CN208665111U - A kind of micro- novel vehicle controller drive module of pure electric vehicle - Google Patents
A kind of micro- novel vehicle controller drive module of pure electric vehicle Download PDFInfo
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- CN208665111U CN208665111U CN201820923726.6U CN201820923726U CN208665111U CN 208665111 U CN208665111 U CN 208665111U CN 201820923726 U CN201820923726 U CN 201820923726U CN 208665111 U CN208665111 U CN 208665111U
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Abstract
The utility model belongs to drive area, and in particular to a kind of pure electric vehicle micro- novel vehicle controller drive module.The utility model in order to solve the problems, such as it is existing it is at high cost, loss is big and sampling deviation is larger, propose a kind of low cost, low-loss and the micro- novel vehicle controller drive module of the lesser pure electric vehicle of sampling deviation.Technical approach used by the utility model is a kind of micro- novel vehicle controller drive module of pure electric vehicle, including power supply and shell, further includes: control panel is welded with driving plate, is electrically connected to a power source；Driving plate, with shell twist-on；Driver is welded with driving plate；Driving plate includes: low voltage connector, is welded with low-voltage signal routing layer；High-voltage signal routing layer is welded with driver；Low-voltage signal routing layer, it is Nian Jie with high-voltage signal routing layer.Preferably, the driver primary drive part is IGBT.
Description
Technical field
The utility model belongs to drive area, and in particular to a kind of pure electric vehicle micro- novel vehicle controller drive module.
Background technique
With the consumption of the non-renewable resources such as petroleum and the becoming increasingly conspicuous of environmental problem, electric power is utilized to carry out driven by energy
Vehicle it is increasing.Micro- vehicle quantity is increasing in market, national relevant laws and regulations are perfect, and the continuation of the journey of the micro- vehicle of pure electric vehicle is gone through
Cheng Tigao, driving power raising promote the micro- vehicle of pure electric vehicle also to turn to 300V by lower voltages modes such as traditional 96V or 144V
Above high pressure mode.The mode no longer security needs that power cathode in the case of original lower voltage is connected directly with vehicle body
Isolation, new driving method need to use high_voltage isolation mode.
The micro- car owner's stream of pure electric vehicle is still that the mode of 100V cell voltage or so is in the majority currently on the market, motor driven side
Formula mainly uses half bridge chip using non-isolated mode altogether, driving chip, and power conversion module is with the middle pressure metal-oxide-semiconductor of low cost
Based on parallel way.Driving circuit median generatrix filter capacitor is used using common multiple in parallel, the metal-oxide-semiconductor parallel connections of alminium electrolytic condenser
Aluminum substrate radiates.
Cell voltage in the micro- vehicle of existing majority pure electric vehicle is lower, therefore can be designed using metal-oxide-semiconductor, but middle pressure
The size of current of metal-oxide-semiconductor, can only more metal-oxide-semiconductor parallel connections increase overcurrent capabilities by device limit value.The power of power conversion module turns
Changing loss caused by efficiency will cause device heating, and the maximum risk of multitube parallel is exactly that electric current flows and (flows through each parallel transistor
The size of current of son is identical or approximate)；Cannot stream will result in particular device calorific value it is bigger than normal, accelerate device aging lose
Effect, and then form the failure effect of positive feedback.Failure, this quasi-controller caused by reduce thus would generally select larger drop volume
It is designed (theory needs the satiable electric current of 3 metal-oxide-semiconductors to select 5 parallel connections), brings the rising of cost and volume, which
Power ascension bottleneck it is obvious.
Without individual ground connecting device, the reference ground of low-voltage control signal in traditional high_voltage isolation driving method
It is connected in such a way that connector harness connects with control panel, control panel signal ground PCBA board passes through fixed spiral shell in a manner of threaded hole
Silk is connected with supporting element or shell.The control signal ground of driving plate is influenced by entire driving plate operating current size, with reality
Pressure difference can be generated to housing reference, sampling is caused deviation occur.
Utility model content
The utility model in order to solve the problems, such as it is above-mentioned it is at high cost, loss is big and sampling deviation is larger, propose
A kind of low cost, low-loss and the lesser pure electric vehicle of sampling deviation micro- novel vehicle controller drive module.
To achieve the goals above, technical approach used by the utility model is a kind of micro- novel vehicle control of pure electric vehicle
Device drive module processed, including power supply and shell, further includes: control panel is welded with driving plate, is electrically connected to a power source；Driving plate, with
Shell twist-on；Driver is welded with driving plate；Driving plate includes: low voltage connector, is welded with low-voltage signal routing layer；High pressure
Signal lead layer is welded with driver；Low-voltage signal routing layer, it is Nian Jie with high-voltage signal routing layer.
Preferably, the driver primary drive part is IGBT.
Preferably, the driving plate is 6 layers of pcb board, respectively L1, L2, L3, L4, L5 and L6, wherein L1, L2 and
L3 is low-voltage signal routing layer, and L4, L5 and L6 are high-voltage signal routing layer；It is insulation glue-line between L3 and L4.
Preferably, the low-voltage signal routing layer includes cabling and ground level paving copper.
Preferably, the ground level paving copper is annular floor file, except the region that HV Terminal surrounds, ring is formed
Shape floor file, the increase ground level paving copper face product as big as possible while guaranteeing high-low pressure insulation, to improve the anti-interference of signal
Ability.
Preferably, the low voltage connector is mounted on except the region of HV Terminal encirclement, with low pressure restricting the number cabling
Layer welding.
The utility model has the beneficial effects that pure electric vehicle micro- vehicle uses high voltage control mode in (1) the utility model, compare
Low pressure mode use isolation drive is more safe and reliable, under Same Efficieney demand dynamic wire harness line footpath can choose more carefully with reduce at
Originally, the driving method, which can be expanded, supports the design of higher power range, reduces controller volume.(2) driving plate in the utility model
The device that is directly grounded design the reliable reference potential that can guarantee signal acquisition, avoid thus bring sampling error, it is practical to try
The sampling error of 20V can be reduced only for battery voltage sampling by testing this (for 360V sampling).(3) the utility model middle ring
Capable low-voltage signal floor file most can limit using existing space increase ground level, can preferably inhibit High-frequency Interference；Just
On the one hand the PCB layout of pressure layering is conducive to insulating Design, on the other hand can reduce the coupling of high-low pressure signal to a certain extent.
Detailed description of the invention
Fig. 1: drive circuit schematic diagram
Fig. 2: the relation schematic diagram of driving plate, control panel and IGBT
Fig. 3: driving plate layered structure schematic diagram.
Specific embodiment
Embodiment
A kind of micro- novel vehicle controller drive module of pure electric vehicle, including power supply and shell, further includes: control panel, with drive
Movable plate welding, is electrically connected to a power source；Driving plate, with shell twist-on；Driver is welded with driving plate；Driving plate includes: that low pressure connects
Device is connect, is welded with low-voltage signal routing layer；High-voltage signal routing layer is welded with driver；Low-voltage signal routing layer is believed with high pressure
Number routing layer bonding.
The driver primary drive part is IGBT.
The driving plate is 6 layers of pcb board, respectively L1, L2, L3, L4, L5 and L6, and wherein L1, L2 and L3 are low pressure letter
Number routing layer, L4, L5 and L6 are high-voltage signal routing layer；It is insulation glue-line between L3 and L4.
The low-voltage signal routing layer includes cabling and ground level paving copper.
The ground level paving copper is annular floor file, except the region that HV Terminal surrounds, forms annular floor file,
Guarantee increase ground level paving copper face product as big as possible while high-low pressure insulation, to improve the anti-interference ability of signal.
The low voltage connector is mounted on except the region of HV Terminal encirclement, is welded with low pressure restricting the number routing layer.
The micro- vehicle of pure electric vehicle uses high voltage control mode in the utility model, uses isolation drive more compared to mesolow mode
Securely and reliably, under Same Efficieney demand dynamic wire harness line footpath can choose more carefully to reduce cost, the driving method can expand support
The design of higher power range reduces controller volume.The device design that is directly grounded of driving plate can guarantee letter in the utility model
The reliable reference potential of number acquisition, avoids thus bring sampling error, this in actual tests is only for battery voltage sampling
The sampling error of 20V can be reduced (for 360V sampling).In the utility model go in ring low-voltage signal floor file most can limit benefit
Increase ground level with existing space, can preferably inhibit High-frequency Interference；The PCB layout of high-low pressure layering, is on the one hand conducive to exhausted
On the other hand edge design can reduce the coupling of high-low pressure signal to a certain extent.
Its electric machine controller of the micro- vehicle of pure electric vehicle carries out power conversion using the IGBT of 650V/300A in the utility model, single
One module substitutes traditional multi-parallel MOS mode, and driving plate uses high_voltage isolation driving method, drives core using dedicated IGBT
Piece carries out signal isolation driving, and driving method includes the acquisition process of IGBT temperature acquisition and DC voltage in the utility model,
For solve as reference earth potential it is different caused by sampling deviation, driving structure carries out special-shaped design by the utility model, will be with
The low voltage connector of control panel part connection moves on to except the region of IGBT HV Terminal encirclement.Fixation hole on the left of low voltage connector
PCB internal layer is directly connect with paving copper, this fixation hole is directly connect with shell in cabinet by bolt, can be considered driving plate
For shell with reference to ground；Guarantee that the sampled signal of driving plate and control panel is based on same reference potential, reduces signal acquisition error.
In the controller driving plate PCB design of the micro- vehicle of the utility model pure electric vehicle, low-voltage signal is guaranteeing height with reference to the annular floor file in ground
Increase ground level paving copper face product as big as possible while pressure insulation, to improve the anti-interference ability of signal.The utility model drives
Flowing mode PCB design uses 6 laminates, and L1-L2-L3 carries out low-voltage signal cabling and paving copper design, L4-L5-L6 carry out high pressure letter
Be designed to number cabling and high voltage power supply, lower right figure show L5 floor high voltage power supply shakedown copper, carried out between L3 and L4 layers
Reinforce insulating Design, high-low pressure signal is avoided to carry out coupled interference in same layer, improves signal reliability.
Claims (6)
1. a kind of micro- novel vehicle controller drive module of pure electric vehicle, including power supply and shell, which is characterized in that further include:
Control panel is welded with driving plate, is electrically connected to a power source；
Driving plate, with shell twist-on；
Driver is welded with driving plate；
Driving plate includes:
Low voltage connector is welded with low-voltage signal routing layer；
High-voltage signal routing layer is welded with driver；
Low-voltage signal routing layer, it is Nian Jie with high-voltage signal routing layer.
2. the micro- novel vehicle controller drive module of a kind of pure electric vehicle according to claim 1, which is characterized in that described
Driver primary drive part is IGBT.
3. the micro- novel vehicle controller drive module of a kind of pure electric vehicle according to claim 1, which is characterized in that described
Driving plate is 6 layers of pcb board, respectively L1, L2, L3, L4, L5 and L6, and wherein L1, L2 and L3 are low-voltage signal routing layer, L4, L5
It is high-voltage signal routing layer with L6；It is insulation glue-line between L3 and L4.
4. the micro- novel vehicle controller drive module of a kind of pure electric vehicle according to claim 3, which is characterized in that described
Low-voltage signal routing layer includes cabling and ground level paving copper.
5. the micro- novel vehicle controller drive module of a kind of pure electric vehicle according to claim 4, which is characterized in that described
It is annular floor file that ground level, which spreads copper, except the region that HV Terminal surrounds, forms annular floor file, is guaranteeing high-low pressure insulation
While as big as possible increase ground level paving copper face product, to improve the anti-interference ability of signal.
6. the micro- novel vehicle controller drive module of a kind of pure electric vehicle according to claim 1, which is characterized in that described
Low voltage connector is mounted on except the region of HV Terminal encirclement, is welded with low pressure restricting the number routing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923726.6U CN208665111U (en) | 2018-06-14 | 2018-06-14 | A kind of micro- novel vehicle controller drive module of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923726.6U CN208665111U (en) | 2018-06-14 | 2018-06-14 | A kind of micro- novel vehicle controller drive module of pure electric vehicle |
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| CN208665111U true CN208665111U (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497857A (en) * | 2022-01-29 | 2022-05-13 | 中船黄埔文冲船舶有限公司 | Power battery system installation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497857A (en) * | 2022-01-29 | 2022-05-13 | 中船黄埔文冲船舶有限公司 | Power battery system installation process |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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