32results about How to "Confirm working status" patented technology

The invention discloses a planting arm of a rice pot seedling planting machine. A planting arm shell and a planting arm cover are fixed together to form an installing chamber; a pushing rod, a shifting fork and a radial cam are arranged in the installing chamber, the stretching end of the pushing rod is fixedly provided with a hole digger, and the radial cam is installed in the planting arm shell through a rotation shaft; a left axial cam and a right axial cam are fixed to the rotation shaft and arranged on the two sides of the radial cam; the planting arm cover is rotatably provided with a left swing arm and a right swing arm, the corresponding swing arms are matched with the cam surfaces of the corresponding axial cams in the installing chamber, and the corresponding swing arms are fixedly connected with corresponding seedling taking clamps outside the installing chamber. When power is input into the rotation shaft, the pushing rod returns back at the seedling taking point, and the seedling taking clamps grab seedlings from a pot tray from an opened state to a closed state; at seedling planting points, the hole digger stretches out to dig holes in soil and then returns back, at the moment, the seedling taking clamps loosen, the seedlings are planted in the holes, therefore, the seedlings cannot be damaged in the whole seedling planting process, and the planting arm can be widely applied to the rice pot seedling planting machine.

The invention provides a constant-current source circuit with current monitoring capability. The constant-current source circuit comprises a basic constant-current source circuit, a current detection circuit, a voltage conditioning circuit, a comparison circuit, a signal retaining circuit, a power supply control circuit and a power conversion circuit, wherein the power conversion circuit is used for providing working voltages to the other circuits; the current detection circuit is used for converting output currents of the basic constant-current source circuit into voltage signals and providing the voltage signals to the voltage conditioning circuit; the voltage conditioning circuit is used for conditioning the voltage signals and then outputting the voltage signals to the comparison circuit; the comparison circuit is used for comparing conditioned voltages with a preset voltage and sending an on / off control signal to the signal retaining circuit; the signal retaining circuit is used for outputting the signal to the power supply control circuit; the power supply control circuit is used for controlling the power conversion circuit to perform power supply or power breakdown on the basic constant-current source circuit. The constant-current source circuit can be used for monitoring the output currents of a constant-current source in real time, and cutting off the power supply of the constant-current source when the output current exceeds a set value, thus cutting off the output current of the constant-current source so as to avoid damages on electric equipment.

The invention provides a state detection circuit and a state detection method of an electromagnetic brake. The electromagnetic brake includes a coil. The state detection circuit includes: an acquisition unit electrically connected to the coil and obtaining an electrical signal of the coil; a processor determining the electromagnetic brake based on the electrical signal. working status. The state detection circuit and state detection method according to the embodiments of the present invention directly detect the electrical signal of the coil and determine the working state of the electromagnetic brake without redesigning the internal structure of the electromagnetic brake. The state detection circuit and the state detection method according to the embodiments of the present invention determine the working state of the electromagnetic brake according to at least one of the amplitude of the electrical signal and the duty cycle of the PWM signal, and can detect abnormal states of different types of electromagnetic brakes .

The invention provides a project management method. The method comprises the following steps: (A) analyzing a resource demand of at least one project according to a project view of the project; (B) analyzing an available time of the resource according to a resource view of at least one resource; and (C) calling the resource to the project according to the available time of the resource and the resource demand.

The present invention relates to the technical field of vehicles, and discloses an engine start-stop control method, comprising the following steps: S11, step on the brake pedal; S12, the current vehicle speed of the vehicle is not greater than the first preset speed, record the size of the physical quantity, the current vehicle speed drops When reaching the second preset speed, record that the vehicle speed of the vehicle is not greater than the second preset speed, until the maximum value of the physical quantity in the first preset time is the upper limit of execution; S13, after the time reaches the first preset time, the physical quantity The current value of the current value is the comparison value and the variation of the physical quantity in any second preset time length is the actual variation; S14, the comparison value is not less than the execution upper limit or the actual variation is greater than the preset value, then it is determined that the driver has the intention to stop; S15, the engine enters the shutdown state when the basic shutdown condition is satisfied. The engine start-stop control method disclosed in the present invention can quickly identify the driving intention of the driver and combine it with whether the stop condition is met, so as to confirm the working state of the engine.

The invention relates to the field of motors, and in particular relates to a motor based on a disturbance compensation position system. The motor based on the disturbance compensation position systemcomprises a bottom plate, an indication structure, a junction box, a cooling structure, a fixing sleeve, a motor housing, an anti-scrap structure and a driving structure; the fixing sleeve used for fixing the motor housing is glidingly connected with the bottom plate; the driving structure used for limiting the fixing sleeve is arranged in the bottom plate; the cooling structure used for heat dissipation and the anti-scrap structure used for preventing the rotating shaft of the motor from being damaged are respectively arranged at two ends of the motor housing; and the indication structure used for observing the vibration condition of the motor is arranged on the bottom plate. According to the motor based on the disturbance compensation position system in the invention, the driving structure is used with the fixing sleeve in a matched manner; therefore, the motor housing is conveniently assembled and disassembled rapidly; the overhaul maintenance efficiency and the quality of internalcomponents of the motor housing are greatly improved; the cooling structure is arranged at the end part of the motor housing, so that circumferential air circulation of the motor housing is promoted;therefore, the ventilation and heat dissipation quality can be greatly improved; and thus, the vibration condition of the motor can be intuitionally observed conveniently through the indication structure.

The invention discloses a detection method for a transformer oil cooling circuit, comprising: collecting the oil temperature of the transformer oil in the cooling circuit and the actual working current value of the oil pump at the oil temperature; The theoretical working current value of the oil pump; analyzing the actual working current value and the theoretical working current value to determine the working state of the oil pump and the oil flow pipeline in the cooling circuit. The detection method can accurately detect the working state of the oil pump and the oil flow pipeline in the cooling circuit, comprehensively and truly reflect the operation conditions of the oil pump and the oil flow pipeline, reduce fault false alarms, and improve detection reliability. The invention also discloses a transformer oil cooling circuit detection system, device, electric locomotive and computer-readable storage medium, all of which have the above-mentioned technical effects.

The invention provides an intelligent water cup for detecting water intake to improve detection precision of water intake, and the intelligent water cup comprises a water cup body, and further comprises multiple pressure sensors, multiple liquid level sensors, a three-dimensional acceleration sensor, a horizon sensor, multiple infrared sensing units and a water intake calculating unit, wherein the multiple pressure sensors are arranged at the bottom and side wall of the water cup body; the multiple liquid level sensors are arranged on the side wall of the water cup body; the three-dimensional acceleration sensor is arranged at the bottom of the water cup body; the horizon sensor is arranged at the bottom of the water cup body; the multiple infrared sensing units are arranged at the top and side wall of the water cup body; the water intake calculating unit is arranged at the bottom of the water cup body. Water intake can be obtained according to the detection results of the pressure sensors, liquid level sensors, three-dimensional acceleration sensor, horizon sensor and infrared sensing units.

The invention relates to a multiple protection DC voltage adjusting apparatus and method. The apparatus comprises an input rectification module, a boost inductor, an input detection module, a shutdown protection module, a boost module, a step-down module, a freewheeling inductor and an output control module. According to the invention, unstable voltages and currents are adjusted to quite stable power supplies which can be effectively utilized by users; a chip is controlled to automatically detect input and output voltage values, and a circuit working states is determined; and a mechanical and circuit interlocking structure is formed by use of normally-open and normally-closed contacts of relays with an adjusting circuit, current impact is prevented through multiple protection, the operation is stable, and the safety and the reliability are high.