32results about How to "Easy to implement protection" patented technology

The invention discloses a cold and hot probe device and particularly relates to a probe device for cold and hot combination therapy by electric heating and liquid nitrogen refrigerating, which is suitable for treating various solid tumors. The cold and hot probe device comprises a low-temperature pressure vessel, a low-temperature working medium, a booster, a low-temperature fluid valve, a low-temperature working medium transport tube, a handle, a probe pole, a probe head, an electric heating element, a temperature sensor, a data acquisition / control unit, a DC power supply module, a computer and the like. The invention can cool and heat the probe head conveniently so as to implement the cold and hot combination treatment and prevent normal tissues around the probe pole from being frozen and damaged in the cooling process. The invention has the advantages of simple structure, low cost, good controllability, high safety, convenient use and the like.

The invention relates to a checkweigher for weighing a slide way. The checkweigher comprises a third support frame and a fourth support frame, wherein a weighing sensor is arranged on the third support frame, and a weighed slide way which is obliquely placed is arranged on the weighing sensor; an eliminating platform and an eliminating and grading mechanism are arranged on the fourth support frame; the eliminating platform is arranged below a discharge outlet of the weighed slide way; and the weighed slide way is in rigid connection with the stressed end of the weighing sensor through a force guide rod, an included angle between the design stressed direction of the weighing sensor and the material sliding direction of the weighed slide way is B, and B is more than 0 degree and less than 90 degrees or B is more than 90 degrees and less than 180 degrees. The back end of the weighed slide way and the front end of the eliminating platform are opposite with a spacing interval and are not in contact, and the weighed slide way is higher than the front end of the eliminating platform, so that the checkweigher solves the problems that a rotating motion part in a weighing and metering unit of an existing separating and checking scale seriously affects weighing precision, economy, practicality and efficiency, as well as the problems that an eliminating and grading device affects the weighing precision and the manufacturing, debugging and maintenance cost.

The invention relates to a separable ciphertext domain reversible data hiding method, which comprises three parts of a content owner, a secret data hider and a receiver, and is characterized in that the content owner preprocesses a carrier image to vacate a spare space to hide secret data; the secret data hider can directly hide secret data without knowing the content of the carrier image; after the receiver obtains the encrypted image with the secret data, the receiver can extract the secret data and recover the carrier image. According to the invention, a separable ciphertext domain reversible digital hiding method is realized. The authorized user can recover the carrier image in a lossless manner or extract the secret data in a lossless manner according to own needs or own held secret keys.

The invention belongs to the technical field of gear machining equipment and provides a gear forming grinding machine tool comprising a machine tool body; a mounting stand of the machine tool body is provided with a numerical control indexing head, a tooth profile centring device, a gear clamping device, a swing device and a grinding and dressing device; the numerical control indexing head is provided with a tooth space conversion mechanism; the tooth profile centring device comprises a base slidably located on the mounting stand, the base is provided with a position correcting mechanism, and a first centre is slidably arranged in the base and is connected with a first regulating mechanism; the swing device comprises a swing arm mounted in a swing groove of the machine tool body in a limited swing way; the grinding and dressing device comprises supporting plates slidably mounted at two sides of the swing arm, and a second regulating mechanism and a locating mechanism are arranged between the supporting plates and the swing arm, and each of the two supporting plates is provided with a shaping grinding wheel and a dressing wheel. The grinding wheel disclosed by the invention can be used while being repaired, so that the machining precision and efficiency of a drum gear are increased; and the gear forming grinding machine tool can be suitable for flexibly-regulated machining of drum gears with different specifications.

The invention discloses an efficient surface-mounted triode with a good heat dissipation structure and belongs to the technical field of surface-mounted triodes. The efficient surface-mounted triode comprises a packaging outer shell, a wear-resistant anti-cracking assembly and a heat dissipation assembly; pins are installed at the lower portion of the packaging outer shell; a sealing waterproof assembly is fixed to the outer sides of the joints of the pins and the packaging outer shell; the wear-resistant anti-cracking assembly is fixed to the outer side of the packaging outer shell; a fixingplate is integrally connected to the upper portion of the packaging outer shell; a threaded hole is formed in the middle of the fixing plate; a main body chip is installed in the middle of the interior of the packaging outer shell; a reinforced protection assembly is installed on the outer side of the main body chip; conductive layers are welded to the joints of the main body chip and the pins; and insulating layers are fixed to the upper side and the lower side of the main body chip respectively. According to the efficient surface-mounted triode of the invention, the sealing waterproof assembly is adopted, the connecting positions of the pins and the packaging outer shell can be conveniently prevented from being affected with damp and aged; and the heat dissipation assembly is adopted, sothat the efficient heat dissipation of the surface-mounted triode is facilitated.

The invention provides a multifunctional marine ranching environment monitoring device, and belongs to the technical field of aquaculture. The problem of marine fishery environment monitoring in the prior art is solved. The multifunctional marine ranch environment monitoring device comprises sensors, the sensors are distributed on a flexible cylinder, one end of the flexible cylinder is retracted and released by a retracting and releasing device, the other end of the flexible cylinder is turned outwards to be connected to a ring body, the cylinder body, turned outwards, of the flexible cylinder is an outer side cylinder body, the cylinder body, located on the inner side, of the flexible cylinder is an inner side cylinder body, an air pressure control device for controlling the air pressure in a cavity between the inner side barrel body and the outer side barrel body is arranged, the ring body is fixed to a horizontal shaft, the horizontal shaft is rotationally arranged on a vertical shaft, and the vertical shaft is controlled by a motor to rotate. According to the invention, the environmental parameters of the marine ranching at different positions can be conveniently monitored, the environment at different water depths can be measured, the environment at different positions of a water layer can also be measured, and the sensor can be conveniently protected.

The invention belongs to the technical field of crowned tooth machining equipment, and provides a circular locus crowned tooth forming grinding swing device. The circular locus crowned tooth forming grinding swing device comprises a rocker arm which is provided with a grinding head supporting plate in a sliding mode. The rocker arm is fixedly connected with a screw rod nut. A screw rod in threaded connection with the screw rod nut is installed in the grinding head supporting plate in a rotating mode. A cover plate, an index dial and a hand wheel which is in key connection with the top end of the screw rod are sequentially arranged on the top face of the grinding head supporting plate. A grinding head motor and a grinding head fixed base used for installing a modification grinding wheel are installed at the two sides of the grinding head supporting plate correspondingly. A hinged support block is embedded in the top end of the rocker arm. A machine body is provided with two center bases which are correspondingly arranged, and centers abutting against the hinged support block are installed in the center bases. A hinged support is installed on the bottom face of the rocker arm. A limiting plate with an arc sliding rail is hinged to the hinged support, and the hinged support is connected with a hydraulic oil cylinder. By means of the circular locus crowned tooth forming grinding swing device, modification machining of crowned teeth can be achieved conveniently, and machining precision of the crowned teeth is improved; and the circular locus crowned tooth forming grinding swing device can be suitable for flexible adjustment machining of the crowned teeth of different specifications, and universality is high.

The invention discloses a high-efficiency patch triode with a good heat dissipation structure, relates to the technical field of patch triodes, and includes a packaging shell, a wear-resistant and crack-proof component and a heat dissipation component. Pins are installed under the package shell. And the outer side of the connection between the pin and the package shell is fixed with a sealing and waterproof component, the wear-resistant and crack-proof component is fixed on the outside of the package shell, the upper part of the package shell is integrally connected with a fixing plate, and the fixing plate A threaded hole is provided in the middle, a main chip is installed in the middle of the package shell, and a reinforced protective component is installed on the outside of the main chip, a conductive layer is welded at the connection between the main chip and the pin, and the upper and lower sides of the main chip Insulation is fixed on both sides. The beneficial effect of the present invention is that: the device facilitates the prevention of moisture aging at the connection position between the pin and the package shell through the arrangement of the sealed waterproof component, and facilitates the efficient heat dissipation of the chip transistor through the arrangement of the heat dissipation component.

The invention relates to a temperature control method of terminal equipment, a related method and a related device. The temperature control method of the terminal equipment comprises the following steps of: detecting a current system operation state of the equipment; determining at least one temperature control strategy corresponding to the current system operation state according to pre-stored matching relationships between system operation states and temperature control strategies; and detecting the temperature of an equipment heat source corresponding to each temperature control strategy corresponding to the current system operation state, judging whether the detected temperature of the equipment heat source meets the temperature change condition, and if so, executing corresponding temperature regulation operation. Different temperature control strategies are selected according to the change of the system operation state of the terminal equipment, so that the terminal equipment can always work in a safe, accurate and appropriate temperature range, the temperature control implementation mode is more efficient and flexible, the effectiveness and pertinence of temperature control are improved, hardware of the terminal equipment is conveniently protected, and the service life of hardware is prolonged.

The invention discloses a multi-working-mode plasma power supply with adjustable energy density. The power supply comprises a main circuit and a control circuit. The main circuit comprises a rectification filtering module, a full-bridge inversion module, a primary side resonance inductance module and an intermediate frequency transformer module which are connected in sequence. The control circuitcomprises a DSP controller module and a signal detection module. The improved driving capability of the plasma power supply can be improved, the adaptability of the plasma power supply to various plasma generators is enhanced, the power supply efficiency is improved, the dynamic characteristics of the power supply are improved, and the software and hardware cost is reduced.

The invention discloses a power grip capable of protection, which relates to the technical field of sports equipment; a protective cover is sleeved on the outside of the spring body, connecting rods extend from both sides of the spring body, and the lower ends of the two connecting rods All are equipped with handles, shock-absorbing rubber pads are installed on the inner wall of the handle, thumb collars are installed on the outer wall of the left handle, and finger anti-slip frames are installed on the outer wall of the right handle. The middle and lower side of the spring body is equipped with a connecting piece, and the lower end of the connecting piece is equipped with an air bag body; the invention is convenient to realize anti-slip and protection, improves safety, is convenient to use, easy to operate and high in efficiency.

The invention relates to the technical field of ship webs, discloses a ship web steel structure support with an anti-corrosion structure for buffering and shock absorption, and solves the problems that the steel structure support is poor in shock absorption performance, so that the protection performance of a wire harness is low, and the wire harness is inconvenient to disassemble and assemble. Two mounting grooves are symmetrically formed in one side of the steel support body, wire inserting pipes are inserted into the two mounting grooves in a penetrating mode, clamping mechanisms are connected to one ends of the two wire inserting pipes, the two clamping mechanisms are connected through a driving mechanism, and first containing grooves are symmetrically formed in the steel support body; the two first containing grooves are connected through a second containing groove, the two first containing grooves communicate with the mounting groove, clamping sets connected with the wire inserting pipe are arranged in the first containing grooves, and damping mechanisms are arranged on the two sides of each clamping set; by means of the design, convenience is effectively brought to disassembly and assembly of the wire inserting pipe and the wire harness, and labor input is effectively saved.

The invention discloses a heating type cold-proof cap for outdoor use, which relates to the technical field of outdoor equipment; the eyes of the cap body are provided with eyelets, the nose of the cap body is provided with a breathable gauze net, and the cap body An elastic band is arranged at the bottom, a safety protective shell is installed on the upper side of the inside of the cap, a flexible battery board is installed on the top of the cap, a control switch is installed on the side wall of the cap, and one of the control switches The terminal is electrically connected to the flexible battery board, and the other terminal of the control switch is electrically connected to the constant temperature heating sheet through a wire. The constant temperature heating sheet is arranged on both sides inside the cap body, and the bottom of the safety protection shell A protective cotton body is provided; the invention is convenient for realizing protection and cold protection, has high safety, is easy to operate, and has high efficiency.

The invention relates to the technical field of bamboo chip treatment, and discloses bamboo craft raw material steaming and insect preventing equipment which solves the problems that bamboo steaming efficiency is low and labor input is large, the bamboo craft raw material steaming and insect preventing equipment comprises a steaming box, a water outlet pipe and a water inlet pipe, the water outlet pipe is located at the bottom end of one side of the steaming box, and the water inlet pipe is located at the top end of one side of the steaming box; the water inlet pipe is located below the water outlet pipe, a heating device is arranged at the inner bottom end of the cooking box, two rotating plates are symmetrically arranged in the cooking box, and one side of one rotating plate is connected with the inner wall of the cooking box through a mounting shaft; by arranging the cooking box, the water outlet pipe, the water inlet pipe and the heating device, cooking liquid can be conveniently heated, then convenience is brought to cooking of bamboo chips, orderly clamping of the bamboo chips with different lengths is achieved through the effect of the clamping mechanism and the connector, the situation that the bamboo chips collide in the cooking process can be avoided, and bamboo wood is protected.

The invention discloses a lithium battery heat dissipation and heat preservation system in the technical field of heat dissipation and heat preservation of lithium batteries. Electronic refrigeration chips are fixedly arranged on the side walls of the opposite sides of the two sets of fixed frames, and the electronic refrigeration chips of the two groups are evenly spaced. Condensation fins are fixedly installed, the right side of the inner cavity top of the box body is fixedly provided with a single-chip controller, the right side wall of the radiator is provided with a heat conduction through hole matching the heat dissipation through hole, and the two sets of mounting plates A heat conduction plate is fixedly installed between them, a heat dissipation fan is fixedly installed on the inner side of the heat dissipation channel, a filter cotton net is fixedly installed on the inner and outer sides of the heat dissipation channel, and the bottom of the left side wall of the inner cavity of the box body is fixedly equipped with a The equipped insulator can absorb the heat inside the box in various ways, improve the efficiency of heat dissipation, and at the same time, it can keep the battery body warm, which is convenient for the protection of the battery body and improves the service life of the battery body .

The invention discloses an antiseptic and antibiotic paint additive to protect metallic elements of apartment, bank, mine and municipal works in sewer facilities or anoxic acid environment, which comprises the following steps: allocating zeolitic powder, nickel metallic powder and wolfram metallic powder; mixing; getting the product. This invention does not effects normal usage of important metal element, which can prolong normal durability of special metallic element of sewer facilities and anoxic acid environment.

The invention discloses a waxberry picker. The waxberry picker comprises a main cylinder and a protection plate, wherein the protection plate is fixedly arranged on the outer side of the main cylinder, and an adjusting mechanism convenient for adjusting is fixedly arranged on one side of the main cylinder; a handle is fixedly arranged at one end of the protection plate, and one side of the protection plate is fixedly connected with the main cylinder; a storage mechanism convenient for storage is fixedly arranged at the end, far away from the handle, of the main cylinder, and a cutting mechanism convenient for cutting is fixedly arranged on one side of the storage mechanism; and the adjusting mechanism comprises a rack, a driving gear, a transmission gear, a first gear set, a second gear set, a transmission belt, a rotating rod, a rotating column and an inner rod, and a mounting groove is formed in one side of main cylinder. The waxberry picker is simple in structure and convenient to operate, the use length of the equipment can be increased conveniently through mutual cooperation of the rack and the gear sets, the equipment can cut waxberries more conveniently through mutual cooperation of a cutter and a holding rod, and the equipment is high in practicability.

The invention discloses an automobile shock absorber protection device. The device comprises a first installation plate, a second installation plate and a third installation plate, a first supporting rod is arranged on the first installation plate, a top plate is arranged at the top end of the first supporting rod, a first rotating ring is installed at the upper side of the top plate, a first air bag is arranged in the first rotating ring, a clamping pipe is arranged above the first rotating ring, and a third air bag and a second air bag are arranged above and below the clamping pipe. A first air pump is arranged on the lower surface of the second installation plate, first guide pipes are arranged between the first air pump and the second air bag and between the first air pump and the third air bag, a second supporting rod is arranged on the third installation plate, a fixing plate is arranged at the top end of the second supporting rod, a motor is arranged on the lower surface of the fixing plate, a rotating shaft is arranged at the upper side of the motor, a second rotating ring is arranged on the surface of the rotating shaft, a belt is arranged between the second rotating ring and the first rotating ring, a second sliding pipe is arranged at the top end of the rotating shaft, and a second air pump is arranged at the right side of the second sliding pipe. A second guide pipe is arranged between the second air pump and the first air bag, a spiral spring is arranged at the upper end of the second sliding pipe, a sliding rod is arranged in the spiral spring, the spiral spring is provided with a first sliding pipe, a lantern ring is arranged outside the first sliding pipe, screws are arranged on the two side walls of the lantern ring, clamping plates are arranged in the screws, and the screws are sleeved with nuts.

The invention relates to the technical field of MC4 photovoltaic connectors, and discloses a portable MC4 photovoltaic connector separating device, which solves the problems that the MC4 photovoltaic connector is easily influenced by dust when exposed in the external environment, and the service life of the MC4 photovoltaic connector is influenced by heat generated during working, and comprises an MC connector body, the two ends of the MC connector body are provided with connecting ends, the MC connector body is sleeved with a first protective sleeve and a second protective sleeve, the first protective sleeve is located above the second protective sleeve, the two sides of the first protective sleeve and the two sides of the second protective sleeve are each provided with a first through opening, the connecting ends penetrate through the first through openings, and lantern rings are installed at the inner top ends of the first through openings. Through the design of the distance adjusting mechanism, the first clamping rod and the clamping mechanism, clamping of the connecting end and the MC connector body is achieved conveniently, then the installation stability of the MC connector body is improved, and protection of the MC connector body is effectively achieved.

The invention relates to an 'AC-AC (alternating current) regulation and control' based numerical-control HID (high intensity discharge) driving method and a driver applying the same. The numerical-control HID driving method is implemented by direct AC-to-AC power switching. In the numerical-control HID driving method, an embedded controller and an 'AC-AC regulation and control' driving module are used as the core which is connected with various circuits, input sinusoidal AC is subjected to AC modulation directly, a constant-power sinusoidal AC power source meeting requirements for numerical-control HID driving is output, and various lighting functions and control protecting functions under the numerical-control HID driving are realized. The driver is a circuit device applying the numerical-control HID driving method, and a circuit of the driver comprises an EMI (electromagnetic interference) and input filter circuit 2, an AC sinusoidal output filter circuit 4, a current and voltage sampling feedback circuit 5, a high-voltage trigger driving module 6, a communication control interface circuit 7, an HID bulb 8 and an input AC power source 9. The driver is characterized by further comprising the embedded controller 1 and the AC-AC regulation and control driving module 3.

The embodiment of the invention discloses a spraying device for environment-friendly machining in the technical field of machining. The spraying device comprises a base, a cover seat is arranged abovethe base, the cover seat and the base are fixed through a mounting bracket, a first push rod motor is fixed to the upper surface of the cover seat, the power output ends of the first push rod motor is connected with side cover plates through push rods, one side of the bottom of each side cover plate makes contact with the upper surface of the base, a spray gun capable of being adjusted in the height direction of the side cover plate is installed on each side cover plate, and a workbench is arranged in the middle of the upper surface of the base. According to the spraying device for environment-friendly machining, through cooperation of the retractable side cover plates, the base and the cover base, sealing treatment can be conveniently carried out on a to-be-sprayed mechanical component,pollution of spraying paint to the surrounding environment is reduced, and when the side cover plates are opened, a bin door can be formed by the gap between the side cover plates, so that the mechanical component is conveniently placed in the bin door.

The invention discloses a lithium battery heat dissipation and heat preservation system and belongs to the technical field of lithium battery heat dissipation and heat preservation. Electronic refrigeration chips are fixedly arranged on the side walls of the opposite sides of two sets of fixing frames; condensation sheets are uniformly and fixedly assembled between the two groups of electronic refrigeration chips; a single-chip microcomputer controller is fixedly arranged on the right side of the top of the inner cavity of a box body; heat conduction through holes matched with heat dissipationthrough holes are formed in the right side wall of a radiator; a heat conduction plate is fixedly assembled between two groups of mounting plates; a heat dissipation fan is fixedly assembled on the inner side of a heat dissipation channel; filtering cotton nets are fixedly assembled on the inner side and outer side of the heat dissipation channel; a heat preservation device matched with the heatdissipation through holes is fixedly assembled at the bottom of the left side wall of the inner cavity of the box body; heat in the box body can be absorbed in various modes, so that heat dissipationefficiency is improved; and a heat preservation effect on a battery body can be achieved, the battery body can be protected conveniently, and the service life of the battery body is prolonged.

The invention relates to a quick connection device suitable for heavy-duty rotary joints, comprising: a main shaft, the main shaft comprises a conical end part and a cylindrical body part, the body part is provided with a first thread; a main shaft guide seat, The main shaft guide seat is provided with a second thread, and the second thread is matched and connected with the first thread on the main shaft body; an expansion mechanism, the expansion mechanism includes: a shaft cylinder, and the inner surface of the shaft cylinder is a cone shape, which can be matched with the end of the main shaft; the barrel wall of the shaft barrel is provided with a plurality of grooves penetrating the barrel wall, and the expansion key includes a key body and a support part arranged on both sides of the key body, The surface of the key body close to the center of the shaft barrel is tapered; the expansion key is arranged in a groove on the wall of the shaft barrel, and the support part is arranged in the middle of the groove; a bearing, the bearing It is sleeved on the outside of the shaft barrel and the expansion key; the expansion structure shell is sleeved on the outside of the bearing.

The invention discloses a zirconia ceramic acne needle and a preparation method thereof, and relates to the technical field of acne needle preparation. The zirconia ceramic acne needle comprises a fixed shell, a needle head sleeve shell is arranged at the bottom of the fixed shell, the bottom of the fixed shell is communicated with the needle head sleeve shell, an acne needle body is movably installed in the fixed shell, and a connecting sleeve is arranged at the lower end of the fixed shell through threads. According to the zirconia ceramic acne needle and the preparation method thereof, theprepared acne needle body is made of zirconia ceramic, does not contain metal, does not rust and reduces the risk of tetanus, meanwhile, the zirconia ceramic is good in compactness, after surface mirror polishing, no air hole exists, dirt is not prone to being hidden, and therefore the bacterial infection probability is reduced; the needle head sleeve shell is adopted, so that the acne needle bodycan be conveniently clamped in the needle head sleeve shell and the fixed shell, mounting and dismounting of the acne needle body can be conveniently achieved, the acne needle body can be conveniently replaced, and protection of the acne needle body is achieved through cooperative use of the needle head sleeve shell.

The invention discloses a safety shoe compression-resistant and piercing-resistant performance inspection device. A main oil cylinder is installed on a machine base through a two-dimensional motion platform, a main piston is installed in the main oil cylinder, a lower module is installed on a workbench, and an upper module is installed on the lower module. The bottom of a left guide column and the bottom of a right guide column are both installed on the machine base, a left guide sleeve is installed in an installing hole in the upper left side of a pressure head, a left locknut is installed at the top end of the left guide column, a right guide sleeve is installed in an installing hole in the upper right side of the pressure head, and the upper end of the right guide column is installed in an installing hole in the right side of a cross beam. A right locknut is installed at the top end of the right guide column, a lifting oil cylinder is installed on the bottom face of the cross beam, a lifting piston is installed in the lifting oil cylinder, and a lifting oil cylinder cover is installed on the bottom face of the lifting oil cylinder. The pressure head is installed on the bottom face of the lifting piston through a screw, a barbed nail is installed in the installing hole in the bottom of the pressure head. The structure is simple, detection of compression-resistant and piercing-resistant performance of safety shoes is achieved through hydraulic drive, lifting drive is stable, and automatic control work is easily achieved.

The invention relates to a cascaded battery management system. The cascaded battery management system comprises a cascaded signal acquisition balanced protection circuit, a voltage and temperature processing circuit, a current acquisition circuit and a data processing and communication circuit, wherein the cascaded signal acquisition balanced protection circuit is used for respectively acquiring a voltage signal of each battery of a battery pack to the voltage and temperature processing circuit, the data processing and communication circuit is used for respectively acquiring a voltage / temperature signal, processed by the voltage and temperature processing circuit, of each monomer battery and current information, acquired by the current acquisition circuit, of a battery loop during charging and discharging so as to achieve charge state estimation of the battery, voltage balance of each monomer battery and protection on overtempeature, low temperature, undervoltage, overvoltage, overcharging, over-discharging and the like, and meanwhile, the battery information is interacted with a vehicle-mounted center control system through the data processing and communication circuit.

The invention discloses an anti-corrosion and anti-bacterial paint additive, which is mainly used for anti-corrosion in certain metal parts requiring anti-corrosion treatment in sewer facilities of apartments, river banks, mines, municipal engineering, etc., or in anoxic acidic environments. It is mainly composed of zeolite powder, nickel metal powder and tungsten metal powder. The present invention does not affect the normal use of some particularly important metal parts in sewer facilities or anoxic and acidic environments, and can conveniently protect some particularly important metal parts in sewer facilities or anoxic and acidic environments under current conditions. Reduce construction cost. By coating paints containing this additive, the normal service life of some particularly important metal parts in sewer facilities or anaerobic acidic environments can be extended and maintenance costs can be reduced.