317 results about "Bimetallic strip" patented technology

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 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 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 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.

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 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 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 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.

The utility model provides a mechanical adjustable constant-temperature water mixing faucet which comprises an outer shell, an inner cavity is formed in the outer shell, a water mixing adjusting valve capable of rotating relative to the outer shell and a temperature controller capable of sliding in the outer shell are sequentially installed in the inner cavity, and a spiral bimetallic strip is arranged in the temperature controller. The sliding temperature controller enables the water mixing adjusting valve to be connected with the outer shell in a coupling mode, the temperature controller drives the water mixing adjusting valve to rotate to adjust the water inlet proportion of the water inlet pipeline based on deformation of the bimetallic strip, the water mixing adjusting valve and the spiral bimetallic strip are assembled and disassembled in a sliding connection mode, and a physical switching mechanism of a temperature control mode and a temperature adjusting mode is formed. The water temperature can be adjusted at will according to individual requirements of users within the allowable temperature range, and the water mixing adjusting valve is driven to rotate to control the inlet and outlet proportion of cold water and hot water based on thermal expansion of the bimetallic strip.

This utility model relates to the field of thermal protectors, specifically a high-current dual-control delayed miniature thermal protector, comprising an insulating base, an insulating cover, a first pin, a second pin, and a bimetallic strip. The bimetallic strip has a moving contact. The insulating cover is fixed to the insulating base and encloses it. The first and second pins are embedded within the insulating base. The insulating base is characterized by having a conductive plate, a heating wire, and a PTC thermistor mounted on it. The conductive plate has a stationary contact that mates with the moving contact. One end of the heating wire is electrically connected to the conductive plate, and the other end is electrically connected to the second pin. One end of the PTC thermistor is electrically connected to the first pin, and the other end is electrically connected to the conductive plate. When in use, this thermal protector can more promptly disconnect the circuit when the electrical load current in the circuit abnormally increases, effectively protecting the electrical appliances and preventing damage.

The utility model provides an isolating switch protective cover, which relates to the technical field of isolating switches, and comprises a ceramic protective resistance cover, the interior of the ceramic protective resistance cover is hollow, a bakelite ring is fixed in the middle between the inner walls of the ceramic protective resistance cover, a bakelite sleeve is fixed between the inner walls of the bakelite ring, and the inner walls of the bakelite sleeve are provided with a protective cover. The top of the bakelite ring is provided with a plurality of penetrating bayonets which penetrate through the bakelite ring to the bottom, bimetallic strips are clamped in the penetrating bayonets, the bimetallic strips are bent and deformed to push the baffle ring and the movable ring in opposite directions, and then the copper guide rod and the copper column are separated from each other, so that the purpose of cutting off a circuit is achieved, the service life of the circuit is prolonged, and the service life of the circuit is prolonged. And the connection between the copper guide rod and the copper column is located in the ceramic protective resistance cover, and electric arc generated during opening and closing cannot be leaked to the outside under the insulation effect of the ceramic protective resistance cover, so that the safety of external electric appliances and facilities is protected.

The utility model relates to the technical field of valves, in particular to a self-adaptive concrete circulating water cooling pipe connector which comprises a valve body, flanges are arranged on the two sides of the valve body, a main flow channel and a temperature measuring flow channel are formed in the valve body, and a valve element is arranged in the main flow channel. The opening degree adjusting assembly comprises a bimetallic strip valve control system and a valve locking system; the angle locking device is used for locking the opening and closing angle of the valve element when the flow speed exceeds a set value; the double-metal-sheet valve control system and the valve locking system are combined for use, when high-speed water flow impact is detected, mechanical braking is automatically triggered, and the position of the valve is locked within a short time; and meanwhile, through the arrangement of the disc-shaped bimetallic strip, deformation can be generated in time when the temperature changes, and the valve element is driven to rotate, so that the concrete circulating water cooling pipe joint can keep the set opening degree within the large flow speed range, and the impact resistance stability is good.

The utility model relates to the technical field of clothing labels, in particular to a liquid silica gel clothing trademark which comprises a base layer, a liquid silica gel film, a silica gel limiting layer, a thermal bimetallic strip and a hot melt adhesive layer, the liquid silica gel film covers the top face of the base layer, a gap exists between the liquid silica gel film and the base layer, and the silica gel limiting layer is located on the top face of the base layer and connected with the base layer. A gap is formed in the substrate layer, a gap matched with the gap in shape is formed in the silica gel limiting layer, the liquid silica gel film can extend outwards along the gap to generate elastic deformation, the gap is filled with the thermal bimetallic strip to be connected with the liquid silica gel film, and the hot melt adhesive layer is located on the bottom face of the substrate layer to be connected with the substrate layer. The three-dimensional degree of the mark / logo on the trademark can be changed according to different temperatures, the style and the structure of the trademark can be enriched, practical significance and popularization value are achieved, and it is expected that good economic benefits can be generated.

The utility model discloses a bimetallic strip temperature control positioning assembly relates to temperature controller technical field, including the assembling board, the top of assembling board is established with the assembling groove, the lateral surface of assembling groove is through with the through groove, and the lateral surface of assembling groove is established with the positioning groove of being located at the top of assembling board, the inboard of assembling groove is connected with the top plate, the lateral surface fixedly connected with the positioning plate of being located at the inboard of positioning groove of top plate, and the bottom fixedly connected with intermediate column of top plate, the bottom fixedly connected with temperature controller of intermediate column, the utility model discloses that the assembling groove is established at the top of assembling board, and the inboard of positioning groove that the inboard of assembling groove is established is connected with the positioning plate of top plate lateral surface, and the temperature controller is installed to top plate through intermediate column, and the bottom of temperature controller is equipped with bimetallic strip body, and the reset spring is established at the top of temperature controller, and the reset spring is connected in the limiting arc plate bottom of assembling groove inboard bottom, can make the positioning plate of top plate top firmly connect in the inboard of positioning groove.

The utility model relates to a double-gold wiring board welding tool. The technical problem to be solved by the utility model is to provide the double-gold wiring board welding tool. According to the technical scheme, the device comprises a main base, a wire clamping assembly and a bimetallic strip bearing base assembly, the bimetallic strip bearing base assembly comprises a main bearing block, a length adjusting assembly and a width adjusting assembly, and the length adjusting assembly comprises a length fine adjustment block and a length supporting spring. The width adjusting assembly comprises a width fine adjustment block and a width supporting spring, the length fine adjustment block comprises a length fine adjustment block locking part and a length fine adjustment block guiding protrusion, and a length fine adjustment limiting column is arranged at the side end of the length fine adjustment block locking part. The utility model has the advantages that the length fine-tuning block and the width fine-tuning block realize two-dimensional self-adaptive adjustment and are compatible with bimetallic plates with different sizes, so that the problem of clamping stagnation or swinging is solved; the length fine-adjustment limiting column controls the adjustment range, avoids excessive stretching and retracting, improves the action stability, and greatly improves the welding efficiency.

The invention aims to provide the capacitor which is convenient to combine, the circuit breaker is safe and reliable, and the capacitor can be quickly disassembled and assembled to realize quick reset. A PCBA terminal board is arranged on the lower shell, a circuit breaker is arranged above the PCBA terminal board, an upper shell is detachably installed on the upper portion of the lower shell, the circuit breaker is detachably installed on the inner wall of the upper shell, the circuit breaker can be taken out from the upper portion of the upper shell, a low-voltage capacitor unit is arranged on the lower portion of the lower shell and comprises a capacitor shell fixedly and detachably installed with the lower shell, and the capacitor shell is connected with the circuit breaker. The capacitor shell is provided with at least two capacitor modules, the capacitor modules are fixed on the drawer type slide rails, and the capacitor modules are provided with quick-plug conductive columns. Dual backup of mechanical bimetallic strip temperature protection and electronic protection is achieved, reliable action is achieved when the temperature reaches the preset temperature, response is rapid, and an overload, over-temperature and over-voltage comprehensive protection mechanism is achieved; rapid plugging and independent replacement of the capacitor module are realized, a drawer type slide rail structure is supported, and maintenance operation is facilitated.

The utility model discloses an internet switch with a fireproof arc breaking function, relates to the technical field of internet switches, and aims to solve the problems that a traditional internet switch has defects in the aspect of electrical safety protection, and particularly, a combustion risk is easy to occur under the condition that a circuit is overheated, so that potential safety hazards are caused. The device comprises a device body, a switch arc breaking mechanism and a fireproof mechanism, the upper end of the device body is provided with the switch arc breaking mechanism, and the lower end of the device body is provided with the fireproof mechanism; a bimetallic strip is arranged in the fireproof mechanism, when the temperature rises, the bimetallic strip is bent to drive the plug-in to move, and the circuit is disconnected; meanwhile, an elastic piece is arranged and used for resetting the plug-in when the bimetallic strip recovers the shape, so that the circuit is reconnected; according to the utility model, automatic disconnection and recovery of the circuit are realized through the thermal deformation characteristic of the bimetallic strip, fire hazards caused by overheating are effectively prevented, the safety and stability of the circuit are improved, and the circuit is suitable for various circuit control places requiring safety protection.

The invention relates to the technical field of thermal protectors, and discloses a self-adaptive reliable contact thermal protector which comprises a base, an insulating substrate, a bimetallic strip, an elastic piece, an overcurrent piece, a static contact and a moving contact. The elastic piece comprises a fixing plate, a placing plate, a first pressing plate and a second pressing plate which are integrally formed, the fixing plate is fixedly installed at the end, away from the insulating base, of the base, the first pressing plate, the placing plate and the second pressing plate are sequentially arranged at the end, facing the insulating base, of the fixing plate, and the first pressing plate and the second pressing plate are arranged at intervals. The tail end of the placing plate is bent to form a containing groove, the overflowing part is placed in the containing groove, two moving contacts corresponding to the static contacts are fixedly installed at the two ends of the side, facing the static contacts, of the overflowing part, and the first pressing plate and the second pressing plate can independently press the two ends of the overflowing part respectively. According to the thermal protector, under the condition that the distances between the two moving contacts and the corresponding static contacts of the thermal protector are inconsistent, the two moving contacts and the corresponding static contacts can be reliably contacted so as to switch on a circuit.

The application discloses a high-efficiency heat-dissipation electric actuator and relates to the technical field of energy-saving motors. The dynamic filling mechanism is arranged between the motor and the ring wall, the principle of the bimetallic strip changing the bending degree according to the internal temperature of the motor is used, the piston block is driven to move, the amount of the heat-conducting oil filled into the filling cavity is changed, the effective heat-conducting contact area between the motor end wall and the external ring wall and the heat-conduction efficiency are flexibly adjusted, the heat-dissipation capacity can be self-adaptively adjusted according to the real-time temperature in the motor under the condition that the motor constantly drives the water pump and the fan, the motor can be effectively ensured to work in the suitable temperature range, the problems of overheating damage, large starting resistance, low efficiency, condensation corrosion and the like are avoided, and the operation stability and the service life of the motor are remarkably improved.

The utility model discloses a water cup with a safety lock catch, which comprises a cup body and a cup cover, a first connecting part and a second connecting part are arranged on the cup body and the cup cover, the first connecting part is arranged on any one of the cup body and the cup cover, and the second connecting part is correspondingly arranged on the other one of the cup body and the cup cover. The first connecting part can be nested on the outer side of the second connecting part; a sliding groove is formed in the first connecting part, a button is arranged in the sliding groove in a sliding mode, a locking part matched with the sliding groove is arranged on the second connecting part, and the locking part can drive the button to move towards the outside of the first connecting part so that the button can be converted into a pressing state. The locking part is arranged on the cup body and inserted into the sliding groove to lock the cup body and the cup cover, the locking part can be driven to leave the sliding groove by pressing the button to unlock the cup body and the cup cover, a bimetallic strip is arranged on the sliding groove, and when the temperature in the cup body exceeds a preset threshold value, the bimetallic strip deforms and mechanically locks the button so that the button cannot be pressed.

The invention discloses a plug valve and a gas appliance. The plug valve comprises a valve body, a valve rod, a sealing piece and a flameout protection assembly. The valve body is provided with a valve port, and the valve rod can push the sealing piece to be away from the valve port. The flameout protection assembly comprises a first thermal bimetallic strip, the first thermal bimetallic strip is provided with a first end and a second end, the first end is connected with the valve body, and the second end is connected with the sealing piece; the first thermal bimetallic strip can drive the sealing piece to be far away from the valve port when being heated to bend and deform, and the first thermal bimetallic strip can drive the sealing piece to be close to and close the valve port when being cooled to reset. When the plug valve is applied, the first thermal bimetallic strip is matched with the sealing piece, so that gas circulation can be kept during working, gas is cut off for flameout protection when flames are extinguished, and the plug valve is simple in structure.

The present invention relates to the technical field of thermal runaway management for lithium-ion batteries, and more particularly to a method for detecting and locating overheating in lithium-ion batteries or battery packs using temperature sensors. The temperature sensor is based on a shape memory alloy or bimetallic strips. The lithium-ion batteries or battery packs are equipped with these temperature sensors and arranged in a matrix configuration, enabling detection and localization of overheated batteries within the pack. This method addresses the challenge of identifying overheating in large-scale battery packs and energy storage power stations, thereby improving the efficiency of detection and localization. It also facilitates timely identification and precise location of batteries that may be undergoing thermal runaway.

The invention relates to the technical field of aluminum single plate rolling mills, and discloses a rolling mill and method for manufacturing aluminum single plates, the rolling mill comprises a base and a roller machine frame, the left side of the top of the base and the bottom of the roller machine frame are fixedly installed, and a self-adaptive roller bending force compensation mechanism is arranged on the roller machine frame. According to the rolling mill and method for manufacturing the aluminum veneer, the temperature change of the bearing seat is sensed through the bimetallic strip, and a thermal displacement signal is amplified through a structure composed of the first rack, the first gear, the second rack, the third rack and the second gear; and finally, the output pressure of the first oil pressure pushing hydraulic cylinder and the second oil pressure pushing hydraulic cylinder is accurately adjusted by controlling the opening degree of a valve rod of the pilot-operated type hydraulic valve, so that self-adaptive control over the roll bending force of the supporting roll is achieved, the plate shape defect caused by thermal expansion of the working roll can be automatically compensated, the plate shape quality and flatness of the aluminum veneer are remarkably improved, and the service life of the aluminum veneer is prolonged. The problem of middle waves is effectively solved, meanwhile, the synchronism of roll bending force on the two sides is guaranteed through the hydraulic synchronous controller, and the rolling precision is further guaranteed.

The invention provides a metal middle core rod and a manufacturing method thereof, and belongs to the technical field of core rod machining. The metal middle core rod comprises a core rod body and a core rod head, the core rod head is arranged at one end of the core rod body, a stress reducing mechanism is arranged in the core rod body and comprises an air inlet channel, a first heat dissipation channel and a first channel, the air inlet channel is formed in an inner cavity of the core rod body and used for introducing high-pressure air, a spiral air return channel is further formed in the inner cavity of the core rod body, and the first heat dissipation channel is communicated with the first channel. And an exhaust nozzle is arranged on the surface of the core rod body, and the exhaust nozzle is communicated with the air return channel. According to the invention, the temperature in the temperature sensing cavity is gradually increased through the arrangement of the stress reducing mechanism, so that the bimetallic strip is deformed and bent downwards, the sliding plate and the cross are pushed to gradually move upwards, the first channel is gradually conducted by the first sealing plate, and the cooling liquid can enter the first heat dissipation channel for liquid cooling heat dissipation; the larger the cooling liquid flow in the first heat dissipation channel is, the heat dissipation effect is guaranteed, and the thermal stress on the surface of the core rod body is reduced.