CN211374922U - Automobile range extender testing system and automobile - Google Patents
Automobile range extender testing system and automobile Download PDFInfo
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- CN211374922U CN211374922U CN201922329406.5U CN201922329406U CN211374922U CN 211374922 U CN211374922 U CN 211374922U CN 201922329406 U CN201922329406 U CN 201922329406U CN 211374922 U CN211374922 U CN 211374922U
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- range extender
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Abstract
The embodiment of the utility model provides an automobile increases journey ware test system and car, automobile increases journey ware test system is including increasing journey ware, fuel supply subsystem, advances exhaust subsystem, cooling subsystem, programmable bidirectional power supply, public electric wire netting, adjustable low pressure power supply and host computer, it includes engine, generator controller, increases journey ware controller and engine ECU to increase journey ware, engine and generator are fixed in on the engine platform through connecting device rigid connection after, the generator links to each other with the generator controller through the three-phase line, it constitutes the CAN network to increase journey ware controller and be connected with generator controller, engine ECU and programmable bidirectional power supply through the CAN bus; the programmable bidirectional power supply is connected with the generator controller and the public power grid in a bidirectional mode. The utility model discloses a bidirectional power supply able to programme can carry out the maximize utilization to the energy to can reduce burden for the enterprise, bring higher benefit for enterprise and social development.
Description
Technical Field
The utility model relates to a extend journey ware test technical field, concretely relates to car extends journey ware test system and car.
Background
The extended range electric vehicle has the dual advantages of energy conservation and environmental protection of the pure electric vehicle and long endurance of the traditional vehicle, so that the extended range electric vehicle has wide attention of people. The range extender of the range-extending electric vehicle is a small generator set and consists of an engine, a generator and a range extender control system, the range extender can automatically start power generation according to the state and the working condition of the whole vehicle and the electric quantity of a battery in the process of driving, and can automatically stop after charging, and a driver can manually start and stop when necessary. The range extender responds to the command of the whole electric vehicle controller through the range extender control system, outputs the voltage and the current required by the electric drive system, and realizes the stable control of loading and unloading, the control of the most economic working point of the engine and the like.
The structure of the existing range extender testing system is shown in fig. 1, a traditional high-voltage power distribution cabinet is adopted for a high-voltage system to provide electric energy, the power distribution cabinet only has a one-way power supply function and does not have the functions of voltage and current detection and automatic control switching, a voltage sensor, a current sensor and a relay switch need to be additionally arranged on an output circuit, signal lines of the voltage sensor, the current sensor and the relay switch need to be connected with a range extender controller, the range extender controller controls voltage and current signals of a high-voltage loop and monitors the voltage and current signals, the circuit connection of the testing system is complex, and the peripheral control circuit interface requirement of the range extender controller is increased.
The power generation function test of the existing range extender test system is that an electronic load is connected to a high-voltage direct-current interface end of an engine controller, the power generation function test is a process that the load discharges and generates heat, fuel oil consumed by the range extender during working is converted into electric energy and then is consumed into heat energy by the electronic load, and energy is not reasonably utilized and is not environment-friendly.
The high-voltage power distribution cabinet used by the existing range extender test system can only output one voltage class, can only adapt to a range extender with one voltage class, and has poor compatibility.
SUMMERY OF THE UTILITY MODEL
The utility model provides a car increases journey ware test system and car, bi-directional power supply can carry out the maximize utilization to the energy able to programme to can subtract the burden for the enterprise, bring higher benefit for enterprise and social development.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
a testing system for an automobile range extender comprises the range extender, a fuel supply subsystem, an air intake and exhaust subsystem, a cooling subsystem, a programmable bidirectional power supply, a public power grid, an adjustable low-voltage power supply and an upper computer;
wherein, increase journey ware includes: the range extender comprises an engine, a generator Controller, a range extender Controller and an engine Control Unit (Electronic Control Unit, ECU), wherein the engine and the generator are rigidly connected through a connecting device and then fixed on an engine platform, the generator is connected with the generator Controller through a three-phase line, and the range extender Controller is connected with the generator Controller, the engine ECU and a programmable bidirectional power supply through a Controller Area Network (CAN) bus to form a CAN bus Network;
the fuel supply subsystem, the air intake and exhaust subsystem and the cooling subsystem are respectively connected with the engine;
the programmable bidirectional power supply is in bidirectional connection with the generator controller and the public power grid;
the input end of the adjustable low-voltage power supply is connected with a public power grid, and the output end of the adjustable low-voltage power supply is connected with a low-voltage power supply interface of the range extender controller;
and the upper computer is connected with the range extender controller through the test instrument.
Wherein the fuel supply subsystem includes a reservoir:
the oil storage tank is connected with the engine through an oil supply pipe.
Wherein, the air intake and exhaust subsystem comprises an air intake pipeline and an exhaust pipeline:
the air inlet pipeline and the exhaust pipeline are both connected with the engine.
The cooling subsystem comprises a water pump, a temperature sensor, a flow sensor, an electronic fan and a pipeline, wherein the pipeline comprises a water outlet pipeline and a water return pipeline;
the water outlet pipeline and the water return pipeline are uniformly distributed in the engine, the generator and the generator controller, and the water pump, the temperature sensor, the flow sensor and the electronic fan are respectively connected with the range extender controller.
The output voltage range of the programmable bidirectional power supply is direct current 30V-800V, the voltage grade can be adjusted through programming, the programmable bidirectional power supply is suitable for range extenders with various voltage grades, and the programmable bidirectional power supply has high system matching compatibility.
The output voltage range of the adjustable low-voltage power supply is direct current 0-30V, and the range extender can meet the requirements of 12V Direct Current (DC) and 24VDC low-voltage platforms.
The utility model also provides a car, including foretell car range extender test system.
The above technical scheme of the utility model at least include following beneficial effect:
the above technical scheme of the utility model, compare in the past and adopt the electron load to produce the mode that the heat consumed, the utility model discloses a bidirectional power supply can carry out the maximize utilization to the energy to can subtract the burden for the enterprise, bring higher benefit for enterprise and social development.
Drawings
Fig. 1 is a structural diagram of a conventional range extender testing system in the background art of the present invention;
fig. 2 is a structural diagram of a range extender testing system provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a range extender in a range extender test system according to an embodiment of the present invention when the range extender is started;
fig. 4 is a schematic structural diagram of the range extender during power generation operation in the range extender testing system provided by the embodiment of the present invention.
Description of reference numerals:
1. a range extender; 2. a fuel supply subsystem; 3. an air intake and exhaust subsystem; 4. a cooling subsystem; 5. a programmable bi-directional power supply; 6. a public power grid; 7. an adjustable low voltage power supply; 8. and (4) an upper computer.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 2, the utility model provides an automobile range extender test system, which comprises a range extender 1, a fuel supply subsystem 2, an air intake and exhaust subsystem 3, a cooling subsystem 4, a programmable bidirectional power supply 5, a public power grid 6, an adjustable low-voltage power supply 7 and an upper computer 8;
the range extender 1 comprises an engine, a generator controller, a range extender controller and an engine ECU, wherein the engine and the generator are rigidly connected through a connecting device and then fixed on an engine platform, and the engine platform is a universal test bench platform.
The generator is connected with the generator controller through a three-phase line, and the range extender controller is connected with the generator controller, the engine ECU and the programmable bidirectional power supply through a CAN bus to form a CAN bus network for bus information interaction and control instruction issue when the range extender works.
The fuel supply subsystem 2, the air intake and exhaust subsystem 3 and the cooling subsystem 4 are respectively connected with the engine.
The programmable bidirectional power supply 5 is connected with the generator controller and the public power grid 6 in a bidirectional mode, and is used for providing an electric energy source for starting an engine of the range extender and feeding back the electric energy to the public power grid when the range extender generates electricity. The programmable bidirectional power supply is provided with a CAN bus interface, and the upper computer CAN monitor the programmable bidirectional power supply through the CAN bus.
The input end of the adjustable low-voltage power supply 7 is connected with a public power grid, and the output end of the adjustable low-voltage power supply is connected with a low-voltage power supply interface of the range extender controller, and the adjustable low-voltage power supply is used for converting high-voltage electricity of the public power grid into low voltage and then providing continuous power supply guarantee for equipment.
And the upper computer 8 is connected with the range extender controller through a testing instrument and is used for monitoring the state of the whole range extender by testing personnel.
The fuel supply subsystem comprises a fuel storage tank, wherein a fuel supply pipe is connected between the fuel storage tank and the engine and used for supplying fuel in real time when the engine works. Can be used with a traditional engine test bench system.
Optionally, the fuel supply subsystem further comprises: the oil pump and the oil gauge are connected between the oil storage tank and the engine and used for pumping oil in the oil storage tank into the engine to provide fuel oil for the engine during working, and the oil gauge can measure the fuel oil consumption of the engine.
The air inlet and exhaust subsystem comprises an air filter, an air inlet pipeline, an exhaust pipeline and an exhaust fan, wherein the air inlet pipeline and the exhaust pipeline are connected with the engine and used for providing gas necessary for combustion and exhausting tail gas after combustion when the engine works and exchanging cold and hot air flows for the work of parts of the whole range extender.
The cooling subsystem comprises a water pump, a temperature sensor, a flow sensor, an electronic fan, a cooling fin, a liquid supplementing tank, a cooling medium and pipelines, the pipelines comprise a water outlet pipeline and a water return pipeline, the water outlet pipeline and the water return pipeline are uniformly distributed in the engine, the generator and the generator controller, and the cooling of parts is carried out when the range extender works. The water pump, the temperature sensor, the flow sensor and the electronic fan are respectively connected with the range extender controller and used for reasonably controlling the operation of the water pump and the electronic fan after acquiring the temperature and flow information of the cooling subsystem.
The utility model discloses in, bidirectional power supply can programme is from taking voltage and current collection function, the circuit function of cutting off, need not increase current sensor in external circuit, voltage sensor and relay switch, the whole circuit connection that increases journey ware test system is more succinct, and bidirectional power supply's output voltage scope can programme is direct current 30V ~ 800V, can realize the adjustment of voltage level through programming, according to the voltage level that increases the journey ware, technical index requirements such as power scope, carry out reasonable the matching with increasing the journey ware after electrical parameter programming design to this power, be suitable for the journey ware that increases of multiple voltage level, it is compatible to have higher system matching. The function and the performance of the newly developed range extender can be tested and verified, and the range extender can be detected before the final assembly of the range-extended electric automobile, so that the range extender assembled on the whole automobile can work normally. The whole test system is fast, flexible and highly adaptive.
In the utility model, the output voltage range of the adjustable low-voltage power supply is DC 0-30V, which can satisfy the range extender of two low-voltage platforms of 12VDC and 24VDC, and has higher system compatibility; the adjustable low-voltage power supply has voltage-stabilizing and filtering functions, has protection functions of overvoltage, overcurrent, overtemperature and the like, and can provide safe, reliable and stable low-voltage power supply guarantee for low-voltage equipment of the whole test system.
The utility model adopts the programmable bidirectional power supply to provide high-voltage electric energy, when the range extender is in the starting stage, the programmable bidirectional power supply provides safe and reliable high-voltage direct-current electric energy for the generator controller after rectification, voltage stabilization and filtering after getting electricity from the public power grid, and the generator is ensured to stably drag the engine to start after running; when the range extender is in a power generation state, the programmable bidirectional power supply inverts the high-voltage direct-current electric energy obtained from the generator controller and then feeds the high-voltage direct-current electric energy back to the public power grid, the electric energy fed back to the public power grid can be used by other equipment in an enterprise, and the electric energy can also be sold back to a power supply department; the energy is utilized to the maximum extent, the burden of enterprises can be reduced, and higher benefits are brought to the development of the enterprises and the society.
The utility model provides an increase journey ware test system's work flow divide into following two kinds according to the mode that increases journey ware:
(1) range extender start
Simulating the driving operation requirement of the whole vehicle by using an upper computer, firstly simulating an ignition key, controlling the adjustable low-voltage power supply to start up by using the upper computer, starting to provide low voltage for the whole test system, and controlling the engine ECU, the generator controller and other components to wake up after the range extender controller obtains low-voltage power supply; the range extender controller sends a control signal to close a power supply relay of a water pump in the cooling subsystem, the water pump starts to work, and the range extender controller regulates the output flow speed of the water pump according to the duty ratio of the water pump; the range extender controller carries out state information interaction with components such as an engine ECU (electronic control Unit), a generator controller and the like through a CAN (controller area network) bus, and if the components are abnormal, fault information is reported through the bus; the upper computer then simulates and sends an engine starting command, after the range extender controller obtains the upper computer starting command, a high-voltage direct current output command is sent to the programmable bidirectional power supply through the CAN bus, the programmable bidirectional power supply successfully outputs high-voltage direct current after obtaining alternating current from a public power grid, and then the high-voltage direct current is fed back to the range extender controller through the CAN bus, after the range extender controller obtains high-voltage system enabling ready information fed back by the generator controller through the CAN bus, the range extender controller sends a generator starting torque value command to the generator controller, the generator controller controls the generator to operate according to the command to drag the engine to operate, when the engine ECU detects that the engine speed exceeds 280 revolutions per minute (different engine speeds), the engine ECU controls an oil injector of the engine to start oil injection, and the fuel supply subsystem continuously pumps fuel oil into a fuel oil pipeline through an oil pump, the engine obtains air through an air inlet pipeline, and then combustion is started in an engine cylinder; when the generator drags the engine to operate to 1200 revolutions per minute, a torque instruction sent to the generator controller by the range extender controller through the CAN bus becomes 0, the generator becomes a follow-up operation state, the engine ECU controls the fuel injection quantity in real time to enable the engine cylinder to be fully combusted, when the engine ECU detects that the engine speed is maintained at about 800 revolutions per minute (different engine speeds are different), the engine ECU feeds a start success flag bit back to the range extender controller through the CAN bus, the engine is successfully started, and the engine is maintained in an idle speed state. The range extender controller collects the temperature of an engine, the temperature of a generator, the temperature of the generator controller and the temperature of a water temperature sensor in a cooling subsystem pipeline in real time, and the duty ratio of a water pump is controlled and adjusted through the temperature values, so that the cooling and heat dissipation effects of all parts of the range extender are kept. The workflow of each subsystem at the time of range extender start-up is shown in fig. 3.
(2) Power generation by range extender
When the range extender is maintained in an idling state, the upper computer simulates a power generation requirement, the upper computer sends a power generation power value to the range extender controller, the range extender controller sends a rotating speed value instruction corresponding to the current power generation power value to the engine ECU according to an internal control strategy, a generator torque value instruction is sent to the generator controller, the engine ECU adjusts the rotating speed of the engine to a target value according to the obtained rotating speed value instruction and keeps the rotating speed, the generator controller sends the torque value instruction to the generator, the range extender enters a power generation mode, and the programmable bidirectional power supply inverts high-voltage direct current obtained from the range extender into alternating current and feeds the alternating current back to a public power grid. The range extender controller monitors the voltage value and the current value of the high-voltage direct-current bus sent by the generator controller and the programmable bidirectional power supply in real time to carry out comparison calculation, and the actual generating power is dynamically compensated by adjusting a torque instruction of the generator in real time. The working flow of each subsystem when the range extender generates power is shown in fig. 4.
The utility model also provides a car, including foretell car range extender test system.
The utility model provides an increase journey ware test system has and carries out the function that the test of function, performance and reliability is verified to the new development increase journey ware, has again to the part of the journey ware that increases who has developed before the loading to test the function of verifying. The utility model discloses a high voltage direct current power supply system adopts programmable bidirectional power supply, is different from other test system in use industry switch board, the utility model discloses a programmable bidirectional power supply can provide safe, reliable, stable high voltage direct current power supply for increasing the journey ware, can carry out the maximize utilization to the energy again at the electric energy conversion that increases journey ware electricity generation and produce and feed back to public electric wire netting to can subtract the burden for the enterprise, bring higher benefit for enterprise and social development.
The utility model discloses a bi-directional power supply able to programme has output voltage (30VDC ~ 800VDC) of very wide range, is different from ordinary high voltage distribution cabinet can only export the voltage value of one kind or several kinds of fixed grade, can linear adjustment bi-directional power supply's output voltage able to programme through software programming, and the range extender of adaptable multiple voltage grade is also the utility model discloses a characteristic. The utility model discloses a low voltage power supply output voltage range of adjustable voltage is 0 ~ 30VDC, can satisfy the range extender of two kinds of low pressure platforms of 12VDC and 24VDC, has higher system compatibility, is the utility model discloses a technical feature again.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A test system for a range extender of an automobile is characterized by comprising the range extender, a fuel supply subsystem, an air intake and exhaust subsystem, a cooling subsystem, a programmable bidirectional power supply, a public power grid, an adjustable low-voltage power supply and an upper computer, wherein,
the range extender includes: the engine, the generator controller, the range extender controller and the engine control unit: the engine and the generator are rigidly connected through a connecting device and then fixed on an engine platform, the generator is connected with the generator controller through a three-phase line, and the range extender controller is connected with the generator controller, the engine control unit and the programmable bidirectional power supply through a Controller Area Network (CAN) bus to form a CAN bus network;
the fuel supply subsystem, the air intake and exhaust subsystem and the cooling subsystem are respectively connected with the engine;
the programmable bidirectional power supply is in bidirectional connection with the generator controller and the public power grid;
the input end of the adjustable low-voltage power supply is connected with the public power grid, and the output end of the adjustable low-voltage power supply is connected with the low-voltage power supply interface of the range extender controller;
the upper computer is connected with the range extender controller through a test instrument.
2. The automotive range extender testing system of claim 1, wherein the fuel supply subsystem comprises: an oil storage tank;
the oil storage tank is connected with the engine through an oil supply pipe.
3. The automotive range extender testing system of claim 1, wherein the intake and exhaust subsystem comprises: air inlet line and exhaust line:
the air inlet pipeline and the exhaust pipeline are both connected with the engine.
4. The automotive range extender testing system of claim 1, wherein the cooling subsystem comprises: the system comprises a water pump, a temperature sensor, a flow sensor, an electronic fan and a pipeline; wherein the pipeline includes: a water outlet pipeline and a water return pipeline;
the engine, the generator with equipartition is equipped with in the generator controller the outlet pipe way with the return water pipeline, the water pump, temperature sensor, flow sensor with the electron fan respectively with increase journey ware controller is connected.
5. The automotive range extender testing system of claim 1, wherein the output voltage of the programmable bi-directional power supply ranges from 30V to 800V dc.
6. The automobile range extender testing system of claim 1, wherein the output voltage range of the adjustable low-voltage power supply is DC 0-30V.
7. An automobile, characterized by comprising the automobile range extender test system as recited in any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922329406.5U CN211374922U (en) | 2019-12-23 | 2019-12-23 | Automobile range extender testing system and automobile |
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| CN201922329406.5U CN211374922U (en) | 2019-12-23 | 2019-12-23 | Automobile range extender testing system and automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467712A (en) * | 2020-11-03 | 2021-03-09 | 中国直升机设计研究所 | Low-voltage power supply system of ultra-light helicopter |
| CN113867227A (en) * | 2021-10-19 | 2021-12-31 | 江西清华泰豪三波电机有限公司 | Full-liquid-cooling direct-current power generating set system and control method thereof |
| CN116766963A (en) * | 2023-06-29 | 2023-09-19 | 玉柴芯蓝新能源动力科技有限公司 | Range extender for hydrogen-burning engine for generating electricity |
-
2019
- 2019-12-23 CN CN201922329406.5U patent/CN211374922U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467712A (en) * | 2020-11-03 | 2021-03-09 | 中国直升机设计研究所 | Low-voltage power supply system of ultra-light helicopter |
| CN112467712B (en) * | 2020-11-03 | 2023-04-11 | 中国直升机设计研究所 | Low-voltage power supply system of ultra-light helicopter |
| CN113867227A (en) * | 2021-10-19 | 2021-12-31 | 江西清华泰豪三波电机有限公司 | Full-liquid-cooling direct-current power generating set system and control method thereof |
| CN113867227B (en) * | 2021-10-19 | 2024-01-19 | 江西清华泰豪三波电机有限公司 | Full liquid cooling direct current generator set system and control method thereof |
| CN116766963A (en) * | 2023-06-29 | 2023-09-19 | 玉柴芯蓝新能源动力科技有限公司 | Range extender for hydrogen-burning engine for generating electricity |
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