143results about "Contacts heating/cooling" patented technology

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 invention relates to a contactor (1) comprising a housing (2) and at least one connection contact element (3). This connection contact element (3) forms an external electrical connection (4) of the contactor (1) accessible from outside the housing (2) and extends from there to an electrical contact point (7) located inside the housing (2). The connection contact element (3) is designed as a heat pipe. The invention further relates to a motor vehicle with at least one such contactor (1).

To provide a conductor member with a cooling structure capable of improving the cooling efficiency of a conductor member.SOLUTION: A conductor member 1 with a cooling structure includes a conductor member 11, a refrigerant case 12 formed of insulating resin and provided with a pair of refrigerant inlets and outlets for allowing a refrigerant to flow in and out, and a heat transfer member 13 having a first portion 131 connected to the conductor member 11 and a second portion 132 connected to the refrigerant case 12 in a state of contacting the refrigerant inside the refrigerant case 12, thereby connecting the conductor member 11 and the refrigerant case 12 to each other and receiving heat generated in the conductor member 11 at the first portion 131 and transferring it from the second portion 132 to the refrigerant flowing inside the refrigerant case 12.SELECTED DRAWING: Figure 3

The invention discloses a circuit breaker, a control method, an electronic device, a power system and a storage medium. The circuit breaker comprises a moving and static contact assembly, a semiconductor cooler and a controller. Wherein the semiconductor cooler is arranged between two adjacent paths of moving and static contact assemblies, the semiconductor cooler is thermally coupled with at least two paths of moving and static contact assemblies, and the controller is configured to control the semiconductor cooler to cool the moving and static contact assemblies when the circuit breaker is in a specific condition. The semiconductor cooler can realize heat dissipation of the moving and static contact assemblies on the inner side of the shell, so that heat is prevented from being concentrated between the moving and static contact assemblies on the inner side of the shell, damage and aging of the circuit breaker are avoided, and the service life of the circuit breaker is prolonged.

The present invention relates to a heat sink (1) for cooling a circuit breaker (300), wherein the heat sink (1) can be positioned at a cooling position of the circuit breaker (300), wherein the heat sink (1) has at least one cooling region (111, 211) with a plurality of cooling pins (112, 212), wherein the cooling pins (112, 212) are arranged at least partially within a heat sink housing (110, 210) and wherein the cooling pins (112, 212) can be surrounded by a cooling gas from the outside.

A thermal management device 100 for a circuit breaker includes: a heat pipe having an evaporator section, an adiabatic section and a condenser section; a busbar having a first portion including at least a portion of the adiabatic section of the heat pipe; a conducting busbar having a first end, a second end opposite the first end and a groove disposed on a top surface of the conducting busbar, the first end disposed adjacent to primary contacts, the second end integrated in the first portion of the busbar, the groove extending from the first end to the second end and including the evaporator section and the at least a portion of the adiabatic section of the heat pipe embedded therein; and an array of fins integrated to the second portion of the busbar, the condenser section of the heat pipe extending through the array of fins.

A vacuum interrupter assembly (30) is provided. The vacuum interrupter assembly (30) includes an operating mechanism (32), a vacuum chamber (34) including a plurality of bellows assemblies (100), a conductor assembly (36) including a first contact assembly (150A) and a second contact assembly (160), the first contact assembly (150A) including a lead post (152) and a contact member (154), the first contact assembly lead post (152) including an elongated body (156), the elongated body having a first proximal end (157), a middle portion (158) and a second distal end (159). The first contact assembly lead post body (156) has a reduced length. The first contact assembly lead post body having a reduced length generates less heat and resistance.

The invention belongs to the technical field of low-voltage power distribution, and discloses a low-voltage annular moving and static contact assembly convenient to plug and unplug, which comprises a moving contact, a first housing and a second housing, a static contact is arranged at the left end of the moving contact, annular seats are fixed at the outer sides of a first support column and a second support column, buffer assemblies are fixed at the upper ends of the annular seats, and the buffer assemblies are fixed at the lower ends of the first support column and the second support column. A piston rod is fixed to the upper end of the supporting plate, a first air pipe is fixed to the upper end of the first housing, a second air pipe is fixed to the upper end of the second housing, and the inner wall of the first air pipe is in sealing fit with the outer wall of the second air pipe. The air in the air pipe can be compressed by utilizing kinetic energy generated when the drawer is inserted, the positions of the movable and static contacts can be limited, the movable and static contacts are prevented from shaking up and down in the buffer assembly, the compressed air can be released to contact points of the movable and static contacts at the moment when the movable and static contacts are in contact connection, and therefore electric arcs are lengthened and weakened to prevent fire disasters caused by the electric arcs.

Disclosed is a circuit structure with a new structure that can quickly reduce the heat generation of the connection part of a heat-generating component. The circuit structure (10) includes: a heat-generating component (12) that generates heat due to energization; an energization member (16) connected to the connection part (14) of the heat-generating component (12); a connection member (18) that connects the energization member (16) to the connection part (14); and a heat capacity increasing component (20) that makes thermal contact with the connection part between the energization member (16) and the connection part (14) to increase the heat capacity of the connection part (14) of the heat-generating component (12).

According to the technical scheme, the heat dissipation device comprises a shell, a fixing assembly, a connecting assembly and a cooling assembly, the fixing assembly and the connecting assembly are both installed in the shell, an opening is formed in the surface of the shell, the cooling assembly is installed in the shell and arranged at the opening, the connecting assembly comprises a connecting pipe, and the connecting pipe is connected with the fixing assembly. The circuit breaker contact is arranged in the connecting pipe, the cooling assembly comprises a fixing shell, a motor, an impeller, an outer cooling pipe and an inner cooling pipe, a storage bin used for containing cooling liquid is arranged in the fixing shell, the impeller is installed in the storage bin and connected with the motor, the storage bin is communicated with the inner cooling pipe, the inner cooling pipe is communicated with the outer cooling pipe, and the outer cooling pipe wraps the connecting pipe. According to the utility model, the cooling assembly with a water cooling function is adopted, and heat is quickly transferred by virtue of a good heat conduction effect of cooling liquid, so that the purpose of active heat dissipation is achieved.

A fusible disconnect switch device is provided. The disconnect switch includes a switch actuator, an actuator bias element, and a slider assembly. The switch actuator is selectively positioned between an opened position and a closed position. The actuator bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The actuator bias element and the slider assembly are responsive to the position of the switch actuator to effect a switch closing operation and a switch opening operation.

A heat dissipation member (100) has a base material (2) mainly composed of copper and a coating layer (3) covering the surface of the base material (2), the coating layer (3) has a ceramic layer (3S) mainly composed of an oxide of a metal element having a greater ionization tendency than copper, and has a diffusion layer (4) at the interface between the base material (2) and the coating layer (3) in which the metal element diffuses into copper, and the metal element is zinc or nickel.

The present invention relates to a three-position disconnector switch, comprising: an earthing contact (1), a power out contact (2), a power in contact (3), a piston (4), and a threaded rod (5). A length of the piston is such that in a first switch position an outer surface of a wall of the piston makes an electrical contact between the power out contact and the power in contact. The length of the piston is such that in a second switch position the outer surface of the wall of the piston does not make an electrical contact with either the earthing contact or the power in contact. The length of the piston is such that in a third switch position the outer surface of wall of the piston makes an electrical contact between the earthing contact and the power out contact. The piston comprises an inner threaded section (7) configured to engage with the threaded rod, wherein a length of the inner threaded section is less than the length of the piston. Rotation of the threaded rod is configured to engage with the inner threaded section to move the switch between the different switch positions.

The invention relates to a circuit breaker comprising:-a switching element (2); -a first terminal (1); -a second terminal (1); a heat sink (7); and-an air duct (8); wherein the switching element comprises two contacts, the two contacts are configured to be in contact with each other and can also be separated from each other, the two contacts are a fixed contact and a movable contact, and when the two contacts are separated from each other, the first terminal is electrically connected to one of the two contacts, and when the two contacts are electrically connected to the other of the two contacts, the second terminal is electrically connected to the other of the two contacts. The second terminal is electrically connected to the other one of the two contacts; wherein the heat sink is connected to the first part of the circuit breaker; wherein the first opening end of the air pipe is connected to the radiator, so that air leaving the radiator can enter the air pipe; and wherein at least a portion of the air duct is oriented vertically or oriented at an angle to the vertical direction.

To provide a conductive member with a cooling structure which can reduce the weight and the size.SOLUTION: A conductive member 1 with a cooling structure includes: a conductor plate 11; a groove member 12 which extends along a partial shape 11a of the conductor plate 11, has a shape such that a flow channel groove 121 constituting a part of a coolant flow channel 1a flowing a coolant therein is provided, and is formed of an insulating resin; a metal cover 13 that is a metal cover constituting a coolant flow channel 1a by blocking a groove opening 121a of the flow channel groove 121, and with which the conductor plate 11 is overlapped; a pair of coolant inlet and outlet 14 provided on the metal cover 13, and a heat transfer material 15 which is sandwiched between the metal cover 13 and the conductor plate 15, and is brought into close contact with the metal cover 13 and the conductor plate 11.SELECTED DRAWING: Figure 2

The application discloses a vacuum switch fluid heat dissipation device and method and a vacuum switch, relates to the technical field of high-voltage electrical apparatuses, and comprises a fluid circulation pipeline arranged in a static contact and a static guide rod; the fluid circulation pipeline is connected with an external circulation cooling system. By reasonably distributing the fluid circulation pipeline in the switch contact and matching the distribution characteristics of the high-temperature area of the switch contact, the fluid medium can be fully utilized for heat dissipation according to the temperature characteristic distribution of the switch contact, the high-temperature area of the switch contact can be favorably radiated, the heat dissipation area of the switch contact is larger, the heat dissipation efficiency is higher, and the influence of high temperature on the switch contact is avoided. The vacuum switch fluid heat dissipation device is applied to the vacuum switch, the switch contact in the vacuum switch is effectively cooled and radiated, the aging of the contact material and the guide rod material is avoided, the service life of the contact and the guide rod is prolonged, and the normal work and safe operation of the vacuum switch are ensured.

A gas-insulated switch includes: a heat generator that generates heat when principal current flows; and an electrical connector (40) that is a portion of electrical connection between a rod-shaped conductor and a cylindrical conductor forming a conduction path of the principal current, wherein the electrical connector (40) includes: a plurality of ring-shaped conductors (84a, 84b, 84c, 84d) placed between the rod-shaped conductor (88) and the cylindrical conductor (89), the plurality of ring-shaped conductors (84a, 84b, 84c, 84d) includes first ring-shaped conductors (84b, 84c, 84d) and a second ring-shaped conductor (84a), the second ring-shaped conductor (84a) being disposed at a position more distant from the heat generator than the first ring-shaped conductors (84b, 84c, 84d), and an insulating layer (85) is provided between the first ring-shaped conductors (84b, 84c, 84d) and the cylindrical conductor (89) or between each of the first ring-shaped conductors (84b, 84c, 84d) and the rod-shaped conductor (88).

The invention relates to the technical field of arc extinguishing protectors, in particular to a magnetic arc extinguishing protector which comprises a shell, an arc extinguishing cavity, a trigger cavity, a static contact, a moving contact, an arc extinguishing assembly, a magnetic assembly and a trigger assembly. Through cooperation of the arc extinguishing assembly and the magnetic assembly, when the moving contact and the static contact are disconnected, the displacement sensor enables the coil to be powered on and drives the piston to move towards the air outlet end of the air blowing pipe through the permanent magnet, and at the moment, under the action of the pressure cover, air in the air blowing pipe is blown out towards the contact after being pressurized; the stable state of an electric arc formed after the moving contact and the static contact are disconnected through gas blown out after pressurization is destroyed, and the temperature is reduced, so that the effect of arc extinguishing is achieved, the electric arc is not prone to reburning after the temperature is reduced, and in addition, a cooling device or a temperature controller does not need to be additionally arranged outside the protector. And the device can be more conveniently mounted on the new energy automobile.

An electrical connector (102) includes a housing (110) extending between a front portion and a rear portion. The housing has a chamber (140) at the rear. The housing has a terminal channel (116) between the front portion and the rear portion. A terminal (114) is coupled to the housing. The terminal includes a mating pin (200) at a front portion (210) of the terminal and a cable connector (202) at a rear portion (212) of the terminal. A mating pin is positioned in the terminal channel for mating with a charging connector. A cable connector is positioned in a chamber at the rear of the housing. A terminal heat exchanger (300) is positioned in the chamber. The terminal heat exchanger is thermally coupled with the cable connector of the terminal. The terminal heat exchanger has a spacer (308) that electrically insulates the terminal heat exchanger from the terminals.

The utility model provides a copper contact with an arc protection structure, which relates to the technical field of copper contacts and comprises a base, the top of the base is fixedly connected with a shell and a plurality of supporting rods, and permanent magnet rings are fixedly connected among the top ends of the supporting rods. The outer surface of the permanent magnet ring is fixedly connected with a spiral heat dissipation plate, a surrounding wire is spirally wound on the outer surface of the permanent magnet ring, one end of the surrounding wire is electrically connected with an output wire, and the other end of the surrounding wire is electrically connected with a receiving wire. According to the utility model, an external magnetic field is applied through the permanent magnet ring to change the path of an electric arc, so that the path of the electric arc deflects, the electric arc is easier to disperse and extinguish, and meanwhile, the electric arc can be guided to a heat absorption area at the spiral heat dissipation plate to absorb heat generated by the electric arc, thereby reducing the temperature of the electric arc and reducing the damage of the electric arc to a surrounding wire; therefore, the arc-proof effect is achieved.

To provide a conductive member with a cooling structure which can reduce the weight and the size.SOLUTION: A conductive member 1 with a cooling structure includes: a conductor plate 11; a groove member 12 which extends along a partial shape 11a of the conductor plate 11, has a shape such that a flow channel groove 121 constituting a part of a coolant flow channel 1a flowing a coolant therein is provided, and is formed of an insulating resin; a metal cover 13 that is a metal cover constituting a coolant flow channel 1a by blocking a groove opening 121a of the flow channel groove 121, and with which the conductor plate 11 is overlapped; a pair of coolant inlet and outlet 14 provided on the metal cover 13, and a heat transfer material 15 which is sandwiched between the metal cover 13 and the conductor plate 15, and is brought into close contact with the metal cover 13 and the conductor plate 11.SELECTED DRAWING: Figure 2

The invention discloses an arc extinguishing and fire suppression device for a ship power system, and relates to the technical field of power equipment, and the device comprises a moving assembly which is disposed in the power system; the fixed assembly is arranged corresponding to the movable assembly; the connecting joint is fixed at one end, opposite to the moving assembly, of the fixed assembly; the moving contact is fixed in the center of the interior of the moving assembly; the static contact is fixed in the fixing assembly and corresponds to the moving contact; and the arc extinguishing device is fixed in the connecting joint. The stop block is arranged, the distance between the contacts is rapidly increased, so that the electric arc is cooled and lengthened, the extinguishing of the electric arc is promoted, and the electric arc can be rapidly cooled, thermal dissociation is inhibited and the arcing time is shortened in cooperation with the arc extinguishing device.

A circuit breaker includes upper and lower terminals, a switching element, an insulation housing, a heat collector, and a heatsink. The upper terminal is connected to a fixed contact of the switching element. The lower terminal is connected to a moveable contact of the switching element. The insulation housing at least partially surrounds the upper and lower terminals, and the switching element. The heat collector is partially embedded within the insulation housing. The heat collector is separated from the upper and lower terminals, and the switching element. A surface of the heat collector facing outwards from the circuit breaker is uncovered and connects to the heatsink.

The invention relates to the field of electrical contacts, in particular to a power plant electrical contact connecting device which comprises a shell, a first control valve is mounted in each heat dissipation hole, fire extinguishing assemblies are symmetrically and fixedly mounted on the side wall of the shell, and a winding assembly is slidably mounted on the side wall of one side of the shell. By arranging the fire extinguishing assembly, when the shell is short-circuited, the current in the circuit is sharply attenuated, and the passing current amount of the electromagnet connected in the circuit in parallel is synchronously weakened, so that the magnetic attraction force between the electromagnet and the permanent magnet is weakened, and the permanent magnet is extinguished along with the weakening of the magnetic attraction force between the electromagnet and the permanent magnet; a first spring starts to extend and reset from an initial compression state to push a first piston plate to move downwards, so that the pressure intensity below the first piston plate is increased, and the dry powder extinguishing agent in the storage box is guided into a guide pipe along a wedge-shaped block and is sprayed out through a plurality of nozzles on the side wall of the guide pipe; and the fire between the moving contact and the static contact is extinguished in time.

A hybrid circuit breaker (1) comprises an electromechanical bypass switch (S1), a semiconductor circuit (5) connected in parallel with the electromechanical bypass switch (S1), and a control unit (CTRL). The control unit (CTRL) controls the commutation from a current path (4a, 4b) in which the electromechanical bypass switch (S1) is arranged to the semiconductor circuit (5) when the electromechanical bypass switch (S1) is open. In addition, the hybrid circuit breaker (1) includes an effective cooling device (F, 17) near the electromechanical bypass switch (S1) for cooling the movable elements (12, 15) of the electromechanical bypass switch (S1). Furthermore, a method for operating a hybrid circuit breaker (1) of the type described above and a type series of hybrid circuit breakers (1) having different rated current capacities and / or different current-time characteristics is disclosed.

The invention provides an electrical contact assembly. The electrical contact assembly comprises an electrical contact, a laminated soldering lug and a supporting piece, the laminated soldering lug is arranged between the electric contact and the supporting piece and is connected with the electric contact and the supporting piece in a welding manner; one side face of the laminated soldering lug is a first soldering face, the other side face opposite to the first soldering face is a second soldering face, the first soldering face is welded to the electrical contact, and the second soldering face is welded to the supporting piece; the laminated soldering lug is made of a layered composite material and comprises 2N + 1 material layers, the (2N + 1) th material layer in the laminated soldering lug is made of silver alloy, the 2Nth material layer in the laminated soldering lug is made of copper or copper alloy, and N is a positive integer greater than 0. According to the invention, through the technical means of setting the laminated soldering lug of the solder layer as the multilayer material layer, the temperature rise of the electrical contact assembly is reduced, and the problem of slippage failure of the electrical contact caused by resistance heat of the solder layer is avoided, so that the overload tolerance capability of a switching electric appliance product is improved, and the service life of the switching electric appliance product is prolonged.

The present invention relates to a circuit breaker, comprising: - a switching element (2); - a first terminal (1); - a second terminal (1); - a heatsink (7); and - an airduct (8); wherein the switching element comprises two contacts configured to be brought into contact with each other and configured to be separated from each other, wherein the two contacts are a fixed contact and a moveable contact, and wherein when the two contacts are separated from each other the first terminal is electrically connected to one of the two contacts and the second terminal is electrically connected to the other of the two contacts; wherein the heatsink is connected to a first part of the circuit breaker; wherein a first open end of the airduct is connected to the heatsink, such that air exiting the heatsink can enter the airduct; and wherein at least a portion of the airduct is oriented vertically or oriented at an angle to the vertical.

A relay device includes a first contact, a second contact, a first conductor, a second conductor, a housing, and a heat transfer member. The first contact and the second contact are switchable between a state of being close to each other and a state of being separated from each other. The first contact is electrically coupled at the first conductor. the second contact is electrically coupled at the second conductor. The housing accommodates the first contact, the second contact, the first conductor, and the second conductor. The heat transfer member is higher in thermal conductivity than the housing. The heat transfer member extends from outside the housing to inside the housing and is in contact with one or both of the first conductor and the second conductor.

The utility model discloses a moving contact piece, a contact assembly applied by the moving contact piece, and a load switch for a gas-insulated switchgear. The moving contact piece comprises at least two cutter bodies arranged in parallel, a connecting part is arranged in the middle of each cutter body, insulating assemblies are detachably arranged at the two ends of each cutter body, each insulating assembly is composed of a dish-shaped insulating piece, a threaded connecting piece and a fixing piece, and a hollow cavity is formed to enhance the insulating effect. Innovatively, the moving contact piece is further provided with a thermal shrinkage piece and a thermal expansion piece which are located on the outer side of the insulator and in the cavity respectively, and by means of the thermal expansion and cold contraction characteristics of materials, the length of the insulator is automatically adjusted when the moving contact is heated, the creepage distance is increased, and the insulation performance is improved. According to the contact assembly and the load switch provided by the utility model, the heat dissipation performance and the insulation performance of the moving contact piece are effectively improved by adopting the unique design of the insulation assembly, the thermal shrinkage piece and the thermal expansion piece. Meanwhile, the length of the insulator can be automatically adjusted when the moving contact is heated, the creepage distance is increased, and the operation safety of an electric appliance is improved.