48 results about "Motor loop" patented technology

The invention relates to the technical field of vehicle parts, in particular to a thermal management integration module, a thermal management integration system and a vehicle. The heat management integration module comprises a runner plate, a heat exchanger and a pump body, a plurality of built-in runners are arranged in the runner plate, the heat exchanger and the pump body are both integrated on the runner plate, and the pump body is used for driving cooling liquid to circulate in the built-in runners; the at least one built-in flow channel is used for communicating with an external motor loop, the at least one built-in flow channel is used for communicating with an external battery loop, and the heat exchanger is located on a refrigerant flow path and the external battery loop of the vehicle at the same time; and the runner plate is integrally formed. According to the integrated module, the battery loop and the motor loop are integrated on the runner plate through the multiple built-in runners, all units of the battery loop and all units of the motor loop do not need to be connected through parts such as pipelines, parts of the thermal management integrated system are reduced, assembly is facilitated, the assembly efficiency is improved, and the space utilization rate is increased; and the leakage and fault risks caused by the pipeline are reduced.

The invention provides an integrated thermal management system, a control method and a vehicle. The system comprises a five-way valve integrated module, a motor loop, a battery loop, a heating loop and a controller. Wherein the five-way valve integration module is integrated with a five-way valve and three water pumps; the controller is used for generating a control instruction according to the heat management mode, and the control instruction is used for controlling the communication state of the five-way valve integration module, the motor loop and the battery loop; the three water pumps are respectively connected in series with the battery loop, the heating loop and the motor loop; and the five-way valve is used for controlling the driving mechanism to drive the valve element to rotate according to a control instruction and communicating at least two target connector pipes in the five connector pipes, so that pipe orifices of target loops connected with the at least two target connector pipes are communicated, and a heat management loop corresponding to the heat management mode is formed. The integration of parts is improved, and the number of connecting pipelines and the number of control motors are reduced.

The invention provides a thermal management system of a vehicle battery and a control method. The thermal management system comprises a heating loop, a cooling loop, a motor loop, a four-way valve and a battery pack, and a heat management controller in the vehicle responds to the condition that the temperature of the water outlet of the battery pack reaches a preset condition, and controls the heating loop, the cooling loop and the motor loop to be selectively communicated through the corresponding water inlet and outlet of the four-way valve, so that the temperature of the water outlet of the battery pack is within a calibration range. The four-way valve is additionally arranged between the motor loop and the heating loop, so that the motor loop can be communicated under specific conditions, and better cooling is achieved.

This application provides a motor load adaptive adjustment method based on analog circuits, relating to the field of motor control technology, including the following steps: converting the load current in the motor circuit into a first voltage signal, and generating a mode selection signal based on the amplitude and rate of change of the signal; wherein, when the amplitude of the first voltage signal exceeds a first threshold and its rate of change exceeds a second threshold, the mode selection signal indicates a dynamic response mode; otherwise, the mode selection signal indicates a steady-state adjustment mode; when the indication is a steady-state adjustment mode, the first voltage signal is introduced into a first path, which includes a first error amplifier with a first proportional coefficient; when the indication is a dynamic response mode, the first voltage signal is introduced into a second path, which includes a second error amplifier with a second proportional coefficient greater than the first proportional coefficient; generating and outputting a motor drive signal according to the adjustment signal output from the selected path.

This application provides an integrated thermal management system, control method, and vehicle. The system includes a five-way valve integrated module, a motor circuit, a battery circuit, a heating circuit, and a controller. The five-way valve integrated module integrates a five-way valve and three water pumps. The controller generates control commands based on a thermal management mode, which control the connection status between the five-way valve integrated module and the motor circuit and battery circuit. The three water pumps are connected in series with the battery circuit, heating circuit, and motor circuit, respectively. The five-way valve, according to the control commands, controls the drive mechanism to rotate the valve core, connecting at least two of the five interface pipes to the target interface pipes, thereby connecting the ports of the target circuits connected to the at least two target interface pipes to form a thermal management circuit corresponding to the thermal management mode. This application improves component integration and reduces the number of connecting pipes and control motors.

The utility model provides a thermal management integrated device, a thermal management integrated system and a vehicle, the thermal management integrated device comprises a runner plate, and the runner plate is provided with a plurality of runners; a plurality of valves are integrated on the runner plate and used for controlling circulation of heat exchange media in the multiple runners. A plurality of driving parts are integrated on the runner plate and are used for driving the heat exchange medium to flow in the runners; wherein the at least one driving piece is communicated with the at least one flow channel and used for being connected with an external warm air loop, and the at least one driving piece and the at least one valve are communicated through the at least one flow channel and used for being connected with an external battery loop. The at least one driving piece and the at least one valve are communicated through the at least one flow channel and are used for being connected with an external motor loop. According to the thermal management integrated device, the thermal management integrated system and the vehicle, the integration degree of parts can be improved, and assembling is convenient.

The embodiment of the present application provides a kind of heat management integrated module and vehicle, heat management integrated module includes motor, battery, liquid pump, radiator, evaporator and first multi-way valve.Radiator is cooled to motor and forms motor loop with liquid pump.Battery has import side and export side, the import side of battery is communicated with the position of motor loop between liquid pump and radiator, the export side of battery is communicated with the position of motor loop between motor and liquid pump.Evaporator has import side and export side for cooling liquid to enter and exit, the import side of evaporator is communicated with the export side of battery, the export side of evaporator is communicated with the position of motor loop between motor and liquid pump.First multi-way valve is communicated with the export side of motor and the export side of evaporator, first multi-way valve can control the on-off of motor loop, and the on-off of the export side of motor and the export side of evaporator with motor loop, to integrate motor loop with battery and evaporator, reduce complexity, simplify the layout of vehicle.

The invention provides a fault processing method, a storage medium and a vehicle, and the method comprises the steps: obtaining the first opening information of a target liquid pump in a motor loop, and carrying out the fault detection of the target liquid pump based on the first opening information, and obtaining a first detection result; under the condition that the first detection result represents that the target liquid pump has the fault, a relay of the target liquid pump is controlled to execute target operation; second opening degree information of the target liquid pump is obtained, fault detection is carried out on the target liquid pump again based on the second opening degree information, and a second detection result is obtained; and under the condition that the second detection result represents that the target liquid pump has the fault, the standby liquid pump is started to work, so that the liquid in the motor loop is driven to flow through the standby liquid pump. According to the technical scheme, faults can be quickly handled, normal work of the target liquid pump can be recovered in time, the fault handling efficiency is improved, the maintenance cost is reduced, and it is avoided that faults of the target liquid pump affect the running safety of the motor.

The invention provides an integrated thermal management module and a vehicle. The integrated heat management module comprises a battery loop integration unit with a first battery loop interface and a second battery loop interface, a warm air loop integration unit with a first warm air loop interface and a second warm air loop interface, a motor loop integration unit, a four-way integrated valve and a controller. The motor loop integration unit comprises a first motor loop connector, a second motor loop connector, a third motor loop connector and a fourth motor loop connector, and the four-way integrated valve is in fluid communication with any one of the battery loop integration unit, the warm air loop integration unit and the motor loop integration unit. The controller is used for generating control instructions for controlling the fluid communication states of the four-way integrated valve, the battery loop integrated unit, the warm air loop integrated unit and the motor loop integrated unit according to the heat management mode. Through the highly integrated design, the complexity and the maintenance cost of the system are reduced, and the noise is reduced.

The utility model discloses a motor protection device supporting distributed electrical fire monitoring and detection. The motor protection device comprises a display module used for displaying electrical fire monitoring and detection information, a main body module used for realizing motor control and protection, a fire protection loop used for monitoring hidden dangers around a motor, and a motor loop used for monitoring wire inlet current of the motor. The display module integrates an electrical fire monitoring function, keeps a small size and an embedded installation mode of a conventional motor display module, and does not occupy other space in the cabinet. According to the utility model, while the motor is controlled and protected, high-risk fire hazard points near the running motor are monitored through the display module, and when a power failure is caused by a fire hazard, a power supply provided by the main body integrated energy storage module is obtained, so that stable alarm and uploading are ensured when the power supply is lost; the data of each high-risk hidden danger point near the motor can be stably uploaded through a bus, and the operation reliability of the motor is improved.

The utility model belongs to the steel production technical field discloses a kind of steel car on-site operation remote control system, including operation box, and the controller being communicated with operation box;Operation box is equipped with ladle capping walking motor, ladle capping hook motor and the operating circuit for driving;Operating circuit includes walking motor loop, hook motor loop and power supply loop;Walking motor loop includes circuit breaker QF1, circuit breaker QF2, ac contactor KM1, ac contactor KM2, thermal relay FR1 and three-phase ac motor M3~;Hook motor loop includes circuit breaker QF1, circuit breaker QF3, ac contactor KM3, ac contactor KM4, thermal relay FR2 and three-phase ac motor M3~;Power supply loop is connected by circuit breaker respectively.The utility model has realized the remote operation of equipment, and operator can operate equipment far from dangerous source and place of sight difference, avoid the harm caused by molten steel spatter etc., or the equipment operation accident caused by sight difference.

This invention relates to the field of power equipment technology and discloses a method and network monitoring system for monitoring disconnect switches, used to achieve effective monitoring of disconnect switches. The method for monitoring disconnect switches includes: collecting multi-dimensional information about the disconnect switch and its associated equipment, including motor circuit voltage, current, opening and closing angles, number of operations, video monitoring, and temperature and humidity; combining real-time external interlocking node status with an analogy model of motor current versus opening and closing angles; comprehensively evaluating the working status of the disconnect switch; and determining whether the disconnect switch needs maintenance based on this evaluation.

The invention relates to a motor wiring terminal structure and an installation method thereof.The motor wiring terminal structure comprises an installation plate, a rod-shaped motor terminal body and a power line cold-pressing connector, the motor terminal body is arranged on the installation plate in a penetrating mode, the upper portion of the motor terminal body is sleeved with the power line cold-pressing connector, and a crimping pipe used for being connected with a wire is arranged at the lower end of the motor terminal body; the wire is inserted into a wire connecting hole channel in the middle of the crimping pipe and is pressed by the crimping pipe, and welding notches which are communicated with the wire connecting hole channel and used for being filled with welding flux are formed in the two sides of the crimping pipe. According to the motor wiring terminal structure, the wire and the motor terminal body can be connected more tightly, the loop resistance of the motor can be effectively located at a required value, the loop resistance is excellent and stable, manual installation and wiring are facilitated, the reproduction rate is high, materials cannot be corroded by refrigerants, and the motor wiring terminal structure has the advantages of improving the motor performance, reducing the reject ratio and reducing the cost. And the method is of great significance in improving the field installation speed and reducing the installation error rate.

The present invention is relative to a thermal machine (100), operating with a thermal fluid for realizing a thermodynamic cycle, comprising a power unit (1) and a motor circuit (10). The power unit comprises a first operating chamber (3A) and a second operating chamber (3B), housing power transformation organs connected with each other by means of a drive shaft (8). The thermal machine comprises also a lubrication branch (50), operatively active on a casing (2) of the power unit and configured for being affected by a first flow of the thermodynamic fluid for lubricating at least the drive shaft.

The invention relates to a vehicle and belongs to the field of automatic control. The vehicle comprises an electric pile loop system, a motor loop system, a battery loop system and a warm air loop system. The warm air loop system is communicated with at least one of the electric pile loop system, the motor loop system and the battery loop system; when the warm air loop system is communicated with the electric pile loop system, the warm air loop system is used for providing heat for the electric pile loop system; when the warm air loop system communicates with the battery loop system, the warm air loop system is used for providing heat for the battery loop system; and when the warm air loop system communicates with the motor loop system, the motor loop system is used for providing heat for the warm air loop system. In the application, the warm air loop system is communicated with at least one of the electric pile loop system, the motor loop system and the battery loop system, so that the energy between the systems can be recycled, and the energy utilization rate of the vehicle is improved.

The invention provides a control method, system and equipment for a vehicle heat pump system and a medium, and the control method comprises the steps that the operation condition of the vehicle heat pump system, the water temperature of a motor outlet in a motor loop and the water temperature of a cooler inlet in a battery loop are obtained, and the air inlet parameter and the air outlet parameter of an evaporator in a passenger compartment loop and the air volume passing through the evaporator are obtained; battery parameters and water pump flow in a battery loop are obtained; according to the air inlet parameters, the air outlet parameters and the air volume, passenger compartment required energy is calculated; calculating battery demand energy according to battery parameters and water pump flow; calculating system demand energy according to the passenger compartment demand energy and the battery demand energy; according to the operation working condition, the system demand energy, the water temperature of a motor outlet or the water temperature of a cooler inlet, the rotating speed of a compressor is obtained; and the opening degree of a refrigerant valve is obtained according to the operation working condition, the system demand energy and the water temperature of a motor outlet. Effective optimization of energy driving of the heat pump system can be achieved, and excessive refrigeration or excessive heating is avoided.

The invention discloses a thermal management system and method, a vehicle, a device, electronic equipment and a storage medium. According to the main technical scheme, the thermal management system comprises a five-way valve 101, a water-cooling intercooler 102, a motor loop 20, a radiator 103 and a battery loop 30; a first interface of the five-way valve 101 is communicated with a first end of the motor loop 20; a second interface of the five-way valve 101 is communicated with a first end of the water-cooling intercooler 102; a third interface of the five-way valve 101 is communicated with a first end of the radiator 103, and a second end of the radiator 103 is communicated with a second end of the water-cooling intercooler 102 and a second end of the motor loop 20; a fourth interface of the five-way valve 101 is communicated with a first end of the battery loop 30, and a second end of the battery loop 30 is communicated with a second end of the water-cooling intercooler 102 and a second end of the motor loop 20; and a fifth interface of the five-way valve 101 is communicated with the second end of the water-cooling intercooler 102 and the second end of the motor loop 20. According to the scheme, the integrated design of the motor loop, the water-cooling intercooler and the battery loop is realized through the five-way valve, the cost is reduced, and the control logic of the thermal management system is simplified.

The application provides an integrated thermal management system, a control method and a vehicle, and the system comprises a controller, a seven-way valve integrated module, a battery circuit, a heating circuit and a motor circuit; wherein the seven-way valve integrated module is integrated with a seven-way valve, a water tank and three water pumps; the controller is used for generating a control instruction according to a thermal management mode, and the control instruction is used for controlling the communication state of the seven-way valve integrated module and the heating circuit, the battery circuit and the motor circuit; the three water pumps are connected in series with the battery circuit, the heating circuit and the motor circuit respectively; the seven-way valve is used for controlling the driving mechanism to drive the valve core to rotate according to the control instruction, and at least two target interface pipes in the seven interface pipes are communicated, so that the pipe openings of the target circuits connected with the at least two target interface pipes are communicated, and a thermal management circuit corresponding to the thermal management mode is formed. The application improves the integration of components, reduces the number of connecting pipes and the number of control motors.

The invention belongs to the technical field of circuit detection, and discloses a control brake circuit of a three-station mechanism and a detection method thereof, and the control brake circuit comprises an isolation switch motor loop and brake loop, an isolation switch control loop, a grounding switch motor loop and brake loop, and a grounding switch control loop. The invention provides a control brake circuit of a three-station mechanism and a detection method thereof, and the control brake circuit comprises an isolation switch motor loop and a brake loop, an isolation switch control loop, a grounding switch motor loop and a brake loop, and a grounding switch control loop, and can achieve the positive and negative rotation of an isolation motor and a grounding motor. And the three-station mechanism is driven to realize three working states of isolation switching-on, switching-off and grounding switching-on. The brake loop of the isolating switch and the grounding switch can realize quick braking of the motor after the mechanism is switched on and switched off in place, and solves the problem of overshoot movement of the mechanism. The invention also provides a detection method for detecting whether the brake circuit is normal or not by measuring the resistance value of the circuit.

The invention discloses a thermal management system, a control method, a storage medium and a vehicle. The system comprises a first condenser and a second condenser which are connected in series, the first condenser is connected with a first water-cooling evaporator through a first electronic expansion valve, and the second condenser is connected with the first water-cooling evaporator through an electromagnetic valve and a compressor; the first condenser is connected with the second water-cooling evaporator through a second electronic expansion valve, and the second condenser is connected with the second water-cooling evaporator through a compressor and an electromagnetic valve; the passenger cabin cooling loop is connected with the first water-cooling evaporator, the passenger cabin heating loop is connected with the first condenser and the second condenser through a third three-way valve and a first water pump, and the battery loop is connected with the second water-cooling evaporator; the motor loop is connected with the first condenser and the second condenser through a first three-way valve, a second three-way valve and a third three-way valve. The technical problem that the energy efficiency performance is poor due to the fact that an existing heat management system adopts a single evaporator is solved.

The application provides a manifold assembly, a thermal management integrated module and an electric vehicle. The manifold assembly comprises a manifold body and a partition. The manifold body has a first flow channel, a second flow channel and a first communication flow channel. The first flow channel is in communication with a first liquid pump and a motor in the thermal management integrated module, and together forms a motor loop flow channel for the circulation of a cooling medium. The second flow channel is in communication with a second liquid pump and a battery in the thermal management integrated module, and together forms a battery loop flow channel for the circulation of the cooling medium. The first communication flow channel is in communication with the first flow channel and the second flow channel. The partition is arranged in the first communication flow channel. The partition is configured to block the communication between the first flow channel and the second flow channel in the first communication flow channel, and allows the cooling medium to pass through. The manifold assembly of the application can reduce the energy loss caused by heat cross between the cooling media in the loop flow channels, thereby avoiding the excessive energy loss affecting the heat exchange performance of the vehicle.

The present application provides a temperature control method and system for a vehicle motor circuit. Components within the motor circuit include a motor, a motor controller, an onboard onboard controller (OBC), and a DC-DC converter. The method includes: obtaining temperature information fed back from each component, including motor temperature information, motor controller temperature information, OBC temperature information, and DC-DC temperature information; setting a first temperature control strategy for charging conditions based on the motor and motor controller temperature information; and setting a second temperature control strategy for non-charging conditions based on the OBC and DC-DC temperature information; and controlling the motor circuit temperature below a preset threshold based on the first and second temperature control strategies. Implementation of this method can reduce vehicle costs.

The utility model discloses an eVTOL heat management system and an aircraft, and relates to the field of aircrafts, the heat management system comprises a motor loop, a battery loop and a control mechanism, the motor loop comprises a heat dissipation mechanism and at least one motor, the heat dissipation mechanism and the motor can be connected in series through a first pipeline, and the first pipeline is used for circulating a heat carrying medium; when the number of the motors is at least two, the at least two motors are connected in parallel through the first pipeline, the heat dissipation mechanism is used for cooling the motors, the battery loop comprises at least one battery pack, and when the number of the battery packs is at least two, the at least two battery packs are connected in parallel through the second pipeline. The second pipeline is used for circulating a heat-carrying medium, the control mechanism is used for controlling the on-off of the motor loop and the battery loop and connecting the motor loop and the battery loop in series, the overall structure is simple, and the heat management efficiency is high.

The utility model provides an isolating switch detection device, which comprises a power supply module, a motor loop detection unit, a control loop detection unit and a motor running state detection circuit, the motor loop detection unit and the control loop detection unit are arranged in parallel; the motor loop detection unit is connected with the isolating switch operation box to be detected so as to drive a motor loop in the isolating switch operation box to be detected; the control loop detection unit is connected with the to-be-detected isolating switch operation box and is driven by a control loop in the to-be-detected isolating switch operation box; the motor running state detection circuit is connected with the to-be-detected isolating switch operation box and is used for acquiring current information and voltage information of a motor loop in the to-be-detected isolating switch operation box; the power supply module is connected with the motor loop detection unit, the control loop detection unit and the motor operation state detection circuit.

The invention relates to the field of transformer on-load tap-changers, and provides a transformer on-load tap-changer remote gear shifting device which is suitable for auxiliary gear shifting work of test items such as a power transformer direct-current resistance test, a transformation ratio test and an on-load tap-changer test. Comprising a conventional on-load tap-changer and further comprises a control chip electrically connected to a motor loop and a control loop in the on-load tap-changer. M bits in the control chip can be used as a plurality of hard buttons or HMI virtual buttons to be connected with input equipment; q bits in the control chip are a plurality of control interfaces and serve as output units, and a worker can change the running state of a corresponding relay on the Q bits by controlling input equipment of the M bits; a tester can remotely adjust the gear of the on-load tap-changer while operating the test instrument, test items such as a direct-current resistance test, a transformation ratio test and an on-load tap-changer test which need to change the gear of the tap-changer are independently completed, and manual gear adjustment is not needed.

The invention provides an air conditioning system, a control method and device of the air conditioning system and a storage medium. The air conditioner comprises a direct current port electrically connected with a motor loop of the air conditioner and an alternating current port electrically connected with a control loop of the air conditioner; a DC power supply device configured to be electrically connected with the DC / DC converter; the direct current bus is configured to be electrically connected with the DC / DC converter and the direct current port so as to provide direct current for the direct current port; the energy storage converter comprises a first port connected with a power grid through a switch and a second port electrically connected with the direct current bus, and the first port is electrically connected with the alternating current port; a detection device configured to detect a bus voltage of the DC bus; and the control device is configured to judge whether the power grid is powered down or not according to the bus voltage, control the on-off state of the switch and the working mode of the energy storage converter according to the judgment result, and provide alternating current for the alternating current port.

The utility model discloses a motor drive protection circuit and a motor assembly, and belongs to the technical field of motor drive, the motor drive protection circuit comprises a drive circuit, a sampling circuit, a voltage comparison circuit and a reset circuit, the drive circuit is connected with a servo motor, and the sampling circuit is connected with the servo motor. The voltage comparison circuit comprises a voltage stabilizing loop and an optical coupling loop which are connected with each other, one end, far away from the optical coupling loop, of the voltage stabilizing loop is connected with the sampling circuit, and one end, far away from the voltage stabilizing loop, of the optical coupling loop is connected with the reset circuit; a monitoring circuit is also connected between the sampling circuit and the voltage stabilizing loop, and the monitoring circuit is used for monitoring the current change of the motor loop; and the reset circuit is used for automatically trying to recover normal power supply after the motor is short-circuited. The motor driving protection circuit can cut off a power supply in time after a short circuit fault occurs in the circuit so as to protect the motor; and after the external fault is removed, protection can be automatically closed, so that the motor recovers a normal working state.

The invention provides an integrated heat management system, a control method and a vehicle. The system comprises a nine-way valve integrated module, a motor loop, a battery loop, a heating loop, a heat exchange loop and a controller. Wherein the nine-way valve integration module is integrated with a nine-way valve, a liquid cooling condenser, a heat exchanger, a battery water pump, a motor water pump and a warm air water pump; a controller for generating control according to the thermal management mode; the liquid cooling condenser and the warm air water pump are connected in series with the heating loop, and the heat exchanger is connected in series with the heat exchange loop; and the nine-way valve is used for controlling the driving mechanism to drive the valve element to rotate according to the control instruction and communicating at least two target interface pipes in the nine interface pipes, so that pipe orifices of target loops connected with the at least two target interface pipes are communicated, and a heat management loop corresponding to the heat management mode is formed. Integration of parts is improved, and the number of connecting pipelines and the number of control motors are reduced.

The invention belongs to the technical field of automobile thermal management, and particularly relates to a range-extended automobile thermal management system, a control method, a valve body assembly and an automobile, and the range-extended automobile thermal management system comprises a front end loop at least comprising a first low-temperature radiator; the motor loop at least comprises a rear motor; and when the water temperature of the outlet of the first low-temperature radiator is lower than a first preset temperature, the cooling liquid flowing out of the rear motor flows through the first low-temperature radiator for heat exchange and then flows into the rear motor again. The problems that an automobile is low in heat exchange efficiency and high in energy consumption in different automobile modes are solved.

The invention provides a thermal management control method for an extended-range electric vehicle. A whole vehicle cooling system is connected with an engine loop, a dual-motor loop, a battery pack loop and a warm core loop through a seven-way valve; a vehicle control unit (VCU) controls angle switching of a seven-way valve, the duty ratio of an electronic water pump and the rotating speed of a cooling fan based on request signals sent by a battery management system (BMS), a motor controller (MCU) and an air conditioner controller (ACM), and vehicle thermal management control is achieved.