device according to claim 9, which is characterized in that further include：Hard copper bar and cable；The cable, including：
High-tension cable and low-voltage cable；Wherein,
The total negative terminal of battery is also connected to the DC/DC high-tension connectors (20) through high-tension cable；
And/or
When the high voltage distribution installation further includes current divider (10), the DC/DC high tension loops fuse (2) and the electric discharge are just
It is described to discharge between positive contactor (3) and the discharge loop fuse (13) between contactor (3), the positive contact of electric discharge
Between device (3) and the maintenance switch (5), between the maintenance switch (5) and the total anode of the battery, the maintenance switch
(5) described to fill between the maintenance switch (5) and the negative contactor (8) of the charging between the positive contactor (6) of charging
Just between contactor (6) and the charge circuit fuse (7), the discharge loop fuse (13) and the electric discharge just connect electricity
Between connecing device (19), between the maintenance switch (5) and the negative connector (18) of the electric discharge, the current divider (10) and the electricity
Between connector (17) is born in pond, between the total anode of battery and the positive connector of the battery (16), contactor is born in the charging
(8) between bearing connector (15) the charging, the charge circuit fuse (7) and it is described charge positive connector (14) it
Between, connected using the hard copper bar；
And/or
Between the DC/DC high tension loops fuse (2) and the DC/DC high-tension connectors (20), the positive contactor of electric discharge
(3) between the preliminary filling resistance (4), between the preliminary filling resistance (4) and the preliminary filling contactor (12), the preliminary filling contact
Between device (12) and the positive contactor (3) of electric discharge, the BMS controllers (1) and the BMS controllers low voltage connector (21)
Between, connected using the low-voltage cable.
11. a kind of power cell of vehicle system, which is characterized in that including：Vehicle as described in any one of claim 1-10
Electrokinetic cell system high voltage distribution installation.
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| CN107985080A (en) * | 2017-12-22 | 2018-05-04 | 珠海银隆电器有限公司 | Power cell of vehicle system high voltage distribution installation and power cell of vehicle system |
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