33results about How to "Fast quenching" patented technology

The cooling chest for rapidly quenching beverages includes a quench tray for holding containers of beverage. The quench tray is lowered into salt-water or other cooling liquid which is cooled by a refrigeration unit. A processing device determines the temperature of the beverages within the containers within the quench tray and further activates a mechanism for removing the quench tray from the water or cooling liquid when the desired temperature is reached. The processing device can also activate the mechanism for removing the quench tray from the water or cooling liquid when the upper lid or access doors are opened.

The invention discloses a high-speed-quenching and high-speed-recovery free-operation single-photon detection system. The system is characterized in that the system includes an SPAD (single-photon avalanche diode), a peripheral circuit module 1 thereof, an identification and shaping module 2, a time delay and amplification module 3 and an active quenching and recovery module 4; the SPAD and the peripheral circuit module 1 thereof extract avalanche signals and input the avalanche signals to the identification and shaping module 2; the identification and shaping module 2 identifies and shapes the avalanche signals so as to obtain counting signals; the counting signals are inputted to the time delay and amplification module 3 and then are divided into two paths, wherein one path passes through an operational amplifier, so that active quenching signals can be obtained, and the other path is subjected to dead time setting delay and shaping, so that active recovery signals are obtained; the active quenching signals and the active recovery signals are inputted to the active quenching and recovery module 4; and the electric level signals of the active quenching and recovery module 4 are connected into the anode of the SPAD, so that the high-speed quenching and high-speed recovery of the SPAD are realized. With the system adopted, the detection efficiency and counting rate of a single-photon detector can be improved.

A dual-beam super-resolution optical storage material read-write device comprises an optical path and a computer; the optical path consists of a recording optical path, a reading-out optical path anda fluorescence collecting optical path. A read-write method is provided. The invention adopts pulsed light induction-continuous photoinhibition quenching recording mode, can quickly read information,solves the problem of recording and reading of materials simultaneously for the first time in the field of super-resolution optical storage, overcomes the erasing effect of photochromic materials in super-resolution recording, and obtains smaller recording spots and improve the storage density of optical discs.

The invention discloses a self-adaptive adjustment circuit for the gain of an array single-photon avalanche photodiode. The self-adaptive adjustment circuit comprises a current biasing circuit, current monitoring circuits and active quenching circuits; the current biasing circuit is used for providing equal current for each SPAD pixel unit; the current monitoring circuits are composed of current mirror circuits and used for judging the working states of the SPAD pixel units according to the current of the monitored SPAD pixel units and outputting different voltage signals for gain control overthe SPAD pixel units to serve as input signals of the active quenching circuits; the active quenching circuits are used for generating and outputting pulse signals according to the voltage signals output by the current monitoring circuits to control quenching tubes to be switched on so that quenching of avalanche signals is achieved to be ready for arrival of next photon detection. According to the self-adaptive adjustment circuit, by adopting a control method of a current mode, the reverse bias voltage of the SPAD is self-adaptively adjusted, the defect that a traditional voltage mode is complicated to control is overcome, and the self-adaptive adjustment circuit is suitable for array application, easy to expand and capable of achieving consistency detection of the gain of the array single-photon avalanche photodiode.

The invention provides a mild gas turbine combustion chamber, and relates to the technical field of gas turbines. Based on the defects that a traditional gas turbine combustion chamber is severe in working environment, large in heat load, high in temperature and speed, complex in flow field and the like, a fuel oil single-point injection combustor is changed into multi-point injection of the wallsurface of a flame tube, multi-point mixing of fuel oil and air can be achieved, a mild combustion area is established, and stable and efficient combustion is achieved; the wall surface of the flame tube is designed to be of a double-layer wall structure, the middle of the flame tube is designed to be of a honeycomb sandwich structure, high-temperature airflow inside the flame tube can be reasonably cooled, it is guaranteed that the fuel oil in a fuel oil branch pipe is sufficiently preheated, and meanwhile, the effect of reducing noise generated in the working process of the combustion chamber can be achieved; and a boss structure is designed in the flame tube, the flame tube can be partitioned, flames can be quenched to the mild combustion area from an fuel-rich combustion area rapidly,emission of nitric oxide is reduced, and the stable combustion of the fuel in the flame tube is achieved.

The invention discloses an automatic quenching device for gear machining, and relates to the technical field of gear machining. The problems that in the existing high-frequency quenching process, theoperation speed is low, production efficiency is low, workloads on workers are high and the hands of the workers are easily scalded by a quenching device at a high working temperature are solved. Theautomatic quenching device comprises a machine body. A group of motors are fixedly connected with the upper end face of the machine body. A group of rotating middle shafts are axially connected with the center of the machine body. Three groups of part carriers are arrayed on and axially connected with the outside circumference of a carrying plate. A group of lifting blocks are fixedly connected with a piston rod of a cylinder. The carrying plate is axially connected with the lifting blocks. A group of middle belt wheels are axially connected with the upper portion of the right side of the machine body. The automatic quenching device is simple in structure, low in manufacturing cost, convenient to control, easy to operate, high in quenching speed and high in production efficiency and meanwhile prevents workers from touching heated gears to get scalded.

The invention discloses a high-frequency quenching and automatic cooling integrated machine. The high-frequency quenching and automatic cooling integrated machine comprises a high-frequency quenchingmachine; a sensor of the high-frequency quenching machine is in a U shape and horizontally arranged, a base is arranged on one side of the sensor of the high-frequency quenching machine, and an L-shaped mounting plate is arranged on the base; two guiding columns are parallelly mounted between a horizontal plate surface of the L-shaped mounting plate and the base in the vertical direction, and a sliding seat is mounted on the two guiding columns in a sleeving mode; a lead screw transmission mechanism is mounted on the L-shaped mounting plate in the vertical direction, and a nut of the lead screw transmission mechanism is fixed in the sliding seat; a workpiece clamp is arranged on the position, corresponding to the lower portion of the sensor, of the sliding seat and is used for clamping a workpiece to be quenched; a spraying cooling device is arranged between the sensor and the workpiece clamp and is used for rapid cooling of the workpiece heated by the sensor; and a driving device is further arranged on one side of the L-shaped mounting plate, and the driving device is in transmission connection with the lead screw transmission mechanism and is used for driving the lead screw transmission mechanism to work. The high-frequency quenching and automatic cooling integrated machine has the beneficial effects that the quenching speed is high, the treatment efficiency is high, and thequenching quality is good.

The present invention relates to a switching device 1 for a battery 2, the switching device 1 being activated by an acoustic resonance effect to interrupt an electric line of the battery 2 to the outside. The present invention further relates to a battery 2 having an electrically activated power switch 21 for interruption of an electric line of the battery 2 to the outside and at least one such switching device 1, the power switch 21 and the switching device 1 being connected in series.

The invention relates to the technical field of railway engineering product manufacturing, in particular to water-based quenching liquid, a preparation method thereof and application of the water-based quenching liquid in quenching of an elastic strip. The water-based quenching liquid comprises the following components in percentage by weight: 0.1 to 0.8 percent of sodium benzoate, 0.01 to 0.5 percent of sodium gluconate, 0.01 to 0.5 percent of phosphono carboxylic acid copolymer, 0.01 to 0.5 percent of triazole, 0.01 to 0.5 percent of sodium molybdate, 0 to 25 percent of sodium chloride, 0 to 25 percent of calcium chloride, 0 to 25 percent of sodium nitrate and the balance of water, wherein the contents of sodium chloride, calcium chloride and sodium nitrate are not 0 at the same time. By the adoption of the water-based quenching liquid, the quenching speed of the elastic strip can be increased, the hardness uniformity of a quenching core part is guaranteed, residual compressive stress is generated on the surface of the quenched elastic strip, generation and extension of hardening cracks are inhibited, and the water-based quenching liquid has the advantages of being safe and environmentally friendly.

The invention discloses a squeegee rotating device for quenching treatment, which comprises a bottom ring and a top ring, a number of support plates are arranged between the bottom ring and the top ring, a number of slots are arranged on the top ring, and the inner side wall of the bottom ring There are bumps, the bottom ring and the bumps are integrated, the bottom ring is provided with a chassis, and the chassis is set on the bumps; the chassis is provided with a fixed plate, and the fixed plate is provided with sleeves, and the sleeves are vertically arranged. The outer peripheral surface of the root of the tube is covered with a protective tube; the outer peripheral surface of the casing is covered with a plane bearing, and the outer peripheral surface of the plane bearing is covered with a protective sleeve. The invention can quickly quench the ink scraper through the quenching equipment, thereby greatly improving the efficiency of quenching the ink scraper.

The invention provides a whole quenching device of a circular track. The device is suitable for quenching of a circular track with an outer circle and can realize whole heating, whole liquid spray and completion of the quenching process. By adopting the device, the quenching quality is stable, the soft belt is avoided and the life of the track is greatly prolonged. The invention adopts the following technical scheme: the device comprises a liquid sprayer and a track sensor, wherein the liquid sprayer is a circular ring body; the circular ring body is provided with a hollow cavity inside; the liquid sprayer is connected with liquid inlet joints and connecting screw rods; the track sensor is installed in the inner circle cavity of the liquid sprayer; the inner circle of the liquid sprayer is provided with liquid spray holes on the whole circumference; the track sensor comprises at least five track sensing circles uniformly arranged on the circumference; the track sensing circles are installed on a fixed block and are communicated with each other; the fixed block is fixed on the liquid sprayer by a bolt; one end of the fixed block is provided with a liquid inlet and the other end of the fixed block is provided with a liquid outlet; and common pole plates are installed on the fixed block and are connected with the track sensing circles.

The invention proposes wear-resistant steel ball quenching equipment. The wear-resistant steel ball quenching equipment comprises a quenching pool, a first ball conveying pipe, a second ball conveying pipe, a cooling box and a conveying device, wherein a first end of the first ball conveying pipe is arranged at the outer side of the upper side of the quenching pool, and a second end is connected with a first end of the second ball conveying pipe; the second ball conveying pipe is arranged at the bottom of the quenching pool; a steel ball outlet is formed in a second end of the second ball conveying pipe; multiple dust outlet pipes are arranged at the lower part of the second ball conveying pipe along a steel ball output direction in sequence, and penetrate through the bottom of the quenching pool; the dust outlet pipes at the front section and the back section of the second ball conveying pipe are respectively communicated with a first liquid colleting part and a second liquid collecting part; a first filter and a second filter are respectively arranged in the first liquid collecting part and the second liquid collecting part; the first liquid collecting part and the second liquid collecting part are respectively communicated with the cooling box; the cooling box is communicated with the quenching pool; and one end of the conveying device is arranged below the steel ball outlet, and the other end is arranged at the outer side of the upper side of the quenching pool. The wear-resistant steel ball quenching equipment is uniform in quenching, easy for through hardening and fast in speed, obviously improves the quenching effect, and promotes the quenching efficiency.

The invention provides an active quenching and resetting circuit, and the circuit is characterized in that the circuit comprises a single photon avalanche diode which is used for receiving an optical signal and generating an avalanche current; the initialization module is used for initializing the single photon avalanche diode; the reset module is used for resetting the single photon avalanche diode; the clamping module is used for clamping the single photon avalanche diode; and the threshold value detection unit is used for detecting the cathode voltage of the single photon avalanche diode, feeding back a detected signal to the reset module and controlling the starting of the reset module. The SPAD has the beneficial effects that the SPAD can be rapidly quenched and reset by setting the threshold detection unit and adjusting the reset time of the reset module, and when the threshold detection module detects that the voltage is reduced below the threshold, the reset module is controlled to reset, so that quenching and reset can be adaptively adjusted.

The invention relates to the technical field of medicinal chemistry, and particularly discloses a synthesis method of a C-glycoside derivative. The method comprises the following steps: adding a compound shown in formula (II) and triethyl silane into dichloromethane, carrying out nitrogen protection, carrying out dry ice acetonitrile bath cooling to-35 DEG C to -45 DEG C, dropwise adding a 20% boron trifluoride acetonitrile complex, and carrying out heat preservation at -35 DEG C to -45 DEG C to carry out a synthesis reaction of the C-glycoside derivative shown in formula (I); and then, dropwise adding the reaction system into a sodium bicarbonate aqueous solution for quenching reaction; The quenching reaction mode in the existing synthesis process is improved, the reaction can be rapidly quenched, the quenching time is short, the operation is easy, and the problem of impurity III growth caused by reaction system temperature rise can be effectively avoided.