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 an adjustable spring abdomen exercising device. The adjustable spring abdomen exercising device comprises a barrel of which two ends are provided with openings, an upper end cap, a lower end cap, a pushing and pressing assembly and a base, wherein the upper end cap fixedly covers and seals the top opening of the barrel; the lower end cap is fixed on the bottom opening of the barrel; the lower end of the lower end cap extends to obtain a connecting column; the bottom of the connecting column is movably connected with the base through a spherical hinge; the pushing and pressing assembly comprises a pushing rod, pushing handles, a pushing plate and a plurality of stretching springs which are mounted in a sleeving manner; two sides of the top of the pushing rod are fixedly connected with the pushing handles; the bottom end of the pushing rod penetrates through a central hole of the upper end cap and is rotatably connected with the pushing plate; the pushing plate isfixedly provided with a plurality of stretching springs from inside to outside; mounting rings are separately fixed at the top ends of the stretching springs; and the mounting rings and a cover bosson the lower end surface of the upper end cap are fixed in a clamped manner. The adjustable spring abdomen exercising device is low in manufacturing cost and small in integrated occupation space; connection of the structure can be implemented by the detachable springs; the resistance is convenient to adjust; and the device is stable and reliable to use.

The invention relates to a method for realizing multiple resistance values of electronic cigarette atomizing heating wires. Multiple groups of heating resistance wires are jointly arranged in an atomizing chamber of an electronic cigarette atomizing core; each group of heating resistance wire is provided with a connecting lead to lead out of the atomizing chamber; and different groups of heating resistance wires are in combined connection outside the atomizing chamber to generate resistance wire combination with different resistance values, and different power combination can be generated after electrification. According to the atomizing wire multi-value-resistance arrangement structure using the above method, multiple groups of heating resistance wires are arranged in the atomizing chamber of the electronic cigarette atomizing core, and each group of heating resistance wire is provided with the connecting lead to lead out of the atomizing chamber; a resistance value adjusting device is arranged outside the atomizing chamber and is directly connected with the connecting leads which are led out by the heating resistance wires in the atomizing chamber; and the adjusting device sets up various different connecting modes for leading out the connecting leads.

The invention discloses an infrared receiving circuit input structure, which comprises a photosensitive diode and one or a plurality of voltage division circuits and is characterized in that the voltage division circuit comprises a control circuit, a switch circuit and a resistance network, wherein the control circuit is connected with the switch circuit and controls the on-off state of the switch circuit; the switch circuit is connected with the resistance network in parallel; and the control circuit and the resistance network are respectively connected into an infrared receiving circuit to form a feedback loop. By adopting the structure, the problem of saturation distortion of a front end amplifier under strong light interference can be avoided, so the circuit can work in a strong light environment without affecting the circuit performance.

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 discloses a tobacco-shred-similar substance made of Chinese-date raw materials and an electric heating method of the tobacco-shred-similar substance. The tobacco-shred-similar substance made of the Chinese-date raw materials comprises tobacco flavors, nicotine solution and a Chinese-date tobacco-shred-shaped substance body, 0.03-0.06 part by weight of the tobacco flavors and 3-8 parts by weight of the nicotine solution are evenly mixed, the nicotine solution is nicotine aqueous solution or nicotine ethanol solution, and released substances are composed of 0.4-1.2 parts by weight of nicotine and 55-120 parts by weight of the Chinese-date tobacco-shred-shaped substance body. According to the tobacco-shred-similar substance and the electric heating method, the Chinese-date raw materials, the tobacco flavors and the nicotine solution are used for manufacturing the tobacco-shred-similar substance, the tobacco-shred-similar substance will generate smoke by being electrically heated, a smoker can have a smoke, environment pollution can be reduced, harm to the human body caused by harmful substance generated by combustion of traditional cigarettes is reduced, the health-care, edible and medical effects of Chinese dates are fully used, and smoking experience is more comfortable compared with the traditional cigarettes.

The invention provides a body-building appliance, which is convenient for a user to exercise in a seated posture, wherein the body-building appliance comprises a base, a support frame and a rail; the base is provided with a near-end part and a far-end part, wherein at least a part of the base is extended in transverse direction; the support frame is provided with a first end connected with the far-end part of the base and a second end extended upwards from the far-end part; the rail is extended to the second end of the support frame from the near-end part of the base, and the rail comprises a long pipe and an adjacent guide rail; a rolling shaft mechanism can be movably connected with the rail; the rolling shaft mechanism structurally comprises a plurality of wheel with slotted edges inside an outer housing and one or a plurality of wheels connected with the outer part of the outer housing and contacted with the rail, wherein at least two wheels are arranged on both sides of the long pipe; and one or a plurality of footboards can be connected with the rolling shaft mechanism.

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-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 an ultrasonic inspection auxiliary device which comprises a bracket erected on the ground; a first supporting arm is connected to the bracket and is provided with an abutting piece; the abutting piece comprises an abutting block and an air bag which is in contact with a human body; the abutting block is provided with a containing groove; the air bag is contained in the containing groove and is connected with an external air inflation motor; and an opening, through which an ultrasonic probe penetrates, is formed in the abutting block. The ultrasonic inspection auxiliarydevice is simple in structure, convenient to operate and suitable for most patients, can more perfrom probing for patients with obesity or inconvenient in operation to enable an image obtained by probing to be more accurate and is convenient for a doctor to operate to enable the doctor not to generate diseases, including scapulohumeral periarthritis and cervical spondylosis, caused by long-time exertion.

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 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-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 relates to a production process of a gradual-change dazzle light texture panel. The production process comprises the following process steps: S1, pretreatment: treating a transparent substrate to obtain a to-be-printed plate blank; S2, printing UV gloss oil, namely printing a layer of transparent UV gloss oil on the printing plate blank and carrying out UV curing to obtain a semi-finished panel A; S3, carrying out glaring texture mold pressing, namely, enabling glaring texture patterns to be mold-pressed on the face, printed with the UV gloss oil, of the semi-finished product panel A to obtain a semi-finished product panel B; S4, carrying out gradient pattern printing, specifically, printing gradient patterns on the face, printed with the UV gloss oil, of the semi-finished product panel B in a lithographic mode to obtain a semi-finished product panel C; S5, carrying out vacuum coating, namely performing vacuum coating on the surface, printed with the gradient pattern, of the semi-finished panel B to form a coating layer, so as to obtain a semi-finished panel D; and S6, carrying out bottom color printing, namely printing a bottom color on the surface, with the coating layer, of the semi-finished product panel D in a silk-screen manner to obtain a finished product panel. The visual effect is diversified, and the visual impact force is large.

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.