CN110118206A - A kind of new type hydraulic accumulator control loop - Google Patents
A kind of new type hydraulic accumulator control loop Download PDFInfo
- Publication number
- CN110118206A CN110118206A CN201910444343.XA CN201910444343A CN110118206A CN 110118206 A CN110118206 A CN 110118206A CN 201910444343 A CN201910444343 A CN 201910444343A CN 110118206 A CN110118206 A CN 110118206A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- mouth
- booster
- port
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
Abstract
The invention discloses a kind of hydraulic accumulator operating pressure control loops, it is characterised in that: including the first solenoid valve, the first booster, second solenoid valve, third solenoid valve, the second booster, the 4th solenoid valve, the 5th solenoid valve, third booster, the 6th solenoid valve, the 7th solenoid valve, the 8th solenoid valve, the 4th booster, the 9th solenoid valve, the tenth solenoid valve, the 5th booster, the 11st solenoid valve, the 12nd solenoid valve, the 6th booster, the 13rd solenoid valve, hydraulic accumulator, pressure sensor, external hydraulic circuit, controller.The present invention can be effectively improved hydraulic accumulator outlet pressure and change violent problem, reduce impact of the hydraulic accumulator for main hydraulic circuit, practicability with higher.
Description
Technical field
The present invention relates to hydraulic system field of energy-saving technology, specifically, are related to a kind of new type hydraulic accumulator control
Circuit.
Background technique
Hydraulic accumulator is a kind of common hydraulic accumulation energy element in hydraulic system, can be stored with the hydraulic of certain pressure
Oil.When hydraulic accumulator inner fluid pressure is lower, and Hydraulic System Oil hydraulic coupling is higher, hydraulic accumulator then absorbs high pressure
Oil；When hydraulic accumulator inner fluid pressure is higher, and Hydraulic System Oil hydraulic coupling is lower, the releasable high pressure oil of accumulator.
Since absorbing and releasing for the pressure oil in existing hydraulic accumulator is passively completed, cause in its work
Generate in the process following insufficient: (1) hydraulic accumulator power density is high and energy density is low；(2) hydraulic accumulator is absorbed and is released
Internal oil pressure oscillation is big during putting；(3) course of work poor controllability etc. of hydraulic accumulator.
Therefore, for the deficiency of existing hydraulic accumulator, propose that a kind of new type hydraulic accumulator control loop has weight
The practical value wanted.
Summary of the invention
The invention discloses a kind of hydraulic accumulator operating pressure control loops, it is characterised in that: including the first solenoid valve,
First booster, second solenoid valve, third solenoid valve, the second booster, the 4th solenoid valve, the 5th solenoid valve, third booster,
6th solenoid valve, the 7th solenoid valve, the 8th solenoid valve, the 4th booster, the 9th solenoid valve, the tenth solenoid valve, the 5th booster,
11st solenoid valve, the 12nd solenoid valve, the 6th booster, the 13rd solenoid valve, hydraulic accumulator, pressure sensor, outside
Hydraulic circuit, controller；Hydraulic accumulator A mouth, the 5th electromagnetism with the A of the first solenoid valve mouth, third solenoid valve respectively
The A mouth of valve, the A mouth of the 7th solenoid valve, the A mouth of the 8th solenoid valve, the tenth solenoid valve, the 12nd solenoid valve A mouth, pressure sensing
The measuring mouth of device is connected；The B mouth of first solenoid valve is connected with the end X of the first booster, the end Y and second of the first booster
The A mouth of solenoid valve is connected；The B mouth of the third solenoid valve is connected with the end X of the second booster, the end Y of the second booster and the
The A mouth of four solenoid valves is connected；The B mouth of 5th solenoid valve is connected with the end X of third booster, the end Y of third booster with
The A mouth of 6th solenoid valve is connected；The B mouth of 8th solenoid valve is connected with the end Y of the 4th booster, the end X of the 4th booster
It is connected with the A mouth of the 9th solenoid valve；The B mouth of tenth solenoid valve is connected with the end Y of the 5th booster, the X of the 5th booster
End is connected with the A mouth of the 11st solenoid valve；The B mouth of 12nd solenoid valve is connected with the end Y of the 6th booster, the 6th pressurization
The end X of device is connected with the A mouth of the 13rd solenoid valve；The connector in the external hydraulic circuit respectively with the B of third solenoid valve mouth,
The B mouth of 4th solenoid valve, the B mouth of the 6th solenoid valve, the B mouth of the 7th solenoid valve, the 9th solenoid valve B mouth, the 11st solenoid valve
B, the 13rd solenoid valve B mouth be connected；The port C1 of the controller respectively with include the first solenoid valve control mouth, second
The control mouth of solenoid valve is connected；The port C2 of the controller control with the control mouth of third solenoid valve, the 4th solenoid valve respectively
Donsole is connected；The port C3 of the controller is connected with the control mouth of the 5th solenoid valve, the control mouth of the 6th solenoid valve respectively；Institute
The port C4 for stating controller is connected with the control mouth of the 7th solenoid valve；The port C5 of the controller respectively with the 8th solenoid valve
Control mouth, the control mouth of the 9th solenoid valve are connected；The port C6 of the controller respectively with the control mouth of the tenth solenoid valve, the tenth
The control mouth of one solenoid valve is connected；The port C7 of the controller is connected with the 12nd solenoid valve, the 13rd solenoid valve respectively；Institute
The port R1 for stating controller is connected with the signal output port of pressure sensor.
Preferably, the first booster, the second booster, third booster, the 4th booster, the 5th booster, the 6th increase
The ratio between the effective active area and the effective active area at the end Y at the end X of depressor are respectively 2:1,5:3,4:3,4:3,5:3,2:1.
Preferably, piston-type hydro-pneumatic accumulator or bladder hydro pneumatic accumulator can be used in hydraulic accumulator.
Preferably, the first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 5th solenoid valve, the 6th electricity
Magnet valve, the 7th solenoid valve, the 8th solenoid valve, the 9th solenoid valve, the tenth solenoid valve, the 5th booster, the 11st solenoid valve, the tenth
Two solenoid valves, the 13rd solenoid valve are high-speed electromagnetic valve.
Preferably, the measurement range of pressure sensor is 0 to 150MPa.
Preferably, port C1, C2, C3, C4, C5, C6 of controller can only export " open-minded " and " shutdown " two to solenoid valve
Kind signal.
Preferably, port C1, C2, C3, C4, C5, C6 of controller only have a terminal in the hydraulic accumulator course of work
Mouth output " open-minded " signal, remaining port exports out " shutdown " signal；Port C1, C2, C3, C4, C5, C6 of controller are hydraulic
Whole ports export " shutdown " signal in accumulator stopped process.
The present invention can be effectively improved hydraulic accumulator outlet pressure and change violent problem, reduce hydraulic accumulator pair
In the impact of main hydraulic circuit, practicability with higher.
Detailed description of the invention
Fig. 1 is the hydraulic schematic diagram of control loop in the present invention.
It is marked in figure as follows:
The first solenoid valve of 1-；The first booster of 2-；3- second solenoid valve；4- third solenoid valve；The second booster of 5-；The 4th electricity of 6-
Magnet valve；The 5th solenoid valve of 7-；8- third booster；The 6th solenoid valve of 9-；The 7th solenoid valve of 10-, the 8th solenoid valve of 11-, 12-
Four boosters, the 9th solenoid valve of 13-, the tenth solenoid valve of 14-, the 5th booster of 15-, the 11st solenoid valve of 16-, 17- the 12nd
Solenoid valve, the 6th booster of 18-, the 13rd solenoid valve of 19-, 20- hydraulic accumulator, 21- pressure sensor, 22- external hydraulic
Circuit, 23- controller.
Specific embodiment
As shown in Figure 1, a kind of hydraulic accumulator operating pressure control loop, including the first solenoid valve 1, the first booster 2,
Second solenoid valve 3, third solenoid valve 4, the second booster 5, the 4th solenoid valve 6, the 5th solenoid valve 7, third booster the 8, the 6th
Solenoid valve 9, the 7th solenoid valve 10, the 8th solenoid valve 11, the 4th booster 12, the 9th solenoid valve 13, the tenth solenoid valve the 14, the 5th
Booster 15, the 11st solenoid valve 16, the 12nd solenoid valve 17, the 6th booster 18, the 13rd solenoid valve 19, hydraulic accumulator
20, pressure sensor 21, external hydraulic circuit 22, controller 23；The hydraulic accumulator 20 A with the first solenoid valve 1 respectively
Mouth, the A mouth of third solenoid valve 4, the A mouth of the 5th solenoid valve 7, the A mouth of the 7th solenoid valve 10, the A mouth of the 8th solenoid valve 11, the tenth
Solenoid valve 14, the A mouth of the 12nd solenoid valve 17, the measuring mouth of pressure sensor 21 are connected；The B mouth of first solenoid valve 1 with
The end X of first booster 2 is connected, and the end Y of the first booster 2 is connected with the A of second solenoid valve 3 mouth；The third solenoid valve 4
B mouthfuls are connected with the end X of the second booster 5, and the end Y of the second booster 5 is connected with the A mouth of the 4th solenoid valve 6；5th electromagnetism
The B mouth of valve 7 is connected with the end X of third booster 8, and the end Y of third booster 8 is connected with the A mouth of the 6th solenoid valve 9；Described
The B mouth of eight solenoid valves 11 is connected with the end Y of the 4th booster 12, the end X of the 4th booster 12 and the A mouth phase of the 9th solenoid valve 13
Even；The B mouth of tenth solenoid valve 14 is connected with the end Y of the 5th booster 15, the end X of the 5th booster 15 and the 11st electromagnetism
The A mouth of valve 16 is connected；The B mouth of 12nd solenoid valve 17 is connected with the end Y of the 6th booster 18, the X of the 6th booster 18
End is connected with the A mouth of the 13rd solenoid valve 16；The connector in the external hydraulic circuit 22 respectively with the B of third solenoid valve 4 mouth,
B mouth, the B mouth of the 6th solenoid valve 9, the B mouth of the 7th solenoid valve 10, the B mouth of the 9th solenoid valve 13, the 11st of 4th solenoid valve 6
The B mouth of solenoid valve 16, the B mouth of the 13rd solenoid valve 19 are connected；The port C1 of the controller 23 is respectively and including the first electromagnetism
Control mouth, the control mouth of second solenoid valve 3 of valve 1 are connected；The port C2 of the controller 23 control with third solenoid valve 4 respectively
Donsole, the control mouth of the 4th solenoid valve 6 are connected；The port C3 of the controller 23 respectively with the control mouth of the 5th solenoid valve 7,
The control mouth of six solenoid valves 9 is connected；The port C4 of the controller 23 is connected with the control mouth of the 7th solenoid valve 10；The control
The port C5 of device 23 is connected with the control mouth of the 8th solenoid valve 11, the control mouth of the 9th solenoid valve 13 respectively；The controller 23
Port C6 be connected respectively with the control mouth of the tenth solenoid valve 14, the control mouth of the 11st solenoid valve 16；The controller 23
Port C7 is connected with the 12nd solenoid valve 17, the 13rd solenoid valve 19 respectively；The port R1 and pressure sensing of the controller 23
The signal output port of device 21 is connected.
First booster 2, the second booster 5, third booster 8, the 4th booster 12, the 5th booster the 15, the 6th increase
The ratio between the effective active area and the effective active area at the end Y at the end X of depressor 18 are respectively 2:1,5:3,4:3,4:3,5:3,2:
1。
Piston-type hydro-pneumatic accumulator or bladder hydro pneumatic accumulator can be used in hydraulic accumulator 20.
First solenoid valve 1, second solenoid valve 3, third solenoid valve 4, the 4th solenoid valve 6, the 5th solenoid valve 7, the 6th electromagnetism
Valve 9, the 7th solenoid valve 10, the 8th solenoid valve 11, the 9th solenoid valve 13, the tenth solenoid valve 14), the 5th booster the 15, the 11st
Solenoid valve 16, the 12nd solenoid valve 17, the 13rd solenoid valve 19 are high-speed electromagnetic valve.
The measurement range of pressure sensor 21 is 0 to 150MPa.
Port C1, C2, C3, C4, C5, C6 of controller 23 can only export " open-minded " and " shutdown " two kinds of letters to solenoid valve
Number.
Port C1, C2, C3, C4, C5, C6 of controller 23 only have a road port defeated in 20 course of work of hydraulic accumulator
" open-minded " signal out, remaining port export " shutdown " signal；Port C1, C2, C3, C4, C5, C6 of controller 23 are in hydraulic energy-accumulating
Whole ports export " shutdown " signal in 20 stopped process of device.
Working principle of the present invention is as follows:
(1) energy absorption process
The first step, 23 port C1 of controller export " open-minded " signal to the first solenoid valve 1 and second solenoid valve 3, and outer liquid pushes back
The hydraulic oil on road 22 enters the end Y of the first booster 2 through second solenoid valve 3, by the end the X hydraulic oil of the first booster 2 through first
Solenoid valve 1 exports, into hydraulic accumulator 20；
Second step, 23 port C2 of controller export " open-minded " signal to third solenoid valve 4 and the 4th solenoid valve 6, and outer liquid pushes back
The hydraulic oil on road 22 enters the end Y of the second booster 5 through the 4th solenoid valve 6, by the end the X hydraulic oil of the second booster 5 through third
Solenoid valve 4 exports, into hydraulic accumulator 20；
Third step, 23 port C3 of controller export " open-minded " signal to the 5th solenoid valve 7 and the 6th solenoid valve 9, and outer liquid pushes back
The hydraulic oil on road 22 enters the end Y of third booster 8 through the 6th solenoid valve 9, by the end the X hydraulic oil of third booster 8 through the 5th
Solenoid valve 7 exports, into hydraulic accumulator 20；
4th step, 23 port C4 of controller export " open-minded " signal, the hydraulic oil in external hydraulic circuit 22 to the 7th solenoid valve 10
Enter hydraulic accumulator 20 through the 6th solenoid valve 9；
5th step, 23 port C5 of controller export " open-minded " signal, external hydraulic to the 8th solenoid valve 11 and the 9th solenoid valve 13
The hydraulic oil in circuit 22 enters the end X of the 4th booster 12 through the 9th solenoid valve 12, and the end the Y hydraulic oil of the 4th booster 12 is passed through
8th solenoid valve 11 output, into hydraulic accumulator 20；
6th step, 23 port C6 of controller export " open-minded " signal, outer liquid to the tenth solenoid valve 14 and the 11st solenoid valve 16
The hydraulic oil for pushing back road 22 enters the end X of the 5th booster 15 through the 11st solenoid valve 16, and the end Y of the 5th booster 15 is hydraulic
Oil is exported through the tenth solenoid valve 14, into hydraulic accumulator 20；
7th step, 23 port C7 of controller exports " open-minded " signal to the 12nd solenoid valve 17 and the 13rd solenoid valve 19, external
The hydraulic oil of hydraulic circuit 22 enters the end X of the 6th booster 18 through the 13rd solenoid valve 19, by the end the Y liquid of the 6th booster 18
Pressure oil is exported through the 12nd solenoid valve 17, into hydraulic accumulator 20；
(2) energy release process
The first step, 23 port C7 of controller exports " open-minded " signal to the 12nd solenoid valve 17 and the 13rd solenoid valve 19, hydraulic
The hydraulic oil of accumulator 20 enters the end Y of the 6th booster 18 through the 12nd solenoid valve 17, and the end X of the 6th booster 18 is hydraulic
Oil is exported through the 13rd solenoid valve 19, into external hydraulic circuit 22；
Second step, 23 port C6 of controller export " open-minded " signal, hydraulic storage to the tenth solenoid valve 14 and the 11st solenoid valve 16
The hydraulic oil of energy device 20 enters the end Y of the 5th booster 15 through the tenth solenoid valve 14, and the end the X hydraulic oil of the 5th booster 15 is passed through
11 solenoid valves 16 output, into external hydraulic circuit 22；
Third step, 23 port C5 of controller export " open-minded " signal, hydraulic energy-accumulating to the 8th solenoid valve 11 and the 9th solenoid valve 13
The hydraulic oil of device 20 enters the end Y of the 4th booster 12 through the 8th solenoid valve 11, by the end the X hydraulic oil of the 4th booster 12 through ten
One solenoid valve 13 output, into external hydraulic circuit 22；
4th step, 23 port C4 of controller export " open-minded " signal, the hydraulic oil warp of hydraulic accumulator 20 to the 7th solenoid valve 10
6th solenoid valve 9 enters external hydraulic circuit 22；
5th step, 23 port C3 of controller export " open-minded " signal, hydraulic accumulator to the 5th solenoid valve 7 and the 6th solenoid valve 9
20 hydraulic oil enters the end X of third booster 8 through the 5th solenoid valve 7, by the end the Y hydraulic oil of third booster 8 through the 6th electricity
Magnet valve 9 exports, into external hydraulic circuit 22；
6th step, 23 port C2 of controller export " open-minded " signal, hydraulic accumulator to third solenoid valve 4 and the 4th solenoid valve 6
20 hydraulic oil enters the end X of the second booster 5 through third solenoid valve 4, by the end the Y hydraulic oil of the second booster 5 through the 4th electricity
Magnet valve 6 exports, into external hydraulic circuit 22；
7th step, 23 port C1 of controller export " open-minded " signal, hydraulic accumulator to the first solenoid valve 1 and second solenoid valve 3
20 hydraulic oil enters the end X of the first booster 2 through the first solenoid valve 1, by the end the Y hydraulic oil of the first booster 2 through the second electricity
Magnet valve 3 exports, into external hydraulic circuit 22.
Claims (7)
1. a kind of hydraulic accumulator operating pressure control loop, it is characterised in that: including the first solenoid valve (1), the first booster
(2), second solenoid valve (3), third solenoid valve (4), the second booster (5), the 4th solenoid valve (6), the 5th solenoid valve (7),
Three boosters (8), the 6th solenoid valve (9), the 7th solenoid valve (10), the 8th solenoid valve (11), the 4th booster (12), the 9th electricity
Magnet valve (13), the tenth solenoid valve (14), the 5th booster (15), the 11st solenoid valve (16), the 12nd solenoid valve (17), the 6th
Booster (18), the 13rd solenoid valve (19), hydraulic accumulator (20), pressure sensor (21), external hydraulic circuit (22), control
Device (23) processed；
The hydraulic accumulator (20) A mouth, the 5th solenoid valve with the A mouth of the first solenoid valve (1), third solenoid valve (4) respectively
(7) A mouth, the tenth solenoid valve (14), the 12nd solenoid valve of the A mouth of A mouth, the 7th solenoid valve (10), the 8th solenoid valve (11)
(17) measuring mouth of A mouth, pressure sensor (21) is connected；
The B mouth of first solenoid valve (1) is connected with the end X of the first booster (2), the end Y of the first booster (2) and the second electricity
The A mouth of magnet valve (3) is connected；The B mouth of the third solenoid valve (4) is connected with the end X of the second booster (5), the second booster (5)
The end Y be connected with the A mouth of the 4th solenoid valve (6)；The B mouth of 5th solenoid valve (7) is connected with the end X of third booster (8),
The end Y of third booster (8) is connected with the A mouth of the 6th solenoid valve (9)；The B mouth of 8th solenoid valve (11) and the 4th pressurization
The end Y of device (12) is connected, and the end X of the 4th booster (12) is connected with the A mouth of the 9th solenoid valve (13)；Tenth solenoid valve
(14) B mouth is connected with the end Y of the 5th booster (15), the end X of the 5th booster (15) and the A mouth of the 11st solenoid valve (16)
It is connected；The B mouth of 12nd solenoid valve (17) is connected with the end Y of the 6th booster (18), the end X of the 6th booster (18) with
The A mouth of 13rd solenoid valve (16) is connected；
The connector of the external hydraulic circuit (22) respectively with the B mouth of third solenoid valve (4), the 4th solenoid valve (6) B mouth,
The B mouth of 6th solenoid valve (9), the B mouth of the 7th solenoid valve (10), the B mouth of the 9th solenoid valve (13), the 11st solenoid valve (16)
B mouthfuls, the B mouth of the 13rd solenoid valve (19) is connected；
The port C1 of the controller (23) control with the control mouth, second solenoid valve (3) that include the first solenoid valve (1) respectively
Mouth is connected；The port C2 of the controller (23) control with the control mouth of third solenoid valve (4), the 4th solenoid valve (6) respectively
Mouth is connected；The port C3 of the controller (23) control with the control mouth, the 6th solenoid valve (9) of the 5th solenoid valve (7) respectively
Mouth is connected；The port C4 of the controller (23) is connected with the control mouth of the 7th solenoid valve (10)；The end of the controller (23)
Mouth C5 is connected with the control mouth of the 8th solenoid valve (11), the control mouth of the 9th solenoid valve (13) respectively；The controller (23)
Port C6 is connected with the control mouth of the tenth solenoid valve (14), the control mouth of the 11st solenoid valve (16) respectively；The controller
(23) port C7 is connected with the 12nd solenoid valve (17), the 13rd solenoid valve (19) respectively；The port of the controller (23)
R1 is connected with the signal output port of pressure sensor (21).
2. a kind of hydraulic accumulator operating pressure control loop according to right 1, it is characterised in that: the first booster (2),
The end X of two boosters (5), third booster (8), the 4th booster (12), the 5th booster (15), the 6th booster (18)
The ratio between effective active area and the effective active area at the end Y are respectively 2:1,5:3,4:3,4:3,5:3,2:1.
3. a kind of hydraulic accumulator operating pressure control loop according to right 1, it is characterised in that: hydraulic accumulator (20) can
Using piston-type hydro-pneumatic accumulator or bladder hydro pneumatic accumulator.
4. a kind of hydraulic accumulator operating pressure control loop according to right 1, it is characterised in that: the first solenoid valve (1),
Two solenoid valves (3), third solenoid valve (4), the 4th solenoid valve (6), the 5th solenoid valve (7), the 6th solenoid valve (9), the 7th electromagnetism
Valve (10), the 8th solenoid valve (11), the 9th solenoid valve (13), the tenth solenoid valve (14), the 5th booster (15), the 11st electromagnetism
Valve (16), the 12nd solenoid valve (17), the 13rd solenoid valve (19) are high-speed electromagnetic valve.
5. a kind of hydraulic accumulator operating pressure control loop according to right 1, it is characterised in that: pressure sensor (21)
Measurement range is 0 to 150MPa.
6. a kind of hydraulic accumulator operating pressure control loop according to right 1, it is characterised in that: the port of controller (23)
C1, C2, C3, C4, C5, C6 can only export " open-minded " and " shutdown " two kinds of signals to solenoid valve.
7. a kind of hydraulic accumulator operating pressure control loop according to right 1 and right 4, it is characterised in that: controller
(23) port C1, C2, C3, C4, C5, C6 only has " open-minded " letter of road port output in hydraulic accumulator (20) course of work
Number, remaining port exports " shutdown " signal；Port C1, C2, C3, C4, C5, C6 of controller (23) are in hydraulic accumulator (20)
Whole ports export " shutdown " signal in stopped process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444343.XA CN110118206B (en) | 2019-05-27 | 2019-05-27 | Novel hydraulic accumulator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910444343.XA CN110118206B (en) | 2019-05-27 | 2019-05-27 | Novel hydraulic accumulator control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118206A true CN110118206A (en) | 2019-08-13 |
| CN110118206B CN110118206B (en) | 2020-07-24 |
Family
ID=67523287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910444343.XA Active CN110118206B (en) | 2019-05-27 | 2019-05-27 | Novel hydraulic accumulator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118206B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971027A (en) * | 1996-07-01 | 1999-10-26 | Wisconsin Alumni Research Foundation | Accumulator for energy storage and delivery at multiple pressures |
| FR2978215A1 (en) * | 2011-07-19 | 2013-01-25 | Peugeot Citroen Automobiles Sa | Closed hydraulic system for hybrid vehicle, has pressure reduction jack whose chamber provided with small section is connected to high pressure part and chamber provided with large section is connected to low pressure part |
| CN103615443A (en) * | 2013-12-03 | 2014-03-05 | 三一汽车制造有限公司 | Energy recovery hydraulic system and engineering machine |
| CN103703257A (en) * | 2011-06-28 | 2014-04-02 | 卡特彼勒公司 | Hydraulic control system having swing motor energy recovery |
| WO2017084792A1 (en) * | 2015-11-20 | 2017-05-26 | Robert Bosch Gmbh | Energy storage system |
| CN107044455A (en) * | 2017-03-27 | 2017-08-15 | 华侨大学 | A kind of hydraulic accumulator pressure active control system and control method |
-
2019
- 2019-05-27 CN CN201910444343.XA patent/CN110118206B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971027A (en) * | 1996-07-01 | 1999-10-26 | Wisconsin Alumni Research Foundation | Accumulator for energy storage and delivery at multiple pressures |
| CN103703257A (en) * | 2011-06-28 | 2014-04-02 | 卡特彼勒公司 | Hydraulic control system having swing motor energy recovery |
| FR2978215A1 (en) * | 2011-07-19 | 2013-01-25 | Peugeot Citroen Automobiles Sa | Closed hydraulic system for hybrid vehicle, has pressure reduction jack whose chamber provided with small section is connected to high pressure part and chamber provided with large section is connected to low pressure part |
| CN103615443A (en) * | 2013-12-03 | 2014-03-05 | 三一汽车制造有限公司 | Energy recovery hydraulic system and engineering machine |
| WO2017084792A1 (en) * | 2015-11-20 | 2017-05-26 | Robert Bosch Gmbh | Energy storage system |
| CN107044455A (en) * | 2017-03-27 | 2017-08-15 | 华侨大学 | A kind of hydraulic accumulator pressure active control system and control method |
Non-Patent Citations (1)
| Title |
|---|
| BEACHLEY等: "Design of a Free-Piston Engine-Pump", 《SOCIETY OF AUTOMOTIVE ENGINEERS》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110118206B (en) | 2020-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016453B (en) | Impulse test system of hydraulic hose | |
| CN105484778A (en) | Hydraulic support stand column energy-saving circuit and control method | |
| CN105757027B (en) | A kind of plug-in system integration block of automatic start-stop formula hydraulic station | |
| CN110118206A (en) | A kind of new type hydraulic accumulator control loop | |
| CN206281639U (en) | A kind of hydraulic brake caliper consumption liquid measure Auto-Test System based on pressure differential | |
| CN207315767U (en) | A kind of simple dynamics control system of cylinder | |
| CN111649022A (en) | Single-cylinder bolt control valve group, horizontal bar bolt control system and crane | |
| CN208885654U (en) | A kind of energy accumulator station | |
| CN107933539B (en) | Air suspension vehicle load sensing valve system and control method thereof | |
| CN103192816A (en) | Multichannel control pressure relay valve | |
| CN203508981U (en) | Pressurizing-type energy accumulator | |
| CN105351260A (en) | Gas-liquid mixed multistage high-speed catapult | |
| CN201671902U (en) | Control device of suspension arm hydraulic oil cylinder | |
| CN202146994U (en) | Air charging structure of die casting machine | |
| CN203549080U (en) | Quantitative pneumatic valve | |
| CN203476848U (en) | Low-noise hydraulic load simulation device | |
| CN207605323U (en) | A kind of undismayed soft-ball | |
| CN206299895U (en) | Counting, energy-saving high-vacuum electromagnetic valve | |
| CN201201584Y (en) | Pressure control valve of buffer air inlet system for automobile | |
| CN206478155U (en) | The all-hydraulic folding and unfolding shock mitigation system of amphibious vehicle wheel | |
| CN202628687U (en) | Energy-saving system for working device | |
| CN207647879U (en) | A kind of integrated electromagnetic valve group | |
| CN107939754B (en) | A kind of single-crystal diamond Superhigh Pressure Hydraulic System | |
| CN201866338U (en) | Master-slave type check valve bank of ultrahigh pressure water generating device | |
| CN220470354U (en) | Oil circuit system for multi-slider die casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |