CN207776989U - A kind of free piston IC linear generating energy-storage system - Google Patents
A kind of free piston IC linear generating energy-storage system Download PDFInfo
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- CN207776989U CN207776989U CN201721533376.4U CN201721533376U CN207776989U CN 207776989 U CN207776989 U CN 207776989U CN 201721533376 U CN201721533376 U CN 201721533376U CN 207776989 U CN207776989 U CN 207776989U
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Abstract
Include that the internal-combustion linear generator device that linear motor rotor generates electricity and the energy storage device for storing internal-combustion linear generator device output electric energy are directly driven by internal combustion engine connecting rod the utility model discloses a kind of free piston IC linear generating energy-storage system；Internal-combustion linear generator device is connected with control and driving device for generate electricity driving and electric energy outgoing management, has the advantages that efficient, high power density, low emission, a variety of clean fuel flexibilities and electronic and generating integrated.Using the free piston IC linear generating energy-storage system as the distance increasing unit application of hybrid vehicle, the whole advantages for continuing conventional hybrid automobile can not only be inherited, its performance can be also set to obtain great-leap-forward and revolutionary development, for further increasing efficiency of combustion and fuel utilization ratio, and it is of great significance in terms of developing clean energy resource Development of HEV Technology.
Description
Technical field
The utility model is related to internal combustion engine technical field of power generation, specifically a kind of free piston IC linear generating
Energy-storage system.
Background technology
Currently, new-energy automobile development trend is increasingly swift and violent.On long terms, the pure electricity including fuel cell technology
Driving by be new-energy automobile major technique direction.However, pure electrically driven (operated) new-energy automobile development at present still face it is all
More bottleneck factor limitations.On short terms, Developing Hybrid Vehicle Industry is undoubtedly between conventional fuel oil automobile and pure electric automobile
Between important transition route.But hybrid vehicle still uses conventional internal combustion rotary generator to be driven as main at present
Dynamic power source, is urgently further promoted in many aspects：1, efficiency of combustion, fuel utilization ratio, emission performance need further
Optimization；2, pluralities of fuel bad adaptability can not further meet the needs of clean energy vehicle development；3, additional startup is needed
Motor, integrated morphology are numerous and jumbled.
Utility model content
The utility model present situation for the above-mentioned prior art, and a kind of free piston IC linear generating energy storage system is provided
System simplifies energy converting between mechanical structure, improves energy converting between mechanical efficiency.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of free piston IC straight line hair
Electric energy-storage system includes directly driving the internal-combustion linear generator dress that linear motor rotor generates electricity by internal combustion engine connecting rod
Set and exported for storing internal-combustion linear generator device the energy storage device of electric energy；Internal-combustion linear generator device, which is connected with, to be used for
Control and the driving device of power generation driving and electric energy outgoing management.
Above-mentioned internal-combustion linear generator device includes internal-combustion engine arrangement, Linear motor device and resilient mounting；Internal combustion engine
The mover in piston rod and linear electric generator in device is connected directly, and driving mover moves back and forth cutting magnetic line power generation.
Above-mentioned internal-combustion engine arrangement includes a cylinder block, a cylinder head module, a refuelling module and a water
Chill block.
Above-mentioned cylinder block is formed with the plunger shaft exploded for fuel combustion, is equipped in plunger shaft and is connected with piston rod
The piston connect.
Above-mentioned cylinder head module is equipped with the fuel port being connected with plunger shaft, air inlet, exhaust outlet and is opened for controlling
The solenoid valve closed and the spark plug for igniting.
Above-mentioned refuelling module includes fuel tank, power battery and power switch；Fuel tank provides fuel to fuel port；
The supply voltage of power battery is output to control and driving device, when supply voltage is reduced to preset lower voltage limit threshold value
When, control and driving device are alarmed, and power switch is closed, and are started control Linear motor device and slowly stopped；When electric power electricity
When the power supply output voltage in pond restores, power switch is opened in control and the alarm of driving device alarm release.
Above-mentioned water cooling module includes the water tank, water composite cooling pipe and temperature sensor of belt switch controller；Water composite cooling pipe cloth
Set on internal-combustion engine arrangement, temperature sensor detect internal-combustion engine arrangement operating temperature, and will detection signal be sent to control and
The water cooling that driving device, control and driving device control internal-combustion engine arrangement by switch controller recycles.
Above-mentioned Linear motor device includes the rotor position for the linear motor of power generation and for detecting linear motor
The position sensor module of information.
Above-mentioned linear motor is Thee-phase alternating current permanent-magnetic linear motor.
The actual position information of above-mentioned position sensor module acquisition linear motor rotor, and it is sent to control and driving
Device.
Above-mentioned resilient mounting can be gas spring, hydraulic spring grease cup or mechanical spring, be fired in internal combustion engine periodic points fire
It pushes the mover rebound of linear electric generator to generate electricity with cutting magnetic line after burning expansion work, and drives piston compression internal combustion engine device
In gas.
Above-mentioned resilient mounting, which can also be to linear electric generator, applies electric drive so that mover replys and drives piston pressure
The electric drive control module of gas in contracting internal-combustion engine arrangement.
Above-mentioned energy storage device includes bi-directional DC-DC energy conversion module and the battery module for storing electric energy.
Above-mentioned bi-directional DC-DC energy conversion module, which has, to be converted to linear motor by the output voltage of battery module and opens
First conversion module of dynamic voltage, and the power generation output voltage of linear motor is converted to the of battery module input voltage
Two conversion modules.
Above-mentioned control and driving device includes controller for calculating control instruction and for executing driving instruction
Driver.
Above-mentioned controller collects the feedback position information of position sensor module, and position ring is carried out inside controller
Control algolithm, and to driver output speed or torque reference value；And control the opening and closing of cylinder head air inlet and exhaust outlet, spark plug
Igniting and bunkering port opening and closing；And the feedback temperature information of temperature sensor is collected, control Linear motor device
The switch of water cooling module water cycle, collect the supply voltage of power battery, controls opening and closing and the linear motor of refuelling module
It shuts down.
Above-mentioned driver receives various control instructions, speed or the torque reference value that controller issues, in driver
Portion carries out the control algolithm operation of speed or torque ring, and exports U, V, W three-phase alternating current to drive linear motor；Linear motor
Electric energy is transferred to by driver by bi-directional DC-DC energy conversion module when device is operated in generating state.
Above-mentioned controller is made of hardware and software, and hardware includes mainly analog circuit and digital circuit, number electricity
The microprocessor portion on road is designed and developed using devices, softwares such as DSP, MCU, CPLD, FPGA, integrated IC using computer language
It forms.
Above-mentioned driver is made of hardware and software, and hardware includes mainly analog circuit and digital circuit, number electricity
The microprocessor portion on road is designed and developed using devices, softwares such as DSP, MCU, CPLD, FPGA, integrated IC using computer language
It forms.
The free piston IC linear generating energy-storage system of the utility model is compared to conventional internal combustion rotary electrification equipment
There is series of advantages：Without reequiping internal combustion engine, pluralities of fuel is suitable for by adjusting compression ratio；Made by controlling linear motor
Compression ratio controllable precise is, it can be achieved that optimal compression ratio improves efficiency of combustion, reduction discharge；Eliminate the transmissions such as toggle
Mechanism reduces mechanical friction loss, has higher energy converting between mechanical efficiency, be conducive to extend system lifetim and reduction
Noise；Motor and generator integrated design will be started, work in electronic or generating state in due course by controlling linear motor, i.e.,
A series of service requirements such as internal combustion engine start, stopping can be completed, eliminate additional startup motor, integrated morphology is compact, power
Density is high, more suitable for mixed power plant application.Therefore, there is efficient, high power density, low emission, a variety of clean fuels
The features such as flexibility and integrated dynamoelectric and power generation.Using the free piston IC linear generating energy-storage system as mixing
The distance increasing unit application of power vehicle, can not only inherit continue conventional hybrid automobile whole advantages, can also make its performance obtain across
More formula and revolutionary development, for further increasing efficiency of combustion and fuel utilization ratio, and development clean energy resource hybrid power
It is of great significance in terms of automotive engineering.
Description of the drawings
Fig. 1 is the whole comprising modules figure of utility model device.
Fig. 2 is the composition schematic diagram of internal-combustion linear generator device.
Fig. 3 is the composition schematic diagram of internal-combustion engine arrangement.
Fig. 4 is the composition schematic diagram of refuelling module.
Fig. 5 is the composition schematic diagram of water cooling module.
Fig. 6 is the structural schematic diagram of Linear motor device.
Fig. 7 in order to control with the composition schematic diagram of driving device.
Fig. 8 is the composition schematic diagram of energy storage device.
Specific implementation mode
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of free piston IC linear generating energy-storage system of the utility model includes by internal combustion engine
Piston rod directly drives the internal-combustion linear generator device that linear motor rotor generates electricity and for storing internal-combustion linear hair
Electric machine exports the energy storage device of electric energy, and internal-combustion linear generator device is connected with for driving and the electric energy outgoing management of generating electricity
Control and driving device.
Internal-combustion linear generator device includes internal-combustion engine arrangement, Linear motor device and resilient mounting；In internal-combustion engine arrangement
Piston rod and linear electric generator in mover be connected directly, driving mover move back and forth cutting magnetic line power generation.
As shown in Fig. 2, piston rod and linear electric generator mover are connected directly by internal-combustion engine arrangement, pass through engine cycle
Property ignition expansion work, cooperation resilient mounting effect, can push linear motor rotor move back and forth cutting magnetic line power generation.
As shown in figure 3, internal-combustion engine arrangement includes a cylinder block, a cylinder head module, a refuelling module and one
A water cooling module.
Cylinder block is formed with the plunger shaft exploded for fuel combustion, and the work being connected with piston rod is equipped in plunger shaft
Plug.Plunger shaft is to provide the enclosure space of combustion explosion when internal combustion engine periodic points fire burning expansion is done work, and pushes straight line hair
Electric mover is moved to resilient mounting, and opens porting.In compressing power generation process, porting is closed, for compression
Gas provides enclosure space.
Cylinder head module controls the interface module of internal combustion engine primarily as controller.Cylinder head module is equipped with and plunger shaft
The fuel port that is connected, air inlet, exhaust outlet and solenoid valve for controlling opening and closing and for the spark plug of igniting.Control is opened
Solenoid valve, bunkering port and the spark plug closed passes through the orderly control of controller so that internal combustion engine.
Refuelling module as shown in Figure 4, including fuel tank, power battery and power switch mainly fill for internal combustion engine
Set the fuel that igniting explosion time is provided.The supply voltage of power battery can be uploaded to controller, when supply voltage is reduced in advance
When the lower voltage limit threshold value of setting, controller can alarm, and close power switch, and start control Linear motor device and slowly stop
Vehicle opens power switch when cell voltage restores again, and controller releases alarm, notifies user can be with normal operation.Fuel tank
In fuel can be gasoline, diesel oil, natural gas, methane, methanol, hydrogen etc..
As shown in figure 5, water cooling module includes the water tank, water composite cooling pipe and temperature sensor of belt switch controller, mainly
Engine temperature is excessively high in order to prevent, the cylinder head module for cooling down internal combustion engine and cylinder block.It is arranged on internal-combustion engine arrangement
Water composite cooling pipe, temperature sensor are mounted in the cylinder head module of internal-combustion engine arrangement, and detect actual motor temperature and by temperature
Information uploads to controller., when monitoring control devices to temperature are higher than temperature threshold is preset, the switch that can control water tank is held
It opens, water composite cooling pipe starts water cycle and cooled down to internal combustion engine；Temperature threshold is preset when monitoring control devices to temperature are less than
When, the switch that can control water tank is closed, and water composite cooling pipe stops water cycle.Temperature sensor can be thermocouple, thermistor, electricity
Hinder temperature detector or IC temperature sensors etc..
As shown in fig. 6, Linear motor device includes the mover for the linear motor of power generation and for detecting linear motor
The position sensor module of location information.
Linear motor is the core component that free piston IC linear generating energy-storage system realizes energy converting between mechanical, together
When be the object that can carry out motorized motions control again.The linear motor of the utility model is preferably Thee-phase alternating current permanent-magnetic straight-line electric
Machine.
Position sensor module is to acquire the actual position information of linear motor rotor, be then uploaded to controller.
It needs to use the location information when Electronic control in start-up course and stopped process.Position sensor can be laser displacement
Sensor, ultrasonic distance-measuring sensor, grating displacement sensor or magnetic grid displacement sensor etc..
Resilient mounting is gas spring, hydraulic spring grease cup or mechanical spring, is done work in internal combustion engine periodic points fire burning expansion
Afterwards, the rebound cutting magnetic line power generation of linear electric generator mover, and the gas in compression internal combustion engine cylinder block are pushed.Resilient mounting
Can also be to apply electric drive so that mover replys and drives the electricity of gas in piston compression internal combustion engine device to linear electric generator
Drive control module.
As shown in fig. 7, control and driving device control and driving device include for calculate the controller of control instruction and
Driver for executing driving instruction, mainly control mover under the motoring condition of internal-combustion linear generator device it is mobile,
The work of motor side energy under generating state to the defeated outlet, inlet of energy storage device, exhaust and igniting and water cooling.
Control centre when controller is the work of internal-combustion linear generator whole system, the complete period through whole system transport
The three phases of row process.It is mainly used for issuing various control instructions to driver, for example starts to work, and is stopped；
The feedback position information for collecting the position sensor module of Linear motor device, the control that position ring is carried out inside controller are calculated
Method, then to driver output speed or torque reference value, and the opening and closing of the porting of control internal-combustion engine arrangement cylinder head, fire
The igniting of Hua Sai, the opening and closing of bunkering port；The feedback temperature information for collecting the temperature sensor module of Linear motor device, to control
The on and off of the water cooling module water cycle of Linear motor device processed；Collect the power battery of the refuelling module of internal-combustion engine arrangement
Supply voltage, come control refuelling module power switch opening and closing and linear motor shutdown.
Driver is primarily to the various control instructions that reception controller issues, speed or torque reference value；It is driving
The control algolithm operation of speed or torque ring is carried out inside device, and is exported U, V, W three-phase alternating current and supplied electricity to Linear motor device to drive
Dynamic linear motor.Electric energy is transferred to when Linear motor device is operated in generating state the bi-directional DC-DC energy of energy storage device
Conversion module.
As shown in figure 8, energy storage device includes bi-directional DC-DC energy conversion module and the battery pack mould for storing electric energy
Block.
Bi-directional DC-DC energy conversion module is incited somebody to action by bi-directional DC-DC energy conversion module when motor powered needs energy
The voltage of battery pack becomes V2 from V1, and wherein V2 is motor powered required voltage, and the energy on battery is transmitted to driving
Device side.When electric power generation needs to release energy, the voltage V3 on driver is converted to by bi-directional DC-DC energy conversion module
The voltage V1 of battery pack, wherein V3 can be equal to V2, can not also be equal to V2, and the energy that linear motor issues is transmitted to
In battery pack.The prior art of Patent No. 201410815469.0 may be used in the bi-directional DC-DC energy conversion module.
The utility model battery module, the energy generated for storing the power generation of internal-combustion linear generator device, and can make
It powers to other equipment for power supply.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (16)
1. a kind of free piston IC linear generating energy-storage system, it is characterized in that：Including directly being driven by internal combustion engine connecting rod
The internal-combustion linear generator device and export electricity for storing internal-combustion linear generator device that dynamic linear motor rotor generates electricity
The energy storage device of energy；The internal-combustion linear generator device be connected with for generate electricity driving and electric energy outgoing management control and
Driving device.
2. a kind of free piston IC linear generating energy-storage system according to claim 1, it is characterized in that：Described is interior
It includes internal-combustion engine arrangement, Linear motor device and resilient mounting to fire linear electric generator device；Piston in the internal-combustion engine arrangement
Connecting rod is connected directly with the mover in linear electric generator, and the mover is driven to move back and forth cutting magnetic line power generation.
3. a kind of free piston IC linear generating energy-storage system according to claim 2, it is characterized in that：Described is interior
Combustion engine device includes a cylinder block, a cylinder head module, a refuelling module and a water cooling module.
4. a kind of free piston IC linear generating energy-storage system according to claim 3, it is characterized in that：The cylinder
Module is formed with the plunger shaft exploded for fuel combustion, and the piston being connected with piston rod is equipped in the plunger shaft.
5. a kind of free piston IC linear generating energy-storage system according to claim 4, it is characterized in that：The cylinder
Head module be equipped be connected with plunger shaft fuel port, air inlet, exhaust outlet and for control be opened and closed solenoid valve and be used for
The spark plug of igniting.
6. a kind of free piston IC linear generating energy-storage system according to claim 3, it is characterized in that：The water
Chill block includes the water tank, water composite cooling pipe and temperature sensor of belt switch controller；The water composite cooling pipe is arranged in internal combustion engine
On device, the temperature sensor detects the operating temperature of internal-combustion engine arrangement, and detection signal is sent to control and driving
The water cooling that device, the control and driving device control internal-combustion engine arrangement by switch controller recycles.
7. a kind of free piston IC linear generating energy-storage system according to claim 6, it is characterized in that：Described is straight
Line electric machine includes the position sensor of the rotor position information for the linear motor of power generation and for detecting linear motor
Module.
8. a kind of free piston IC linear generating energy-storage system according to claim 7, it is characterized in that：Described is straight
Line motor is Thee-phase alternating current permanent-magnetic linear motor.
9. a kind of free piston IC linear generating energy-storage system according to claim 8, it is characterized in that：The position
The actual position information of sensor assembly acquisition linear motor rotor is set, and is sent to control and driving device.
10. a kind of free piston IC linear generating energy-storage system according to claim 9, it is characterized in that：Described
Resilient mounting is gas spring, hydraulic spring grease cup or mechanical spring, is pushed after the acting of internal combustion engine periodic points fire burning expansion straight
The mover rebound of line generator is generated electricity with cutting magnetic line, and drives the gas in piston compression internal combustion engine device.
11. a kind of free piston IC linear generating energy-storage system according to claim 9, it is characterized in that：Described
Resilient mounting is to apply electric drive so that mover replys and drives gas in piston compression internal combustion engine device to linear electric generator
Electric drive control module.
12. a kind of free piston IC linear generating energy-storage system according to claim 9, it is characterized in that：Described
Energy storage device includes bi-directional DC-DC energy conversion module and the battery module for storing electric energy.
13. a kind of free piston IC linear generating energy-storage system according to claim 12, it is characterized in that：Described
Bi-directional DC-DC energy conversion module has first turn that the output voltage of battery module is converted to linear motor startup voltage
Block is changed the mold, and the power generation output voltage of linear motor is converted to the second conversion module of battery module input voltage.
14. a kind of free piston IC linear generating energy-storage system according to claim 13, it is characterized in that：Described
Control and driving device include the controller for calculating control instruction and the driver for executing driving instruction.
15. a kind of free piston IC linear generating energy-storage system according to claim 14, it is characterized in that：Described
Controller is made of hardware and software, and the hardware includes mainly analog circuit and digital circuit, micro- place of digital circuit
Device part is managed using DSP, MCU, CPLD, FPGA, integrated IC devices, the software designed and developed using computer language and
At.
16. a kind of free piston IC linear generating energy-storage system according to claim 14, it is characterized in that：Described
Driver is made of hardware and software, and the hardware includes mainly analog circuit and digital circuit, micro- place of digital circuit
Device part is managed using DSP, MCU, CPLD, FPGA, integrated IC devices, the software designed and developed using computer language and
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721533376.4U CN207776989U (en) | 2017-11-16 | 2017-11-16 | A kind of free piston IC linear generating energy-storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721533376.4U CN207776989U (en) | 2017-11-16 | 2017-11-16 | A kind of free piston IC linear generating energy-storage system |
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| CN207776989U true CN207776989U (en) | 2018-08-28 |
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ID=63233383
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956578A (en) * | 2017-11-16 | 2018-04-24 | 中国科学院宁波材料技术与工程研究所 | A kind of free piston IC linear generating energy-storage system |
| CN112800593A (en) * | 2021-01-08 | 2021-05-14 | 聊城大学 | Free piston linear generator matching optimization method based on engine |
-
2017
- 2017-11-16 CN CN201721533376.4U patent/CN207776989U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956578A (en) * | 2017-11-16 | 2018-04-24 | 中国科学院宁波材料技术与工程研究所 | A kind of free piston IC linear generating energy-storage system |
| CN107956578B (en) * | 2017-11-16 | 2024-03-01 | 中国科学院宁波材料技术与工程研究所 | Free piston type internal combustion linear power generation energy storage system |
| CN112800593A (en) * | 2021-01-08 | 2021-05-14 | 聊城大学 | Free piston linear generator matching optimization method based on engine |
| CN112800593B (en) * | 2021-01-08 | 2023-08-11 | 聊城大学 | Matching optimization method of free piston linear generator based on engine |
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