35results about How to "Meet different load requirements" patented technology

The invention relates to a system based on a differentiated service network and an IPv6 extension head for realizing autonomous QoS (quality of service) and a method thereof. The creative feature of the method lies in: a service terminal is provided with a service sensing component for sensing the service type and flow feature of a service data message to be transmitted; and the service sensing component takes the IPv6 QoS extension head to bear a sensed service flow parameter, adds the IPv6 QoS extension head in the service data message and transmits the service data message to a network. Aningress edge node is provided with an IPv6 QoS extension head detector for fast checking the service data message accessing the network and judging whether the service data message bears the IPv6 QoSextension head, and a service QoS self-configuration component for extracting service information born in the IPv6 header of service data message and the IPV6 QoS extension head and updating a service data table adaptively according to extracted information. A classifier and a marker of the edge node respectively conduct classification, marking and parameter configuration of a flow controlling mechanism to the service data message according to the service information table, thereby providing support to QoS guarantee and realizing autonomous QoS.

The invention discloses an air-cooling water chiller comprising a compressor, an air-cooling condenser, a liquid storage tank, a hydraulic filling type evaporator, an expansion valve and a water chiller control system, wherein a liquid level meter is installed on the liquid storage tank, and a liquid level signal of the liquid level meter is input to the water chiller control system and is linked with the expansion valve for controlling the circulation quantity of a refrigerant. The liquid level meter is installed on the liquid storage tank, and an electric signal of the liquid level meter is linked with the expansion valve to control the circulation quantity of the refrigerant so as to meet different load demands of users and greatly improve the energy efficiency of part of loads; a supercooler is added in the water chiller to perform supercooling treatment on the refrigerant entering the hydraulic filling type evaporator so as to further improve the energy efficiency; and the refrigerant in the liquid storage tank is connected with a liquid jet opening of the compressor to guarantee complete supercooling of a liquid jet pipe of the compressor so as to guarantee the normal work of the compressor. Compared with the prior art, the water chiller has the advantages of having a simple structure, a low manufacturing cost and convenience for installation, accurately controlling the circulation quantity of the refrigerant, guaranteeing the normal work of the compressor and prolonging the service life of the whole water chiller.

The invention discloses an overrunning clutch and a driving device, belonging to the technical field of mechanical transmission devices. The overrunning clutch includes: a shaft sleeve, a positioning pin, a plurality of one-way clutches, and a limit mechanism, and the one-way clutch includes a one-way clutch body and a wedge for realizing one-way transmission between the one-way clutch and the shaft sleeve. The one-way clutch body is provided with at least one positioning pin hole for cooperating with the positioning pin, the axis direction of the positioning pin hole is parallel to the axial direction of the one-way clutch body, and the positioning pin hole is a through hole. The present invention forms an overrunning clutch by a shaft sleeve, a positioning pin, a plurality of one-way clutches, and a limit mechanism. When the overrunning clutch is applied in a gear transmission system, there is no need to add additional flow servo for the hydraulic oil driving these hydraulic motors. The control device can not only save the manufacturing cost of the gear transmission system, but also simplify the structure of the gear transmission system and increase the working stability of the gear transmission system.

The invention discloses an on-vehicle machine set integrated with electricity generation and air compression, which comprises a generator, a speed reduction gear box, a radiator, an internal-combustion engine and an air compressor, wherein the generator, the speed reduction gear box, the radiator, the internal-combustion engine and the air compressor are fixedly arranged on a support base; the first output end of the internal-combustion engine is connected with the air compressor through a clutch and a first shaft joint; the second output end of the internal-combustion engine is connected withthe input end of the speed reduction gear box through a second shaft joint; and the speed reduction gear box is provided with two output units, a first output unit is connected with the radiator, anda second output unit is connected with the generator through a third shaft joint. The machine set adopts the air compressor to increase the function of outputting compressed air of an electric generating set, and makes the electric generating set multifunctional and achieve wider application range. The proper redistribution of the relative position of the generator, the internal-combustion engineand the air compressor makes the structure of a product more compact. Moreover, the shaft joint and the speed reduction gear box adopted further improve the connection reliability and operation stability.

Bottom plate built-in rail shock absorber and its design method, including bottom plate, top plate, rubber layer and elastic clips that cooperate with the top plate to press the steel rail, characterized in that the bottom plate is placed in the top plate, and vulcanized by the rubber layer and the top plate Connection, the vulcanized connection surfaces of the bottom plate and the top plate are sloped, and the bottom plate is provided with anchor holes for fixing with sleepers. In the present invention, the bottom plate is arranged in the top plate, that is, the installation position of the track damper is designed inside the product, and the requirement for the installation size of the sleeper is reduced. Lateral rigidity, realizing the adjustable stiffness of the rail shock absorber, reducing the probability of permanent deformation of the rubber layer, improving the reliability of the rail shock absorber, simpler vulcanization molding, lower requirements for molds, processes, and equipment, and improving The lateral restraint performance of the rail shock absorber improves the safe driving performance of the road section with small curve radius.

The invention relates to the technical field of psychrometer testing rooms, and discloses an energy-saving refrigeration device for a psychrometer testing room. The energy-saving refrigeration device comprises a temperature adjusting module and a humidity adjusting module, wherein the temperature adjusting module comprises a temperature sensor, a temperature controller connected with the temperature sensor, as well as a heating device and a refrigeration device which are connected with the temperature controller; the refrigeration device consists of a compressor, a heat recycling coiled tube, a condenser, an electronic expansion valve and a refrigeration coiled tube which are connected end to end; the heat recycling coiled tube is provided with a variable frequency fan which is connected with the temperature controller; a pressure sensor is arranged at the outlet of the refrigeration coiled tube; the humidity adjusting module comprises a humidity sensor, a humidity controller connected with the humidity sensor, a humidification device connected with the humidity controller, and an evaporation pressure controller; the evaporation pressure controller is respectively connected with the electronic expansion valve and the pressure sensor. By adopting the energy-saving refrigeration device, the condensation heat recycling and latent heat property of a refrigeration system of a fixed frequency working condition machine set can be adjusted, and the electric consumption of invalid cooling capacity and invalid dehumidification in the working condition adjusting process is reduced.

The invention relates to an equal-section blade main and auxiliary spring assembly. The equal-section blade main and auxiliary spring assembly comprises an FRP main spring blade, spring eyes, a frontlining, an upper cover plate, a lower base plate, a rear lining, soft base plates and an FRP auxiliary spring blade, wherein one spring eye is fixedly arranged at each of the two ends of the FRP mainspring blade; the front lining and the rear lining are separately arranged in the spring eyes; the FRP auxiliary spring blade is arranged on the FRP main spring blade, and is fixedly connected with the FRP main spring blade through the upper cover plate and the lower base plate; and the soft base plates are arranged between the upper cover plate and the FRP auxiliary spring main body, between theFRP auxiliary spring blade and the FRP main spring blade as well as between the FRP main spring blade and the lower base plate. A plate spring made of an FRP composite material does not break completely at a time, so that vehicle travelling safety is guaranteed, weight of a plate spring suspension frame is greatly reduced, and fuel oil effect is improved; and vehicle travelling smoothness is improved, and the service life of the longitudinal plate spring suspension frame is prolonged.

The invention discloses a device and method for performing distributed energy utilization on molten salt stored energy and belongs to the technical field of photo-thermal power generation. The device comprises molten salt heat storage tanks and a steam generator, and the molten salt heat storage tanks are internally provided with electric heaters, drainage pipes and molten salt pumps; the steam generator is provided with a heat source inlet, a heat source outlet, a cooling water inlet and a stream outlet; the electric heaters are connected with electric signal processing equipment through wires; the drainage pipes are connected with the heat source outlet through first pipes, and the molten salt pumps are connected with the heat source inlet through second pipes; the cooling water inlet is connected with a water source through a third pipe; and the steam outlet is connected with a steam turbine, a steam converter, a heating heat supply network and a lithium bromide unit correspondingly through fourth pipes. By means of the device, renewable resources can be effectively utilized, the energy comprehensive utilization rate is high, the occupied area is small, the cost is low, emission of various pollutants is reduced, and good economic and social benefits are achieved.

The embodiment of the present invention provides a fuel cell system control method and system, which solves the problems that the prior art cannot cope with various load requirements and cannot efficiently utilize the high power density characteristics of the fuel cell. A method for controlling a fuel cell system provided by an embodiment of the present invention is applicable to a fuel cell system including a fuel cell unit and a storage battery unit. The method includes: controlling the output power supplied by the fuel cell unit to a load within a limit power; when the load When the required power is greater than the limited power of the fuel cell unit, the battery unit is controlled to supply the remaining power required by the load.

Embodiments of the present invention are directed toward a reciprocating compressor having a high pressure storage vessel let down for a CNG station for refueling motor vehicles, wherein the CNG station design utilizes inlet gas from a local gas utility. By supplementing the inlet gas with a pressure let down in order to de-pressurize the gas from a high-pressure storage vessel, the CNG station has the ability to increase and adjust its flow capacity.

The invention discloses a spring self-balancing assistance mechanical hand. The spring self-balancing assistance mechanical hand is composed of a movable trolley, a five-freedom-degree series mechanical arm and a spring balancing system. The five-freedom-degree series mechanical arm is fixed to the movable trolley through a base on a waist joint, the spring balancing system is located behind the five-freedom-degree series mechanical arm, and an installation supporting seat in a spring adjusting support assembly of the spring balancing system is fixedly installed on a rotary disc of the waist joint. The spring self-balancing assistance mechanical hand has the advantages that the defects that an existing assistance mechanical hand is high in manufacturing cost, a power unit is complex, and the assistance mechanical hand is not suitable for handy simple working places are overcome, and the mechanical hand is mainly used for carrying materials in handy occasions, simple in structure, easy to operate, adjustable in load and high in adaptability; materials can move in space through the five-freedom-degree mechanical arm, the spring balancing system is used for balancing loads and achieving the assistance effect, a mechanism can be balanced in any position, the initial length of a spring is changed by adjusting the lead screw nut mechanism, and different load requirements are met.

The invention discloses an air conditioning system. The air-conditioning system includes a compressor (1), an indoor heat exchange device, an outdoor heat exchange device (2), a throttling device and an ejector (3). The ejector (3) includes an inlet, an injection inlet and an outlet, and the ejector ( The inlet of 3) is connected to the pipeline between the outdoor heat exchange device (2) and the indoor heat exchange device, the outlet of the ejector (3) is connected to the suction end of the compressor (1), and the outlet of the ejector (3) The injection port can be selectively connected to the outlet of the indoor heat exchange device or the outlet of the outdoor heat exchange device (2). According to the air conditioning system of the present invention, the problems in the prior art that the overall energy consumption of the air conditioner increases and the comprehensive capacity coefficient decreases can be solved.