16results about How to "Reduce self-consumption" patented technology

According to the electrochemical energy storage waste heat closed circulation comprehensive utilization system and the working method thereof, an electrochemical energy storage heat source and geothermal energy are subjected to advantage complementation, the system is environmentally friendly, and the energy utilization efficiency and economical efficiency can be improved. The input end heat exchanger is connected with a geothermal source buried pipe system; an outlet of the geothermal source buried pipe system is divided into two paths, one path is connected with the input end heat exchanger, and the other path is connected with the temperature control valve through a fourth valve. The compressor is connected with the input end heat exchanger and the output end heat exchanger, and the output end heat exchanger is connected with the input end heat exchanger and the heat preservation water tank. A cooling medium outlet of the battery system is divided into two paths, one path is connected with the geothermal source buried pipe system through a first valve, the other path is connected with an output end heat exchanger through a second valve, and the output end heat exchanger is connected with a temperature control valve through a third valve. The temperature control valve is connected with the cold liquid box and the cooler, the cold liquid box is connected with the battery system, and the cooler is connected with the cold liquid box.

The invention discloses a fan blade gas heat deicing system which comprises a heater and an air blower which are installed in a blade, an air inlet of the heater is connected with an air outlet of the air blower, an air outlet of the heater is communicated with an air inlet of an air guide pipe, an air outlet of the air guide pipe points to the blade tip direction, and a hard air pipe is adopted at the front end of the air guide pipe. The rear end of the air guide pipe is provided with a soft air pipe, an air inlet of the hard air pipe is communicated with an air outlet of the heater, an air outlet of the hard air pipe is communicated with an air inlet of the soft air pipe, the soft air pipe is arranged in a blade front edge cavity, a plurality of air guide holes are formed in the position, facing the blade front edge, of the soft air pipe, and when no hot air exists, the air guide holes are communicated with the hard air pipe. And when hot air exists, the flexible air pipe is stretched to be close to the blade tip or the blocked position of the blade tip. The air guide pipe can extend to the blade tip, the deicing effect of the blade tip is enhanced, a new hot air backflow channel can be constructed in the blade blocked by the blade tip, and the air heat deicing effect is achieved.

The invention provides an intelligent electronic switch, an integrated circuit chip, a chip product and an automobile, in the intelligent electronic switch, in a normal working mode, a logic control unit drives a main power switch to be turned on through a first driving unit, and in a bypass mode, the logic control unit drives the main power switch to be turned on through a second driving unit; the logic control unit controls the bypass switch to be turned on and turned off through the current-limiting driving unit and controls the main power switch to be turned off through the first driving unit; wherein the area occupied by the bypass switch is smaller than that occupied by the main power switch, the value of current flowing through the bypass switch in the bypass mode is smaller than or equal to a first current limiting value set by the current limiting driving unit, and the first current limiting value is smaller than the maximum value of current flowing through the main power switch in the normal working mode. In the scheme, the self power consumption of the intelligent electronic switch in the bypass mode is smaller than that of the intelligent electronic switch in the normal working mode, and the bypass loop and the main loop do not interfere with each other during operation, so that the performance stability and reliability of the intelligent electronic switch are ensured.

The present application belongs to the technical field of heat exchange and immersion energy storage system, and provides a heat exchange system, an immersion energy storage system and a temperature control method for achieving the purpose of ensuring temperature control effect and reducing power consumption, which comprises an air conditioning system and a natural cooling system, the natural cooling system comprises a natural cooling coil, a three-way valve and a controller for switching the passage of the three-way valve, the evaporator of the air conditioning system is centrally embedded in a heat exchange container, and the heat exchange pipe of the evaporator is close to the surface of the heat exchange container; the heat exchange container is respectively provided with an inlet and an outlet at both ends for the inflow and outflow of heat exchange medium; the first port, the second port and the third port of the three-way valve are respectively used for inputting heat exchange medium, connecting the inlet and connecting the inlet end of the natural cooling coil; the outlet end of the natural cooling coil is connected in parallel to the passage of the three-way valve and the inlet. The whole battery pack is immersed in insulating liquid, the insulating liquid is used as heat exchange medium, and the heat exchange system of the present application is used for heat exchange.

The invention provides an intelligent electronic switch, an integrated circuit chip, a chip product and an automobile, and the intelligent electronic switch comprises a power supply end, a power grounding end, a load output end, a control circuit and a switching circuit, and also comprises a first function end and a second function end, and the first function end and the second function end are connected with the control circuit; when the first function end receives a first signal and the second function end receives a second signal, the control circuit controls the intelligent electronic switch to enter a bypass mode, and the first function end and the second function end comprise any two of an input end, a diagnosis enabling end, a function selection end and a diagnosis relieving end. In the scheme, the intelligent electronic switch multiplexes the original terminal to enter the bypass mode, the peripheral application does not need to be changed, the cost is low, and the self power consumption of the intelligent electronic switch can be reduced on the premise of providing a load current path to the outside, so that the overall power consumption of equipment where the intelligent electronic switch is located is reduced.

The application discloses a direct-current self-holding electronic switch with under-voltage, over-current and short-circuit protection functions, which comprises a power conversion circuit, a self-holding circuit, an under-voltage driving circuit, an over-current and short-circuit driving circuit, a module switch circuit, an input connector P1 and an output connector P2. The application has the advantages of small driving signal power, wide driving voltage range, simple circuit structure, small size, light weight and convenient installation. In addition, the application uses mature industrial devices such as resistors, capacitors, diodes, MOS tubes and optical couplings, and has low cost and high reliability.

The present invention belongs to the field of deicing of fan blades, and specifically relates to a fan blade deicing system and method, including a fan, a heater, a three-way pipe I and a three-way pipe II, wherein pipe Ia of the three-way pipe I is connected to an air inlet of the fan, pipes Ib and Ic are respectively connected to the inside of the fan blade and the outside of a manhole baffle, pipe IIa of the three-way pipe II is connected to an air outlet of the fan, pipes IIb and IIc are respectively connected to the heater and the outside of the manhole baffle, the air outlet of the heater is located inside the fan blade, and valves are arranged on pipes Ib, Ic, IIb and IIc. The present invention can firstly deform the fan blade surface by inflation-exhaust cycle, remove most of the ice in a short time, and then perform gas-heat deicing for a relatively short time, remove the ice remaining from the deformed deicing and difficult to remove, and well combine the blade surface deformation deicing with gas-heat deicing, and has a simple and reliable structure, high efficiency, and can effectively save deicing time.

The application provides a mobile energy storage charging off-grid self-power supply system with black start capability and a control method thereof, and belongs to the field of distributed energy. The mobile energy storage charging off-grid self-power supply system with black start capability comprises a self-power-off control panel, a BMS master control panel, a DC-DC converter and a 4PIN starting interface. The self-power-off control panel is provided with a photoelectric coupler. The self-power-off control panel is provided with a master control area and an auxiliary power supply circuit. The master control area of the self-power-off control panel is provided with a button cell and a 4PIN starting interface. Through the self-power-off control panel architecture, the black start logic architecture and the self-power-off logic architecture, the system-level safe self-destruction and emergency rapid recovery under the premise of meeting the VDE-AR-E 2510-50 standard are realized. The problems of safe self-destruction, low-power standby of the mobile energy storage system under an extreme under-voltage state and forced wake-up and system reconstruction when the external power supply and communication link are lost are solved.

The utility model discloses a miniature air pump for VOC on-line detection, relates to the technical field of VOC detection equipment, and aims to solve the technical problem that the service life of an existing VOC on-line detection pump is shortened during working, the miniature air pump comprises a pump unit and a driving unit, the pump unit comprises a pump body, a pump assembly and a rear cover, and the pump assembly comprises a diaphragm, a valve lower plate, a valve body and a valve upper plate; the driving unit comprises a brushless motor, an eccentric wheel and a transmission rod. The brushless motor is adopted, the requirement for the service life of 24-hour continuous long-term work is met, the upper end of the transmission rod is connected with the center hole of the diaphragm through the long connecting rod, the swing angle is reduced, then the service life of the diaphragm is prolonged, and work for overcoming diaphragm deformation is reduced; a bearing is arranged at the rear end of the pump and used for sharing the stress condition of the motor shaft so as to prolong the service life of the brushless motor; the rib structure is arranged on the diaphragm, so that the strength of the diaphragm is enhanced, the consumption of the pump is reduced, and the pump can work normally at low temperature.

The invention provides an intelligent electronic switch, an integrated circuit chip, a chip product and an automobile, the intelligent electronic switch can work in different working modes, and the working state of an internal functional circuit is controlled according to the working mode, for example, the intelligent electronic switch comprises a control circuit and a diagnosis circuit, so that the intelligent electronic switch can work in a normal working mode, and the intelligent electronic switch can work in different working modes. In the first diagnosis mode, the control circuit controls the diagnosis circuit to work in the first diagnosis state, in the bypass mode, the control circuit controls the diagnosis circuit to work in the second diagnosis state, and the power consumption of the diagnosis circuit working in the second diagnosis state is smaller than that of the diagnosis circuit working in the second diagnosis state. At least on the basis that the working states of other circuits in the intelligent electronic switch are consistent, the self power consumption of the intelligent electronic switch in the bypass mode is smaller than the self power consumption of the intelligent electronic switch in the normal working mode.

The present invention discloses a control device for a vehicle trickle current generator, which is characterized by comprising: a filter module, a solar panel, a voltage stabilizing module, an output reverse connection protection module, and a display module; the filter module is a capacitor C1 for filtering; the solar panel is used to charge a vehicle battery; the voltage stabilizing module is used to stabilize the circuit voltage; the output reverse connection protection module is used to prevent the vehicle battery from charging the solar panel; and the display module is used to display the vehicle battery power. The present invention provides a control device for a vehicle trickle current generator, which is small in size, consumes less power, is easy to carry, prevents the vehicle battery from reversely charging the solar panel, and can very conveniently display the vehicle battery power.

The invention provides an energy efficiency control method and system for a heat dissipation system of a wind generating set and the heat dissipation system, and belongs to the technical field of wind power generation. The method comprises the following steps: acquiring the temperature of a to-be-heated part in the wind generating set and the temperature of a cooling liquid circulating valve of a cooling system; determining a heat source of the to-be-heated component according to the temperature of the to-be-heated component and the temperature of a cooling liquid circulating valve of the cooling system; and under the condition that it is determined that the heat source of the part needing to be heated is the heat dissipation system, a cooling liquid circulating valve of the heat dissipation system is controlled to be opened, so that cooling liquid in the heat dissipation system flows through the part needing to be heated through a cooling liquid circulating pipeline, and heat is supplied to the part needing to be heated. And under the condition that the heat source of the heat-needing component is determined to be the heat dissipation system, the cooling liquid circulating valve of the heat dissipation system is controlled to be opened, so that cooling liquid in the heat dissipation system flows through the heat-needing component through the cooling liquid circulating pipeline to supply heat to the heat-needing component, the self power consumption of the wind generating set is reduced, and the energy consumption is reduced. The power generation efficiency and the economic operation level of the wind generating set are improved.

The application relates to the technical field of control or regulation systems, and discloses a starting energy consumption collaborative control method in an extremely cold environment, which comprises the following steps: injecting a micro-amplitude high-frequency disturbance excitation current into an auxiliary heating loop, calculating a real-time internal resistance of a power source according to high-frequency response components of a real-time bus voltage and a real-time bus current, and constructing a thermoelectric dynamic impedance reference vector; solving an energy consumption collaborative distribution coefficient based on the thermoelectric dynamic impedance reference vector, a real-time temperature of the power source and an under-voltage protection critical value of a power supply bus; adjusting an auxiliary heating loop duty cycle control instruction and a main power loop power limit instruction according to the energy consumption collaborative distribution coefficient; and adjusting a preheating response attenuation coefficient according to a temperature rise rate and a voltage change rate and connecting the preheating response attenuation coefficient into a low-pass filter. The application restricts power distribution through linkage of thermoelectric impedance and voltage margin, maintains bus voltage stability, avoids under-voltage collapse, reduces starting energy consumption and suppresses control oscillation.

The utility model discloses a nickel-metal hydride battery module which comprises a plurality of single batteries and a protective shell, positive and negative electrodes of the single batteries are sequentially welded and connected in series to form a battery pack, the protective shell is arranged outside the battery pack and comprises a first shell and a second shell which are connected through a buckle, and the first shell and the second shell are buckled to form an accommodating cavity of the battery pack. Bosses internally provided with blind holes are arranged at the two ends of the bottom of the first shell, the blind holes are in threaded connection with fixing bolts connected with a frame, inclined faces are arranged on the inner sides of the bosses on the two sides, unfilled corners are arranged at the positions, opposite to the bosses and the inclined faces, of the second shell, and the rest parts of the first shell and the rest parts of the second shell are of symmetrical structures. According to the utility model, the single batteries are fixed in the protective shell and are connected in series to form a group, and the bottom of the protective shell is provided with the heat dissipation holes and the blind holes screwed with the fixed bolts, so that the insulation and heat dissipation of the module are realized, the self power consumption of the module caused by the conduction of condensate water to the frame is avoided, and the module has the characteristics of good group consistency, simple assembly and sealing process, and good insulation and heat dissipation performance.

The present invention discloses a method, device and medium for low-battery protection, the method comprising: obtaining the historical maximum starting current of the engine, and detecting the real-time battery power of the battery; obtaining a pre-stored battery characteristic table, the battery characteristic table containing a mapping relationship between the battery power of the battery and the maximum instantaneous discharge current; screening the maximum instantaneous discharge current higher than the historical maximum starting current from the battery characteristic table, and forming a set of battery power corresponding to the maximum instantaneous discharge current, taking the battery power with the smallest value from the set as the target power; when the real-time battery power is lower than the target power, cutting off the power supply coupling between the battery and the vehicle's external equipment. The present invention calculates the target power in real time through the historical maximum starting current of the engine and the pre-stored battery characteristic table, and when the real-time battery power is lower than the target power, immediately cutting off the power supply coupling between the battery and the vehicle's external equipment, which can effectively slow down the battery's self-consumption.

The utility model discloses a kind of power supply device and electric two-wheeled vehicle, applied to power supply technical field, to solve the problem that power supply device in prior art cannot continuously power when battery fails, specifically includes power path switching module works at first on or second on state;Wherein, first on state is the connection of main battery module and external low-voltage load and external high-voltage load, second on state is the connection of spare battery module and external low-voltage load;Voltage acquisition module collects the output voltage of main battery module;When the output voltage of main battery module is lower than preset threshold, control module controls power path switching module to switch from first on state to second on state.In this way, voltage acquisition module and control module constitute closed-loop monitoring system, ensure to complete seamless switching in main battery failure moment, avoid the electronic system paralysis of whole vehicle, realize accurate power protection under emergency scene.