CN203948389U - A kind of electric vehicle hydraulic pressure installation - Google Patents
A kind of electric vehicle hydraulic pressure installation Download PDFInfo
- Publication number
- CN203948389U CN203948389U CN201420238129.1U CN201420238129U CN203948389U CN 203948389 U CN203948389 U CN 203948389U CN 201420238129 U CN201420238129 U CN 201420238129U CN 203948389 U CN203948389 U CN 203948389U
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- valve
- hydraulic
- bye
- pass
- pipeline
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Abstract
The purpose of this utility model is to provide a kind of electric vehicle hydraulic pressure installation, comprise oil hydraulic pump, pipeline, electro-hydraulic reversing valve, one-way conduction valve, relief valve etc., the mechanical energy that this device loses vehicle under retarding braking and descending operating mode is converted in time hydraulic energy and stores, and the hydraulic energy of storage is discharged in the time that starting is accelerated or climbed operating mode at vehicle, be converted to mechanical energy, help motor-driven vehicle to travel; The executive component of hydraulic system is selected reversible volume adjustable hydraulic pump/motor, and the direction control of the required oil hydraulic circuit of energy release adopts electro-hydraulic reversing valve, and several relief valves are used for the instantaneous pressure of buffer system; Pilot operated compound relief valve not only plays the effect in stable hydraulic loop, and can force release in the time that system maintenance uses together with two position two-way valve; Whole device reaction speed is fast, working stability, safe and reliable, the life-span is long, quality is little, compact structure, cost are low etc.
Description
Technical field
The energy that the utility model relates to electric vehicle reclaims field again, relates in particular to a kind of electric vehicle hydraulic pressure installation.
Background technique
At present, the hydraulic energy-saving automobile of countries in the world research and development has different structural type, according to configuration and the compound mode difference of its power transmission system, can be divided into: cascaded structure form, as the BOSCH-REXROTH Hydrostatic Drive System with Secondary Regulation of German M.A.N company, it is simple in structure, easily realizes the control to system different parameters; Parallel-connection structure form, as the Cumulo drive system of Volvo company of Sweden, its controlling unit is simple, and less to automobile change, energy utilization efficiency is high; Hybrid connected structure form, as the CPS system of Japanese Mit-subishi company, its energy-saving effect is best, but system architecture complex forms, and it is large to control difficulty.Adopt capacity usage ratio relatively high herein, and automotive power transmission system is changed to less, the relatively simple parallel-connection structure form of low, the controlling unit of repacking cost.The task of hydraulic system is in order to reclaim the energy again, and domestic hydraulic system imperfection, considers above factor at present, addresses the above problem and just seems very necessary.
Model utility content
The utility model provides a kind of electric vehicle hydraulic pressure installation, by being provided with oil hydraulic pump, and some valves, accumulator and pressure transducer, solved the problem occurring in background technique.
The purpose of this utility model is to provide a kind of electric vehicle hydraulic pressure installation, comprise oil hydraulic pump and the pipeline that is connected all parts, oil hydraulic pump can be also motor, be connected on the pipeline of oil hydraulic pump top and be provided with the first one-way conduction valve, the other end that is connected to the pipeline of the first one-way conduction valve is connected with 3-position 4-way electro-hydraulic reversing valve, and the pipeline the other end that is connected to 3-position 4-way electro-hydraulic reversing valve is connected with accumulator; The pipeline the other end that is connected to oil hydraulic pump below is connected with the second one-way conduction valve, and the other end that is connected to the pipeline of the second one-way conduction valve is connected with oil purifier, and the other end of oil purifier is connected with fuel tank.
Further improve and be: the side on the pipeline of described the first one-way conduction valve and 3-position 4-way electro-hydraulic reversing valve is extended with the first bye-pass, and the end of bye-pass is provided with relief valve, and relief valve end is provided with fuel tank.
Further improve and be: the side on the pipeline between oil hydraulic pump and the second one-way conduction valve is extended with the second bye-pass, and the end of the second bye-pass is connected with relief valve, and relief valve end is provided with fuel tank.
Further improve and be: the side on the pipeline between oil hydraulic pump and the second bye-pass is extended with the 3rd bye-pass, on the 3rd bye-pass, is provided with one-way throttle valve, and the other end of the 3rd bye-pass is connected on 3-position 4-way electro-hydraulic reversing valve.
Further improve and be: between 3-position 4-way electro-hydraulic reversing valve and accumulator, a side of pipeline is extended with the 4th bye-pass, and opposite side is extended with the 5th bye-pass; The other end of the 4th bye-pass is connected with pilot operated compound relief valve, and the other end of pilot operated compound relief valve is connected with Normally closed type two position two-way valve, and the other end of Normally closed type two position two-way valve is connected with fuel tank; The other end of the 5th bye-pass is connected with pressure transducer.
The beneficial effects of the utility model: the mechanical energy that this device loses vehicle under retarding braking and descending operating mode is converted in time hydraulic energy and stores, and the hydraulic energy of storage is discharged in the time that starting is accelerated or climbed operating mode at vehicle, be converted to mechanical energy, help motor-driven vehicle to travel; The executive component of hydraulic system is selected reversible volume adjustable hydraulic pump/motor, and the direction control of the required oil hydraulic circuit of energy release adopts electro-hydraulic reversing valve, and several relief valves are used for the instantaneous pressure of buffer system; Pilot operated compound relief valve not only plays the effect in stable hydraulic loop, and can force release in the time that system maintenance uses together with two position two-way valve; Whole device reaction speed is fast, working stability, safe and reliable, the life-span is long, quality is little, compact structure, cost are low etc.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of the utility model 3-position 4-way electro-hydraulic reversing valve.
Wherein: 1-oil hydraulic pump, 2-pipeline, 3-the first one-way conduction valve, 4-3-position 4-way electro-hydraulic reversing valve, 5-accumulator, 6-the second one-way conduction valve, 7-oil purifier, 8-fuel tank, 9-the first bye-pass, 10-relief valve, 11-the second bye-pass, 12-the 3rd bye-pass, 13-one-way throttle valve, 14-the 4th bye-pass, 15-the 5th bye-pass, 16-pilot operated compound relief valve, 17-Normally closed type two position two-way valve, 18-pressure transducer.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
As illustrated in fig. 1 and 2, the present embodiment provides a kind of electric vehicle hydraulic pressure installation, comprise oil hydraulic pump 1 and the pipeline 2 that is connected all parts, pipeline 2 the other ends that are connected to oil hydraulic pump 1 below are connected with the second one-way conduction valve 6, the other end that is connected to the pipeline 2 of the second one-way conduction valve 6 is connected with oil purifier 7, and the other end of oil purifier 7 is connected with fuel tank 8; Be connected on the pipeline 2 of oil hydraulic pump 1 top and be provided with the first one-way conduction valve 3, the other end that is connected to the pipeline 2 of the first one-way conduction valve 3 is connected with 3-position 4-way electro-hydraulic reversing valve 4, and pipeline 2 the other ends that are connected to 3-position 4-way electro-hydraulic reversing valve 4 are connected with accumulator 5; The end that a side on pipeline 2 between oil hydraulic pump 1 and the second one-way conduction valve 6 is extended with the second bye-pass 11, the second bye-passes 11 is connected with relief valve 10, and relief valve 10 ends are provided with fuel tank 8; A side on the pipeline 2 of the first one-way conduction valve 3 and 3-position 4-way electro-hydraulic reversing valve 4 is extended with the first bye-pass 9, and the end of bye-pass 9 is provided with relief valve 10, and relief valve 10 ends are provided with fuel tank 8; Between 3-position 4-way electro-hydraulic reversing valve 4 and accumulator 5, a side of pipeline 2 is extended with the 4th bye-pass 14, and opposite side is extended with the 5th bye-pass 15; The other end of the 4th bye-pass 14 is connected with pilot operated compound relief valve 16, and the other end of pilot operated compound relief valve 16 is connected with Normally closed type two position two-way valve 17, and the other end of Normally closed type two position two-way valve 17 is connected with fuel tank 8; A side on pipeline between oil hydraulic pump 1 and the second bye-pass 11 is extended with the other end that is provided with one-way throttle valve 13, the three bye-passes 12 on the 3rd bye-pass 12, the three bye-passes 12 and is connected on 3-position 4-way electro-hydraulic reversing valve 4; The other end of the 5th bye-pass 15 is connected with pressure transducer 18; In fuel tank 8, oil enters accumulator accumulation of energy by each valve.The mechanical energy that this device loses vehicle under retarding braking and descending operating mode is converted in time hydraulic energy and stores, and the hydraulic energy of storage is discharged in the time that starting is accelerated or climbed operating mode at vehicle, be converted to mechanical energy, help motor-driven vehicle to travel; The executive component of hydraulic system is selected reversible volume adjustable hydraulic pump 1/ motor, and the direction control of the required oil hydraulic circuit of energy release adopts electro-hydraulic reversing valve, and several relief valves are used for the instantaneous pressure of buffer system; Pilot operated compound relief valve 16 not only plays the effect in stable hydraulic loop, and can force release in the time that system maintenance uses together with two position two-way valve; Whole device reaction speed is fast, working stability, safe and reliable, the life-span is long, quality is little, compact structure, cost are low etc.
Claims (6)
1. an electric vehicle hydraulic pressure installation, comprise oil hydraulic pump (1) and pipeline (2), it is characterized in that: be connected on the pipeline (2) of oil hydraulic pump (1) top and be provided with the first one-way conduction valve (3), the other end that is connected to the pipeline (2) of the first one-way conduction valve (3) is connected with 3-position 4-way electro-hydraulic reversing valve (4), and pipeline (2) the other end that is connected to 3-position 4-way electro-hydraulic reversing valve (4) is connected with accumulator (5); Pipeline (2) the other end that is connected to oil hydraulic pump (1) below is connected with the second one-way conduction valve (6), the other end that is connected to the pipeline (2) of the second one-way conduction valve (6) is connected with oil purifier (7), and the other end of oil purifier (7) is connected with fuel tank (8).
2. a kind of electric vehicle hydraulic pressure installation as claimed in claim 1, it is characterized in that: the side on the pipeline (2) of described the first one-way conduction valve (3) and 3-position 4-way electro-hydraulic reversing valve (4) is extended with the first bye-pass (9), the end of the first bye-pass (9) is provided with relief valve (10), and relief valve (10) end is provided with fuel tank (8).
3. a kind of electric vehicle hydraulic pressure installation as claimed in claim 1, it is characterized in that: the side on the pipeline (2) between described oil hydraulic pump (1) and the second one-way conduction valve (6) is extended with the second bye-pass (11), the end of the second bye-pass (11) is connected with relief valve (10), and relief valve (10) end is provided with fuel tank (8).
4. a kind of electric vehicle hydraulic pressure installation as described in claim 1 or 3, it is characterized in that: the side on the pipeline between described oil hydraulic pump (1) and the second bye-pass (11) is extended with the 3rd bye-pass (12), on the 3rd bye-pass (12), be provided with one-way throttle valve (13), the other end of the 3rd bye-pass (12) is connected on 3-position 4-way electro-hydraulic reversing valve (4).
5. a kind of electric vehicle hydraulic pressure installation as claimed in claim 1, it is characterized in that: between described 3-position 4-way electro-hydraulic reversing valve (4) and accumulator (5), a side of pipeline (2) is extended with the 4th bye-pass (14), opposite side is extended with the 5th bye-pass (15); The other end of the 4th bye-pass (14) is connected with pilot operated compound relief valve (16), is connected with Normally closed type two position two-way valve (17) and fuel tank (8) on pilot operated compound relief valve (16), and the other end of Normally closed type two position two-way valve (17) is connected with fuel tank (8); The other end of the 5th bye-pass (15) is connected with pressure transducer (18).
6. a kind of electric vehicle hydraulic pressure installation as claimed in claim 1, is characterized in that: described oil hydraulic pump (1) can also be motor.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238129.1U CN203948389U (en) | 2014-05-09 | 2014-05-09 | A kind of electric vehicle hydraulic pressure installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238129.1U CN203948389U (en) | 2014-05-09 | 2014-05-09 | A kind of electric vehicle hydraulic pressure installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948389U true CN203948389U (en) | 2014-11-19 |
Family
ID=51890426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238129.1U Expired - Fee Related CN203948389U (en) | 2014-05-09 | 2014-05-09 | A kind of electric vehicle hydraulic pressure installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203948389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712603A (en) * | 2015-03-18 | 2015-06-17 | 徐州重型机械有限公司 | Hydraulic system of autocrane, autocrane and control method |
-
2014
- 2014-05-09 CN CN201420238129.1U patent/CN203948389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712603A (en) * | 2015-03-18 | 2015-06-17 | 徐州重型机械有限公司 | Hydraulic system of autocrane, autocrane and control method |
| CN104712603B (en) * | 2015-03-18 | 2016-12-07 | 徐州重型机械有限公司 | The hydraulic system of a kind of autocrane, autocrane and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |