189results about How to "Lower assembly costs" patented technology

The invention discloses a PCB (Printed Circuit Board) capable of directly installing a double-optical-path optical axis, the double-optical-path optical axis and a keyboard, the PCB is provided with a plurality of slotted holes, the PCB is fixed with the double-optical-path optical axis through the slotted holes, each double-optical-path optical axis is correspondingly provided with a chip and a photosensitive element, and the chip is one of a full-color control chip, a color control chip, a load color control chip, a fantasy color control chip and a full-load color control chip. The double-light-path optical axis comprises a bottom shell, a spring, an upper cover, a pressing handle with a light barrier, a double-light-path light guide body and a receiving light guide body. The four chips serve as emitting light sources of the double-light-path light guide body, one chip provides an emitting light source for the light switch, the other chip provides light source for the key cap character illumination and the light sensitive element receives the emitting light source of the light switch, meanwhile, the double-light-path optical axis is directly installed on the PCB, a special shaft body fixing plate is omitted, the material cost and the assembly cost are reduced, and the keyboard height is also reduced. The assembly error between the original shaft and the PCB is naturally eliminated, and the stability and the reliability of the keyboard function are improved.

The invention relates to the technical field of electronic devices, discloses a low-thermal-resistance insulation integrated top heat dissipation power device, and aims to solve the problems that a traditional power device is high in thermal resistance, insufficient in insulation reliability and complex in assembly. The device comprises a frame base island, an insulating layer, a SiC chip, a bonding aluminum wire, a pin, an injection molding body and a metal heat dissipation top cover, the insulating layer is a high-thermal-conductivity ceramic layer such as aluminum nitride, the thickness of the insulating layer is 20-150 micrometers, the insulating layer and the frame base island are integrated through high-temperature oxidation bonding, and the metal heat dissipation top cover is bonded with the insulating layer in a low-thermal-resistance mode. An external insulation part is not needed, the assembly process is simplified, an efficient heat dissipation channel is constructed, contact thermal resistance is reduced, meanwhile, wide-temperature-range insulation stability is guaranteed, long-term operation reliability and service life of the device are improved, and the structure is suitable for a high-power-density power electronic scene.

The utility model discloses an axial dust collection integrated motorized spindle which comprises a motorized spindle body, the motorized spindle body is provided with a dust collection structure, a fan structure and an automatic tool changing structure, the fan structure comprises a brushless motor and a centrifugal blade assembly, the brushless motor drives the centrifugal blade assembly to rotate to form airflow, and wood chips and dust are sucked and discharged from the dust collection structure; the automatic tool changing structure comprises a lifting air cylinder, the dust collection structure comprises a dust collection cover, and the lifting air cylinder drives the dust collection cover to move axially when the motorized spindle changes tools. The motorized spindle integrates dust collection, cooling and automatic tool changing functions, and the problems that in the prior art, the dust collection effect is poor, energy consumption is high, the occupied space is large, and cost is high are solved.

This utility model relates to the technical field of automotive lighting, specifically to an ambient light. The ambient light includes a headlight base, a light guide bracket mounted on the headlight base, and multiple light guides mounted on the light guide bracket. A PCB board is fixedly connected to the headlight base and the light guide bracket on the same side. A light source controller and multiple LED light sources are mounted on the PCB board. The light source controller is connected to both the body controller and the multiple LED light sources. Each LED light source is connected one-to-one with a light guide. This design features a simple structure, convenient assembly, low production cost, and customizable light-emitting area according to actual needs.

The utility model provides a hub spindle connecting structure of a wind generating set and the wind generating set, and relates to the technical field of wind power generation. The hub and spindle connecting structure of the wind turbine generator comprises a hub, a transition connecting shaft, a spindle and a wheel disk, the hub comprises a shell and a center cavity defined by the shell, the first end, in the axial direction, of the transition connecting shaft penetrates into the center cavity, and the second end, in the axial direction, of the transition connecting shaft is integrally connected with one end of the spindle; the shell and the transition connecting shaft are integrally formed and connected; the radial plate is located in the center cavity, the first end of the radial plate is connected to the first end of the transition connecting shaft, and the second end of the radial plate is connected to the inner wall of the shell. The utility model provides a hub spindle connecting structure of a wind generating set and the wind generating set, which can reduce the cost and improve the overall rigidity.

A bifocal endoscope objective and endoscope, relating to the field of optical technology, includes a first lens with negative optical power, a second lens with positive optical power, a third lens with positive optical power and movable along the optical axis from the object side to the image side, a fourth lens with positive optical power, a fifth lens with negative optical power, and a sixth lens with negative optical power, arranged sequentially along the optical axis from the object side to the image side. The objective has a total optical length ≤ 6.8 mm and a full field of view ≥ 160°. The third lens is configured to change the air gap between the third lens and the second and fourth lenses by moving it along the optical axis to a first axial position or a second axial position, respectively corresponding to a long-distance observation mode and a short-distance observation mode, while maintaining a constant total optical length during the switching process. This objective achieves stable bifocal switching with a constant total optical length during the switching process in an extremely compact structure.

The utility model discloses a winding module and an endoscope, the winding module comprises a winding roll, a pull wire and a fastener, the winding roll is rotatably arranged, and the peripheral surface of the winding roll is provided with a wiring groove; the traction wire comprises a traction section and a winding section which are connected with each other, and the winding section comprises a first wire section arranged in the wiring groove; the winding roll is further provided with a blocking rib, and the blocking rib is arranged at a groove opening of the wiring groove and extends in the axial direction of the winding roll so as to limit the first line segment to be disengaged from the interior of the wiring groove outwards. According to the winding module, the assembly process of the winding module can be simplified, repeated dispensing operation can be directly replaced through the arrangement of the partition ribs, the assembly cost can be reduced, and finally the overall quality and reliability of the winding module can be improved.

The invention discloses a piston pump and a clothes processing device, the piston pump comprises a pump body, a piston and a driving assembly, the pump body is of an integrated structure, and the pump body is provided with a piston cavity; the piston is arranged in the piston cavity in a reciprocating sliding mode in the axial direction of the piston cavity. The driving assembly is connected to the pump body, and part of the driving assembly extends into the piston cavity so as to drive the piston to slide in a reciprocating mode. The pump head is connected to the pump body and provided with a liquid outlet and a liquid inlet which are both communicated with the piston cavity. The pump body is of the integrated structure and is provided with the piston cavity, connecting points can be reduced, and therefore possible leakage points and fault points are reduced, the pump body can bear longer-time use, and the stability and reliability of the whole structure of the piston pump are improved. And one part of the pump body is used as a mounting part of the driving assembly, so that the number of parts of the piston pump is reduced, and the assembly process is simplified.

The utility model discloses a cover plate assembly and a battery cell module, the cover plate assembly comprises a cover plate main body, a pole and a fixing assembly, the cover plate main body is provided with a first through hole, the pole comprises a pole plate body and a pole main body, the first end of the pole main body is connected with the pole plate body, the second end of the pole main body penetrates through the first through hole, and the fixing assembly is arranged on the pole plate body. The cover plate body extends to one side, far away from the pole plate body, of the cover plate body; the part of the pole main body on one side, far away from the pole plate body, of the cover plate main body is fixed through a fixing assembly; the fixing assembly is made of solid metal. The first through hole with the hole diameter larger than that of the pole main body is formed, so that the pole main body penetrates through the first through hole, the pole main body and the cover plate main body are locked through the fixing assembly on the side, away from the pole plate body, of the pole main body, and the fixing assembly made of metal is higher in structural strength and easy to fix and install; and auxiliary structures such as a riveting die are not needed, so that the assembly difficulty and cost of the cover plate assembly are reduced.

The utility model discloses a power handle which comprises an installation assembly and a driving mechanism, and an installation cavity is formed in the installation assembly. The driving mechanism comprises a driving assembly and a clamping assembly, the clamping assembly comprises a clamping body, a sleeve, a first elastic piece and an abutting piece, and the sleeve is arranged on the clamping body in a sleeving mode and can move relative to the clamping body in the axial direction of the sleeve; wherein the first elastic piece comprises a plurality of disc springs, the disc springs are stacked in the axial direction of the sleeve and arranged on the clamping body in a sleeving mode, the disc springs have a compression state generating elastic deformation and abut against the position between the sleeve and the driving assembly, and the abutting piece is arranged on the clamping body and located on the side, away from the first elastic piece, of the sleeve. The first elastic piece can push the sleeve to move to make contact with the abutting piece so that the abutting piece can move towards the interior of the clamping body in the radial direction of the sleeve. The clamping assembly solves the problems that the clamping stability of the clamping assembly is poor, and clamping failure is prone to occurring.

A waist rest comprises a back plate and at least one supporting assembly arranged on the back plate, each supporting assembly comprises a cross beam and two supporting plates, the two supporting plates are arranged on the cross beam in a bilateral symmetry mode through elastic assemblies, the cross beam is arranged on the back plate in an up-down moving and adjusting mode, a sliding rail extending up and down is arranged on the front face of the back plate, and the cross beam is in sliding fit with the sliding rail. A locking mechanism is arranged on the cross beam, a plurality of locking holes which are arranged at intervals in the length direction of the sliding rail are formed in the sliding rail, the locking mechanism comprises locking pins which can be inserted into or separated from the locking holes, and when the locking pins are inserted into the locking holes, the vertical movement of the cross beam can be limited; when the locking pin is separated from the locking hole, the cross beam can move up and down, the two supporting plates used for supporting the waist and the back of the human body are symmetrically arranged on the cross beam, the cross beam is connected with the back plate in an up-down moving mode through the sliding rail and the locking mechanism, and therefore the heights of the two supporting plates can be adjusted at the same time.

This utility model discloses a valve stem and valve disc connection structure and a ball valve including the same. The valve stem and valve disc connection structure includes a valve stem body, a valve disc sleeve, and a valve disc core. The valve disc sleeve has a first end and a second end opposite to each other, and has an accommodating space penetrating the first end and the second end. The valve stem body extends into the accommodating space of the valve disc sleeve through the first end. The valve disc core is installed at the second end of the valve disc sleeve and at least partially extends into the accommodating space to press the valve stem body against the valve disc sleeve. The valve disc core and the second end of the valve disc sleeve are fixedly connected by welding. This utility model can solve the problems of low structural strength and complex processing of traditional valve disc and valve stem separate connection structures using threaded sleeves or T-groove hooks.

The utility model discloses a battery compartment structure and electronic equipment with the battery compartment structure, the battery compartment structure comprises a first shell, a circuit board, a first electrode piece and a second electrode piece, the first shell is internally provided with an accommodating groove for accommodating a battery; the circuit board is arranged in the first shell; the first electrode piece is provided with a first connecting pin and a first electrode pin, the first connecting pin is fixed on the circuit board and is electrically connected with the circuit board, and the first electrode pin is positioned in the accommodating groove and is adjacent to one end of the accommodating groove; the second electrode piece is provided with a second connecting pin and a second electrode pin, the second connecting pin is fixed on the circuit board and is electrically connected with the circuit board, and the second electrode pin is positioned in the accommodating groove and is adjacent to the other end of the accommodating groove; and a V-shaped space is defined between the second electrode pin and the first electrode pin, so that the battery can be clamped between the first electrode pin and the second electrode pin. The battery compartment structure disclosed by the utility model improves the convenience of mounting the battery, and is simple in structure and low in manufacturing and assembling cost.

The utility model discloses a handheld electric seeder which comprises a shell, a storage bin with a discharge port is formed in the shell, a connecting rod control mechanism for controlling seed output is installed in the shell, and the connecting rod control mechanism sequentially comprises a pressing control handle, a straight connecting rod, a steering transmission assembly, a pushing piece and an opening and closing control panel according to the motion transmission path of the connecting rod control mechanism. Wherein the straight connecting rod is longitudinally connected to the lower end of the pressing control handle, the steering transmission assembly comprises a hinge shaft and a hinge sleeve which are movably connected in a sleeved mode, the hinge sleeve is connected with the straight connecting rod and the pushing piece, and the pushing piece is connected with the opening and closing control plate which is located below the discharging port. A through hole is formed in the discharge port, so that a falling channel which can be communicated with the discharge port and a sealing part for blocking the discharge port are formed. According to the connecting rod control mechanism, the whole connecting rod control mechanism is arranged to be in a vertical regular shape, the whole connecting rod control mechanism is longitudinally installed, the structure of the connecting rod control mechanism is simplified, the production and assembly cost is reduced, and the use reliability is improved.

The utility model provides a rotary ventilation structure which comprises a power assembly used for driving a main shaft to rotate; the ventilation assembly is used for realizing rotary ventilation; the ventilation assembly comprises a main shaft, a first sleeve, a second sleeve, a first sealing ring and a second sealing ring; the main shaft is of a hollow cylindrical structure and is provided with two first vent holes; the first sleeve sleeves the position, provided with the first vent hole, of the main shaft, the first sealing ring and the second sealing ring are located on the two sides of the first sleeve and sleeve the main shaft, and the second sleeve sleeves the outer sides of the first sealing ring, the first sleeve and the second sealing ring; an annular groove is formed in the outer wall of the first sleeve, and two spiral through grooves which are symmetrically distributed with the rotating axis of the main shaft as the center are formed in the annular groove. The rotary ventilation structure provided by the utility model not only improves the ventilation efficiency and the sealing performance, but also simplifies the assembly process by optimizing the design, enhances the durability and the adaptability of the system, and provides a more reliable and flexible solution.

The embodiment of the invention provides a joint module and a robot. The joint module comprises a shell, a driving mechanism and an output flange. The shell is of a cylindrical structure, the driving mechanism is arranged in the shell, and an output shaft of the driving mechanism penetrates through the end face of the shell; the output flange is arranged outside the shell, and the output flange is connected with an output shaft of the driving mechanism; the output flange is used for being connected with the first robot assembly, and the driving mechanism is used for driving the output flange to rotate so that the output flange can drive the first robot assembly to rotate. At least one first connecting structure is arranged on the outer side wall of the shell and used for being connected with a second robot assembly, and the included angle between the extending direction of the second robot assembly and the axis of the shell is larger than zero degree. At least one end of the shell is provided with a second connecting structure, the second connecting structure is used for being connected with a third robot assembly, and the extending direction of the third robot assembly is parallel to the axis of the shell. The joint module provided by the invention can be compatible with multi-direction installation.

The invention provides a stator assembly with adjustable stator blades. The stator assembly comprises a casing, a stator blade and an adjustable stator blade, the inner ring is arranged in the casing, and a plurality of first mounting holes are sequentially formed in the inner ring around the axial direction of the stator assembly; the adjustable stator blades are in one-to-one correspondence with the first mounting holes, each adjustable stator blade comprises a blade body arranged between the casing and the inner ring and a first mounting shaft connected with the blade body, and at least part of each first mounting shaft is arranged in the corresponding first mounting hole; a guide hole part is arranged on the side, close to the blade body, of the first mounting hole, and the hole diameter of the guide hole part is increased in the direction close to the blade body. A guide shaft part is arranged on the side, close to the blade body, of the first mounting shaft, the shaft diameter of the guide shaft part is decreased in the direction away from the blade body, and the guide shaft part is mounted to the guide hole part. In this way, the assembling efficiency of the stator assembly can be improved, the assembling cost of the stator assembly is reduced, and the assembling quality of the stator assembly is improved.

This specification discloses a heat dissipation system for an unmanned aerial vehicle (UAV), including a heat dissipation frame, an air duct cover, a cooling fan, and a dust filter. The heat dissipation frame is made of metal and includes a heat dissipation air duct body (with a first heat dissipation fin on its inner wall, overlapping the position of the air duct cover) and an outer mounting platform. The top is sealed by a first sealing gasket, and the bottom by a second sealing gasket, forming a sealed cavity. An air inlet is located at the front end of the heat dissipation air duct body, protected from water seepage by the sealing gasket. The air duct cover is fixed to the top of the frame by the sealing gasket, with a thermally conductive contact surface on its upper surface and a second heat dissipation fin on its lower surface, forming a heat dissipation path with the first heat dissipation fin. A dust filter is installed at the rear exhaust port of the heat dissipation frame, and the cooling fan is fixed to the air inlet, driving cool air to exchange heat through the two heat dissipation fins before exhausting it from the exhaust port.

The invention relates to a caliper assembling device which comprises a lower buckle feeding mechanism, an upper buckle feeding mechanism, a screw feeding mechanism, a rotating disc mechanism and an assembling mechanism, and the rotating path of the rotating disc mechanism sequentially passes through a lower buckle feeding station, an upper buckle feeding station and an assembling station; the lower buckle feeding mechanism is used for providing lower calipers to the turntable mechanism at the lower buckle feeding station; the upper buckle feeding mechanism is used for providing upper calipers to the turntable mechanism at the upper buckle feeding station; the screw feeding mechanism is used for providing screws to the screw taking station; and the assembling mechanism is used for transferring the screw at the screw taking station to the turntable mechanism at the assembling station, and assembling the screw, the upper calipers and the lower calipers. According to the caliper assembling device, automatic assembling of the calipers can be achieved, the assembling efficiency is improved, the assembling cost is reduced, and meanwhile the consistency of product assembling is guaranteed.

This invention discloses an integrated assembly system and method for modular layered parallel rubber bearings. The integrated assembly system includes a bearing and a constraint component for restricting deformation of the bearing. The upper and lower sides of the bearing are connected to an upper connecting structure and a lower connecting structure, respectively. The bearing includes multiple parallel layers and a connecting structure for connecting adjacent parallel layers. Each parallel layer includes multiple rubber module units, and the rubber module units between adjacent parallel layers are staggered. The constraint component is installed on the upper and lower connecting structures. The integrated assembly system of the modular layered parallel rubber bearings of this invention has a more reasonable ultimate failure mode, which can meet the dual vibration control requirements of high load-bearing capacity and low-frequency vibration isolation. At the same time, it can reduce steel consumption, simplify the integrated assembly process, and achieve bearing pre-tightening, large deformation limiting for seismic isolation, and tensile strength functions.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

This utility model discloses a gripping and rotating coordinated apple-picking end effector, installed at the end of a picking robotic arm, comprising a cylindrical housing, a linear motor, a transmission mechanism, and a gripper assembly. The transmission mechanism converts the linear motion output by the linear motor into linear and rotational motions. The gripper assembly opens and rotates via an upward motion, and closes and rotates in the opposite direction via a downward motion to twist and break the fruit stem. The transmission mechanism uses a pin sleeve in cooperation with a central groove shaft, and achieves step-by-step movement through a spiral groove and a limiting groove structure. The gripper assembly completes clamping and twisting through a guide ridge and a hinge seat. This design simplifies the drive structure, reduces costs, improves reliability and picking efficiency, and is suitable for apple picking scenarios with short stems and dense branches.

The utility model discloses a kind of multi-axis layered linkage blade lever for small circuit breaker, comprising: lever body, it is the special-shaped plate member of integrated molding;Main pivot hole, the lever body can rotate around the main pivot hole;First lateral transmission column, for cooperating with circuit breaker handle or superior linkage member;Second lateral transmission column, set in the middle pivot area;Third lateral transmission column;Wherein, the first lateral transmission column, the second lateral transmission column and the third lateral transmission column are layered arrangement along the lever body height direction, and form stepped overhanging structure in the lever body thickness direction, so that handle linkage member, blade driving member and spring energy storage member can be respectively located in different movement level.This multi-axis layered linkage blade lever for small circuit breaker integrates multiple components on a special-shaped plate lever body, with the characteristics of high part integration, good assembly precision and small movement interference.

The diaphragm electromagnetic valve claimed in the application comprises a coil framework, a magnetic conductor and a valve body, and a clamping positioning part is formed on the coil framework; the magnetic conductor comprises a first plate body, a second plate body and a connecting plate body, the connecting plate body is arranged between the first plate body and the second plate body and is connected with the first plate body and the second plate body respectively, wherein a clamping groove is formed on the first plate body, the first plate body is inserted into the clamping positioning part through the clamping groove, and the magnetic conductor is assembled and positioned on the coil framework in this way; the valve body is connected to the first plate body and abuts against the clamping positioning part to limit the position, so that the assembly and connection between the coil framework, the magnetic conductor and the valve body can be realized. In this way, the structure of the magnetic conductor is simplified, and the material cost and assembly cost of the magnetic conductor are reduced; moreover, the precise positioning during the assembly of the magnetic conductor and the coil framework can be realized, which is beneficial to the consistency of the diaphragm electromagnetic valve product.

The utility model relates to a kind of DC brush motor rotor cooling fan assembly components and motor, including rotor core, its end face is equipped with multiple assembly holes;Cooling fan, it includes installation base ring, the installation base ring is equipped with multiple protrusions that are evenly distributed along its circumference, the assembly hole is matched with the protrusion, multiple the protrusions are respectively inserted in multiple the assembly hole, and the assembly hole is matched with the protrusion interference fit.The utility model not only improves cooling fan positioning accuracy and connection strength, also reduces the assembly cost and difficulty of cooling fan.

The utility model relates to the technical field of sealing pipe, and disclose a new energy automobile battery cooling plate connecting sealing pipe structure, including the connecting seat of installation at the cooling liquid import and export department of battery cooling plate, the opening end of connecting seat is equipped with fixed pipe, and the opening end of fixed pipe is connected with infusion pipe through connecting pipe, the one end of connecting pipe away from infusion pipe extends to fixed pipe and is equipped with sealing joint, and the inner wall of one end of fixed pipe close to connecting seat has spherical surface, and the free end of sealing joint is ball head and is close to spherical surface, the one end of sealing joint close to connecting pipe is sealedly connected with the inner wall of fixed pipe through sealing washer, and the outer periphery of connecting pipe is fixedly equipped with fixed ring, the utility model discloses triple sealing mechanism of spherical surface sealing, sealing washer sealing combination mechanical locking, compared with traditional screw connection, can effectively reduce the leakage rate of cooling liquid, thereby satisfying the sealing requirement of high pressure cooling liquid environment.

The utility model discloses a small bus chamber of an indoor AC metal armored removable switch device, comprising a switch cabinet main body, the top of the switch cabinet main body is fixedly connected with a header plate and a trough plate, and the top between the header plate and the trough plate is provided with a cover plate. A space enclosed by a cabinet top plate, a header plate, a trough plate and a cover plate of the switch cabinet main body is a small bus chamber, the trough plate is provided with two jacks, the cover plate is fixedly provided with two steel rivets, the front surfaces of the two steel rivets are respectively inserted into the inner sides of the two jacks, and a bolt is in threaded connection between the cover plate and the header plate. Compared with a traditional structure with a hinge function, the structure has the advantages that two pairs of hinges and six sets of bolts are omitted for connection, or an original structure without the hinge function is omitted, labor force is greatly reduced in the aspects of assembly, wiring and maintenance, the assembly cost is reduced, and the structure is simple in the aspect of part machining; and the assembly is time-saving and convenient.

This application provides a beverage device, relating to the field of beverage equipment technology. The beverage device includes a frame, a brewing assembly, a liquid injection pipe, and a scraping assembly. The brewing assembly is mounted on the frame and includes a brewing chamber and a liquid injection hole, with the liquid injection hole communicating with the brewing chamber. The liquid injection pipe is located outside the brewing assembly, opposite to the liquid injection hole, and is movably connected to the frame. The scraping assembly includes a scraping rod and a transmission linkage. The scraping rod is located at the top of the brewing assembly and is used to push the extracted residue at the top of the brewing assembly out of the brewing assembly during rotation. One end of the transmission linkage is fixedly connected to the scraping rod, and the other end is drivenly connected to the liquid injection pipe. The transmission linkage is used to drive the scraping rod to rotate during rotation and to drive the liquid injection pipe to insert or remove from the brewing assembly, thereby connecting or separating the liquid injection pipe from the liquid injection hole. This beverage device has a simple structure, is easy to assemble, and has low cost.

This utility model belongs to the field of batteries, specifically a battery component and battery pack, overcoming the problem of excessive local heat at the terminals of individual cells in existing battery packs, leading to thermal runaway. The battery component includes a heat exchanger and individual cells; the heat exchanger includes a heat exchanger body; at least one cooling channel is formed on the heat exchanger body, extending along the length of the heat exchanger body and penetrating both ends of the heat exchanger body; an insulating layer is provided on the inner wall of the cooling channel, forming a cooling water flow channel; the insulating layer provides insulation between the cooling water and the heat exchanger body; the heat exchanger body is a conductor, connected to the polarity terminal of the individual cells, realizing parallel connection between the individual cells, and heat exchange is performed between the cooling water in the cooling water flow channel and the polarity terminal. The battery pack includes multiple battery components; the heat exchangers on each battery component are interconnected. Compared to insulating oil cooling, water cooling can better meet the efficient, economical, and environmentally friendly cooling requirements of battery systems.

The application provides a micro single-path electromechanical safety mechanism and a state conversion and excitation method. The safety mechanism comprises a shell, a cover plate, a coaxial conversion assembly, a power support assembly, a baffle igniter and an electrical interface assembly. The coaxial conversion assembly is rotatably installed in the shell and is integrated with a micro electric exciter, a magnetic steel, a limiting block and an angle sensor; the power support assembly comprises an electromagnetic drive unit and a magnetic guide element, and when powered, the coaxial conversion assembly is driven to rotate, and when powered off, the coaxial conversion assembly is locked by a static magnetic torque; the limiting lug of the limiting block cooperates with the bottom plane of the shell to limit the rotation range of the coaxial conversion assembly to 0°-90°; at the first limit position, the energy output end of the micro electric exciter is opposite to the input end of the baffle igniter; at the second limit position, the two are 90° spatially staggered to avoid accidental excitation and have high safety. The application has compact structure, small volume, light weight and simplified detonation sequence.