26results about How to "Reduce opening time" patented technology

The invention discloses a hybrid DC circuit breaker, a control and protection device and a control and protection method. Three independent merging units of the device are used to collect the line current of the total outgoing line at one end of the hybrid DC circuit breaker, the main branch current, the transfer branch current, the total current of the energy-consuming branch and the branch current of the energy-consuming branch; the communication module of the control and protection host realizes the communication between the main branch, the transfer branch, the converter station control equipment and the converter station protection equipment; the protection judgment module performs overcurrent judgment of the circuit breaker according to the current of the merging unit; the three-out-of-two logic module performs three-out-of-two logic judgment of overcurrent according to the judgment result of the protection judgment module; the control module realizes the circuit breaker opening and closing timing and equipment fault judgment, and sends the control and protection instructions to the main branch commutation component and the semiconductor component of the transfer branch through the communication module and the interface unit; the protection method based on the device can quickly execute the opening and closing process, quickly detect the equipment status and implement effective protection.

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 utility model relates to a spring energy storage type circuit breaker eddy current repulsion opening device comprising a closing cam arranged on a closing driving device; one end of the closing crank arm is rotationally arranged on the circuit breaker and is opposite to the closing cam; the rotating shaft is rotationally arranged at the other end of the closing crank arm; one end of the large crank arm is arranged on the rotating shaft; the connecting shaft is arranged at the other end of the large crank arm; one end of the connecting sheet is rotationally arranged on the connecting shaft; one end of the main crank arm is rotationally connected with the other end of the connecting sheet, and the other end of the main crank arm is connected with the insulating pull rod; the opening tension spring is arranged on the circuit breaker and is connected with one end of the main crank arm; one end of the connecting rod is rotationally arranged on the connecting shaft; the eddy current coil is arranged on the circuit breaker, and the connecting rod is movably inserted into the eddy current coil; the eddy current disc is arranged opposite to the eddy current coil and is connected with the eddy current coil; and the eddy current control device is connected with the eddy current coil and is used for controlling the eddy current coil to push the eddy current disc to drive the connecting rod to release the main connecting lever, and the opening tension spring drives the main connecting lever to pull the insulating pull rod for opening. According to the opening device, the opening time and the opening speed of the high-voltage circuit breaker are improved, and the opening time is shortened to 5-10 ms.

The utility model relates to the technical field of refrigeration equipment, and discloses a refrigerator which comprises a refrigerator body with an opening in the upper side and a refrigerator opening part arranged around the opening, and the refrigerator opening part is provided with a ventilation structure; the door body is arranged at the opening and comprises a sealing strip arranged around the cabinet opening part, and the sealing strip is located between the door body and the cabinet opening part; the ventilation structure is arranged on the surface, facing the sealing strip, of the refrigerator opening part and used for balancing the pressure difference inside and outside the refrigerator. The ventilation structure is arranged on the surface, facing the sealing strip, of the refrigerator opening part, the sealing degree in the refrigerator body is changed, the air pressure difference inside and outside the refrigerator is effectively balanced, negative pressure generated due to temperature reduction in the refrigerator is avoided, the door opening process of a user is more labor-saving, and the door opening time is saved. And moreover, the structure is simple, conduction of air inside and outside the refrigerator can be achieved without cooperation of a plurality of components, and air pressure balance is achieved.

The utility model relates to the technical field of refrigerators, and discloses a refrigerator door assembly which comprises a chamber, a door body, a door body and a door body. The box door rotatably covers the opening; the middle beam is arranged on the side, facing the compartment, of the box door and extends in the vertical direction, a mounting space is defined, and a groove opening extending in the vertical direction is formed in the wall face, facing the containing space, of the middle beam; the human sensing device is arranged on the box door and used for detecting whether a user exists in front of the box door; the camera shooting assembly is movably arranged in the mounting space, partially extends out of the middle beam from the notch and is used for shooting image information in the storage space; the display device is arranged on the wall face, away from the compartment, of the box door, is wirelessly connected with the camera shooting assembly and is used for receiving and displaying image information shot by the camera shooting assembly; wherein the camera shooting assembly is in communication connection with the human sensing device and is used for working according to a detection result of the human sensing device. The internal image can be automatically displayed, and the trouble of frequently opening the box door is avoided. The utility model further discloses the refrigerator.

The invention discloses a safe missile and rocket product static electrical detection method, which comprises the following steps: connecting a product test cable through a cable, carrying out firer port detection, inserting a short-circuit plug, and then carrying out non-firer port detection after the firer port detection is qualified, thereby achieving an open-circuit state of an ignition port within the shortest time in a static detection process. The detection method meets the safety standard, is simple and practical in static detection of projectile products, and has wide application prospects and popularization value. The method has the outstanding advantages that the safety of static electrical detection is greatly improved, the detection priorities are sorted, and the phenomenon that the firer port of the projectile body is in an open circuit state when static detection is abnormal is avoided.

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 invention provides plate camouflage dyeing equipment and a processing technology thereof, and relates to the field of plate dyeing. The plate dyeing device comprises a processing table and a storage table arranged at the top of the processing table, a plate to be dyed is placed on the storage table, a pair of notches is formed in the two sides of the top of the processing table, and the notches extend in the length direction of the processing table; a notch is formed in the upper portion of the storage table, a linear sliding table is arranged in the notch, a movable plate is arranged above the storage table, the two sides of the movable plate are each provided with a supporting rod, the supporting rods are in an L shape, the vertical ends of the supporting rods are connected with the bottom of the movable plate, and the transverse ends of the supporting rods are arranged in the notch in a penetrating mode and connected with the linear sliding table. The linear sliding table is used for driving the transverse end of the supporting rod to slide in the notch. A plurality of spray heads are arranged at the bottom of the movable plate and are used for spraying paint to a to-be-dyed plate. The spraying device has the effects of being high in spraying efficiency and stable in finished product quality.

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.

The invention provides a control method for shortening transformer obstacle removal time. The method comprises the following steps: S1; non-electric quantity data of the transformer are acquired in real time through an acquisition device; the non-electric quantity data are uploaded to a measurement and control device; s2; and the measurement and control device compares the collected non-electric quantity data with a set non-electric quantity data threshold value, outputs a signal to a control ring main unit circuit breaker opening coil according to a comparison result to carry out an opening action, transmits the signal to a background EMS system, and notifies related personnel to carry out emergency treatment. A new transformer protection logic is designed, and the logic can effectively shorten the opening time of a ring main unit, reduce the duration of a fault on a transformer, and reduce the damage of the fault to the transformer. The non-electric-quantity fault of the transformer can be rapidly removed, and the fault tolerance time of the transformer is shortened.

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.

Embodiments of the present application provide a battery production system and a battery production method. The battery production system includes: a preheating apparatus, including preheating cavities, a first delivery mechanism being arranged in the preheating cavity, and the preheating cavity having a first charging door and a first discharging door; and a baking apparatus, including baking cavities, the baking cavity having a second charging door and a second discharging door, wherein the first delivery mechanism is configured to deliver the battery piece in the preheating cavity to the baking cavity through the first discharging door and the second charging door when the first discharging door and the second charging door are opposite and are both opened. The battery piece can be delivered from the preheating cavity to the baking cavity through the first delivery mechanism arranged in the preheating cavity in a short time, thus reducing the temperature drop of the battery piece during the delivery process, and avoiding the impact of the temperature drop on the process performance. Moreover, the delivery time of the battery piece is short, so the opening time of a cavity door can be shortened, the electric energy loss can be reduced, the delivery efficiency is high, and the production rhythm can be increased.

The utility model discloses a plastic reel mould which comprises a mould core and a mould cavity, a core pulling assembly is arranged between the mould core and the mould cavity in a penetrating mode, and the core pulling assembly comprises a first core plate and a second core plate. According to the application, the four groups of guide columns are respectively inserted into the core plate I and the core plate II, are obliquely arranged and are all connected with the movable mold wall plate of the injection molding machine, the four groups of inclined guide columns can immediately pull out the core plate I and the core plate II leftwards and rightwards along the backward movement direction of the movable mold wall plate of the injection molding machine to be completely separated from a product, and after a core-pulling slide block is completely separated from the product, the core plate I and the core plate II are completely separated from the product. A product can be immediately ejected out through the ejector pin system, the mold opening time can be shortened through the four sets of guide columns attached to a movable mold wall plate of an injection molding machine, a traditional oil cylinder mode is replaced, the opening time of a core pulling assembly is shortened, meanwhile, the defects of oil leakage and the like caused by an oil cylinder are overcome, and due to the fact that the injection molding period is shortened, the production efficiency is improved. Therefore, the service life of the die can be prolonged.

The present invention discloses a method and system for implementing pages in a UI interface. In an embodiment of the present invention, a UI view controller is created in a terminal, namely, an iOS-based Flutter view controller or an Android-based Flutter view controller. The iOS-based Flutter view controller or the Android-based Flutter view controller serves as a container to control and manage multiple pages loaded by the terminal, and the multiple pages are run by a set UI engine. In this way, even if multiple pages are loaded simultaneously on the terminal platform, they are controlled and run by an iOS-based Flutter view controller or an Android-based Flutter view controller and a corresponding UI engine set as a container. The communication between multiple pages is also implemented in the iOS-based Flutter view controller or the Android-based Flutter view controller. Pages are implemented across terminal platforms under the premise of reducing memory consumption and opening time.

The invention discloses a multi-parameter sensing integrated facial mask concentration monitoring device and a facial mask preparation process.The multi-parameter sensing integrated facial mask concentration monitoring device comprises a base table, a conveying table, a facial mask cutting frame and a bag storage device.In the using process, after facial masks and moisturizing solutions in facial mask bags are filled, the rotating angle of a lateral pressing plate is adjusted through an electric rotating shaft at the moment, and then the facial masks and the moisturizing solutions are fed into the facial mask bags; according to the mask bag, one end of a lateral pressing plate rotates to press the surface of one side of the mask bag, then a vertical lifting guide rail is arranged to drive a fixing arm to vertically ascend, and along with the vertical ascending of the fixing arm, the lateral pressing plate can continuously move on the surface of the mask bag, so that air retained in a hollow cavity area of the mask bag is quickly extruded outwards; the packaging volume of the mask bag is reduced, the transportation cost is reduced, and after gas in the mask bag is exhausted, the volume in the mask bag can be compressed, so that the mask piece and the moisturizing solution in the mask bag can be effectively infiltrated and contacted, and the infiltration degree of the mask piece is improved.

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.

The present invention belongs to the technical field of door locks, and relates to a compact double-bolt linkage master-slave lock, comprising a lock shell fixed inside a door, a panel fixed on one side of the lock shell, a lock core passing through the thickness direction of the lock shell, and two lock tongues passing through the panel, the two lock tongues being an axially hollow outer tongue and an inner tongue passing through the hollow part of the outer tongue, a spring capable of allowing the outer tongue to pop out and return to its original position is arranged inside the lock shell, the inner end of the inner tongue is connected to a safety rod, the middle section of the safety rod has a groove portion, the lock core has a dial wheel capable of cooperating with the groove portion to drive the safety rod to extend and retract, a No. 1 pin limiting the outer tongue pop-out position is arranged on the inner side of the panel, a No. 2 pin limiting the inner tongue retracting position is arranged on the outer tongue, and a spring sheet is also arranged inside the lock shell to resist the rear end of the safety rod after it is extended. The lock has a compact structure and adopts a direct push and pull structure, so that the user can open the door by any contactable method when both hands are not free, thus saving the time of opening the door, reducing the chance of bacterial infection in public places, and changing people's living habits.

The utility model discloses a carton production environment-friendly quick drying device which comprises a drying box body, a sliding rail is fixedly connected to the inner side face of the drying box body, a first sliding block is slidably connected to the sliding rail, a rotating shaft is rotatably connected to the side surface of the first sliding block, and a connecting rod is fixedly connected to the outer surface of the rotating shaft. A first sliding groove is formed in the inner bottom face of the drying box body, a second sliding block is slidably connected into the first sliding groove, a supporting column is fixedly connected to the upper surface of the second sliding block, and a sliding plate is fixedly connected to the upper surface of the supporting column; through cooperation of two sliding grooves, a second sliding block, a third sliding block, a push plate, a supporting column and a sliding plate, automatic feeding and discharging can be achieved, the process of manually opening and closing a cabinet door is omitted, the cabinet door opening time is greatly shortened, heat loss in the drying process can be prevented, and therefore the energy-saving and environment-friendly effects are achieved.

The invention relates to the technical field of gas transmission station overhaul, in particular to a quick labor-saving device for opening and closing a valve. The quick labor-saving device for opening and closing the valve comprises a pipeline positioning and clamping assembly, a valve hand wheel positioning and clamping assembly and a variable-speed rotation driving assembly, the valve hand wheel positioning and clamping assembly is used for being connected with a mechanical hand wheel of the valve in a clamping mode, and the variable-speed rotation driving assembly is connected with the valve hand wheel positioning and clamping assembly. The pipeline positioning and clamping assembly is used for driving the valve hand wheel positioning and clamping assembly to drive a mechanical hand wheel to rotate, the variable-speed rotation driving assembly is installed on the pipeline positioning and clamping assembly, and the pipeline positioning and clamping assembly is used for being connected with pipelines at the two ends of a valve in a clamping mode. The device has the advantages that the structural design is simple and reasonable, when the valve is opened and closed, the opening and closing time of the valve is greatly shortened by means of the device, meanwhile, labor is saved when the valve is opened and closed, and the working efficiency is improved.

The utility model relates to a rail transit vehicle emergency evacuation door, in particular to an emergency evacuation door opening mechanism and a rail vehicle, the emergency evacuation door opening mechanism comprises a vehicle body and a pushing assembly (2) used for manually opening an emergency evacuation door, an electric push rod (5) is installed between the vehicle body and the pushing assembly, one end of the electric push rod is connected with the vehicle body, and the other end of the electric push rod is connected with the rail vehicle. And the other end is connected with the pushing assembly. A first travel switch (8) used for providing an emergency evacuation door opening in-place signal and a second travel switch (9) used for providing an emergency evacuation door closing in-place signal are installed on the vehicle body, a sliding groove (7) is installed between the first travel switch and the second travel switch, and one end of a sliding rod (6) is connected to the sliding groove in a sliding mode. The other end of the sliding rod is connected with the pushing assembly. The emergency evacuation door of the railway vehicle can be electrically opened, the opening operation time of the emergency evacuation door is saved, and the operation difficulty is reduced.

The invention relates to the technical field of mold furnaces, and discloses an infrared mold furnace and a heating method of a mold for aluminum profile machining, the infrared mold furnace comprises a furnace body, an opening and closing track, a supporting frame, a furnace door and a mold frame, the opening and closing track is arranged on the front side of the furnace body, and one end of the supporting frame enters and exits from the interior of the furnace body; the furnace door is fixedly installed at the other end of the supporting frame, the lower end of the furnace door is installed on an opening and closing track, and a fixed track is installed on the supporting frame; according to the infrared mold furnace, the fixed rail is arranged on the supporting frame and matched with the sliding rail arranged on one side of the furnace body, and after a mold for aluminum profile machining is heated in the mold furnace, a mold frame can be directly moved to the sliding rail; and the mold frame on which the to-be-heated mold is placed in advance on the sliding rail is pushed to the fixed rail, so that the heating speed of replacing the mold is increased, the time for opening the furnace door is shortened, and the purpose of reducing heat loss is achieved.