44results about How to "Resistance adjustment" patented technology

The invention specifically relates to a sensor and an explosive bolt device on a pressure vessel gate. Main parts are arranged on a hinge of the pressure vessel gate. Major components are arranged on a hinge of the pressure vessel gate. A bolt on the hinge of the pressure vessel gate is changed into an explosive bolt. After the explosive bolt explodes, the pressure vessel gate opens automatically and plays the function of releasing pressure. The pressure vessel cannot explode. Therefore, the function of protecting the pressure vessel is realized. The invention mainly comprises the pressure sensor and the explosive bolt which comprises an explosive (2), a pre-reserved groove (3), a transposition explosive screw (5) and an electrifying conductor (6). A current-limiting resistance, a slide rheostat and a diaphragm (16) of the pressure sensor are arranged in the pressure sensor. The resistance valve can be regulated. Thus, different pressure values can be set to lead to the explosion of the explosive bolt. With the invention adopted, accidents due to the failure of a safety valve can be reduced. The explosive bolt is provided with the pre-reserved groove. Therefore, the volume of wreck is small when the explosive bolt is broken, and equipment around cannot be damaged.

The invention discloses a multifunctional fitness machine, which at least consists of a base, a seat, a backrest assembly, a left swing arm assembly, a right swing arm assembly, a left support rod, a right support rod, a first oil hydraulic cylinder, a second oil hydraulic cylinder and a third oil hydraulic cylinder, wherein the left swing arm assembly is pivoted with a left sleeve pipe of the base and the first oil hydraulic cylinder; the right swing arm assembly is pivoted with a right sleeve pipe of the base and the second oil hydraulic cylinder; the left support rod and the right support rod are pivoted on a central shaft of the base; the backrest assembly is pivoted with the base and the third oil hydraulic cylinder; and the seat is fixedly arranged on the base. By the arrangement, the multifunctional fitness machine integrates a sit-up function, a lumbo-abdominal fitness function and an arm exercising function and can regulate resistance.

The invention provides a training device and method for basketball offense, counter and lay-up, and relates to the field of sports equipment. The training device for basketball offense, counter and lay-up comprises a tank body and a counter bag, a transmission mechanism is mounted on the outer side of a rotating shaft, the outer side of the rotating shaft is sleeved with a movable sleeve in a threaded mode, the front surface of the movable sleeve is connected with a hollow pipe, a control mechanism is installed at the end, away from the hollow pipe, of a ventilation pipe, a piston is installedin the inner cavity of the hollow pipe, the bottom of a supporting spring is connected with the bottom of the inner wall of the hollow pipe, a resistance adjusting mechanism is installed at the bottom of the hollow pipe, and rolling wheels are installed on the front face and the back face of the left side of the bottom of the box body. Resistance adjusting mechanisms at different distances can beused for different resistances to facilitate the use of counter and lay-up players, and meanwhile, the resistance between the training device and the ground can be adjusted according to the resistance adjusting mechanisms during the counter in order to make the training device suitable for different players to use.

The invention discloses a tobacco-shred-similar object produced with mint raw materials and an electric heating method of the tobacco-shred-similar object produced with the mint raw materials. The tobacco-shred-similar object produced with the mint raw materials comprises tobacco flavors, nicotine solutions and mint tobacco-shred-shaped objects, the raw materials which comprise, by weight, 0.03-0.06 parts of the tobacco flavors, 3-8 parts of the nicotine solutions and 55-120 parts of the mint tobacco-shred-shaped objects are evenly mixed, the nicotine solutions are nicotine aqueous solutions or nicotine ethanol solutions, and the nicotine release amount is 0.4-1.2 parts by weight. By means of the tobacco-shred-similar object and the electric heating method, the tobacco-shred-similar object is produced by the tobacco flavors, the nicotine solutions and the mint tobacco-shred-shaped objects, and the health care effect and the medical effect of mint are sufficiently used by the tobacco-shred-similar object; compared with a traditional cigarette, the smoking experience of the tobacco-shred-similar object is comfortable and abundant. In the smoking mode, the electric heating method is adopted, smoke can be generated by electrically heating the tobacco-shred-similar object, a smoker can conveniently have a smoke, pollution to the environment is reduced, and harms of hazardous substance burning of the traditional cigarette on the human body are reduced.

The invention discloses a rapid door-closing device for an outlet of a coal mill, and a coal pulverizing system of a coal mill. The rapid door-closing device for the outlet of the coal mill comprises a rectangular sealed box body, two first sealing plates, baffle mechanisms, a transmission mechanism, a drive device, and an annular sealing air tube, wherein the rectangular sealed box body is welded between two sections of pulverized coal conveying pipelines through two bottom surfaces; the two first sealing plates are arranged on two opposite side surfaces of the rectangular sealed box body; each baffle mechanism is composed of a plurality of baffles and a plurality of rotary shafts, the two ends of each of the plurality of rotary shafts are fixed on the other two opposite side surfaces of the rectangular sealed box body respectively in parallel, and the first sealing plate and the rotary shafts are located in the same plane; an L-shaped notch is arranged in one side of the upper bottom surface of each baffle and in the opposite side of the lower bottom surface respectively along the direction of the rotary shafts; the transmission mechanism is connected with the plurality of rotary shafts respectively; the drive device is connected with the transmission mechanism; the annular sealing air tube sleeves the outer side surface of the rectangular sealed box body, a sealing air access port is arranged in the outer side surface of the annular sealing air tube, a plurality of sealing air inlets are arranged in the inner side surface of the annular sealing air tube, and sealing air is introduced into the rectangular sealed box body through the sealing air inlets.

The invention relates to an RC-IGBT device with a collector polysilicon electronic channel, and belongs to the technical field of semiconductors. The device has the following three characteristics: (1) a P collector region of a traditional RC-IGBT is divided into two sections, namely a high-concentration P + hole region and a low-concentration P-type electron blocking layer; and (2) an N + collector is arranged in the high-concentration P + hole region. And (3) an N-type polycrystalline silicon layer is introducedto the bottom of the collector. During forward conduction, the short-circuit resistance RCS of the collector can be changed by adjusting the doping of the polycrystalline silicon layer and the P-type electron blocking layer, so that the snapback effect is completely eliminated; during turn-off, the polycrystalline silicon layer can rapidly extract electrons, so that the turn-off loss is effectively reduced; and simulation results show that compared with a TRC RC-IGBT, the device completely eliminates the snapback effect during forward conduction, and the turn-off loss Eoff of the device is reduced by 59% when the forward conduction voltage drop is 2.8 V.

The invention discloses a tobacco shred analogue made of bamboo leaves and an electric heating method of the tobacco shred analogue. The tobacco shred analogue made of the bamboo leaves is formed by evenly mixing, by weight, tobacco essence 0.03-0.06, a nicotine solution 3-8 and tobacco-shred-like materials made of the bamboo leaves 155-120, wherein the nicotine solution is the nicotine and water solution or the nicotine and ethanol solution, the part by weight of the release amount of nicotine is 0.4-1.2. According to the tobacco shred analogue made of the bamboo leaves, the bamboo leaves, the tobacco essence and the nicotine solution are utilized to manufacture the tobacco shred analogue, the health care, edible and medical effects of the bamboo leaves are fully utilized, and compared with a traditional cigarette, smoking experience is more comfortable and richer. With regard to the smoking mode, the electric heating method is adopted, the tobacco shred analogue can produce smoke gas through electric heating, which is beneficial to smoking of a smoker, environmental pollution is reduced, and harm to a human body by harmful substances produced in the combustion process of the traditional cigarette is reduced.

The invention discloses a tobacco material class produced by taking citrus materials as raw materials and an electric heating method of the tobacco material class. The tobacco material class produced by evenly blending the raw materials including, by weight, 0.03-0.06 parts of tobacco essence, 3-8 parts of a nicotine solution and 55-120 parts of citrus tobacco materials, wherein the nicotine solution is a nicotine water solution or a nicotine ethanol solution, and the releasing amount of nicotine accounts for 0.4-1.2 parts by weight. Produced by the citrus materials, the tobacco essence and the nicotine solution and fully utilizing healthcare, edible and medical effects of citrus, the tobacco material class compared with conventional cigarettes has the advantages that smoking experience is more comfortable and richer; by means of the electric heating method, the tobacco materials class can produce smoke which can be conveniently sucked by a smoker, pollution to the environment is lowered, and damages of burning hazardous substances of the conventional cigarettes to human body can be reduced.

The invention discloses a tobacco-shred-similar object produced with chrysanthemums and lonicera japonica as raw materials and an electric heating method of the tobacco-shred-similar object produced with the chrysanthemums and the lonicera japonica as the raw materials. The tobacco-shred-similar object produced with the chrysanthemums and the lonicera japonica as the raw materials comprises tobacco flavors, nicotine solutions and a mixture of the smashed chrysanthemums and the smashed lonicera japonica, the raw materials which comprise, by weight, 0.03-0.06 parts of the tobacco flavors, 3-8 parts of the nicotine solutions and 55-120 parts of the mixture of the smashed chrysanthemums and the smashed lonicera japonica are evenly mixed, the nicotine solutions are nicotine aqueous solutions or nicotine ethanol solutions, and the nicotine release amount is 0.4-1.2 parts by weight. By means of the tobacco-shred-similar object and the electric heating method, the health care effect and the medical effect of the chrysanthemums and the lonicera japonica are sufficiently used; compared with a traditional cigarette, the smoking experience of the tobacco-shred-similar object is comfortable and abundant. In the smoking mode, the electric heating method is adopted, smoke can be generated by electrically heating the tobacco-shred-similar object, a smoker can conveniently have a smoke, pollution to the environment is reduced, and harms of hazardous substance burning of the traditional cigarette on the human body are reduced.

The invention discloses a tobacco-shred-similar object produced with mint raw materials and an electric heating method of the tobacco-shred-similar object produced with the mint raw materials. The tobacco-shred-similar object produced with the mint raw materials comprises tobacco flavors, nicotine solutions and mint tobacco-shred-shaped objects, the raw materials which comprise, by weight, 0.03-0.06 parts of the tobacco flavors, 3-8 parts of the nicotine solutions and 55-120 parts of the mint tobacco-shred-shaped objects are evenly mixed, the nicotine solutions are nicotine aqueous solutions or nicotine ethanol solutions, and the nicotine release amount is 0.4-1.2 parts by weight. By means of the tobacco-shred-similar object and the electric heating method, the tobacco-shred-similar object is produced by the tobacco flavors, the nicotine solutions and the mint tobacco-shred-shaped objects, and the health care effect and the medical effect of mint are sufficiently used by the tobacco-shred-similar object; compared with a traditional cigarette, the smoking experience of the tobacco-shred-similar object is comfortable and abundant. In the smoking mode, the electric heating method is adopted, smoke can be generated by electrically heating the tobacco-shred-similar object, a smoker can conveniently have a smoke, pollution to the environment is reduced, and harms of hazardous substance burning of the traditional cigarette on the human body are reduced.

The invention relates to a wavelength-adjustable receiver optical subassembly (ROSA) based on time and wavelength division multiplexing. The ROSA comprises a housing 1, a tunable filter plate 6, a film heating resistor 5 and a photodiode 3. The film heating resistor 5 is bonded above the tunable filter plate 6; an internal pin or lead wire 10 is welded on the film heating resistor 5; the lower part of the housing 1 and the photodiode 3 are fixed and assembled by glue; a side surface of the housing 1 has a hole or a circuit cover plate 2; internal pin or lead wire 10 welded on the film heating resistor 5 is connected with the hole on the side surface of the housing 1 or the circuit cover plate 2; the housing 1 and the circuit cover plate 2 are used to package the tunable filter plate 6, the film heating resistor 5, and the photodiode 3. The film heating resistor 5 is used to adjust a refractive index of the filter plate 6; the size can be minimized; the filter plate can be plastered easily; the device can be integrated, modularized, and minimized; the side surface of the whole housing has an electrical lead wire that is lead out; a welding wire won't fall off easily; and the packaging effect is good.

A multi-channel constant-current lighting circuit for automobiles comprises an error detecting circuit, a negative feedback circuit and a plurality of branch lighting circuits, wherein the error detecting circuit comprises a differential pair comprising two homotype triodes; the negative feedback circuit comprises a triode, a resistor and a diode; each branch lighting circuit comprises a proportional current source circuit respectively; and each proportional current source circuit comprises a branch resistor, a branch triode and a branch LED respectively. The differential pair comprising the two triodes can solve the problems caused by temperature shifting and instable supply voltage by detecting error current numbers of a power supply and cooperating with the negative feedback circuit, so that the lighting is more stable and the lighting circuits are independent of one another; the current of the LEDs can be adjusted conveniently, and multi-channel output capability can be expanded conveniently; and the current can be adjusted through PWM (Pulse-Width Modulation) signals with different duty ratios output by a micro-controller, thereby realizing software dimming without changing the circuits.

The invention discloses an electric ignition pipe of a gas generator and an ignition way of the electric ignition pipe. An ignition powder in the electric ignition pipe is an electric powder in whichan electric substance is mixed. The replacement of an ignition charge by the electric powder cancels a traditional bridging fibril or a bridging belt between two electrodes and does not need a complexbridging fibril welding technics in addition to improving the resistance between the two electrodes and reducing the ratio of the wrong burst of ignition for an air bag, besides the security of the maintenance and servicing is increased. The control of the ignition sensitivity can be realized by changing the distance of the electrodes and the proportion of the electric substance in the electric powder and adjusting the resistance between the electrodes.

The invention discloses a tobacco material class produced by taking hawthorn raw materials as raw materials and an electric heating method of the tobacco material class. The tobacco material class produced by evenly blending the hawthorn raw materials including, by weight, 0.03-0.06 parts of tobacco essence, 3-8 parts of a nicotine solution and 55-120 parts of hawthorn tobacco materials, wherein the nicotine solution is a nicotine water solution or a nicotine ethanol solution, and the releasing amount of nicotine accounts for 0.4-1.2 parts by weight. Produced by the hawthorn raw materials, the tobacco essence and the nicotine solution and fully utilizing healthcare, edible and medical effects of hawthorns, the tobacco material class compared with conventional cigarettes has the advantages that smoking experience is more comfortable and richer; by means of the electric heating method, the tobacco materials class can produce smoke which can be conveniently sucked by a smoker, pollution to the environment is lowered, and damages of burning hazardous substances of the conventional cigarettes to human body can be reduced.

The utility model discloses a similar cut tobacco prepared by tobacco waste and an electrical heating method of the similar cut tobacco. The similar cut tobacco prepared by the tobacco waste comprises a tobacco flavor, a nicotine solution and a tobacco waste cut tobacco type object, the tobacco flavor, the nicotine solution and the tobacco waste cut tobacco type object are uniformly mixed in parts by weight: 0.03-0.06 parts of tobacco flavor, 3-8 parts of nicotine solution and 55-120 parts of tobacco waste cut tobacco type object, wherein the nicotine solution is either a nicotine water solution or a nicotine ethane solution, and the release amount of nicotine is 0.4-1.2 parts by weight. The similar cut tobacco is prepared by the tobacco flavor, the nicotine solution and the tobacco waste cut tobacco type object, and is electrically heated to generate smoke smoked by a smoker, so that the environmental pollution can be reduced, the harm on the human body caused by the harmful substances generated by burning traditional cigarettes can be reduced, the hygienical, edible and medical effects of the tobacco waste can be fully used, and the smoking experience is more comfortable in comparison with the traditional cigarettes.

The invention discloses a tobacco-shred-similar object produced with liquorice raw materials and an electric heating method of the tobacco-shred-similar object produced with the liquorice raw materials. The tobacco-shred-similar object produced with the liquorice raw materials comprises tobacco flavors, nicotine solutions and liquorice tobacco-shred-shaped objects, the raw materials which comprise, by weight, 0.03-0.06 parts of the tobacco flavors, 3-8 parts of the nicotine solutions and 55-120 parts of the liquorice tobacco-shred-shaped objects are evenly mixed, the nicotine solutions are nicotine aqueous solutions or nicotine ethanol solutions, and the nicotine release amount is 0.4-1.2 parts by weight. By means of the tobacco-shred-similar object and the electric heating method, the tobacco-shred-similar object is produced with the liquorice raw materials, the tobacco flavors and the nicotine solutions, and the health care effect, the edible effect and the medical effect of liquorice are sufficiently used by the tobacco-shred-similar object; compared with a traditional cigarette, the smoking experience of the tobacco-shred-similar object is comfortable and abundant. In the smoking mode, the electric heating method is adopted, smoke can be generated by electrically heating the tobacco-shred-similar object, a smoker can conveniently have a smoke, pollution to the environment is reduced, and harms of hazardous substance burning of the traditional cigarette on the human body are reduced.

The invention discloses an external descending chamber layout device and a measurement method capable of accurately measuring core flow. The external descending chamber layout device includes a core simulation section, and the lower end of the core simulation section passes through the lower flange and the descending section. The pipes in the descending section are connected with a first flowmeter, the upper end of the core simulation section communicates with the upper head through the upper flange, the inlet pipe is arranged on the pipes in the descending section, and the upper end of the upper head An outlet pipeline is arranged on the top, and a bypass pipeline is also included. One end of the bypass pipeline communicates with the pipeline of the descending section, and the other end communicates with the upper head. A second flowmeter is arranged on the bypass pipeline. The present invention completely simulates the fluid pipeline of the actual reactor by setting the descending section pipeline and the side flow pipeline matched with the reactor core simulation section, and respectively measures the flow rates flowing through the downgoing section pipeline and the bypass flow pipeline, avoiding There is an inaccurate measurement caused by the simulation body ignoring the bypass pipeline.

The invention relates to the field of medical instruments. The purpose is to provide an easy-to-use pulmonary function rehabilitation trainer with adjustable impedance strength, which includes a mouthpiece, a trachea and a piston cylinder connected in sequence; the trachea communicates with the top of the piston cylinder, and the inside of the piston cylinder is composed of A moving piston and a fixed piston are arranged sequentially from top to bottom; an electromagnet is arranged at the center of the lower surface of the moving piston, and a permanent magnet is arranged at the center of the upper surface of the fixed piston; two symmetrically arranged on both sides of the fixed piston Vertically through the first exhaust hole of the fixed piston, two second exhaust holes are symmetrically arranged on both sides of the bottom of the piston cylinder; the center of the bottom of the fixed piston is also provided with a vertical screw, and the screw The lower end of the screw rod passes through the screw sleeve at the bottom of the piston barrel and stretches out of the piston barrel. The screw rod is threadedly matched with the screw sleeve, and an adjusting disc is also arranged at the lower end of the screw rod. The invention can conveniently and quickly adjust the resistance resistance, and can be used by people in different situations.

The invention proposes an elastic band, which can adjust different resistances and has good practicability. It includes a first belt body connected end to end, the left side and the right side of the first belt body are respectively provided with a first reinforcement part and a second reinforcement part, and a detachable resistance reinforcement is provided between the first reinforcement part and the second reinforcement part Assemblies, the resistance strengthening assembly includes a first mounting plate, a second mounting plate and several tension springs, one end of the first mounting plate is fixed inside the first reinforcement part, the other end protrudes outside the first reinforcement part, and the second One end of the mounting plate is fixed inside the second reinforcing part, and the other end protrudes outside the second reinforcing part, and the first mounting plate is opposite to the second mounting plate, and the first mounting plate and the second mounting plate are provided with There are connecting holes, and the two ends of the extension spring are respectively connected with the connecting holes.

The present application relates to a device for producing gradient glare texture panels, which includes a frame on which an embossing roller, a rubber roller and a printing plate roller are rotatably installed, and the embossing roller is located on the glue roller. The plate roller is located above the upper rubber roller and pressed against the upper rubber roller, and the frame is provided with adjustments for adjusting the embossing roller Device; the equipment for producing gradient glare texture panels of the present application can conveniently adjust the levelness of the embossing roller by setting the adjustment device, so as to obtain higher printing quality when printing gradient patterns.