CN108501724A - A kind of new energy auto high-voltage electrical box - Google Patents
A kind of new energy auto high-voltage electrical box Download PDFInfo
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- CN108501724A CN108501724A CN201810173766.8A CN201810173766A CN108501724A CN 108501724 A CN108501724 A CN 108501724A CN 201810173766 A CN201810173766 A CN 201810173766A CN 108501724 A CN108501724 A CN 108501724A
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- relay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of new energy auto high-voltage electrical boxes, are made of internal circuit and external shell, and internal circuit includes：High voltage control circuit, high voltage control is in series with main relay on circuit, the control circuit tie-in line accessed for controller is provided on main relay, the positive branch one end in high voltage control circuit is provided with the battery pack anode tie point of connection battery pack, the other end is provided with electric machine controller anode access point, and the cathode branch one end in high voltage control circuit is provided with the battery pack cathode tie point other end and is provided with electric machine controller cathode access point；Upper electric protection branch; upper electric protection branch is in parallel with the main relay; for the electric current in circuit where limiting upper electric protection branch, and branch road is in series with and powers on protective relay, powers on the control circuit tie-in line for being provided on protective relay and being accessed for controller.The high pressure electric appliance box can effectively avoid entire new energy automobile powered on moment impact electric current and be damaged caused by vehicle electric component.
Description
Technical field
The present invention relates to technical field of new energy, more particularly to a kind of new energy auto high-voltage electrical box.
Background technology
New-energy automobile refers mainly to pure electric automobile or oil-electric vehicle at present.
Currently, the battery pack of new-energy automobile is connected to vehicle High-Voltage Electrical Appliances component by switch, when new-energy automobile
After starting switch is opened, then battery pack and vehicle High-Voltage Electrical Appliances members, the rotating speed of the motor of automobile is controlled by electric switch
Size, to control the speed of new-energy automobile.
But there is very big problem in the connection between new energy car battery packet and vehicle high tension apparatus at present, it is main to show
It is only opened by switching control or is broken in, battery pack and vehicle high voltage component, since automobile starting switch is vehicle high-tension circuit
Global switch, therefore when automobile starting switch is closed, vehicle high tension apparatus is also just instantaneously being coupled with high-voltage electricity.Many institutes
Known, high-voltage electricity will produce great dash current in powered on moment, this can cause vehicle high voltage component greatly to damage, instantaneously
High current may cause the electric machine controller between motor and battery pack to be burned out due to transient high-current, seriously affect new energy
The safety of source automobile in use.
Therefore, how to make new-energy automobile that vehicle may be implemented to power on safely, be that there is an urgent need for solutions by current those skilled in the art
Certainly the technical issues of.
Invention content
The object of the present invention is to provide a kind of new energy auto high-voltage electrical boxes, for connecting battery pack and vehicle high-voltage electricity
Device component, to prevent from causing electric machine controller to burn or high since dash current is excessive in vehicle high voltage component powered on moment
There is adhesion phenomenon and leads to fault in relay contact in pressure control loop.
In order to solve the above technical problems, the present invention provides a kind of new energy auto high-voltage electrical box, for connecting battery pack
With vehicle High-Voltage Electrical Appliances component, the external shell being adapted to by internal circuit and with internal circuit forms, and internal circuit includes：
High voltage control circuit is in series with main relay on the high voltage control circuit, is arranged on the main relay useful
In the control circuit tie-in line of BCU accesses, the positive branch one end in the high voltage control circuit is provided with the electricity of connection battery pack
The positive tie point of pond packet, the other end are provided with battery pack cathode tie point, and the cathode branch one end in the high voltage control circuit is set
It is equipped with battery pack cathode tie point, the other end is provided with electric machine controller cathode access point；
Upper electric protection branch, the upper electric protection branch is in parallel with the main relay, for limiting the upper electric protection
The electric current in circuit where branch, and branch road is in series with and powers on protective relay, described power on is provided on protective relay
Control circuit tie-in line for BCU accesses.
Preferably, the main relay includes the positive relay of master being connect with battery pack anode tie point and is born with battery pack
The master that pole tie point is directly connected to bears relay, and the upper electric protection branch is in parallel with main positive relay.
Preferably, it is in series with current-limiting resistance in the upper electric protection branch.
Preferably, further include that one end is connect with the battery pack anode access point, the other end and battery pack cathode access point
The voltage acquisition branch of connection, the voltage acquisition branch are provided with voltmeter access point.
Preferably, further include being series on the high voltage control circuit, be used for the current sensor of collecting work electric current.
Preferably, further include being connected with the battery pack anode by the high voltage control circuit and the upper electric protection branch
The connected charging anode interface of contact；The charging being connected with the battery pack cathode tie point by the high voltage control circuit is negative
Pole interface.
Preferably, further include：It is series between the charging anode interface and the battery pack anode interface, or series connection
It is provided on the charge relay to charge between cathode interface and the battery pack cathode interface, the charge relay
Control circuit tie-in line for HCU accesses.
Preferably, the charging anode interface includes fast charge anode interface and trickle charge anode interface；The charging cathode connects
Mouth includes fast charge cathode interface and trickle charge cathode interface.
Preferably, further include the fuse being series on the high voltage control circuit.
Preferably, the external shell is seal casinghousing, is provided with and battery pack anode tie point on the external shell
Connected battery pack anode waterproof port, the battery pack cathode waterproof port being connected with battery pack cathode tie point, with motor control
The connected electric machine controller anode waterproof port of device anode access point processed, the electric machine controller being connected with electric machine controller cathode are negative
Pole waterproof port, the fast charge anode waterproof port being connected with charging anode interface, the fast charge cathode being connected with charging cathode interface
Waterproof port.
New energy auto high-voltage electrical box disclosed in this invention as can be seen from the above technical solutions, is connected to battery pack
Between vehicle High-Voltage Electrical Appliances component, inside include：High voltage control circuit is in series with main relay on the high voltage control circuit
Device is provided with the control circuit tie-in line accessed for controller on the main relay, and high voltage control circuit one end is set
It is equipped with battery pack anode and cathode tie point, the other end is provided with electric machine controller anode and cathode access point；
Upper electric protection branch, the upper electric protection branch is in parallel with the main relay, and the upper electric protection branch is used for
The electric current in circuit where limiting it, and be in series with to power on to power on to be provided on protective relay described in protective relay thereon and be used for
The control circuit tie-in line of controller access.
Battery pack anode tie point is connected with battery pack anode in use, battery pack cathode tie point and battery pack
Cathode is connected, and electric machine controller anode access point is connect with electric machine controller anode, electric machine controller cathode access point and motor
Controller cathode connects, and each relay is connected with controller.When high pressure powers on, control first powers on protective relay and closes
Close, then main relay is closed again and protective relay will be powered on disconnects, due to power on protective relay be closed and it is main after
When electric appliance disconnects, electric current is via power up protection branch and is flowed into electric machine controller, since upper electric protection branch is current-limiting circuit, thus
Above-mentioned electric current is smaller to the impact of electric machine controller, is then closed main relay, then the electric current in electric machine controller is gradually to increase
Greatly, it is real to the impact caused by electric machine controller and other high-voltage electrical apparatus components to effectively prevent high pressure powered on moment impact electric current
Show vehicle to power on safely.
Description of the drawings
The electrical schematic diagram for the new energy auto high-voltage electrical box that Fig. 1 is provided by the embodiment of the present invention one；
The electrical schematic diagram for the new energy auto high-voltage electrical box that Fig. 2 is provided by the embodiment of the present invention two；
The electrical schematic for the new energy auto high-voltage electrical box that Fig. 3 is provided by the embodiment of the present invention three；
The external shell schematic diagram for the new energy auto high-voltage electrical box that Fig. 4 is provided by the embodiment of the present invention three；
The internal circuit diagram for the new energy auto high-voltage electrical box that Fig. 5 is provided by inventive embodiments three.
Specific implementation mode
Core of the present invention is to provide a kind of new energy auto high-voltage electrical box, which can prevent new-energy automobile
Vehicle high tension apparatus is damaged powering on instantaneous dash current, effective protection vehicle High-Voltage Electrical Appliances component.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Embodiment one
Please refer to attached drawing 1, the electrical principle for the new energy high pressure electric appliance box that attached drawing 1 is provided by the embodiment of the present invention one
Figure.
The high voltage control circuit being previously mentioned in the embodiment of the present invention specifically refers to battery pack and electric machine controller and motor
The circuit of the driving motor operating formed, is high-voltage electricity in the circuit, and main positive relay 26, powers on guarantor at main negative relay 25
The control circuit protected in relay 18, PTC relays 32 and charge relay 27 is the low pressure control being connected with corresponding controllers
Circuit processed.
The new energy high pressure electric appliance box that the embodiment of the present invention one is provided is used in pure electric automobile or hybrid electric vehicle,
Battery pack and vehicle High-Voltage Electrical Appliances component are connected, the external shell 10 being adapted to by internal circuit and with internal circuit forms, described
Battery pack anode interface 14, battery pack cathode interface 13, electric machine controller anode interface 11, electricity are provided on external shell 10
Machine controller cathode interface 12, internal circuit specifically includes：
High voltage control circuit is in series with main relay 15 on high voltage control circuit, is provided with for BCU on main relay 15
The control circuit tie-in line of (batterycontrolunite battery management systems) controller access, high voltage control circuit includes
Positive branch one end of positive branch and cathode branch, the high voltage control circuit is provided with the battery pack anode of connection battery pack
Tie point, the other end are provided with electric machine controller anode access point, and the cathode branch one end in the high voltage control circuit is provided with
Battery pack cathode tie point, the other end are provided with and electric machine controller cathode access point；Battery pack anode interface 14 and battery pack
Positive tie point be connected, battery pack cathode interface 13 is connected with battery pack cathode tie point, electric machine controller anode interface 11 and
Electric machine controller anode access point is connected, and electric machine controller cathode interface 12 is connected with electric machine controller cathode access point.
Upper electric protection branch, upper electric protection branch is in parallel with the main relay 15, for limiting the upper electric protection branch
The electric current in circuit where road, and branch road is in series with and powers on protective relay 18, described power on is arranged on protective relay 18
It is useful for the control circuit tie-in line of BCU accesses.
Preferably, upper electric protection branch place is limited in the upper electric protection branch in the present embodiment using current-limiting resistance 17
Electric current in circuit,
As shown in Fig. 1, the positive electrode and negative electrode of battery pack are connected to the electricity of new energy auto high-voltage electrical box
Pond packet anode interface 14 and battery pack cathode interface 13, the positive electrode and negative electrode for the electric machine controller being connected to the motor are separately connected
In the electric machine controller anode interface 11 and electric machine controller cathode interface 12 of new energy auto high-voltage electrical box, main relay 15
It is connect respectively with BCU with the BCU control circuits tie-in line powered in protective relay 18, BCU can control main relay 15 and upper
The disconnection of electric protection relay 18 and closure and its closing order.
When vehicle high-voltage electricity powers on, BCU is controlled first powers on the closure of protective relay 18, and main relay 15 disconnects, this
When dash current by be upper electric protection branch and flow through electric machine controller, current limliting of the electric current due to upper electric protection branch at this time
Effect can be limited in smaller range, will not damage the electric component on the circuit, and then, BCU controls main relay 15
It is closed and disconnects and power on protective relay 18, so that electric current is passed through 15 place circuit of main relay i.e. high voltage control circuit, be flowed into
Electric machine controller, thus the electric current in electric machine controller is gradually increased, this just effectively prevents high pressure powered on moment impact
Electric current it is too big and caused by vehicle High-Voltage Electrical Appliances component damage, realize vehicle and power on safely.
In order to further ensure the safety of High-Voltage Electrical Appliances internal circuit and vehicle high-tension circuit, also exist in the present embodiment
It is in series with fuse 16 on high voltage control circuit, High-Voltage Electrical Appliances component is damaged to prevent vehicle high-tension circuit electric current is excessive.
In order to advanced optimize technical solution proposed by the invention, the present invention has been done on the basis of embodiment one into one
Step is improved.
Embodiment two
Please refer to attached drawing 2, the electrical original for the new energy auto high-voltage electrical box that attached drawing 2 is provided by the embodiment of the present invention two
Reason figure.
Main relay 15 in the present embodiment divides bears relay 25, main positive relay 26 and electricity for the positive relay 26 of master and master
Pond packet anode interface 14 is connected, and main negative relay 25 is directly connected with battery pack cathode interface, upper electric protection branch and master just after
Electric appliance 26 is in parallel.
Further include that one end is connect with battery pack anode interface 14 in order to advanced optimize scheme, in the present embodiment, the other end
The voltage acquisition branch being connect with battery pack cathode interface 13, branch road are provided with voltmeter access point 24, while in order to right
Electric current on new energy auto high-voltage electrical box high voltage control circuit is monitored in real time, further includes being series at height in the present embodiment
The current sensor 28 in control loop is pressed, the voltmeter of voltmeter access point 24 and the measurement data of current sensor are connected to
It is sent in BCU by control circuit, and output power size is calculated by BCU, the calculating power and the setting in BCU
Power bracket is compared, and when beyond setting range, BCU is by the main positive relay 26 of control, main negative relay 25 and powers on guarantor
It protects relay 18 to disconnect rapidly, to protect vehicle High-Voltage Electrical Appliances component.
The compactedness of vehicle electric component structure in order to further increase keeps its arrangement more reasonable, the present embodiment
In new energy auto high-voltage electrical box also add charge function, it is specific to pass through high voltage control circuit and upper electric protection branch
The charging anode interface that road is connected with battery pack anode interface 14 is connected by high voltage control circuit with battery pack cathode interface 13
Charging cathode interface, further, the charging anode interface includes fast charge anode interface for high current quick charge
21 and the trickle charge anode interface that charges at a slow speed of fast charge cathode interface 23 and low current and trickle charge cathode interface.Fast charge anode connects
Mouth 21 and fast charge cathode interface 23 are connected using copper bar with battery pack anode interface 14 and battery pack cathode interface 13, and trickle charge is just
Pole interface and trickle charge cathode interface are connected using rigid line and copper bar with battery pack anode interface 14 and battery pack cathode interface 13, more
Trickle charge anode interface and trickle charge cathode interface are merged into trickle charge interface 22 in further the present embodiment, in trickle charge interface 22
Anode is connected with trickle charge anode, and the cathode in trickle charge interface 22 is connected with trickle charge cathode.
Further include being series at the charging anode interface and institute in order to control the auto switching of charging process, in the present embodiment
Between stating battery pack anode interface, or it is series at the charging charged between cathode interface and the battery pack cathode interface
Relay 27 is provided on the charge relay 27 and is connect for HCU (Hybirdcontrolunit entire car controllers) circuit
Enter line, the HCU circuits tie-in line is connected with HCU, and disconnection and the closure of charge relay 27 are controlled by HCU.
Embodiment three
It please also refer to attached drawing 3 and attached drawing 4, the new-energy automobile high-voltage electricity that attached drawing 3 is provided by the embodiment of the present invention three
The electrical schematic of device box, the new energy auto high-voltage electrical box external shell schematic diagram that Fig. 4 is provided by inventive embodiments three.
As shown in figure 3, being further improved on the basis of above-described embodiment two in the present embodiment, direct current change is increased
Parallel operation branch and PTC (PositiveTemperatureCoefficient posive temperature coefficient thermistors) branch, the PTC
Branch road is in series with the PTC relays 32 of control PTC break-makes, and the relay is connected to HCU by control circuit tie-in line, by
HCU is controlled it.The DC converter circuit is in parallel with electric machine controller, it is preferred that the DC converting of the present embodiment
Device incoming end is arranged using copper bar in same interface, i.e. voltmeter, DC converter with voltmeter incoming end and PTC incoming ends
Or PTC access points 31.
Simultaneously in order to achieve the effect that the new energy auto high-voltage electrical box waterproof and dustproof, as shown in figure 4, the present embodiment
In external shell 10 be seal casinghousing, the battery pack anode interface 14 on the external shell 10 it is also preferred that use battery
The positive waterproof port S7 of packet, battery pack cathode interface 13 preferably use battery pack cathode waterproof port S8, and electric machine controller is just
Pole interface 11 uses electric machine controller anode waterproof port S5, electric machine controller cathode interface 12 anti-using electric machine controller cathode
Water interface S6, fast charge anode interface 21 use fast charge anode waterproof port S1, fast charge cathode interface 23 to use fast charge cathode waterproof
Interface S2, trickle charge interface 22 use trickle charge waterproof port S3, voltmeter, DC converter or PTC access points 31 also to use direct current
Converter and voltage acquisition waterproof port S4.
Please refer to attached drawing 5, the inside electricity for the new energy auto high-voltage electrical box that attached drawing 5 is provided by the embodiment of the present invention three
Lu Tu, wherein 1 is battery pack anode tie point, which connect with battery pack anode interface 14, and 1 ' is battery pack cathode tie point,
The line is connected with battery pack cathode interface 13；2 be electric machine controller anode access point, the line and electric machine controller anode interface 11
Connection, 2 ' be electric machine controller cathode access point, which connect with electric machine controller cathode interface 12；3 be fast charge positive terminal
End, the line are connected with fast charge anode interface 21, and 3 ' be fast charge negative terminals, which connect with fast charge cathode interface 23；4 are
Trickle charge positive terminal, 4 ' be trickle charge negative terminals, this two lines is connected with trickle charge interface；5 be voltmeter positive terminal,
The line is connect with the voltage acquisition anode in voltmeter, DC converter or PTC access points 31, and 5 ' be voltmeter negative terminal
End, the line are connect with the voltage acquisition cathode in voltmeter, DC converter or PTC access points 31；6 be PTC positive terminals,
The line is connected with the PTC anodes in voltmeter, DC converter or PTC access points 31,6 ' be PTC negative terminals, the line with
PTC cathode in voltmeter, DC converter or PTC access points 31 are connected；7 be DC converter anode incoming end, the line with
DC converter anode in voltmeter, DC converter or PTC access points 31 is connected, and 7 ' access for DC converter cathode
End, the line are connected with the DC converter cathode in voltmeter, DC converter or PTC access points 31.
Vehicle is realized to electric protection, battery pack charge protection and Current Voltage acquisition on vehicle by taking embodiment three as an example below
The function that circuit monitors in real time is described.
Electric protection on vehicle
Before vehicle powers on, each tie point for the new energy auto high-voltage electrical box that the embodiment of the present invention is provided is equal
It is connected with corresponding electric appliance component, when vehicle high pressure powers on, BCU is controlled first powers on the closure of protective relay 18, and master is just
Relay 26 disconnects, and electric current is flowed into electric machine controller by upper electric protection branch at this time, due to being connected on upper electric protection branch
Limited leakage resistance 17, so electric current at this time is within the scope of very little, then the main positive relay 26 of BCU controls is closed and simultaneously
Disconnection powers on protective relay 18, and electric current flows through main positive relay and is flowed into motor control via high voltage control circuit at this time
Device, since electric machine controller is generally connected with storage capacitor, there has been certain voltage at storage capacitor both ends at this time, when it is main just after
The voltage at itself and electric machine controller both ends is obviously reduced when electric appliance 26 is closed, and wink is closed to effectively reduce main positive relay 26
Between dash current in circuit, each High-Voltage Electrical Appliances component on effective protection circuit.
Battery pack charge protection
It being illustrated by taking fast charge mode as an example, when being charged, HCU controls the closure of charge relay 27 first,
BCU is controlled first powers on the closure of protective relay 18, thus the electric current in charging process is to flow through electric protection branch first, by
In the metering function of upper electric protection branch, thus the electric current started is in smaller range, then the main positive relay of BCU controls
26 are closed, to realize the process ascending to battery pack charging current, to be effectively protected to battery pack.
The realization of vehicle real time monitoring function
Voltmeter is accessed in voltmeter, DC converter or PTC access points 31, voltmeter is real-time by the voltage data measured
It is sent to BCU, the electric current of measurement is also sent to BCU by the current sensor 28 on high voltage control circuit in real time, and BCU utilizes reception
The voltage and current data arrived carry out the calculating of output power, and are compared with setpoint power output, when calculating output power
When no longer within the scope of setpoint power output.BCU can directly control main positive relay 26, main negative relay 25 by control circuit
It is disconnected with protective relay 18 is powered on, the partition of vehicle electric component and battery pack is realized, to protect vehicle electric component.
New energy auto high-voltage electrical box provided by the present invention is described in detail above.Tool used herein
Principle and implementation of the present invention are described for body example, and the explanation of above example is only intended to help to understand this hair
Bright method and its core concept.It should be pointed out that for those skilled in the art, not departing from the present invention
, can be with several improvements and modifications are made to the present invention under the premise of principle, these improvement and modification also fall into right of the present invention
It is required that protection domain in.
Claims (10)
1. a kind of new energy auto high-voltage electrical box, for connecting battery pack and vehicle High-Voltage Electrical Appliances component, by internal circuit and
The external shell composition being adapted to internal circuit, which is characterized in that internal circuit includes：High voltage control circuit, the height are voltage-controlled
It is in series with main relay on circuit processed, the control circuit tie-in line accessed for BCU, the height are provided on the main relay
Positive branch one end of pressure control loop is provided with the battery pack anode tie point of connection battery pack, and the other end is provided with motor control
Cathode branch one end of device anode access point processed, the high voltage control circuit is provided with battery pack cathode tie point, and the other end is set
It is equipped with and electric machine controller cathode access point；Upper electric protection branch, the upper electric protection branch is in parallel with the main relay, uses
The electric current in circuit where limiting the upper electric protection branch, and branch road is in series with and powers on protective relay, it is described to power on
The control circuit tie-in line accessed for BCU is provided on protective relay.
2. new energy auto high-voltage electrical box according to claim 1, which is characterized in that the main relay includes and electricity
The positive relay of master of the positive tie point connection of pond packet and the master being directly connected to battery pack cathode tie point bear relay, it is described on
Electric protection branch is in parallel with main positive relay.
3. new energy auto high-voltage electrical box according to claim 1, which is characterized in that gone here and there in the upper electric protection branch
It is associated with current-limiting resistance.
4. new energy auto high-voltage electrical box according to claim 1, which is characterized in that further include one end and the battery
The positive access point connection of packet, the voltage acquisition branch that the other end is connect with battery pack cathode access point, the voltage acquisition branch
It is provided with voltmeter access point.
5. new energy auto high-voltage electrical box according to claim 1, which is characterized in that further include being series at the high pressure
In control loop, it to be used for the current sensor of collecting work electric current.
6. new energy auto high-voltage electrical box according to claim 1, which is characterized in that further include voltage-controlled by the height
The charging anode interface that circuit processed and the upper electric protection branch are connected with the battery pack anode tie point；Pass through the high pressure
The charging cathode interface that control loop is connected with the battery pack cathode tie point.
7. new energy auto high-voltage electrical box according to claim 6, which is characterized in that further include：It is series at described fill
Between electric anode interface and the battery pack anode interface, or it is series at the charging cathode interface and the battery pack cathode
Charge relay between interface is provided with the control circuit tie-in line accessed for HCU on the charge relay.
8. new energy auto high-voltage electrical box according to claim 7, which is characterized in that the charging anode interface includes
Fast charge anode interface and trickle charge anode interface；The charging cathode interface includes fast charge cathode interface and trickle charge cathode interface.
9. new energy auto high-voltage electrical box according to claim 1, which is characterized in that further include being series at the high pressure
Fuse in control loop.
10. new energy auto high-voltage electrical box according to claim 6, which is characterized in that the external shell is sealing
Shell is provided with the battery pack anode waterproof port being connected with battery pack anode tie point on the external shell, with battery pack
The connected battery pack cathode waterproof port of cathode tie point, the electric machine controller anode being connected with electric machine controller anode access point
Waterproof port, the electric machine controller cathode waterproof port being connected with electric machine controller cathode are connected fast with charging anode interface
Positive waterproof port is filled, the fast charge cathode waterproof port being connected with charging cathode interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173766.8A CN108501724A (en) | 2018-03-02 | 2018-03-02 | A kind of new energy auto high-voltage electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173766.8A CN108501724A (en) | 2018-03-02 | 2018-03-02 | A kind of new energy auto high-voltage electrical box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108501724A true CN108501724A (en) | 2018-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810173766.8A Withdrawn CN108501724A (en) | 2018-03-02 | 2018-03-02 | A kind of new energy auto high-voltage electrical box |
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| CN (1) | CN108501724A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545619A (en) * | 2018-12-30 | 2019-03-29 | 安徽华成电子科技有限公司 | High current hybrid relay |
| CN110745022A (en) * | 2019-10-25 | 2020-02-04 | 吉林北斗航天汽车研究院有限公司 | A multi-functional controller and new energy automobile for new energy automobile |
| CN111071022A (en) * | 2020-01-09 | 2020-04-28 | 吉利汽车研究院（宁波）有限公司 | Battery pack arrangement system and vehicle |
| CN111152659A (en) * | 2019-12-25 | 2020-05-15 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
-
2018
- 2018-03-02 CN CN201810173766.8A patent/CN108501724A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545619A (en) * | 2018-12-30 | 2019-03-29 | 安徽华成电子科技有限公司 | High current hybrid relay |
| CN110745022A (en) * | 2019-10-25 | 2020-02-04 | 吉林北斗航天汽车研究院有限公司 | A multi-functional controller and new energy automobile for new energy automobile |
| CN111152659A (en) * | 2019-12-25 | 2020-05-15 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
| CN111152659B (en) * | 2019-12-25 | 2021-09-10 | 浙江合众新能源汽车有限公司 | Battery pack high-voltage topological structure and relay adhesion detection method based on structure |
| CN111071022A (en) * | 2020-01-09 | 2020-04-28 | 吉利汽车研究院（宁波）有限公司 | Battery pack arrangement system and vehicle |
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