CN109572446A - Electric vehicle multifunctional controller and its control method - Google Patents
Electric vehicle multifunctional controller and its control method Download PDFInfo
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- CN109572446A CN109572446A CN201811349362.6A CN201811349362A CN109572446A CN 109572446 A CN109572446 A CN 109572446A CN 201811349362 A CN201811349362 A CN 201811349362A CN 109572446 A CN109572446 A CN 109572446A
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- port
- relay
- negative terminal
- battery
- mcu
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Classifications
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20872—Liquid coolant without phase change
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Electric vehicle multifunctional controller and its control method, controller include shell and MCU, VCU, DC/DC power module being set in the housing, DC/AC power module, heat-dissipating cavity, are communicated between MCU, VCU, BMS；Surface of shell distribution is provided with the positive and negative port of battery, the main port drive UVW, the positive port DC-DC, DC-DC negative terminal mouth, water inlet, water outlet, air-conditioning port, electric heating wind port, electric heating port, fast charge port, rotation change port, signal port；The application occupies little space, and integrated level is high, and heat management performance is brilliant, can increase air blast cooling radiator in heat-dissipating cavity, solve the problems, such as arrangement and wiring, ensure that science power supply and management of the battery to important electric elements.
Description
Technical field
This application involves field of vehicle control, and in particular to a kind of electric vehicle multifunctional controller and its control method.
Background technique
The controller dispersion of the main functional components such as current electric vehicle electric heating wind, charging, air-conditioning, signal communication integrate matter
Difference brings very big difficulty to installation site arrangement, insulation, the management of electromagnetic compatibility, electric safety, and maintenance is inconvenient, searches event
The barrier reason time is long, while the heat that the operation of controller generates cannot scatter and disappear in time, is easy to influence the workability of controller
Can, the multifunctional controller and its control method convenient for heat dissipation are proposed based on this.
Summary of the invention
It occupies little space in view of the above-mentioned problems, the application provides one kind, integrated level is high, the electric vehicle of heat management performance brilliance
Multifunctional controller and its control method.
To solve the above problems, the technical solution that the application takes are as follows: electric vehicle multifunctional controller, including shell and
MCU, VCU, DC/DC power module, the DC/AC power module, heat-dissipating cavity being set in the housing, carry out between MCU, VCU, BMS
Communication；Surface of shell distribution be provided with battery positive mouth, battery negative terminal mouth, the main port drives UVW, the positive port DC-DC, DC-DC bear
Port, water inlet, water outlet, air-conditioning port, electric heating wind port, electric heating port, fast charge port, rotation become port, signal port；
Battery positive mouth is connected to MCU power positive end through manual maintenance switch, third relay, battery negative terminal mouth through the 5th after
Electric appliance is connected to MCU power supply negative terminal；MCU is connected to the main port drive UVW through DC/AC power module, and the main port drive UVW is connected to main drive
Motor；MCU is connected to battery through DC/DC power module；Battery positive mouth is through manual maintenance switch, battery negative terminal mouth through the 5th
Relay is connected to DC/DC power module, and DC/DC power module connects battery through the positive port DC-DC, DC-DC negative terminal mouth；
Battery positive mouth is connected to fast charge port anode through manual maintenance switch, the second relay, and battery negative terminal mouth is through the 5th
Relay is connected to fast charge port negative terminal；Fast charge port anode is connected to electric heating port anode through the 6th relay, and fast charge port is negative
It is connected to electric heating port negative terminal；
Second relay, third relay, the 5th relay are controlled by BMS；
Battery positive mouth is connected to electric heating wind port anode through manual maintenance switch, the 8th relay, and battery negative terminal mouth is through
Five relays are connected to electric heating wind port negative terminal；
Battery positive mouth is connected to air-conditioning port anode through manual maintenance switch, the 9th relay, and battery negative terminal mouth is through the 5th
Relay is connected to air-conditioning port negative terminal；
Current transformer is in series between 5th relay and MCU power supply negative terminal and current transformer is connected to VCU；8th
Relay, the 9th relay are controlled by VCU.
DC/AC power module provides AC power source for magneto, can be integrated into DC/AC power module in the application
MCU panel；
The positive and negative port of battery is the master control positive and negative anodes of entire controller；
The positive and negative port DC-DC, the variation for entire battery pack voltage；Low-tension supply is provided for vehicle and to low tension
The charging in pond；
Air-conditioning port controls the start and stop of the air-conditioning of vehicle by the 9th relay switch；
Electric heating wind controls the power-up and cutting of the heater of vehicle by the 8th relay；
Electric heating port is connected to the Electric radiant Heating Film in battery, by the control of the 6th relay, meets most preferably filling for battery
Discharge temp demand improves the activity of battery charging and discharging, improves charge efficiency；Fast charge port, by route be set as battery into
Row quick charge.
Signal port is communication port, carries out low voltage communication with VCU, BMS, is communicated between MCU, VCU, BMS；
Rotation becomes port and is connected with main drives electric machine controller, it is main control EXC-P rotation become excitation just, EXC-N revolves change and motivates
Negative, SIN-P sine feedback is just, SIN-N sine feedback is negative, COS-P cosine feedback just, COS-N cosine feedback is negative and sensor
Deng for adjusting main waveform, the revolving speed etc. for driving motor.
Preferably, the cross section of heat-dissipating cavity is C-shaped, upper and lower side be separately connected water inlet, water outlet and MCU, VCU,
DC/DC power module is divided into the upper, middle and lower-ranking of the heat-dissipating cavity.Heat-dissipating cavity integrally uses die casting aluminium technique up and down, close
The closed connection of packing, while the advantage good by aluminium conductivity of heat, conductive performance devise the heat-dissipating cavity that cross section is C-shaped, dissipate
One MCU controller panel of EDS maps (DC/DC is integrated to MCU controller panel), one DC- of downside EDS maps on the upside of hot cavity
DC panel, one VCU controller panel of interbed distribution, centre are the heat-dissipating cavities of cast aluminium, respectively upper and lower side be arranged water inlet,
Water outlet, intake-outlet and external water pump are recycled, and water is directly contacted with heat exchanger plates, by the flow direction of inlet and outlet pipes, most economical,
Directly efficiently take away heat.The heat-dissipating cavity that exchanges heat is in hollow design, can also increase air blast cooling auxiliary heat dissipation.
Preferably, the electric vehicle multifunctional controller further includes buffer circuit, the buffer circuit include: with
First relay of third relay parallel connection, the series arm of first resistor and be connected between MCU power supply positive and negative terminal second
The parallel branch of resistance, first capacitor, the first relay are controlled by BMS.Buffer circuit prevents main drive controller MCU electric current not
Stabilization causes unnecessary accident, prevents transient voltage excessive, causes punch through damage to master controller MCU.
Preferably, insulating monitor is connected between the positive and negative port of battery.
Preferably, manual maintenance switch and electric heating port anode, DC/DC power module, electric heating wind port anode, air-conditioning
Fuse is connected between the anode of port.
Preferably, the shell is equipped with ground connection screw thread, ensures Electrical Safety.
According to the method that above-mentioned electric vehicle multifunctional controller is controlled, include the following steps:
Step 1: VCU and BMS is constantly communicated, closure manual maintenance switch, after VCU publication instruction, BMS control is attracted the
Five relays and the first relay；
Step 2: its detected value is fed back to VCU by current transformer, detect that the 5th relay and the first relay are attracted
After form closed circuit；
Step 3: VCU publication instruction, to BMS and MCU, BMS control is attracted third relay, the first relay of disconnection is formed
Normal power supply route；
Step 4: MCU control DC/DC power module, the work of DC/AC power module, provide low-pressure direct to battery respectively
Galvanic electricity provides alternating current to main drive motor；MCU and VCU is constantly communicated and is controlled the main revolving speed for driving motor, output torque；Main electricity
The second relay of road control, the 6th relay, the 8th relay, the actuation of the 9th relay are broken as fast charge, heating film, electric heating
Wind, air-conditioning provide power transformation power supply.
The utility model has the advantages that the application occupies little space, integrated level is high, and heat management performance is brilliant, can increase in heat-dissipating cavity strong
Air-cooled radiating device processed solves the problems, such as arrangement and wiring, ensure that battery powers to the science of important electric elements
And management.
Detailed description of the invention
Fig. 1 is present invention control line map；
Fig. 2 is heat-dissipating cavity structural schematic diagram；
Fig. 3 is main view of the present invention；
Fig. 4 is rearview of the present invention；
Fig. 5 is left view of the present invention；
1. positive 5. water inlet 6. of port 4.DC-DC negative terminal mouth of the main drive UVW port 3.DC-DC in the positive and negative port 2. of battery
The rotation of 7. air-conditioning port of water outlet, 8. electric heating wind port, 9. electric heating port, 10. fast charge port 11. becomes 12. signal end of port
Mouth 13. is grounded screw threads.
Specific embodiment
Electric vehicle multifunctional controller, including shell and MCU, VCU, DC/DC power module, the DC/ that are set in the housing
AC power supplies module, heat-dissipating cavity, are communicated between MCU, VCU, BMS；As in Figure 3-5, surface of shell distribution is provided with electricity
The positive and negative port 1 in pond, the main port drive UVW 2, the positive port 3 DC-DC, DC-DC negative terminal mouth 4, water inlet 5, water outlet 6, air-conditioning port
7, electric heating wind port 8, electric heating port 9, fast charge port 10, rotation become port 11, signal port 12, ground connection screw thread 13；
As shown in Figure 1, being connected with insulating monitor between the positive and negative port of battery；Battery positive mouth is through manual maintenance switch
MSD, third relay K3 are connected to MCU power positive end, and battery negative terminal mouth is connected to MCU power supply negative terminal through the 5th relay K5；MCU warp
DC/AC power module is connected to the main port drive UVW 2, and the main port drive UVW 2 is connected to main drive motor；MCU is through DC/DC power supply mould
Block is connected to battery；Battery positive mouth is connected to DC/DC through the 5th relay K5 through manual maintenance switch MSD, battery negative terminal mouth
Power module, DC/DC power module connect battery through the positive port DC-DC, DC-DC negative terminal mouth；
Battery positive mouth is connected to 10 anode of fast charge port, battery negative terminal mouth through manual maintenance switch MSD, the second relay K2
10 negative terminal of fast charge port is connected to through the 5th relay K5；10 anode of fast charge port is connected to electric heating port 9 through the 6th relay K6
Anode, 10 negative terminal of fast charge port are connected to 9 negative terminal of electric heating port；
The electric vehicle multifunctional controller further includes buffer circuit, the buffer circuit include: and third after
First relay K1 of electric appliance K3 parallel connection, the series arm of the R1 of first resistor and be connected between MCU power supply positive and negative terminal
The parallel branch of two resistance R2, first capacitor C1.
First relay K1, the second relay K2, third relay K3, the 5th relay K5 are controlled by BMS；
Battery positive mouth is connected to 8 anode of electric heating wind port, battery negative terminal through manual maintenance switch MSD, the 8th relay K8
Mouth is connected to 8 negative terminal of electric heating wind port through the 5th relay K5；
Battery positive mouth is connected to 7 anode of air-conditioning port, battery negative terminal mouth through manual maintenance switch MSD, the 9th relay K9
7 negative terminal of air-conditioning port is connected to through the 5th relay K5；
Current Transmit is in series between 5th relay K5 and MCU power supply negative terminal and Current Transmit is connected to
VCU；8th relay (K8), the 9th relay K9 are controlled by VCU.Manual maintenance switch MSD and 9 anode of electric heating port, DC/
DC power module, 8 anode of electric heating wind port are connected to fuse between 7 anode of air-conditioning port.
As shown in Fig. 2, the cross section of heat-dissipating cavity is C-shaped, upper and lower side be separately connected water inlet 5, water outlet 6 and MCU,
VCU, DC/DC power module are divided into the upper, middle and lower-ranking of the heat-dissipating cavity.
According to the method that the electric vehicle multifunctional controller is controlled, include the following steps:
Step 1: VCU and BMS is constantly communicated, it is closed manual maintenance switch MSD, after VCU publication instruction, BMS control is attracted
5th relay K5 and the first relay K1；
Step 2: its detected value is fed back to VCU by Current Transmit；
Step 3: VCU publication instruction, to BMS and MCU, BMS control is attracted third relay K3, disconnects the first relay
K1 forms normal power supply route；
Step 4: MCU control DC/DC power module, the work of DC/AC power module, provide low-pressure direct to battery respectively
Galvanic electricity provides alternating current to main drive motor；MCU and VCU is communicated and is controlled the main revolving speed for driving motor, output torque；Main circuit control
Make the second relay K2, the 6th relay K6, the 8th relay K8, the 9th relay K9 actuation be broken as fast charge, heating film, electricity
Warm wind, air-conditioning provide power transformation power supply.
Claims (7)
1. electric vehicle multifunctional controller, it is characterised in that: including shell and MCU, VCU, DC/DC power supply being set in the housing
Module, DC/AC power module, heat-dissipating cavity, are communicated between MCU, VCU, BMS；Surface of shell distribution is being provided with battery just
Negative terminal mouth (1), the main port drive UVW (2), the positive port DC-DC (3), DC-DC negative terminal mouth (4), water inlet (5), water outlet (6), sky
Port (7), electric heating wind port (8), electric heating port (9), fast charge port (10), rotation is adjusted to become port (11), signal port (12)；
Battery positive mouth is connected to MCU power positive end, battery negative terminal mouth warp through manual maintenance switch (MSD), third relay (K3)
5th relay (K5) is connected to MCU power supply negative terminal；MCU is connected to the main port drive UVW (2), main drive UVW through DC/AC power module
Port (2) is connected to main drive motor；MCU is connected to battery through DC/DC power module；Battery positive mouth is through manual maintenance switch
(MSD), battery negative terminal mouth is connected to DC/DC power module through the 5th relay (K5), DC/DC power module through the positive port DC-DC,
DC-DC negative terminal mouth connects battery；Battery positive mouth is connected to fast charge end through manual maintenance switch (MSD), the second relay (K2)
Mouth (10) anode, battery negative terminal mouth are connected to fast charge port (10) negative terminal through the 5th relay (K5)；Fast charge port (10) anode warp
6th relay (K6) is connected to electric heating port (9) anode, and fast charge port (10) negative terminal is connected to electric heating port (9) negative terminal；
Second relay (K2), third relay (K3), the 5th relay (K5) are controlled by BMS；Battery positive mouth is tieed up manually
Shield switch (MSD), the 8th relay (K8) are connected to electric heating wind port (8) anode, and battery negative terminal mouth connects through the 5th relay (K5)
To electric heating wind port (8) negative terminal；
Battery positive mouth is connected to air-conditioning port (7) anode, battery negative terminal through manual maintenance switch (MSD), the 9th relay (K9)
Mouth is connected to air-conditioning port (7) negative terminal through the 5th relay (K5)；Electricity is in series between 5th relay (K5) and MCU power supply negative terminal
Current transformer (CT) and current transformer (CT) is connected to VCU；8th relay (K8), the 9th relay (K9) are controlled by VCU.
2. electric vehicle multifunctional controller according to claim 1, it is characterised in that: the cross section of heat-dissipating cavity is in C
Shape, upper and lower side are separately connected water inlet (5), water outlet (6) and MCU, VCU, DC/DC power module and are divided into the heat-dissipating cavity
Upper, middle and lower-ranking.
3. electric vehicle multifunctional controller according to claim 1, it is characterised in that: it further include buffer circuit, it is described
Buffer circuit include: first relay (K1) in parallel with third relay (K3), first resistor (R1) series arm
And it is connected to second resistance (R2), the parallel branch of first capacitor (C1) between MCU power supply positive and negative terminal, the first relay (K1)
It is controlled by BMS.
4. electric vehicle multifunctional controller according to claim 1, it is characterised in that: battery connects between positive and negative port
It is connected to insulating monitor.
5. electric vehicle multifunctional controller according to claim 1, it is characterised in that: manual maintenance switch (MSD) with
Electric heating port (9) anode, DC/DC power module, electric heating wind port (8) anode, be connected between air-conditioning port (7) anode it is molten
Disconnected device.
6. electric vehicle multifunctional controller according to claim 1, it is characterised in that: the shell is equipped with ground connection spiral shell
Line (13).
7. the method that electric vehicle multifunctional controller according to claim 1 is controlled, it is characterised in that including such as
Lower step:
Step 1: VCU and BMS is constantly communicated, closure manual maintenance switch (MSD), after VCU publication instruction, BMS control is attracted the
Five relays (K5) and the first relay (K1)；
Step 2: its detected value is fed back to VCU by current transformer (CT)；
Step 3: VCU publication instruction, to BMS and MCU, BMS control is attracted third relay (K3), disconnects the first relay (K1)
Form normal power supply route；
Step 4: MCU control DC/DC power module, DC/AC power module work, respectively to battery provide low-voltage DC,
Alternating current is provided to main drive motor；MCU and VCU is communicated and is controlled the main revolving speed for driving motor, output torque；Main circuit control second
Relay (K2), the 6th relay (K6), the 8th relay (K8), the 9th relay (K9) actuation be broken as fast charge, heating film,
Electric heating wind, air-conditioning provide power transformation power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349362.6A CN109572446A (en) | 2018-11-12 | 2018-11-12 | Electric vehicle multifunctional controller and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349362.6A CN109572446A (en) | 2018-11-12 | 2018-11-12 | Electric vehicle multifunctional controller and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109572446A true CN109572446A (en) | 2019-04-05 |
Family
ID=65922302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811349362.6A Pending CN109572446A (en) | 2018-11-12 | 2018-11-12 | Electric vehicle multifunctional controller and its control method |
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2018
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| CN105680334A (en) * | 2016-04-05 | 2016-06-15 | 深圳市清友能源技术有限公司 | Integrated box for electromobile high-voltage distribution and DC/DC |
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Application publication date: 20190405 |