CN206234175U - Many container type circular energy storage devices - Google Patents
Many container type circular energy storage devices Download PDFInfo
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- CN206234175U CN206234175U CN201621245483.2U CN201621245483U CN206234175U CN 206234175 U CN206234175 U CN 206234175U CN 201621245483 U CN201621245483 U CN 201621245483U CN 206234175 U CN206234175 U CN 206234175U
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- China
- Prior art keywords
- caisson
- hydraulic
- accumulator
- hydraulic oil
- energy storage
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model provides a kind of many container type circular energy storage devices, belongs to vehicle-mounted accumulator technical field.The accumulator includes hydraulic valve bank, air valve group, piston type activity caisson, fixed caisson, hydraulic pump/motor and hydraulic oil container, hydraulic valve bank connection hydraulic oil container, hydraulic pump/motor and piston type activity caisson, piston type activity caisson has multiple, air valve group connection piston type activity caisson and fixed caisson.The accumulator can complete whole energy storing-releasing processes by the combination and control to multiple single accumulators, the hydraulic oil in cyclic utilization system during accumulator energy storing-releasing using the hydraulic oil of single accumulator volume.Compared with prior art, the utility model need to only store a small amount of hydraulic oil, drastically increase the energy density of hydraulic accumulation energy system, extend the range of application of the mixed motor-car of hydraulic pressure.
Description
Technical field
The utility model is related to vehicle-mounted accumulator technical field, particularly relates to a kind of many container type circular energy storage devices.
Background technology
Accumulator is energy storage, the buffer unit commonly used in hydraulic system.In recent years, due to environmental pollution and lack of energy
All wideling popularize new-energy automobile in problem, countries in the world.And hydraulic accumulator because simple and reliable for structure, power density is big,
Low cost, is widely used as the energy storage device of hydraulic pressure and mixed motor-car.
Current vehicle-mounted hydraulic energy-storage system is mainly single accumulator or the double accumulator combining structures of high pressure-low pressure, accumulation of energy
Gas in device does certain Volume Changes, it is necessary to the hydraulic oil of equivalent.Thus for Large Copacity vehicle-mounted hydraulic energy-storage system,
Except accumulator itself, it is also contemplated that the storage of large volume hydraulic oil, this seriously reduces the energy density of hydraulic accumulation energy system,
Reduce the range of application of the mixed motor-car of hydraulic pressure.
Utility model content
The utility model provides a kind of many container type circular energy storage devices, and existing product can be overcome to need storage and accumulator gas
The problem of body changeable volume equivalent hydraulic oil.
The accumulator includes hydraulic valve bank, air valve group, piston type activity caisson, fixed caisson, hydraulic pump
And hydraulic oil container, no less than two, the hydraulic interface of piston type activity caisson passes through hydraulic pressure to piston type activity caisson
Valve group accesses hydraulic pump and hydraulic oil container, and the inflatable interface of piston type activity caisson accesses air and fixation by air valve group
Formula caisson.
Wherein, above-mentioned hydraulic pump is release can be under operating mode by motor in place.
Piston type activity caisson is gas cylinder separated type piston power accumulator.Fixed caisson is an independent gas
Bottle.
The accumulator is recycled by combination and control to multiple single accumulators during accumulator energy storing-releasing
Hydraulic oil in system, whole energy storing-releasing processes can be completed using the hydraulic oil of single accumulator volume.
Above-mentioned technical proposal of the present utility model has the beneficial effect that：
In such scheme, a small amount of hydraulic oil only need to be stored, drastically increase the energy density of hydraulic accumulation energy system, expanded
The range of application of the mixed motor-car of hydraulic pressure is opened up.
Brief description of the drawings
Fig. 1 is many container type circular energy storage device structural representations of the present utility model；
Fig. 2 is the utility model accumulator energy storage operating mode one and releases energy operating mode three condition schematic diagram；
Fig. 3 is the utility model accumulator energy storage operating mode two and releases energy operating mode two-state schematic diagram；
Fig. 4 is the utility model accumulator energy storage operating mode three and releases the energy view of operating mode one.
Wherein：1- hydraulic valve banks；2- air valve groups；3- piston types activity caisson；The fixed caissons of 4-；5- hydraulic pressure
Pump；6- hydraulic oil containers.
Specific embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model provides a kind of many container type circular energy storage devices.
As shown in figure 1, piston type activity caisson 3 is no less than two, piston type activity caisson 3 in the accumulator
Hydraulic interface by hydraulic valve bank 1 access hydraulic pump 5 and hydraulic oil container 6, piston type activity caisson 3 inflatable interface lead to
Cross air valve group 2 and access air and fixed caisson 4.
Wherein, hydraulic pump 5 is release can be under operating mode by motor in place.Piston type activity caisson 3 is lived for gas cylinder separated type
Plug accumulator, fixed caisson 4 is an independent gas cylinder.
The piston type activity quantity of caisson 3 is optional, and its quantity of the timing of accumulator cumulative volume one is more, the liquid that system needs
Force feed is fewer.
The utility model principle is illustrated below in conjunction with the accompanying drawings.
Under energy storage operating mode, system is first operated in energy storage operating mode as shown in Figure 2 once, and hydraulic pump 5 is inhaled from hydraulic oil container 6
Hydraulic oil press-in upper piston cylinder is taken, the gases at high pressure in piston cylinder are compressed up to piston and reach low order end；Then system is entered
Enter energy storage operating mode two as shown in Figure 3, hydraulic pump 5 is pressed into middle part piston cylinder, upper piston from upper piston cylinder draw oil
The inflatable interface of cylinder accesses air, and the gases at high pressure in the piston cylinder of middle part are compressed up to piston and reach low order end；Final system
Into energy storage operating mode three as shown in Figure 4, hydraulic pump 5 from middle part piston cylinder draw oil press-in lower piston cylinder, live by middle part
The inflatable interface of plug cylinder accesses air, and the gases at high pressure in lower piston cylinder are compressed up to piston and reach low order end, completes complete
The energy stores in portion.
Release can under operating mode, system be first operated in it is as shown in Figure 4 release can operating mode once, the piston of lower piston cylinder is bullied
Body pushed at high pressure hydraulic oil enters middle part piston cylinder after driving hydraulic motor, and the inflatable interface of middle part piston cylinder accesses air, under
High pressure gas expansion in portion's piston cylinder is until piston reaches high order end；Then system releases energy operating mode two into as shown in Figure 3,
The piston of middle part piston cylinder enters upper piston cylinder after being driven hydraulic motor by gas pushed at high pressure hydraulic oil, upper piston cylinder
Inflatable interface accesses air, and the high pressure gas expansion in the piston cylinder of middle part is until piston reaches high order end；Final system enters such as
Energy operating mode three is released shown in Fig. 1, the piston of upper piston cylinder enters liquid after being driven hydraulic motor by gas pushed at high pressure hydraulic oil
Force feed case, the high pressure gas expansion in upper piston cylinder is until piston reaches high order end, the whole energy release of completion.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (4)
1. a kind of many container type circular energy storage devices, it is characterised in that：Including hydraulic valve bank (1), air valve group (2), piston type activity
Caisson (3), fixed caisson (4), hydraulic pump (5) and hydraulic oil container (6), piston type activity caisson (3) is no
Less than two, the hydraulic interface of piston type activity caisson (3) accesses hydraulic pump (5) and hydraulic oil by hydraulic valve bank (1)
Case (6), the inflatable interface of piston type activity caisson (3) accesses air and fixed caisson by air valve group (2)
(4)。
2. many container type circular energy storage devices according to claim 1, it is characterised in that：The hydraulic pump (5) is releasing energy work
By motor in place under condition.
3. many container type circular energy storage devices according to claim 1, it is characterised in that：The piston type activity caisson
(3) it is gas cylinder separated type piston power accumulator.
4. many container type circular energy storage devices according to claim 1, it is characterised in that：The fixed caisson (4)
It is an independent gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245483.2U CN206234175U (en) | 2016-11-17 | 2016-11-17 | Many container type circular energy storage devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245483.2U CN206234175U (en) | 2016-11-17 | 2016-11-17 | Many container type circular energy storage devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234175U true CN206234175U (en) | 2017-06-09 |
Family
ID=58990473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621245483.2U Active CN206234175U (en) | 2016-11-17 | 2016-11-17 | Many container type circular energy storage devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120320A (en) * | 2017-04-19 | 2017-09-01 | 北京科技大学 | A kind of many container type circular energy storage devices and its energy storing-releasing method |
-
2016
- 2016-11-17 CN CN201621245483.2U patent/CN206234175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120320A (en) * | 2017-04-19 | 2017-09-01 | 北京科技大学 | A kind of many container type circular energy storage devices and its energy storing-releasing method |
| CN107120320B (en) * | 2017-04-19 | 2018-09-14 | 北京科技大学 | A kind of more container type circular energy storage devices and its energy storing-releasing method |
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