79results about How to "Avoid fragile situations" patented technology

The invention discloses a handle anti-loosening mechanism, which is easy to operate, long in service life and reliable in secondary locking, and a handle-type high-voltage connector using the handle anti-loosening mechanism. The handle anti-loosening mechanism comprises a main body slide groove arranged on a high-voltage connector main body in an integrated manner; a locking block detachably and slidably arranged in the main body slide groove to limit or allow a handle of the high-voltage connector to rotate with respect to the high-voltage connector main body; and a locking press block detachably arranged on a connecting rod portion of the handle, wherein the locking block has a buckle position for buckling with the main body slide groove, and the locking press block has an abutting portion abutted against the buckle position to allow the locking block to slide in the main body slide groove.

The invention discloses a fish ovarian tissue paraffin section making method which includes the steps of material sampling, tissue fixation, dehydration and transparency, waxing, embedding, slicing, pasting and baking, dewaxing, rehydration, cell nucleus dyeing, cytoplasm dyeing, dehydration, transparency, sealing and the like. Compared with an existing paraffin section making method, the making method has the advantages that fish ovarian tissue paraffin preparation and fixation effects are greatly improved, the dyeing effect of fish ovarian tissue paraffin sections in series is improved, dehydration and transparency effects are perfected, completeness and definition of fish ovarian tissue structures under the microscope are greatly enhanced, and a plurality of problems of a fish ovarian tissue paraffin section making process in the prior art are solved. Supporting conditions are provided for research of applications in the fields of pathomorphism, immunology, cell in-situ nucleic acidhybridization and morphometry, and further fish ovarian related research from gene and protein level.

The embodiment of the invention discloses a camera control method and a terminal, which relates to the technical field of communication, in order to solve the problem that the camera can not work normally because the area of the FPC contraction is damaged due to the repeated expansion and contraction of the FPC in the existing terminal. The camera control method is applied to a terminal includinga camera. The method comprises the following steps: when receiving a first input to the camera, determining a target driving parameter, wherein the target driving parameter is a driving parameter corresponding to a target switching period; and driving the camera to protrude according to the target driving parameter,wherein different switching cycles correspond to different maximum protruding strokes, and the maximum protruding stroke is the maximum distance protruded by the camera according to the driving parameters corresponding to different switching cycles. The method may be applied to a terminal including a camera.

The invention relates to a digital underwater acoustic transducer unit. Two end faces of an outer wall are provided with a sealing film each; each piston radiation surface is fixed to an inner side surface of the corresponding sealing film; the piston radiation surfaces are fixed to the outer wall via elastic members; the two piston radiation surfaces are connected and fixed via a connection rod;a permanent magnet is fixed to the inner side surface of each piston radiation surface; the surfaces, in contact with the piston radiation surfaces, of the permanent magnets have the same polarity; aniron core is provided with a through hole in the middle; the connection rod penetrates the through hole; a coil is wound around the outer side surface of the iron core; an electromagnet is fixed to the outer wall via a fixing connector; end faces of the iron core are corresponding to the positions of the permanent magnets; the transducer unit is filled with oil liquid. The invention also providesa digital low frequency broadband underwater acoustic transducer array and device and a control method. The digital underwater acoustic transducer unit, array and device have the advantages of smallsize, low weight and low power consumption and can realize underwater low frequency large power radiation.

The invention discloses a sintering clamp and a sintering method for multiple tube cores of a semiconductor laser in an independent pressure-applying manner. The sintering clamp comprises a base, fixed blocks, baffle sheets and pressing blocks, wherein the longitudinal section of the base adopts a trapezoidal structure; the fixed blocks are fixed on the slope surface of the base through screw threads or welding; more than two grooves are formed in the fixed blocks; each groove is in contact with the slope surface of the base, and a clamping groove is formed in each groove; the baffle sheets are adapted in the grooves along the slope surface of the base, and are fixed through the clamping grooves; and each groove is corresponding to one pressing block. The sintering clamp is simple in structure, convenient to operate, low in cost, capable of sintering under nitrogen atmosphere protection, and capable of preventing soldering flux from being oxidized in high-temperature sintering; a mode of pressure applying through gravity is adopted, so that the condition of damage to the clamp caused by a spring or an elastic sheet is avoided; in addition, the each tube core can be applied with pressure independently in a batch manner; the tube cores are not affected each other; and therefore, the rapid and batch sintering for the tube cores and heat sinks of the semiconductor laser in the independent pressure-applying manner can be realized, and high production efficiency is achieved as well.

A circuit breaker including nozzles, the active side first connected member, the active side second connector, insulating connector, Arc extinguishing chamber mounting bracket, An insulate tie rod anda mounting bracket are arranged on that arc extinguishing chamber, and a protective plate for isolating the insulating section of the insulating tie rod from the cavity in the arc extinguishing chamber, At both end of that insulating connector are connected with the active side first connector and the active side second connector respectively, The insulating connector is provided with a through-hole cavity for mounting the nozzle, the nozzle and the insulating connector are fixed coaxially through the first connector on the active side and the second connector on the active side, and the endof the protective plate is slidably matched with the side wall of the insulating tie rod. The service life of the circuit breaker provided by the present application is prolonged.

The invention discloses a traffic monitoring platform and a traffic monitoring system, and belongs to the technical field of traffic monitoring. The traffic monitoring platform comprises a connectingplate, an information acquisition snapshot device and a traffic ground processing center. A support frame group is connected to the inner wall of the connecting plate; the support frame group comprises a first motor; the first motor is connected to the inner wall of the connecting plate; the output end of the first motor is connected with a fixing block. The outer wall of the fixing block is connected with a supporting rod; the supporting rod is connected with a first driving mechanism, the output end of the first driving mechanism is connected with a first supporting plate, the top wall of the first supporting plate is slidably connected with a second supporting plate, the information acquisition snapshot device is connected to the top wall of the second supporting plate, and a second driving mechanism is connected between the first supporting plate and the second supporting plate. According to the invention, traffic conditions can be comprehensively collected, the traffic managementefficiency is improved, parts are simple and durable, and the situation that the system is easy to damage when being used outdoors is avoided.

The present application discloses a circuit board module, an electronic device, a display screen device and an assembly method thereof. The circuit board module comprises a substrate; an integrated circuit disposed on the substrate; a first flexible circuit board having one end lapped on the substrate; and a second flexible circuit board having one end lapped on the substrate. Therefore, it is possible to avoid a situation that the flexible circuit boards are liable to damage in a direct bonding process of the integrated circuit and the flexible circuit boards, so that the overall product yield is improved.

The invention provides more-durable intelligent wind power generation equipment. The more-durable intelligent wind power generation equipment comprises a mounting frame and a shell of the wind power generation equipment; the shell is fixedly mounted on the top of the mounting frame, a first through hole is formed in the middle of the right end face of the shell, a main shaft is mounted in the first through hole through a bearing, the left end of the main shaft is in bearing movable connection with the left side wall in the shell, and a plurality of fan blades are fixedly mounted at the periphery of the right end of the main shaft; an auxiliary shaft arranged in the shell, located on the upper portion of the main shaft and is parallel to the main shaft; and the left end and the right end ofthe auxiliary shaft are in bearing movable connection with the inner wall of the shell. The more-durable intelligent wind power generation equipment is internally provided with a plurality of power generators, the number of the power generators entering into power generation work under the situation of different wind speeds can be controlled intelligently and automatically, balance of the different wind speeds and the number of the power generators entering into the work state is achieved, the power generation efficiency of the wind power generation equipment is further improved, the structure is simple, the manufacturing cost is low, and the intelligent wind power generation equipment is more durable relative to traditional wind power generation equipment and is not prone to being damaged.

The invention provides a charging and discharging controller and device. The charging and discharging controller is provided with a charging circuit unit, an under-voltage protection circuit unit and a discharging circuit unit, wherein the under-voltage protection circuit unit is used for monitoring the voltage of a storage battery, when the voltage is lower than a first threshold value, a low level is output to the discharging circuit unit, the discharging circuit unit is forbidden to output the voltage, and when the voltage is higher than a second threshold value, a high level is output to the discharging circuit unit, and the discharging circuit unit is enabled to output the voltage. When the output voltage of the storage battery is under-voltage, low-voltage power supply can be stopped in time, the load is protected, harm caused by low-voltage power supply is avoided, meanwhile, the requirement for peak power of the load can be guaranteed, reliability is improved, and the situation that the load and the battery are prone to damage due to the fact that the output voltage changes along with the voltage change of the storage battery is avoided.

The present invention relates to a basic unit for mild moxibustioner which is simple in manufacturing technics and has no fault anxious and a mild moxibustioner for warm and heat therapeutic device including it. The basic unit includes: a body part disposed with components and including a bottom plate; a warm and heat supply plate disposed on the bottom plate for generating heat by external electricity energy; a heat moxibustion structure having a bottom expansion part, the round bottom of the bottom expansion part is disposed on the top of the heat supply part, the outer diameter of the bottom is larger than the outer diameter of the body part, the warm and heat moxibustion structure can receive the high temperature heat generated by the heat supply plate through the bottom and transfer the heat to the user's body by the body part; a cover body part combined with the body part to form a support hole, the support hole is disposed with the warm and heat moxibustion structure, and supports and fixing the warm and heat moxibustion structure. The invention also provides multiple mild moxibustioner for the fixing type warm and heat therapeutic device or bending type warm and heat therapeutic devices including the basic unit for the mild moxibustioner. The invention can shorten the manufacturing technics and eliminate the worry that fault might appear during use.

The invention provides a semiconductor packaging method. The method comprises the steps of forming a metal piece on a substrate, wherein the metal piece is located right above the substrate; carryingout plastic packaging on the metal piece to form a carrier plate; and stripping the substrate to expose the front surface of the metal piece and the first surface of the carrier plate. According to the invention, the metal piece is formed on the substrate, plastic packaging is carried out on the metal piece to form the carrier plate, that is, the carrier plate is formed in a plastic packaging mode, the carrier plate thickness needing to be reserved in the punching process and the like during generation of the metal piece is avoided, the overall thickness of the carrier plate is effectively reduced, the strength of the carrier plate is enhanced, the situation that a chip is prone to breakage when being stressed is avoided, and thus the success rate of later packaging and the yield of products are guaranteed.

The invention provides a method for forming a copper conductor. The method comprises the following steps: providing a substrate layer; forming an opening in the first surface of the substrate layer; forming a copper seed layer on the surface of the opening; heating the copper seed layer from the first surface of the base layer, so that the copper seed layer is agglomerated in the opening to form the copper wire, the situation that the substrate bending amount is large due to the fact that the temperature of the substrate rises too fast when the copper seed layer is heated can be avoided, and the situation that the substrate is prone to fragmentation subsequently is avoided; and thus, the productivity efficiency and the process stability in the copper wire forming process are improved.

The invention relates to the technical field of software technology development equipment, and discloses a fixing device for a notebook computer computer cooling rack for software technology development. The fixing device comprises a body, wherein the interior of the body is movably connected with a clamping mechanism for clamping and fixing a notebook computer, the clamping mechanism comprises a curved bar, and the outside of the curved bar is movably connected with a transmission assembly for transmitting power to the curved bar. A screw rod rotates to drive a moving block to move, the moving block moves to drive a connecting rod to move, so that a disc can be driven to rotate to drive the curved bar to rotate, under the interaction of an elastic rope and a first spring, the curved bar rotates to a certain angle and then drives a fixed block to move, and therefore the fixed block can be matched with the curved bar to stably clamp notebook computers of different specifications, the situation that the notebook computers are not fixed in the cooling process on the cooling rack and are prone to damage is avoided, and the safety of the notebook computers in the cooling process is greatly improved.

The invention relates to the technical field of rail traffic control, in particular to an energy absorption method for a rail vehicle. The method comprises the following steps: obtaining the power supply information of a train during the braking of the train, wherein the power supply information comprises direct current power supply and alternating current power supply; according to the power supply information, connecting an energy absorption device to a direct current bus for the direct current power supply or two output ends of a three-phase-to-single-phase transformer for the alternating current power supply; and when the power supply information is the alternating current power supply, connecting a step-down rectification assembly between one output end of the three-phase-to-single-phase transformer and the energy absorption device. The energy absorption device comprises a positive electrode end and a negative electrode end which are electrically connected to two ends of the direct current bus or two output ends of the three-phase-to-single-phase transformer, and a switch cabinet, a filtering cabinet, a chopping cabinet and an energy absorption resistor which are located between the positive electrode end and the negative electrode end and are electrically connected in sequence. According to the invention, the energy of train braking can be fully absorbed, and the temperature rise in the station and the hole is avoided while the stability of the power grid voltage is maintained.

The invention belongs to the technical field of engines, and discloses an EGR valve and a waste gas recirculation system. The EGR valve comprises a valve body, an air outlet pipe arranged on the outerwall of the valve body, a main valve base arranged at one end of the valve body, a main valve block, an auxiliary valve block and a driving assembly, wherein the main valve block, the auxiliary valveblock and the driving assembly are arranged inside the main valve base. The valve body is divided by the auxiliary valve block into a first work cavity and a second work cavity, the first work cavitycommunicates with the main valve base, the second work cavity is formed between the auxiliary valve block and the main valve block, the output end of the driving assembly is connected with the main valve block and the auxiliary valve block, and the driving assembly can drive the main valve block to move relative to the main valve base so as to control start and stop of waste gas feeding. Since anauxiliary valve assembly arranged on the valve body in a sealed mode communicates with the main valve base, waste gas can also directly enter the auxiliary valve assembly. According to the communicator principle, the pressure applied by waste gas to the main valve block and the auxiliary valve assembly is the same in intensity and opposite in direction, and therefore waste gas pressure counteracting can be achieved. By adopting the way, influences of pulse exhaust on the main valve block in the start process are reduced, and the control respond speed is high.

The invention discloses a vertical impact type double-nozzle overall assembly machine and relates to the technical field of water conservation power generation. The vertical impact type double-nozzleoverall assembly machine comprises a tail water pipe, a power generator, a set of water inlet pipes and a pressure pipe. The pressure pipe is composed of a first pipeline and a second pipeline, and afiltering assembly is arranged between the first pipeline and the second pipeline and communicates with the first pipeline and the second pipeline. The filtering assembly comprises a positioning pipe,a filtering pipe and a telescopic pipe. One end face of the positioning pipe is fixedly connected with one end face of the first pipeline through a flange plate and a bolt, the positioning pipe is located in the first pipeline, and an outer threaded sleeve is fixed to one surface of the flange plate of the positioning pipe. The outer diameter of the filtering pipe is the same with the inner diameter of the positioning pipe, and a positioning ring is fixed to one end of the filtering pipe. By means of the vertical impact type double-nozzle overall assembly machine, the pressure pipe is dividedinto the first pipeline and the second pipeline and the filtering assembly is installed between the first pipeline and the second pipeline, so that the problem that an existing double-nozzle overallassembly machine is not provided with a filtering assembly, consequently water inlet pipes are blocked and an impeller is impacted by impurities and is likely to be damaged is solved.

The invention discloses a support arm component of a suspension curtain wall. The support arm component comprises a steel truss and a steel support arm, wherein stay cables are connected between a truss beam at the upper end of the steel truss and steel truss sheets at the lower end of the steel truss; the curtain wall is arranged on the outer sides of the stay cables; a matched structural columnis arranged on the steel truss; a plurality of steel plates are uniformly arranged in the structural column; the steel plates at one side of the structural column are connected with the steel supportarm through lug plates; in addition, the lug plates are connected with the steel truss sheets on the steel truss and movably connected with the steel support arm through pin shafts; spaces among the curtain walls which are in the vertical direction on the same side form grooves; pull rod fixing ends are arranged in the grooves; the left end and right end of the pull rod fixing end on the left sideare respectively connected with a pull rod and an inner wire sleeve; the inner wire sleeve is arranged on the steel truss; and the steel support arm is connected with a suspension piece matched withthe pull rod.

The invention relates to the technical field of switches, and discloses a switching auxiliary device convenient to detach. The switching auxiliary device comprises a timing switch body. An adsorptiondevice is arranged on the rear portion of the timing switch body, and a switching device is arranged on one side of the timing switch body. The switching device comprises a base, and a motor is arranged on the upper portion of the base. Connecting rods both comprise an adjusting rod and an adjusting barrel, and a rotatable rotating barrel is arranged between the base and the motor. A buffer deviceis arranged on the top of the output end of the motor. A basic base assembly comprises multiple coaxial basic bases, and the basic bases are connected in a threaded mode. The structure is simple, thecost is reduced, and the switching auxiliary device can be used for controlling multiple electric appliances to be switched on or off and is convenient to use. The distances between the switching device and switches needing to be controlled can be changed by increasing or decreasing the number of the basic bases, therefore, adjustment is convenient, and the adjusting range is widened; the basic bases are connected in the threaded mode, therefore, the basic bases and the buffer device can be conveniently replaced, the motor is prevented from being replaced, and the cost is reduced.

The invention discloses an electric actuator used for a thermoelectric transmission system. The electric actuator comprises an electric actuator shell and a material conveying pipeline, a first protective outer shell and a second protective outer shell are arranged at the upper end of the electric actuator shell, the first protective outer shell is fixedly connected with the upper end of the electric actuator shell through a fixing assembly, one end of the material conveying pipeline is detachably connected with a connector of the electric actuator, the material conveying pipeline communicateswith the interior of the connector of the electric actuator, and a first arc-shaped clamping plate and a second arc-shaped clamping plate are arranged on the outer wall of the connector of the electric actuator. When the electric actuator is used, a quick connecting and sealing structure is arranged at one end of the material conveying pipeline, so that the material conveying pipeline is connected with the connector of the electric actuator very conveniently, the protective outer shells and the arc-shaped clamping plates are arranged outside the connector of the electric actuator and used forprotecting the electric actuator, the electric actuator is very convenient to use, and the service life of the electric actuator is prolonged to a certain degree.