16results about How to "Use less length" patented technology

The utility model belongs to the technical field of wires, and particularly relates to a high-temperature-resistant precision-grade compensation wire, which comprises a wire core and a coating layer on the outer side of the wire core, and the coating layer comprises an inner coating layer and an outer coating layer which are layered from inside to outside; the outer side head of the wire core is sleeved with an arc-shaped pad used for enhancing the external force resistance performance, the outer side of the arc-shaped pad is provided with longitudinally-protruding convex fillets in a segmented mode, the upper end and the lower end of the arc-shaped pad are each provided with a transversely-protruding positioning protrusion, and the convex fillets enable the outer side of the outer wrapping layer to protrude to form a limiting protrusion during extrusion operation. The limiting protrusion is used for installing a positioning ring belt after being stripped, and a steel wire pull rope is further arranged on the outer side of the wire core. According to the utility model, the steel wire pull rope 9 can be conveniently assembled in the coating mechanism so as to bear the external pulling acting force, so that the tensioning and other processing and use after the wire is laid are facilitated, the laying distance of the wire is shortened, the cost output is reduced, and the stability of transmission operation is improved at the same time.

A drainage frame used after neurosurgery comprises a movable base, a stand column is installed on the base, a telescopic column is arranged in the stand column, the section of the stand column and the section of the telescopic column are both rectangular, and the telescopic column can move in the vertical direction relative to the stand column and can be fixed at any position; an opening is formed in the side face of the stand column in the length direction, first clamping pieces are installed on any two side faces of the telescopic column, and the first clamping pieces extend to the outer side of the opening to be provided with an outer sleeve bottle; supporting columns are installed on the other two side faces of the telescopic column, second clamping pieces used for installing the outer sleeve bottle are arranged on the supporting columns in a sliding mode, and the second clamping pieces can be fixed at any position. The telescopic column capable of stretching out and drawing back is arranged, then the outer sleeve bottles are driven to move up and down, the main body of the drainage device can be adjusted in the height direction, and the two outer sleeve bottles capable of adjusting the horizontal position are arranged, so that the drainage bag can be driven to be adjusted in the horizontal direction.

This application relates to the field of battery technology, and more particularly to a battery management component and battery pack. The battery management component includes a battery management module, which comprises: a BDU component, the BDU component including a housing and a relay module, the relay module being located within the housing; and a BMS slave board assembly, located above the BDU component along the height direction of the battery pack. The BMS slave board assembly includes a BMS cover and a slave circuit board, the BMS cover being disposed on the housing, and a cavity being formed between the BMS cover and the housing, with the slave circuit board located within the cavity. This application is beneficial for improving the energy density of the battery pack.

The utility model relates to the technical field of irrigation area monitoring, in particular to a monitoring and early warning device applied to an irrigation area, which comprises a cross beam, a guide pipe is fixedly connected to the bottom of one end of the cross beam, a floating ring is slidably connected to the outer surface of the guide pipe, and an ejector rod is arranged at the top of the floating ring. A contact switch is fixedly installed at the position, corresponding to the ejector rod, of the bottom of the cross beam, and an alarm is fixedly installed at the top of the cross beam. The device has the advantages that the guide pipe is perpendicular to the water surface, the floating ring vertically ascends and descends when the water level ascends and descends, so that the ejector rod is driven to vertically ascend and descend, after the water level is too high, the ejector rod ascends to abut against the contact switch, the alarm is powered on to give out early warning, the guide pipe is not affected by the water flow speed, and therefore the early warning starting result of the alarm is accurate; when the water level is high, the length of the guide pipe located in the water is short, the resistance of the guide pipe in the water flow can be reduced, and therefore the possibility that the guide pipe is flushed to be bent by the water flow is reduced.

The utility model relates to the technical field of air conditioning equipment, in particular to a vertical air conditioner indoor unit and an air conditioner. The vertical air conditioner indoor unit comprises a water pan, a water inlet and a water outlet, a first mounting hole is formed in the side wall of the water tank; and the inlet end of the drainage pipe is connected with the drainage port, and the outlet end of the drainage pipe penetrates through the first mounting hole and extends into the water tank, so that the condensate water in the water pan is drained into the water tank. According to the utility model, cyclic utilization of condensate water is realized, and water resources are saved. And the number of times of actively adding water to the water tank by the user can be reduced, and the user experience is improved. Furthermore, the drainage pipe is firmly connected with the first mounting hole, the water leakage phenomenon at the outlet end of the drainage pipe is avoided, and the drainage pipe is not prone to falling off from the first mounting hole. In addition, the drain pipe further has the advantage of being convenient to assemble and replace.

The utility model relates to the technical field of sealing devices, in particular to a sealing device and a sensor for a vacuum furnace, and the sealing device is provided with a first sealing assembly and a second sealing element, through tight sealing between a first sealing piece and a first sealing cavity, the outer wall of a second connecting piece and a first pressing piece, tight sealing between a second sealing piece and the inner walls of a second sealing cavity and a third sealing cavity and tight sealing between a second sealing piece and the end portion, arranged in the third sealing cavity, of a fifth connecting piece, it is guaranteed that when a protection tube of the sensor is broken, the vacuum degree of a vacuum furnace is not distorted, and the service life of the sensor is prolonged. Therefore, a heating body and a product in the hearth of the vacuum furnace are prevented from being damaged or scrapped; and the whole sealing structure is simple, is locked and fixed through threads, and is convenient to install.

The utility model provides a laser emitting device and laser ablation equipment, and relates to the technical field of laser equipment. Wherein the laser emitting device comprises a laser emitting module, a laser conduction module and a conduit connector; the transmitting end of the laser transmitting module is connected with the conduit connector through the laser conduction module; the laser conduction module comprises an adjustable optical assembly and a light guide arm; the adjustable optical assembly is used for adjusting the spot size of the laser emitted from the laser emission module; the laser emission module, the adjustable optical assembly and the light guide arm are connected in sequence, or the laser emission module, the light guide arm and the adjustable optical assembly are connected in sequence; the conduit connector is used for connecting an optical fiber conduit; the light spot size is adjusted through the adjustable optical assembly, the laser transmission efficiency is improved, the light guide arm is used, the use length of the guide pipe is reduced, and the cost is reduced.

The utility model discloses a light photovoltaic assembly and photovoltaic power generation equipment, and relates to the technical field of photovoltaic assemblies. The light photovoltaic module comprises a battery piece, a flexible welding strip, a conductive plate and a bus bar; a plurality of battery pieces are sequentially arranged along a first direction; the plurality of battery pieces arranged along the first direction form a group, and a plurality of groups of battery pieces are arranged along the second direction; the flexible welding strip is in welding connection with the first electrodes of the battery pieces arranged in the first direction; the current-conducting plate is sequentially connected with the second electrodes of the battery pieces arranged along the first direction in a welding manner; the bus bars are provided with a plurality of sections, each section of bus bar is correspondingly arranged between two adjacent groups of battery pieces, and the bus bars are respectively connected with the adjacent flexible welding strips and the current-conducting plates in a welding manner; according to the light photovoltaic module provided by the utility model, the battery pieces are grouped and connected in parallel, and then each group of battery pieces are connected in series and boosted, so that the circuit connection stability of each battery piece can be effectively ensured, and the overall use reliability of the light photovoltaic module is improved.

The invention discloses a high-absorption large-mode-field ytterbium-doped multi-clad optical fiber, and relates to the technical field of optical fibers. The optical fiber comprises a doped core layer, a doped buffer layer, an inner cladding layer, a quartz cladding layer, an organic coating cladding layer and a protective layer which are sequentially arranged from inside to outside in a coating manner, ytterbium ions are doped in the doped core layer, and any one element of cerium and phosphorus is doped in the doped core layer. Ytterbium ions are doped in the doped buffer layer, and any one of cerium and phosphorus is doped in the doped buffer layer. According to the ytterbium ion doped fiber, a certain ytterbium ion doping concentration level can be guaranteed, cladding pumping absorption of the fiber core can be improved, the use length of the fiber can be effectively reduced, and the nonlinear effect of the fiber is reduced.

The utility model discloses a submarine cable laying dragging device, belongs to the field of cable equipment, and solves the problems that a conventional dragging device in the prior art is not firm in fixation, easy to loosen, long in damage distance and the like. In the application, the traction end comprises a U-shaped traction end head and a plate group I, the plate group I is positioned at one end of the traction end head and is fixed with the traction end head, the cable fixing end is annular, a through hole penetrating through the cable fixing end is formed in the middle of the cable fixing end, and the cable fixing end is fixed with the plate group I through a screw rod; the cable end penetrates through the through hole in the middle of the cable fixing end, and the armored steel wire layer of the cable end is fixed to the cable fixing end. According to the submarine cable laying and dragging device, the submarine cable can be fastened in the structure of the submarine cable laying and dragging device, and meanwhile, the steel wire armor layer can be independently fixed between the end cover and the pressing plate, so that the submarine cable laying and dragging device is fixed more firmly.

The utility model discloses a stator assembly, a motor, a power assembly and a vehicle. The stator assembly comprises a stator core and a stator winding. The stator winding comprises a three-phase winding wound on M stator slots of the stator core, each phase winding comprises at least one branch, the insertion parts of a plurality of flat wire hairpins of the plurality of branches of the multi-phase winding are respectively positioned in N slot layers of the stator slots, at least two insertion parts in two adjacent stator slots belong to different phase windings, and the insertion parts of the plurality of flat wire hairpins of the plurality of branches of the multi-phase winding are respectively positioned in N slot layers of the stator slots. Each stator slot includes a first hairpin, at least one second hairpin, and a third hairpin. A part of spans of the first hairpins are y, a part of spans of the first hairpins are y-1, the spans of the second hairpins are y-1, and the spans of the third hairpins are y + 1. Therefore, fifth and seventh harmonics in the magnetic field can be effectively eliminated, and 24-order torque pulsation of the motor can be well suppressed. And the height between the two axial ends of the stator assembly is reduced, the copper consumption is reduced, the cost is reduced, the resistance is reduced, the copper consumption is reduced, and the efficiency is improved.

The utility model provides a cover plate assembly, a battery and electric equipment, and relates to the technical field of batteries, a cover plate body of the cover plate assembly comprises a first surface and a second surface, and the cover plate body is provided with a first through hole penetrating through the first surface and the second surface; the insulating ring is arranged on the second surface, and a second through hole corresponding to the first through hole is formed in the insulating ring; the leading-out terminal is arranged on one side, opposite to the cover plate body, of the insulating ring, and a third through hole is formed in the leading-out terminal; and the adapter is arranged in the third through hole and is electrically connected with the leading-out terminal, and the adapter is used for being electrically connected with a tab penetrating through the first through hole, the second through hole and the third through hole. According to the cover plate assembly, the use length of the tabs can be shortened, and short circuit between the positive and negative pole pieces caused by the tabs is avoided.

The utility model discloses a support that can install red dot sighting telescope and magnifying lens simultaneously, including support body and magnifying lens mounting bracket, the bottom of support body is equipped with guide rail clamping piece, and the top of support body is equipped with red dot sighting telescope installation position, magnifying lens mounting bracket installs on the support body behind red dot sighting telescope installation position, and can switch between first position state and second position state, and the top of magnifying lens mounting bracket is equipped with magnifying lens installation position, the utility model discloses can install red dot sighting telescope and magnifying lens simultaneously, has saved the use length of gun guide rail, and can unify the height of two mirrors, ensures that the sighting center is coaxial, avoids excessive adjustment, and provides magnifying lens quick switching mode simultaneously.

The utility model discloses a battery pack with a charging function, and relates to the technical field of batteries. The battery pack comprises a shell, a BMS assembly, a BDU assembly, battery cells and a charging circuit, the charging circuit comprises a charging main circuit and a plurality of charging branch circuits, the shell is provided with a charging external connection end, the charging main circuit is connected to the charging external connection end, the charging branch circuits are connected to the charging main circuit in parallel, each charging branch circuit is connected with the corresponding battery cell, and the battery cells are connected to the charging main circuit. Each electricity supplementing branch line is provided with a branch switch used for controlling on-off of the branch line. And the selection controller is electrically connected with the plurality of branch switches, and the selection controller is also electrically connected with the BDU assembly. According to the battery pack with the charging function, the independent charging circuit is arranged in the battery pack, so that the low-voltage battery core in the battery pack can be independently charged through the charging circuit, and the voltage difference of the battery pack during charging and discharging is reduced.

The invention is suitable for the technical field of injectors, and provides a pre-filling pen type injector which comprises an injection pen body. A fixed tube is arranged on the inner bottom surface of the injection pen body in a penetrating and communicating manner; a plurality of hemispherical seats are uniformly fixed on the peripheral side surface of the fixed pipe in the working cavity; a spherical elastic reset air bag is arranged in the hemispherical seat; an air delivery pipe penetrating through the hemispherical seat is arranged between the spherical elastic reset air bag and the fixed pipe in a communicating manner; the sliding groove is slidably provided with an extrusion part. Sliding holes are formed in the surfaces of the clapboards; a piston part is slidably arranged in the sliding hole; according to the device, air in the spherical elastic reset air bag is pressed into the fixing tube through the holding and pressing ball head, so that the piston is driven to slide and descend along the fixing tube, liquid medicine in the injection tube is injected into the body of a patient through the injection needle, and a traditional screw piston pressing injection mode is replaced; the use length of the pen type injector is reduced, and the pen type injector is convenient to carry.

The utility model provides a comprehensive waterproof power cable for river channel construction, which comprises an outer sheath, a reinforcing net, an inner sheath, a filling layer, a limit frame, conductors and an insulating layer, and is characterized in that the outer sheath is of a flat structure, the reinforcing net is fixed in the outer sheath, the inner sheath is fixed in the reinforcing net, and the filling layer is fixed in the inner sheath; a limiting frame is fixed in the filling layer, a plurality of conductors are fixed in the limiting frame, and the outer side surfaces of the conductors are wrapped with insulating layers; the reinforcing net is of a net-shaped structure formed by weaving a steel wire net. Through the arrangement of the outer sheath and the limiting frame, the cable can float on river water during use, so that a worker can conveniently confirm the position of the cable, the cable can be prevented from rolling in a river channel, the position of a conductor can be limited, and external pressure can be buffered.