587results about "Cooling bus-bar installations" patented technology

The invention relates to the technical field of bus ducts, and discloses an efficient heat dissipation bus duct with a waterproof function, which comprises an upper cover plate, a lower cover plate and conducting bars vertically arranged between the upper cover plate and the lower cover plate, the conducting bars are symmetrically arranged in groups, and a heat dissipation cavity is formed between the two groups of conducting bars; the upper cover plate and the lower cover plate are respectively provided with convection heat dissipation holes communicated with the heat dissipation cavity, and the convection heat dissipation holes and the heat dissipation cavity form an air convection air channel which is used for conducting convection heat dissipation on the conducting bar. According to the invention, the conductive bars are arranged at intervals to cooperate with the convection heat dissipation holes to form the convection heat dissipation cavity for the inner cavity of the bus duct, so that the efficient heat dissipation performance of the bus duct is ensured; through arrangement of the sealing strips and the hydrophobic protrusions, on the premise that the sealing performance of the conducting bar is guaranteed, water flow in the heat dissipation cavity can be prevented from flowing to gaps among the conducting bar, the inner heat dissipation plate and the cover plate, and the waterproof performance of the whole bus duct is improved.

The invention provides a bus duct temperature field dynamic regulation and control system based on edge calculation, and relates to the technical field of bus ducts. The bus duct temperature field dynamic regulation and control system based on edge calculation comprises a shell, an edge calculation gateway, a protection plate and a connector. The temperature data is processed in real time through the edge computing gateway, the temperature control response time is shortened to 200 milliseconds from 5 seconds of a traditional single-chip microcomputer, the problem of local overheating caused by response lag in the prior art is effectively solved, meanwhile, the TEC module, the phase change material and the air cooling structure are adopted for cooperative heat dissipation, the temperature control precision of a hot spot area reaches + / -0.5 K, and the temperature control accuracy of the hot spot area reaches + / -0.5 K. The safety of a power supply system is remarkably improved, an IP68-level sealing structure is formed by combining resin packaging with a high-thermal-conductivity insulating layer, heat balance is achieved through active heat absorption of a phase change material and active refrigeration of TEC in a completely closed environment, the defect that in the prior art, the protection level is insufficient (below IP54) due to forced air cooling is overcome, and the power supply system adapts to severe industrial environments such as humid and dusty environments.

The invention relates to the technical field of cable or wire installation, and discloses a bus duct, which comprises a shell, a heat dissipation plate and a conductor, and is characterized in that the shell comprises a top cover part, a partition plate part and a base part, the partition plate part is provided with a heat dissipation cavity penetrating through the upper side and the lower side of the partition plate part, the top cover part is provided with a first through hole, and the base part is provided with a second through hole; rainwater can pass through the first through hole and the second through hole; the heat dissipation plates are arranged on the two sides of the partition plate part, and two containing cavities are formed between the heat dissipation plates and the shell. The number of the conductors is four, the four conductors are divided into two groups and penetrate through the two containing cavities in a one-to-one correspondence mode, the two conductors in each group are the first conductor and the second conductor respectively, one side of the first conductor is attached to the heat dissipation plate, and one side of the second conductor is attached to the outer wall of the partition plate part; the shell further comprises grounding parts which are arranged at the two ends of the partition plate part and located between the two sets of conductors. The heat dissipation function of the bus duct can be improved, the use effect of the bus duct is ensured, and the bus duct is prevented from being damaged by rainwater.

A terminal block supports a bus bar connection portion as a connection portion between a plurality of bus bars. The heat transfer portion is attached to the terminal block body so as to be exposed on both sides in a Z direction from the terminal block body. The heat transfer portion allows the bus bar connection portion to be fastened to an end portion thereof on the Z+side. The protruding portion protrudes from the terminal block body in an X direction and can be fastened to the base. A heat transfer sheet being an insulator can be interposed between the heat transfer portion and the base. A bus bar other than the plurality of bus bars and a heat transfer sheet being an insulator can be interposed between the protruding portion and the base, in this order from the Z+ side.

The utility model relates to the technical field of bus ducts, and discloses a high-temperature-resistant flame-retardant bus duct structure, which solves the problem that rapid assembly of a bus duct is inconvenient to realize at present, and comprises a duct body, a cover plate is arranged at the top of the duct body, a fixing mechanism is arranged between the cover plate and the duct body, and heat dissipation ports are arranged at two sides of the duct body; according to the utility model, through the cooperation between the cover plate and the U-shaped plate I, the two abutting frames are respectively abutted against the tops of the two high-temperature-resistant partition plates, through the cooperation between the sliding sleeve, the sleeve plate and the movable rod I, when the handle is pushed, the sliding block I is convenient to slide along the connecting column, and through the cooperation between the movable rod II, the sliding block II and the U-shaped round rod II, the sliding block II can slide along the connecting column; the insertion rods are inserted into the insertion holes conveniently, the sliding sleeves and the sleeve plates are fixed conveniently through cooperation of the bolts and the screw holes, then the cover plate can be fixed to the top of the groove body, the busbar can be fixed in the groove body, and therefore rapid installation of the whole bus duct can be achieved conveniently.

The invention discloses a self-adaptive precise intelligent temperature control feedback system during operation of an enclosed bus, and relates to the technical field of power system equipment. The system is composed of a plurality of high-precision sensors, an intelligent central controller and an execution mechanism, wherein the high-precision sensors are distributed at key parts of an enclosed bus. The sensor collects multi-dimensional data such as bus temperature, environment temperature and current magnitude in real time and transmits the data to the central controller. The intelligent central controller uses an advanced algorithm to accurately analyze the current heating state of the bus according to the data, and then adaptively adjusts the execution mechanism. The system has adaptive capability, can automatically optimize a temperature control strategy according to the dynamic change of the working load of the bus, and always ensures that the bus runs in the optimal temperature interval. Compared with a traditional temperature control system, the temperature control precision is remarkably improved, the risk of faults caused by overheating of the bus is effectively reduced, the stability and reliability of power transmission are guaranteed, and the system has wide application prospects in the power industry.

The invention relates to the technical field of bus duct thermal protection, in particular to a bus duct thermal protection method and system based on intelligent monitoring, and the method comprises the steps: obtaining a packet loss delay bandwidth generation state label, calling an unstable link collection path node congestion rate port number to generate a scheduling table, collecting a temperature rise rate displacement, calculating a thermal slope and combining field disturbance to obtain a trigger value, and comparing thermal triggering with thermal accumulation to identify a high-temperature-sensitive section mark, and calling the mark to compare a cutoff threshold value to generate a starting result. By collecting multi-dimensional data such as packet loss, delay and bandwidth for dynamic analysis, the state of a communication link can be evaluated in real time, an unstable link can be found, an accurate triggering boundary value is generated by combining parameters such as thermal load, electric field intensity and harmonic waves, cooling or power-off protection is started in time by matching with a heat flow trend before a high-temperature-sensitive area appears, and the reliability of the system is improved. Response lag of a traditional technology is avoided, an intelligent response mechanism is innovated to achieve accurate and flexible thermal protection, stable and safe operation of equipment is guaranteed, and overheating accidents are reduced.

The invention discloses an electrical transmission member, an electrical transmission assembly, an electrical connection assembly and an electrical connection device. The electrical transmission member includes: a pair of conductors; and an insulator, wherein the pair of conductors are wrapped in the insulator. A cooling passage allowing a cooling fluid to pass through is formed in the insulator, and the cooling passage is located between the pair of conductors so that the pair of conductors can be cooled by the cooling fluid flowing through the cooling passage. The cooling passage is large in cooling area and high in cooling efficiency, so that the pair of conductors can be fully cooled by the cooling fluid flowing through the cooling passage, and the temperature rise of the electric transmission piece can be effectively reduced under the condition that the sectional area of the conductors is not increased.

The utility model discloses a dense bus duct connection splitter comprising a housing, two ends of the housing are fixedly connected with busbars, one side of the housing is provided with an access door, the outer wall of the access door is in threaded connection with a plurality of locking bolts, the top of the housing is provided with a first liquid collection box, and the bottom of the housing is provided with a second liquid collection box. A buffer protection mechanism is arranged between the first liquid collecting box and the shell and between the second liquid collecting box and the shell, an air inlet heat dissipation mechanism is arranged at one end of the inner wall of the shell, and a heat exchange cooling mechanism is arranged on the inner wall of the shell. According to the utility model, external airflow can be sucked into the shell through the air inlet heat dissipation mechanism, so that ventilation and heat dissipation can be carried out on the interior of the shell, airflow can circulate through the ventilation mechanism, and the heat dissipation effect is ensured; and by arranging the heat exchange and cooling mechanism, the interior of the shell can be subjected to heat exchange and cooling treatment through circularly flowing cooling liquid, and therefore the temperature safety of the interior of the shell can be further guaranteed.

An apparatus for connecting an electrical component to an insulated component to be electrically insulated therefrom includes an electrically insulating heat transfer unit for transferring heat between the electrical component and the insulated component to be electrically insulated therefrom; an attachment unit for attaching the electrical component to the electrically insulating heat transfer unit; and an electrically insulating support for arranging the electrically insulating heat transfer unit on the insulated component. The attachment unit is overmolded with the electrically insulating heat transfer unit. The electrically insulating support is arranged on the electrically insulating heat transfer unit in such a way that the electrically insulating support presses the electrically insulating heat transfer unit against the insulated component.

The utility model relates to a heat dissipation type bus duct which comprises a bus duct body, the bus duct body comprises a plurality of wire ducts, one or more buses are arranged in the wire ducts, heat dissipation grooves are arranged between adjacent wire ducts, the extension direction of the heat dissipation grooves is consistent with the extension direction of the wire ducts, and the heat dissipation grooves are not communicated with the wire ducts on the two sides. By arranging the heat dissipation grooves between the adjacent wire grooves, heat dissipation between the wire grooves can be achieved, the heat dissipation effect is better, heat generated by the buses in the wire grooves is difficult to accumulate, and use is safer.

A current busbar system is provided. The current busbar system includes a current busbar and a fluid dispenser. The current busbar is configured to connect at least one electronic device, and includes a first electrode, a second electrode, a partition, a first fluid channel, and a second fluid channel. The partition is disposed between the first electrode and the second electrode. The first fluid channel is adjacent to the first electrode. The second fluid channel is adjacent to the second electrode. The second fluid channel communicates with the first fluid channel. The fluid dispenser is connected to the first fluid channel.

The invention discloses an electrical transmission member, an electrical transmission assembly, an electrical connection assembly and an electrical connection device. The electrical transmission member includes: a pair of conductors having a flat shape and arranged to face each other at an interval in a width direction thereof; and an insulator wrapping the pair of conductors and forming a cooling passage, each conductor having two side surfaces facing each other in the width direction thereof, the cooling passage being located between the side surfaces of the pair of conductors such that the pair of conductors can be cooled by a cooling fluid flowing through the cooling passage. The cooling passage is large in cooling area and high in cooling efficiency, so that the pair of conductors can be fully cooled by the cooling fluid flowing through the cooling passage, and the temperature rise of the electric transmission piece can be effectively reduced under the condition that the sectional area of the conductors is not increased.

A thermal and mechanical management device for conducting heat from a hot source to a cold source in a gas insulated electrical switching gear comprising a heat pipe formed as a spring element and at least partially formed as an S-shaped spring element. The S-shaped spring element following a path comprising a first arcuate portion, a second arcuate portion opposing the first portion, and being framed by a frame bordered by both the hot source and the cold source. The arc measure of each of the first and second arcuate portions being at least 180 degrees.

The utility model discloses an insulated intensive bus duct, which comprises a device main body and a separation mechanism arranged in the device main body, the separation mechanism comprises placement bins, sealing plates arranged at two ends of the device main body and heat dissipation plates arranged in the placement bins, and a conductive plate is arranged in each placement bin. The placement bin is used for separately placing a plurality of current-conducting plates, and the heat dissipation plate is used for dispersing heat of the current-conducting plates; according to the utility model, if all the current-conducting plates are in contact, the temperature is further increased, so that a fire behavior is generated in the device main body, and when the plurality of current-conducting plates are separately placed, the influence on the current-conducting plates of other parts is very little when a fire behavior occurs in an independent part; and the placement bin can provide a layer of protection for the whole device main body, so that the fire resistance of the device main body can be improved, and meanwhile, the possibility of mutual power transmission can be reduced to the minimum by separately mounting the conductive plates.

A propulsion system for an aircraft can include an electric power source and an propulsion assembly having a propulsor. An electric power bus can electrically connect the electric power source to the propulsion assembly. The electric power source can be configured to provide electrical power to the electric power bus. An inverter converter controller can be positioned along the electric power bus and can be electrically connected to the electric power source at a location downstream of the electric power source and upstream of the electric propulsion assembly.

The utility model discloses a positioning plugging structure of a waterproof bus duct, comprising a bus housing, an upper side of the bus housing is provided with a plugging mechanism, an end portion of the bus housing is provided with a heat dissipation mechanism, the bus housing is internally provided with a bus main body, and an outer side of the bus main body is provided with a positioning mechanism; the inserting mechanism comprises an inserting seat, a reinforcing rib is arranged on the inner side of the inserting seat, an inserting positioning opening is formed in one side of the inserting seat, a positioning frame is arranged on one side of the reinforcing rib, and the position of the positioning frame corresponds to the position of the inserting positioning opening; through the designed sealing strip A, reinforcing ribs and a positioning frame, during use, the reinforcing ribs are used for reinforcing support, the positioning frame is used for positioning and mounting the plugging clamping seat, so that the plugging is more stable, the sealing strip B is used for sealing the joint of the connecting hole and the bus duct, and the sealing strip A is used for sealing the joint of the connecting hole and the plugging box; therefore, the sealing effect is better during connection.

The invention relates to the related technical field of bus ducts, in particular to a high-heat-dissipation-performance composite bearing assembly type intensive bus duct structure and a heat dissipation method thereof.The high-heat-dissipation-performance composite bearing assembly type intensive bus duct structure comprises two cover bodies and two side plates which are fixed to form an assembly frame used for fixing conducting bars, and further comprises plugging pieces movably arranged on the cover bodies, the cover body is provided with a blocking piece, the blocking piece is matched with an air inlet formed in the cover body, the blocking piece can be driven by a driving mechanism arranged in the assembling frame to switch the conduction state and the blocking state of the air inlet, and after external air enters the assembling frame through the air inlet, the external air passes through a heat dissipation air channel formed in the assembling frame and a through hole formed in the side plate; in the presence of thermal expansion, the pressure of the outer insulating part and the middle insulating part on the conducting bar is reduced, so that the heat dissipation between the conducting bar and the outer insulating part and between the conducting bar and the middle insulating part is facilitated, the heat dissipation efficiency can be effectively improved, the operation stability of the bus duct is ensured, and the risk of equipment failure is reduced.

The utility model discloses a dense bus duct convenient for wiring, which comprises a shell, a cover body is movably arranged at the upper end of the shell, a driving chamber and two moving chambers are arranged in the shell, a rotating rod is rotatably arranged in the driving chamber, one end of the rotating rod penetrates through the driving chamber and is fixedly connected with a rotating handle, two driving bevel gears are arranged on the rotating rod, and the driving bevel gears are fixedly connected with the rotating handle. A two-way lead screw is rotationally arranged in each moving chamber, a plurality of L-shaped fixing blocks are connected to the two-way lead screws in a threaded mode, one ends of the two-way lead screws extend into the driving chamber and are fixedly connected with driven bevel gears, and a plurality of fixing grooves matched with the fixing blocks are formed in the cover body; a plurality of moving grooves matched with the fixing blocks are formed in the upper end of the moving chamber, the cover body can be rapidly installed on the shell after the copper bar wiring is installed, the whole process can be completed without using a professional tool to screw a plurality of screws by a worker, and the wiring time is saved.

Power converter (1) with: a switching circuit (20); a capacitor module (3) which is electrically connected to the switching circuit; an auxiliary capacitor module (5) connected in parallel to the capacitor module; and a device housing (12) which contains the switching circuit, the capacitor module and the auxiliary capacitor module, wherein The capacitor module includes: a capacitor element (31), a capacitor housing (32) that contains the capacitor element, an encapsulation resin (33) that encapsulates the capacitor element in the capacitor housing, and a capacitor busbar (4) which connects the capacitor element to a power terminal of the switching circuit, wherein the capacitor busbar includes: an element connection section (41) that is connected to the capacitor element within the encapsulation resin, a connecting section (42) which is connected to the power connection outside the encapsulation resin, and a power supply connection section (43) which is connected to a power supply wiring (54) outside the encapsulation resin, wherein the power supply wiring is electrically connected to a DC power supply, wherein the capacitor busbar includes a DC path (44) which represents a current path between the terminal connection section and the power supply connection section, and the DC path is exposed to the outside of the encapsulation resin, the auxiliary capacitor module is connected to the power supply connection section of the capacitor busbar, the auxiliary capacitor module is detachably attached to the power supply connection section by means of a fastening element (11), and a fastening direction of a fastening element (135) that secures the auxiliary capacitor module and a fastening direction of the fixing element are the same.

The utility model relates to the technical field of bus ducts, and discloses a bus duct with a heat dissipation structure, which comprises a bus duct body, a top plate positioned at the top of the bus duct body and connecting modules positioned on two sides of the bus duct body, and one side, far away from the connecting modules, of the bus duct body is provided with a flow guide assembly in sliding connection with a chute. A through hole is formed in the side, close to the flow guide assembly, of the bus duct body, and a heat dissipation assembly is arranged on the side, away from the bus duct body, of the through hole. According to the bus duct with the heat dissipation structure, the sealing rubber strips are rapidly installed in the grooves, then the heat conduction plates and the through holes are arranged in an inserted connection mode, expansion buckles and positioning holes are matched to serve as matching components, rapid installation of the heat conduction plates and the bus duct body can be achieved, and then locking blocks and the expansion buckles serve as the matching components, so that the heat dissipation structure is formed. The heat conduction plate and the bus duct body can be quickly fixed, and the heat conduction plate and the bus duct body can be quickly disassembled when the heat dissipation assembly is cleaned in the later period.

The invention discloses a bus duct structure and an assembly method thereof, and the bus duct structure comprises a housing which is provided with at least one installation groove. The insulating layer is attached to and covers the inner surface of the mounting groove; the insulating layer is arranged in the mounting groove, the groove opening of the mounting groove can allow the connecting row to enter or exit from the mounting groove along the depth direction of the mounting groove, the connecting row is embedded in the mounting groove through the groove opening of the mounting groove, and the connecting row is in contact with the insulating layer in an attached manner. According to the bus duct structure and the assembly method thereof provided by the invention, the assembly steps can be effectively simplified, and the temperature rise can be reduced.

The present invention discloses a sliding rail mobile busbar structure, which relates to the technical field of busbars. It includes a protective shell, a sliding cover, a busbar and a fixed protection component. In the present invention, a conduction damping member is used to transfer the heat generated by the busbar to the adaptive baffle. The adaptive baffle generates corresponding bending deformation according to the amount of heat absorbed, so as to generate a gap of corresponding size at the heat dissipation port, achieving the purpose of self-adaptive heat dissipation according to temperature. The busbar is fixed by a fixing frame, and the vibration is transmitted to the conduction damper. Part of the vibration is absorbed through the deformation of the arc-shaped spring piece, reducing the vibration. The driving plate is used to drive the damping slider to reciprocate in the chute of the protective shell. The frictional force generated between the damping slider and the damping piece resists the movement of the damping slider, weakening the vibration amplitude of the damping slider, making the damping slider tend to be stationary faster, thereby quickly converting the vibration of the busbar, achieving the purpose of vibration reduction and noise elimination.

The invention relates to the field of laminated busbars, and provides a laminated busbar with a heat dissipation structure in order to solve the problems that an existing laminated busbar is low in heat dissipation efficiency, the temperature of the busbar is likely to be too high, the current-carrying capacity and the insulation performance of the busbar can be reduced, and the stability and the service life of a whole power electronic system can be possibly affected. Comprising a lamination main body, an insulation packaging layer and a heat dissipation pipeline. The laminated main body is formed by alternately overlapping a plurality of conducting layers and insulating medium layers, and the insulating medium layers are arranged between the adjacent conducting layers; the insulating packaging layer coats the outer surface of the laminated main body; the heat dissipation pipeline is embedded in the insulation packaging layer; the two ends of the heat dissipation pipeline extend out of the insulation packaging layer. According to the invention, the water cooling channel formed by the heat dissipation pipeline is directly contacted with the laminated main body, and the cooling medium can quickly take away heat, so that the heat dissipation bottleneck caused by traditional insulation film packaging is solved; the heat dissipation pipeline is embedded in the insulation packaging layer, does not occupy too much space additionally, and meets the installation requirements of high-power-density equipment.

The utility model discloses a connecting structure of a high-efficiency heat dissipation type bus duct, and particularly relates to the technical field of bus ducts, the connecting structure comprises bus ducts and a connecting mechanism connected outside the connecting end of the two bus ducts, the connecting mechanism comprises a first shell and a second shell which are symmetrically connected, two end parts of the first shell are provided with outer dislocation plates, and the outer dislocation plates are provided with inner dislocation plates. Inner staggered plates matched with the outer staggered plates in structure are arranged at the two ends of the second shell, fastening bolts are connected to the two ends of each outer staggered plate, and concave cavities are formed in the outer side walls of the first shell and the second shell. The outer dislocation plates and the inner dislocation plates are arranged, the outer dislocation plates at the two ends of the first shell and the inner dislocation plates at the two ends of the second shell are attached in a staggered mode, then the fastening bolts are screwed on to achieve locking, and therefore stable connection of the first shell and the second shell is kept. And the clamping structure is arranged to further maintain the stability of the connected ends of the two bus ducts after connection, so that the heat dissipation of the bus ducts is not affected, and the heat dissipation effect is improved.

The utility model discloses an efficient heat dissipation type insulation bus duct, which comprises bus duct side plates, a compression-resistant mechanism and heat dissipation fins, a bus duct cover plate is arranged at the top of the bus duct side plates, the compression-resistant mechanism is arranged on the top surface of the bus duct cover plate, flame-retardant partition plates are arranged on the inner walls of the bus duct side plates, and the heat dissipation fins are arranged on the inner walls of the flame-retardant partition plates. Cooling fins are arranged on the side walls of the two ends of the flame-retardant partition plate. According to the utility model, through the arrangement of the flame-retardant partition plate, the vent holes and the heat dissipation fins, the flame-retardant partition plate is provided with the plurality of vent holes, air circulation can be increased, heat dissipation is facilitated, the side walls of the two sides of the flame-retardant partition plate are provided with the heat dissipation fins, and the heat dissipation fins are designed to penetrate through the bus duct side plates to the outside, so that heat can be directly conducted to the outside of the bus duct; therefore, the combined use of the air holes and the heat dissipation fins can more effectively dissipate the generated heat, thereby reducing the temperature of the bus duct, and reducing the equipment aging and power loss caused by high temperature.

The utility model provides a novel intensive bus duct, which comprises a shell, connecting side plates, separators and busbars, the shell is provided with an accommodating cavity with two open ends, the accommodating cavity is divided by the separators to form a plurality of accommodating grooves, and the busbars and the accommodating grooves are arranged in a one-to-one correspondence manner to form an inner splicing type structure. A plurality of busbars can be integrally arranged in one shell, so that the space layout is optimized, the space utilization rate is improved, heat dissipation is facilitated, the performance of the bus duct is improved, and the service life of the bus duct is prolonged; the connecting side plates are oppositely arranged at the opening end of the shell, are used for protecting the joint part of the busbar, and are in nested connection with the bus connecting structure; the shells and the connecting side plates are integrally formed, so that the overall mechanical strength is improved, the shells of the two groups of bus ducts do not need to be manually aligned and fixed, the assembly process is simplified, the assembly difficulty and time are reduced, and the stability and reliability of the bus duct are improved due to the reduction of connecting points and the reduction of fault risks.

The invention relates to a cooling arrangement (1) with at least one busbar (2, 3) or with two busbars (2, 3), which are used in particular as electrical supply lines (8, 9) in an electrically powered motor vehicle, wherein the at least one busbar (2, 3) has a substantially flat contact area (4) on which at least one Peltier element (5) is arranged, wherein the respective Peltier element (5) has a first side (6) and an opposing second side (7) and two electrical supply lines (8, 9) to the Peltier element (5), wherein the first side (6) is arranged in contact with the busbar (2, 3), wherein a cooling element (10) is provided which is arranged such that the second side (7) of the Peltier element (5) is arranged in contact with the cooling element (10).

Welded connection arrangement (100, 200, 300, 400, 500, 600) for cooled power transmission from an electrical consumer to a storage medium, the welded connection arrangement (100) comprising: a tubular electrical line (110) configured to conduct current, the tubular electrical line (110) comprising a first end (110a) for electrical connection to an electrical load and a second end (110b) for electrical connection to a storage medium, and further configured to receive a coolant for cooling the tubular electrical line (110); an electrically conductive contact member (120) attached to a respective end (110a, 110b) of the tubular electrical conduit (110) for electrically contacting the tubular electrical conduit (110); and a closure plug (130) which is inserted into the tubular electrical line (110) at the respective end (110a, 110b) of the tubular electrical line (110) and is welded to the tubular electrical line (110) together with the electrically conductive contact part (120) in order to close the tubular electrical line (110) against the escape of coolant; wherein the electrically conductive contact part (120) is welded to the tubular electrical line (110) by means of the sealing plug (130) and thus hermetically seals the tubular electrical line (110) against coolant leakage.

The invention relates to the technical field of bus ducts, and particularly provides a sealing plate assembly of a heat dissipation type bus duct connection area, which comprises a top plate, a bottom plate and two side plates arranged oppositely, the two side plates are arranged between the top plate and the bottom plate, and the two side plates, the top plate and the bottom plate enclose to form a connection area outer cover space. The top plate comprises lap joint sections located at the two ends of the top plate and a middle section located between the two lap joint sections, and the two lap joint sections are in lap joint with the outer sides of the tops of the adjacent bus duct sections respectively. A heat transfer path is formed between the closing plate assembly on the outer side of the connection area and the adjacent bus duct sections, heat generated in the operation process of the connection area can be diffused to the adjacent bus duct sections, the heat diffusion range is enlarged, local gathering of heat near the connection area is reduced, and the service life of the bus duct is prolonged. And the heat dissipation capability of the connection area is improved, and meanwhile, the sealing protection requirement of the connection area is considered.