CN209756815U - Range extending system for pure electric vehicle - Google Patents
Range extending system for pure electric vehicle Download PDFInfo
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- CN209756815U CN209756815U CN201920649421.5U CN201920649421U CN209756815U CN 209756815 U CN209756815 U CN 209756815U CN 201920649421 U CN201920649421 U CN 201920649421U CN 209756815 U CN209756815 U CN 209756815U
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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
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to an electric motor car automatic control technical field especially relates to a pure electric vehicle is with increasing journey system, including pure electric drive system, first increase journey system and second increase journey ware system; the pure electric drive system comprises a battery, a drive motor controller and a drive motor, wherein the drive motor controller is connected with the drive motor; the first range extender comprises a first generator controller and a first generator; the second range extender includes a second generator controller and a second generator. The extended range system for the pure electric vehicle reduces the load energy consumption in the charging process of the electric vehicle, and improves the charging efficiency and the cruising ability of the electric vehicle; when the battery power of the electric vehicle is consumed or the high-voltage system breaks down, the electric vehicle can be charged by the range extender without stopping, and the electric vehicle can return to a factory by a trip without waiting for road rescue, so that the electric vehicle is more convenient and safer.
Description
Technical Field
the utility model relates to an electric motor car automatic control technical field especially relates to a pure electric motor car is with increasing form system.
Background
The new energy automobile is formed by three systems of a pure electric vehicle, a hybrid electric vehicle and a hydrogen fuel cell electric vehicle, namely the field of electric vehicles. The battery technology of the pure electric vehicle is bottleneck, and the influence of urban road working conditions makes the endurance mileage of the pure electric vehicle shorter, so that the development of the pure electric vehicle is greatly restricted.
With the continuous development of new energy technology, medium-sized commercial vehicles driven by pure electricity are more and more. The multifunctional use and the large number of the medium-sized commercial vehicles make charging of the pure electric medium-sized commercial vehicles a great challenge. Many medium-sized commercial vehicles require a long-term high-speed driving, and require a large driving range, but the capacity of the battery is always very limited due to dual limitations of space and energy. After the capacity of the battery is limited, the driving range is limited, so that the pure electric middle-sized commercial vehicle cannot meet the functional requirements of all the medium-sized commercial vehicles. The large quantity of the pure electric medium-sized commercial vehicles cannot meet the charging requirement of all medium-sized commercial vehicles, and if a quick charging mode is adopted, the service life of the battery is greatly prolonged. The medium-sized commercial vehicle has wide application, and if a high-voltage system for commercial use in outdoor pure electric vehicles fails, timely emergency first aid cannot be obtained.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an increase form system for pure electric vehicle easy to control and strong in cruising ability is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a range extending system for a pure electric vehicle comprises a pure electric driving system, a first range extending system and a second range extending system;
The pure electric drive system comprises a battery, a drive motor controller and a drive motor, wherein the drive motor controller is connected with the drive motor;
the first range extender comprises a first generator controller and a first generator, and the first generator controller is connected with the first generator;
The second range extender comprises a second generator controller and a second generator, and the second generator controller is connected with the second generator;
The battery is respectively connected with the driving motor controller, the first generator controller and the second generator controller;
The first generator and the second generator are connected in parallel and then connected with the battery.
In alternative embodiments, the battery is a power type battery or an energy type battery.
In an optional embodiment, the power of the first generator and the power of the second generator are both larger than the power required by the full electric vehicle at the highest vehicle speed.
in an optional embodiment, the extended range system for the pure electric vehicle further comprises a driving motor monitoring assembly, wherein the driving motor monitoring assembly comprises a signal attenuation isolation conversion unit, an analog-to-digital conversion unit and a signal processing unit which are sequentially connected, the signal attenuation isolation conversion unit is connected with the driving motor, and the signal processing unit is connected with a driving motor controller.
In an optional embodiment, the extended range system for the pure electric vehicle further comprises a PC terminal, and the PC terminal is connected with the signal processing unit.
in an optional embodiment, the range extending system for the pure electric vehicle further comprises a power control assembly, the power control assembly comprises a single chip microcomputer processing unit and an excitation power control output unit, the single chip microcomputer is respectively connected with the signal attenuation isolation conversion unit and the analog-to-digital conversion unit, and the excitation power control output unit is respectively connected with the analog-to-digital conversion unit and the driving motor controller.
in an alternative embodiment, a first circuit breaker is provided between the first generator and the battery.
In an alternative embodiment, a second circuit breaker is provided between the second generator and the battery.
In an optional embodiment, the extended range system for the pure electric vehicle further comprises a heat dissipation assembly connected with the battery and the driving motor respectively.
The beneficial effects of the utility model reside in that: the utility model provides a pure electric vehicle is with increasing form system, including pure electric drive system, first increase the range system and the second increases the range ware system, connect the first generator and the coaxial coupling of drive motor after the second generator connects in parallel, adopt the mode that two independent generators connect in parallel and supply power to the battery, the power supply efficiency is higher, the load energy consumption is lower; and the two independent generators are switched to independently supply power to the battery, so that the load of the generators can be reduced, the energy consumption can be reduced and the cruising ability of the electric vehicle can be improved on the premise of ensuring the charging efficiency. The extended range system for the pure electric vehicle reduces the load energy consumption in the charging process of the electric vehicle, and improves the charging efficiency and the cruising ability of the electric vehicle; when the battery power of the electric vehicle is consumed or the high-voltage system breaks down, the electric vehicle can be charged by the range extender without stopping, and the electric vehicle can return to a factory by a trip without waiting for road rescue, so that the electric vehicle is more convenient and safer.
drawings
Fig. 1 is a schematic structural diagram of a range extending system for a pure electric vehicle according to an embodiment of the present invention;
description of reference numerals:
1-pure electric drive system; 11-a battery; 12-a drive motor controller; 13-a drive motor;
2-a first range extender system; 21-a first generator controller; 22-a first generator;
3-a second range extender system; 31-a first generator controller; 32-a first generator;
4-driving the motor monitoring assembly; 41-a signal attenuation isolation conversion unit; 42-an analog-to-digital conversion unit; 43-a signal processing unit;
5-a power control component; 51-a singlechip processing unit; and 52, an excitation power control output unit.
Detailed Description
in order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the mode that two independent generators are connected in parallel to supply power to the battery is adopted, so that the power supply efficiency is higher, and the load energy consumption is lower; the two independent generators are switched to independently supply power to the battery, so that the load of the generators can be reduced, the energy consumption can be reduced and the cruising ability of the electric vehicle can be improved on the premise of ensuring the charging efficiency.
referring to fig. 1, the utility model discloses a range extending system for pure electric vehicle, which includes a pure electric driving system, a first range extending system and a second range extending system;
The pure electric drive system comprises a battery, a drive motor controller and a drive motor, wherein the drive motor controller is connected with the drive motor;
The first range extender comprises a first generator controller and a first generator, and the first generator controller is connected with the first generator;
The second range extender comprises a second generator controller and a second generator, and the second generator controller is connected with the second generator;
the battery is respectively connected with the driving motor controller, the first generator controller and the second generator controller;
The first generator and the second generator are connected in parallel and then are connected with a battery;
When the residual capacity of the battery is lower than 35%, the first generator and the second generator are both started and respectively supply power to the battery;
When the remaining power of the battery is higher than 35% and lower than 50%, the first generator supplies power to the battery, and the second generator is shut down;
when the remaining power of the battery is higher than 50% and lower than 90%, the second generator supplies power to the battery, and the first generator is shut down;
When the remaining power of the battery is higher than 90%, the first generator and the second generator are both shut down.
From the above description, the beneficial effects of the present invention are: in order to solve the problems that the conventional medium and small pure electric vehicles have limited cruising ability and cannot be charged in time, the utility model adopts the mode that the first generator and the second generator are connected in parallel and then are coaxially connected with the driving motor, and adopts the mode that two independent generators are connected in parallel to supply power to the battery, so that the power supply efficiency is higher, and the load energy consumption is lower; and the two independent generators are switched to independently supply power to the battery, so that the load of the generators can be reduced, the energy consumption can be reduced and the cruising ability of the electric vehicle can be improved on the premise of ensuring the charging efficiency. The two generator controllers and the driving motor controller adopt a common bus design and are connected with the battery in parallel at the same time, so that the purpose of charging without stopping the machine is achieved. The generator controller and the driving motor controller respectively control the generator and the driving motor to realize starting and stopping, power limitation and the like.
The control process is as follows: when the residual electric quantity of the battery is lower than 35%, the first generator controller and the second generator controller respectively control the first generator and the second generator to start and operate, and meanwhile, the battery is supplied with power; when the residual electric quantity of the battery is higher than 35% and lower than 50%, the first generator controller controls the first generator to supply power to the battery, and the second generator controller controls the second generator to stop; when the residual electric quantity of the battery is higher than 50% and lower than 90%, the second generator controller controls the second generator to supply power to the battery, and the first generator controller controls the first generator to stop.
furthermore, power sources of the two range extenders can be designed independently according to configuration and application requirements of the electric vehicle, and fuel oil power generation, gas power generation and the like can be adopted, so that the electric vehicle can flexibly supplement energy.
Further, the battery is a power type battery or an energy type battery.
from the above description, if the capacity of the loaded battery is small, the power type battery can be selected, and the service life of the battery can be guaranteed; if the capacity of the loaded battery is large, the energy type battery can be selected, so that the cost of the battery can be reduced, and the charging and discharging requirements of the whole vehicle can be met.
Furthermore, the power of the first generator and the power of the second generator are both larger than the power required by the highest speed of the pure electric vehicle.
According to the above description, the design can ensure that the battery of the whole vehicle cannot be in a power shortage state after the two range extenders generate power simultaneously or respectively under any working condition.
Further, pure electric motor car is with increasing form system still includes driving motor monitoring assembly, driving motor monitoring assembly keeps apart converting unit, analog-to-digital conversion unit and signal processing unit including the signal attenuation that connects gradually, converting unit and driving motor connection are kept apart in the signal attenuation, signal processing unit and driving motor controller are connected.
As can be seen from the above description, the driving motor monitoring assembly realizes signal acquisition, signal conversion, signal processing and signal transmission through the units, thereby realizing the detection of the operating parameters of the driving motor.
Furthermore, the extended range system for the pure electric vehicle further comprises a PC end, and the PC end is connected with the signal processing unit.
From the above description, the PC is used to display the above parameters, so as to facilitate the testing and adjustment of the driving motor and the direct reading of the monitoring data by the user.
furthermore, the range extending system for the pure electric vehicle further comprises a power control assembly, the power control assembly comprises a single chip microcomputer processing unit and an excitation power control output unit, the single chip microcomputer is respectively connected with the signal attenuation isolation conversion unit and the analog-to-digital conversion unit, and the excitation power control output unit is respectively connected with the analog-to-digital conversion unit and the driving motor controller.
as can be seen from the above description, the single chip processing unit collects the voltage and current signals of the driving motor, calculates the phase difference between the voltage and the current, outputs the voltage signal and controls the voltage regulator, and adjusts the excitation power of the load generator by using the voltage regulator to realize power control.
Furthermore, a first circuit breaker is arranged between the first generator and the battery.
further, a second circuit breaker is arranged between the second generator and the battery.
From the above description, according to the different battery operating conditions, the opening and closing of the first circuit breaker and the second circuit breaker are controlled, and different battery charging modes are realized.
furthermore, pure electric vehicle is with increasing form system still includes the radiator unit who is connected with battery and driving motor respectively.
from the above description, the heat dissipation assembly is used for dissipating heat of the battery and the driving motor, so that the safety of the device is improved, and the cruising ability of the electric vehicle is ensured.
Referring to fig. 1, a first embodiment of the present invention is: a range extending system for a pure electric vehicle comprises a pure electric driving system 1, a first range extender system 2 and a second range extender system 3;
The pure electric drive system 1 comprises a battery 11, a drive motor controller 12 and a drive motor 13, wherein the drive motor controller 12 is connected with the drive motor 13;
The first range extender comprises a first generator controller 21 and a first generator 22, and the first generator controller 21 is connected with the first generator 22;
The second range extender comprises a second generator controller 31 and a second generator 32, and the second generator controller 31 and the second generator 32 are connected;
the battery 11 is respectively connected with the driving motor controller 12, the first generator controller 21 and the second generator controller 31;
The first generator 22 and the second generator 32 are connected in parallel and then connected with the battery 11;
when the residual capacity of the battery 11 is lower than 35%, the first generator 22 and the second generator 32 are both started and respectively supply power to the battery 11;
when the remaining power of the battery 11 is higher than 35% and lower than 50%, the first generator 22 supplies power to the battery 11, and the second generator 32 is stopped;
When the remaining power of the battery 11 is higher than 50% and lower than 90%, the second generator 32 supplies power to the battery 11, and the first generator 22 is stopped;
when the remaining power of the battery 11 is higher than 90%, both the first generator 22 and the second generator 32 are shut down.
Referring to fig. 1, a second embodiment of the present invention is: a range extending system for a pure electric vehicle comprises a pure electric driving system 1, a first range extender system 2 and a second range extender system 3; the pure electric drive system 1 comprises a battery 11, a drive motor controller 12 and a drive motor 13, wherein the drive motor controller 12 is connected with the drive motor 13; the first range extender comprises a first generator controller 21 and a first generator 22, and the first generator controller 21 is connected with the first generator 22; the second range extender comprises a second generator controller 31 and a second generator 32, and the second generator controller 31 and the second generator 32 are connected; the battery 11 is respectively connected with the driving motor controller 12, the first generator controller 21 and the second generator controller 31; the first generator 22 and the second generator 32 are connected in parallel and then connected with the battery 11;
A first circuit breaker is arranged between the first generator 22 and the battery 11. A second circuit breaker is arranged between the second generator 32 and the battery 11. The first circuit breaker is connected to a first generator controller 21. The second circuit breaker is connected to a second generator controller 31. When the residual capacity of the battery 11 is lower than 35%, the first generator 22 and the second generator 32 are both started and respectively supply power to the battery 11; when the remaining power of the battery 11 is higher than 35% and lower than 50%, the first generator 22 supplies power to the battery 11, and the second generator 32 is stopped; when the remaining power of the battery 11 is higher than 50% and lower than 90%, the second generator 32 supplies power to the battery 11, and the first generator 22 is stopped; when the remaining power of the battery 11 is higher than 90%, both the first generator 22 and the second generator 32 are shut down.
The battery 11 is a power type battery 11. The power of the first generator 22 and the power of the second generator 32 exceed 10% -15% of the power required by the highest vehicle speed of the pure electric vehicle. Pure electric vehicle is with increasing form system still includes driving motor monitoring subassembly 4, driving motor monitoring subassembly 4 is including the signal attenuation isolation converting unit 41, analog-to-digital conversion unit 42 and the signal processing unit 43 that connect gradually, signal attenuation isolation converting unit 41 and driving motor 13 are connected, signal processing unit 43 and driving motor controller 12 are connected. The extended range system for the pure electric vehicle further comprises a PC end, and the PC end is connected with the signal processing unit 43. The extended range system for the pure electric vehicle further comprises a power control assembly 5, wherein the power control assembly 5 comprises a single chip microcomputer processing unit 51 and an excitation power control output unit 52, the single chip microcomputer is respectively connected with the signal attenuation isolation conversion unit 41 and the analog-to-digital conversion unit 42, and the excitation power control output unit 52 is respectively connected with the analog-to-digital conversion unit 42 and the driving motor controller 12. The extended range system for the pure electric vehicle further comprises a heat dissipation assembly connected with the battery 11 and the driving motor 13 respectively.
To sum up, the utility model provides a pure electric vehicle is with increasing form system, including pure electric drive system, first increase form system and second increase form ware system, with first generator and second generator after connecting in parallel with driving motor coaxial coupling, adopt the mode that two independent generators connect in parallel to battery powered, power supply efficiency is higher, the load energy consumption is lower; and the two independent generators are switched to independently supply power to the battery, so that the load of the generators can be reduced, the energy consumption can be reduced and the cruising ability of the electric vehicle can be improved on the premise of ensuring the charging efficiency. The extended range system for the pure electric vehicle reduces the load energy consumption in the charging process of the electric vehicle, and improves the charging efficiency and the cruising ability of the electric vehicle; when the battery power of the electric vehicle is consumed or the high-voltage system breaks down, the electric vehicle can be charged by the range extender without stopping, and the electric vehicle can return to a factory by a trip without waiting for road rescue, so that the electric vehicle is more convenient and safer.
the above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. A range extending system for a pure electric vehicle is characterized by comprising a pure electric driving system, a first range extending system and a second range extending system;
The pure electric drive system comprises a battery, a drive motor controller and a drive motor, wherein the drive motor controller is connected with the drive motor;
the first range extender comprises a first generator controller and a first generator, and the first generator controller is connected with the first generator;
The second range extender comprises a second generator controller and a second generator, and the second generator controller is connected with the second generator;
the battery is respectively connected with the driving motor controller, the first generator controller and the second generator controller;
The first generator and the second generator are connected in parallel and then connected with the battery.
2. The range extending system for a pure electric vehicle according to claim 1, wherein the battery is a power type battery or an energy type battery.
3. The range extending system for the pure electric vehicle according to claim 1, wherein the power of the first generator and the power of the second generator are both greater than the power required by the pure electric vehicle at the highest vehicle speed.
4. The range extending system for the pure electric vehicle according to claim 1, further comprising a driving motor monitoring component, wherein the driving motor monitoring component comprises a signal attenuation isolation conversion unit, an analog-to-digital conversion unit and a signal processing unit which are sequentially connected, the signal attenuation isolation conversion unit is connected with the driving motor, and the signal processing unit is connected with a driving motor controller.
5. the range extending system for the pure electric vehicle according to claim 4, further comprising a PC terminal, wherein the PC terminal is connected with the signal processing unit.
6. the range extending system for the pure electric vehicle according to claim 4, further comprising a power control assembly, wherein the power control assembly comprises a single chip microcomputer processing unit and an excitation power control output unit, the single chip microcomputer is respectively connected with the signal attenuation isolation conversion unit and the analog-to-digital conversion unit, and the excitation power control output unit is respectively connected with the analog-to-digital conversion unit and the driving motor controller.
7. the range extending system for the pure electric vehicle according to claim 1, wherein a first circuit breaker is arranged between the first generator and the battery.
8. the range extending system for the pure electric vehicle according to claim 1, wherein a second circuit breaker is arranged between the second generator and the battery.
9. The range extending system for the pure electric vehicle according to claim 1, further comprising a heat dissipation assembly connected to the battery and the driving motor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649421.5U CN209756815U (en) | 2019-05-08 | 2019-05-08 | Range extending system for pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649421.5U CN209756815U (en) | 2019-05-08 | 2019-05-08 | Range extending system for pure electric vehicle |
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| CN209756815U true CN209756815U (en) | 2019-12-10 |
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| CN201920649421.5U Active CN209756815U (en) | 2019-05-08 | 2019-05-08 | Range extending system for pure electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969000A (en) * | 2019-05-08 | 2019-07-05 | 厦门市福工动力技术有限公司 | A kind of pure electric vehicle extended-range system |
| CN113682295A (en) * | 2021-08-25 | 2021-11-23 | 一汽解放汽车有限公司 | Automobile energy distribution optimization method and combined power range-extending automobile |
-
2019
- 2019-05-08 CN CN201920649421.5U patent/CN209756815U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969000A (en) * | 2019-05-08 | 2019-07-05 | 厦门市福工动力技术有限公司 | A kind of pure electric vehicle extended-range system |
| CN109969000B (en) * | 2019-05-08 | 2024-04-02 | 厦门市福工动力技术有限公司 | Range-extending system for pure electric vehicle |
| CN113682295A (en) * | 2021-08-25 | 2021-11-23 | 一汽解放汽车有限公司 | Automobile energy distribution optimization method and combined power range-extending automobile |
| CN113682295B (en) * | 2021-08-25 | 2024-04-09 | 一汽解放汽车有限公司 | Automobile energy distribution optimization method and combined power range-extending automobile |
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