746results about "Thermal switch details" patented technology

A temperature-dependent switch comprising a switch housing, a temperature-dependent switching mechanism, and a spacer element. The temperature-dependent switching mechanism is arranged in the switch housing and comprises a movable contact part, a bimetal element and a spring element. The switching mechanism is configured to switch between a low-temperature state, in which an electrical connection is established between first and second electrical terminals, and a high-temperature state, in which the electrical connection between the first and second electrical terminals is interrupted. The spacer element is arranged inside the switch housing between a lower part and a cover part. At least one section of the spring element is arranged between the spacer element and the switch housing and is fixed in position. At least one section of the bimetal element is arranged between the spring element and the spacer element and is supported on the spacer element in the high-temperature state.

A temperature-dependent switch, including a switching mechanism unit, and a switching mechanism housing including a first base body composed of electrically conductive material. The temperature-dependent switch further includes a switch housing having a second base body composed of electrically insulating material, in which the switching mechanism housing is arranged, wherein the switch housing includes a stationary contact part. The first base body of the switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite to the first housing side, and a housing circumferential side extending between and transversely to the first and the second housing sides. The first housing side includes an opening through which a movable contact part of the switching mechanism unit interacts with the stationary contact part. The second base body surrounds the first housing side and the circumferential housing side of the switching mechanism housing.

A compensation bimetal having at least two bends configured to reverse the direction of the compensation bimetal to form “S” curves is disclosed. The first end of the compensation bimetal is coupled with a differential lever while the second end is coupled with a tripping pin, and the length of the multi-metallic strip is greater than the distance between the differential lever and the tripping pin. The compensation bimetal may be bimetallic, trimetallic strip, or tetra-metallic. The compensation bimetal with the described configuration compensates for a greater range of ambient temperature fluctuations while preserving sensitivity to thermal tripping due to over-current conditions.

A device structure includes a first series connection of a first phase change memory (PCM) switch and a second PCM switch. The first PCM switch includes a first heater line, a first PCM line, and a first contact electrode and a second contact electrode located on the first heater line. The second PCM switch includes a second heater line, a second PCM line, and a third contact electrode and a fourth contact electrode located on the second heater line. The second contact electrode is electrically connected to the third contact electrode. The fourth contact electrode is electrically grounded. One of the first contact electrode and the second contact electrode includes an radio-frequency (RF) signal input port. Another of the first contact electrode and the second contact electrode comprises an RF signal output port. The device structure may function as a combination PCM switch that decreases noise level during signal transmission.

An overvoltage protection device having a casing with an internal space, an earth branch, a positive branch, and a negative branch that join. The device also has an earth connector, n1 positive connectors, n1 being greater or equal to 3, and n2 negative connectors, n2 being greater than or equal to 3.

The invention belongs to the technical field of industrial temperature controllers, and particularly relates to a full-automatic intelligent temperature controller, which comprises a wiring bottom box and an integrated top box, and is characterized in that the wiring bottom box comprises a bottom cover; the integrated top box comprises a top cover, and a temperature acquisition plate is mounted on the top cover; a movable wiring terminal and a fixed wiring terminal are installed in the bottom cover, and the movable wiring terminal and the fixed wiring terminal are respectively connected with the temperature acquisition board. When an electric appliance is short-circuited, the stepping motor drives the rotating disc and the sliding head to rotate, the insulating rod is separated from the moving contact, the moving contact is disconnected from the fixed contact under the action of the spring, then the electromagnet is reversely electrified, the electromagnet and the permanent magnet on the air cylinder repel each other, and the sliding head is separated from the rotating disc; when the temperature of the circuit drops, the stepping motor drives the turntable to rotate through the belt, and the sliding head is separated from the turntable, so that the temperature controller is in a disconnected state when the turntable rotates, and secondary damage of the electric appliance caused by automatic connection of the temperature controller after the temperature drops is avoided.

The utility model relates to a thermal protector which is fast in disconnection and strong in bearing capacity. The thermal protector is mainly used for over-temperature rise and over-current protection of a refrigeration compressor or other motors. The heating device comprises a pin, a cover plate, a movable contact spring, a bimetallic strip, a first static pin, a second static pin, a heating body, a third static pin and a base, the two ends of the heating body are welded to the first static pin and the second static pin respectively, one end of the movable contact spring is electrically connected with the first static pin, the other end of the movable contact spring is matched with the third static pin, the pin is electrically connected with the third static pin, and the bimetallic strip is arranged on the base. The heating device is structurally characterized in that a loading cavity used for installing the heating body is formed in the base, a limiting table used for placing the heating body is arranged at the bottom of the loading cavity, the heating body is a spiral heating body or a planar heating body, and when the heating body is the spiral heating body, the limiting table is of a plurality of semicircular protruding structures. When the heating body is a planar heating body, the limiting table is arranged to be of a structure with two strip-shaped protrusions.

The probe type adjustable temperature controller comprises a first support, a second support, an insulation column, a movable contact piece and a fixed contact piece, the insulation column is fixed between the first support and the second support, the movable contact piece and the fixed contact piece are fixedly installed on the insulation column, the fixed contact piece is fixedly provided with a fixed contact, the movable contact piece is provided with an elastic movable end far away from the insulation column, and the movable contact piece is provided with a movable end far away from the insulation column. The elastic movable end is fixedly connected with a second metal elastic piece, the second metal elastic piece extends towards the fixed contact and forms a contact end, the contact end is fixedly provided with a movable contact, and the movable contact and the fixed contact are oppositely arranged. The probe assembly comprises a high-expansion tube and a low-expansion core, and the high-expansion tube is provided with a fixed end and a detection end. The two rod pieces with different expansion coefficients are adopted and are the high-expansion pipe and the low-expansion core respectively, under the condition of temperature change, different length changes are generated between the high-expansion pipe and the low-expansion core, and temperature control can be effectively and stably achieved.

The invention discloses an electric drill motor overload protection device, and relates to the technical field of circuit overload protection, the electric drill motor overload protection device comprises an electric drill main body, the side part of the electric drill main body is provided with a driving module, the electric drill main body is internally provided with an overload assembly, the overload assembly comprises a hard through pipe and an elastic through pipe, and the hard through pipe and the elastic through pipe are internally provided with connecting wires in a penetrating manner; composite connecting pieces are assembled outside the sides, close to each other, of the two connecting rods; the whole composite connecting piece is of a double-layer structure, the inner layer is an electrified contact head used for achieving circuit conduction, the outer layer is an adsorption magnetic ring playing a role in adsorption and fixation, thermal expansion of the heat sensitive piece is a continuous process, but the action of triggering the upper inclined plate to move to disconnect the circuit is completed instantly, and therefore the heat sensitive piece is not damaged. The delayed process of temperature accumulation is converted into the instant action of mechanical triggering, so that the response of the protection device is quicker and more reliable, timely intervention can be performed when the temperature of the motor just exceeds the safety range, and the operation time of the motor at the dangerous temperature is effectively shortened.

The invention belongs to the technical field of power transformation cabinets, and discloses a power transformation cabinet with an in-cabinet environment monitoring function, which comprises a power transformation cabinet body, a monitoring assembly arranged in the power transformation cabinet body, and a detection assembly fixedly connected to the top of an inner cavity of the power transformation cabinet body, through cooperation of a monitoring assembly, a detection assembly, a moving assembly and other structures, secondary power failure is facilitated, gas in a plurality of supporting blocks expands when heated, then a round block is pushed to move in the direction of the moving assembly, and after the round block drives a first round rod to slide in a guide groove, limiting of a square block is relieved; the tension spring rod pulls the square block which is subjected to limit releasing to move downwards, then the square plate is driven to push a feeler lever of the second circuit breaker to move downwards, a tripping mechanism of the second circuit breaker is triggered, a power source in the power transformation cabinet body is cut off secondarily, and then the hidden danger of reignition caused by internal electric energy is thoroughly eliminated.

An arc bypass assembly for use in a circuit breaker includes: an arc chute including a base, two arc sides extending from the base, and a plurality of arc plates arranged within the two arc sides, the arc chute structured to dissipate an arc upon opening of primary contacts of the circuit breaker during a high current event; an arc horn extending outwardly from a first edge of the base of the arc chute toward a primary stationary contact coupled to a line-in conductor, the arc horn structured to attract the arc; and an arc bypass wire coupled to the base of the arc chute at one end and to a secondary stationary arm of the circuit breaker at another end, where the arc bypass assembly is structured to redirect a portion of current generated during the high current event to the load.

The utility model provides a quick-response over-voltage protection switch device. The quick-response over-voltage protection switch device comprises a main body, a base, an elastic disc, a sliding support assembly and at least one group of contact assemblies, the base is arranged at one end of the main body, and a channel is formed in the base; the elastic disc is clamped between the base and the main body and covers the corresponding end of the channel in a sealing manner; the sliding supporting assembly is clamped in the body in a sliding mode, one end of the sliding supporting assembly abuts against the elastic disc, and an elastic assembly is arranged between the other end of the sliding supporting assembly and the inner wall of the body. The contact assembly comprises a static contact and a movable contact, the static contact is fixed in the main body, the movable contact is fixed on the sliding support assembly and corresponds to the static contact, and the movable contact and the static contact can be connected / disconnected when the sliding support assembly slides back and forth in the main body. The high-temperature protection circuit is high in response speed and long in service life during use, and can be used for high-temperature protection.

The invention provides an overload protector and a socket, and belongs to the technical field of sockets. The overload protector comprises a shell, a first conducting strip, an overload protection piece, a second conducting strip, a reset rod and an elastic piece. The shell comprises a containing cavity, and the overload protection piece is located in the containing cavity and connected with the first conducting strip and the second conducting strip. The overload protection piece, the second conducting strip and the reset rod extend in the same direction. The reset rod is slidably connected with the shell, one end of the reset rod is located in the containing cavity and abuts against the elastic piece, and the other end of the reset rod is located outside the containing cavity. When the overload protector is changed from a normal state to an overload state, the overload protection piece and the second conducting strip are disconnected, and the elastic piece drives the reset rod to be inserted between the overload protection piece and the contact of the second conducting strip, so that a power supply is cut off. When the overload condition is eliminated, the user presses the reset rod, the reset rod is pulled away from the position between the overload protection piece and the contact of the second conducting strip, and the overload protection piece is reconnected with the second conducting strip.

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 relates to the technical field of thermal fuses, in particular to a thermal fuse, a carrier tape, an onboard, a protection device and a manufacturing method. The temperature fuse comprises a first electrode, a second electrode, a temperature sensing alloy and a shell. An accommodating space is formed in the shell; the first electrode and the second electrode are respectively provided with a first end part and a second end part which are opposite; the first end part of the first electrode and the first end part of the second electrode are oppositely arranged in the accommodating space at an interval; the temperature sensing alloy is positioned in the accommodating space and is electrically contacted with the first end part of the first electrode and the first end part of the second electrode respectively; through holes are formed in the positions, located at the first end of the first electrode and the first end of the second electrode, of the shell respectively. Through the arrangement, the product size is reduced while the welding quality is improved, and the stability and the performance of the product are effectively improved.

The present invention relates to the technical field of plug wire manufacturing, in particular to a temperature-controlled plug wire, which is connected by a three-pole plug and a cable. The cable is composed of a cable core and an insulating plastic sleeve. The cable core is bundled with a live wire, a neutral wire, a ground wire and a signal control wire. The live wire plug, the neutral wire plug and the ground wire plug are directly electrically conductive with the live wire, the neutral wire and the ground wire respectively. The temperature switch is hidden in the plastic insulator and is electrically conductive with the signal control line. With the assistance of a ceramic heat conductor, the temperature switch can indirectly sense the real-time temperature of the live wire plug and the neutral wire plug. During the use of the temperature-controlled plug wire, the temperature at the live wire plug and the neutral wire plug will be transmitted to the temperature switch in real time through the ceramic heat conductor. When the temperature rises to a preset temperature value, the temperature sensing element of the temperature switch is heated to generate internal stress and quickly actuates to open the contact, and the signal control line cannot form a current loop, so that the power supply to the cable core is interrupted due to being controlled by the power control box.

The invention provides a wiring terminal and a socket, and belongs to the technical field of sockets. The wiring terminal comprises a housing and a plurality of conductive members. The shell comprises a plurality of wiring holes and an accommodating cavity. And the accommodating cavity is communicated with a first wiring hole in the plurality of wiring holes. A first conductive member in the plurality of conductive members includes a first conductive sheet, an overload protection member, and a second conductive sheet. One end of the first conducting strip extends into the first wiring hole, and the other end of the first conducting strip extends into the accommodating cavity and is connected with one end of the overload protection piece. And the other end of the overload protection piece is connected with one end of the second conducting strip. The other end of the second conducting strip extends out of the accommodating cavity and is used for being connected with a plug bush assembly. When the wiring terminal is overloaded, the overload protection piece is disconnected with the first conducting strip or the second conducting strip, so that the power supply is cut off, and the possibility of danger is reduced. Therefore, the wiring terminal provided by the invention has an overload protection function, so that the safety of the socket can be improved, and the size of the socket is not increased.

The utility model belongs to the field of integration of heavy oil underground electric heating and temperature and pressure monitoring, and particularly relates to a heavy oil underground electric heating and temperature and pressure monitoring integrated cable which comprises a high-voltage conductor and a low-voltage conductor, the high-voltage conductor is a single-core high-voltage conductor, the low-voltage conductor is a three-core low-voltage conductor, and the high-voltage conductor is a single-core high-voltage conductor. The high-voltage conductor and the low-voltage conductor are sleeved with insulating layers. The high-voltage conductor is connected with the electric heater, the low-voltage conductor is connected with the temperature sensor and the pressure sensor, and two control switches are arranged at one end, far away from the electric heater, the temperature sensor and the pressure sensor, of the cable respectively and control the high-voltage conductor and the low-voltage conductor respectively. The heavy oil underground electric heating and temperature and pressure monitoring integrated cable is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

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.

The present disclosure provides a charged particle element and relates apparatus and methods. In one arrangement, the element comprises a beam manipulator configured to operate on a plurality of charged particle beams in a beam grid. The beam manipulator comprises a plurality of plates. Each plate has two surfaces and a plurality of apertures. The plates comprises at least one curved-surface plate with a curved surface. The curved surface faces a facing surface of an adjacent plate. Deflections are applied to beams by controlling a potential difference between the curved surface and the facing surface.

The invention relates to the technical field of current protectors, in particular to a current electrical appliance protector capable of repeatedly memorizing temperature, which is characterized in that a T-shaped core shaft in the prior art is improved into a cross-shaped core shaft, so that the movement stability of the whole core shaft is improved, and the movement distance of the cross-shaped core shaft in a ceramic tube is smaller than 0.5 mm, so that the movement range of the cross-shaped core shaft and a steel wire spring can be minimum; the fatigue degree of the steel wire spring is reduced, the stability and durability of a product are guaranteed, meanwhile, the cross-shaped mandrel is matched with the horn mouth sleeve installed at the bottom, one end of the cross-shaped mandrel can be supported, the cross-shaped mandrel is prevented from being scratched with the inner wall of the ceramic tube when moving, the current stability is improved, a fixed contact is omitted above the cross-shaped mandrel, and the service life of the product is prolonged. The inner end of the iron cap is directly conducted, the current conductivity is increased, the resistance value is reduced, the steel wire spring can be a three-jaw type sheet spring to increase the current conductivity, the current auxiliary flow is increased, and the product can be small in size and can adapt to high-current application at the same time.

This breaker (100) is provided with: a first terminal piece (1) that is connected to an external circuit; a second terminal piece (2) that has a fixed contact (21); a movable piece (4) that has an elastic part (43) and a movable contact (41), is connected to the first terminal piece (1), and presses the movable contact (41) to bring the movable contact (41) into contact with the fixed contact (21); a thermally-actuated element (5) that is in contact with the movable piece (4) and deforms as the temperature changes, thereby causing the movable piece (4) to transition from a conductive state to a cut-off state; and a resin base (7) for accommodating the first terminal piece (1), the second terminal piece (2), the movable piece (4), and the thermally-actuated element (5). The breaker (100) further includes a heat detection terminal (6) that protrudes from the bottom surface of the resin base (7), receives heat from the outside of the resin base (7), and transmits the heat to the thermally-actuated element (5).

An overvoltage protection apparatus (14) has at least one isolator apparatus (38) which is provided in a housing (50), a thermally conductive element (40), an operating element (42) for operating an indicator apparatus (44), and a locking element (58), wherein the thermally conductive element (40) is in contact with the housing (50). The operating element (42) is attached to the thermally conductive element (40) by means of the locking element (58) and the attachment is formed in such a way that the locking element (58) becomes detached from the thermally conductive element (40) and / or from the operating element (48) and releases the operating element (42) when a predetermined temperature at the locking element (58) is exceeded. The invention further discloses a modular overvoltage protection system (10).

The invention provides a power-off insulation protection device for new energy power generation equipment, and relates to the field of power generation, the power-off insulation protection device comprises a new energy power generator cabinet, the side wall of the new energy power generator cabinet is rotatably connected with a cabinet door through a hinge, the middle of the cabinet door is provided with a door lock, and the middle of the door lock is rotatably connected with a spring bolt; the device further comprises a switch box, a lock catch assembly, an automatic power-off component and a control mechanism. When the cabinet door is locked, the driving arm pushes the driving rod and the turning arm to push the pushing block, so that the pushing block abuts against the sliding block, a conducting strip on the side wall of the sliding block makes contact with a power supply plate to achieve power supply connection, after the spring bolt is unlocked, due to the fact that the pushing block is lifted, the sliding block loses extrusion force, the sliding block resets and is powered off, and the risk of electric shock is avoided; when the power supply circuit is overloaded, the heat conduction column is heated, the bimetallic strip is heated, the bimetallic strip is bent upwards, and therefore the jacking rod is pushed to ascend, the jacking rod can directly open the lock catch, and the power supply plate is made to be away from the conducting strip.

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.

This disclosure provides a circuit breaker and a method for operating the circuit breaker. The circuit breaker includes a first circuit breaker terminal (11) and a second circuit breaker terminal (12), a bimetallic strip (13), a first conductive wire (14), a switch (40) having a first contact (41) and a second contact (42), a triggering device (44) mechanically coupling the bimetallic strip (13) to the switch (40), a magnet (17), and a detection device (20) including a magnetic field sensor (21) configured to detect the magnetic field of the magnet (17). The first conductive wire (14) is electrically coupled to the first circuit breaker terminal (11) and the first contact (41) and is wound around the bimetallic strip (13). The magnet (17) is connected to at least one of the bimetallic strip (13), the triggering device (44), and the switch (40).

Temperature-dependent switching mechanism (12) for a temperature-dependent switch (10), comprising a temperature-dependent bimetallic disc (18), a temperature-independent spring disc (20), an electrically conductive contact part (22) on which the bimetallic disc (18) and the spring disc (20) are held captive, and a retaining ring (24) which has a base body (34) made of electrically conductive material and surrounds a circumferential edge (32) of the spring disc (20) and thereby holds the spring disc (20) captive.

The application discloses a thermal protector with a mounting structure and belongs to the technical field of electrical elements. Mainly comprising a thermal protector body, an installation ear which is installed on the thermal protector body, an installation hole is formed in the installation ear, an installation assembly which is installed on the installation ear, the installation assembly comprises a connecting seat, the connecting seat is installed on an external heat generator, a limiting groove is formed in the upper end of the connecting seat, the connecting seat is penetrated and installed on the installation hole, an installation sleeve which is installed on the installation ear, and installation seats are installed on the two sides of the installation sleeve. The thermal protector with the mounting structure can be quickly installed through the cooperation of the connecting seat and the installation sleeve in the installation assembly and the clamping of the limiting block on the locking rod and the limiting groove of the connecting seat, the step of screwing a bolt is omitted, and the problem that it is relatively inconvenient to install the thermal protector by using a bolt is solved.

This utility model relates to the field of circuit breaker tripping devices, specifically a circuit breaker tripping device with a temperature detection mechanism. It includes a front-mounted circuit breaker tripping panel, a main body for performing circuit breaker tripping operations on a switchgear, and a circuit breaker housing fixedly mounted on the outside of the front-mounted circuit breaker panel for mounting vacuum circuit breakers on both external sides. The circuit breaker housing has an internal cavity. This utility model includes an internal cavity, a built-in coil, a bimetallic strip, a thermal response spring, a push head, a circuit breaker guide rod, a first contact, and a second contact. When this circuit breaker tripping device is used, a sudden increase in switchgear power will be transmitted to the built-in coil in the circuit breaker housing via the vacuum circuit breaker. The power and the heat it carries will be simultaneously sensed by the built-in coil. At this time, the bimetallic strip in the built-in coil will transfer the high temperature to the thermal response spring. The thermal response spring expands due to heat, extending and retracting to push the push head and circuit breaker guide rod downwards.