CN107933328A - A kind of electric automobile LNG distance increasing units - Google Patents
A kind of electric automobile LNG distance increasing units Download PDFInfo
- Publication number
- CN107933328A CN107933328A CN201711132859.8A CN201711132859A CN107933328A CN 107933328 A CN107933328 A CN 107933328A CN 201711132859 A CN201711132859 A CN 201711132859A CN 107933328 A CN107933328 A CN 107933328A
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- China
- Prior art keywords
- electric automobile
- lng
- low
- type engine
- external combustion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/12—Emission reduction of exhaust
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a kind of electric automobile LNG distance increasing units, including LNG low-temperature storage tanks, LNG low-temperature storage tanks connect external combustion h type engine h by low temperature gasification device, external combustion h type engine h connects motor, drive motor rotation to produce electric current to charge for batteries of electric automobile group, batteries of electric automobile group connecting electric automobile control system.On the one hand batteries of electric automobile group provides power supply for motor, motor drives external combustion h type engine h connection LNG low-temperature storage tanks to form backfeed loop, on the other hand low temperature gasification device is connected by solenoid valve, batteries of electric automobile group is also connected with external combustion h type engine h, and LNG low-temperature storage tanks, external combustion h type engine h, generator, batteries of electric automobile group, control system of electric automobile, low temperature gasification device, solenoid valve are all connected with control device.The invention is easy to operate, safeguard less, operating cost is low, take up little area, invests low, easy for installation, is more suitable for range extender of electric vehicle.
Description
Technical field
The invention belongs to electric vehicle engineering field, more particularly, to a kind of electric automobile LNG distance increasing units.
Background technology
With gradual enhancing of the people to environmental protection consciousness, electric automobile is with its energy conservation and environmental protection, noise is small, kinematic system
It is simple to wait many advantages to be greatly developed.But course continuation mileage, charging slow etc. are its fatal defects.General preferable electronic vapour
Car course continuation mileage is between 80-300Km, and the charging interval is when 2-8 is small or so.Charging interval is long and course continuation mileage is too short, sternly
The development of electric automobile is constrained again.
The content of the invention
In view of this, the invention is directed to a kind of electric automobile LNG distance increasing units, easy to operate, safeguard less, operation
Cost is low, take up little area, invest it is low, easy for installation.
To reach above-mentioned purpose, what the technical solution of the invention was realized in：
A kind of electric automobile LNG distance increasing units, including LNG low-temperature storage tanks, LNG low-temperature storage tanks are connected outer by low temperature gasification device
H type engine h is fired, external combustion h type engine h connection motor, drives motor rotation to produce electric current and charges for batteries of electric automobile group,
Batteries of electric automobile group connecting electric automobile control system, on the one hand batteries of electric automobile group provides power supply for motor, electronic
Machine drives external combustion h type engine h connection LNG low-temperature storage tanks to form backfeed loop, on the other hand connects low temperature gasification by solenoid valve
Device cools down for battery, and batteries of electric automobile group is also connected with external combustion h type engine h, powers for external combustion h type engine h, LNG low-temperature storage tanks,
External combustion h type engine h, generator, batteries of electric automobile group, control system of electric automobile, low temperature gasification device, solenoid valve are all connected with controlling
Device processed.
Further, the external combustion h type engine h uses Stirling engine.
Further, pressure sensor is equipped with the LNG low-temperature storage tanks, the pressure sensor connects control device.
Further, the control system of electric automobile is also connected with in-car air-conditioning or heating system.
Further, the batteries of electric automobile group is equipped with temperature sensor, for detecting the temperature of battery pack, the temperature
Spend sensor connection control device.
Further, it is equipped with microcontroller in the control device.
Relative to the prior art, a kind of electric automobile LNG distance increasing units described in the invention have the advantage that：
(1) the invention uses external combustion h type engine h, and the temperature difference is bigger, and generating efficiency is higher, low noise, and parts are few；
(2) the invention make use of the cold energy of LNG, when battery is full of and LNG gasification pressure is high, be made using generator
Engine is driven cold end is cooled down the natural gas to gasify for drive end；
(3) tail gas of the invention discharge be water and carbon dioxide, and pollution is few, easy to operate, maintenance less, operating cost
It is low, take up little area, invest low, easy for installation, be more suitable for range extender of electric vehicle.
Brief description of the drawings
The attached drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In attached drawing：
Fig. 1 is a kind of structure diagram of electric automobile LNG distance increasing units described in the invention embodiment.
Description of reference numerals：
1-LNG low-temperature storage tanks；2- external combustion h type engine hs；3- motor；4- batteries of electric automobile groups；5- Control of Electric Vehicles
System；6- low temperature gasification devices；7- solenoid valves；8- control devices.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the invention can
To be mutually combined.
The invention create description in, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ",
" under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation or position of the instruction such as " outer "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of description the invention and simplifies description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as the limitation to the invention.In addition, term " first ", " second " etc. are only used for description purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
One or more this feature can be expressed or be implicitly included to the feature of " second " etc..In the description of the invention
In, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention creation.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments creates.
As shown in Figure 1, a kind of electric automobile LNG distance increasing unit concrete structures that the invention provides are as follows, including LNG low
Warm storage tank 1, LNG low-temperature storage tanks 1 connect external combustion h type engine h 2 by low temperature gasification device 6, and external combustion h type engine h 2 connects motor
3, drive the rotation of motor 3 to produce electric current and charge for batteries of electric automobile group 4, the 4 connecting electric automobile control of batteries of electric automobile group
System 5 processed, 4 one side of batteries of electric automobile group provide power supply for motor 3, and motor 3 drives external combustion h type engine h 2 to connect
LNG low-temperature storage tanks 1 form backfeed loop, and on the other hand connect low temperature gasification device 6 by solenoid valve 7 cools down for battery, electronic vapour
Car battery pack 4 is also connected with external combustion h type engine h 2, powers for external combustion h type engine h 2, LNG low-temperature storage tanks 1, external combustion h type engine h 2,
Generator 3, batteries of electric automobile group 4, control system of electric automobile 5, low temperature gasification device 6, solenoid valve 7 are all connected with control device 8.
The external combustion h type engine h 2 uses Stirling engine.
Pressure sensor is equipped with the LNG low-temperature storage tanks 1, the pressure sensor connects control device by data cable
8。
The control system of electric automobile 5 is also connected with in-car air-conditioning or heating system.
The batteries of electric automobile group 4 is equipped with temperature sensor, for detecting the temperature of battery pack, the temperature sensor
Control device 8 is connected by data cable.
Microcontroller is equipped with the control device 8.
In use, liquefied natural gas passes through low temperature gasification from the pipeline outflow of low temperature LNG storage tank 1 for the invention
The hot junction that the pipeline of device 6 enters external combustion h type engine h (Stirling) 2 is burnt, and produces the temperature difference with cold end, drives cylinder
Movement, drives the rotation of motor 3 to produce electric current and charges for batteries of electric automobile group 4, between external combustion h type engine h 2 and motor 3
Connected by shaft coupling, when control device 8 detects the full electricity of batteries of electric automobile group 4, be detected simultaneously by low temperature LNG storage tank 1
The numerical value of pressure sensor when exceeding preset range, control batteries of electric automobile group 4 provide power drives motor 3 drive it is outer
The operating of combustion h type engine h (Stirling) 2, which makes it produce low temperature in cold end, reduces temperature or liquefied natural gas, is injected back into LNG low temperature again
Storage tank 1 ensures system safety, or controls in-car air-conditioning or heating system to ensure vehicle system by control system of electric automobile 5
Proper temperature consumes natural gas unnecessary in LNG low-temperature storage tanks 1；
When control device detects that the numerical value of the temperature sensor in batteries of electric automobile group 4 exceedes preset range, then control
Solenoid valve 7 processed is opened, and connection low temperature gasification device 6 reduces battery temperature, and the import of solenoid valve 7 connects low temperature gasification by pipeline
The outlet of device 6, the outlet of solenoid valve 7 pass through pipeline connecting electric automobile battery pack 4.
A kind of novel electric vehicle LNG distance increasing units that the invention provides, are collection external combustion h type engine h, LNG gasification storage
Deposit, generate electricity, freezing in the range extender of electric vehicle of one.LNG (liquefied natural gas) main component is CH4, and CO2 is produced after burning
And H2O, meet environmental requirement.External combustion h type engine h refers mainly to Stirling engine, a kind of reciprocating heating power of external combustion closed cycle
Engine, can be working medium with hydrogen, ammonia, helium or air.Working medium filled with a constant volume in the cylinder of closing, one end of cylinder are
Expansion cylinder, the other end are compression cylinder, and during as engine, expansion cylinder temperature is high, is hot cylinder, compression cylinder temperature is low, is cooling cylinder；Make
For refrigeration machine when, expansion cylinder is cooling cylinder, and compression cylinder is hot cylinder.Heat dump, regenerator and cooler are used between expansion cylinder and compression cylinder
Connection, regenerator is interior filled with filler, is mostly stainless steel wire.In noise is small, invariable power, the advantage such as simple in structure are suitable for
Small-sized constant power engine is as electrical power generators.(cold energy is used for electricity to liquefied natural gas in LNG low-temperature storage tanks after gasification
Pond cool down) reach -40~-50 DEG C first pass through external-burning engine cold end (the engine temperature difference is bigger, and efficiency is higher) heat exchange after enter hair
Motivation hot junction is burnt, more than 1000 DEG C.Since the presence of the hot and cold side temperature difference causes cylinder movement to drive generator hair
Electricity, charges for electric automobile.When the natural gas after battery has gasification in full electricity and LNG storage tank, inside automobile batteries
Power drives external-burning engine is reversed in its cold end and produces low temperature, and the natural gas to have gasified is liquefied again returns to storage tank.Or
It is connected with control system of electric automobile, driving air-conditioning heating system etc. keeps vehicle interior temperature constant, after consuming unnecessary gasification
Natural gas.So that whole system reaches the operation for stablizing safety.By taking 20L liquefied natural gas as an example, marked after gasification for 12.5m3
Natural gas under quasi- situation, generates electricity more than 37.5 degree, electric automobile can run 250~more than 300Km.Along with former electric automobile electricity
Pond can run 200~400Km.It can run 450~700Km so electric automobile installs highest after LNG distance increasing units and (stored up with 20L
Exemplified by tank).Not only meet the requirement of environmental protection but also solve the problems, such as the continuation of the journey of pure electric automobile.
The foregoing is merely the preferred embodiment of the invention, is not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on, should be included in the invention
Protection domain within.
Claims (6)
- A kind of 1. electric automobile LNG distance increasing units, it is characterised in that：Including LNG low-temperature storage tanks, LNG low-temperature storage tanks pass through low temperature gas Change device connection external combustion h type engine h, external combustion h type engine h connection motor, it is electric automobile to drive motor rotation to produce electric current Battery pack charges, batteries of electric automobile group connecting electric automobile control system, on the one hand batteries of electric automobile group carries for motor Power supply source, motor drive external combustion h type engine h connection LNG low-temperature storage tanks to form backfeed loop, are on the other hand connected by solenoid valve Low temperature gasification device is connect for battery to cool down, batteries of electric automobile group is also connected with external combustion h type engine h, powers for external combustion h type engine h, LNG low-temperature storage tanks, external combustion h type engine h, generator, batteries of electric automobile group, control system of electric automobile, low temperature gasification device, electricity Magnet valve is all connected with control device.
- A kind of 2. electric automobile LNG distance increasing units according to claim 1, it is characterised in that：The external combustion h type engine h is adopted Use Stirling engine.
- A kind of 3. electric automobile LNG distance increasing units according to claim 1, it is characterised in that：Set in the LNG low-temperature storage tanks There is pressure sensor, the pressure sensor connects control device.
- A kind of 4. electric automobile LNG distance increasing units according to claim 1, it is characterised in that：The Control of Electric Vehicles system System is also connected with in-car air-conditioning or heating system.
- A kind of 5. electric automobile LNG distance increasing units according to claim 1, it is characterised in that：The batteries of electric automobile group Equipped with temperature sensor, for detecting the temperature of battery pack, the temperature sensor connects control device.
- 6. according to a kind of electric automobile LNG distance increasing units of claim 1-5 any one of them, it is characterised in that：The control dress Microcontroller is equipped with putting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132859.8A CN107933328A (en) | 2017-11-15 | 2017-11-15 | A kind of electric automobile LNG distance increasing units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132859.8A CN107933328A (en) | 2017-11-15 | 2017-11-15 | A kind of electric automobile LNG distance increasing units |
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| Publication Number | Publication Date |
|---|---|
| CN107933328A true CN107933328A (en) | 2018-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711132859.8A Pending CN107933328A (en) | 2017-11-15 | 2017-11-15 | A kind of electric automobile LNG distance increasing units |
Country Status (1)
| Country | Link |
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| CN (1) | CN107933328A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749609A (en) * | 2018-05-30 | 2018-11-06 | 中通客车控股股份有限公司 | A kind of LNG power battery for hybrid electric vehicle heat management system and working method |
| CN109459083A (en) * | 2018-09-14 | 2019-03-12 | 武汉科技大学 | A kind of stroke-increasing electric automobile fault diagnosis experiment porch |
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| CN109459083A (en) * | 2018-09-14 | 2019-03-12 | 武汉科技大学 | A kind of stroke-increasing electric automobile fault diagnosis experiment porch |
| CN109459083B (en) * | 2018-09-14 | 2021-01-15 | 武汉科技大学 | Range-extending type electric vehicle fault diagnosis experiment platform |
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Application publication date: 20180420 |