10results about How to "Reduce opening time" patented technology

The invention relates to the field of tension test equipment, in particular to a tension test device with a constant-temperature working environment. The invention provides the tension test device with the constant-temperature operation environment, which can reduce the opening time of the sealing door in the constant-temperature operation environment and ensure the temperature stability of the constant-temperature operation environment to the greatest extent. A tension test device with a constant-temperature working environment comprises a base, a loading system, a cross beam and the like, the upper side of the right part of the base is connected with the loading system, and the upper part of the loading system is slidably connected with the cross beam. The rotating wheel is controlled by the motor to rotate, the rotating wheel rotates to convey the clamp and a test sample into the isolation furnace for experiment, and the electric push rod is matched to control the butt joint frame to push the clamp, so that the clamp can be in butt joint with the locking device, and the opening time of the sealing door can be shortened in a constant-temperature operation environment; the influence on a constant-temperature test environment during loading, unloading or replacement of the test sample is reduced to the greatest extent, and the accuracy of test data is ensured.

The ultrapure water machine comprises a water purifier body, a partition plate is welded to the middle of the inner side of the water purifier body, a water pump is installed at one end of the inner side of the water purifier body through a base, a sliding barrel is arranged at the position, on the inner side of the water purifier body, of the top end of the water pump, and a spring is installed at the bottom end of the inner side of the sliding barrel; according to the scheme, the sealing mode is changed from a bolt and a baffle into a nut, the opening time of the shell of the filtering mechanism is shortened, the spring is arranged at the bottom end of the filtering water pipe, popping of the filtering water pipe is accelerated, and the sealing effect of the filtering mechanism is improved. Compared with the prior art, the filter element embedded in the filter water pipe in a non-sliding mode has the advantages that the replacement mode is more convenient, and the replacement speed is more efficient.

The invention discloses a chemical dosing structure in the technical field of sewage treatment, which comprises a stock bin, and further comprises two fixing frames which are symmetrically arranged relative to the stock bin and are fixedly connected with the stock bin; the floating plate is located below the two fixing frames and is in sliding connection with the two fixing frames through two contact rods fixedly arranged at the top end of the floating plate; the discharging opening is formed under the stock bin; the two separation blades are symmetrically distributed and rotationally connected to the bottom end of the stock bin; according to the chemical dosing device, during chemical dosing, the fixing frame and the floating plate are directly put into the water surface, after the floating plate suspends, the fixing frame descends relative to the contact rod, the discharging opening can be opened for chemical dosing until the triggering piece descends to make contact with the contact rod, the distance between the discharging opening and the liquid level is a certain height, and then chemical dosing is in the state of being close to the water surface; the problem that the sight line is limited and attached during camera shooting collection due to the fact that the medicine diffuses and drifts in the air is avoided.

The embodiment of the present application provides a battery production system and a battery production method. Among them, the battery production system includes: a preheating device, including a preheating chamber, a first conveying mechanism is provided in the preheating chamber, and the preheating chamber has a first feed door and a first discharge door; and a baking device, including a baking chamber, and the baking chamber has a second feed door and a second discharge door; wherein the first conveying mechanism is configured to deliver the battery cells in the preheating chamber to the baking chamber through the first discharge door and the second feed door when the first discharge door is opposite to the second feed door and both are open. In the process of the battery cells being transferred from the preheating chamber to the baking chamber by the first conveying mechanism provided in the preheating chamber, the time is short, the temperature drop of the battery cells during the transfer process can be reduced, and the influence of the temperature drop on the process performance can be avoided. In addition, the battery cell transfer time is short, the opening time of the chamber door is shortened, the power loss is reduced, the transfer efficiency is high, and the production cycle can be improved.

The control system comprises a vehicle power supply, a power supply management module, a control unit MCU (Microprogrammed Control Unit), a standby power supply and a door handle heating relay, and the output end of the standby power supply is connected to the power supply management module; the output end of the MCU is connected to a door handle heating relay, the heating relay is connected in series in a power supply loop of a heating module, and the heating module is used for heating the hidden door handle. According to the hidden door handle, the defect that the hidden door handle cannot be popped up due to power failure of the power supply is reduced by adding the standby power supply, meanwhile, the defect that the door handle with a hidden door handle code cannot be popped up is overcome as much as possible by adding an electric heating mode and / or a linkage vehicle window mode, and the use experience of the hidden door handle is improved.

The utility model relates to a quick opening contactor structure, which comprises a reverse spring bracket, the number of the first rotating arms is two, and the first rotating arms are obliquely and symmetrically hinged to the same reverse spring support. The second rotating arm is nested at the other end of the first rotating arm, and the lower end of the second rotating arm is detachably and rotatably arranged on the lower base; the spring is arranged in the second rotating arm and abuts against the first rotating arm and the second rotating arm. The movable support assembly is located at the upper ends of the two reverse spring supports and rapidly moves upwards under the counter-acting force of the reverse spring supports after the external force is lost. According to the utility model, the structure is compact and reasonable, the operation is convenient, through the special structural design of the reverse spring assembly, the counter-acting force of the spring is increased, the opening time of the contactor is shortened, the arcing time of the moving and static contacts is reduced, the electrical ablation of the contacts is reduced, and the service life of the whole machine is prolonged.

A gate drive circuit adapted to high junction temperature environments, and its turn-on and turn-off methods, are disclosed. The gate drive circuit includes a main three-terminal transistor, a turn-off circuit, and an auxiliary circuit. The added auxiliary circuit generates an auxiliary current signal, either in the same direction or opposite to the control signal current, to the control electrode of the main three-terminal transistor during the turn-on and turn-off processes within a preset time period. This disclosure enables the generation of corresponding positive or negative auxiliary current signals at the control electrode of the three-terminal transistor. During the conduction process, the auxiliary circuit can generate a reverse auxiliary current signal at the control electrode of the three-terminal transistor during the current rise phase, reducing the drive current of the turn-on signal to decrease di. d / dt, suppressing the turn-on current; during the turn-off process, the auxiliary circuit can generate a unidirectional auxiliary current signal at the control electrode of the three-terminal transistor in the current-decreasing segment, increasing the drive current of the turn-off signal and accelerating the turn-off speed.

The invention discloses a magnetically controlled switch-based power distribution network post-grading acceleration protection method and system, and the method comprises the steps: carrying out the overcurrent protection of a magnetically controlled outgoing line switch, and carrying out the voltage detection reclosure, which serve as the first-stage outgoing line protection; the magnetic control first section switch and the magnetic control second section switch are provided with delay protection and latch-up protection which are used as second-stage branch head end protection; the magnetic control interconnection switch is configured to detect short-time power-on time opening and reverse locking and start transfer timing, and serves as third-level demarcation protection; if the distribution network overhead line has a short-circuit fault, stage differences are set among three-stage protection, and the three-stage protection magnetically controlled switches act in a matched manner, so that fault isolation is accelerated to be completed. Through three-level protection of outgoing line protection, branch head end protection and demarcation protection, a 0.2 s level difference is set, reliable cooperation of switches of the whole line can be realized by using the difference of protection time delay, branch line and user faults can be removed nearby, and the problem of simultaneous tripping or override tripping is avoided.

The invention discloses a superconducting magnet excitation system and an installation method, and relates to the technical field of superconducting magnet excitation. The superconducting magnet excitation system comprises a cryogenic container, a superconducting coil, a superconducting switch, a switch heater and a current lead. The cryogenic container is used to contain liquid helium and maintain the low temperature in the cryogenic container. The superconducting coil is arranged inside the cryogenic container and at least partially immersed in the liquid helium. The superconducting switch is connected to the superconducting coil through a superconducting cable. The superconducting switch is located inside the cryogenic container, and the height of the superconducting switch is higher than the liquid surface of the liquid helium. The switch heater is arranged on the superconducting switch to control the opening and closing of the superconducting switch. The current lead is passed through the top of the cryogenic container, and the end of the current lead located inside the cryogenic container is connected in series with the superconducting coil through an inner cable. The superconducting switch is not immersed in liquid helium, and only a small heating power is needed to change the superconducting switch from a superconducting state to a normal state, thereby reducing the consumption of liquid helium and reducing the opening time of the superconducting switch.