121results about How to "Small space ratio" patented technology

The invention discloses an electric leakage circuit breaker, and relates to the technical field of circuit breakers. The electric leakage circuit breaker comprises a shell that is provided with an L-pole incoming and outgoing line column, an N-pole incoming and outgoing line column, a magnetic tripping mechanism, an operating mechanism, a thermal tripping mechanism, and an arc extinguishing system. The operating mechanism is connected with one end of a tripping frame; the other end of the tripping frame is connected with an L-pole moving contact and an N-pole moving contact; a rotating wheel is located under the tripping frame and connected with one end of a moving contact pressure spring, and one side of the other end of the moving contact pressure spring is connected with one end of theL-pole moving contact; the other side of the other end of the moving contact pressure spring is connected with one end of the N-pole moving contact; the other end of the L-pole moving contact is in separable contact with the L-pole static contact; and the other end of the N-pole moving contact is in separable contact with the N-pole static contact. Aiming at the technical problem that secondary arcing is formed due to incomplete arc extinguishing of a circuit breaker in the prior art, an arc extinguishing rib is arranged on an N pole, the product space design is optimized, and an electric arccan be effectively isolated and extinguished.

The invention discloses a portable multifunctional infusion stand with an automatic medicine changing function. The portable multifunctional infusion stand comprises a base, a lower supporting rod, alower connecting part, an upper connecting part, an upper supporting rod and a circular plate; the lower supporting rod is arranged on the upper wall face of the base, the lower connecting part is arranged at the upper end of the lower supporting rod and internally provided with a threaded hole, the upper connecting part is screwed into the threaded hole of the lower connecting part, and the uppersupporting rod is arranged on the upper wall face of the upper connecting part. The portable multifunctional infusion stand has the advantages that through the arrangement of an automatic medicine changing unit, when one bottle of medicine liquid is infused up, another bottle of medicine liquid can be automatically adopted for replacement; the infusion stand is set to be of a detachable structure, the space ratio is reduced during conveying, the medicine liquid can be heated to the body temperature through a heating function, and a patient feels more comfortable; through the design of a swingheatstroke prevention mechanism, the patient can be effectively cooled during infusion in summer, and the occurrence of heatstroke is prevented; finally, through the design of a shock absorption moving mechanism, when the infusion stand moves, the vibration can be greatly reduced, and the use is convenient.

The invention relates to a novel two-dimensional / three-dimensional combined dual-polarization ultra-wideband wave absorbing structure. The structure is composed of a first absorbing surface, a secondabsorbing surface and a metal reflecting plate. A three-dimensional transmission line structure is loaded on the first wave absorbing surface. The combination of two two-dimensional absorbing surfacesand one three-dimensional transmission line structure skillfully constructs a head-to-tail multi-resonance, thus realizing wide-band dual-polarization absorbing (7.15 octaves). The wave absorbing structure provided by the invention has the advantages of thin thickness, light weight, low cost and easy design and processing.

The invention discloses a robot for scrubbing glass and a wall surface on a building facade, which comprises two supports which are fixed on the top surface of a building and are oppositely arranged,and water pipe holes are formed in the side walls of the supports so that a first water pipe and a second water pipe penetrate through the water pipe holes; a rotating shaft is connected between the two supports, a water pipe winding drum is rotatably connected to the rotating shaft, a first water pipe and a second water pipe are wound on the water pipe winding drum, the robot further comprises apower mechanism, a track, a lifting mechanism and a scrubbing mechanism, and the action of the robot is controlled through a PLC system. The robot for scrubbing the glass and the wall surface on the building facade is simple in structure, stable in system and low in cost, the scrubbing structure can flexibly move in the horizontal direction and the vertical direction, the whole scrubbing operationis controlled through the PLC system, the scrubbing position can be accurately controlled, the accuracy is high, and the scrubbing efficiency is high.

The invention relates to a three-section type inner folding hinge. The three-section type inner folding hinge comprises a left spring support, a right spring support, a synchronizing mechanism, a locking mechanism and a screen supporting and avoiding mechanism; the synchronizing mechanism comprises a baffle, a torsion piece, a gear set and a limiting plate; the screen supporting and avoiding mechanism comprises a first rotating block, a second rotating block, a sliding block, a lifting block, a left cover plate and a right cover plate; one end of the left spring support is connected to the gear set and the first rotating block, and one end of the right spring support is connected to the gear set and the second rotating block; the first rotating block and the second rotating block partially abut against the lifting block to achieve the lifting action of the lifting block; extending columns are arranged at the two ends of the lifting block; inclined grooves are formed in the ends of the left cover plate and the right cover plate; and the extending columns are correspondingly installed in the inclined grooves respectively. The three-section type inner folding hinge is small in space occupation ratio; an action mechanism is simple and efficient; the requirement for the appearance of any three-section type folding mobile terminal can be met; and practicability and use scenes are effectively improved.

The invention relates to a superfine, super anti-bending and superhigh-intensity guidance optical cable. A bending insensitive optical fiber is adopted in an inner core of the optical cable, a reinforced yarn layer is clad on the optical fiber, and an outer cladding is clad on the reinforced yarn layer; the outside diameter of the optical cable is 0.25mm-0.45mm, the tensile force is 8kg-15kg, the allowable minimum bend radius is 5mm, and the operating environment is minus 60 to 85 DEG C. The space occupation ratio of the optical cable can be effectively reduced and the use limitations are reduced by adopting the optical cable; furthermore, the optical cable has the advantages of superfine outside diameter, superhigh intensity, excellent anti-bending property, long length and the like.

The invention discloses a deformable crawler-type spherical pipeline robot. The robot comprises a shell and a control part arranged in the shell, the shell comprises a left hemisphere shell, a middleconnecting piece and a right hemisphere shell, the left hemisphere shell and the right hemisphere shell are connected through the middle connecting piece and are symmetrical by taking the middle connecting piece as the center, a left crawler belt is arranged at the inner end of the left hemisphere shell, and a right crawler belt is arranged at the inner end of the right hemisphere shell. Accordingto the invention, various related detectors can be carried into a complex pipeline; manual detection can be replaced, an original spherical structure is changed into a long-strip-shaped caterpillar band structure through deformation of the structure of the spherical robot, obstacles in the pipeline can be passed conveniently, in addition, forward deformation and reverse deformation of the spherical shell of the spherical robot are completely reversible, the control process is simple, the number of mechanisms participating in deformation is small, and movement and deformation can be achieved fast and conveniently.

The invention discloses a double-row blade battery OCV / ACIR testing device, and the device comprises: a three-axis mechanical module assembly which comprises an X-axis assembly, a Y-axis assembly, a Z-axis assembly, and a module supporting assembly, wherein the X-axis assembly is horizontally erected on the top of the module supporting assembly, the Y-axis assembly is horizontally erected on the X-axis assembly in a sliding manner, and the two Z-axis assemblies are vertically installed on the Y-axis assembly in a sliding mode; two sets of probe testing assemblies which are installed on the Z-axis lifting parts of the two sets of Z-axis assemblies respectively, wherein each probe testing assembly comprises a module fixing frame body, a clamping jaw assembly, a contact probe assembly and an in-place detection assembly, the top of the module fixing frame body is connected with the Z-axis lifting parts of the Z-axis assemblies, the clamping jaw assembly is suspended at the bottom of the module fixing frame body, the contact probe assembly is arranged at the clamping part of the clamping jaw assembly, and the in-place detection assembly is arranged on the module fixing frame body; and a battery cell tray which is arranged below the three-axis mechanical module assembly. The device has the advantages of being simple in structure, small in space occupation ratio and capable of effectively solving the problem of testing the battery with the blades arranged in two rows.

The invention discloses an automatic assembly process and device for a motor shell, and relates to the field of motor assembly. The method comprises the steps of providing a workpiece, wherein the workpiece comprises a barrel shell, a bearing and a magnetic body, and an inner cavity is formed in the barrel shell; assembling a bearing, conveying the barrel shell to an axial pressing mechanism, pressing the bearing into the barrel shell, and enabling the bearing to be fixed in a bearing groove; assembling the magnetic body, conveying the barrel shell in which the bearing is pressed to a magneticbody installing mechanism, and installing the magnetic body in the inner cavity; conducting a dust removal process for performing dust removal treatment; conducting a magnetizing step for magnetizingthe magnetic body; and conducting post-processing for detecting and processing the magnetized shell assembly. According to the invention, the process is simple, the cylinder shell, the bearing and the magnetic body can be rapidly and accurately installed in the barrel shell, the working efficiency is improved, rapid assembling of the motor shell is achieved through the axial pressing mechanism, the magnetic body installing mechanism, a dust collection mechanism, the magnetizing mechanism and other mechanisms, the device space occupation ratio is small, accurate and efficient assembling of themotor shell is achieved, the labor cost is reduced, and the working space is saved.

The invention discloses a Fresnel hologram frequency domain gating filtering method based on deep learning, and the method comprises the steps: employing a spectrogram generated after the Fourier transform of an off-axis Fresnel digital hologram generated through simulation as a sample needed by network training; enabling the feature extraction network to realize extraction of main reconstruction information of the holographic image by learning a relation between zero level and positive and negative level of holographic spectrograms at different angles; finally, filtering the part containing the effective information, performing Fourier inversion to obtain an interference-free hologram, performing hologram reconstruction to obtain a hologram only containing a negative level, and performing compression quality evaluation on analog data. According to the method, the hologram without zero order and other interferences can be generated, the hologram compression rate is improved, and the problems that real-time reconstruction of the hologram is difficult, the reconstruction effect is poor and the compression rate is insufficient are solved. The method has a wide application prospect in the fields of holographic three-dimensional display, holographic projection, information security, digital microscopic holography, intelligent transportation, medical treatment and the like.

The invention provides a miniature high-pressure electromagnetic valve which comprises a metal coil framework, a fixed iron core fixed to one end of the coil framework and a coil winding installed on the coil framework, and a screw joint part is arranged at the end, facing the coil framework, of the fixed iron core. The screw joint part extends into the coil framework and is in threaded connection with the coil framework, and the ratio of the length of the part, extending into the coil winding, of the screw joint part to the axial length of the coil winding is 1 / 5-1 / 3: 1; a first magnetizer is arranged at one end, far away from the screw joint part, of the fixed iron core, a second magnetizer is sleeved at the other end of the coil framework, and the thickness of the first magnetizer and the thickness of the second magnetizer are 1-3mm; the miniature high-pressure electromagnetic valve overcomes the defects that an existing electromagnetic valve is complex in structure, large in size, poor in strength, small in magnetic field force and short in service life.

The invention discloses a combined type sorting box, comprising a box cover and a box body with an accommodation cavity, wherein the box body is formed via a mode that a bottom plate and a plurality of side plates are combined and connected. With the adoption of the combined type sorting box, the defects and the problems existing in integral structures of the existing sorting box are solved; the combined type sorting box is designed; the box body of the whole sorting box is formed via the mode that multiple components are combined and connected; each component can be processed alone; in such a way, the size of a processing die can be effectively decreased, the cost is saved and the processing quality is promoted; meanwhile, during transportation or in nonuse, the whole sorting box can be disassembled for folding; and therefore, the space occupation ratio is effectively lowered, the transportation cost is decreased, and the actual use is facilitated quite greatly.

The invention discloses a motor with a brake in a rear end cap. The rear end cap is divided into a bearing chamber and a brake chamber, and a rotating shaft hole is formed between the bearing chamber and the brake chamber. The rear end portion of a rotating shaft penetrates the rotating shaft hole and is then placed in the brake chamber of the rear end cap, and space between the rotating shaft and the rotating shaft hole is sealed by a sealing ring. A bearing is arranged in the bearing chamber of the rear end cap, and an elastic component is assembled in a compressed way between the bearing and the rotating shaft hole. The brake is placed in the brake chamber of the rear end cap and installed in the rear end portion of the rotating shaft. The rear end cap is provided with an operation window in the side of the brake chamber. According to the invention, the rear end cap of the motor includes the brake, space between the brake and the bearing chamber is sealed, and influence of dust on a motor body is reduced. The operation window is reserved in the rear end cap, so that requirements for operating and adjusting the rear end of the motor are satisfied in real time in the motor using process. The structure is compact and simple, the occupation space is small, the motor weight is reduced, and the motor is light and convenient to maintain.

The invention discloses a battery pack lower shell and a battery pack with the same. The battery pack lower shell comprises a lower shell part, a reinforcing part and a fixing part. A battery cavity for containing a battery is formed in the lower shell part, the lower shell part extends in the direction away from the battery cavity to form a first turned-over edge, the reinforcing part is connected to the side, away from the battery cavity, of the lower shell part, a cavity is defined by the reinforcing part and the lower shell part, the fixing part is connected between the first turned-over edge and the reinforcing part, one end of the fixing part extends to the cavity, and the other end of the fixing part is arranged outside the cavity. According to the battery pack lower shell, the reinforcing part is arranged on one side of the lower shell part and used for improving the structural strength of the lower shell part, the fixing part is connected between the first turned-over edge and the reinforcing part, and part of the structure is located in the cavity; The lower shell part is fixedly connected to the vehicle body floor on the premise that the fixing part occupies less external space, and the structural strength and the stability of the battery pack lower shell are improved.

A multi-layer hairpin type flat wire winding stator comprises a stator core and a hairpin flat wire wave winding. Stator slots are arranged in the stator core, and the hairpin flat wire wave winding is embedded in the stator slots. The hairpin flat wire wave winding comprises more than two branches. The stator slots where three-phase windings of the hairpin flat wire wave winding are located are arranged in a pairwise spaced mode and sequentially arranged. Any branch is changed to an equivalent slot of the adjacent stator slot after circling by half of layers on the circumference, and long-distance or short-distance connection is adopted when the branch is changed to the equivalent slot of the adjacent stator slot in a cross-layer mode, so that the head end and the tail end of any branch are located on the innermost layer and the outermost layer in the radial direction of the stator. Long-distance or short-distance connection occurs only when cross-layer transposition is performed to equivalent slots of adjacent stator slots, so that the head ends and the tail ends of the branches are located on the innermost layer and the outermost layer in the radial direction of an armature, and a single branch of each phase can pass through equivalent positions of all layers of all the stator slots of the phase where the single branch is located.

The invention relates to a double-deck offshore booster station which comprises an upper module, a jacket structure and a pile foundation structure, the upper module is divided into two layers of mixed steel structure buildings by a first deck, a second deck and a top deck, and the two layers of mixed steel structure buildings are respectively a first equipment layer and a second equipment layer. A traditional bottom cable layer is optimized into a 35kV cable interlayer chamber, a traditional design cable layer is canceled, a main transformer accident oil collecting device is arranged in an original cable layer and welded to the bottom of an offshore booster station platform, and a three-deck structure of an original offshore booster station is optimized into two decks. A 35kV switch cabinet and a main transformer are connected in a copper pipe bus upper wire inlet mode, the main transformer and the GIS equipment are connected in a high-voltage oil and gas sleeve upper wire inlet mode, the space utilization rate of the offshore booster station is further improved, and compared with traditional offshore booster station arrangement of the same installation scale, the total area can be reduced to 1461 square meters and is reduced by about 36%; and the total height can be reduced to 13.5 m and is reduced by about 30.7%.

The invention belongs to the technical field of excavating equipment, and discloses an onboard platform supporting system for a heading machine. The onboard platform supporting system for the headingmachine is provided with an onboard platform supporting device and a platform pushing and conveying structure, wherein the onboard platform supporting device is fixedly arranged at the upper part of acutting part; and the platform pushing and conveying structure is movably arranged at the lower end of the onboard platform supporting device and is used for achieving movement of the onboard platform supporting device. The platform supporting device is retracted and folded to be placed above the cutting part; the space occupation ratio is very small; during operation, edge scraping is avoided, and the vision of a driver is not hindered; the platform supporting device can move along with heading equipment to achieve an onboard effect; and practicability is high. The function requirement of building an operation platform in the air is met, and the operation can be fast realized; and large-area coverage is achieved in front and lateral sides of the cutting part of the heading machine, and the adaptability is high.

The invention relates to an inner folding hinge applied to a mobile terminal. The inner folding hinge applied to the mobile terminal comprises a rotating mechanism, a synchronizing mechanism and a locking mechanism. The rotating mechanism comprises a sliding rail seat, a left sliding block, a right sliding block and a middle shell. The sliding rail seat is installed on the middle shell, the left sliding block and the right sliding block are each provided with a sliding groove, and the sliding grooves are formed in the sliding rail seat to generate rotating and sliding actions. The synchronizing mechanism comprises a left gear seat, a right gear seat, a gear set, a left intermediate shaft and a right intermediate shaft, the left intermediate shaft penetrates through the left gear seat, the right intermediate shaft penetrates through the right gear seat, and the left intermediate shaft is connected with the right intermediate shaft through the gear set and used for generating synchronous rotation actions. According to the inward folding hinge applied to the mobile terminal, the structural complexity of the hinge is greatly simplified, the hinge can be matched with a three-section inward folding mobile terminal with any appearance, the space occupation ratio of the hinge is small, and an action mechanism is simple and efficient.

The invention provides a hybrid power system and a control method. The system comprises an engine, a main shaft, a first clutch, a second clutch, a third clutch, a fourth clutch, a first planetary gear train, a second planetary gear train, a first connecting cylinder, a second connecting cylinder, a first brake, a second brake, a first motor and a power supply assembly, wherein an output shaft ofthe engine is coaxially connected with the main shaft; a rotor of the first motor is coaxially connected with the main shaft; the first connecting cylinder is connected with a first planet carrier anda second gear ring; the second connecting cylinder is connected with a first gear ring and a second planet carrier; the first planet carrier is in transmission connection with wheels; the first clutch is connected with the main shaft and a first center wheel; the second clutch is connected with the main shaft and the second planet carrier; the third clutch is connected with the main shaft and a second center wheel; the fourth clutch is located on the second connecting cylinder; the first brake can brake the first gear ring; and the second brake can brake the second center wheel. Multi-gear switching of the hybrid power system can be achieved, and the adaptability of the system is enhanced.

The invention belongs to the technical field of noise testing, and specifically discloses a bearing pedestal noise processing system for NVH test of a pure electric vehicle electric drive system. Thebearing pedestal noise processing system comprises an anechoic chamber, wherein a basement is formed in the ground in the anechoic chamber, the top face of the basement is communicated with the anechoic chamber, an actuating mechanism freely moving in the horizontal direction is fixedly connected into the basement, a bearing pedestal is fixedly connected to the top end of the actuating mechanism,the bottom end of the bearing pedestal is located in the basement, and the top end of the bearing pedestal is higher than the ground of the anechoic chamber; and a dynamometer is arranged outside theanechoic chamber, an output end of the dynamometer is coaxially connected with the bearing pedestal, and the side, away from the dynamometer, of the bearing pedestal serves as a supporting part. The invention aims to provide a noise reduction and sound field optimization system of a bearing pedestal system, so as to solve the problem that noise affects distortion of NVH acquired data.

The invention discloses a container with box doors capable of contracting into a box body. The container comprises the box body and the box doors, wherein five faces of the box body are closed, one face of the box body is provided with an opening, the box doors are arranged at the opening, the box body is composed of baffle plates, locking rod grooves, sliding rails and side plates, the box body is internally provided with the baffle plates, the baffle plates are provided with roller grooves, the top end of the box body is provided with the locking rod grooves and the sliding rails, the box doors are composed of locking rods, connecting shafts, rollers, roll balls and door sheets, and the box doors are provided with the rollers and roll ball heads. The container with the box doors capableof contracting into the box body solves the problems that an existing double-opening box door occupies large space, thereby causing much inconvenience when people carry goods; the double-opening box door can cause safety hazards easily when a vehicle stops for goods carrying, people may knock on the double-opening box door with a little carelessness, and more seriously, loss of life and personal injury may be caused.

A compact rack structure of an automobile steering column is characterized in that two rack positioning convex blocks of an axial moving rack are respectively clamped into the lower part of a limitingplatform of a radial soft limit and the upper part of a positioning plate to assemble an axial moving rack and a radial soft limit together, the radial soft limit is assembled to the position of thepositioning bulge of a radial rack, a positioning through hole, a limiting through hole and a rack through hole are aligned, an axial spring is arranged between the radial soft limit and the radial rack, a handle bushing is inserted from the concave step of the radial rack, a bushing cap of the handle bushing is clamped at the concave step, the body of the handle bushing penetrates through the positioning through hole, the axial spring, the limiting through hole and the rack through hole to assemble the radial rack, the axial spring, the radial soft limit and the axial moving rack together, and a handle clamping spring is arranged at the extending end, penetrating through the rack through hole, of the handle bushing to position the handle bushing in order to form an integral compact rack structure. The structure is compact, and the requirement of customers for the arrangement space is met.

The invention discloses a stacked cutting machine. A sliding rail parallel to a workbench is arranged above the workbench, the two ends of the sliding rail are both connected with the workbench through supporting plates, the sliding rail is provided with a sliding piece sliding in the length direction of the sliding rail, the sliding piece is connected with a cutting mechanism through a fixing piece, the bottom of the workbench is provided with a folding bracket group, the folding bracket group comprises folding brackets parallel to each other, the folding brackets comprise supporting rods intersecting with each other and pivotally connected with each other, and the tops of the supporting rods are connected with the workbench through rotating limiting seats respectively. The stacked cutting machine has the advantages that folding is convenient, the assembly is convenient, the occupied space is small, the storage is easy, and the height of the workbench is vertically adjusted.

The invention relates to a multi-degree-of-freedom low frequency vibration isolator based on vibration mode and swing mode coupling. The multi-degree-of-freedom low frequency vibration isolator mainlycomprises a high static state stiffness vibration isolator body and a low dynamic state stiffness vibration isolator body which are the same and are symmetrically arranged up and down, and supportingrods of the high static state stiffness vibration isolator body and the low dynamic state stiffness vibration isolator body are connected with a space swing mechanism through two spherical hinges; the high static state stiffness vibration isolator body and the low dynamic state stiffness vibration isolator body are each provided with a spiral spring and a magnetic negative stiffness mechanism; each spiral spring provides positive stiffness supporting along an axial support; each magnetic negative stiffness spring is formed by three attracted annular permanent magnets and provides nonlinear resilience and negative stiffness characteristics in the vertical direction; and the high static state stiffness vibration isolator body and the low dynamic state stiffness vibration isolator body achieve motion coupling with the space swing mechanism, quasi-zero stiffness characteristics and geometric nonlinearity damping in the horizontal direction are achieved, and low-frequency vibration of an object subject to vibration isolation in three transverse movement directions is effectively isolated. The multi-degree-of-freedom low frequency vibration isolator has the beneficial effects of high bearing capacity and low resonant frequency, and the good inhibitory effect on the low frequency vibration in multiple degree-of-freedom directions is achieved.

The invention relates to a car lock locking mechanism. The mechanism comprises a rotating clamping plate (1) and a locking claw (2) which are rotatably arranged on a first rotating shaft (A) and a second rotating shaft (B) correspondingly and are matched with each other to achieve two states of locking and unlocking. The locking mechanism is characterized in that the engaging face outline (21) of the clamping plate (1) and the locking claw (2) is an eccentric arc face, the other side of the locking claw (2) is provided with a component force blocking locking mechanism which can slide firstly and then rotate; through the eccentric design of the engaging portion of the locking claw, force can be dispersed, through the component force blocking mechanism, action force can be further dissipated, releasing force instantly generated when engagement of the locking claw and the rotating clamping plate is released is effectively reduced, the noise is lowered, vibration is buffered, the service life of the lock body can be prolonged, and the user operation comfort is greatly improved.

The invention discloses an intelligent cabinet lock. The intelligent cabinet lock comprises a functional module, a bouncing mechanism, an integrated mechanical lock mechanism, an ejection mechanism, acover plate and a lock shell; a motor rotates to drive a sliding block to slide, a first stop block, a locking block and a second stop block are fixed to a locking piece, a third stop block is arranged on a rotating block, the first stop block is matched with the sliding block, the locking block is matched with a lock catch, the third stop block is matched with the second stop block, a second through groove is formed in one end of a lock hook, the lock catch is matched with the lock hook through the second through groove, a first through groove is formed in a lock shell, the lock hook penetrates through the first through groove and is fixed to a handle through a first screw, an elastic block is installed below the lock hook, a second spring is installed in the elastic block, and the coverplate is rotationally connected with the handle through a third spring. The intelligent cabinet lock has the beneficial effects that modular design is adopted, multiple unlocking modes coexist, the unlocking efficiency is improved, and the unlocking error-tolerant rate is reduced; the pop-up handle reduces the overall space occupation ratio of the door lock; the integrated mechanical lock mechanism can be used for emergency or maintenance unlocking, and the overall use stability of the door lock is improved.

The invention discloses a battery pack fire extinguishing system and method and a vehicle. The system comprises a fire extinguishing controller, a fire extinguishing agent injection valve and a fire extinguishing channel arranged in a battery pack; the fire extinguishing agent injection valve comprises a pop-up pipeline and a control part used for controlling the pop-up pipeline to pop up; the control part is connected with the fire extinguishing controller; a first end of the pop-up pipeline serves as a fire extinguishing agent injection port and is used for injecting a fire extinguishing agent into the battery pack from the outside of the vehicle, and a second end of the pop-up pipeline communicates with an inlet of the fire extinguishing channel in the battery pack; and the fire extinguishing controller is used for triggering the control part to pop the first end of the pop-up pipeline out of the vehicle when receiving a battery pack thermal runaway signal. According to the battery pack fire extinguishing system, accurate and efficient fire extinguishing of the battery pack can be achieved under the conditions that the weight of the vehicle is not increased too much, the space proportion is small, and the cost is low.

The invention discloses a trolley sealing device for a flue gas circulation system of a sintering machine. The trolley sealing device comprises a cover body arranged on the top surface of a sintering machine trolley in a covering manner, wherein a communicating assembly is arranged at the top end of the cover body and communicates an inner cavity of the cover body and the outside; vertical adjusting sections are fixedly connected to the two ends of the inner cavity of the cover body separately; sealing devices are arranged between the vertical adjusting sections and the two ends of the top surface of the sintering machine trolley; the cover body comprises a plurality of skeletons; the plurality of skeletons are arranged above the sintering machine trolley; the communicating assembly is arranged on the skeletons; a skin is fixedly connected with the exteriors of the skeletons; and a heat preservation layer is arranged on the skin. The trolley sealing device is simple in structure, high in firmness, convenient to mount and dismount, small in space ratio, high in modularization degree, high in convenience of maintenance of the trolley part of the sintering machine, low in material consumption of the cover body, low in cost and high in popularization value.

The invention relates to the technical field of textile drying, in particular to a textile printing and dyeing printing drying system and method. The three drying mechanisms arranged in the inverted triangle shape are adopted, so that the transverse space proportion is reduced, meanwhile, the cloth drying path is increased, the cloth is rolled and flattened through cooperation of the abutting rollers and the anti-abrasion rollers while the cloth is dried by the drying mechanisms, and the cloth drying efficiency is improved. And an electric heating plate is installed at the right end of the V-shaped base, the electric heating plate irons the cloth to prevent the cloth from wrinkling, meanwhile, a steam condensation mechanism is adopted for cooling and discharging steam generated in the cloth drying process, and therefore the cloth drying effect is improved. And the phenomenon that the cloth drying speed is low due to the fact that the water content of air in the drying box is high is prevented, and therefore the cloth drying efficiency is improved.