5results about How to "Stable output flow" patented technology

The invention relates to the technical field of compressed carbon dioxide energy storage, and provides a double-liquid-state storage compressed carbon dioxide energy storage system, which comprises a heat pump loop, a first multi-stream heat regenerator, a compressor, a cooler and a first turbine, a second multi-stream heat regenerator, a second multi-stream heat regenerator, a second multi-stream heat regenerator, a second multi-stream heat regenerator, a second multi-stream heat regenerator, a second multi-stream heat regenerator and a second turbine, and the power generation loop comprises a high-pressure CO2 liquid storage tank, a high-pressure working medium pump, a second multi-stream heat regenerator, a heater, a second turbine, a precooler and a condenser. CO2 flows in the heat pump loop and the power generation loop to serve as a working medium, and low-pressure CO2 liquid and high-pressure CO2 liquid are stored in the low-pressure CO2 liquid storage tank and the high-pressure CO2 liquid storage tank and used for the heat pump loop and the power generation loop respectively. By using the CO2 liquid, the pressure in the tank can be maintained during release, the output flow is ensured, and the output of the system is stable. And meanwhile, CO2 liquid can be output through the high-pressure working medium pump, pressure loss caused by throttling is avoided, and the energy storage efficiency is improved. And through liquid storage tank storage, the storage tank volume can be reduced, and the energy storage cost is reduced.

This invention discloses a hydraulic power module, its application, a hydraulic system, a fire truck, and a method. The hydraulic power module, used in the hydraulic system of a fire truck, is suitable for adjusting various hydraulic components. It includes a pressure signal pipeline for monitoring the pressure values ​​of the hydraulic system and controlling the hydraulic output. The pressure signal pipeline collects dynamic pressure values ​​of the hydraulic system in real time, forming a continuous pressure feedback signal. The pressure feedback signal is compared in real time with a preset target pressure value. If the pressure feedback signal continuously deviates from the target pressure value, a fault signal is issued. This hydraulic power module, by setting multiple hydraulic power sources, allows other hydraulic power sources to provide emergency hydraulic power when one source fails, preventing loss of hydraulic power, improving the stability of the hydraulic system, and providing emergency hydraulic power support. The accumulator absorbs pressure signal peaks, stabilizing the pressure signal.

The present invention discloses a speed regulating valve with dual regulating functions of pressure reduction and throttling, belonging to the technical field of speed regulating valves. A chamber a and a chamber b are arranged in the valve body, a valve core a is slidably connected to the inner wall of chamber a and divides chamber a into an action chamber a and an action chamber b, two ends of a spring a4 are respectively connected to the inner wall of action chamber a and valve core a, and valve core b is slidably connected to the inner wall of chamber b. The beneficial effects of the present invention are as follows: a triangular groove type throttle port made of shape memory alloy is adopted, and the leakage increases due to the increase of oil temperature, and the shape memory alloy deforms with the temperature, so that the triangular groove increases, and the leakage is compensated, thereby stabilizing the output flow; a polyvinyl chloride core is adopted, and when the oil temperature increases, the length of the polyvinyl chloride core increases, pushing the valve core c to move right, increasing the valve port flow, and vice versa, reducing it, thereby changing the oil inlet flow according to the temperature change.

This invention discloses a flow control method, system, storage medium, and device for excavator breakers. The invention adopts a current-to-break level correlation control approach, linking the main pump current with the break level. It is no longer subject to constant power limitation, but only sets a maximum power (i.e., the current engine power) for monitoring. When the nitrogen pressure increases with the impact work, if the current output power of the main pump is less than the current engine power and the difference between the two is greater than a threshold, the main pump current is not adjusted, ensuring that the output flow is basically stable, thereby ensuring a constant break frequency.

The invention discloses a silencing and filtering box body structure of a fan and a working method of the silencing and filtering box body structure, and relates to the technical field of fan equipment, and the box body structure comprises an air inlet cabin body, a working cabin body and an air outlet cabin body which are arranged from top to bottom. A labyrinth type air inlet channel and a filtering unit are sequentially arranged in the air inlet cabin body in the air flow direction. An elastic membrane of the device divides a driving cavity into two chambers which are respectively communicated with a pressure pulsation source and a first filtering cavity, and the elastic membrane can directly act on an elastic core material of a first-stage filtering module through a top opening. When the system runs, the diaphragm can be driven to move periodically by utilizing pressure pulsation of the system or external pressure pulsation, so that the filter element is automatically cleaned. The noise reduction, filtering and self-cleaning functions are highly integrated, the structure is compact, noise can be effectively reduced, vibration can be effectively isolated, the maintenance frequency is remarkably reduced through self-adaptive cleaning, and the fan operation energy efficiency and reliability are improved.