34 results about "Equipment supplies" patented technology

The invention provides a multi-merchant hardware equipment supply chain demand intelligent matching method, and relates to the technical field of supply chain management, and the method comprises the steps: obtaining a demand order and supply capability data through a supply chain platform, and enabling the supply capability data to obtain production line test data in real time through an Internet of Things interface; performing preliminary screening based on equipment types and necessary authentication standards; calculating the comprehensive reliability of the optical fiber sensing system by adopting a comprehensive evaluation model fused with nonlinear transformation; calculating the multi-dimensional demand integrating degree of the supplier and the demander through multi-dimensional difference analysis and normalization processing; intelligent sorting is carried out based on weighted scores of configurable weight factors; implementing global productivity monitoring and conflict resolution optimization, and outputting an optimal matching pair; and continuously iteratively optimizing the evaluation model parameters according to the performance feedback data by adopting an incremental learning mechanism. According to the method, accurate matching and dynamic optimization under multi-target constraints are realized, and the supply chain resource configuration efficiency and the system autonomy capability are effectively improved.

A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

The supply of fluid to at least two consumers is particularly advantageous. [Solution] The device has a first flow passage 6, a first consumer 3 supplied with fluid, a pump 7 for transporting fluid from a reservoir 2 through the first flow passage 6, a throttle valve 9 arranged in the first flow passage 6, a second flow passage 11 connected to the first flow passage 6 at a first connection point V1, a second consumer 4 arranged in the second flow passage 11, a valve element 12 movable between a closed position and an open position, and a control line connected to the first flow passage 6 at a second connection point V2.

To provide a vehicle control device that can ensure the withstand voltage of a device, to which the electric power generated by an electric motor is supplied, and can suppress deterioration of power performance during evacuation traveling using an engine.SOLUTION: A vehicle 10 comprises an engine 12, an automatic transmission 28, an electric motor MG that is dragged to rotate in a non-driving state during evacuation traveling using the engine 12, and a relay 62 that connects and disconnects the electric motor MG and a main battery 60. An electronic control unit 100: (a) disconnects the relay 62 based on a predetermined vehicle state, puts the electric motor MG in a non-driving state, and performs evacuation traveling using the engine 12; (b) during the evacuation traveling, calculates the upper limit value Nmg_up of an electric motor rotation speed Nmg based on a stator coil temperature THcoil and a withstand voltage Vws of an air conditioner AC; and (c) during the evacuation traveling, sets an upshift point of the automatic transmission 28 so that the electric motor rotation speed Nmg does not exceed the upper limit value Nmg_up.SELECTED DRAWING: Figure 1

The invention relates to the technical field of intelligent management, and discloses a coal mine equipment intelligent transaction management system and method based on big data, and the system comprises an intelligent matching module, a transaction execution module, a financial risk control module and a data closed-loop module. A data fusion center is arranged, and when equipment supply and demand dynamic matching is carried out, a cross validation rule of a supplier productivity dynamic portrait and coal mine demand characteristics is constructed, and real-time cooperative calculation of multi-source heterogeneous data is supported, so that a system can identify logic conflicts between supplier parameter updating and purchasing demands in real time, the matching scheme deviation rate is eliminated, and the matching efficiency is improved. The transaction decision accuracy is ensured, the risk of resource mismatching caused by data islands is reduced, and the binding relationship between the delivery action and fund transfer is verified in real time by setting the block chain evidence storage module, so that the system can automatically freeze installment payment when the equipment acceptance is abnormal, the traceability period is shortened, and the efficiency is improved. The problem of credit loss caused by non-traceability of the transaction process is solved.

A supply chain risk identification method, system, device and medium belong to the technical field of supply chain risk management. The risk identification method comprises: acquiring characteristic information of a supply chain risk event, the characteristic information of the supply chain risk event comprising event fuzzy description and corresponding parameter information; the parameter information comprising expert evaluation data and supply chain platform operation data; inputting the event fuzzy description into a supply chain language large model for matching processing, and outputting a plurality of risk index items corresponding to the event fuzzy description, the risk index items comprising events affecting supply chain capacity or transportation; and determining the risk levels of the plurality of risk index items corresponding to the parameter information. The risk identification method can improve the supply chain risk identification capability, make it possible to comprehensively perceive multi-source heterogeneous risk factors in the whole chain range and early warn key node risks, and realize dynamic monitoring and accurate identification of complex equipment supply chain operation risks.

The invention discloses a household power distribution device and a household power supply network. The household power distribution device comprises a commercial power input end, an energy storage power supply end, a household power grid end, a switch unit and an energy storage power receiving end. The commercial power input end is used for accessing commercial power; the energy storage power supply end is used for accessing energy storage equipment, and the energy storage equipment supplies power through the energy storage power supply end; the household power grid end is used for accessing a household power grid; one end of the switch unit is electrically connected with a household power grid end, and the other end is communicated with one of the commercial power input end or the energy storage power supply end; the energy storage power receiving end is electrically connected between the commercial power input end and the switch unit, the energy storage power receiving end is used for accessing energy storage equipment, and commercial power charges the energy storage equipment through the energy storage power receiving end. According to the household power distribution device, only the commercial power input line of the commercial power input end and the load output line of the household power grid end need to be connected, and the energy storage equipment can be rapidly and effectively connected into the household power distribution device through the energy storage power supply end to supply power to the household load connected into the household power grid end under the condition of commercial power failure.

According to the energy storage module, the equipment with the energy storage module and the power supply system provided by the invention, the energy storage module is deployed in the power supply system based on the USB interface, so that on one hand, the energy storage module can be communicated with the power supply equipment and the power receiving equipment in the process that the power supply equipment supplies power to the power receiving equipment; on the other hand, under the condition of normal power supply, the energy storage device can be charged until the charging stop condition of the energy storage device is reached; under the condition that the power supply voltage drops instantly due to the fact that the instant power consumption of the power receiving equipment is increased, the energy storage module can utilize the energy storage device to supply power to the power receiving equipment in an auxiliary mode in a discharging mode, stable operation of the power receiving equipment can be effectively guaranteed, and the power supply efficiency is improved. And the restart condition caused by overlarge instant power consumption of the powered device and insufficient power supply of the USB power supply end is effectively reduced.

The invention discloses a model selection optimization method for equipment on a fire fighting truck, which comprises the following steps of: firstly, collecting equipment supply manufacturers on the fire fighting truck, equipment performance indexes and cost of each manufacturer, and respectively scoring the equipment supply by each manufacturer; then establishing a multi-objective optimization mathematical model for equipment type selection on the fire fighting truck, wherein the model comprises optimization variables, constraint conditions and an optimization objective function; and finally, solving the construction cost and the performance score of the whole fire fighting truck under different weights by using a 0-1 planning method through a random weight and combination fusion mode, further calculating the standard deviation of the construction cost and the performance score fluctuation of the whole fire fighting truck, and forming a single optimization objective function based on the fluctuation of a multi-objective function. And selecting manufacturers providing the equipment on the fire fighting truck, and completing type selection optimization of the equipment on the fire fighting truck. The requirements for improving the overall equipment performance of the fire fighting truck and reducing the cost can be better met, the rationality of planning and design of the fire fighting truck is improved, and sustainable development of the fire fighting truck is assisted.

The utility model relates to the technical field of thermal infrared camouflage, and discloses an exhaust device which is characterized in that a shelter is positioned above or on the side surface or below an exhaust nozzle, an outlet of the exhaust nozzle faces the shelter, and ventilation equipment supplies air to a gas channel between the shelter and the outlet of the exhaust nozzle. And an ambient air isolation layer is formed between the shielding object and hot air exhausted from the outlet of the exhaust nozzle. The outlet of the exhaust nozzle faces the shelter, so that the exposure area of the exhaust nozzle in the reconnaissance direction is reduced, but the shelter is not heated due to the isolation effect of the air layer, and the purpose of reducing the thermal infrared exposure of the outlet of the exhaust nozzle is achieved. The flow guide device is arranged to guide air supplied by the ventilation equipment, so that an environment air isolation layer is easier to form. The utility model further discloses a thermal infrared camouflage smoke abatement device which comprises a smoke abatement device and the exhaust device. The utility model further discloses a thermal infrared disguise cooling device which comprises a cooling tower and the exhaust device. The problem of thermal infrared exposure of high-temperature exhaust targets such as a diesel power station and a cooling tower is solved.

The invention provides an energy storage system and a power-off emergency linkage control method, and relates to the technical field of energy storage systems, the energy storage system comprises an energy storage device, a plurality of intelligent circuit breakers and a plurality of load devices, and each intelligent circuit breaker is connected with at least one load device; the energy storage device determines the power utilization priority sequence of the plurality of load devices based on the obtained power utilization priority sequence information; under the condition that the power grid is powered off, the energy storage equipment obtains historical electricity utilization power information of the load equipment through the intelligent circuit breaker; and on the basis of the power utilization priority sequence, the current maximum output power value of the energy storage equipment and the historical power utilization power information, the multiple intelligent circuit breakers are controlled to be switched off or switched on, so that the energy storage equipment supplies power to at least one of the multiple load equipment through the intelligent circuit breakers. According to the technical scheme, electric energy dispatching during power failure of the power grid can be optimized, the energy storage system can preferentially guarantee operation of important loads under the condition of limited output power, and user experience can be improved.

To provide a parallel operation control system suitable for controlling the parallel operation of a plurality of loads.SOLUTION: According to an embodiment, a parallel operation control system includes a determination unit that determines a critical output value of a steam turbine of a first generator and a critical output value of a steam turbine of a second generator during independent parallel operation of the first generator, which is a steam turbine generator, and the second generator, which is a diesel engine generator or a gas engine generator, without power supply from a commercial power supply; A control unit that performs control corresponding to a load, which is a facility to which power is supplied by each generator, on the other generator, wherein the determination unit re-determines the limit output value every time a predetermined time elapses.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of drain boards, in particular to an energy-saving insulation measurement type drain board capable of draining water quickly, which comprises a drain hollow board. The drainage plate core is arranged in the middle of the interior of the drainage hollow plate, the wire embedding groove is formed in the center of the front side of the drainage plate core, the metal wire is arranged in the wire embedding groove, and the metal wire and the drainage plate core are integrated in an injection molding mode; a sealing joint is arranged at the center of the front side of the drainage plate core corresponding to the wire embedding groove; according to the utility model, the connecting wire of the external electrifying equipment is inserted into the sealing joint and is connected with the metal wire, and when the external electrifying equipment supplies power to the metal wire, a magnetic field is formed between the drainage hollow plate and the soil body through the electrified metal wire; under the influence of the magnetic field, water in the soil body is guided to quickly penetrate through the filter cloth to move into the drainage hollow plate, so that the drainage efficiency of the soil body is improved.

The invention relates to a device (1) for protecting an item of equipment (E) to be supplied with power by a high-voltage DC bus (B), characterized by an inhibition circuit (15) intended to disconnect the high-voltage DC power source (S) and having a trigger (153) that is configured, in response to an activation signal (S1), to adopt a position (P1) that causes a signal (S2) commanding stoppage of the source (S) to be sent, the trigger (153) being connected to a first manual command means (154) that when actuated causes the trigger (153) to change from the position (P1) to a second position that does not cause the signal (S2) to be sent, and an abnormal voltage (VB) detection circuit (13), which is configured to send the signal (S1) when a voltage (VB) greater than a prescribed threshold (VMAX), which is greater than the nominal DC supply voltage value (HVDCNOM), is detected.

The invention discloses a switching control circuit, a switching control method and a power distribution cabinet, and relates to the technical field of electronic power, and the switching control circuit is characterized in that when a power grid supplies power, a control unit sends out a power grid power supply signal and a power generation equipment disconnection signal; the power generation equipment control module controls power generation equipment to stop supplying power according to the grid power supply signal and the power generation equipment disconnection signal; the power grid control module delays the power grid power supply signal and controls the power grid to start power supply according to the delayed power grid power supply signal; when the power generation equipment supplies power, the control unit sends a power grid disconnection signal and a power generation equipment power supply signal; the power grid control module controls the power grid to stop power supply according to the power grid disconnection signal and the power generation equipment power supply signal; and the power generation equipment control module delays the power generation equipment power supply signal and controls the power generation equipment to start power supply according to the delayed power generation equipment power supply signal. According to the invention, the problems of complicated operation and incapability of realizing seamless switching during power supply switching in the prior art can be solved.

The utility model relates to the technical field of circuits, and discloses a circuit for terminal phase sequence protection, which is characterized by comprising a phase sequence protector and an intermediate relay, L1, L2 and L3 terminals of the phase sequence protector are respectively connected with A phase, B phase and C phase of a three-phase power supply, the L1 terminal of the phase sequence protector is connected with a No.11 pin of the phase sequence protector, and the L2 terminal of the phase sequence protector is connected with a No.12 pin of the phase sequence protector. A No.12 pin of the phase sequence protector is connected with a coil A1 of the intermediate relay through a power line, and a coil A2 of the intermediate relay is connected with an N phase of the three-phase power supply. When the phase sequence protection device is used, a power line of equipment with phase sequence protection requirements is connected to the wiring terminal strip, so that when the equipment supplies power, as long as the phase sequence is wrong, the phase sequence protector works, the normally-closed auxiliary contact is disconnected, the intermediate relay loses power, and the electrical equipment with the phase sequence requirements is controlled to be powered on and off, the contactor cannot be closed; therefore, a phase sequence protection function is realized.

The application provides an energy storage system and off-grid energy storage equipment, and relates to the technical field of energy storage systems.The energy storage system comprises: off-grid energy storage equipment, which comprises an AC charging interface, an AC discharging interface, an AC standby power interface and an energy storage converter, and the AC standby power interface is used for connecting a load device; and a grid-connected conversion device, which comprises an AC output port, an AC input port, a grid-connected interface and an electric energy conversion device, the AC output port is connected with the AC charging interface, and the AC input port is connected with the AC discharging interface; when the power grid normally supplies power, the electric energy of the off-grid energy storage equipment is output through the grid-connected interface; or, the electric energy of the power grid supplies power to the load device; when the power grid is powered off, the off-grid energy storage equipment supplies power to the load device through the AC standby power interface.In the technical scheme of the application, the idle off-grid energy storage equipment is incorporated into the grid-connected system through the grid-connected conversion device, so that the off-grid energy storage equipment participates in the peak-valley regulation of the power grid, and the energy storage system can realize uninterrupted power supply to the load device.

The application discloses a supply chain event construction method, system and device based on a business data flow, and belongs to the technical field of supply chain management. The supply chain event construction method comprises the following steps: S1, acquiring a supply chain business data flow; S2, performing structural processing on the supply chain business data flow; S3, performing multi-dimensional feature extraction on the business data flow after the structural processing, wherein the multi-dimensional features comprise trend features, cycle features and abnormal features; S4, performing state legality verification by using a Markov chain based on the feature extraction result, so as to ensure that the supply chain event conforms to a business process specification; and S5, performing time sequence correlation rule matching on the business data flow after the state legality verification, and generating a supply chain event. Through the structural processing on the business data flow, the application realizes intelligent identification and dynamic modeling of complex equipment supply chain events, and provides a reliable data basis for risk monitoring and resource scheduling.

A laser drying device for drying an electrode mixture layer, wherein the laser drying device includes a furnace body, a rectifier plate, a laser light source, and hot air supply equipment, the rectifier plate is arranged in an interior of the furnace body, is arranged between the electrode mixture layer and the laser light source, and is configured so as to transmit laser light, the laser light source irradiates the electrode mixture layer with laser light via the rectifier plate, and the hot air supply equipment supplies hot air between the rectifier plate and the electrode mixture layer.

The application discloses a kind of multi-channel dynamic high-temperature positive bias test device and test method.The multi-channel dynamic high-temperature positive bias test device includes: a plurality of test channels, provide the bias current required for aging test, gate bias and signal acquisition in the power electronic device module in the power electronic device to be measured;Multiple water-cooled plates, one or at least two test channels share a water-cooled plate, and the water-cooled plate is used to cool the power electronic device and control the shell temperature of the power electronic device;Water-cooled machine, multiple water-cooled plates share water-cooled machine;Full-channel public resource module, including industrial control equipment, power supply equipment, static parameter test channel module and measuring source table;Among them, industrial control equipment controls multi-channel dynamic high-temperature positive bias test device;Power supply equipment supplies power to multi-channel dynamic high-temperature positive bias test device;Static parameter test channel module and measuring source table constitute static parameter test loop, and the static parameter of power electronic device is tested.

The invention provides a diesel storage cabinet power supply system and a control method, the system comprises a diesel generating set, an energy storage device and an EMS, the energy storage device is used for connecting electric equipment, the diesel generating set is electrically connected with the energy storage device, the EMS is in communication connection with the energy storage device, and the EMS comprises a forced start switch, a discharge control module, a forced charge module and a forced start module. Emergency power supply of the power supply system is achieved through the forced start switch of the EMS, it is prevented that when the energy storage equipment supplies power, the electric equipment is affected to complete emergency tasks, the energy storage equipment is charged through the forced charging module, and it is prevented that the electric quantity of the energy storage equipment is too low to affect normal use of the electric equipment or cause permanent damage to the energy storage equipment.

The electric vehicle comprises a lock control circuit, the lock control circuit comprises a USB interface, a first battery pack, an electronic lock, a control module and an identity verification module, the lock control circuit is electrically connected with external power supply equipment through the USB interface, and the external power supply equipment supplies power to the first battery pack, the electronic lock, the control module and the identity verification module; the identity verification module responds to the identity verification instruction and obtains identity recognition information; if the identity identification information is consistent with the preset identity information, the control module obtains a first output voltage of the first battery pack; if the first output voltage is smaller than or equal to the preset voltage threshold value, the control module controls the electronic lock to be unlocked. According to the electric vehicle, the electronic lock in the electric vehicle can be unlocked under the condition that the whole vehicle is insufficient in power or the battery is removed, a physical unlocking structure does not need to be relied on, and safety and convenience are improved.

The invention provides a power supply method and a power distribution system, and relates to the technical field of power supply. The power distribution system comprises a control circuit, a power distribution box body, a first switch, a first power supply line used for being connected with a power grid and a second power supply line used for being connected with energy storage equipment, the power distribution box body is connected with the first power supply line through the first switch, and a current detection device is arranged on the first power supply line. The second power supply line is connected with the distribution box body. The control circuit can obtain the detection result of the current detection device. When the detection result shows that the flow detection device works abnormally, the first switch is controlled to be switched off; and determining the output power of the energy storage equipment based on the load power required by each of the plurality of load power supply lines in the distribution box main body, so that the energy storage equipment supplies power to the plurality of load power supply lines based on the output power. Therefore, normal power supply of the power distribution system is ensured.

The utility model provides shower equipment which can be switched to a heat preservation mode without cutting off water flow, so that a user can conveniently keep the body temperature in the shower process, and the shower experience is improved. The shower apparatus includes a first shower head, a second shower head, and a flow path switching apparatus. The first shower head is mounted on the first side wall of the shower room; the second shower head is mounted on a second side wall of the shower room, and the first shower head and the second shower head can provide shower water for a user at a specified position in the shower room from different directions; the flow path switching device communicates with both the first shower head and the second shower head and has a plurality of water supply modes. The plurality of water supply modes comprise a drip washing mode and a heat preservation mode, and in the drip washing mode, the flow path switching equipment supplies hot water to the first shower head; in the heat preservation mode, the flow path switching device supplies hot water to the second shower head. The flow path switching device can be switched from the drip washing mode to the heat preservation mode in the mode that water flow is not turned off.

The invention discloses a service data flow-based supply chain event construction method, system and equipment, and belongs to the technical field of supply chain management. The supply chain event construction method comprises the following steps: S1, acquiring a supply chain service data stream; s2, performing structured processing on the supply chain service data flow; s3, performing multi-dimensional feature extraction on the service data stream after the structured processing, wherein the multi-dimensional features comprise a trend feature, a periodic feature and an abnormal feature; s4, based on a feature extraction result, performing state legality verification by using a Markov chain to ensure that a supply chain event conforms to a business process specification; and S5, performing time sequence association rule matching on the service data flow subjected to the state legality verification to generate a supply chain event. According to the method, intelligent identification and dynamic modeling of the complex equipment supply chain event are realized through structured processing of the service data flow, and a reliable data basis is provided for risk monitoring and resource scheduling.

The invention discloses a voltage adjusting method and device, related equipment, a storage medium and a computer program product. The method comprises the steps that in the process that second equipment supplies power to first equipment, the first equipment receives a first signal sent by the second equipment, and the first signal is used for indicating adjustment of first voltage between a first unit and a second unit of the first equipment; the first signal is sent based on a detection result associated with the power consumption of the first device, the first unit is used for adjusting a second voltage provided by the second device to the first voltage, and the second unit is used for supplying power to a chip of the first device by using the first voltage. The first equipment has a conversion function between a digital signal and a radio frequency signal; and adjusting the first voltage based on the first signal so as to enable the power consumption of the first equipment to meet the requirement.

The present invention provides an information processing device that enables appropriate abnormality diagnosis of equipment supplied with crude oil. [Solution] The information processing device 7 includes a crude oil component data acquisition unit 700 that acquires crude oil component data for prediction, which indicates the components of the crude oil supplied to the equipment to be predicted; an equipment status data acquisition unit 701 that acquires equipment status data for prediction, which indicates the state of the equipment to be predicted; and a prediction processing unit 702 that predicts the occurrence of abnormalities in the equipment to be predicted based on equipment diagnostic data output by inputting the crude oil component data for prediction and the equipment status data for prediction into the learning model 14. The learning model 14 is a trained model that has been trained by machine learning to learn the relationship between the crude oil component data and equipment status data to be learned and equipment diagnostic data indicating the diagnostic result of the equipment to be learned when crude oil with the components indicated by the crude oil component data to be learned is supplied to the equipment to be learned in the state indicated by the equipment status data to be learned.

A cable tester for a Power over Ethernet configuration includes a PSE port connected through an Ethernet cable to a power sourcing equipment, a PD port connected through an internal connection circuit loop to the PSE port and connected through a device connection cable to a powered device, and a processing unit connected to the PSE port and the PD port. The processing unit communicates with the power sourcing equipment through the PSE port by executing a power supply determination algorithm, and establishes a power supplying agreement with respect to the powered device, based on a predetermined power supply protocol and a powered-end power supply protocol, so that the power sourcing equipment supplies an electrical power with a specific power range according to the power supplying agreement to the powered device. A voltage measurement unit is used to measure a voltage value of the electrical power delivered by the power sourcing equipment. A current measurement unit is used to measure a current value of the electrical power delivered by the power sourcing equipment to the powered device. A resistance test port is connected through a test circuit loop to the processing unit, so that the processing unit is allowed to carry out a resistance measurement and a conduction status test for a cable to be tested.

The utility model provides a sealing tape rocker arm device of a feeder, and relates to the technical field of feeders. The feeder belt sealing rocker arm device comprises a main body part, one end of the main body part is rotationally connected with a first rolling shaft, the portion, located on one side of the first rolling shaft, of one end of the main body part is rotationally connected with a second rolling shaft, the two ends of the second rolling shaft are slidably connected with protruding rings, and adjusting assemblies are arranged in the two ends of the second rolling shaft correspondingly. The adjusting assembly is used for adjusting the position of the protruding ring on the outer side of the second rolling shaft. According to the sealing belt rocker arm device of the feeder, the adjusting assembly used for adjusting the position of the convex ring is arranged in the second rolling shaft, so that the position of the convex ring can be adjusted when the device supplies sealing belts with different widths, the sealing belt rocker arm device can adapt to the sealing belts with different widths, the application range of the device is greatly widened, and the practicability of the device is improved. And practical application and operation are facilitated.