CN207398898U - One kind drives charging integrated device based on motor inductances equivalence techniques - Google Patents
One kind drives charging integrated device based on motor inductances equivalence techniques Download PDFInfo
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- CN207398898U CN207398898U CN201721525001.3U CN201721525001U CN207398898U CN 207398898 U CN207398898 U CN 207398898U CN 201721525001 U CN201721525001 U CN 201721525001U CN 207398898 U CN207398898 U CN 207398898U
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- Prior art keywords
- module
- motor
- charging
- convertor
- integrated device
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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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
-
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Charging integrated device is driven based on motor inductances equivalence techniques the utility model discloses one kind,Including battery module,Rectification module,Three-phase voltage increasing converter module comprising switching tube,DC DC converter modules,Control unit module,Charging module,Motor and drive module,The output voltage that wherein DC DC converter modules are adjusted by using PWM mode,And pass through the break-make for the switching tube for controlling DC DC converter modules,So that DC DC converter modules export alternating current,So as to be operated by drive module driving motor,Charging module utilizes the direct current of the rectifier output in rectification module to pass through the equivalent inductor filter of motor stator winding,Reach the value of needs by the shut-off Current Voltage for the switching tube for controlling DC DC converter modules again,Finally battery module is given by DC DC converter modules to charge,Achieve the purpose that charge a battery,The volume of interior space and car in itself is decreased while cost is reduced.
Description
Technical field
The utility model is related to motor driving and charge and discharge electro-technical fields, are specially that one kind is based on motor inductances equivalence techniques
Drive charging integrated device.
Background technology
As atmosphere pollution getting worse and energy crisis are constantly aggravated, countries in the world all adopt various measures reply with
And come various challenges, electric vehicle EV as a kind of new-energy automobile to grow up first, accumulator be restrict its hair
The indices of the key factor battery of exhibition are all not ideal enough in practical applications, also have broader research space；And electric power storage
The charging time in pond and service life are then closely bound up with charging technique, therefore accumulator of electric car charging technique becomes restriction
One of principal element of Development of Electric Vehicles, receives the attention of domestic and international academia and industrial quarters, vehicle-mounted type charging system because
For the simple and convenient first choice for becoming many manufacturers and user of usage, and popularization does not use on a large scale in charging station
Today and industrial quarters and the emphasis of academia's research, but the vehicle-mounted type charging system generally existing cost studied at present
Big inductance that is high, being used in shortcomings, the especially charger such as volume is big, weight is big, power grade is low is not only of high cost most important
Be that volume is big, therefore considerably increase the volume and weight of charger, and plus in the on-board charging system of electric vehicle
Motor, which drives, to charge with accumulator using 2 current transformers, this undoubtedly also increases the volume and weight of electric vehicle, so as to cause
The loss of car in itself increases, but also the max mileage that can travel of electric car reduces, ultimately resulting in electric vehicle can not be with
Internal combustion engine contends with；
In order to solve to drive mould due to the motor in the use of the big inductance of charger and the on-board charging system of electric vehicle
Block is with accumulator charging module to the needs of 2 current transformers, it is proposed that is charged based on the equivalent driving of motor inductances and integrally disguised
It puts, the problem of this device can solve electric vehicle this respect.
The content of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of based on the driving of motor inductances equivalence techniques
Charging integrated device is effectively protected the charged state of accumulator, while larger saving overall structure space.
Technical solution is used by the utility model solves its technical problem：One kind is driven based on motor inductances equivalence techniques
Dynamic charging integrated device, including battery module, rectification module, the three-phase voltage increasing converter module comprising switching tube, DC-DC
Converter module, control unit module, charging module, motor and drive module, power supply accesses rectification module by wave filter, whole
Flow module is connected with three-phase voltage increasing converter module by filter capacitor A, and the electric current flowed out from rectification module enters motor and three
Phase booster converter module, last DC-DC convertor module are connected with battery module, DC-DC convertor module by using
The output voltage that PWM mode is adjusted, and pass through the break-make for the switching tube for controlling the DC-DC convertor module so that DC-DC becomes
Parallel operation module exports alternating current, and so as to be operated by the drive module driving motor, the charging module utilizes rectification module
In rectifier output direct current by the equivalent inductor filter of motor stator winding, then by the way that the DC-DC is controlled to convert
The shut-off of the switching tube of device module causes Current Voltage to reach the value of needs, is finally given by the DC-DC convertor module
Battery module charges.
As a kind of preferred technical solution of the utility model, the drive module shares a set of by switching with charging module
The DC-DC convertor module of pipe composition, and the switching tube has 6.
As a kind of preferred technical solution of the utility model, the three-phase voltage increasing converter module and DC-DC converter
A filter capacitor B is connected between module.
As a kind of preferred technical solution of the utility model, the supply voltage that the charging module uses is 220V/
380V。
As a kind of preferred technical solution of the utility model, the rectification module is thyristor, the DC-DC converter
Using bidirectional DC-DC converter, the motor uses permanent magnet synchronous motor.
As a kind of preferred technical solution of the utility model, described control unit module uses the core of DSP23335 models
Piece.
Compared with prior art, the beneficial effects of the utility model are：The utility model considers electric vehicle Charging
The characteristics of system and drive system do not work at the same time (energy storage when without considering brake), i.e., charging system is not busy when electric vehicle is run
It puts, drive system is stationary when electric vehicle charges, and drive system of electric automobile and charging system is allowed to share a set of three phase transformation
Parallel operation module exports AC power supply machine by the control of DSP28335 during driving and rotates that car is driven to travel；It fills
Since motor is static when electric, the electric current exported by rectifier serves as filter inductance by motor stator winding and is entering
DC-DC module, so as to achieve the purpose that charge a battery, this since motor stator winding serves as inductance, is saved in the process
The use of outer coilloading decreases the volume of interior space and car in itself while reducing cost.
Description of the drawings
Fig. 1 is that the motor inductances equivalence techniques of the utility model drives charging integrated device structure diagram；
Fig. 2 is that the motor inductances equivalence techniques of the utility model drives charging integrated device circuit diagram.
In figure：1- battery modules；2- rectification modules；3- three-phase voltage increasing converter modules；4-DC-DC converter modules；
5- control unit modules；6- charging modules；7- motors；8- drive modules；9- wave filter 10- filter capacitors A；11- filter capacitors
B。
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model rather than to limit the utility model.
Embodiment：
As depicted in figs. 1 and 2, the utility model provides a kind of based on the driving charging integration of motor inductances equivalence techniques
Device, including battery module 1, rectification module 2, three-phase voltage increasing converter module 3, DC-DC convertor module 4, control unit
Module 5, charging module 6, motor 7 and drive module 8, the drive module 8 of the integrated apparatus and charging module 6 share it is a set of by
The converter module 4 of switching tube composition, and the switching tube has 6, power supply accesses rectification module 2, rectification mould by wave filter 9
Block 2 is connected with three-phase voltage increasing converter module 3 by filter capacitor A10, and the electric current flowed out from rectification module 2 enters 7 He of motor
Three-phase voltage increasing converter module 3 connects a filtering between the three-phase voltage increasing converter module 3 and DC-DC convertor module 4
Capacitance B11, last DC-DC convertor module 4 are connected with battery module 1；
During motor driving condition, output voltage that DC-DC convertor module 4 is adjusted by using PWM mode, and pass through control
The break-make of the switching tube of DC-DC convertor module 4 processed so that DC-DC convertor module 4 exports alternating current so as to by driving mould
8 driving motor of block operates, and chip used control unit module 5 is DSP28335, for controlling DC-DC convertor module 4 and three
The voltage output of phase booster converter module 3 causes 7 normal operation of motor and the voltage and current of acquisition is timely handled；
During charging, three-phase electricity or household electric in power grid enter rectification module 2, and then the rectifier in rectification module 2 is defeated
The direct current gone out is by the equivalent inductor filter of motor stator winding, then the switching tube by controlling DC-DC convertor module 4
Shut-off causes Current Voltage to reach the value of needs, finally realizes that battery module 1 charges early period by 4 module of DC-DC converter
High-voltage charge, mid-term constant-voltage charge, later stage small voltage charge so that the charging module 6 of accumulator plays battery good
Charge protection acts on, and when charging is used, and control chip be Freescale single-chip microcomputer, is existed by three-phase voltage increasing converter module 3
Under same PWM mode, the policy control three-phase voltage increasing converter module 3 of phase cross-over control and opening for DC-DC convertor module 4
The make-and-break time of pipe is closed, DC-DC convertor module 4 is controlled using two phase PWM, reaches the control action to Current Voltage, so as to
Realize accumulator high-voltage charge early period, mid-term constant-voltage charge, later stage small voltage charging purpose.
In conclusion the utility model is mainly characterized by：The utility model consider charging system for electric automobile and
The characteristics of drive system does not work at the same time (energy storage when without considering brake), i.e., charging system leaves unused when electric vehicle is run,
Drive system is stationary when electric vehicle charges, and drive system of electric automobile and charging system is allowed to share a set of three-phase inverter
Module exports AC power supply machine by the control of DSP28335 during driving and rotates that car is driven to travel；During charging
Since motor is static, the electric current by rectifier output serves as filter inductance into DC-DC by motor stator winding
Module, so as to achieve the purpose that charge a battery, this since motor stator winding serves as inductance, saves outer power-up in the process
The use of sense decreases the volume of interior space and car in itself while reducing cost.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. one kind drives charging integrated device based on motor inductances equivalence techniques, it is characterised in that：Including battery module
(1), rectification module (2), the three-phase voltage increasing converter module (3) comprising switching tube, DC-DC convertor module (4), control unit
Module (5), charging module (6), motor (7) and drive module (8), power supply accesses rectification module (2) by wave filter (9), whole
Flow module (2) is connected with three-phase voltage increasing converter module (3) by filter capacitor A (10), the electric current flowed out from rectification module (2)
Into motor (7) and three-phase voltage increasing converter module (3), last DC-DC convertor module (4) is connected with battery module (1),
The output voltage that DC-DC convertor module (4) is adjusted by using PWM mode, and pass through and control the DC-DC convertor module
(4) break-make of switching tube so that DC-DC convertor module (4) exports alternating current, so as to be driven by the drive module (8)
Dynamic motor (7) operating, the charging module (6) utilize the direct current of the rectifier output in rectification module (2) to determine by motor
The equivalent inductor filter of sub- winding, then the shut-off electric current electricity of the switching tube by controlling the DC-DC convertor module (4)
Pressure reaches the value of needs, finally gives battery module (1) by the DC-DC convertor module (4) and charges.
2. according to claim 1 a kind of based on motor inductances equivalence techniques driving charging integrated device, feature exists
In：The drive module (8) shares a set of converter module (4) being made of switching tube, and the switch with charging module (6)
Pipe has 6.
3. according to claim 1 a kind of based on motor inductances equivalence techniques driving charging integrated device, feature exists
In：A filter capacitor B (11) is connected between the three-phase voltage increasing converter module (3) and DC-DC convertor module (4).
4. according to claim 1 a kind of based on motor inductances equivalence techniques driving charging integrated device, feature exists
In：The supply voltage that the charging module (6) uses is 220V/380V.
5. according to claim 1 a kind of based on motor inductances equivalence techniques driving charging integrated device, feature exists
In：The rectification module (2) is thyristor, and the DC-DC converter uses bidirectional DC-DC converter, and the motor (7) uses
Permanent magnet synchronous motor.
6. according to claim 1 a kind of based on motor inductances equivalence techniques driving charging integrated device, feature exists
In：Described control unit module (5) uses the chip of DSP23335 models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525001.3U CN207398898U (en) | 2017-11-15 | 2017-11-15 | One kind drives charging integrated device based on motor inductances equivalence techniques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721525001.3U CN207398898U (en) | 2017-11-15 | 2017-11-15 | One kind drives charging integrated device based on motor inductances equivalence techniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398898U true CN207398898U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721525001.3U Expired - Fee Related CN207398898U (en) | 2017-11-15 | 2017-11-15 | One kind drives charging integrated device based on motor inductances equivalence techniques |
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| CN (1) | CN207398898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347901A (en) * | 2018-12-21 | 2020-06-30 | 比亚迪股份有限公司 | Vehicle, charging device and motor control circuit |
-
2017
- 2017-11-15 CN CN201721525001.3U patent/CN207398898U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347901A (en) * | 2018-12-21 | 2020-06-30 | 比亚迪股份有限公司 | Vehicle, charging device and motor control circuit |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20181115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |