98results about How to "Increase electric power" patented technology

A wafer stage includes a first evaporator where a refrigerant circulates. The first evaporator makes up a cooling cycle with a compressor, first condenser, expansion valve, second evaporator, refrigerant thermometer, and refrigerant flowmeter. The first condenser is supplied with a heat exchange medium. The temperature of a coolant supplied to the second evaporator is measured by an inlet refrigerant thermometer and outlet refrigerant thermometer, while the flow rate of the coolant is monitored and adjusted by a flow-rate adjuster. The temperature difference in the coolant between being at the inlet and at the outlet and flow rate can be measured. Upon complete evaporation of the refrigerant in the second evaporator, the dryness of the refrigerant discharged from the wafer stage is calculated from the amount of heat absorbed from (exchanged with) the coolant, the circulation amount of the refrigerant and the refrigerant temperature to control the rotational speed of the compressor.

Disclosed is a temperature control method for a refrigerator which can minimize a deviation in refrigerant compartment temperature while minimizing the power consumption of the refrigerator. The temperature control method includes the steps of (A) comparing a sensed temperature of a freezing compartment with a predetermined maximum freezing compartment temperature and a predetermined minimum freezing compartment temperature, respectively, thereby controlling a compressor and a circulating fan to be turned on or off such that the sensed freezing compartment temperature is ranged between the predetermined maximum and minimum freezing temperatures, (B) comparing, following the step (A), a sensed temperature of a refrigerating compartment defined with a plurality of refrigerating chambers therein, with a predetermined maximum refrigerating compartment temperature and a predetermined minimum refrigerating compartment temperature, respectively, thereby controlling a damper to be opened or closed and the circulating fan to be turned on or off such that the sensed refrigerating compartment temperature is ranged between the predetermined maximum and minimum refrigerating temperatures, and (C) discharging cold air into at least one of the refrigerating chambers when the damper is closed, and the compressor and the circulating fan are turned on.

The invention discloses a back-contact solar cell module. The back-contact solar cell module comprises a first cell, a second cell and a third cell which are connected in series and are adjacent, the back surface of each cell is provided with at least one group of back electrode array and at least one group of hole metal electrode array, the number of the back electrode array on each cell is equal to that of the hole metal electrode array, the electrode distribution structures of adjacent cells are the same, the hole metal electrode array of the first cell is directly connected with the back electrode array on the second cell which is adjacent to the first cell through a flow guidance piece in a broken line or curve way, and the hole metal electrode array of the second cell is directly connected with the back electrode array on the third cell which is adjacent to the second cell through the flow guidance piece in the broken line or curve way. According to the back-contact solar cell module disclosed by the invention, a confluence piece adopted by the traditional back-contact cell in interconnection is omitted, not only is a series welding step omitted and is the welding work amount greatly reduced, but also the electric performance and the total power of the back-contact solar cell module are increased, and the back-contact solar cell module has unexpected technical effect.

The invention provides a spray packing tower for flue gas waste heat recovery. The spray packing tower comprises a spray packing tower main body (1), a spray component (2), packing (3), a dehydrator (4), a fan (7), a flue gas pipeline and an oxidizer distributor (9), wherein an intermediate spray packing tower partition board (112), a packing support board (113) and a dehydrator support board (114) are arranged in the spray packing tower main body (1) from bottom to top; an inner cavity of the spray packing tower main body (1) is divided into a lower alkali liquor storage space and an upper flue gas spray heat exchange space by the intermediate spray packing tower partition board (112), and the intermediate spray packing tower partition board (112) is used for receiving spray water for spray heat exchange. The spray packing tower can be used for significantly reducing the electric power of the fan for conveying flue gas and a water pump for conveying the spray water, increasing the heat energy utilization efficiency and improving the energy energy-conserving benefit.

The invention relates to the technical field of electric filtration and purification, in particular to a honeycomb electrofilter with a high flow rate. According to the honeycomb electrofilter, a power supply control cabinet is connected with a high pressure generator connected with china bottle pull rods; sleeve insulating boxes are arranged at the top of a cylinder; sleeve insulating pieces and the china bottle pull rods are fixedly connected to form a whole and are fixedly connected with an upper hanging bracket, the upper hanging bracket is connected with a barb corona electrode, both a collecting electrode and the barbed corona electrode are arranged between the upper hanging bracket and a lower hanging bracket, and gas distribution plates are arranged below the lower hanging bracket; and an anti-swing suspension, the barbed corona electrode, the collecting electrode and the gas distribution plates are arranged in the cylinder, a gas inlet is formed in the lower part of one side of the cylinder, a gas outlet is formed in the center of the top of a tar precipitating body, and a tar outlet is formed in the lower part of the cylinder. According to the honeycomb electrofilter, the electrofiltration and purification problems of gas when the air speed of a gas electric field is 3-4 m / s are solved, the steel consumption of an equipment body is reduced, and at the same time, the corona power of the electric field is increased, so that the electrofiltration efficiency is improved.

In a vehicular air conditioning device, a heater core is disposed on a circulation passage for cooling water for cooling a motor, and an inverter configured to control an output of the motor by changing a carrier frequency, and heats conditioning air. An air conditioning controller sets a required calorific value of the motor and the inverter according to a vehicle compartment temperature requested by a passenger. A carrier frequency changing unit sets a carrier frequency at which a calorific value of the motor and the inverter is made equal to the required calorific value, out of carrier frequencies capable of implementing a target output of the motor to be set depending on a traveling state of a vehicle. An electric power conversion device converts direct-current power of a battery into alternating-current power at the set carrier frequency, and supplies the alternating-current power to the motor.

The invention discloses a trolley bus power system and a power-grid-connected operation method and a power-grid-free operation method thereof. The trolley bus power system comprises a motor controller connected with a bus of a whole vehicle and used for controlling a motor, wherein the bus of the whole vehicle is used for being connected with an external power grid. The trolley bus power system further comprises a vehicle-mounted battery, a battery management system of the vehicle-mounted battery, a super capacitor and a capacitor management system of the super capacitor. The motor controller, the battery management system and the capacitor management system are all connected with the controller in communication mode. On the basis of the existing hybrid power supply of an external power grid and the vehicle-mounted battery, the super capacitor is added, a characteristic of fast-charging fast-discharging of the super capacitor is used, three types of power supplies are controlled in coordinate mode, the super capacitor is used preferentially to involve in energy distribution during driving and braking, the super capacitor is used preferentially to conduct discharging during driving of a trolley bus, large electric power can be provided in a starting and accelerating stage, and power performance of the trolley bus is improved. During braking of the trolley bus, the super capacitor preferentially absorbs the feedback electric energy of motor braking, and electric consumption is reduced.

The invention discloses an isolated type bridgeless electrolytic-capacitor-free low-ripple-wave constant-current power supply of an LED lamp. The isolated type bridgeless electrolytic-capacitor-free low-ripple-wave constant-current power supply of the LED lamp comprises an alternating-current power supply circuit, a start and power supply circuit, a coupling-out circuit and a ripple wave restraining circuit. The alternating-current power supply circuit comprises an alternating-current positive half-wave current loop and an alternating-current negative half-wave current loop. The current of the alternating-current positive half-wave current loop and the alternating-current negative half-wave current loop both flow through a primary winding N11 and a primary winding N12 of a magnetic integration transformer TR so that an induced secondary current can be generated on a center post secondary winding N2 of the magnetic integration transformer TR. The start and power supply circuit comprises a start and power supply circuit body of a constant-current drive chip U1 and a constant-current drive chip U2. The induced secondary current is rectified and filtered and then is output to the load, the LED lamp, by the coupling-out circuit. The ripple wave restraining circuit recycles harmonic waves THD and electromagnetic interference EMI, and the harmonic waves THD and the electromagnetic interference EMI are output to the load, the LED lamp, through rectification. The constant-current drive chip U1 and the constant-current drive chip U2 are DU8673 integrated chips. According to the isolated type bridgeless electrolytic-capacitor-free low-ripple-wave constant-current power supply of the LED lamp, a bridge rectifier is not adopted, so that the electric power is increased, an electrolytic capacitor is not adopted, so that the reliability is improved, the constant-current precision is high, the current ripple waves are small, the LED does not flicker, and the circuits are environmentally friendly.

The invention relates to a solar energy and temperature difference power generation intelligent mobile phone shell. The solar energy and temperature difference power generation intelligent mobile phone shell comprises a flip type shell, a solar panel, a solar charging circuit, a solar film, a storage battery, a discharging circuit, an external power supply charging circuit and temperature difference power generation sheets which are fixed in the flip type shell, and a temperature difference charging circuit which is electrically connected with the temperature difference power generation sheets, wherein the solar film is connected in parallel with the solar panel; the charging end of the storage battery is connected the solar charging circuit, the temperature difference charging circuit and the external power supply charging circuit respectively through leads; the discharging end of the storage battery is connected with the discharging circuit through a lead; a microprogrammed control unit (MCU), switch modules and an electric quantity detection module are arranged on the flip type shell; the MCU is connected with the storage battery through the electric quantity detection module; and the MCU is electrically connected with the solar charging circuit and the temperature difference charging circuit through the switch modules. Through adoption of the mobile phone shell, solar energy generation and temperature difference power generation are integrated; the storage and display of electric quantity can be realized; and the energy utilization ratio is high.

The invention discloses a bridgeless electrolytic-capacitor-free low-ripple-wave high-power constant-current power supply of an LED lamp. The bridgeless electrolytic-capacitor-free low-ripple-wave high-power constant-current power supply of the LED lamp comprises an alternating-current power supply circuit, a control circuit, a coupling-out circuit and a ripple wave restraining circuit. The alternating-current power supply circuit comprises a constant-current drive chip U1, a constant-current drive chip U2, an alternating-current positive half-wave current loop and an alternating-current negative half-wave current loop, wherein the constant-current drive chip U1 and the constant-current drive chip U2 are controlled by the positive half-wave and the negative half-wave of an alternating-current power supply Uin. The current of the alternating-current positive half-wave current loop and the current of the alternating-current negative half-wave current loop both flow through a primary winding N11 and a primary winding N12 of a magnetic integration transformer TR so that an induced voltage can be generated on a secondary winding NV1 and a secondary winding NV2, and then the working voltage of the constant-current drive chip U1 and the working voltage of the constant-current drive chip U2 are provided through the control circuit. An induced secondary current is generated on a center post secondary winding N2 and is output to the loaded LED lamp through the coupling-out circuit. The ripple wave restraining circuit restrains current ripple waves. According to the bridgeless electrolytic-capacitor-free low-ripple-wave high-power constant-current power supply of the LED lamp, a bridge rectifier and an electrolytic capacitor are not adopted, so that the electric power is increased, the reliability is improved, the drive capability of the chips is improved through expanded current, the working temperature of the chips is lowered, the service life of the chips is prolonged, the constant-current precision is high, the current ripple waves are small, the LED lamp does not flicker, and the circuits meet the environmental-friendliness principle.

The invention provided a vacuum cleaner for which the raise in inputs is possible, and also, which can realize an input control by a phase control in a broad range. The vacuum cleaner is equipped with a first control means (63) which controls a first electric blower (61), a second control means (64) which controls a second electric blower (62), an input adjusting means (52), a commercial power source (55), and a main control means 65 which controls the first control means 63 and the second control means (65) in response to a signal from the input adjusting means. The total of the maximum power consumption of the first and second electric blowers is approximately 1,600W or higher. At the same time, the vacuum cleaner is constituted in such a manner that the first electric blower is connected with the commercial power source through the first control means, and the second electric blower is connected with the commercial power source through the second control means 64 respectively in parallel. The electric vacuum cleaner achieves the raise in input, suppresses the generation of a high harmonic electric current by the phase control, and allows the input control over the whole range of the maximum input and lower.

The invention relates to an integrated energy system two-stage optimization scheduling method considering demand response. The method comprises the following steps: establishing a combined heat and power generation unit collaborative operation model considering power-to-gas equipment, a carbon capture system and a distributed power supply; establishing an integrated energy system optimization scheduling model of the combined heat and power generation unit collaborative operation model and a user demand response model based on evolutionary game; a comprehensive energy system operator is used as a leader, a user side is used as a follower, a two-stage optimization model of a master-slave evolutionary game is provided, and the master-slave game is solved by using a KKT condition, a Big-M method and a dual theorem. According to the model and the scheduling strategy provided by the invention, the consumption of renewable energy sources is effectively improved, the phenomena of wind curtailment and light curtailment are reduced, the emission of CO2 is reduced, and the energy consumption benefit of a user side is improved while the operation cost of a comprehensive energy system is reduced.

The invention provides a manpower smart grid, comprising a power input port, a power output port, a power transmission line, a central control system and a power dispatching system, wherein the power input port and the power output port respectively access into a manpower generating device and electrical equipment; the power transmission line is used for forming a netty direct-connecting power transmission line between each input port and each output port, the direct-connecting power transmission line between each input port and each output port can be used for performing switch transferring,and the direct-connecting power transmission line between each output port and each input port can be further used for performing the switch transferring; the central control system is used for receiving the feedback information of the power input port and the power output port, and generating information control according to the feedback; and the power dispatching system is used for converting the information control provided by the central control system into an executable command to control the switching of the power transmission lines between the power input port and the power output ports. The manpower smart grid has the advantages of higher stability, self-sufficiency, consistency and utilization ratio compared with the existing manpower generating set with a single function, and can be applied to more extensive electric devices.

The invention relates to a system for precisely controlling the water outlet temperature of a quick-heating module. A preheating water circulation device comprises a preheating water tank, and a wateroutlet end of the preheating water tank is connected with a water inlet end of the quick-heating module through a water pump; a water outlet end of the quick-heating module is divided into two paths,wherein one path is connected with a water return end of the preheating water tank through a third electromagnetic valve, and the other path is connected with a water outlet through a fourth electromagnetic valve; a first temperature sensor is arranged at the water outlet end of the quick-heating module; a second liquid level switch is arranged in the preheating water tank; a water outlet end ofa water purifying tank is connected with a water inlet end of the preheating water tank through a second electromagnetic valve; a control system controls a third electromagnetic valve and the fourth electromagnetic valve to be switched on and switched off according to feedback signals of the first temperature sensor, and controls the second electromagnetic valve to be switched on and switched offaccording to feedback signals of the second liquid level switch. According to the system, electric power of the quick-heating module is not increased, and electrical safety is guaranteed; the temperature and flow of outlet water of water drinking equipment can be greatly increased; the temperature value of the temperature of the outlet water can be precisely controlled, and the user experience isimproved.

The invention relates to an elementary electric-power generating device that includes a photovoltaic converter and a thermoelectric converter, wherein the photovoltaic converter includes a stack of layers bearing on a carrier substrate (3) made of thermally insulating material, the stack of layers including a first conducting layer used as an upper electrode (100) and a second conducting layer used as a lower electrode (200), the upper and lower electrodes having a layer of a photoactive material arranged between them, the thermoelectric converter including a third conducting layer used as a hot junction (200) and a fourth conducting layer used as a cold junction (300), the hot and cold junction having a member (400) made of a thermoelectric electrically-conducting material arranged between them, characterised in that the thermoelectric electrically-conducting member (400) is included in the body of the carrier substrate (3) so that an end of said member is in contact with the hot junction (200) while the other end of said member is in contact with the cold junction (300).

The invention discloses a reactive compensation type capacitor voltage reduction power taking device, and the device comprises a high-voltage power taking capacitor which is used for obtaining a stable alternating current from a high-voltage side AC voltage side; a reactive compensation type capacitor voltage reduction power taking capacitor for compensating an exciting current of a transformer; apiezoresistor for absorbing an impact current and limiting the voltage of a power taking loop; and the transformer used for increasing the alternating current, improving the power taking power and outputting the obtained alternating current. High-power and stable electric energy can be obtained at high-potential points such as a high-voltage line, various kinds of overvoltage possibly occurring on the high-voltage side can be dealt with, and power can be provided for various monitoring devices and the like.

The invention discloses a thermoelectric decoupling system capable of improving energy utilization quality of a thermoelectricity plant. The system comprises a boiler, a high voltage cylinder, a primary bypass adjusting valve, a first additional high voltage heater, a medium voltage cylinder, a second additional high voltage heater, a secondary bypass adjusting valve, a hot net circulating water system, a low voltage cylinder and a water feeding adjusting valve. According to the system disclosed by the invention, decoupling operation of power production and thermal production can be realized, so that heat supply peak shaving ability of a thermoelectric unit can be obviously improved.

The invention discloses a low-pressure steam source boosting heat supply method for a combined heat and power generation unit. The low-pressure steam source boosting heat supply method for the combined heat and power generation unit comprises the following steps that S101, preparation work before unit operation is conducted; S102, the unit starts to operate; S103, accumulated water in a pipeline is drained as much as possible; S104, a small steam turbine and a compressor are started; S105, the output quantity of hot steam is adjusted; S106, the total amount of cycle working fluid of a thermalpower system of a generator set is kept unchanged; S107, the steam output pressure and temperature are stabilized; S108, the steam output is paused; and S109, a heat supply system quits operation. Themethod can effectively solve the problem that heat supply steam pressure and temperature are flexibly adjusted under the condition that parameters such as through-flow steam pressure and temperatureof a turbine bleed point cannot meet user requirements, so that the heat supply steam parameters meet the requirements of heat consumers, the method does not excessively depend on the method of increasing the electric power of the generator set to increase the steam flow of the steam turbine in order to enhance the steam supply capacity of the unit, and the flexibility of greatly adjusting the electric power of the generator is also improved.

The invention discloses a CT power taking-based power taking device and method employing an overhead lightning protection ground wire of a power transmission line. The power taking device comprises power taking cores, wherein the power taking cores are connected with an overvoltage protection unit; the overvoltage protection unit is connected with a power voltage stabilizing unit; a power monitoring unit is connected with an output end of the overvoltage protection unit; one power taking core L1 is arranged on each of two sides of left and right ground wire hanging points of each iron tower; and the output end of each power taking core L1 is connected with an input end of the overvoltage protection unit through an insulating cable. Power is obtained through the annular power taking cores on an alternating magnetic field generated around the overhead ground wire by using induced current on the overhead ground wire; a plurality of power taking cores can be connected in parallel at the same time to improve the total power taking efficiency of the power taking device; meanwhile, overvoltage protection of input voltage is achieved by adopting a switch-type short circuiting device in a power supply; the whole work efficiency and the security of the power taking device are improved; and the disadvantages of the prior art are avoided.

The invention relates to a method and a device for deicing a direct current transmission line of an extra-high-voltage direct current project. A transmitting end alternating current system is connected with alternating current sides of a first converter transformer to a fourth converter transformer, direct current sides of the first converter transformer to the fourth converter transformer are connected with a first converter valve to a fourth converter valve, direct current sides of a fifth converter transformer to an eighth converter transformer are connected with a fifth converter valve to an eighth converter valve, alternating current sides of the fifth converter transformer to the eighth converter transformer are connected with a receiving end alternating current system, cathodes of the first converter valve and a first converter valve are parallelly connected with one end of a pole-1 direct current line, the other end of the pole-1 direct current line is connected with anodes of the fifth converter valve and a sixth converter valve, the anode of the first converter valve and the anode of the second converter valve are in common ground connection, the cathode of a third converter valve and the cathode of the fourth converter valve are in common ground connection, the anode of the fourth converter valve and the cathode of the third converter valve are parallelly connected to one end of a pole-2 direct current line, the other end of the pole-2 direct current line is connected with the cathodes of the eighth converter valve and a seventh converter valve, the cathode of the fifth converter valve and the cathode of the sixth converter valve are in common ground connection, the anode of the seventh converter valve and the anode of the eighth converter valve are in common ground connection, and two ends of the pole-1 direct current line and two ends of the pole-2 direct current line are connected with smoothing reactors.

In a hybrid vehicle, an electronic control unit is configured to: control an engine such that the engine is started and a self-sustained operation is performed in a case where i) torque for forward traveling is output from a second motor, ii) sliding down of the vehicle is tentatively detected before the sliding down is detected, and iii) permissible charge electric power is equal to or smaller than first prescribed electric power and rotation of the engine is in a stopped state; and execute drive control such that fuel injection is stopped and the engine is driven by a first motor at a rotational speed larger than that before the sliding down is detected in a case where i) the sliding down is detected thereafter and ii) the permissible charge electric power is equal to or smaller than second prescribed electric power.

The invention discloses a tethered unmanned surface vehicle high voltage power supply system. The system comprises a ground power supply device and an airborne power conversion device, the ground power supply device is connected with the airborne power conversion device through a contact cable, the ground power supply device converts alternating-current input voltage 380 V or 220 V into direct-current output voltage 600-800 V, and provides the voltage for the airborne power conversion device through the contact cable; the airborne power conversion device comprises a power supply module, and isused for converting the received direct-current voltage 600-800 V into the direct-current output voltage suitable for a tethered unmanned surface vehicle. According to the tethered unmanned surface vehicle high voltage power supply system, safe and efficient power supply of the tethered unmanned surface vehicle can be achieved.

The invention relates to the technical field of photochemical reaction equipment, in particular to a continuous flow photochemical reactor device. The device comprises a light control unit, a reaction unit and a temperature control unit, wherein the light control unit comprises a light power regulator; the light power regulator comprises a sliding resistor, a regulating knob, a control switch and an alternating current power supply; the reaction unit comprises a microreactor and a lamp panel; the lamp panel is arranged above the microreactor and is connected in series with the sliding resistor and the alternating current power supply; the lamp panel is composed of a plurality of lamp beads, the lamp beads comprise lamp beads with single wavelength arranged or lamp beads with different wavelengths alternately arranged, the wavelength of the lamp beads is 365-780 nm, and the optical power density of the lamp panel is 0-500 mW / cm < 2 >; when the wavelengths of the lamp beads are different, wavelength switches for correspondingly controlling the lamp beads are arranged; the temperature control unit comprises a refrigeration module and a heating module and is used for controlling the reaction temperature of the microreactor. According to the device, the wavelength of the light source can be adjusted, the optical power density value can be adjusted, and research on photochemical reactions is facilitated.

The invention discloses a welding method of a back contact solar cell module; the welding method comprises the following steps that a, sorting is performed on battery pieces firstly, and then scribingis carried out on the sorted battery pieces by using cutting equipment; b, the single scribed battery pieces are welded through welding strips; c, a prepared battery piece is placed on a heating table, wherein the temperature of the heating table is 50-70 DEG C; the battery piece is a battery piece with a back electrode; and one surface, without the back electrode, of the battery piece is in contact with the upper surface of the heating table; d, the back electrode of the battery piece is uniformly coated with conductive adhesive, wherein the coating rate of the conductive adhesive is 100-300mm / s; and e, conductive metal strips are distributed on the conductive adhesive. In the battery piece interconnection process, the battery pieces are connected in a broken line or curve line mode through flow guide pieces, so that a series welding step is omitted, the welding workload is greatly reduced; and in addition, the electric performance and the total power of the assembly are improved, and an unexpected technical effect is achieved.

A communication traffic control method of hierarchy mobile communication system comprising mobile stations, micro cells and a macro cell including those micro cells. An upstream transmission power of a mobile station hand-overed to a macro cell from an adjacent macro cell or that of a mobile station located in the vicinity of a macro cell area border interferes with the communication of a mobile station within a micro cell. In order to allow the mobile station located within the micro cell to maintain a good communication quality against the foregoing interference, the communication traffic is controlled in such a manner that when a forced hand over is performed, it is directed to a mobile station exhibiting a long or immeasurable round trip time.

The invention relates to a gas and steam turbine installation (2) comprising a generator (4), a gas turbine (6) and a steam turbine (8), which is designed to maintain a simple construction and high overall efficiency. For operating modes with different steam extraction levels. To this end, according to the present invention, a generator (4), a gas turbine (6) and a steam turbine (8) are installed on a shaft (10) including a number of shaft segments; the steam turbine (8) includes a shaft (10) corresponding to each shaft segment. A high-pressure stage (8a) and a low-pressure stage (8b) are provided; the shaft section corresponding to the low-pressure stage (8c) is installed on the end side of the shaft (10); and between the shaft section of the high-pressure stage (8a) and the low-pressure stage At least one coupling (28, 30) is provided between the shaft segments of (8c).