17results about How to "Prevent burst" patented technology

This utility model discloses a wooden door for use with a floor spring, including a front panel (1) and a back panel (2). Two vertical beams (3) are provided between the front panel (1) and the back panel (2). An upper horizontal beam (4) and a lower horizontal beam (5) are provided between the front panel (1) and the back panel (2). Multiple reinforcing beams (6) are provided between the front panel (1) and the back panel (2). A limiting beam (7) is provided on the inner side of one of the vertical beams (3). The upper and lower ends of the limiting beam (7) are fixed to the upper horizontal beam (4) and the lower horizontal beam (5) respectively. The front panel (1) and the back panel (2) are both fixed to the limiting beam (7). A tightly fitted iron square tube (8) is provided between the limiting beam (7) and the vertical beam (3). The bottom of the iron square tube (8) is provided with a connecting shaft (9) that passes through the lower horizontal beam (5). The bottom of the connecting shaft (9) is provided with a socket (10) that mates with the floor spring. This utility model has the advantage of a long service life.

The application relates to the technical field of cooking utensils, in particular to a combustion device and a gas stove. The combustion device comprises a burner, a pot rack which is arranged around the outer side of the burner and is fixed with the burner, the outer periphery of the burner is tightly attached to the pot rack, the pot rack is provided with a heat storage cavity which is open downward and surrounds the burner, a partition plate is installed at the bottom of the pot rack to close the opening of the heat storage cavity, the middle part of the partition plate is provided with a hole position, and the bottom end of the burner is provided with an air inlet part which penetrates into the hole position. The partition plate has a heat insulation function, can effectively isolate the heat generated by the burner from radiating to the panel of the gas stove, reduces the temperature rise of the panel, and avoids scalding or panel explosion. The middle part of the partition plate is provided with a hole position, the bottom end of the burner is provided with an air inlet part which penetrates into the hole position. The above-mentioned arrangement ensures that the partition plate does not hinder the primary air intake of the burner, and ensures the smooth combustion of the burner.

The application discloses a battery pack and an electric equipment. The battery pack comprises a lower box body, an upper box cover and a battery pack. The upper box cover and the lower box body are mutually covered to form a containing cavity. The upper box cover is provided with a liquid flow channel and a first through hole in communication with the liquid flow channel. The first through hole is located on a side of the upper box cover away from the lower box body. The first through hole is used for injecting liquid into the liquid flow channel. The battery pack is contained in the containing cavity. The battery pack is provided with an explosion-proof valve. The explosion-proof valve is arranged towards the first through hole. The upper box cover, the battery box body, the battery pack and the electric equipment provided by the application can improve the heat insulation capacity of the upper box cover, improve the heat insulation effect of the upper box cover, and thus improve the use safety of the battery pack.

This application relates to a rice steaming bag and cooking device. The rice steaming bag includes a main body and a lid. The main body has an open placement cavity. The main body includes a circumferential surface defining the placement cavity. The circumferential surface includes a sealing layer, a gel layer, and a breathable layer arranged sequentially from the outside to the inside. The sealing layer is made of a sealing material, the gel layer is made of hydrogel, and the breathable layer has vents communicating with the placement cavity. The gel layer is exposed to the placement cavity through the vents. The lid is placed on the main body and covers the open cavity when the lid is closed. The end faces of the main body (excluding the circumferential surface) and / or the end faces of the lid have vents communicating with the outside. This solution can be applied to microgravity environments, such as space, to steam rice in a microgravity environment. Only washed rice grains need to be placed in the rice steaming bag beforehand; no additional water is needed, making the rice steaming process convenient and simple.

A kind of multi-point temperature measuring structure for all-glass IH heating health-care pot, comprising: all-glass kettle body, base and master unit;First temperature detection unit includes at least three first temperature sensors corresponding to heating area;First temperature sensor is distributed in an asymmetric manner to monitor the temperature of different positions on heating area;Second temperature detection unit includes at least one second temperature sensor corresponding to low temperature area;Second temperature sensor is used to detect the temperature of all-glass kettle body body.Master unit is electrically connected with electromagnetic heating module, first temperature detection unit and second temperature detection unit;Master unit can control electromagnetic heating module to stop power supply or reduce its heating power according to the detection temperature of first temperature detection unit and / or second temperature detection unit.The utility model, this design ensures the fast, accurate response to dry burning, local dry burning and overall overheating and other dangerous working conditions, protects no dead angle, greatly improves the intrinsic safety of product.

This utility model discloses an explosion-proof and flame-retardant liquid-cooled high-voltage automotive cable and its cable sheathing equipment. The cable includes a liquid-cooling pipe, a bare copper conductor, a wrapping layer, an explosion-proof tin-plated braided copper mesh, and a polyolefin insulation layer; the liquid-cooling pipe is located in the center of the cable. The cable sheathing equipment is a screw extruder, and the extrusion die is a double-layer die, including an inner die tube and an outer die tube. This utility model can effectively improve the cooling efficiency of the cable by setting up the liquid-cooling pipe, reducing the risk of fire caused by cable overload during the operation of electric vehicles, and improving the safety of electric vehicle operation. The cable sheathing equipment provided by this utility model, through the setting of the double-layer extrusion die, can effectively reduce the risk of compression deformation of the liquid-cooling pipe during the extrusion operation, ensuring the cooling efficiency of the cable.

The application provides a method for removing photoresist on a wafer and a semiconductor process device. In a process for removing photoresist after ion implantation, the spectrum intensity of the emission light generated by a specific element in the chamber at different sampling moments is obtained; the change characteristic quantity of the spectrum intensity at each sampling moment is determined according to the spectrum intensity corresponding to two adjacent sampling moments; when the change characteristic quantity corresponding to the current sampling moment meets a preset condition, it is determined that the hardening layer removal process is close to the end point, and the wafer is controlled to descend from the current position to the direction of the heating base according to a preset relationship to remove the hardening layer of the photoresist. By obtaining the spectrum intensity of the emission light generated by the specific element, whether the hardening layer removal process is close to the end point is determined according to whether the change characteristic quantity of the spectrum intensity meets the preset condition, and the wafer is controlled to descend for heating only when the hardening layer removal process is close to the end point, so that the hardening layer is prevented from bursting at high temperature.

The utility model relates to the technical field of toughened glass with a silencing function, solves the technical problem of poor sound insulation effect of toughened glass, and particularly relates to toughened glass with a silencing function, which comprises a front fixed plate frame and a rear fixed plate frame which are symmetrical to each other and serve as supporting foundations. A glass interlayer assembly for improving the strength of the tempered glass is arranged between the front fixing plate frame and the rear fixing plate frame, a hollow sound insulation assembly for improving the sound insulation capacity is arranged on the inner side of the glass interlayer assembly, and the hollow sound insulation assembly comprises a sound insulation glass layer arranged on the inner side of the glass interlayer assembly. Due to the arrangement of the hollow sound insulation component, the sound insulation effect of the toughened glass can be improved, and the transmission path of noise is cut off through the hollow sound insulation layer, so that the noise is cut off on a sound transmission medium, and the hollow layer can be extracted more conveniently during the production period of the toughened glass.

The utility model relates to a fuse, and specifically relates to a melt structure and a fuse with high arc extinguishing capability. Comprising two connecting pieces used for being connected with conductive terminals of the fuse, a plurality of connecting parts and a plurality of fusing parts. The plurality of fusing parts and the plurality of connecting parts are sequentially and alternately connected to form a fuse body, and two ends of the fuse body are respectively connected with the two connecting pieces; protective plates are arranged on the upper surface and the lower surface of the fusing part; a gap is reserved between the protection plate and the fusing part, and the gap is filled with an arc extinguishing medium. According to the utility model, an unextinguished electric arc is blocked through the protection plate, the spraying direction of the electric arc is changed, and the transmission path of the electric arc between the protection plate and the fusing part is changed, so that the energy of the electric arc is continuously weakened in the transmission process, the impact strength of the electric arc on the wall of the ceramic tube of the fuse is greatly reduced, and the ceramic tube is prevented from being broken.

The utility model relates to the field of coiled material processing discloses an automatic inflation and deflation gas expansion axle system, including frame, center total axle, gas expansion axle and pneumatic slip ring, and the frame includes mounting support, the gas expansion axle gas expansion axle has for the air inlet and outlet passage of inflation expansion or deflation retraction, and the inside one end of air inlet and outlet passage communicates with the gas expansion axle inner chamber, and the outside one end of air inlet and outlet passage is provided with the gas pipe, the pneumatic slip ring fixed mounting is in the end of gas expansion axle, and the pneumatic slip ring includes rotary seat and fixed seat, and rotary seat fixed mounting is in the one end of gas expansion axle setting gas pipe, and the center of rotary seat is equipped with the radial extension connector, and the connector is connected with the gas pipe line of gas expansion axle, the fixed seat is equipped with the connecting port, and the connecting port is connected with the gas source through the pipeline, the utility model realizes the automatic inflation and deflation function of gas expansion axle under the rotation state, ensures that the gas circuit is stably connected under the dynamics, and the fixed seat connecting port of gas source pipeline connects the pneumatic slip ring, reduces the precision requirement of gas circuit connection, and convenient operation.

This invention relates to a lower control arm straightening device, comprising a frame, a platform mounted on the frame, a sliding plate slidably mounted on the frame, and a hydraulic cylinder at the top of the frame. The telescopic shaft of the hydraulic cylinder is connected to the sliding plate. A pressure plate is detachably connected to the sliding plate, and a pressure plate is detachably connected to the platform. Both pressure plates are provided with grooves for accommodating the straightening product. A sliding groove is formed on the platform, and a top block is slidably mounted within the groove. A power unit for driving the top block to slide is also provided within the platform. The top block has multiple connecting holes, and the pressure plate has multiple through holes communicating with the straightening grooves. When the pressure plate is connected to the platform, the multiple through holes are respectively aligned with the multiple connecting holes. A ejector pin is threaded into the connecting hole aligned with the through hole, and the end of the ejector pin extends into the through hole. This invention enables automatic demolding after the product is straightened.

This invention discloses a frequency tuning method and resonator for a quartz crystal tuning fork oscillator. The method includes: a coating step: cleaning the quartz crystal blank and depositing a base metal layer after cleaning; a coarse tuning step: repeatedly printing conductive paste in the tuning area of ​​the tuning fork arm and curing it to form a printed tuning layer, adjusting the frequency of the tuning fork oscillator to a preset frequency range; and a fine tuning step: performing an excitation test to obtain the current frequency F1, using a laser to perform targeted ablation on the printed tuning layer, stopping when the frequency reaches the target value F2, thus completing the frequency tuning of the quartz crystal tuning fork oscillator. This invention adopts a layered coating architecture, abandoning the full vacuum process, and using a stacked structure of "one-time vacuum coating (base conductive / reflective layer) + two-time printed coating (tuning weight-adding layer)," which solves the problem of material waste and achieves nanometer-level precise frequency locking.

The utility model belongs to the technical field of separation equipment, specifically discloses a solution in the precipitate separation equipment with temperature control mechanism, including casing and rotary disc, the inside center of casing is provided with rotary disc, and the bottom fixedly connected with rotary disc has the pivot, the lower center of casing outside is installed with the drive motor, the both sides of rotary disc inside and front and back are provided with the slot respectively, and the fixed plug -in body of slot has the cylinder. This solution in the precipitate separation equipment with temperature control mechanism has the cylinder fixed plug -in in the slot, rotates the rotary disc, when the cylinder in the slot rotates to the back, then relies on servo motor to open the hinged cover, when the cylinder rotates to the left side and opens the upper valve and falls into the cylinder through the liquid inlet pipe with various test samples, reagent, under the temperature control processing of temperature controller, can set temperature in different grades to wait for the precipitation, can realize the quick adaptation material storage temperature, environmental requirement.

The application discloses a modular power battery assembly shell with integrated pressure early warning and relates to the field of battery assembly shells.The shell is internally fixedly connected with a gasket, the top of the gasket is placed with a battery body, and the surface of the shell is provided with a threading hole.Through the arrangement of the auxiliary assembly, the clamping plate and the stabilizing plate can fix battery bodies of different sizes, the battery body is prevented from shaking in the shell, and the pressure sensor can detect the pressure value of the battery body.Through the arrangement of the clamping assembly, the shell can be conveniently opened and the inside can be timely overhauled.Through the arrangement of the protection assembly, when an explosion occurs in the shell, high pressure will break the explosion venting sheet, and the high-pressure gas is discharged by breaking the sealing cover;the fire-retardant net can block the flame layer by layer and finally extinguish the flame;and the fire retardant in the fire-retardant wrapping block is sprayed out due to the explosion, which helps to extinguish the flame in the shell.

This invention discloses a charging circuit and its control method and electrical appliance. The charging circuit includes a rectifier bridge, with its input terminal connected to an AC power supply and its output terminal connected to both sides of a bus capacitor. It also includes a protection circuit connected in series between the input terminal of the rectifier bridge and the AC power supply. The protection circuit includes at least one current-limiting element, which limits the negative half-cycle input of the AC power supply to achieve current limiting. Compared with the prior art, this invention uses a PTC resistor and a diode connected in series in the charging circuit, halving the current through the PTC resistor, reducing heat generation in the PTC resistor, and avoiding the problem of the PTC resistor exploding due to inrush current. Furthermore, this invention can determine the moment when the AC power supply reaches its peak voltage and can shut off the relay at that moment, preventing damage to the circuit caused by a large reverse current.