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200 results about "Electrical energy consumption" patented technology

Rotary compressor and refrigeration equipment

The utility model discloses a rotary compressor and refrigeration equipment, and relates to the technical field of compressors, the rotary compressor comprises a motor, the motor comprises a stator and a rotor, the stator comprises a stator iron core and a stator winding, the stator iron core comprises an annular yoke part and a plurality of tooth parts arranged in the yoke part, the plurality of tooth parts are spaced along the circumferential direction of the yoke part, and the stator winding is arranged in the yoke part; a stator groove is formed between every two adjacent tooth parts, the stator winding is wound in the stator grooves, and the rotor comprises a rotor iron core; the pump body part comprises a crankshaft, an upper bearing and a cylinder; the number of the stator grooves is Q, the number of poles of the rotor is P, the maximum outer circle contour radius of the rotor core is R1, the maximum outer circle contour outer diameter is D1, D1 = 2 * R1, the outer diameter of the part, matched with the upper bearing, of the crankshaft is D2, GCD (Q, P) is the largest common divisor of Q and P, and GCD (Q, P) is larger than or equal to # imgabs0 # 5 and smaller than or equal to 6. The rotary compressor disclosed by the utility model is beneficial to improving the energy efficiency of the rotary compressor and reducing the electric energy consumption during operation.
Owner:ANHUI MEIZHI PRECISION MFG

Electric vehicle energy consumption management system

The invention discloses an electric vehicle energy consumption management system, which relates to the field of energy consumption management and comprises a vehicle state module, a geographic state module and a control state module, the vehicle state module is used for acquiring vehicle electric quantity state information; the geographical state module is used for acquiring geographical state information of the vehicle; the control state module is used for acquiring control vehicle state information; the system further comprises a route planning module. Acquiring destination information; the destination information is input into a route planning module, and the route planning module is used for generating a driving route plan according to the vehicle electric quantity state information, the vehicle geographical state information and the control vehicle state information; the planning of the driving route comprises setting a vehicle control strategy corresponding to the route under the geographic coordinates, or / and setting the route under the geographic coordinates corresponding to the vehicle control strategy. According to the scheme, the electric quantity consumption state of the vehicle is monitored, the insufficient electric quantity state is warned, the electric energy consumption of the vehicle is reduced through the preset control strategy, and the driving route planning risk is reduced.
Owner:CHINA FAW CO LTD +1

Household electricity utilization optimization system

The invention provides a household electricity utilization optimization system, and the system comprises a data collection module which is used for collecting a current / voltage signal in real time; the signal processing module is used for carrying out harmonic detection on the current / voltage signal to obtain first electric energy data, fusing historical operation data, and identifying a power utilization mode and predicting a harmonic trend through an AI analysis model based on a deep learning algorithm; the inversion compensation module is used for generating an IGBT compensation strategy for counteracting power grid distortion, purifying electric energy and outputting the electric energy for household appliances to use; the electric energy acquisition module is used for acquiring second electric energy data including active probability, reactive power and electric energy consumption in real time; the carbon emission metering module is used for dynamically calling a carbon emission factor of a local power grid and calculating household carbon emission data by fusing the second electric energy data and the carbon emission factor; and the carbon emission optimization module is used for generating a carbon emission optimization strategy according to the household carbon emission data, sending the carbon emission optimization strategy to the user side, and controlling various household appliances to operate according to the carbon emission optimization strategy.
Owner:HARBIN SAISI TECH CO LTD

Powerful propeller and aircraft

The invention discloses a powerful propeller and an aircraft, and belongs to the technical field of aircrafts. The powerful propeller comprises a cover disc, a stator and a rotor, the cover disc comprises a central bearing seat, a radial support and an outer mounting frame which are sequentially connected from inside to outside, the rotor comprises a paddle mounting column, paddles and an outer ring which are sequentially connected from inside to outside, and the outer ring is provided with a permanent magnet which is in induction fit with the stator; the paddle mounting column is connected with the central bearing seat through a bearing; and the outer mounting frame is fixedly connected with the stator. Airflow loss of the blade tip can be avoided, and thrust is greatly improved. According to the invention, the coaxial contra-rotating technology can be realized. And the two coaxial fans can achieve a better superposition effect, so that the noise is reduced. The rotating directions of the two blades which are coaxially designed are opposite, the rotating torque of the propeller can be offset, and balance of the aircraft fuselage can be kept beneficially. According to the invention, a negative pressure suction air cooling technology can be designed according to needs to solve the problem of motor heat dissipation, and extra electric energy consumption is not needed.
Owner:CHANGSHA SENYAN TECHNOLOGY CO LTD

Electrical energy consumption and mechanical load coordinated instrument dynamic calibration system

The invention discloses an electrical energy consumption and mechanical load coordinated instrument dynamic calibration system, and relates to the technical field of instrument calibration, the system comprises a diagnosis module for receiving original data streams of an electrical side and a mechanical side, and identifying segments to be optimized by calculating a symbol consistency rate and a zero cross alignment error; the robust symbol division module performs symbol state judgment by using a dynamic dead zone and a double-domain hysteresis comparator, and outputs smooth symbol segments and a switching delay table in combination with a finite state machine; the signed channel reconstruction module executes phase micro-shift and amplitude reconstruction based on the switching delay table, and outputs the signed channel after electrical side optimization; the write-back and closed-loop module obtains positive and negative power calibration parameters through bipolar bucket separation and robust linear regression, and writes back to the instrument after event-level energy closed verification to form closed-loop verification. According to the method, the instrument calibration precision and reliability under the dynamic working condition are effectively improved.
Owner:LIANGSHAN MINING CO LTD

A button wake-up power drive circuit and an electric-controlled toilet

The present invention discloses a button-activated wake-up power-taking drive circuit and an electric-controlled toilet, comprising: a logic judgment module, comprising a detection end and an output end, the detection end of the logic judgment module being used to connect to an external main power supply and an external button component respectively; a switch module, comprising a backup power supply end, a control end and an output end, the backup power supply end of the switch module being used to connect to an external backup power supply, the output end of the switch module being used to connect to an external load and / or an external controller, and the output end of the logic judgment module being connected to the control end of the switch module; the logic judgment module being able to control the switch module to close when the main power supply is cut off and the button component is actuated, and this design saves auxiliary power supply power consumption and extends battery life.
Owner:ZHONGSHAN ZHONGJING INTELLIGENT TECH CO LTD

Heat exchange rto oxidizer and method of use

The present application relates to the technical fields of RTO oxidation furnace, and discloses a heat exchange type RTO oxidation furnace and a use method thereof, which comprises an RTO oxidation furnace body, a gas guide pipe, a valve mechanism and a steering mechanism, the RTO oxidation furnace body is connected with the gas guide pipe, and the valve mechanism comprises a supporting plate, a first transmission rod, a valve core and a linkage unit. The whole linkage of the valve mechanism is driven by the gas flow kinetic energy of the gas guide pipe, so that the valve core realizes high-frequency opening and closing, the traditional motor driving mode is completely abandoned, the motor wear, jam and power consumption problems are fundamentally eliminated, external power input is not needed, energy consumption is greatly reduced, there are no vulnerable parts such as motors and bearings, the failure rate is also greatly reduced, the frequency of shutdown maintenance and the cost of spare parts replacement are reduced, and through the setting of the steering mechanism, the narrow surface of the counterweight disc in the linkage unit is parallel to the gas flow when swinging to the farthest end, the resistance area is reduced, and stable reciprocating motion is realized in combination with gravity backswing.
Owner:武汉隆亿达环保工程有限公司

ELECTRICAL SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING THE SAME

The present development relates to an electrical system (5) for a motor vehicle (1) comprising: - at least an electric drive (32) and - Fuel cell arrangement (20) comprising a first fuel cell (40) and a second fuel cell (42), which are of different dimensions and can be controlled and / or regulated independently of each other, - a control unit (50) designed to control or regulate the electrical power output of the first fuel cell (40) and the second fuel cell (42) depending on the current or predicted electrical energy consumption of the motor vehicle (1).
Owner:STELLANTIS AUTO SAS

Elevator control system

The present invention discloses an elevator control system. The elevator is equipped with an energy storage device that stores regenerative energy generated by the elevator drive motor in a regenerative state and provides it to the elevator drive motor in an electric state. The elevator control system includes: a prediction module for predicting the passenger flow pattern of the elevator; an acquisition module for acquiring movable body information, the movable body information including at least the floor location and mass of the movable body, the movable body being a device that can accept control instructions from the elevator control system to enter or leave the elevator car; a judgment module for determining whether the passenger flow pattern will cause the elevator drive motor to be in a regenerative state; and a control module for generating a first control instruction when the judgment module determines that the control module determines that the control module is in a regenerative state. The elevator control system of the present invention can minimize the cost and size of the storage device while minimizing the elevator's power consumption.
Owner:SHANGHAI MITSUBISHI ELEVATOR CO LTD

Clamp

The utility model provides a clamp which comprises a base and a supporting assembly. The base is used for bearing a substrate. The base is provided with a through hole, and the through hole corresponds to the area, used for arranging the first connector, of the first face and the area, used for arranging the second connector, of the second face. The supporting assembly comprises a supporting seat and a supporting piece arranged on the supporting seat, the supporting seat is detachably connected with the base, the arrangement position of the supporting piece on the supporting seat corresponds to the arrangement position of the through hole in the base, and the supporting piece is used for abutting against a first connector located on the first face or a second connector located on the second face. Therefore, the first connector or the second connector is clamped between the supporting seat and the substrate. By means of the design, the first connector and the second connector can be arranged on the two opposite side faces of the substrate at the same time, so that welding of the substrate, the first connector and the second connector can be completed in a subsequent one-time furnace, the reliability, the production efficiency and the like of products are improved, and electric energy consumption of a production line can be reduced.
Owner:SHENZHEN ABSEN OPTOELECTRONIC CO LTD +1

Method and device for effectively reducing electric energy consumption in bar continuous rolling

The invention relates to a method and device for effectively reducing electric energy consumption in bar continuous rolling. The device comprises a programmable controller, an inverter, a communication network and a main motor. According to the method, a traditional working mode that the operating exciting current of a main motor of the bar continuous rolling mill is always kept at a rated value is changed into a working mode that the exciting current of the main motor is recovered to the rated value before a rolled piece is rolled into the rolling mill while the lower exciting current is maintained under the condition of no-load of the rolling mill. The electric energy loss in the no-load state can be effectively reduced while the rolling dynamic adjusting performance of the rolling mill is not affected, and the purposes of reducing cost and increasing efficiency are achieved.
Owner:SHIJIAZHUANG IRON & STEEL

Fuel cell collector plate feeding system

The utility model relates to the technical field of visual inspection equipment manufacturing, in particular to a fuel cell collector plate feeding system. In an initial state, a bearing jig of a full-load batch fuel cell collector plate falls on a right conveyor, and under the action of carrying force, the bearing jig in the full-load state flows to a jig transverse moving runner through a full-load jig conveying runner and temporarily stays at a feeding station; and after the collector plate is picked up and emptied by the multi-degree-of-freedom picking manipulator, the no-load state bearing jig performs displacement motion along the jig transverse moving runner under the action of driving force from the transverse moving driving mechanism until the no-load state bearing jig is aligned with the no-load jig conveying runner. Therefore, on one hand, on the premise that the collector plate feeding rhythm is met, the field area occupied by the fuel cell collector plate feeding system is greatly reduced; and on the other hand, when the collector plate is picked up and emptied, the fuel cell collector plate feeding system is kept in a shutdown state or an almost state, and the electric energy consumption is obviously reduced.
Owner:XIAOFENG OPTOELECTRONICS TECHNOLOGY (SUZHOU) CO LTD

Rotary compressor and refrigeration equipment

The invention discloses a rotary compressor and refrigeration equipment, and relates to the technical field of compressors, the rotary compressor comprises a motor, the motor comprises a stator and a rotor, the stator comprises a stator iron core and a stator winding, the stator iron core comprises an annular yoke part and a plurality of tooth parts arranged in the yoke part, the tooth parts are spaced in the circumferential direction of the yoke part, and the stator winding is arranged in the yoke part; a stator groove is formed between every two adjacent tooth parts, the stator winding is wound in the stator grooves, and the rotor comprises a rotor iron core; the pump body part comprises a crankshaft, an upper bearing and a cylinder; the number of stator grooves is Q, the number of poles of the rotor is P, the maximum outer circle contour radius of a rotor core is R1, the maximum outer circle contour outer diameter is D1, D1 = 2 * R1, the outer diameter of the portion, matched with the upper bearing, of the crankshaft is D2, GCD (Q, P) is the largest common divisor of Q and P, and GCD (Q, P) is larger than or equal to 5 and smaller than or equal to 6. According to the rotary compressor, the energy efficiency of the rotary compressor is improved, and the electric energy consumption of operation is reduced.
Owner:ANHUI MEIZHI PRECISION MFG

Efficient environment-friendly waste liquid neutralizing and stirring device

The utility model discloses an efficient environment-friendly waste liquid neutralizing and stirring device, and belongs to the technical field of waste liquid treatment. The efficient and environment-friendly waste liquid neutralizing and stirring device comprises a neutralizing tank, a stirring device and a waste liquid assembly, the stirring device comprises a suspension fan and a compression fan, and the output ends of the suspension fan and the compression fan are positioned in the neutralization tank; the waste liquid assembly comprises an acidic waste liquid tank, an alkaline waste liquid tank and a three-way valve, one end of the three-way valve is communicated with the inlet of the neutralization pool, and the other two ends of the three-way valve are respectively communicated with the acidic waste liquid tank and the alkaline waste liquid tank through independent pipelines; a liquid outlet is formed in the bottom of the neutralization tank and is used for discharging neutralized waste liquid; alternate work of the suspension fan and the compression fan can be achieved, the suspension fan serves as a common working fan, when the suspension fan breaks down, the compression fan is used for completing work firstly, noise generated during neutralization stirring is reduced, electric energy consumption is reduced, and the overall operation stability of the device is improved.
Owner:丽水市杭丽热电有限公司

Graphite crucible for carbonizing lithium battery negative electrode material

The application is suitable for the technical field of crucible furnace, and provides a graphite crucible for carbonizing lithium battery negative electrode material, which comprises two furnace bodies with furnace covers, a crucible and a heating mechanism arranged in the inner cavities of the furnace bodies, and the inner cavities of the two furnace bodies are communicated through two flow guide pipes, and an air extractor is installed on each flow guide pipe, a guide frame is arranged between the inner walls of the furnace bodies and the outer surface of the heating mechanism, two air ducts penetrating through the furnace bodies and communicated with the inner cavities of the furnace bodies are arranged on the furnace bodies, and the air duct at the bottom of one side of one furnace body is communicated with the air duct at the top of one side of the other furnace body through the flow guide pipe.The application realizes the circulation of hot air between the heated furnace body and the unheated furnace body by the flow guide pipe and the air extractor, effectively transfers the waste heat in the cavity of the heated furnace body to the unheated furnace body, preheats the negative electrode material in the unheated furnace body, significantly reduces the power consumption, improves the overall energy utilization rate, and realizes the recycling of the hot air between the two furnace bodies, reduces the heat loss, and greatly improves the utilization efficiency of unit energy.
Owner:SHAANXI ZHONGFENG POWER ENERGY CO LTD

Flue gas desulfurization and denitrification fan energy-saving control system

The utility model discloses a flue gas desulfurization and denitrification fan energy-saving control system, which is arranged in a flue gas desulfurization and denitrification dust removal system and comprises a flow velocity sensor, a first pressure sensor and a pollutant concentration sensor which are arranged at an inlet of a desulfurization tower, and a second pressure sensor arranged at a chimney discharge port, the air door is arranged at an inlet of the induced draft fan, and the terminal is connected with the induced draft fan, the flow speed sensor, the first pressure sensor, the second pressure sensor, the pollutant concentration sensor and the air door. By means of the hardware architecture of the flue gas desulfurization and denitrification fan energy-saving control system, the induced draft fan can be adjusted according to the air volume required by the system and the resistance of the system, the adjustment of the induced draft fan can more accurately adapt to the actual working condition, unnecessary electric energy consumption is reduced, and the purposes of energy saving and optimization are achieved.
Owner:BEIJING TONGCHUANG XINTONG TECH CO LTD

Positive-pressure sealing power distribution cabin of mining new energy locomotive

The invention relates to the technical field of rail locomotives, and particularly discloses a mining new energy locomotive positive pressure sealing power distribution cabin which comprises a cabin body and an air supply pump, the air supply pump is connected with an air blowing pipe extending to the bottom of the cabin body, the upper end of the cabin body extends upwards to form a top frame, a partition plate is arranged in the top frame, and heat dissipation holes are formed in the side face, located below the partition plate, of the top frame. An edge sealing cover for sealing the heat dissipation holes is attached to the upper end of the top frame in a sealed mode, an air pressure communication opening is formed in the upper end of the edge sealing cover, a communication air pipe with the lower end communicated with the cabin body is arranged on the partition plate, and an elastic expansion air bag located between the partition plate and the edge sealing cover is connected to the upper end of the communication air pipe. The sealed power distribution cabin disclosed by the invention can keep a positive pressure state for a long period of time without continuously introducing a high-pressure air source into the sealed power distribution cabin in the operation process, so that the positive pressure protection effect of the whole sealed power distribution cabin is improved, the power consumption is reduced, and meanwhile, the purity of air introduced into the cabin body is also ensured.
Owner:ANHUI WANHANG RAIL TRANSPORTATION EQUIPMENT CO LTD

A low-pressure nitrogen gas connection system and its usage method

This invention discloses a low-pressure nitrogen interconnection system and its usage method, comprising a 35,000 kW oxygen generator unit, a water-cooled tower, a 12,000 kW nitrogen compressor, a 6,000 kW nitrogen compressor, a 7,200 kW nitrogen compressor, a 6,000 kW oxygen generator unit A, and a 6,000 kW oxygen generator unit B. The outlet of the 35,000 kW oxygen generator unit is connected via pipelines to the inlets of the 35,000 kW nitrogen compressor A, the 35,000 kW nitrogen compressor B, a flow valve, and a main connecting valve. The outlet of the flow valve is connected via a pipeline to the inlet of the water-cooled tower, and the outlet of the water-cooled tower is discharged to the atmosphere via a pipeline. This invention optimizes the structure of the low-pressure nitrogen interconnection system, fully utilizes the surplus nitrogen produced by the oxygen generator, avoids resource waste, improves economic efficiency, and increases the output of low-pressure nitrogen with the same power consumption, saving electricity consumption, reducing production costs, achieving the goal of energy saving and efficiency improvement, and meeting the gas demand of the nitrogen pipeline network.
Owner:BENXI BEIYING IRON & STEEL GROUP

Multifunctional greening comprehensive maintenance device

The utility model provides a multifunctional greening comprehensive maintenance device, which relates to the field of greening maintenance devices and comprises a tricycle, a water storage tank is mounted on the upper portion of the tricycle, and a horizontal support plate is fixedly connected to the tail of the tricycle. A supporting frame is installed on the right side of the upper end face of the horizontal supporting plate, a spraying mechanism is arranged on the top of the supporting frame, and a watering mechanism is installed on the supporting frame. Through cooperation of a hydraulic shell, a hydraulic impeller, an impeller shaft, a transverse linkage shaft, a longitudinal linkage shaft, a driving belt wheel, a driven belt wheel and a stirring shaft, automatic mixing is achieved during dispensing, manual intervention or stirring through an additional tool is not needed, meanwhile, an auxiliary mixing motor does not need to be started, and electric energy consumption is effectively reduced; the problems that an existing greening maintenance device is lack of an automatic energy-saving mixing structure, manual stirring is needed in the medicine dispensing process, even if an electric stirring device is arranged, a stirring motor needs to operate all the time in the medicine dispensing process, and therefore electric energy loss is increased are solved.
Owner:WUXI XINFA CITY OPERATION MANAGEMENT SERVICE CO LTD

Injection molding machine and use method

The invention discloses an injection molding machine and a use method, and belongs to the field of injection molding equipment. A material box, an injection molding machine body and a forming mold are arranged on the rack; a flow guide cavity for introducing a cooling medium is formed in the forming mold; a water inlet pipe and a water outlet pipe are respectively assembled at two ends of the flow guide cavity; a discharging hole is formed in the side wall of the material box; a feeding hole matched and communicated with the discharging hole is formed in the top wall of the injection molding machine body; a guide plate with a rough upper surface is arranged in the material box, and the bottom wall of the discharge hole and the top surface of the guide plate are coplanar; according to the scheme, cooling water with waste heat discharged by the forming die is introduced into the cavity of the pressing plate, the heat-conducting elastic film is driven by water pressure to be tightly attached to and wrap the material for large-area contact type heat exchange, and the originally lost low-grade waste heat is directly fed back to be used for preheating the normal-temperature material at the front end; and the electric energy consumption of the subsequent melting procedure of the injection molding machine body is reduced, and the effect of energy closed-loop efficient utilization is achieved.
Owner:KUNSHAN DINGQING PRECISION MOULD CO LTD

A tunnel exhaust system

The application relates to the technical field of tunnel ventilation, and discloses a tunnel exhaust system, a vertical shaft is arranged through a top wall of a tunnel, a smoke exhaust device comprises an exhaust fan, a hood, a non-powered fan, a driving mechanism and a controller, the hood is arranged at the upper end of the vertical shaft, an air inlet and an air outlet are arranged on the side wall of the hood, an exhaust port is arranged at the top of the hood, the non-powered fan is arranged in the inner cavity of the hood, the inner cavity of the hood is communicated with the inner cavity of the vertical shaft, the driving mechanism drives the hood to rotate so that the air inlet of the hood is opposite to the wind direction; the exhaust fan is arranged at the bottom of the vertical shaft, a fan driver drives the rotation of the fan blade; when an actual wind speed detected by a wind speed detection sensor is greater than a preset natural exhaust wind speed, the exhaust fan is paused, and the air inlet of the hood is opposite to the wind direction. The exhaust fan can be started and stopped according to the actual wind speed, the wind energy is fully utilized as power to drive the non-powered fan, the air circulation in the tunnel is ensured, the power consumption is reduced, and energy saving and environmental protection are achieved.
Owner:GUANGZHOU KEHUI ENERGY CO LTD

Locking mechanism and locker

The application discloses a locking mechanism and a storage cabinet, which comprise a lock box, a locking piece rotatably connected to the lock box, part of the structure of the locking piece exposed to the lock box to cooperate with external structure to realize locking, a limiting piece rotatably connected to the lock box, a driving piece, the driving piece being an electromagnetic driving piece, the electromagnetic driving piece driving the limiting piece to rotate through the attraction force generated by electrification, and an interactive assembly for user interaction, and after interaction, the driving piece is controlled to be electrified to execute a driving action; wherein when the locking piece is in a locking state, the limiting piece abuts against the edge of the locking piece under the action of gravity to limit reverse rotation of the locking piece; when the locking piece is unlocked, the driving piece drives the limiting piece to rotate to release the limitation on the locking piece, and the driving piece only generates driving force in the unlocking process; the limiting piece is provided with a counterweight component, and the limiting piece is driven to rotate by the gravity of the counterweight component to abut against the edge of the locking piece to limit reverse rotation of the locking piece. The application can reduce power consumption and make the locking state more stable.
Owner:WENZHOU XINMIMA COMBINATION LOCK CO LTD

Energy-saving heat exchange steam curing device for cement pole production

PendingCN122626346AThermodynamicsDrive wheel
The present application relates to the technical field of cement pole steam curing, and particularly relates to an energy-saving heat exchange steam curing device for cement pole production, which comprises a steam curing pool, a steam chamber is arranged in the middle of the bottom surface of the steam curing pool, a flow guide plate is fixedly connected above the steam chamber, a plurality of steam frames are connected to the top of the flow guide plate in communication, rotating drive mechanisms are arranged on both sides of each steam frame, and pole molds are arranged between the adjacent two rotating drive mechanisms. The present application converts the vertical hard impact of the pole mold when crossing the driving wheel into smooth inclined surface rolling by using the inclined surface pressure rod to build a follow-up track, greatly reduces the conveying resistance, and directly reduces the power consumption of the motor operation. The present application changes the disadvantage that the locking part in the traditional structure bears a large shearing force for a long time, inserts the rigid locking block, and avoids the mold from falling in the non-specified position. The core is that the mold is driven to rotate at a constant speed by the driving wheel, and the steam is forced to circulate by the flow guide plate, so that the heat conduction efficiency is improved, and the steam and coal consumption are reduced.
Owner:TONGLIAO TIANCHENG ELECTRIC POWER EQUIPMENT CO LTD

Suspension type blowing separation device

The utility model relates to a suspension type blowing separation device applied to the field of paper feeding mechanisms, which comprises an air blower and a mounting pipe fixedly connected with an air outlet of the air blower, the outer surface of the mounting pipe is fixedly connected with two telescopic hoses, and one end, far away from the mounting pipe, of each telescopic hose is fixedly connected with a fixed pipe. The upper ends of the fixing pipes are fixedly connected with flange plates, the upper ends of the two fixing pipes are jointly and fixedly connected with an air collecting box, and by the adoption of the fixing pipes and other structures, when heavy or large number of corrugated paper is blown, the wind power of an air blower does not need to be increased, the electric push rod drives the shielding ball to move up and down, the caliber of the adjusting groove is shielded, and the air blowing efficiency is improved. The size of a gap between the shielding ball and the caliber of the adjusting groove is changed, air pressure generated when airflow passes through the gaps of different sizes is different, the effect of separating corrugated paper of different thicknesses and quantities from the paper feeding mechanism is achieved, and therefore the electric energy consumption of the air blower is effectively reduced.
Owner:TANGSHAN JINGXIN MASCH MFG CO LTD

Starting control method of refrigeration equipment and refrigeration equipment

The invention discloses a refrigeration equipment starting control method and refrigeration equipment, the refrigeration equipment comprises a compressor, an energy storage power supply, a control module and an equipment door, the energy storage power supply is connected with the compressor and the control module, and the control module comprises a timer, a detection module and a main controller. According to the compressor starting method and device, the preset duration is set, whether the preset starting condition is met or not is judged according to the detection information, and only when the preset duration is reached and the preset starting condition is met, the energy storage power source supplies power to the compressor so as to start the compressor; on the premise that food is safe and fresh-keeping is guaranteed, the starting time of refrigeration of the compressor can be delayed to the maximum extent, starting according to needs is achieved, unnecessary electric energy consumption of the energy storage power supply under the conditions of instantaneous power failure and short-time power failure is effectively avoided, the effective power supply time of the energy storage power supply is prolonged under the condition of long-time mains supply power failure, and the service life of the energy storage power supply is prolonged. Therefore, the fresh-keeping time of the refrigeration equipment is prolonged.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD

Methods for operating an electric motor, controls for an electric motor, electric motor devices and electrical work equipment

The invention relates to a method for operating an electric motor (130) at a predetermined speed using a controller (150) and a DC voltage source. The controller (150) is designed to regulate the electrical power consumption of the electric motor (130) during operation at the predetermined speed. The DC voltage source provides a DC voltage to supply the electric motor (130) with electrical energy. The method comprises the following steps: 1. The controller (150) detects the voltage value of the DC voltage, and 2. the controller (150) regulates the electrical power consumption based on the voltage value. With this invention, for example, a battery pack can be reliably operated as a DC voltage source even when cold and, if necessary, quickly warmed up.
Owner:ANDREAS STIHL AG & CO KG

Tunnel hole inside and outside linkage intelligent ventilator control device

The utility model relates to a tunnel inside and outside linkage intelligent ventilator control device, which belongs to the tunnel ventilator control field, and comprises a tunnel face and a jet fan, the tunnel face is provided with a monitoring regulation and control assembly, the tunnel face is provided with a mounting assembly, the monitoring regulation and control assembly comprises a cloth hanging trolley arranged in the tunnel face, and the jet fan is arranged on the mounting assembly. And a monitoring unit is fixedly mounted on the outer side of the cloth hanging trolley. According to the tunnel hole inside and outside linkage intelligent ventilator control device, by installing the monitoring regulation and control assembly, personnel control and management cost and timeliness can be saved, the energy-saving effect of avoiding electric energy consumption of equipment can be achieved by adjusting equipment gears in time and automatically switching on and off the equipment, the loss of the equipment can be reduced, and the maintenance cost of the equipment can be reduced; and by installing the installation assembly, when the air quality detectors installed in the tunnel face at intervals are damaged, the air quality detectors can be conveniently and rapidly disassembled and maintained, and then the overall monitoring control quality of the device is improved.
Owner:CCCC SHEC DONGMENG ENG CO LTD

Intelligent diagnosis method and system for tunnel electromechanical equipment faults based on big data

PendingCN122333055AJet flowAir velocity
This invention relates to the field of fault diagnosis technology, specifically to an intelligent fault diagnosis method and system for tunnel electromechanical equipment based on big data. It includes: acquiring power consumption data, pollutant concentration, and natural wind speed data; assessing the air supply pressure at each detection point within the tunnel; calculating the effective air supply output of the jet fan at any given detection point; calculating the energy efficiency index and energy efficiency deviation of the jet fan at that detection point; identifying faulty jet fans and calculating their fault severity, thereby performing fault diagnosis for each faulty jet fan. This invention can significantly improve the accuracy and maintenance efficiency of fault diagnosis for electromechanical equipment within tunnels.
Owner:ZHONGNAN TRANSPORT