CN102400746A - Automobile exhaust waste-heat utilization system on basis of principle of energy accumulator - Google Patents
Automobile exhaust waste-heat utilization system on basis of principle of energy accumulator Download PDFInfo
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- CN102400746A CN102400746A CN2011103313220A CN201110331322A CN102400746A CN 102400746 A CN102400746 A CN 102400746A CN 2011103313220 A CN2011103313220 A CN 2011103313220A CN 201110331322 A CN201110331322 A CN 201110331322A CN 102400746 A CN102400746 A CN 102400746A
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- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 59
- 239000003921 oil Substances 0.000 claims description 76
- 239000010985 leather Substances 0.000 claims description 50
- 238000004146 energy storage Methods 0.000 claims description 4
- 208000002197 Ehlers-Danlos syndrome Diseases 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 39
- 238000011084 recovery Methods 0.000 abstract description 19
- 230000004087 circulation Effects 0.000 description 87
- 239000000945 filler Substances 0.000 description 16
- 239000002828 fuel tank Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 239000006071 cream Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
本发明的目的在于提供基于蓄能器原理的汽车尾气余热利用系统，包括双循环特殊蓄能器、恒压蓄能器；双循环特殊储能器分别连接增压器的涡轮和压气机，在双循环特殊储能器与涡轮之间安装排气阀，在双循环特殊储能器与压气机之间安装进气阀，发动机的排气管穿过双循环特殊储能器；双循环特殊储能器连接恒压储能器，恒压储能器连接汽车抱闸制动功能单元，液压油箱分别连接发动机、双循环特殊储能器、恒压储能器，液压马达安装在发动机、恒压储能器、液压油箱之间。本发明将热能直接转化为利用具有能量密度和功率密度较大等优点的液压油储存的液压能，使汽车尾气余热的回收与利用方式更加多元化。
The purpose of the present invention is to provide an automobile exhaust waste heat utilization system based on the accumulator principle, including a double-cycle special accumulator and a constant pressure accumulator; the double-cycle special accumulator is connected to the turbine and the compressor of the supercharger respectively, An exhaust valve is installed between the double-cycle special accumulator and the turbine, and an intake valve is installed between the double-cycle special accumulator and the compressor. The exhaust pipe of the engine passes through the double-cycle special accumulator; the double-cycle special accumulator The energy accumulator is connected to the constant pressure accumulator, the constant pressure accumulator is connected to the brake function unit of the automobile, the hydraulic oil tank is respectively connected to the engine, the double cycle special accumulator, and the constant pressure accumulator, and the hydraulic motor is installed on the engine, the constant pressure accumulator, etc. Between accumulator and hydraulic oil tank. The invention directly converts thermal energy into hydraulic energy stored by hydraulic oil having the advantages of high energy density and power density, so that the recovery and utilization modes of waste heat from automobile tail gas are more diversified.
Description
Technical field
What the present invention relates to is a kind of system of motor car engine field of energy-saving technology.
Background technique
Instantly; The petroleum-based energy imbalance between supply and demand becomes increasingly conspicuous; Automobile is as one of the most general energy consumption source of current society, owing to receive the restriction of the efficiency of internal combustion engine, energy utilization ratio is very low; Be merely about 30 to 40 percent; The energy major part of oil inflame distributes with the form of waste heat in vain, and simultaneously because the automobile that taps a new source of energy needs a large amount of technology to drop into economical, therefore improving the fuel oil energy utilization ratio directly or indirectly through variety of way is the most directly valid approach of the current social energy crisis of reply.
Hydraulic transmission has stable drive, big, the easy advantages such as stepless speed regulation and overload protection that realize of oil hydraulic motor of bearing capacity as high, the comparatively energy-conservation kind of drive of a kind of efficient.In automotive field, accumulator is widely used in hydraulic pressure and the pneumatic system.
Research to automobile engine tail gas waste-heat is recycled has just been carried out soon at home; The technology of domestic present recovery residual heat of tail gas of automobile concentrates on aspects such as waste heat heating, refrigeration and generating; And the thermal expansivity of on automobile, utilizing bag type accumulator reclaims the residual heat of tail gas of automobile ability; Be translated into hydraulic pressure and can be used for the waste heat energy way of recycling of automobile starting and braking, through to existing document and technical documentation retrieval, at present domestic also do not have the technology and a patent report of being correlated with.
Summary of the invention
The object of the present invention is to provide the low and existing residual heat of tail gas of automobile recovery of solution motor car engine fuel utilization ratio and the residual heat of tail gas of automobile based on accumulator principle of problems such as unification that utilizes mode and narrow limitation to utilize system.
The objective of the invention is to realize like this:
The residual heat of tail gas of automobile that the present invention is based on accumulator principle utilizes system; Comprise motor, engine exhaust pipe, pressurized machine, automobile brake sticking brake functional unit, hydraulic oil container, suction valve, outlet valve, it is characterized in that: also comprise the special accumulator of two circulations, constant voltage accumulator; Pressurized machine, suction valve, the special accumulator of two circulation, outlet valve, engine exhaust pipe are formed pneumatic circulation; The special accumulator of two circulations connects the turbine and the gas compressor of pressurized machine respectively; Between special accumulator of two circulations and turbine, outlet valve is installed; Between special accumulator of two circulations and gas compressor, be installed into air valve, waste pipe passes the special accumulator of two circulations; Hydraulic oil container, the special accumulator of two circulation, constant voltage accumulator, motor, automobile brake sticking brake functional unit, oil hydraulic motor are formed the hydraulic pressure circulation; The special accumulator of two circulations connects the constant voltage accumulator; The constant voltage accumulator connects automobile brake sticking brake functional unit; Hydraulic oil container connects motor, the special accumulator of two circulation, constant voltage accumulator respectively, and oil hydraulic motor is installed between motor, constant voltage accumulator, the hydraulic oil container.
The present invention can also comprise:
1, the special accumulator of described two circulations comprises elasticity leather bag, thermometer bulb outlet valve, thermometer bulb suction valve in the special accumulator pressure casing of two circulations, the special accumulator shell of two circulation; The elasticity leather bag is installed in the special accumulator pressure casing of two circulations in the special accumulator shell of two circulations; The elasticity leather bag constitutes the special accumulator oil pocket of two circulations with the special accumulator pressure casing of two circulations in the special accumulator shell of two circulations; Have the special accumulator filler opening of two circulations, the special accumulator oil outlet of two circulation on the special accumulator pressure casing of two circulations; The interior elasticity leather bag of the special accumulator shell of two circulations links to each other with supercharger air compressor, turbine respectively and on the pipeline that links to each other, thermometer bulb suction valve and thermometer bulb outlet valve is installed respectively, and elasticity leather bag, thermometer bulb suction valve, thermometer bulb outlet valve constitute thermometer bulb in the special accumulator shell of two circulations.
2, described constant voltage accumulator comprises elasticity leather bag, constant voltage accumulator pressure casing in the outer elasticity leather bag of constant voltage accumulator shell, the constant voltage accumulator shell; The outer elasticity leather bag of constant voltage accumulator shell is installed in outside the constant voltage accumulator pressure casing; The elasticity leather bag is installed in the constant voltage accumulator pressure casing in the constant voltage accumulator shell; The outer elasticity leather bag of constant voltage accumulator shell links to each other with the interior elasticity leather bag of constant voltage accumulator shell; The elasticity leather bag constitutes the shoe cream room of constant voltage accumulator in constant voltage accumulator pressure casing and the constant voltage accumulator shell; Have constant voltage accumulator oil outlet, constant voltage accumulator filler opening on the constant voltage accumulator pressure casing, constant voltage accumulator filler opening connects the special accumulator oil outlet of two circulations, and constant voltage accumulator oil outlet connects automobile brake sticking brake functional unit.
3, also comprise two-bit triplet solenoid valve, one-way valve, three-way valve, the two-bit triplet solenoid valve is installed between motor and the automobile brake sticking brake functional unit; Between special accumulator of two circulations and the constant voltage accumulator one-way valve is installed; Between constant voltage accumulator, motor, the oil hydraulic motor three-way valve is installed.
4, connect a hydraulic circuit that flows back to fuel tank that safety valve is installed by respectively on the hydraulic oil pipeline between hydraulic oil pipeline, three-way valve and the automobile brake sticking brake functional unit between hydraulic oil pipeline, constant voltage accumulator and the three-way valve between the special accumulator of described two circulations and the constant voltage accumulator.
Advantage of the present invention is: the narrow limitation and the monotony that the present invention is directed to existing residual heat of tail gas of automobile way of recycling; Propose a kind of brand-new energy recovery and utilized mode; Heat energy is converted into the hydraulic pressure ability of utilizing hydraulic oil to store with energy density and advantages such as specific power is bigger; Be more suitable for recovery and utilization, realized the second use of low-grade energy well, make the recovery of residual heat of tail gas of automobile and utilize mode diversification more in residual heat of tail gas of automobile.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the special accumulator structure figure of two circulations of the present invention;
Fig. 3 is constant voltage accumulator structure figure of the present invention.
Embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～3, dash line among Fig. 1 " _ _ _ _ " the pneumatic circulation loop assembly 4 of representative; Solid line " _ _ _ _ _ represent hydraulic circuit assembly 10; Side's dotted line
expression kinetic correlation.1 air pressurizing unit among the figure; 2 suction valves; 3 outlet valves; 5 pairs of special accumulators of circulation; 6 one-way valves; 7 constant voltage accumulators; 8 three-way valve; 9 hydraulic valves; 11 automobile starting functional units; 12 two-bit triplet solenoid valves; 13 automobile brake sticking brake functional units; 14 safety valves; 15 oil hydraulic motors; 16 fuel tanks; 17 heating power turbines; 18 pairs of special accumulator oil outlets of circulation; Elasticity leather bag in 19 pairs of special accumulator shells of circulation; 20 pairs of special accumulator oil pockets of circulation; 21 vehicle exhaust outlet pipes; 22 pairs of special accumulator filler openings of circulation; 23 thermometer bulb outlet valves; 24 suction valves of having enough to eat and wear; 25 pairs of special accumulator pressure casings of circulation; The outer elasticity leather bag of 26 constant voltage accumulator shells; Elasticity leather bag in the 27 constant voltage accumulator shells; 28 constant voltage accumulator shoe cream rooms; 29 constant voltage accumulator pressure casings; 30 constant voltage accumulator oil outlets; 31 constant voltage accumulator filler openings.
As shown in Figure 1, present embodiment comprises pneumatic circulation and hydraulic pressure circulation, and pneumatic time is the energy recovery and the conversion loop of system, and oil hydraulic circuit is to transform the storage of back energy and utilize the loop; Wherein, pneumatic circulation and hydraulic pressure circulation connect with the coupling that the special accumulator 5 of two circulations carries out two loops, to realize that heat energy is to the hydraulic pressure transformation of energy; Constant voltage accumulator 7 in the oil hydraulic circuit is used for storing the hydraulic pressure ability that reclaims conversion.
As shown in Figure 2, the special accumulator 5 of two circulations is divided into thermometer bulb and oil pocket 20.Thermometer bulb is the sealed volume that is made up of the elasticity leather bag in special accumulator 5 shells of two circulations 19 and suction valve 2, outlet valve 3, can charge into high-pressure air in the thermometer bulb; Elasticity leather bag 19 constitutes pair oil pocket 20 of the special accumulator of circulation with the special accumulator pressure casing 25 of two circulations.
As shown in Figure 3, the constant voltage accumulator comprises elasticity leather bag 27, pressure casing 29 and oil outlet 30 and filler opening 31 in the outer elasticity leather bag 26 of shell, the shell, wherein, is communicated with pneumatic pipeline assembly 4 between the elasticity leather bag 27 in outer elasticity leather bag 26 of shell and the shell; Volume in pressure casing 29 and the shell between the elasticity leather bag 27 is the shoe cream room 28 of constant voltage accumulator.
It in the outer elasticity leather bag 26 of the shell of constant voltage accumulator 7 and the shell high-pressure air that force value during according to automobile self hydraulic circuit stable operation charges into the uniform pressure value.
As illustrated in fig. 1 and 2, pneumatic circulation comprises the special accumulator of air pressurizing unit 1, suction valve 2, two circulation 5, outlet valve 3, heating power turbine 17 and pneumatic pipeline assembly 4; The vehicle exhaust outlet pipe 21 that crosses thermometer bulb is the thermal source of thermometer bulb; High temperature and high pressure gas in the thermometer bulb is through 17 actings of 4 pairs of heating power turbines of thermometer bulb gas exhaust piping assembly, and heating power turbine 17 charges into thermometer bulb after driving 1 pair of atmospheric air supercharging of air pressurizing unit again, to improve the acting ability of gas.
Air pressurizing unit 1 can be according to the pressure ratio of the needs setting air pressurized machine of automobile self hydraulic circuit pressure.
Like Fig. 1, shown in 2 and 3, hydraulic pressure circulation comprises the special accumulator of fuel tank 16, two circulation 5, one-way valve 6, constant voltage accumulator 7, three-way valve 8, hydraulic valve 9, automobile starting functional unit 11, two-bit triplet solenoid valve 12, automobile brake sticking brake functional unit 13, safety valve 14, oil hydraulic motor 15 and hydraulic oil pipeline assembly 10; When system works; Thermometer bulb expands the hydraulic oil in the special accumulator hydraulic fluid chamber 20 of two circulations is done work; Its pressure is raise, and when hydraulic fluid pressure arrived certain value, the one-way valve 6 between special accumulator 5 of two circulations and the constant voltage accumulator 7 on the hydraulic circuit was opened; Hydraulic oil gets into the shoe cream room 28 of constant voltage accumulator through oil outlet 18, the hydraulic pipe line assembly 10 of the special accumulator of two circulations with the filler opening 31 of constant voltage accumulator, thereby realizes the storage of hydraulic pressure; When system works; When the thermometer bulb of the special accumulator of two circulations expand into maximum value; Thermometer bulb outlet valve 23 is opened; HTHP air in the thermometer bulb enters heating power turbine 17 to its acting, and the force value in the thermometer bulb sharply descends simultaneously, and thermometer bulb elasticity leather bag 19 shrinks; Cause in pair oil pocket 20 of the special accumulators of circulation and form negative pressure, then the hydraulic oil in the fuel tank 16 carries out repairing through hydraulic oil pipeline assembly 10 and pair oil pockets 20 of the special accumulator of the two circulations of the filler opening of the special accumulators of circulation 22 entering under atmospheric pressure; When automobile need start; The work of automobile starting functional unit; Hydraulic oil in the constant voltage accumulator shoe cream room 28 is stablized acting through hydraulic oil pipeline assembly 10, three-way valve 8 and hydrovalve to oil hydraulic motor 15 at this moment; The work of drive oil hydraulic motor realizes the startup of automobile, passes through the low-pressure hydraulic oil backflow oil sump tank 16 of oil hydraulic motor 15 simultaneously; When automobile need be braked, hydraulic oil let automobile brake sticking brake functional unit 13 work through hydraulic oil pipeline assembly 10, three-way valve 8, hydraulic valve 9 and two-position three-way valve 12 in the constant voltage accumulator shoe cream room 28, realizes automobile brake.
As shown in Figure 1; When automobile brake sticking brake functional unit need be realized braking, it is logical that two-position three-way valve 12 is in right position, when automobile brake sticking brake functional unit need be realized putting lock; It is logical that two-position three-way valve 12 is in position, a left side, the hydraulic oil backflow oil sump tank 16 of brake sticking brake functional unit.
As shown in Figure 1, the function of safety valve 14 is when the fluctuation rising appears in the hydraulic fluid pressure in the hydraulic circuit, and hydraulic oil is realized the protection of hydraulic circuit element directly through its backflow oil sump tank 16.The safety value threshold of safety valve 14 can be set according to actual conditions.
Working principle of the present invention is following:
Two stages when the system works principle is divided into work with the spare time.
(1) working stage
Working stage can be divided into energy recovery conversion and storage and energy and utilize two processes again.
1. energy recovery transforms and stores
Behind the automobile starting, the exhaust pipe wall temperature raises gradually, and the high-pressure air in the thermometer bulb is heated; When arriving certain pressure; The thermometer bulb externally acting of expanding raises the hydraulic fluid pressure that is filled between thermometer bulb and the pressure casing, when hydraulic fluid pressure increases to when satisfying one-way valve unlatching value; Hydraulic oil flows to the constant voltage accumulator through the recovered energy oil circuit, realizes that energy recovery transforms and stores.Then, the thermometer bulb outlet valve is opened, and high-temperature gas expands to the acting of hot gas turbine in the thermometer bulb, and the hot gas turbine drives air compressor work, INO, and normal temperature air gets into thermometer bulb after the supercharging of air compressor isothermal, for the pneumatic work cycle of the next one is prepared.Thermometer bulb, high-temperature exhaust pipe (thermal source), air compressor, hot gas turbine constitute the subtense angle of a heat recovery and conversion jointly like this, and energy recovery and conversion are carried out in continuous uninterrupted work.
Pressure in the thermometer bulb reduces suddenly when the outlet valve discharge is done work to the hot gas turbine at gas; Hydraulic fluid pressure in the special accumulator of two circulations is also along with unexpected decline forms negative pressure; Hydraulic oil in the fuel tank then gets in the special accumulators of two circulations and carries out replenishing of hydraulic oil at this moment, for the next one circulation of oil hydraulic circuit is prepared.
2. energy utilizes again
Energy storage in the system adopts the constant voltage accumulator, has constant voltage accumulation of energy, delivery pressure characteristics [5] stably with its fluid accumulation pressure energy.When certain working cell needed work, the high-pressure and hydraulic oil in the constant voltage accumulator was exported high pressure oil to it reposefully through the corresponding hydraulic drive circuit of design, to its acting, realizes the utilization again of energy.The utilization again of energy has two places to go in the system: the one, and automobile starting, the 2nd, automobile brake.
Stage when (two) not busy
During vehicle parking, there is not the recovery of energy when system is not busy.Aspect energy consumption, this moment, motor vehicle braking system did not need work, therefore had only when vehicle launch, and energy consumption is just arranged, and this part energy source is energy stored in the constant voltage accumulator.
The present invention is directed to the narrow limitation and the monotony of existing residual heat of tail gas of automobile way of recycling; Propose a kind of brand-new energy recovery and utilized mode; Heat energy is converted into the hydraulic pressure ability of utilizing hydraulic oil to store with energy density and advantages such as specific power is bigger; Be more suitable for recovery and utilization, realized the second use of low-grade energy well, make the recovery of residual heat of tail gas of automobile and utilize mode diversification more in residual heat of tail gas of automobile.
The automobile engine tail gas waste-heat that the present invention is directed to as land communications main force wastes and has now the residual heat of tail gas of automobile recovery and utilizes mode to have unification and circumscribed phenomenon, and research and development one cover is stored based on the automobile engine tail gas waste-heat recovery of accumulator principle and utilized system.Utilize the special accumulator of two circulations of design that the heat that exhaust emissions pipeline wall in the car running process produces is reclaimed; Being translated into hydraulic pressure can be stored in the constant voltage accumulator; And design one and overlap the hydraulic drive circuit that matches with it; The hydraulic pressure that utilization is reclaimed can be as the power source of vehicle launch and braking; Solve the low and existing residual heat of tail gas of automobile of motor car engine fuel utilization ratio and reclaimed and problems such as unification that utilizes mode and narrow limitation, improved the Economy of motor car engine, realized its purpose of energy saving.
The present invention realizes through following technological scheme, the present invention includes: the special accumulator of the two circulations of the coupling unit in pneumatic circuit, oil hydraulic circuit and two loops.
Described pneumatic circuit comprises: air compressor, the special accumulator of two circulation (thermometer bulb), hot gas turbine, thermometer bulb air intake valve, thermometer bulb outlet valve and the pneumatic pipeline that connects each parts of pneumatic circuit.The air compressor air outlet is connected with the interior elasticity leather bag internal volume (thermometer bulb) of the special accumulator of two circulations with pipeline through the thermometer bulb suction valve, the direct and atmosphere of air compressor suction port; The hot gas turbine air-intake is connected with the interior elasticity leather bag internal volume (thermometer bulb) of the special accumulator of two circulations with pipeline through the thermometer bulb gas outlet valve, the direct and atmosphere in hot gas turbine air outlet.Like this, air compressor, thermometer bulb suction valve, the special accumulator of two circulation (thermometer bulb), thermometer bulb outlet valve, hot gas turbine and whole atmosphere constitute the pneumatic circuit circulation.
Described oil hydraulic circuit comprises: fuel tank, one-way valve, the special accumulator of two circulation (oil pocket), safety valve, constant voltage accumulator, three-way valve, oil hydraulic motor, automobile starting unit, automobile brake unit are to connect the hydraulic pipe line of each parts of oil hydraulic circuit.The special accumulator of two circulations (oil pocket) filler opening communicates with fuel tank through one-way valve, and fuel tank can only be unidirectional to the repairing of the special accumulator oil pocket of two circulations; The special accumulator of two circulations (oil pocket) oil outlet is connected with constant voltage accumulator filler opening through one-way valve, and the special accumulator oil pocket of two circulations can only unidirectionally be accumulated high-pressure and hydraulic oil to the constant voltage accumulator; The constant voltage accumulator links to each other with oil hydraulic motor (driving the automobile starting unit) through three-way valve one tunnel, and another road links to each other with the automobile brake unit, on each oil circuit hydrovalve is installed, to control the break-make of this oil circuit.
Described two special accumulator that circulates plays the residual heat of tail gas of automobile that pneumatic circuit is reclaimed and is converted into the hydraulic pressure ability for connecting the coupling unit in two loops when work, comprising: elasticity leather bag, pressure casing.The elasticity leather bag is wrapped in automobile engine tail gas discharge pipe wall outside when work; The washer sealing of high temperature high voltage resistant is adopted in elasticity leather bag and exhaust duct wall joint; Elasticity leather bag and exhaust pipe road wall form confined space like this; Be referred to as thermometer bulb, have inlet hole and exhaust port on the elasticity leather bag simultaneously, be referred to as the thermometer bulb port; Pressure casing is wrapped in the elasticity leather bag, has two pairs of holes on it, and a pair of is thermometer bulb port (that is to say the port on the elasticity leather bag), and another is to being the hydraulic oil manhole appendix; The space that forms between elasticity leather bag and the pressure casing is referred to as oil pocket.When work, exhaust pipe passes the elasticity leather bag and the pressure casing of the special accumulator of two circulations, and wherein, the place of passing all seals with seal washer.
Described thermometer bulb leans on its inner high voltage air expanded by heating externally to do work when work.
Thereby described oil pocket leaned on thermometer bulb to expand and makes the oil pocket spatial volume reduce to be full of hydraulic fluid pressure in it along with increasing in when work; When hydraulic fluid pressure increases to certain value in the oil pocket; The one-way valve that connects between two special accumulators of circulation and the constant voltage accumulator is opened, and hydraulic oil flows to the constant voltage accumulator through hydraulic circuit.
Described constant voltage accumulator has the function of constant voltage accumulation of energy, comprising: elasticity leather bag, the outer elasticity leather bag of shell and shoe cream room in pressure casing, the shell; Wherein, the elasticity leather bag is positioned at pressure casing in the shell, and the outer elasticity leather bag of shell is positioned at outside the pressure casing, uses pipeline connection between the outer elasticity leather bag of elasticity leather bag and shell in the shell, forms the sealed volume space, and shoe cream room is used to reclaim the storage of hydraulic oil.
The present invention utilizes the thermal properties of gas to reclaim the heat of high temperature of vehicle exhaust exhaust duct wall.This energy reclaiming system is the space size of vehicle exhaust exhaust pipe system according to circumstances, on demand can be the exhaust pipe wall outside many layouts several, can be more conducive to the recovery of using waste heat from tail gas.
A kind of residual heat of tail gas of automobile based on accumulator principle of the present invention utilizes system, it is characterized in that, comprises two circulation loops of pneumatic circulation and hydraulic pressure circulation, and wherein: pneumatic circulation loop is coupled by the special accumulators of two circulations with hydraulic circuit and connects.The special accumulator of described two circulations comprises leather bag in pressure casing, the shell, laterally runs through vehicle exhaust outlet pipe, suction port, relief opening, filler opening and the oil outlet of elasticity leather bag in pressure casing and the shell; Wherein, Form the oil pocket of the special accumulator of two circulations in the shell between elasticity leather bag and the pressure casing, porting and oil inlet and outlet are all opened on pressure casing.Described pneumatic circulation loop comprises: air pressurizing unit, suction valve, the special accumulator of two circulation, outlet valve, heating power turbine and pneumatic pipeline assembly; Wherein: the air pressurizing unit relief opening is connected through pneumatic pipeline with the suction port of the special accumulator of two circulations, and suction valve is installed on the direct and atmosphere of suction port of air pressurizing unit on this pneumatic pipeline; The relief opening of the special accumulator of two circulations links to each other with the suction port of heating power turbine through pneumatic pipeline, and outlet valve is installed on this pneumatic pipeline, the direct and atmosphere of the relief opening of heating power turbine, and the output work of heating power turbine is used for direct drive air pressurized machine.Described hydraulic circuit comprises: fuel tank, the special accumulator of two circulation, one-way valve, constant voltage accumulator, three-way valve, hydraulic valve, automobile starting functional unit, two-bit triplet solenoid valve, automobile brake sticking brake functional unit, safety valve, oil hydraulic motor and hydraulic oil pipeline assembly; Wherein: the special accumulator filler opening of two circulations is connected through hydraulic oil pipeline with fuel tank; On this oil circuit one-way valve is installed; The oil outlet of the special accumulator of two circulations is connected through the filler opening of hydraulic pipe line with the constant voltage accumulator, and one-way valve also is installed on this oil circuit; The filler opening of three-way valve is connected through the oil outlet of hydraulic pipe line with the constant voltage accumulator; Two oil outlets of three-way valve; An oil outlet is connected with the oil hydraulic motor filler opening through hydraulic oil pipeline; The hydraulic valve that control opens and closes is installed on this hydraulic pipe line, and another oil outlet is connected with the brake sticking brake functional unit of automobile through hydraulic pipe line, and hydraulic valve and a two-bit triplet solenoid valve that a control oil channel opens and closes are installed on this hydraulic oil pipeline.Described two-position three-way valve is the function of the braking of automobile brake sticking brake functional unit in right position when logical, when position, a left side is logical, puts the lock function for automobile brake sticking brake systemic-function unit.The equal other hydraulic circuit that flows back to fuel tank that safety valve is installed that connect on the hydraulic oil pipeline between hydraulic oil pipeline, three-way valve and the automobile brake sticking brake functional unit between hydraulic oil pipeline, constant voltage accumulator and the three-way valve between described two special accumulator of circulation and the constant voltage accumulator.Described constant voltage accumulator comprises: elasticity leather bag, pressure casing and oil outlet and filler opening in the outer elasticity leather bag of shell, the shell; Wherein, Be communicated with pneumatic pipeline between the leather bag in elasticity leather bag outside pneumatic shell and the pneumatic shell; Form a sealed volume, elasticity leather bag and the volume between the pneumatic shell in the pneumatic shell are constant voltage accumulator shoe cream room.The connection of described pneumatic pipeline all adopts the elevated-temperature seal mode to connect.The connection of described hydraulic pipe line adopts the mode of combination seal to connect.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103313220A CN102400746B (en) | 2011-10-27 | 2011-10-27 | Automobile exhaust waste-heat utilization system on basis of principle of energy accumulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103313220A CN102400746B (en) | 2011-10-27 | 2011-10-27 | Automobile exhaust waste-heat utilization system on basis of principle of energy accumulator |
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| CN102400746A true CN102400746A (en) | 2012-04-04 |
| CN102400746B CN102400746B (en) | 2013-07-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105882403A (en) * | 2014-09-09 | 2016-08-24 | 博格华纳公司 | Regenerative energy system |
| CN111963333A (en) * | 2020-09-18 | 2020-11-20 | 徐州工业职业技术学院 | Energy accumulator and energy-saving system utilizing waste heat of engine tail gas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6013980A (en) * | 1983-07-06 | 1985-01-24 | Mitsubishi Heavy Ind Ltd | Warm-up device for diesel engine |
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| CN202325776U (en) * | 2011-10-27 | 2012-07-11 | 哈尔滨工程大学 | Automobile exhaust waste heat utilization system based on principle of energy accumulator |
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| JPS6013980A (en) * | 1983-07-06 | 1985-01-24 | Mitsubishi Heavy Ind Ltd | Warm-up device for diesel engine |
| CN101209663A (en) * | 2006-12-28 | 2008-07-02 | 中国科学院工程热物理研究所 | Combined Cycle Vehicle Power System |
| JP2010084605A (en) * | 2008-09-30 | 2010-04-15 | Mazda Motor Corp | Engine exhaust heat recovery system |
| WO2010123787A2 (en) * | 2009-04-21 | 2010-10-28 | Borgwarner Inc. | A method for improving the light-off or regeneration behavior of an aftertreatment device in a vehicle system |
| JP2011052662A (en) * | 2009-09-04 | 2011-03-17 | Mitsubishi Fuso Truck & Bus Corp | Waste heat recovery device for vehicle |
| CN202325776U (en) * | 2011-10-27 | 2012-07-11 | 哈尔滨工程大学 | Automobile exhaust waste heat utilization system based on principle of energy accumulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105882403A (en) * | 2014-09-09 | 2016-08-24 | 博格华纳公司 | Regenerative energy system |
| CN105882403B (en) * | 2014-09-09 | 2019-10-22 | 博格华纳公司 | Reproducibility energy system |
| CN111963333A (en) * | 2020-09-18 | 2020-11-20 | 徐州工业职业技术学院 | Energy accumulator and energy-saving system utilizing waste heat of engine tail gas |
| CN111963333B (en) * | 2020-09-18 | 2022-05-24 | 徐州工业职业技术学院 | Energy accumulator and energy-saving system utilizing waste heat of engine tail gas |
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