470 results about "Bimetallic strip" patented technology

The invention discloses a hot pressing device with a temperature control structure and a temperature control method, and belongs to the technical field of plywood processing, the hot pressing device comprises a rack, and hot pressing plates are uniformly arranged in the rack. The temperature control mechanism is arranged at the end of the machine frame, in the temperature rising process, according to the temperature difference and air pressure changes of the two ends of the interior of the first hollow pipe, movement of the piston can be controlled, the opening size of the flow dividing pipe is increased, the steam inlet amount is increased, and the hot pressing plate is rapidly heated; the temperature difference between the two ends of the first hollow pipe is reduced, the air pressure area is stable, a tension spring controls a piston to reset, stable air inflow is conducted on the flow dividing pipe, in addition, when steam exhausted by the flow collecting pipe is too high, due to deformation of a bimetallic strip, a partition plate can be controlled to move towards the interior of the flow dividing pipe, the air inflow amount is reduced, and therefore the temperature is prevented from being too high; and temperature control adjustment can be automatically carried out, the functionality of the device is improved, and the quality and speed of hot pressing are guaranteed.

The invention relates to the field of RTP pipelines, in particular to a large-diameter special composite RTP pipeline rapid installation device which comprises a first end, a second end, a limiting ring, a connecting device, a first circular ring and a second circular ring. A connecting ring is formed at the first end, and a first limiting groove and a second limiting groove are formed in the inner side and the outer side of the connecting ring correspondingly; a connecting cavity capable of being matched with the connecting ring is formed in the second end, the limiting rings are embedded in the inner side and the outer side of the connecting cavity respectively, the connecting devices are arranged on the first limiting groove and the second limiting groove respectively, magnets are arranged on the connecting devices, and the magnets on the first limiting groove and the magnets on the second limiting groove are opposite in magnetism. The first limiting groove is sleeved with the first circular ring, the second circular ring is arranged in the second limiting groove, the thermal bimetallic strips are arranged on the outer side of the first circular ring and the inner side of the second circular ring correspondingly, pipelines with pipe diameter differences can be rapidly connected under the eccentric condition, and the pipeline installation efficiency can be improved while the problem of uneven stress is solved.

The invention relates to the technical field of circuit breakers, and discloses a plastic shell type circuit breaker which comprises a shell, a tripping mechanism and a contact assembly, the contact assembly comprises a moving contact and a static contact, the plastic shell type circuit breaker further comprises an overload protection mechanism, the overload protection mechanism comprises a first bimetallic strip and a time delay assembly, the first bimetallic strip is vertically arranged, and the time delay assembly is arranged in the shell. The lower end of the first bimetallic strip is connected to the moving contact, the upper end of the first bimetallic strip corresponds to the tripping mechanism, the delay assembly comprises a displacement control module and a second bimetallic strip, the displacement control module is driven by thermal deformation of the second bimetallic strip, and a bending path of the first bimetallic strip is limited or released through displacement state switching, so that delay tripping judgment is realized. The invention provides a plastic shell type circuit breaker which can solve or at least alleviate the problems that a traditional circuit breaker is unreliable in time delay adjustment, prone to being interfered by environment temperature and poor in stability.

The circuit breaker comprises a shell, an operating mechanism and a bimetallic strip, the operating mechanism comprises a draw bar shaft, a jump pin, a lock catch, a draw bar and a draw bar spring, the draw bar spring is used for driving the lock catch to rotate in the hasp fit direction with the jump pin, the draw bar comprises a rotating part, a triggering part and a re-buckling part, and the triggering part and the re-buckling part are integrally formed with the rotating part. The draw bar shaft is sleeved with the draw bar through the rotating hole, the draw bar can rotate around the draw bar shaft and slide in the axial direction of the draw bar shaft, and the draw bar directly locks the lock catch through the re-buckling part; and the thermal adjusting knob is used for adjusting the distance between the touch piece and the triggering part of the traction rod by adjusting the displacement of the traction rod in the axial direction of the traction rod shaft. According to the circuit breaker, the draw bar for directly locking the lock catch is unlocked by the bimetallic strip, the draw bar shaft serves as a rotating shaft and a sliding guide shaft of the draw bar, the thermal adjusting knob directly adjusts the position of the draw bar to realize a thermal adjustable function, and the draw bar integrates the thermal adjustable function and the re-buckling and tripping functions.

The invention discloses an oil-immersed transformer cooling system, and relates to the technical field of transformers, the oil-immersed transformer cooling system comprises a transformer body, heat dissipation fins, an oil conservator, a forced convection mechanism and a spraying mechanism, the transformer body comprises an oil tank, a winding and the oil conservator; the forced convection mechanism comprises a fan, the air outlet end of the fan faces the cooling fins, and the fan is started by sensing the oil temperature through an oil temperature sensor. The spraying mechanism comprises a water tank, a water pipe, a nozzle and a water pump, the water pump is driven by a fan shaft, and a cavity is formed in the fan shaft and communicated with the nozzle; comprising an adjusting assembly, the adjusting assembly comprises a sensing part and an adjusting part, and the sensing part senses the environment temperature through a bimetallic strip and drives the adjusting part to dynamically adjust the opening degree of a water inlet of a water pipe. The problems that in the prior art, due to the high environment temperature, the temperature difference between fins and the environment is reduced, and the heat exchange efficiency is affected are solved. The LED lamp has the advantages of being capable of adapting to the environment temperature, saving energy, dissipating heat efficiently and the like.

The invention relates to the technical field of low-voltage electric appliances, and particularly discloses a bimetallic strip detection device and a detection method. The bimetallic strip detection device comprises a bottom plate, a first mounting seat, a displacement detection piece, a second mounting seat, a thrust detection piece, a driving mechanism and a control system. The first mounting seat is arranged on the bottom plate and is provided with a bimetallic strip fixing part and a displacement detection piece close to an active layer of the bimetallic strip; the second mounting seat is slidably connected to the bottom plate to get close to or away from the first mounting seat; the thrust detection piece is arranged on the second mounting seat and is close to the passive layer of the bimetallic strip; the driving mechanism is connected with the second mounting seat; and the control system can receive the displacement transmitted by the displacement detection piece and the thrust transmitted by the thrust detection piece, and control the driving mechanism to drive the second mounting seat to move according to a preset mode. The bimetallic strip detection device can simultaneously detect the displacement and thrust of the bimetallic strip under a specific current, and provides data support for design and inspection work of a circuit breaker.

The invention discloses a circuit breaker switch and intelligent detection system with real-time detection, which comprises a circuit breaker body, a contact system, an arc extinguishing system and an operating mechanism are arranged in the circuit breaker body, the contact system comprises a moving contact and a static contact, the bottom of the moving contact is fixedly connected with a bimetallic strip through a soft connecting line, and the bimetallic strip is fixedly connected with the arc extinguishing system through the soft connecting line. The invention relates to the technical field of circuit breakers. According to the circuit breaker switch with the real-time detection function and the intelligent detection system, a bimetallic strip is connected to the bottom of a moving contact, one end of the bimetallic strip is connected with a connecting piece made of a copper-molybdenum composite material, a box body made of red copper is installed at the bottom of the connecting piece, tin-bismuth alloy is injected into the box body, a heat pipe is attached to the bottom of the box body, and heat dissipation fins are installed at one end of the heat pipe. And the copper-molybdenum composite material connecting sheet has extremely low thermal expansion and high thermal conductivity, so that the efficient transfer of heat can be ensured, and the influence of thermal expansion on the structural stability can be reduced.

The invention relates to the technical field of bearing machining, in particular to bearing outer surface grinding equipment for bearing machining and a using method, the bearing outer surface grinding equipment comprises a machine table serving as a mounting base, and a supporting plate is arranged on the machine table. According to the bearing outer surface grinding equipment for bearing machining and the using method, through the collaborative design of the bimetallic strip and the offset bush, heat transfer triggers the bimetallic strip to be heated and unfolded, the guide wheel is pushed to axially displace along the conical offset bush and achieve radial offset, the displacement amount for enlarging the grinding gap is in direct proportion to temperature rise, and the grinding efficiency is improved. By means of thermal induction linkage of the temperature guide pin, the thermosensitive liquid and the cylinder sleeve, the temperature guide pin is heated to promote the thermosensitive liquid to expand during thermal expansion of the workpiece, the supporting plate is pushed to automatically lift, so that a contact point of the workpiece moves upwards, an effective grinding gap is expanded in a disguised mode, and dual adjustment is formed with radial deviation of the guide wheel. The thermal expansion change of the workpiece is further adapted, and the grinding resistance and the workpiece damage risk are reduced.

The invention relates to the technical field of liquid cooling, and discloses a multiphase flow self-adaptive liquid cooling device for a server, which comprises a plurality of cold plates, the cold plates are internally provided with flow channels, the flow channels are internally provided with dynamic adjusting assemblies, the dynamic adjusting assemblies comprise a plurality of elbows, the elbows are fixedly connected to the interiors of the flow channels, and the elbows are fixedly connected to the interiors of the flow channels. A corrugated pipe is installed between every two elbows, a fixing ring is fixedly connected to the surface of each corrugated pipe, a rack driving part is fixedly connected to the surface of each fixing ring, when the GPU is in a high-temperature state due to local temperature rise, the bimetallic strip is bent due to expansion difference, the bending drives the driving gear to rotate, and through transmission of the gear driven part, the driving gear drives the bimetallic strip to rotate. The rack driving part drives the fixing ring to move, then the corrugated pipe is stretched, the inner diameter of the corrugated pipe is widened, the local sectional area of a flow channel is increased, in this way, the flow speed of cooling liquid is reduced, more cooling liquid can flow to a high-temperature area, heat is fully absorbed, and the problem that heat absorption of the high-temperature area is insufficient is effectively solved.

The invention relates to a rotation speed sensor automatic calibration system capable of increasing disturbance, which comprises a tested gear, a gear disc, a driving motor, a rotating shaft, a rotation speed sensor, a tachometer, a data acquisition unit, a main control unit and a disturbance applying mechanism, the disturbance applying mechanism comprises a synchronous ring body, a thermal bimetallic strip, a simulation tooth, a connecting rod, an electric control trolley, a locking mechanism, a heating piece, a first electric push rod and a first abutting plate, the heating piece can be brought to the inner sides of different storage grooves through the moving trolley, the heating piece emits heat to enable the thermal bimetallic strip in the storage grooves to deform, the simulation tooth is driven to be retracted into the storage grooves, and the simulation tooth is driven to rotate; a tooth missing state is simulated, when the main control unit sends a control instruction to the driving motor, the driving motor can drive the synchronous ring body and the tested gear to rotate through the rotating shaft, the synchronous ring body is in the tooth missing state and can apply vibration disturbance, and the rotating speed, collected by the rotating speed sensor, of the tested gear can be transmitted to the main control unit for comparison and calibration; the calibration accuracy can be improved by applying different disturbances.

The utility model discloses an overload protection switch, and belongs to the technical field of switches. The overload protection switch comprises: a housing; the ratchet wheel key assembly is arranged on the shell; one end of the elastic contact piece is installed on the shell, the other end of the elastic contact piece is provided with a contact part, and the contact part abuts against the ratchet wheel key assembly; the first end of the bimetallic strip is installed on the shell, and the second end of the bimetallic strip is provided with a static contact which is separably connected with the contact part; and the reset linkage piece is rotatably arranged on the shell, the reset linkage piece is provided with a connecting arm and a reset arm, the connecting arm is used for connecting the contact part, and the reset arm is used for connecting the second end of the bimetallic strip. The overload protection switch provided by the utility model has reliable overload protection performance and stable and reliable overload protection switch functions.

The utility model discloses a quick response type temperature fuse. The quick response type temperature fuse comprises a shell, a bimetallic strip, a tripping device, a first electrode, a second electrode and an electrical breaking device, wherein the bimetallic strip, the tripping device, the first electrode and the second electrode are arranged on the shell; the electrical breaking device is arranged between the first electrode and the second electrode in a bridging manner; the two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the utility model, advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, disadvantages of the two technologies are overcome, user experience is improved, and product performance is greatly improved.

The utility model discloses an overheating protection structure for a light storage inverter, which comprises a light storage inverter body, a temperature controller and an input lead, and the temperature controller is connected in series in the input lead. The temperature controller comprises an aluminum shell, a mounting seat, a cover plate, a pair of binding posts, a movable contact piece, a fixed contact piece, a push rod, a bimetallic strip and a limiting plate; a movable contact on the movable contact piece is elastically connected with a fixed contact on the fixed contact piece; the movable contact piece and the fixed contact piece are respectively connected to the cover plate through a binding post; one end of the push rod is fixedly connected to the bimetallic strip, penetrates through the middle part of the limiting plate and is pulled in the limiting plate or extends out of the limiting plate; when the bimetallic strip suddenly jumps towards the direction of the limiting plate due to high temperature, the push rod is pushed to extend out of the limiting plate and abut against the movable contact piece, so that the movable contact is separated from the fixed contact. The input lead forms an open circuit, and the optical storage inverter body does not have an input power supply and stops working. And no heat is generated. And the temperature of the optical storage inverter body is gradually reduced.

The invention relates to the technical field of protectors, in particular to a miniaturized high-voltage alternating-current protector which comprises a shell, an electromagnetic coil, a trigger switch, a connecting structure, an arc extinguishing gate, an arc extinguishing assembly, an adjusting assembly and a thermal bimetallic strip are installed in the shell, the trigger switch is installed at the end of the electromagnetic coil, and the connecting structure is connected with the arc extinguishing gate. The connecting mechanisms used for being connected with wires are located at the two ends of the shell, the arc extinguishing grid is installed at the electromagnetic coil, the arc extinguishing assembly is installed at the arc extinguishing grid, the adjusting assembly is located below the arc extinguishing grid, and the thermal bimetallic strip is installed at the trigger switch. And an arc bridge for transition from the magnetic quenching to the arc chute is synchronously constructed, so that the stability of arc transmission is improved.

The invention discloses a primary and secondary fusion ring main unit with an anti-condensation function, and relates to the technical field of ring main units, and the primary and secondary fusion ring main unit comprises a self-adaptive air duct switching assembly which is arranged at the back of a box cover and is provided with a thermal bimetallic strip, a straight rack, a lead screw, a threaded block, a gear and a plugging plate. The thermal bimetallic strip is arranged in the self-adaptive air duct switching assembly, the straight rack is connected with the gear in a meshed mode, the threaded block is arranged at one end of the lead screw in a threaded sleeving mode, the blocking plate is arranged on the side close to the threaded block, and the threaded block moves front and back at one end of the lead screw through meshing of the straight rack and the gear. The vertical ventilation slots are automatically closed through temperature rise, so that cold air in the region is prevented from entering the ring main unit body; in this way, the air flow mode can be improved, in a humid environment, closing of the vertical ventilation slots helps reduce moisture penetration, and meanwhile the needed humidity level is maintained by controlling the opening degree of the transverse ventilation slots.

The present invention discloses a double-sheet-metal structure for switches, and belongs to the technical field of switching equipment. The double-sheet-metal structure for switches includes a base, a main body and a fixed bracket. The present invention solves the problems of excessive deformation of the double sheet metal after a long time and difficulty in restoring the original state, achieving higher radian height of overall deformation of the double sheet metal and higher stability of current of the double sheet metal, and then realizing more excellent overall performance and more convenient operation.

This invention provides a bimetallic strip circuit disconnection control method and system, relating to the field of circuit protection technology. By acquiring the bimetallic strip deformation signal and calculating the difference, and combining different thresholds and durations for judgment, it distinguishes between instantaneous large fluctuations and continuous small faults, achieving accurate tripping and early warning. It has the advantages of effectively distinguishing between normal instantaneous fluctuations and continuous electrical faults, avoiding false tripping, and providing early warning, thereby improving the accuracy and reliability of circuit protection.

The invention relates to a fuse, in particular to a recoverable fuse based on bimetallic strips. Comprising a fusion tube, and a first connecting terminal and a second connecting terminal which are respectively arranged at two ends of the fusion tube and are respectively fixed at two ends of the fusion tube; one side of the first connecting terminal is provided with bimetallic strips with different thermal expansion coefficients, and the other end of each bimetallic strip can abut against the second connecting terminal; when short-circuit current passes through the bimetallic strip, the bimetallic strip is bent and is far away from the second connecting terminal, so that breaking of abnormal current is realized; and after the current and the temperature return to normal, the bimetallic strip automatically resets and abuts against the second connecting terminal. Compared with an existing fuse, after short-circuit current is broken and the current and the temperature are normal, the bimetallic strip can restore to the original position, a new fuse does not need to be replaced, the continuity of equipment operation cannot be affected, and the fuse can be suitable for severe environments such as high and low temperature and high humidity.

The invention discloses a novel magnetic drive pump which comprises a pump body, a pump cover is installed in the pump body, an isolation sleeve is arranged on the inner side of the pump cover, inner magnetic steel is installed in the isolation sleeve, a heat sensing assembly is installed in the pump cover, a self-adaptive turbulent flow assembly is installed in the heat sensing assembly, and a reset and early warning assembly is installed on the outer surface of the pump body. Through cooperative cooperation of the flow guide groove, the bimetallic strip and the inverted horn mouth in the pump cover, the flow guide plate is tightly attached to the groove wall under the normal working condition, a large-channel cooling flow channel with low flow resistance and high flux is formed, through mutual cooperation of the first heat absorption block and the bimetallic strip, when the local temperature rise exceeds a set threshold value, the bimetallic strip is heated to be bent, and the cooling effect is improved. And the flow guide plate is automatically triggered to swing, so that the flow guide plate applies high-frequency shearing and pulsation disturbance to the stagnant fluid by utilizing sawteeth at the tail edge and a plurality of turbulent flow convex blocks, a crystal attachment area is actively scoured, crystal scale expansion is effectively inhibited, and particles are promoted to be taken away by the fluid.

The invention discloses an efficient silicon controlled rectifier, and relates to the technical field of rectifiers, the efficient silicon controlled rectifier comprises a circuit board, a radiator is arranged at the top end of the circuit board, a placement bin is arranged at the top end of the circuit board, the silicon controlled rectifier is arranged in the placement bin, and a heat-resistant motor is arranged in the placement bin; the output end of the heat-resistant motor is in transmission connection with a speed change mechanism through a coupler, a bimetallic strip is arranged in the containing bin, and a push rod is arranged at one end of the bimetallic strip. The silicon controlled rectifier is pushed in along a sliding groove of a placement bin to complete installation, a toothed plate of the rectifier drives a gear to rotate, so that a first connecting rod pushes a second connecting rod to make contact with a power-on socket to achieve electricity conduction, and the temperature rises when the rectifier works; according to the structure, heat dissipation can be automatically adjusted according to the temperature, maintenance is easy and convenient, and a plurality of components do not need to be detached during replacement.

The utility model discloses an automatic plug-in installation subminiature temperature controller, which comprises a rubber shell, and a bottom plate, a bimetallic strip, a movable contact spring, a contact and an insulating seat assembly which are arranged in the rubber shell, the inner side of the rubber shell is provided with a first buckling part, one end of the bottom plate is connected with the bimetallic strip, the other end of the bottom plate is connected with the insulating seat assembly, and the bimetallic strip is connected with the insulating seat assembly. Second buckling parts are symmetrically arranged on the two sides of the insulating base assembly, the second buckling parts and the first buckling parts are connected in a buckled mode, and one end of the movable contact spring is connected with the bimetallic strip. By increasing the lengths of the first electrode and the second electrode, the first electrode and the second electrode can be directly inserted into the circuit board, and wire welding is avoided; and meanwhile, the internal device and the rubber shell are fixed by adopting a buckle type structure, so that dispensing fixation is avoided, the material cost, the labor cost and the management cost are reduced, and the manufacturing period of the product is shortened.

The present invention provides a thermal magnetic adjustable structure and a control and protection switch electrical appliance, which belong to the technical field of low-voltage electrical appliances. The thermal magnetic adjustable structure includes: a bimetallic strip; a transmission structure; a rocker arm, which is rotatably arranged on a bracket; the rocker arm cooperates with the transmission structure to transmit a tripping signal to a control protector; an adjustment component, which is arranged on the bracket; the adjustment component is connected to the rocker arm and drives the rocker arm to move and change the position of the rocker arm and the transmission structure; the thermal magnetic adjustable structure of the present invention can compensate for different displacement values caused by various comprehensive factors to the product at any time, fundamentally optimize the characteristic parameters of the calibration of the thermal magnetic module, greatly improve the efficiency of the calibration, improve the production efficiency of the product, and reduce the production cost.

The embodiment of the utility model provides a thermal tripping assembly and a circuit breaker. A first wire of the thermal tripping assembly comprises a first connecting end and a second connecting end. The first connecting end is electrically connected with the conductive piece. The bimetallic strip is disposed adjacent to the conductive member. The heating part of the bimetallic strip is electrically connected with the second connecting end to form a first conductive loop. One end of the first bimetallic strip is connected with the heating part, and the other end of the first bimetallic strip extends in the direction away from the heating part. The second bimetallic strip comprises a first end and a second end which are oppositely arranged. The first end is connected with the heating part. The second end is disposed adjacent to the conductive member. And the second bimetallic strip is suitable for deforming along with the temperature rise of the heating part, and the second end is suitable for being in contact with the conductive piece under the condition that the value of the current flowing through the heating part reaches a preset tripping current value, so that a second conductive loop is formed between the heating part and the conductive piece. The second bimetal strip is arranged adjacent to the first bimetal strip, and the first bimetal strip can be heated and heated under the condition that the second end is in contact with the conductive piece.

The application discloses a liquid cooling circulating battery box for a new energy vehicle and belongs to the technical field of new energy vehicles, which comprises a frame main body, which is installed at the bottom of the new energy vehicle through bolts; further comprises a main beam, which is installed inside the frame main body and is connected with the inner side of the frame main body through bolts at both ends; and four auxiliary beams, which are distributed on both sides of the main beam and are connected with the main beam through bolts at one end. When the temperature of the cooling medium in the cooling bin increases due to the increase of the heat load of the corresponding battery pack, the bimetallic strip is subjected to thermal bending deformation, the cooling bin is pressed downward, the corrugated pipe wall of the cooling bin is subjected to axial elongation deformation, the volume of the cooling bin is adaptively expanded, the flow area between the bottom of the cooling bin and the water inlet and the water outlet is increased, the mass flow of the water inlet into the cooling bin is increased, the heat dissipation capacity is adaptively increased with the temperature of the battery, and local overheating is effectively inhibited.

The invention discloses maintenance equipment of an Internet of Things server, and belongs to the technical field of Internet of Things tools. The temperature sensing mechanism comprises a panel arranged on the inner wall of the box body, an annular clamping groove is formed in the panel, a bimetallic strip is installed on the panel in a clamping and fixing mode, a passive layer is connected to the edge of the outer wall of the bimetallic strip, an active layer is connected to the passive layer in an integrally-formed mode, and the temperature sensing mechanism is arranged on the inner wall of the box body. A movable opening formed in the panel is formed in one end of the active layer, and the bottom of the active layer is connected with a pull rope through a lifting rod; the lifting rod is connected with a guide groove in the height direction of the sleeve on the panel, and one end of the pull rope is connected to the movable plate in a traction mode through a guide wheel. The technical problems that adaptive balance adjustment cannot be carried out on the temperature in the server, in the long-time working process of a ventilation opening of the server, particle impurities are prone to being blocked at a filter plate due to aggregation, and normal heat dissipation work is not facilitated are solved.

The invention relates to the technical field of temperature protector detection, in particular to a temperature protector critical flip acoustic feature detection method and system, and the method comprises the steps: obtaining an original sound signal of a bimetallic strip temperature protector; performing dynamic closed-loop suppression on the original sound signal to generate a sound signal after noise reduction; carrying out acoustic feature recognition on the sound signal, and generating an acoustic feature set representing bimetallic behavior characteristics; generating an acoustic parameter compensation variable according to the transmission process behavior of the sound wave in the high-temperature gas; processing the acoustic feature set and the acoustic parameter compensation variable based on a behavior recognition analysis process, and outputting an action feature sequence of the bimetallic strip temperature protector; and when the action characteristic sequence displays a continuous action characteristic state, confirming that the bimetallic strip temperature protector has completed critical overturning. According to the invention, the problems of critical upset misjudgment and incapability of analyzing the pre-upset energy storage process caused by thermal noise interference in a traditional electric heating detection method are effectively solved.

The utility model provides an automatic terminal assembly machine of a ship-shaped overload protection switch, which comprises a bimetallic terminal riveting device and an elastic sheet assembling and bending device, and is characterized in that the bimetallic terminal riveting device is used for riveting and fixing one end of a bimetallic sheet and a first terminal to form a bimetallic terminal assembly and conveying the bimetallic terminal assembly to the elastic sheet assembling and bending device; according to the elastic piece assembling and bending device, the other end of the bimetallic strip is fixedly connected with the elastic piece in an inserted mode, the elastic piece, the bimetallic strip and the first terminal form a first terminal assembly, and after the bimetallic strip is bent by a certain angle, the first terminal assembly and the base are assembled. Two core processes of riveting a bimetallic terminal and assembling and bending an elastic sheet are integrated into one device, so that full-process automatic production from parts to sub-assemblies is realized, the processes of riveting, inserting and bending are adopted, the inserting accuracy of the bimetallic sheet and the elastic sheet and the stability of a bending angle can be effectively ensured, and the production efficiency of the bimetallic sheet and the elastic sheet is improved. Therefore, the consistency of quality and performance of finally assembled products is ensured.

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

The utility model discloses an LED light source packaging structure, which relates to the technical field of illumination and comprises a substrate and a lamp wick arranged at the top of the substrate, and further comprises a packaging assembly, the packaging assembly comprises a support frame connected to the top of the substrate, a packaging plate is arranged at the top of the support frame, and sealant and a heat dissipation assembly are arranged at the joint between the packaging plate and the support frame. The heat dissipation assembly comprises a sleeve shell arranged at the top of the packaging plate, heat dissipation fins and a temperature control driving assembly are connected in the sleeve shell in a sliding mode, the temperature control driving assembly comprises a bimetallic strip arranged in the sleeve shell, a push rod is connected to the bimetallic strip, and the push rod is connected with the heat dissipation fins. The space contradiction of a traditional fixed heat dissipation structure is solved, the size is compact when the structure is not unfolded, and the structure adapts to portable equipment.