503 results about "Accumulator (energy)" patented technology

The invention discloses a water energy accumulator and ground source heat pump combined control method, relates to the technical field of building environment and equipment engineering, accurately captures a time sequence change rule of a building cold load based on the load prediction capability of a time convolution network, overcomes the defect that a traditional method is insufficient in response to sudden fluctuation, and improves the control efficiency. The system can plan an energy storage strategy in advance; an electricity price-load change rate sensitivity index is introduced, and through an adaptive weight adjustment mechanism, economic operation and load tracking requirements are dynamically balanced, so that strategy stiffness caused by fixed priorities is avoided, and the utilization efficiency of time-of-use electricity price signals is remarkably improved; according to the joint optimization design of the mixed integer linear programming model, the equipment operation constraint and the cost target are comprehensively considered, the collaborative decision of the energy accumulator charging and discharging strategy and the heat pump frequency setting is realized, and the direct energy supply dependence in the midday high electricity price period is effectively reduced.

The invention discloses a surface scraping type energy storage heat exchanger and a working method thereof, and relates to the technical field of energy accumulators, the surface scraping type energy storage heat exchanger comprises a heat exchanger body and a heat exchanger support, and the heat exchanger body comprises a heat exchanger outer shell, a heat exchanger inner shell, a heat production device, a stirring device, a surface scraping device, a pressurizing device and a protective net; a heat exchange sealed space is formed between the heat exchanger outer shell and the heat exchanger inner shell, a heat transfer working medium inlet and a heat transfer working medium outlet are formed in the heat exchanger outer shell, and a heat conduction medium and a phase change material are contained in the heat exchanger inner shell. The pressurizing device is used for pressing the phase-change material in the solid phase, and the surface scraping device is used for scraping the phase-change material which is attached to the inner wall of the heat exchanger inner shell and becomes the solid phase. The heat transfer efficiency during heat absorption and heat release can be improved, the energy storage efficiency is improved, and the actual use requirement that a heat source is a solid heat flow boundary with a fixed heat load and a fluid temperature boundary with a fixed temperature can be met.

The utility model relates to the technical field of pneumatic control systems, in particular to a single-action pneumatic PST system, which comprises a pneumatic actuating mechanism, a cam valve and an explosion-proof junction box, a valve position transponder is arranged at the front end of the pneumatic actuating mechanism, one end of the cam valve is communicated with a filtering pressure reducing valve, one end of the filtering pressure reducing valve is communicated with a safety valve, and the other end of the filtering pressure reducing valve is communicated with an explosion-proof junction box. And one end of the explosion-proof junction box is connected with a first electromagnetic valve and a second electromagnetic valve respectively. According to the improved single-action pneumatic PST system, the first electromagnetic valve, the hand-operated direction valve and the second electromagnetic valve are adopted, and when the single-action pneumatic PST system is used, flexible control can be conducted when the single-action pneumatic PST system faces complex working conditions and different operation requirements; the explosion-proof junction box and the energy accumulator are adopted, when the single-action pneumatic PST system is used, the electrical safety of the system in a dangerous environment can be guaranteed, meanwhile, the pressure of the system can be kept within a relatively stable range, and the stability of the system during use is improved.

The invention discloses an energy-saving and efficient RTO incinerator, and belongs to the technical field of industrial waste gas purification equipment. Comprising a furnace body and a combustion module, waste gas is evenly sprayed into an airflow channel by 360 degrees from an air inlet to an insertion type airflow switching valve (or a transverse jet airflow uniform distributor and a vertical curtain slit nozzle), bias flow and hot spots are eliminated, and the utilization rate of a heat accumulator is increased by 30% or above; multi-stage physical mixing of spiral rolling, premixing and secondary afterburning is carried out in the combustion chamber, the VOC removal rate is larger than or equal to 99.9%, and VOClt at an outlet is achieved; 5 mg / Nm < 3 >, COlt; 5 mg / Nm < 3 >; the high-thermal-conductivity honeycomb heat accumulator 27 recovers more than or equal to 97% of sensible heat, new waste gas can be directly preheated during reverse switching, and the energy consumption of the system is reduced by 7%-10%; a rotary swing guide plate and a rotary scraper executing mechanism are used for online dust removal, and the continuous operation period is prolonged to 12-15 months from conventional 3-4 months; in the whole process, homogenization, preheating, combustion and trapping are completed only through physical cooperation of geometry-flow field-thermal field, and no catalyst or adsorbent needs to be added.

The invention relates to the field of energy conservation and emission reduction, in particular to a zero-carbon building which comprises a building body, and a heat preservation structure is arranged outside the building body. The carbon dioxide refrigerating and heating system comprises a carbon dioxide system host and a pipeline communicated with the carbon dioxide system host, the carbon dioxide system host is used for converting carbon dioxide, and the pipeline is used for outputting carbon dioxide; the solar cell panel is mounted outside the building main body and supplies power to the host; the heat collector is mounted outside the building main body, so that the carbon dioxide refrigerating and heating system exchanges heat with the outside; the energy accumulator is used for storing heat of the heat collector and / or the carbon dioxide refrigerating and heating system and providing heat for the carbon dioxide refrigerating and heating system; and the energy consumption pieces are all mounted in the building main body and exchange heat with the high-temperature and high-pressure gaseous carbon dioxide or the low-temperature and low-pressure liquid carbon dioxide. The method has the effect of reducing the carbon emission in the daily use process of building facilities.

The utility model discloses an energy-saving high-speed press hydraulic system, and belongs to the technical field of hydraulic systems. Aiming at the problems of low punching speed and high energy consumption of a traditional press hydraulic system, the system provides an energy-saving and efficient scheme integrating servo motor driving, a bag type energy accumulator and multi-stage valve control. The core of the hydraulic system comprises a vertical pushing and lifting oil cylinder, a hydraulic oil pump driven by a servo motor, a Y-shaped meso-position function electro-hydraulic reversing valve, an H-shaped electromagnetic reversing valve, a bag type energy accumulator and an electric valve, wherein the bag type energy accumulator and the electric valve are connected through a bridge type oil pipe. According to the system, energy is stored in the piston rod recovery stage through the energy accumulator, oil is supplied cooperatively with the hydraulic pump during stamping, and high-flow output under low power is achieved. In addition, the safety and the stability of system operation are guaranteed through multi-stage safety valves, pressure sensors and oil filtering / cooling devices on the main oil pipe and the branch oil pipes. According to the design, the punching speed is remarkably increased, energy consumption is reduced, and the device is suitable for intermittent high-speed punching scenes and has high efficiency and energy saving performance.

The utility model belongs to extrusion pin four loop hydraulic technology field, and disclose a kind of extrusion pin four loop hydraulic device, including hydraulic machine spare, the upper surface of hydraulic machine spare is equipped with motor pump group, the surface of hydraulic machine spare is equipped with energy accumulator, the output of motor pump group is equipped with valve group, and the valve group is connected with the hydraulic machine spare, the surface of hydraulic machine spare is equipped with cooling pump group, the valve group with the energy accumulator is connected by pipeline intercommunication, the valve group with the hydraulic machine spare is connected by pipeline intercommunication, the side surface of hydraulic machine spare is equipped with water cooler, the cooling pump group with the water cooler is connected by pipeline intercommunication, the front side of hydraulic machine spare is equipped with liquid level meter, the utility model has can realize four loop processing, avoid unstable pressure and slow response speed and other problems, greatly improve the stability of device when using, the advantages that extrusion pin acting force is uniform.

The invention provides an energy regulation and control method and device of a battery and capacitor composite energy storage pump control system, and relates to the technical field of energy regulation and control of electric engineering machinery, the energy regulation and control device comprises a storage battery, a super capacitor, a direct current converter, a rectification inverter, a permanent magnet synchronous motor, an electric proportional pump motor, an overflow valve, a hydraulic control one-way valve, an energy accumulator and a hydraulic cylinder, a storage battery and a super capacitor form a composite power supply through a direct-current converter, the composite power supply drives a permanent magnet synchronous motor through a rectification inverter and drives an electric proportional pump motor to control a hydraulic cylinder, and by optimizing an energy regulation and control distribution strategy of the composite power supply and combining an energy accumulator, the energy of the hydraulic cylinder is regulated and controlled under the working conditions of starting, braking and high-power fluctuation of engineering machinery. Instantaneous high peak power is preferentially provided or absorbed by the super capacitor, and energy is supplied by the storage battery in a stable working condition. The advantages of high energy density of the battery and high power density of the super capacitor are combined, complex working conditions are effectively handled, stable operation of the system is guaranteed, the service life of the battery is remarkably prolonged, and economical efficiency is improved.

The utility model relates to a kind of slot type solar concentrator hydraulic drive device, including concentrator push-pull oil cylinder and its hydraulic drive system, the oil tank of hydraulic drive system is connected with energy accumulator, concentrator push-pull oil cylinder by motor and pump group unit, high-pressure pipeline, valve control unit, the oil tank is aluminum alloy die-casting oil tank, the aluminum alloy die-casting oil tank upper along with the platform lower surface is sealed, waterproof, dust cover is installed on platform upper portion, platform one side fixed mounting adapter mounting vertical plate, the both sides of waterproof, dust cover are equipped with quick detach buckle, so the connection between dust cover and oil tank is fixed without bolt connection, just press buckle, dust cover can be locked, greatly reduce the work hour amount of disassembly and assembly, improve installation efficiency, save time cost.The utility model is resistant to-40°C low temperature, waterproof and dustproof performance is high, with good protective performance, easy to repair and maintain, can be stable under harsh environment, high precision and high service life.

The invention discloses a graded precise control hydraulic energy storage device, a combined type hydraulic energy storage system and an energy storage method.The graded precise control hydraulic energy storage device comprises a wave energy collecting assembly and a pressure graded conveying energy storage assembly; the pressure grading conveying energy storage assembly comprises a plurality of pressure switches with different starting pressures, a plurality of energy accumulators with different energy storage pressures and a plurality of conveying channels, each energy accumulator is connected with the wave energy collecting assembly through an independent conveying channel, and each conveying channel is provided with one pressure switch; the pressure switch is switched on when the pressure of the water flow is greater than the starting pressure; the multiple energy accumulators comprise the elastic energy accumulator and the heavy-load energy accumulator, the energy storage pressure of the heavy-load energy accumulator is larger than that of the elastic energy accumulator, wave energy of different pressures is stored, and the energy storage limit capacity is sufficient.

The invention discloses a gas-steam combined cycle system with bypass waste heat recovery and a control method thereof. The gas-steam combined cycle system comprises a gas turbine, a waste heat boiler, a steam turbine (comprising a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder) and a condenser, and is additionally provided with a bypass waste heat recovery device. The device is formed by sequentially connecting a low-pressure bypass cooler, a medium-pressure bypass cooler, an ejector, a gas-liquid separator, a gas compressor and a waste heat recovery heat exchanger, the heat absorption sides of the coolers are connected in parallel and then communicated with an inlet of the ejector, and a gas-phase working medium separated by the gas-liquid separator is pressurized by the gas compressor and then enters the waste heat recovery heat exchanger to release heat; the liquid-phase working medium returns to the cooler to form circulation, and the waste heat recovery heat exchanger and the energy accumulator are coupled to store heat. The bypass steam heat is efficiently recovered and stored in the energy accumulator in the start-stop stage of the unit, so that the gas consumption of the unit is remarkably reduced, and the comprehensive utilization efficiency of energy is improved.

Disclosed is an apparatus for controlling communication / separation of air chambers of a spring-loaded pneumatic power tool, said apparatus comprising a cylinder housing (11) and an energy accumulator housing (13), a first air chamber (111) being formed inside of the cylinder housing (11), and a second air chamber (131) being formed inside of the energy accumulator housing (13). A piston striker assembly (6) that can move in the axial direction is arranged in the cylinder housing (11). A lifting wheel (3) and a locking assembly (2) are respectively arranged on two sides of a path of movement of a striker (61), and the lifting wheel (3) and the locking assembly (2) are both controlled by a motor (1). The side on the end at which the cylinder housing (11) is connected to the energy accumulator housing (13) is further provided with an opening / closing valve (14) and a jacking spring (15). Under the action of the jacking spring (15), the opening / closing valve (14) blocks an end surface of the cylinder housing (11), such that the first air chamber (111) is separated from the second air chamber (131). A driving rod (10) is further provided in the energy accumulator housing (13), one end of the driving rod (10) is connected to the opening / closing valve (14) to form a synchronous movement structure, and the other end of the driving rod (10) extends out of the energy accumulator housing (13). The first air chamber (111) and the second air chamber (131) are controlled to be in communication or separated by the movement of the opening / closing valve (14). When the piston striker assembly (6) is in an upper stop position, the opening / closing valve (14) blocks the end surface of the cylinder housing (11). The apparatus bears small initial kinetic energy from false firing, thus having a longer product life and providing higher safety.

The present invention relates to a battery (1), in particular an IoT battery, comprising at least one battery cell (2) for receiving, storing, and discharging energy, an energy interface (3) for connecting the battery (1) to an end device and / or an external energy source, and a controller (4) for controlling the at least one battery cell (2) and / or the energy interface (3). The invention also relates to a method for operating a battery (1). It is proposed that the battery (1) includes an IoT control unit (5), wherein the IoT control unit (5) is configured to generate control commands for the controller (4) and / or status information of the battery (1).

The invention relates to the field of heating furnace production, in particular to a heating furnace heat accumulating type air collecting low-nitrogen combustion system and method.The heating furnace heat accumulating type air collecting low-nitrogen combustion system comprises a furnace body, at least two heat accumulators are installed on the outer wall of the furnace body, each heat accumulator is connected with an air blowing unit and an air inducing unit, and the air blowing unit is used for blowing external air into the furnace body through the heat accumulators; the air inducing unit is used for extracting gas in the furnace body through the heat accumulator; when air is blown into the furnace body or extracted from the furnace body, the air passes through the heat accumulator and exchanges heat with the heat accumulator; the heat accumulator is further connected with an air collecting unit. According to the combustion system, preheating air flows of all the heat accumulators are integrated through the air collection unit, a centralized heat distribution channel is formed, and a closed-loop heat utilization mechanism of high-temperature flue gas heat accumulation, cold air preheating and hot air circulation supply is constructed in cooperation with the alternate switching design that every two heat accumulators form one group; and after being fully absorbed by the heat accumulator, the waste heat of the high-temperature flue gas is completely used for preheating cold air to generate hot air, so that the energy utilization efficiency is improved.

The invention provides a hybrid energy storage power distribution method and system, and belongs to the technical field of power system control, and the method comprises the steps: obtaining a power distribution network energy power prediction signal and power distribution network information; decomposing the energy power prediction signal by using grey wolf algorithm optimized variational mode decomposition to obtain a decomposed signal; performing Hilbert transform on the decomposed signal, determining a high-low frequency demarcation point to obtain a high-frequency component and a low-frequency component, distributing a high-frequency component power signal to a super capacitor, and distributing a low-frequency component power signal to a storage battery; constructing a multi-objective optimized hybrid energy storage adaptive power distribution model based on the power distribution network information and the power signals of the super capacitor and the storage battery, and solving by adopting a particle swarm optimization algorithm to obtain a hybrid energy storage optimal power distribution result; and according to the optimal power distribution result, dispatching instructions are issued to the storage battery and the super capacitor for power distribution. According to the invention, coordinated operation among the energy storage units is realized.

The invention provides a multi-parameter collaborative optimization self-adaptive hydraulic PTO wave energy power generation system. The system comprises a hydraulic energy storage and release PTO unit, a hydraulic motor, a direct-current generator, a detection unit, an optimization unit and a control unit. The hydraulic energy storage and release PTO unit comprises a floater, a hydraulic cylinder and an energy storage unit, the energy storage unit comprises two energy accumulators, and a hydraulic motor drives a direct-current generator to generate power by using pressure potential energy released by the energy accumulators; the detection unit is used for acquiring real-time motion data of the floater and real-time pressure data of the energy accumulator; the optimization unit uses the power-stability combined optimal target function to search and obtain the optimal value of the multi-parameter combination of the wave energy power generation system, and the control unit adjusts the displacement of the hydraulic motor and the load resistance of the direct-current generator based on the optimal value of the multi-parameter combination and switches the energy storage and release processes of each energy accumulator. The power generation system provided by the invention can adaptively realize the optimal output of the generated power while ensuring the stability of power generation.

The utility model discloses a walking beam potential energy recovery energy-saving hydraulic system, and belongs to the technical field of hydraulic pressure. The system comprises a control system, a hydraulic pump, an oil cylinder, an energy accumulator set and a reversing valve set composed of seven reversing valves and proportional valves. The four working modes are switched through the control valve set. Small-flow driving is achieved through a differential loop during no-load rising. When the load rises, the energy accumulator releases pressure oil and supplies the pressure oil to the rodless cavity; when the load descends, oil in the rodless cavity is recycled to the energy accumulator to store potential energy; and oil flows back to the oil tank for circulating cooling during no-load descending. The gravitational potential energy recycling device can recycle gravitational potential energy in the descending process of a mechanical load, when load equipment needs to ascend again, hydraulic pressure of the energy accumulator is released and used for supporting ascending of the load, and the hydraulic energy is converted into the gravitational potential energy again. In the process of switching the system from no-load rising to load rising, pressure impact caused by switching of the reversing valve is limited on the valve group and is not transmitted to an oil cylinder and equipment.

The invention belongs to the technical field of oil pumping unit driving system control, and provides a multi-energy confluence balance system for an oil pumping unit and a control method. Wind energy is directly converted into hydraulic mechanical energy by constructing a wind-liquid energy conversion subsystem driven by a wind wheel, and mechanical rotating power is output through a bidirectional variable hydraulic motor; direct and efficient coupling of unstable wind energy and rotating mechanical systems such as an oil pumping unit is achieved, and secondary conversion loss of energy is avoided; aiming at the periodic change of the load of the oil pumping unit, the system integrates a hydraulic secondary balance power subsystem, adopts a control strategy based on working condition mode recognition and multi-target dynamic optimization, and can automatically recognize the mode and call a matched optimization control law according to the real-time wind speed, the energy state of an energy accumulator and the load demand by defining multiple working condition modes. Therefore, wind energy, energy of the energy accumulator and electric energy of a power grid are intelligently coordinated, and power distribution of energy efficiency according to an optimal principle is realized.

The invention discloses a track tensioning hydraulic control system and a track tensioning hydraulic control method for a large excavator. The system comprises a hydraulic system formed by a first tensioning oil cylinder, a second tensioning oil cylinder, a first tensioning valve group, a first energy accumulator, a second tensioning valve group, a second energy accumulator, a balance valve, a pilot valve, a detection element, a first speed reducer, a first power assembly, a second power assembly, a second speed reducer, a third power assembly, a fourth power assembly and the like. The method comprises the steps that the pressure of an energy accumulator oil charging loop is monitored through a detection element; when the pressure value monitored by the detection element continuously exceeds a first preset pressure threshold value, the controller judges that the unloading tensioning is abnormal; the controller executes a corresponding fault processing program according to the abnormal state; if the pressure is abnormal, an alarm signal is sent out; and if the pressure abnormal state continuously exceeds the first preset duration, a shutdown control signal is output, and the walking system is controlled to stop working. The system is reliable, low in cost and simple in structure.

The invention provides an excavator potential energy recovery hydraulic warm-up filtering system, which belongs to the technical field of excavators, and comprises a selector valve, an oil inlet of the selector valve is respectively connected with a small cavity of a bucket rod oil cylinder and a large cavity of a movable arm oil cylinder through oil pipes, and two oil outlets of the selector valve are respectively connected with an energy accumulator and a recovery oil way through oil pipes; the recycling oil way comprises an oil return motor, the oil return motor is a double-shaft hydraulic motor, an output shaft at one end of the double-shaft hydraulic motor is connected with a circulating pump, an output shaft at the other end of the double-shaft hydraulic motor is connected with a generator, an oil inlet and an oil outlet of the circulating pump are connected with a hydraulic oil tank through circulating oil pipes, and a temperature sensor is arranged on the hydraulic oil tank. And a heater is arranged in the hydraulic oil tank. Potential energy generated when the working device descends can be recycled and converted into electric energy or used for heating and filtering hydraulic oil, and effective utilization of consumed energy is achieved.

The invention relates to an energy supply system, in particular for a vehicle. The invention relates to a power plant (10) comprising an energy store (14) having at least one supercapacitor assembly (16), a consumer / generator assembly (12) for receiving energy from the energy store (14) and for providing energy to be stored in the energy store (14), a charging / discharging unit (26) for conducting energy from the consumer / generator assembly (12) into the energy store (14) in a charging operating state, and an actuation unit (30) for actuating the charging / discharging unit (26). The control unit (30) is designed to control the charging / discharging unit (28) in the charging operating state in order to charge the at least one supercapacitor component (16) to a nominal storage voltage, the nominal storage voltage increasing as the aging of the at least one supercapacitor component (16) increases.

The invention relates to an arrangement (1) of a protective panel (2) in a floor region (3) of an electrically drivable special protective motor vehicle (4), an electrical energy store (14), which is arranged in the floor region (3), is held on a body (5) of the special protective motor vehicle (4) and is at least partially covered downward by the protective plate (2) in the vehicle height direction (8), is protected from explosion impact by means of the protective plate (2), the protective plate (2) is held only on the vehicle body (5) relative to the vehicle body (5) and the electrical energy store (14).

The invention discloses a chained energy storage system and network construction hybrid control method based on state switching. The method comprises the following steps: 1) calculating related voltage, current, inductance and resistance; 2) calculating the number of power modules connected in series and parameters of a direct-current accumulator; 3) calculating a grid-following active current given value through a grid-following active regulator, and calculating a grid-following reactive current given value through a grid-following reactive regulator; 4) calculating given values of active current and reactive current of the network; (5) SCR is calculated through a state switching control unit, and state switching is carried out between network construction and network following; 6) obtaining a three-phase modulation wave through an active current and reactive current decoupling controller and an inter-phase voltage-sharing controller; 7, interphase voltage-sharing control is carried out through the interphase voltage-sharing controller, the switching pulse value of each power unit is obtained, corresponding switching tube driving pulses are generated, and state control is achieved.The method belongs to the technical field of chain type energy storage control, and the problems of overcurrent, voltage abrupt change and power oscillation during switching are avoided.

Systems and methods of implementing a mixed-signal integrated circuit includes sourcing, by a reference signal source, a plurality of analog reference signals along a shared signal communication path to a plurality of local accumulators; producing an electrical charge, at each of the plurality of local accumulators, based on each of the plurality of analog reference signals; adding or subtracting, by each of the plurality of local accumulators, the electrical charge to an energy storage device of each of the plurality of local accumulators over a predetermined period; summing along the shared communication path the electrical charge from the energy storage device of each of the plurality of local accumulators at an end of the predetermined period; and generating an output based on a sum of the electrical charge from each of the plurality of local accumulators.

An electronic device includes an execution circuit and an energy recovery circuit, where the energy recovery circuit includes a relay accumulator and a control switch. And the relay energy storage device is connected with a bus capacitor of the electronic equipment. The control switch is connected with the relay energy storage device and a power supply capacitor of the execution circuit. When the control switch works, the control switch is switched between connection and disconnection according to a preset period, when the control switch is connected, at least part of electric energy in the power supply capacitor is transferred to the relay energy storage device, and when the control switch is disconnected, at least part of electric energy is transferred from the relay energy storage device to the bus capacitor. The electronic equipment provided by the invention has relatively high energy recovery efficiency. The electronic device provided by the invention can be a laser radar.

A method of operating a hydrostatically compensated compressed air energy storage system comprising to inhibit champagne effect conditions, can include charging the system; changing the system into a storage mode; and before a dissolved gas concentration in a layer of compensation liquid exceeds a champagne effect saturation threshold, operating the system in a dilution cycle mode that can include i) discharging at least a portion of the compressed air from the accumulator thereby drawing additional compensation liquid having a lower dissolved gas concentration than the liquid in the layer of compensation liquid into the accumulator, and ii) re-charging the system by conveying additional compressed air into the layer of compressed air in the accumulator thereby displacing a corresponding amount of compensation liquid from the layer of compensation liquid into a compensation liquid flow path and returning the system to the storage mode.

An improved ASHP having an integrated hydronic loop for thermal energy storage is provided. The hydronic loop includes a phase change material storage module to release energy capacity during peak electricity hours. The ASHP further includes an indoor air-to-refrigerant heat exchanger, an outdoor air-to-refrigerant heat exchanger. a refrigerant-to-water heat exchanger, three electronic expansion valves to control refrigerant flow, and a multi-capacity compressor with a suction line accumulator to store excess refrigerant charge. The ASHP includes at least six working modes of operation, including: (1) space cooling mode: (2) cooling energy charge / simultaneous space cooling and cooling energy charge / defrost mode: (3) cooling storage discharge mode: (4) space heating mode: (5) heating energy charge mode: and (6) heating storage discharge mode. This and other embodiments are uniquely suited for residential space cooling, space heating, water heating, and commercial applications with high water heating and space cooling demands.

ON-BOARD POWER SUPPLY UNIT FOR CYCLE On-board power supply unit (1) for vehicle, comprising: - an elongated electric accumulator battery (2) in an elongation direction (II), - a charger (3), fixed to a first end of the electric accumulator battery, having an output connected to said electric accumulator battery, and having an input comprising an electrical connection cable (4), the first end of which is fixed and permanently connected to the charger, and the second end of which is free and provided with a male plug (10) for connection to an external source of electrical energy, - a plug receptacle (5), provided at a second end of the electric accumulator battery (2) and shaped to receive and retain said male plug (10) in a rest position in which the electrical connection cable (4) runs along said electric accumulator battery (2).Figure to be published with the abbreviation: Fig. 1.

The application relates to a new energy automobile "three-electricity" thermal control system based on a loop heat pipe in the technical field of new energy automobile thermal management, which comprises three-electricity components and a loop heat pipe; the three-electricity components comprise an electric drive, an electric control and a battery pack; the loop heat pipe comprises an evaporator assembly, a main condenser, a secondary condenser, a cold plate assembly, a pipeline system and a stop valve; the cold plate assembly comprises an electric control cold plate group and a battery pack cold plate group. The loop heat pipe in the application forms a self-adapting passive phase change heat transfer two-phase fluid loop in the three-electricity components, does not need to provide additional power consumption by a pump, has better energy-saving effect, only needs to control the temperature of a liquid accumulator, and has simple control logic; the system thermal resistance is small, and the temperature uniformity can be guaranteed to be within 1 DEG C.

The invention discloses a servo pump control hydraulic power device with energy recovery and a control method thereof, the device comprises an electro-hydraulic two-way servo pump assembly, a hydraulic cylinder, an oil tank and an energy accumulator, the hydraulic cylinder is used for driving a hydraulic machine or a punching machine sliding block to reciprocate, and an oil cavity is formed in the oil tank and is communicated with an upper cavity of the hydraulic cylinder through a prefill valve. Preferably, an overhead oil tank structure arranged above the end of the hydraulic cylinder is adopted, the oil suction side of the two-way hydraulic pump is communicated with an oil cavity of the oil tank, and two working ports are connected with an upper cavity, a lower cavity and an energy accumulator branch of the hydraulic cylinder respectively. In the self-weight fast descending stage of the sliding block, the two-way hydraulic pump is driven by lower cavity pressure oil to charge the energy accumulator with oil to achieve energy recovery; in the return stroke stage of the sliding block, high-pressure oil released by the energy accumulator and output of the two-way hydraulic pump are superposed to drive the hydraulic cylinder to move, and servo control is achieved in cooperation with displacement and / or force value feedback, so that the acting requirement of the servo motor is lowered, and the system energy efficiency and the structural integration degree are improved.