CN216895131U - Hydraulic pressure boost energy memory based on hydraulic transformer - Google Patents
Hydraulic pressure boost energy memory based on hydraulic transformer Download PDFInfo
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- CN216895131U CN216895131U CN202123436949.0U CN202123436949U CN216895131U CN 216895131 U CN216895131 U CN 216895131U CN 202123436949 U CN202123436949 U CN 202123436949U CN 216895131 U CN216895131 U CN 216895131U
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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
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Abstract
The utility model relates to a hydraulic pressure boost energy storage device based on a hydraulic transformer, which relates to a cabin door actuating system and comprises the hydraulic transformer, a safety valve, a switch valve, a pressure reducing valve, a flow limiting valve, a one-way valve and an energy accumulator; hydraulic oil flows into the hydraulic transformer through the oil supply oil way and the flow limiting valve, the output oil of the hydraulic transformer flows into the safety valve and the energy accumulator through the one-way valve respectively, when the actuating system needs instantaneous high power, the switch valve is opened, the high-pressure hydraulic oil in the energy accumulator is reduced to the pressure level suitable for the system through the pressure reducing valve to drive the actuating system, and the safety valve is used for preventing the pressure of the hydraulic oil in the energy accumulator from being ultrahigh. The utility model achieves the action of transient high-power actuation execution by continuously boosting and storing energy with low power.
Description
Technical Field
The utility model belongs to the field of design of an aviation cabin door actuating system, and particularly relates to a hydraulic pressure boosting energy storage device based on a hydraulic transformer.
Background
The modern airplane has higher maneuverability and agility, and the cabin door needs to be opened while the airplane flies in an ultra-maneuvering way. At present, the opening mode of the cabin door is as follows: the host hydraulic system directly drives the valve-controlled motor to drive the cabin door to open, as shown in fig. 1. The cabin door opening mode needs to extract the EDP power of the airplane in real time, and the transient power is too large and even exceeds half of the power of a host hydraulic system. The extractable power of the engine is limited, the cabin doors compete for power with the steering engine, and the power between the cabin doors is competed for power, so that the main side cabin door cannot be opened simultaneously, and the attitude and overload of the airplane are limited when the cabin doors are opened.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is as follows: the hydraulic transformer is adopted to realize the function of boosting and storing energy, so that the power density of the system can be improved, and the installed weight of the system is reduced; the hydraulic transformer is used, so that the mechanical structure is simplified, and the pressurizing energy storage device is convenient to mount and maintain; by adopting a system scheme of pressurizing and storing energy, the peak power and the flow of the hydraulic system are reduced, and the installed power is reduced.
The technical scheme of the utility model is as follows: a hydraulic pressure boost energy storage device based on a hydraulic transformer comprises the hydraulic transformer, a switch valve, a one-way valve and an energy accumulator; the input end of the hydraulic transformer is connected with the airborne hydraulic system, hydraulic oil output by the hydraulic transformer flows into the energy accumulator after passing through the one-way valve, and hydraulic oil output by the outlet of the energy accumulator flows into the driving actuating system after passing through the switch valve.
Preferably, a safety valve is further connected between the one-way valve and the energy accumulator, and an outlet of the safety valve is connected to an oil return oil way.
Preferably, a pressure reducing valve is further arranged between the switch valve and the driving actuating system and used for reducing the pressure of the hydraulic oil released by the energy accumulator to the pressure of the hydraulic oil applicable to the actuating system.
Preferably, the inlet of the hydraulic transformer is further provided with a flow limiting valve, and the flow limiting valve is used for controlling the fixed flow of the hydraulic oil flowing into the hydraulic transformer.
Preferably, the hydraulic transformer is further connected to an onboard oil return end through a pipeline.
Preferably, the outlet pressure of the hydraulic transformer is a constant value.
The working principle of the supercharging energy storage device is as follows: the hydraulic transformer outputs hydraulic oil to fill the energy accumulator through the one-way valve, when the actuating system needs instantaneous high power, the switch valve is opened, the hydraulic oil in the energy accumulator is reduced to the pressure suitable for the actuating system through the pressure reducing valve to drive the actuating system, and the safety valve is used for preventing the pressure of the hydraulic oil in the energy accumulator from exceeding a safety value.
The innovation point and the key point of the utility model are as follows:
(1) the utility model provides a hydraulic pressure boost energy storage device based on a hydraulic transformer, which adopts the hydraulic transformer as a boost element, thereby simplifying the structure of a hydraulic system, reducing the volume and the weight of the hydraulic system and further lightening the weight of an airplane.
(2) The hydraulic transformer can be flexibly designed according to the installation space of the airplane, and the utilization rate of the installation space of a hydraulic system of the airplane is improved.
(3) By adopting a system scheme of pressurizing and storing energy, the peak power and the flow of the hydraulic system are reduced, and the installed power is reduced.
(4) The utility model achieves the action of transient high-power actuation execution by continuously boosting and storing energy with low power.
Drawings
FIG. 1 is a conventional hatch actuation system in which an A-servo valve; b-a hydraulic drive motor; c-a reducer;
FIG. 2 is a schematic diagram of a hydraulic boost energy storage device based on a hydraulic transformer, wherein 1-the hydraulic transformer; 2-safety valve; 3-switching valve; 4-a pressure reducing valve; 5-a flow limiting valve; 6-a one-way valve; 7-an accumulator;
fig. 3 is a schematic diagram of a hydraulic transformer.
Detailed Description
As shown in fig. 2, a hydraulic pressure boost energy storage device based on a hydraulic transformer comprises a hydraulic transformer 1, a safety valve 2, a switch valve 3, a pressure reducing valve 4, a flow limiting valve 5, a one-way valve 6 and an energy accumulator 7; hydraulic oil flows into a hydraulic transformer 1 from an oil supply oil way through a flow limiting valve 5, the hydraulic transformer 1 is driven to rotate at a fixed rotating speed by hydraulic oil with a fixed flow, the hydraulic oil output by the hydraulic transformer 1 flows into a safety valve inlet 2 and an energy accumulator inlet 7 respectively after passing through a one-way valve 6, an onboard oil return oil way is connected to an outlet of the safety valve 2, the hydraulic oil output by an outlet of the energy accumulator 7 flows into an actuating system through a switch valve 3, and the actuating system is driven by the hydraulic oil; the connection in the device realizes oil circuit communication through pipeline connection.
And a pressure reducing valve 4 is arranged behind the energy accumulator 7 to reduce the pressure of the hydraulic oil released by the energy accumulator 7 to the pressure of the hydraulic oil applicable to an actuating system.
The 5-flow limiting valve is used for controlling the hydraulic oil flowing into the hydraulic transformer 1 to be in a fixed flow rate, the hydraulic transformer 1 outputs the hydraulic oil to fill the energy accumulator 7 through the 6-one-way valve, the switch valve 3 is opened when the actuating system needs instantaneous high power, the hydraulic oil in the energy accumulator 7 is reduced to the pressure suitable for the actuating system through the pressure reducing valve 4 to drive the actuating system, and the safety valve 2 is used for preventing the pressure of the hydraulic oil in the energy accumulator 7 from exceeding a safety value.
During specific design, the hydraulic oil pressure at the inlet of the hydraulic transformer 1 is the same as the hydraulic oil pressure of an oil supply oil way, and the working efficiency and the reliability of the whole device are ensured under the condition of not configuring a pressure regulating valve.
When the device is specifically designed, the output pressure of the outlet of the hydraulic transformer 1 is a constant value, so that the subsequent pressure can be conveniently adjusted, the device is in a stable pressure state, and the accidental influence of pressure fluctuation on the device is avoided.
During the specific design, the pressure of the hydraulic oil output from the outlet of the hydraulic transformer 1 is higher than that of the hydraulic oil flowing into the inlet of the hydraulic transformer 1, so as to improve the speed and power of the rear-end drive.
The working principle of the hydraulic transformer is as follows:
the working principle diagram of the hydraulic transformer is shown in fig. 3, a port p1 is connected with an onboard oil supply port, a port D1 and a port D2 are connected with an oil tank together for system oil absorption, and a port p2 is a high-pressure oil port for discharging pressurized high-pressure oil.
What has been described above is merely a preferred embodiment of the utility model; are not exhaustive as to the prior art or conventional means of implementation; it should also be noted that, for those skilled in the art, variations and modifications can be made without departing from the principle of the present invention, and the protection scope of the present invention should also be considered.
Claims (6)
1. A hydraulic pressure boost energy memory based on hydraulic transformer, characterized by, including hydraulic transformer, switching valve, check valve, accumulator; the input end of the hydraulic transformer is connected with the airborne hydraulic system, hydraulic oil output by the hydraulic transformer flows into the energy accumulator after passing through the one-way valve, and hydraulic oil output by the outlet of the energy accumulator flows into the driving actuating system after passing through the switch valve.
2. The hydraulic pressure boosting and energy storing device based on the hydraulic transformer as claimed in claim 1, wherein a safety valve is further connected between the check valve and the energy accumulator, and an outlet of the safety valve is connected to the oil return path.
3. A hydraulic pressure boost storage device based on hydraulic transformer as claimed in claim 1 wherein a pressure reducing valve is provided between the switch valve and the drive actuating system for reducing the pressure of the hydraulic oil released from the accumulator to the pressure of the hydraulic oil available to the actuating system.
4. The hydraulic pressure boost energy storage device based on hydraulic transformer as recited in claim 1, characterized in that said hydraulic transformer inlet is further provided with a flow restriction valve for controlling the hydraulic oil flowing into the hydraulic transformer to a fixed flow rate.
5. A hydraulic transformer-based hydraulic boost energy storage device in accordance with claim 4, wherein said hydraulic transformer is further connected to the onboard return by piping.
6. A hydraulic transformer-based hydraulic boost storage device according to claim 1, wherein the hydraulic transformer outlet output pressure is a constant value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436949.0U CN216895131U (en) | 2021-12-30 | 2021-12-30 | Hydraulic pressure boost energy memory based on hydraulic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436949.0U CN216895131U (en) | 2021-12-30 | 2021-12-30 | Hydraulic pressure boost energy memory based on hydraulic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895131U true CN216895131U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123436949.0U Active CN216895131U (en) | 2021-12-30 | 2021-12-30 | Hydraulic pressure boost energy memory based on hydraulic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216895131U (en) |
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2021
- 2021-12-30 CN CN202123436949.0U patent/CN216895131U/en active Active
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