33results about How to "Achieve the purpose of release" patented technology

The embodiment of the invention provides a bleeder circuit, and relates to the technical field of electron. The bleeder circuit comprises a first modulation circuit, a duty cycle adjustment module, a frequency adjustment module, a modulation chip and a bleeder module. The first modulation circuit, the duty cycle adjustment module, the frequency adjustment module and the bleeder module are all connected to the modulation chip, and the duty cycle adjustment module and the frequency adjustment module are further connected to the first modulation circuit. Whether a voltage of a power source exceeds an overvoltage set value or not is detected through the first modulation circuit, a PWM signal is generated by controlling the modulation chip, and according to the voltage, which exceeds the overvoltage set value, of the power source, the duty cycle modulation module and the frequency adjustment module adjust the duty cycle and the frequency of the PWM signal output by the modulation chip respectively to further achieve the work time of the bleeder module and to achieve the purpose of electric energy release of the power source. According to the bleeder circuit, the resource of an MCU and software resources can be not occupied, time and labor are saved, moreover, the bleeder resistor is connected when the electric energy is bled, and unnecessary heating of devices is reduced.

The invention relates to a large-span steel structure staggered-layer closure installation method. The method comprises the following construction steps that S1, installing a supporting frame; S2, mounting a first-layer beam: namely fixing one end of the first-layer beam to a bracket on a core tube on one side, disconnecting and temporarily connecting the other end of the first-layer beam with a bracket on the core tube on the other side; S3, installing a first-section supporting column and a second-layer beam: specifically, fixedly arranging the first-section supporting column on the first-layer beam, installing the second-layer beam in a segmented mode, and making the disconnection position opposite to that of the first-layer beam; S4, mounting a third-layer beam: hoisting the three-layer beam to a mounting position in a segmented manner, fixedly connecting the bottom of the third-layer beam with the top end of the first-section supporting column, and making the disconnecting position of the third-layer beam the same as that of the first-layer beam; S5, installing a tail-section supporting column, a backwards counted second-layer beam and a top-layer beam, specifically, making the disconnecting positions of the backwards counted second-layer beam and the top-layer beam with the core tube opposite to the disconnecting positions of one adjacent lower-layer beam and the backwards counted second-layer beam, respectively; and S6, welding the disconnected position of a steel beam and the core tube. The construction method has the advantages of high construction efficiency and cost saving.

The invention relates to a reagent cup clamping and reagent sucking and mixing synchronization device, which comprises a belt motion mechanism, a screw rod motion mechanism and a synchronous clampingand mixing device. The screw rod motion mechanism is mounted on the belt motion mechanism. The synchronous clamping and mixing device is mounted on the screw rod motion mechanism and comprises a structure for cam type clamping or electromagnetic clamping of a reagent cup and a structure for enabling a sampling needle to sample up and down and inject reagents into the reagent cup. In once belt reciprocating motion, functions of automatic reagent cup clamping, automatic reagent cup releasing, automatic reagent suction, automatic mixing and the like can be realized at the same time.

The invention provides a handheld rapid fixture, which comprises a shifting lever, a fixed handle, a drive handle, a first grip block, a second grip block and other members. The shifting lever penetraThe invention provides a handheld rapid fixture, which comprises a shifting lever, a fixed handle, a drive handle, a first grip block, a second grip block and other members. The shifting lever penetrates through the fixed handle, a group of action plates and a group of stop plates. One end of the body of the shifting lever is provided with the first grip block through locking. The second grip bloctes through the fixed handle, a group of action plates and a group of stop plates. One end of the body of the shifting lever is provided with the first grip block through locking. The second grip block is arranged above the fixed handle which is pivotally connected with the drive handle. A movable apical axis is erected on the fixed handle and is provided with a beam barrel at another end. When thk is arranged above the fixed handle which is pivotally connected with the drive handle. A movable apical axis is erected on the fixed handle and is provided with a beam barrel at another end. When the drive handle is pressed, the top end of the body of the drive handle drives the apical axis, and furthermore, the action plate is pressed by the beam barrel. The dislocated shift of the action platee drive handle is pressed, the top end of the body of the drive handle drives the apical axis, and furthermore, the action plate is pressed by the beam barrel. The dislocated shift of the action plate is used for driving the shifting lever to generate unidirectional displacement, thus causing the two grip blocks to generate the operation function of gripping or expanding. The handheld rapid fixturis used for driving the shifting lever to generate unidirectional displacement, thus causing the two grip blocks to generate the operation function of gripping or expanding. The handheld rapid fixture saves more labor in operation and has better holding force and stretching tension.e saves more labor in operation and has better holding force and stretching tension.

The invention relates to an external wrapping membrane and an external wrapping membrane soft capsule thereof. The external wrapping membrane comprises the following components: 25 to 70wt% of phthalic acid ethyl cellulose, 10 to 35wt% of hydroxymethyl propyl cellulose, 5 to 25wt% of polyvinyl alcohol 3000, 0.4 to 2wt% of sodium alginate, 3 to 12wt% of oleic acid and 0.1 to 5wt% of pigment. The invention provides the external wrapping membrane released in small intestines and obtained by a water system, the external wrapping membrane soft capsule and a preparation method thereof, and the soft capsule obtained by the preparation has higher safety.

The embodiment of the invention provides a bleeder circuit, and relates to the technical field of electron. The bleeder circuit comprises a first modulation circuit, a duty cycle adjustment module, a frequency adjustment module, a modulation chip and a bleeder module. The first modulation circuit, the duty cycle adjustment module, the frequency adjustment module and the bleeder module are all connected to the modulation chip, and the duty cycle adjustment module and the frequency adjustment module are further connected to the first modulation circuit. Whether a voltage of a power source exceeds an overvoltage set value or not is detected through the first modulation circuit, a PWM signal is generated by controlling the modulation chip, and according to the voltage, which exceeds the overvoltage set value, of the power source, the duty cycle modulation module and the frequency adjustment module adjust the duty cycle and the frequency of the PWM signal output by the modulation chip respectively to further achieve the work time of the bleeder module and to achieve the purpose of electric energy release of the power source. According to the bleeder circuit, the resource of an MCU and software resources can be not occupied, time and labor are saved, moreover, the bleeder resistor is connected when the electric energy is bled, and unnecessary heating of devices is reduced.

The invention relates to a temperature and pressure dual acting explosion-proof device, which comprises an adapting rack, a fixed bracket, a sealing gasket, a rupture disc, a hinge, a connecting member and a fused pin, wherein the adapting rack is arranged at the upper part of the fixed bracket; the sealing gasket is arranged between the adapting rack and the fixed bracket; the rupture disc is arranged at the lower part of the fixed bracket; the hinge is arranged at the right side of the temperature and pressure dual acting explosion-proof device; two ends of the hinge are respectively connected with the adapting rack and the fixed bracket; the connecting member is arranged at the left side of the temperature and pressure dual acting explosion-proof device; the upper end of the connecting member is connected with the adapting rack; and the lower end of the connecting member is connected with the fixed bracket through the fused pin. Compared with the prior art, the temperature and pressure dual acting explosion-proof device has a simple structure, convenience in use and a wider application range; in addition, the aim of release can be achieved under the condition of set temperature or set pressure; and more potential safety hazards caused by change of the performance of a medium due to temperature change are overcome.

The invention discloses a black soldier fly breeding insect material separation system, comprising: a first box body for placing a black soldier fly breeding insect material mixture; a second box body for placing collected black soldier fly larvae; a control device , including at least one rotatable cage, the cage is arranged in the first box, used to form and regulate the temperature or light intensity of a region in the first box, so as to drive the black soldier fly larva directionally; the rotating collection device , including at least one rotatable collection assembly, the collection assembly includes at least three collection rods with the same ends, when the collection rod is at the first position, the black soldier fly larvae are driven into the collection rod by the regulating device, and when the collection rod is at the first position During the second position, the black soldier fly larva inside it is released into the second casing. The invention utilizes the black soldier fly larvae's habit of avoiding light and heat to drive it to crawl autonomously and separate from nourishment, has short crawling distance and high separation efficiency, improves work efficiency and reduces breeding cost.

The invention relates to an elevator brake releasing device. The elevator brake releasing device comprises a first brake, a second brake, a first support and a second support, wherein the first brake and the second brake are symmetrically arranged on an elevator host. The elevator brake releasing device further comprises a control rope, an outside well releasing operating mechanism used for tensioning or releasing the control rope, a first pull rod and a second pull rod, wherein the first pull rod and the second pull rod are arranged in a crossed mode. One end of the first pull rod is rotationally connected with the first support, and a pulley is connected to the other end of the first pull rod. The first pull rod is provided with a movable groove. One end of the second pull rod is movably connected with the second support. The other end of the second pull rod penetrates through the movable groove and is connected with one end of the control rope. The other end of the control rope winds around the pulley to be connected with the outside well releasing operating mechanism. The first brake and the second brake are connected with the first pull rod and the second pull rod respectively. According to the elevator brake releasing device, releasing is carried out in a mechanical mode, the problem of failure of the releasing device due to electric failure can be solved, and safety and reliability are achieved. The first pull rod and the second pull rod are arranged in the crossed mode, the synchronism of releasing of the first brake and the second brake is high, and brake force is stable.

A back board releasing device controllable in obstetric sickbed speed comprises a back board, a frame, damp rods, an electric push rod, lower air springs, upper air springs, an upper sliding groove and a lower sliding groove. A pair of connecting plates perpendicular to the back board is arranged in the middle of the lower surface of one end of the middle, close to the frame, of the back board, and the end provided with the connecting plates, of the back board is further connected with the frame through a rotary shaft. The back board releasing device is characterized in that the connecting plates are hinged to the front end of the electric push rod through connecting structures, the rear end of the electric push rod is hinged to the frame, the lower air springs and the upper air springs are hinged to one side face of the connecting plates, a sliding structure is hinged to the other end of each lower air spring and the other end of each upper air spring respectively, and the sliding structures are matched with plug plates fixedly arranged on the frame in a paired mode. The damp rods are hinged to the other side face of each connecting plate, and the other end of each damp rod is in hinged connection with the frame. The back board releasing device can control the back board releasing speed in a set range and meanwhile has strong load change resistance capability.

The invention relates to an environment-responsive Paecilomyces lilacinus microbead, a preparation method and application thereof, and belongs to the technical field of agricultural microorganism development. The environment-responsive Paecilomyces lilacinus microbeads provided by the invention can stimulate the dissolution of polyvinyl alcohol in the shell according to the moisture content in the soil, so that the water in the soil flows into the microbeads; the cellulose nanofibers inside the microbeads absorb water and swell, Block the small holes in the shell, so that the spores cannot flow out; when the spores meet water, they use the nutrients inside the microbeads to germinate and reproduce. During the reproduction process, the protease and chitinase secreted by Paecilomyces lilacinus can degrade the shell. The gelatin and chitosan can be released after a certain period of time. In areas with a lot of rain or in irrigated soil, the microbeads can increase the number of strains released and improve the efficiency of fertilizer use.

The invention discloses a chiral-acid / alkali-stimulation-responsive difunctional fluorescence molecular initiator, and a preparation method and application thereof. The structure of the initiator is disclosed as the following general formula. The chiral center and chromophore are introduced into the initiator; the initiator can perform hybrid polymerization on isonitrile and lactide or epsilon-caprolactone monomers by a one-pot process, has the advantages of favorable self-sorting polymerizing power and high stability, and can be used for active / controllable polymerization of isonitrile, lactide, epsilon-caprolactone and other monomers; and the obtained polyisonitrile, polylactide homopolymer and block copolymers thereof have controllable molecular weight and narrow molecular weight distribution.

The invention discloses a bifunctional initiator with near-infrared absorption and self-sorting polymerization characteristics, and a preparation method and application thereof. The initiator can perform hybrid polymerization on isonitrile and epsilon-caprolactone monomers by a one-pot process, has the advantages of favorable self-sorting polymerization capacity and high stability, and can be used for active controllable polymerization of isonitrile, epsilon-caprolactone and other monomers. The obtained polyisonitrile and polycaprolactone homopolymer and block copolymer thereof have controllable molecular weight and narrow molecular weight distribution.

The invention discloses a tank clamping and releasing mechanism for clamping and releasing a tank. The mechanism comprises a releasing device and a clamping device arranged on an external rotary table, wherein the rotary table is rotatably mounted on an external mounting seat; the clamping device comprises a first clamping part and a second clamping part; the first clamping part is mounted on the rotary table and is provided with a hanging end; the second clamping part is in pivot joint with the first clamping part or the rotary table and is provided with a pushing end and a clamping end; a clamping area is formed between the clamping end and the hanging end; the pushing end is elastically connected with the first clamping part or rotary table so that the hanging end and the clamping end are together clamped in the tank in the clamping area; the releasing device is arranged on the mounting seat and comprises a pushing part and a driver; the driver drives the pushing part to drive the pushing end to rotate; and the rotating pushing end drives the clamping end to rotate toward a direction expanding the clamping area so as to release the tank in the clamping area. The mechanism disclosed by the invention performs automatic ordered clamping and releasing of the tank to meet the requirement of automatic operation.

The invention relates to the technical field of leather shoe maintenance, and discloses a handheld leather shoe skin dirt wiping device. The wiping device comprises a barrel body; a transverse installing plate is fixedly connected between the inner walls of the left side and the right side of the barrel body; a storage battery is fixedly connected to the upper surface of the transverse installingplate; a micro motor is fixedly connected to the lower surface of the transverse installing plate through bolts; a switch button is arranged in the middle of the top of the barrel body; a limiting handle is fixedly connected to the left side of the barrel body through bolts; a fixed hollow circular ring is welded at the bottom of the barrel body; a rotary circular plate is movably connected to theinner side of the fixed hollow circular ring through movable roll balls; an output shaft of the micro motor is fixedly connected with a torque rotating shaft through a shaft coupler; one end, far away from the micro motor, of the torque rotating shaft is fixedly connected to the middle of the upper surface of the rotary circular plat; and a hollow threaded barrel is fixedly connected to the lowersurface of the rotary circular plate through a connecting plate. According to the handheld leather shoe skin dirt wiping device, the purpose of wiping dirt in gaps at the joints of leather shoe materials is achieved.

The invention relates to a large-span steel structure staggered-layer closure installation method. The method comprises the following construction steps that S1, installing a supporting frame; S2, mounting a first-layer beam: namely fixing one end of the first-layer beam to a bracket on a core tube on one side, disconnecting and temporarily connecting the other end of the first-layer beam with a bracket on the core tube on the other side; S3, installing a first-section supporting column and a second-layer beam: specifically, fixedly arranging the first-section supporting column on the first-layer beam, installing the second-layer beam in a segmented mode, and making the disconnection position opposite to that of the first-layer beam; S4, mounting a third-layer beam: hoisting the three-layer beam to a mounting position in a segmented manner, fixedly connecting the bottom of the third-layer beam with the top end of the first-section supporting column, and making the disconnecting position of the third-layer beam the same as that of the first-layer beam; S5, installing a tail-section supporting column, a backwards counted second-layer beam and a top-layer beam, specifically, making the disconnecting positions of the backwards counted second-layer beam and the top-layer beam with the core tube opposite to the disconnecting positions of one adjacent lower-layer beam and the backwards counted second-layer beam, respectively; and S6, welding the disconnected position of a steel beam and the core tube. The construction method has the advantages of high construction efficiency and cost saving.

The invention provides an electrostatic grounding device. The electrostatic grounding device comprises a retractable copper bar, a wire and a grounding body, wherein the upper part of the retractable copper bar is a fixed end while the lower part of the retractable copper bar is a retractable end; the fixed end is connected with the wire; the other end of the wire is connected with the grounding body; and a rubber head is arranged on the top of the retractable end. By the electrostatic grounding device, static electricity is directly guided to the ground through the retractable copper bar, the wire and the grounding body, and therefore, the purpose of releasing the static electricity is achieved. The retractable copper bar is retractable, the distance between a crane pipe and the bottom of a tank of a tank car can be adjusted according to the capacity of the tank car, and the problems that the height of the crane pipe is fixed so that the distance between the crane pipe and the bottom of the tank of the large-capacity tank car is long, and a large amount of static electricity is easily generated on the surface of an oil product are solved. By the tank car static electricity releasing device, the oil product, the head of the crane pipe and the ground are connected directly, middle contact links are omitted, resistance detecting is not required, and costs are greatly saved.