96results about How to "Avoid ups and downs" patented technology

In the rectangular-wave voltage control mode, torque feedback control, in which the voltage phase (phiv) of the rectangular-wave voltage is adjusted based on the deviation of the torque estimated value (Trq) from the torque command value (Trqcom), is performed. A torque estimation portion (420) calculates the torque estimated value (Trq) using the motor currents (Id, Iq) calculated based on the values detected by a current sensor (24) and a rotational position sensor (25), as in the case of the PWM control mode. Namely, the same state quantity (quantity detected by the sensors) of the alternating-current motor (M1) is used in the motor control in both the rectangular-wave voltage control mode and the PWM control mode.

A full-body safety harness that is to be worn by a user, especially a user in a hostile environment. Which such full-body safety harness comprises a torso surrounding portion with a D-ring for attaching a life line, two vertical shoulder straps, four straps that affixes to a pair of pants, and two leg supporting straps that clip around the legs. All portions of this safety harness extend over a portion of a person's body to retain the person within the full-body safety harness. The straps of this full-body safety harness are fabricated from a flexible material having an elastic extension in the range of 10%-25% under a tension load of approximately 100 newton's. This percentage of stretch of this full-body safety harness is controlled by additional static material that is stitched onto the straps in a controlled loop pattern.

The invention relates to a low-scattering carrier both considering forward design and lateral design. The upper surface of the low-scattering carrier is of a pyramid structure with two side surfaces,a front end point is respectively connected to a left end point and a right end point to form two side edges, and the front end point and the upper surface end point are connected to form a central edge; the central edge is longer than the side edges; a tail end point is respectively connected to the left end point and the right end point to form two side edge lines, and each side edge line is respectively connected to the bottom edge of the corresponding position of the upper surface through a transition arc surface I to form an upper side surface; each side edge line is respectively connected to the bottom edge of the corresponding position of the lower surface through a transition arc surface II to form a lower side surface; and the lower surface is a plane. According to the low-scattering carrier, the forward low-scattering design and the lateral low-scattering design of the carrier are considered, and the stealth performance of the components in different attention directions canbe obtained in the stealth target component test evaluation.

The invention belongs to the field of wall-climbing robots, in particular to a foot-type magnetic adsorption wall-climbing robot, which is composed of a carrying platform, a walking leg and an adsorption foot. Various actuators can be mounted on the carrier platform to perform various operations on the iron-based wall surface. Each walking leg comprises a two-degree-of-freedom series mechanism, aservo-electric cylinder and a ball hinge, wherein the end of each walking leg is connected and absorbed sufficiently. The suction foot adopts a screw nut mechanism to adjust the height of the permanent magnet and the wall surface so that the suction force can be adjusted. Robots can be thought of as combinations of 4-RRR Planar mechanisms and elevating mehcanisms. the movement of the two mechanisms is controlled to realize the omni-directional movement of the platform in the space. Robot can move straight, turn and adjust posture flexibly on the different curvature of the wall. The invention solves the shortcomings of unreliable adsorption and inflexible steering of the conventional magnetic adsorption wall climbing robot, and has the advantages of simple structure, strong load capacity, good obstacle-crossing ability, flexible movement and reliable adsorption.

The invention discloses a method for loading and unloading control over an air-cooled heat pump hot and cold water dispenser system and the air-cooled heat pump hot and cold water dispenser system. The method comprises the following steps: detecting a current environment temperature and obtaining a curve of capacity output percentage variation of the air-cooled heat pump hot and cold water dispenser system with temperature during loading and unloading according to the current environment temperature and a set temperature; detecting an outlet water temperature or a return water temperature in real time; obtaining the capacity output percentage of the air-cooled heat pump hot and cold water dispenser system during loading and unloading according to the outlet water temperature / return water temperature and the curve of capacity output percentage variation of the air-cooled heat pump hot and cold water dispenser system with temperature during loading and unloading and obtaining the number of started compressors according to the capacity output percentage; and performing loading and unloading control over the air-cooled heat pump hot and cold water dispenser system according to the number of the started compressors. According to the method, the outlet water temperature can be controlled continuously and accurately, and the problem that the use experience is affected due to excessive outlet water temperature variation caused by loading and unloading delay is effectively solved.

The invention discloses a mild hypothermia therapy-endovascular heat exchange temperature adjustment control device. The device comprises three parts of an endovascular catheter system, an in vitro salt water circulating system and a heat exchange controller, wherein the endovascular catheter system is connected with the in vitro salt water circulating system through a pipeline to form a closed-loop salt water flow channel; a circulating water pump controls sterile salt water to flow in the closed-loop salt water flow channel, while a heat exchange coil is soaked in refrigerant, and the temperature of the refrigerant can be changed by heating refrigeration equipment, so that the temperature of the sterile salt water is adjusted; and the heat exchange controller consists of the heating refrigeration equipment, a temperature control system and a display operation unit which are connected through a circuit. The heat exchange controller can change the temperature of the salt water in the in vitro salt water circulating system, thus temperature controlled salt water is obtained in the endovascular catheter system; and therefore, the heat is exchanged with blood of a patient through the balloon surface of the catheter system, thus the purpose of core body temperature regulation for central nervous system high-risk patients or low body temperature patients is achieved.

The invention relates to the field of crude foil machines, in particular to copper foil production equipment capable of effectively improving the uniform density of a copper foil surface. The copper foil production equipment comprises a conveying frame and further comprises a discharging roller, a winding roller, a limiting assembly, a coating assembly for coating copper foil with electrolyte, anadjusting assembly for adjusting the surface density of the copper foil and a drying assembly for drying the electrolyte, the discharging roller and the winding roller are arranged at the front end and the tail end of the conveying frame, the limiting assembly, the coating assembly, the adjusting assembly and the drying assembly are arranged at the top of the conveying frame, and the limiting assembly, the coating assembly, the adjusting assembly and the drying assembly are sequentially arranged between the discharging roller and the winding roller in the length direction of the conveying frame; and the limiting assembly comprises two pressing rollers, and the two pressing rollers are symmetrically arranged at the upper end and the lower end of the copper foil in the height direction of arectangular frame. The copper foil production equipment solves the problem that the surface density of the copper foil is not uniform, the surface density uniformity of the copper foil is improved, and the production efficiency of the copper foil is improved.

The embodiment of the invention provides an OLED display panel and a fabrication method thereof and a display device, relates to the technical field of display, and aims to reduce the probability thata touch metal wire is broken. The OLED display panel comprises a display area and a non-display area which is located on the periphery of the display area. In the non-display area, at least one baffle group is arranged around the display area, and each baffle group comprises multiple rounds of baffles, wherein the heights of the baffles are in a stepped shape. The OLED display panel is used for displaying images.

The invention discloses a manufacture method for a lithium niobate electro-optic device thick film traverse electrode. The manufacture method comprises the following steps that: S1: plating a lithiumniobate substrate with proton exchange waveguide with a metal seed layer, and obtaining a metallized substrate, wherein the metal seed layer is divided into two layers, the lower layer is an adhesiveforce enhancement layer, and the upper layer is a gold layer of which the purity is not lower than 99.99%; S2: carrying out photoresist spin coating on the metallized substrate, and carrying out baking, exposure and developing to obtain a photoresist pattern similar to an electrode; S3: dipping the metallized substrate with the photoresist in gold electroplating liquid to be electroplated; S4: using photoresist removal liquid to remove the photoresist, and forming a raised electrode pattern; and S5: firstly, removing the gold layer of the metal seed layer, and then, removing an adhesion layerto finish the preparation of the thick film traverse electrode. By use of the manufacture method, the problem of overlarge thick film electrode stress is overcome, and the problem that a great quantity of noble metal is wasted is also solved.

The invention discloses a medicine for treating kidney stone and gall-stone, according to a calculus formation pathology and a pharmacological experiment formula, the medicine of the invention is prepared by arbutin, desmodium, lichee nucleus, longan nucleus, common fenugreek seed, gecko, pig iron cinder, gynostemma pentaphylla, plantago, Orthosiphon Stamineus, Caulis aristolochiae manshuriensis, bletilla rhizome, magnolia cortex and sweetleaf tea. The materials are natural-green, safe and reliable. A traditional Chinese medicine toxin expelling therapy is used. The medicine is capable of releasing spasm, relieving pain, smoothing skin, sterilizing, softening hardness and dissipating binds, soothing liver and resolving depression, clearing heat and dispersing stagnate, rectifying qi, disinhibiting urine and freeing strangury and benifiting openheartedness, the medicine can directly act on nidus, an organic matter is subjected to releasing, dissolving and biological enzymatic hydrolysis, can comprehensively permeated in a core of the calculus, the calculus can be cracked, melted and dissolved layer by layer from outer part to inner part, and the waste liquid is excreted through human excretion tissue, and the damaged cells can be activated, the gland can be balanced, the organ vitality can be enhanced, the acid-base value of blood can be balanced, the calculus recurrence can be prevented, and the simultaneous treatment of principal and subordinate symptoms effect can be acted.

The invention discloses a packaging box for porcelain handicrafts, which comprises a box body, a box cover is hinged on the top of the box body, and a first sponge block is connected to the top of the inner cavity of the box cover. Limiting grooves are set up, and sliders are connected in the two limiting grooves. The two sliders are connected through the stage. The top of the stage is connected with a second sponge block, and the top of the second sponge block is connected with a load Object seat, and both sides of the bottom of the stage are connected with the first screw rod, the bottom of the inner cavity of the box body is provided with a partition, the partition board is located between the two first screw rods, and the left and right sides of the box body are connected There are rotating shafts, and one end of the two rotating shafts is connected with a second screw rod. The invention achieves the effect of raising the stage and fixing the porcelain through the cooperation of the rotating shaft, the first screw rod, the second screw rod, the connecting column and the connecting hole, so as to avoid the fluctuation and jumping of the porcelain during the transportation process, and prevent the porcelain from being transported In the event of moderate damage, the safety is high.

The invention discloses a scavenging machine for a classroom. The scavenging machine comprises a placement board, a sliding chute, a storage battery, support legs, rolling wheels, a fixed column, a dust storage shell, a filtering net, an air suction pipe, a draught fan, a telescopic pipe, a dust suction head, a dust feeding cylinder, a dust feeding cavity, a linear motor, a fixed rod, a handle, anoutput rod, a fixed block, a first connecting plate, a first pawl, a first torsion spring, a second connecting plate, a second pawl, a second torsion spring, a ratchet wheel, a connecting rod, a scavenging hairbrush and an electric pushing rod. The scavenging machine is simple in structure and novel in design, dust on the ground inside the classroom is scavenged into the dust feeding cylinder through the scavenging hairbrush, so that the scavenged ground does not need to be repeatedly scavenged by virtue of the scavenging hairbrush, the ground in the classroom can be cleaned once, the fluctuation of the dust is avoided, the indoor environmental quality is guaranteed, the scavenging machine is convenient to use, and the scavenged dust can be collected and stored by virtue of the dust storage shell through the cooperation of the draught fan, an air suction pipe and the dust suction head.

The present invention provides an OFDM (Orthogonal Frequency Division Multiplexing) technology multi-frame synchronization method based on IEEE802.11 protocol, relates to the communication technology, and realizes the identification of the frame header and the frame tail of a baseband signal multiple burst frame of a receiving terminal. The method comprises: employing the baseband signal silent period of a receiver to complete rough synchronization frame header estimation; capturing the minimum frame length after the rough synchronization, and obtaining the fine synchronization frame header estimation according to the short training sequence sliding autocorrelation in the minimum frame length; obtaining the frame tail estimation according to the power mutability according to the silent period of the frame tail symbol prior to the next frame; and capturing the data repeat detection after the frame is end until all the burst frames included in the receiving signals are detected. The orthogonal frequency division multiplexing technology multi-frame synchronization method based on the IEEE802.11 protocol employs the features of the receiving signals themselves to complete the multiple burst frame synchronization of the receiver terminal to reduce the realization difficulty and the algorithm complexity and provide a simple and efficient solution scheme for the frame synchronization of the baseband signal multiple burst frames.

The invention discloses a self-lifting and dip angle-adjustable modular dispensing valve. The self-lifting and dip angle-adjustable modular dispensing valve includes a dispensing valve (1), a lifting air cylinder (2), a base (3) and a gripper (4). According to the self-lifting and dip angle-adjustable modular dispensing valve of the invention, a rolling rail is arranged at a side surface of the dispensing valve; the dispensing valve is connected with the left side surface of the base in a lifting manner through the rolling rail; the lifting air cylinder is fixed on the base; the lower end of the piston rod of the lifting air cylinder is fixedly connected with the upper surface of the rolling rail of the dispensing valve; and the gripper is fixed at the right side surface of the base. When the self-lifting dip and angle-adjustable modular dispensing valve is used, a connection shaft of the gripper is fixedly connected with a Z-axis slider of a numerical-control dripping machine, such that the dip angle of the dispensing valve can be adjusted through the gripper; when the self-lifting and dip angle-adjustable modular dispensing valve operates, the lifting air cylinder drives the dispensing valve to rise and descend as well as advance and retreat quickly; and therefore, the dispensing valve can have self-lifting and dip angle-adjustable functions.

The invention relates to an air volume adjusting method, device, system, equipment and a storage medium. The air volume adjusting method, device, system, equipment and the storage medium is applied tothe field of fresh air systems, the method comprises the following steps that an induction value of a sensor is acquired, the sensor is used for sensing the air supply air volume of the air supply unit of the fresh air system; the current air supply air volume of the fresh air system is determined according to the sensing value; when it is determined that the current air supply air volume needs to be corrected, the rotating speed of the motor needed for correcting is determined, and the rotating speed of the motor is used as a target rotating speed; and the working voltage of the motor neededby the target rotating speed is acquired, and the target voltage is used as a target voltage; and the working voltage of the motor is adjusted by adopting the target voltage. According to the air volume adjusting method, device, system, equipment and the storage medium, the problem that the actual fresh air volume of an existing fresh air system deviates from the design target value is solved, sothat the purpose of adaptively adjusting the air supply air volume of the fresh air system is achieved.

The invention relates to an unmanned all-terrain vehicle control method based on preview. The unmanned all-terrain vehicle comprises a control system and an unmanned all-terrain vehicle wheel walking system, wherein the control system comprises a detection module for detecting the driving environment, an analysis module for analyzing the detection result, a preview module for making an optimum obstacle passing strategy according to the analysis result, and an execution module for execution according to the optimum strategy; the unmanned all-terrain vehicle wheel walking system comprises a steering mechanism for controlling the driving direction, a main vibration damping mechanism for buffering and damping the ground excitation, an auxiliary vibration damping mechanism for assisting buffering and damping of the ground excitation, and a walking mechanism for controlling the driving speed and direction; and the control method comprises the steps: detecting the driving environment, analyzing the detection result, making the obstacle passing strategy and performing execution according to the strategy. The unmanned all-terrain vehicle can make a strategy and preparation for passing an obstacle in advance, and can save the time, improve the efficiency and reduce vibration.

The invention provides a high-stability welding machine for photovoltaic panel production, and relates to the field of photovoltaic panel production equipment. The high-stability welding machine comprises a bottom plate, first electric telescoping rods are fixedly connected to the two sides of the top of the bottom plate, and a top plate is fixedly connected to the tops of the electric telescopingrods; and a movable groove is formed in the bottom of the top plate, a movable block is movably connected to the interior of the movable groove, a movable plate is fixedly connected to the bottom ofthe movable block, and an electric soldering iron is fixedly connected to the bottom of the movable plate. According to the high-stability welding machine for photovoltaic panel production, photovoltaic panels are welded after being clamped and flattened, the stability of the photovoltaic panels in the welding process is kept, shifting and fluctuations, caused by the external force effect, of thephotovoltaic panels are avoided, and therefore welding points are smooth, firm and straight; and it is guaranteed that positions of welding strips are accurate, so that electrical conductivity of thewelding strips is improved, a good connecting effect is achieved through the welding strips, the welding quality is improved, material damage and waste caused by poor welding are avoided, the machining efficiency is greatly improved, and the yield is greatly increased.

The invention relates to a rear longitudinal cutting mechanism of a bag making machine. The rear longitudinal cutting mechanism comprises an upper cutter device and a lower cutter device. The upper cutter device comprises an upper cutter rest and an upper cutter push device for driving an upper cutter to do lifting motion. The upper cutter rest structurally comprises a lifting cross rod used for mounting the upper cutter, and the two ends of the lifting cross rod are arranged on two opposite rack plates in a sliding mode. Brake devices are arranged on the rack plates. An elastic guide structure is arranged on the rack plate at one end of the lifting cross rod. The upper cutter push device comprises a push rod and a push connecting plate, and further comprises an auxiliary air cylinder, and the auxiliary air cylinder is hinged to a rack. The lower cutter device comprises a lower cutter rest on the rack, and a lower cutter is fixedly connected to the lower cutter rest. The lower cutter rest is connected with a rack cross plate through symmetric screw rods. The screw rods respectively and rotatably penetrate through the rack cross plate, one end of each screw rod is in screw joint with the lower cutter rest, and the other end of each screw rod is axially and fixedly connected with a first bevel gear. The rear longitudinal cutting mechanism is simple in structure, reasonable in design and compact in structure.

The invention discloses a power type high-current device mounting process. The process adopts a temperature track provided with a temperature rising region, a temperature stabilizing region and a temperature reducing region; the process comprises the following steps: (a) moving a device framework to the temperature rising region, and heating the device framework in the temperature rising region; (b) then moving the device framework to the temperature stabilizing region, and welding solder on a PAD region of the device framework through a spot welding manner; (c) finishing the solder on the PAD region of the device framework into square-structured solder that is matched with a chip size and has a certain height by using a pressing die in the temperature stabilizing region; (d) placing the chip in the PAD region of the device framework in the temperature stabilizing region to enable the metal and the solder on the back surface of the chip to be co-melted in a temperature environment to form alloy so as to obtain a semifinished product; and (e) moving the semifinished product to the temperature reducing region, and enabling the alloy between the chip and the device framework to be cured in the temperature reducing region. According to the power type high-current device mounting process, the processing quality and the reliability level of the product can be improved, the invalidation rate of clients can be reduced, and the service life of the power type high-current device can be improved.

The invention relates to compound amino acid injection. The compound amino acid injection is prepared from the following components in weight ratio: tyrosine, methionine, glutamic acid, phenylalanine, threonine, leucine, isoleucine, sodium alginate tech grade-chitosan complex of valine, water soluble beta-cyclodextrin derivative and the like. The compound amino acid injection has the advantages of reasonable formula, lasting effect, good human body absorption effect and good health care effect. Amino acid and other nutrient contents are reasonably matched, the effect is slowly taken under the action of a controlled-release agent, amino acid is slowly released in a human body, injection frequency can be reduced, concentration of the amino acid in vivo can be stabilized, amino acid content is prevented from being fluctuated in vivo, amino acid supplementing and absorbing effects are improved, a user can be vigorous, time for injecting massive injection is saved, and medicine stimulation is reduced. The compound amino acid injection makes up the defects of the existing amino acid injection and has good health care and rehabilitation effects.

A chain grate machine, especially the driver and tension unit of chain grate machine, is disclosed. Its drive wheel is arranged at the ordinary-temp feeding end of grate bed, so running in ordinary-temp region. Its tension unit using weight for vertical tension is arranged at the high-temp discharge end. Its advantages are high reliability, long service life and low cost.

The invention discloses an organic fertilizer processing apparatus with linkage-power anti-blocking function and quantity controlled crushing function, which relates to the technical field of fertilizer processing. The organic fertilizer processing apparatus with linkage-power anti-blocking function and quantity controlled crushing function comprises a base, wherein a transmission mechanism is fixedly mounted on a top of the base; joint swinging mechanisms are arranged on both sides of the top of the transmission mechanism; four fixed rods are symmetrically arranged between the two joint swinging mechanisms; and the four fixed rods are fixedly connected to the front and rear sides of the base respectively in groups of two. According to the organic fertilizer processing apparatus with linkage-power anti-blocking function and quantity controlled crushing function, by arranging the transmission mechanism, the manual anti-blocking mechanism and the screen plate can be driven to shake whilethe raw materials are crushed. Moreover, by arranging the manual anti-blocking mechanism, raw materials stacked on the screen net can be easily removed, and the problem that in the prior art, the discharge of a large number of fertilizer crushing apparatuses is blocked, is effectively solved.

The invention discloses a clamp. The clamp comprises a base, a disc cover and multiple clamping claws. The disc cover comprises a circle of disc cover side plate and a disc cover top plate. Multiple top plate guide grooves are formed in the disc cover top plate. Each clamping claw comprises a clamping claw sliding rail and a clamping claw pressure head. The top faces of the clamping claw sliding rails are located above the disc cover top plate, and the clamping claw pressure heads are mounted on the top faces of the clamping claw sliding rails through locking bolts. At least part of each clamping claw pressure head can stretch out of the corresponding clamping claw sliding rail by facing the center of the disc cover top plate. A transmission device used for driving the multiple clamping claw sliding rails to move synchronously is mounted in the disc cover. According to the clamp, self centering of a sample disc can be achieved, it is ensured that the sample disc is located at the center position of the disc cover plate, meanwhile, peripheral and axial fixing of the sample disc is achieved, loosening and up-and-down motion are avoided in the experiment process of the sample disc, and testing precision is improved.

The invention discloses a reactor for treating VOCs (Volatile Organic Chemicals) synergistically under catalysis of plasma. The reactor comprises a shell, wherein one side of the shell is provided with an air inlet; the other side of the shell is provided with an air outlet; the air inlet and the air outlet are arranged correspondingly; an upper part of the shell is provided with an insulator chamber; an air inlet channel is formed in the shell; the air inlet channel comprises two positive plates which are arranged vertically in parallel; a plurality of negative rods which are parallel are arranged vertically in the air inlet channel; upper ends of the negative rods are fixed in the insulator chamber; an air outlet channel is constructed by the positive plates and an inner wall of the shell; each positive plate comprises two mesh plates which are arranged in parallel; a catalyst is placed in a space between the two mesh plates. The insulator chamber is arranged on the upper part of the shell, so that a creepage distance can be prolonged, dirt such as floating dust is prevented from adhering to the surface of an insulator, and a formed path is broken down by voltages at two ends of the insulator; moreover, low-temperature plasma is generated by wire-plate corona discharging, so that the number of discharging space electrons or active free radicals and the distribution uniformity are increased and improved.

The invention discloses an electromagnetic adsorption type ultrasonic flaw detection robot, and relates to the technical field of intelligent ultrasonic flaw detection equipment. The robot comprises acarrying rack, a crawling mechanism and a pressing mechanism, the crawling mechanism comprises a plurality of mechanical legs hinged to the left side and the right side of the carrying rack, and thepressing mechanism comprises a plurality of vertically-arranged pressing modules fixedly connected to the interior of the carrying rack; each pressing module comprises rectangular grooves fixedly connected with the two ends of the pressing module, probe support fixing plates clamped in the rectangular grooves, probe supports fixedly connected with the lower surfaces of the probe support fixing plates, probes fixedly connected with the lower surfaces of the probe supports, and probe pushing devices controlling the probe support fixing plates to move up and down. Hinged shafts at the hinged positions of the mechanical legs and the carrying rack are vertically arranged. The operation process is simple and efficient, the stability of equipment is improved, and the problems of low manual flaw detection efficiency, high labor intensity and the like are effectively solved.

The invention relates to the field of automatic assembling, in particular to automatic assembly equipment for valves special for hot water pipes. The automatic assembly equipment comprises a rotary feeding assembly, a conveying assembly, a material pushing assembly, a downward pressing assembly, an assembling assembly, a material moving assembly and a material unloading assembly, wherein the rotary feeding assembly is used for rotatably conveying valve cores to rotating wheels; the conveying assembly is used for conveying the batch valve cores; the material pushing assembly is used for pushing the valve cores on the conveying assembly onto the rotary feeding assembly; the downward pressing assembly is used for firmly positioning the valve cores to the rotary feeding assembly when the valve cores and the rotating wheels are assembled; the assembling assembly is used for assembling the rotating wheels to the valve cores in a threaded mode; the material moving assembly is used for conveying the batch rotating wheels to the side of the assembling assembly, and the material moving direction of the material moving assembly is further perpendicular to the conveying direction of the conveying assembly; and the material unloading assembly is used for sending out the assembled valves integrally, and the material unloading assembly is arranged on the side, away from the material pushing assembly, of the rotary feeding assembly. By means of the automatic assembly equipment for the valves special for the hot water pipes, the problem that time and labor are wasted when the hot water pipe valves are assembled manually in the prior art is solved, the manual labor is reduced, and the hot water pipe valve assembling efficiency is improved.

The invention discloses a floating aquaculture feeding device which comprises a bearing plate. A floating box is embedded in the lower end of the bearing plate, a starting assembly is arranged in thefloating box, a balancing assembly is arranged in the floating box, one end of the balancing assembly is in transmission connection with one end of the starting assembly, a navigation starting assembly is fixedly installed at the lower end of the floating box, one end of the navigation starting assembly is in transmission and rotation connection with one end of the balancing assembly, and a storage box is fixedly installed at the upper end of the bearing plate. Through the arrangement of a material scattering mechanism, an auxiliary recycling mechanism, the starting assembly, the balancing assembly, the navigation starting assembly, a reverse flow preventing assembly and a wind energy assembly, navigation and feeding treatment of the whole device is achieved through driving of one motor, and the stability of the whole device is further improved; and the situation that accurate feeding cannot be achieved due to uncertain fluctuation in the feeding process of the device is avoided, and wind power resources can be utilized for garbage recycling and environment purification treatment of the aquaculture water area.

A lighting device includes a plurality of light sources, a light diffusion plate, a sheet-like optical member, and a partition. The light diffusion plate is arranged opposite the light sources. The light diffusion plate diffuses light from the light sources. The optical member is disposed between the light diffusion plate and the light sources. The optical member includes a transmitting part that transmits the light emitted from the light sources and a reflecting part that reflects the light emitted from the light sources. The partition is arranged between adjacent light sources. The optical member is held by a support portion that is integrally provided to the partition and protrudes from an end portion of the partition toward the light diffusion plate.

A tablet that hardly causes the fluctuation in the sheet resistance on a film substrate despite the small size of the tablet. The edge of one side of the film substrate requiring a notch for connector insertion are provided with other notches having the same depth as that of the notch for connector insertion, thereby notching most of the edge to the same depth.

The invention discloses a method for preparing a CT bulb tube rotor copper sleeve through combination of vacuum diffusion welding and vacuum brazing, comprising the following steps: S1, surface treatment: performing surface treatment on a carbon steel basal body and a plurality of copper conducting bars, and electroplating silver on the copper conducting bars; S2, vacuum diffusion welding: inserting the copper conducting bars into radial fixed grooves of the carbon steel basal body, and then putting the carbon steel basal body into vacuum power generation plasma equipment for vacuum diffusion welding; S3, vacuum brazing: performing vacuum brazing between the carbon steel basal body and a copper end ring after the copper conducting bars are fused by adding brazing filler metal at the temperature of 900-950 DEG C, and then obtaining a workpiece; S4, heat treatment: continuously placing the workpiece after the vacuum brazing in a vacuum brazing furnace for heat treatment; and S5, precision machining. The vacuum diffusion welding and the vacuum brazing are combined to prepare a rotor copper sleeve that meets high-temperature vacuum use environment of a CT bulb tube; and the special requirements of the CT bulb tube industry can be met.