CN104709084B - A kind of automobile hydraulic start stop system - Google Patents
A kind of automobile hydraulic start stop system Download PDFInfo
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- CN104709084B CN104709084B CN201510101596.9A CN201510101596A CN104709084B CN 104709084 B CN104709084 B CN 104709084B CN 201510101596 A CN201510101596 A CN 201510101596A CN 104709084 B CN104709084 B CN 104709084B
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Abstract
The invention provides a kind of automobile hydraulic start stop system, including two hydraulic mechanisms for connecting and a planet gear speed increaser, the planet gear speed increaser is provided with a tooth bar pull bar, and arbitrary hydraulic branch all includes：One hydraulic pump, a check valve, a pressure limiting valve, a braking triggering hydraulic buttery valve, throttle triggering hydraulic buttery valve, an oil storage cylinder, a hydraulic cylinder and plural bar conduit under fluid pressure, the cylinder body of the hydraulic cylinder is respectively provided on two sides with an oil pressure pipe and enters oily interface and an oil pressure pipe oil return interface, is provided with a push rod in the cylinder body of the hydraulic cylinder.It is an advantage of the invention that, using electric hydraulic and mechanical collective effect, achieve the energy regenerating storage of automobile brake moderating process, and in vehicle start by the energy conversion output that reclaims, improve capacity usage ratio, avoid the complexity of prior art and high cost design, energy-conservation, efficiently, be able to batch production and be suitable for the coupling application of multi-vehicle-type, with very high practicality.
Description
【Technical field】
A kind of the present invention relates to automobile mechanical technical field, more particularly, it relates to automobile hydraulic start stop system.
【Background technology】
Automobile starting/stopping system, be when braking deceleration in vehicle travel process, by reclaiming the mechanical kinetic energy of automobile and depositing
Storage, when vehicle needs to continue to move ahead starting, the system for promoting vehicle start that the energy release of original storage is done work.
Vehicle starting is driven for conventional engines drive, and transmission efficiency is low and oil consumption is high.Therefore existing electronic
In automobile and Development of HEV Technology, automobile starting drive be all using electrical consumption battery electric energy come realize drive.
For energy regenerating, the typically no relevant design of conventional truck, and on electric automobile or hybrid vehicle, its energy regenerating
Device is realized for mechanical energy changing into the electric energy of battery or super capacitor storing generally by the operation principle of motor.This
The energy reclaiming method of sample is limited by the electric energy conversion efficiency of battery, and efficiency is low, causes to recover energy loss greatly, and super electricity
Although holding, efficiency is higher, its manufacturing cost is also very high.Therefore, design one kind can meet electric automobile or hybrid vehicle is light
The braking recovery system that quantization, energy-conservation, efficient, low cost are required has very high practical value.
【Content of the invention】
The technical problem to be solved in the present invention, is to provide a kind of automobile hydraulic start stop system, based on traditional drive axle
Structure, makes full use of hydraulic pressure and mechanical collective effect to realize energy regenerating and the recycling of automobile brake moderating process, improves
Capacity usage ratio, it is to avoid the complexity of prior art and high cost design, is able to batch production and is suitable for the coupling of multi-vehicle-type
Application, with very high practicality.
The present invention is realized in：A kind of automobile hydraulic start stop system, the system include, the hydraulic mechanisms of two connections
With a planet gear speed increaser, the planet gear speed increaser is provided with a tooth bar pull bar, and arbitrary hydraulic mechanism all includes：
One hydraulic pump, a check valve, a pressure limiting valve, a braking triggering hydraulic buttery valve, throttle triggering hydraulic buttery valve, an oil storage
Cylinder, a hydraulic cylinder and plural bar conduit under fluid pressure, the cylinder body of the hydraulic cylinder are respectively provided on two sides with an oil pressure pipe and enter oily interface and one
Oil pressure pipe oil return interface, is provided with a push rod in the cylinder body of the hydraulic cylinder；
Its connected mode is：The hydraulic pump passes through spline connection, the oil of the hydraulic pump with the semiaxis of driving wheel of vehicle
Liquid input pipe is connected to the oil storage cylinder, while the fluid input pipe of the hydraulic pump is by the conduit under fluid pressure and the pressure limiting
The output end of valve is connected with the oil outlet end of braking triggering hydraulic buttery valve, and the fluid efferent duct of the hydraulic pump is connected to
The input of the check valve, and input of the fluid efferent duct of the hydraulic pump by the conduit under fluid pressure and the pressure limiting valve
The oil-inlet end for triggering hydraulic buttery valve with the braking is held to be connected；The oil pressure pipe of the hydraulic cylinder enters oily interface by the liquid
Pressure pipeline is connected with the output end of the check valve, while the oil pressure pipe oil return interface of the hydraulic cylinder passes through the hydraulic tube
Road is connected with the oil-inlet end of throttle triggering hydraulic buttery valve, and the oil outlet end of throttle triggering hydraulic buttery valve passes through institute
State conduit under fluid pressure to be connected with the fluid input pipe of the hydraulic pump, be connected to the oil storage cylinder together；The planetary gear increases
Fast device is connected with the difference speed reducer power input shaft of vehicle, and the tooth bar pull bar of the planet gear speed increaser and the hydraulic cylinder
Push rod be in same level position.
Preferably, being also sequentially provided with a thrust piston and a counter-force piston, the hydraulic cylinder in the cylinder body of the hydraulic cylinder
Push rod one end be arranged with spring and connect with the thrust piston, between the thrust piston and the counter-force piston formed one
Oil storage space, and the counter-force piston is fixed on the cylinder base of the hydraulic cylinder, the oil pressure pipe of the hydraulic cylinder enters oily interface
Respectively the oil storage space is connected to by a pipeline with oil pressure pipe oil return interface.
Preferably, the central gear of the planet gear speed increaser is embedded with an one-way clutch axle, the one-way clutch
Device axle is provided with a plurality of wedge-shaped openings, so as to form a plurality of wedge shapes between the central gear and the one-way clutch axle
Space, is equipped with a roller in each wedge shape space, the planet gear speed increaser is by the one-way clutch axle and institute
The difference speed reducer power input shaft for stating vehicle is connected by spline.
After the technical program, it is an advantage of the current invention that：
1st, energy regenerating when vehicle is braked is realized by using electric hydraulic system and frame for movement, and in vehicle start
Or the conversion output for realizing recovering energy during driving, so as to promote automobile by stopping driving to mobile starting；
2nd, by the compression of hydraulic cylinder spring in automobile brake, the mechanical kinetic energy for reclaiming is needed when realizing braking vehicle
The potential energy for being converted into spring carries out recovery storage；
3rd, the powered of planet gear speed increaser is acted on by hydraulic cylinder, the energy for reclaiming storage is exported to unidirectional
Clutch shaft, and then drive the difference speed reducer power input shaft of vehicle to rotate, so as to realize the recycling that automobile recovers energy.
【Description of the drawings】
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the system connection diagram (each part is in original state in system) of the present invention.
Fig. 2 is the hydraulic cylinder structure profile of one embodiment of the invention.
Fig. 3 is the planet gear speed increaser section of structure of one embodiment of the invention.
Accompanying drawing is marked
100- hydraulic mechanism 200- planet gear speed increaser 300- driving wheel of vehicle semiaxis
400- difference speed reducer power input shaft 201- tooth bar pull bar 1- hydraulic pump
2- check valve 202- central gear 11- fluid input pipe
21- check valve input 203- one-way clutch axle 12- fluid efferent duct
22- check valve output end 204- wedge-shaped opening 3- pressure limiting valve
205- wedge shape space 31- pressure limiting valve output end
206- roller 32- pressure limiting valve input
4- braking triggering hydraulic buttery valve 5- throttle triggering hydraulic buttery valve
41- braking triggering hydraulic buttery valve oil outlet end 51- throttle triggering hydraulic buttery valve oil-inlet end
42- braking triggering hydraulic buttery valve oil-inlet end 52- throttle triggering hydraulic buttery valve oil outlet end
6- oil storage cylinder 7- hydraulic cylinder 71- cylinder body
8- conduit under fluid pressure 72- push rod 711- oil pressure pipe enters oily interface
721- spring 712- oil pressure pipe oil return interface
73- thrust piston 713- pipeline
74- counter-force piston
75- oil storage space
【Specific embodiment】
Refer to shown in Fig. 1, the present invention, a kind of automobile hydraulic start stop system, including 100 He of hydraulic mechanism of two connections
One planet gear speed increaser 200, the planet gear speed increaser 200 are provided with a tooth bar pull bar 201, arbitrary hydraulic press
Structure 100 all includes：Touch including a hydraulic pump 1, a check valve 2, the braking triggering hydraulic buttery valve 4 of a pressure limiting valve 3, a throttle
Lotion pressure electromagnetic valve 5, an oil storage cylinder 6, a hydraulic cylinder 7 and plural bar conduit under fluid pressure 8,71 both sides of cylinder body of the hydraulic cylinder 7 are equal
It is respectively equipped with an oil pressure pipe and enters oily interface 711 and an oil pressure pipe oil return interface 712, in the cylinder body 71 of the hydraulic cylinder 7, is provided with one
Push rod 72；
Its connected mode is：The hydraulic pump 1 is connected by spline (not shown) with driving wheel of vehicle semiaxis 300, described
The fluid input pipe 11 of hydraulic pump 1 is connected to the oil storage cylinder 6, while the fluid input pipe 11 of the hydraulic pump 1 is by described
Conduit under fluid pressure 8 is connected with the oil outlet end 41 of the output end 31 of the pressure limiting valve 3 and the braking triggering hydraulic buttery valve 4, institute
The fluid efferent duct 12 for stating hydraulic pump 1 is connected to the input 21 of the check valve 2, and the fluid efferent duct of the hydraulic pump 1
12 by the conduit under fluid pressure 8 and the input 32 of the pressure limiting valve 3 and the oil-inlet end 42 of the braking triggering hydraulic buttery valve 4
It is connected；The oil pressure pipe of the hydraulic cylinder 7 enters output end 22 of the oily interface 711 by the conduit under fluid pressure 8 and the check valve 2
It is connected, while the oil pressure pipe oil return interface 712 of the hydraulic cylinder 7 triggers hydraulic pressure by the conduit under fluid pressure 8 with the throttle
The oil-inlet end 51 of magnetic valve 5 connects, and the oil outlet end 52 of throttle triggering hydraulic buttery valve 5 by the conduit under fluid pressure 8 with
The fluid input pipe 11 of the hydraulic pump 1 is connected, and is connected to the oil storage cylinder 6 together；The planet gear speed increaser 200 with
The difference speed reducer power input shaft 400 of vehicle connects, and the tooth bar pull bar 201 of the planet gear speed increaser 200 and the liquid
The push rod 72 of cylinder pressure 7 is in same level position.
As shown in Figures 2 and 3, a preferred embodiment of the present invention is：
A thrust piston 73 and a counter-force piston 74, the hydraulic cylinder 7 are also sequentially provided with the cylinder body 71 of the hydraulic cylinder 7
72 one end of push rod be arranged with spring 721 and connect with the thrust piston 73, the thrust piston 73 and the counter-force piston
An oil storage space 75 is formed between 74, and the counter-force piston 74 is fixed on 71 bottom of cylinder body of the hydraulic cylinder 7, the hydraulic pressure
The oil pressure pipe of cylinder 7 enters oily interface 711 and oil pressure pipe oil return interface 712 is connected to the oil storage space by a pipeline 713 respectively
75.
The central gear 202 of the planet gear speed increaser 200 is embedded with an one-way clutch axle 203, described unidirectional from
Clutch axle 203 is provided with a plurality of wedge-shaped openings 204, so as between the central gear 202 and the one-way clutch axle 203
A plurality of wedge shape spaces 205 are formed, in each wedge shape space 205, is equipped with a roller 206, the planet gear speed increaser
The 200 difference speed reducer power input shafts 400 by the one-way clutch axle 203 with the vehicle pass through spline (not shown)
Connect.
The operation principle of the present invention is：
When automobile does not work, each part of the system is in original state, the i.e. storage of conduit under fluid pressure 8 and hydraulic cylinder 7
Fluid is each filled with oily space 75, and throttle triggering hydraulic buttery valve 5 is not worked in rest position (as shown in Figure 1), and braking is touched
Lotion pressure electromagnetic valve 4 does not work and is on position (as shown in Figure 1).When human pilot steps on brake, and vehicle is braked, braking
The triggering energising triggering of hydraulic buttery valve 4, is switched to rest position by initial conduction position, and at this moment hydraulic pump 1 is in vehicle traction
Wheel semiaxis 300 quickly sets up oil pressure under driving, and the oil pressure pipe that liquid is delivered to hydraulic cylinder 7 is entered oily interface by conduit under fluid pressure 8
711 (now the oil pressure pipe oil return interface 712 of hydraulic cylinder 7 ends), as liquid is difficult to compress, internal oil pressure is raised, and promotion is pushed away
Power piston 73 overcomes spring 721 to act on and be compressed which, and (if automobile brake distance is longer, the compression of spring 721 reaches maximum
During value, the output pressure of hydraulic pump 1 is also consequently increased rapidly, if reaching the threshold value of pressure limiting valve 3, pressure limiting valve 3 is started working and made
The system of obtaining keeps the maximum pressure state of regulation, to ensure the safety of system), and then promote the push rod 72 of hydraulic cylinder 7 to be moved out
Move to the tooth bar pull bar 201 of planet gear speed increaser 200, the tooth bar pull bar 201 so as to drive planet gear speed increaser 200 is turned right
Mobile, now the central gear 202 of planet gear speed increaser 200 is rotated counterclockwise by the effect of gear ring meshing relation, and each wedge shape is empty
Between roller 206 in 205 all move towards the wide end portion of wedge shape space 205, central gear 202 is in one-way clutch axle 203
Empty set connects so that the difference speed reducer power input shaft 400 of vehicle is input into without power, i.e., vehicle shutdown, completes automobile brake
When kinetic energy to spring gesture transformation of energy, realize the recovery storage of energy；
When human pilot need to be started to walk again, pedal of stepping on the throttle, braking triggering hydraulic buttery valve 4 quit work, and oily
Door triggering hydraulic buttery valve 5 is started working, and becomes conduction position by initial cutoff position, the hydraulic oil in hydraulic cylinder 7 is carried out
Pressure release, the oil pressure pipe oil return interface 712 of hydraulic cylinder 7 become low pressure return by cut-off, and liquid is connect by the oil pressure pipe oil return of hydraulic cylinder 7
Mouthfuls 712 trigger hydraulic buttery valve 5 through throttle flows back in oil storage cylinder 6 and reclaims (due to the unidirectional output action of check valve 2, therefore liquid
Hydraulic pump will not be flowed back to), therefore the oil pressure in hydraulic cylinder 7 declines rapidly, and spring 721 restPoses and exports elastic force, makes
The push rod 72 for obtaining hydraulic cylinder 7 drives the tooth bar pull bar 201 of planet gear speed increaser 200 toward moving left, and now central gear 202 is received
Gear ring engagement is rotated clockwise, when the rotating speed clockwise of central gear 202 is more than the rotating speed of one-way clutch axle 203,
Under frictional force effect, roller 206 in each wedge shape space 205 is all towards the narrow end portion movement of wedge shape space 205 so that unidirectional from
Clutch axle 203 is driven 203 associated movement clockwise of one-way clutch axle so as to central gear 202, and then is passed through by " locked "
Spline connection relation between the difference speed reducer power input shaft 400 of one-way clutch axle 203 and vehicle drives the subtractive of vehicle
Fast device power input shaft 400 is rotated, i.e. vehicle launch, completes for the elastic potential energy of hydraulic cylinder memory storage to be converted into the dynamic of automobile
Can, realize the recycling for recovering energy.
The present invention, using electric hydraulic and mechanical collective effect, realizes the energy regenerating storage of automobile brake moderating process,
And in vehicle start by the energy conversion output that reclaims, improve capacity usage ratio, energy-conserving and environment-protective, low cost and efficiency high,
Complexity and the high cost design of prior art is avoided, while the present invention can be to existing non-mixed power vehicle, electronic vapour
Car etc. carries out structure of modification, is suitable for the coupling application of multi-vehicle-type, with very high practicality.
Although the foregoing describing the specific embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us are merely exemplary, rather than for the restriction to the scope of the present invention, are familiar with this
Equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, all should cover the present invention's
In scope of the claimed protection.
Claims (3)
1. a kind of automobile hydraulic start stop system, it is characterised in that：The system includes, the hydraulic mechanisms of two connections and a planet tooth
Wheel speed increaser, the planet gear speed increaser are provided with a tooth bar pull bar, and arbitrary hydraulic mechanism all includes：One hydraulic pump,
One check valve, a pressure limiting valve, a braking triggering hydraulic buttery valve, throttle triggering hydraulic buttery valve, an oil storage cylinder, a hydraulic cylinder
With plural bar conduit under fluid pressure, the cylinder body of the hydraulic cylinder is respectively provided on two sides with that an oil pressure pipe enters oily interface and an oil pressure pipe oil return connects
Mouthful, a push rod is provided with the cylinder body of the hydraulic cylinder；
Its connected mode is：The hydraulic pump passes through spline connection with the semiaxis of driving wheel of vehicle, and the fluid of the hydraulic pump is defeated
Enter pipe and the oil storage cylinder is connected to, while the fluid input pipe of the hydraulic pump is by the conduit under fluid pressure and the pressure limiting valve
The oil outlet end of output end and braking triggering hydraulic buttery valve is connected, and the fluid efferent duct of the hydraulic pump is connected to described
The input of check valve, and the fluid efferent duct of the hydraulic pump by the input of the conduit under fluid pressure and the pressure limiting valve and
The oil-inlet end of the braking triggering hydraulic buttery valve is connected；The oil pressure pipe of the hydraulic cylinder enters oily interface by the hydraulic tube
Road is connected with the output end of the check valve, at the same the oil pressure pipe oil return interface of the hydraulic cylinder by the conduit under fluid pressure with
The oil-inlet end of the throttle triggering hydraulic buttery valve connects, and the oil outlet end of throttle triggering hydraulic buttery valve passes through the liquid
Pressure pipeline is connected with the fluid input pipe of the hydraulic pump, is connected to the oil storage cylinder together；The planet gear speed increaser
Connect with the difference speed reducer power input shaft of vehicle, and the tooth bar pull bar of the planet gear speed increaser and pushing away for the hydraulic cylinder
Bar is in same level position.
2. a kind of automobile hydraulic start stop system according to claim 1, it is characterised in that：In the cylinder body of the hydraulic cylinder also
Be sequentially provided with a thrust piston and a counter-force piston, push rod one end of the hydraulic cylinder be arranged with spring and with the thrust piston
Connect, an oil storage space is formed between the thrust piston and the counter-force piston, and the counter-force piston is fixed on the liquid
The cylinder base of cylinder pressure, the oil pressure pipe of the hydraulic cylinder enters oily interface and oil pressure pipe oil return interface is connected to by a pipeline respectively
The oil storage space.
3. a kind of automobile hydraulic start stop system according to claim 1, it is characterised in that：The planet gear speed increaser
Central gear is embedded with an one-way clutch axle, and the one-way clutch axle is provided with a plurality of wedge-shaped openings, so as to described too
A plurality of wedge shape spaces are formed between positive gear and the one-way clutch axle, are equipped with a roller in each wedge shape space,
Difference speed reducer power input shaft of the planet gear speed increaser by the one-way clutch axle with the vehicle passes through spline
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101596.9A CN104709084B (en) | 2015-03-09 | 2015-03-09 | A kind of automobile hydraulic start stop system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101596.9A CN104709084B (en) | 2015-03-09 | 2015-03-09 | A kind of automobile hydraulic start stop system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104709084A CN104709084A (en) | 2015-06-17 |
| CN104709084B true CN104709084B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510101596.9A Expired - Fee Related CN104709084B (en) | 2015-03-09 | 2015-03-09 | A kind of automobile hydraulic start stop system |
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| CN (1) | CN104709084B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999908B (en) * | 2015-07-14 | 2017-06-27 | 福建工程学院 | A kind of electric vehicle brake power recycling system |
| CN106427944A (en) * | 2016-11-21 | 2017-02-22 | 宋忠春 | Automobile braking system |
| CN107458354B (en) * | 2017-08-22 | 2023-08-29 | 张洪延 | Hydraulic spring energy storage driving device and method |
| CN110149028A (en) * | 2018-02-12 | 2019-08-20 | 广州众恋科技有限公司 | A kind of energy recycle device of electric vehicle motor |
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| CN101337499A (en) * | 2008-08-08 | 2009-01-07 | 哈尔滨工业大学 | Vehicle braking kinetic-energy regeneration device |
| CN102616226A (en) * | 2011-01-27 | 2012-08-01 | 株式会社万都 | Electro-hydraulic brake and control method thereof |
| CN102826080A (en) * | 2011-06-15 | 2012-12-19 | 日立汽车系统株式会社 | Brake control apparatus |
| CN204161326U (en) * | 2014-09-15 | 2015-02-18 | 郑州宇通客车股份有限公司 | A kind of bus Brake energy recovery regenerated liquid pressing system |
| CN204488506U (en) * | 2015-03-09 | 2015-07-22 | 福建工程学院 | A kind of automobile hydraulic start stop system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07144619A (en) * | 1993-11-25 | 1995-06-06 | Mitsubishi Motors Corp | Brake energy regenerating device |
| DE102006058357A1 (en) * | 2006-12-11 | 2008-06-12 | Robert Bosch Gmbh | Apparatus for energy recovery |
-
2015
- 2015-03-09 CN CN201510101596.9A patent/CN104709084B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337499A (en) * | 2008-08-08 | 2009-01-07 | 哈尔滨工业大学 | Vehicle braking kinetic-energy regeneration device |
| CN102616226A (en) * | 2011-01-27 | 2012-08-01 | 株式会社万都 | Electro-hydraulic brake and control method thereof |
| CN102826080A (en) * | 2011-06-15 | 2012-12-19 | 日立汽车系统株式会社 | Brake control apparatus |
| CN204161326U (en) * | 2014-09-15 | 2015-02-18 | 郑州宇通客车股份有限公司 | A kind of bus Brake energy recovery regenerated liquid pressing system |
| CN204488506U (en) * | 2015-03-09 | 2015-07-22 | 福建工程学院 | A kind of automobile hydraulic start stop system |
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| CN104709084A (en) | 2015-06-17 |
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