624 results about "Heat Avoidance" patented technology

The invention relates to the technical field of hot riveting, and discloses split type hot riveting head modular hot riveting equipment which comprises an upper tool, a lower tool, a heating body arranged at the bottom of the upper tool, a plurality of hot riveting heads arranged at the bottom of the heating body in a linear array mode and a product arranged at the top of the lower tool. The two sets of detachable heating rods are arranged on the two sides of the heating body respectively, the three sets of thermocouples are arranged at the bottom of one side of the heating body, and the heat conduction unit is arranged on the hot riveting head. The heat conduction assembly, the reset assembly and the overturning assembly form a closed-loop action, a heat conduction plate preheats a metal sheet through a heat conduction ring, and infirm connection and deformation caused by temperature difference are avoided. Due to small deflection and overturning separation during hot riveting, heat interference and flash adhesion are avoided; after hot riveting, the material is reset and pushed to be stripped, pull wires are prevented from being pulled up, and a hot riveting head can be surrounded for heat preservation. The whole process does not need extra driving, product quality is guaranteed, takt time is shortened, and automation efficiency is improved.

The invention relates to the field of battery packaging, and particularly provides a packaging structure and method of a perovskite solar battery. A scribing groove is formed in a top electrode of a perovskite solar cell to be packaged, a transparent substrate is arranged at the bottom of the perovskite solar cell, the packaging structure sequentially comprises a first packaging layer, a second packaging layer and a third packaging layer from bottom to top, and a second packaging layer and a third packaging layer are arranged on the side periphery of the perovskite solar cell. The lower end of the second packaging layer and the lower end of the third packaging layer make contact with the transparent substrate, the first packaging layer is arranged in the scribing groove, the second packaging layer is arranged on the surface of the top electrode, the third packaging layer is arranged on the surface of the second packaging layer, and the elastic modulus of the first packaging layer is larger than that of the second packaging layer. According to the packaging structure, thermal stress can be absorbed and dispersed, thermal stress concentration is avoided, splitting is not likely to occur, and the packaging effect is good.

The invention discloses a battery thermal runaway protection device and an electric energy storage cabinet, and relates to the field of battery protection. By arranging the protection assembly, the battery which may be in danger can be quickly and reliably transferred out from the original position, the influence of the battery body which is in thermal runaway on the surrounding normal battery body is avoided, and a danger diffusion path is effectively cut off; a driving structure related to sliding of the explosion-proof box drives a rotating rod by means of a motor, and drives a positioning rod, a pushing strip and a pushing rod to move through meshing transmission of a driving gear and a fluted disc, so that the explosion-proof box is precisely pushed to slide in a through groove; when the thermal runaway battery body is transferred, the explosion-proof box can be timely moved to a proper position to receive the thermal runaway battery body, the whole process is quick in response and accurate in action, and the explosion-proof box is matched with a fixing groove and an internal structure for driving a tray to act, so that a complete and efficient battery thermal runaway protection mechanism is formed; and the coping capacity and the safety of the electric energy storage cabinet in the case of thermal runaway of the battery are greatly improved.

The invention relates to the technical field of transformers, in particular to a high-stability three-phase oil-immersed three-dimensional wound core distribution transformer which comprises a transformer body, the transformer body comprises a shell, insulating oil is contained in the shell, and a set of three-dimensional wound cores arranged in an equilateral triangle three-dimensional mode are arranged in the shell. The conveying mechanism is located in the center of the three three-dimensional wound iron cores, low-temperature insulating oil is driven by a spiral twisted blade arranged in a shaft pipe of the conveying mechanism to achieve directional conveying, the low-temperature insulating oil makes full contact with high-temperature insulating oil gathered in the middle of the iron cores to complete heat exchange, and accumulated heat in the centers of the iron cores is efficiently taken away; the lifting device dissipates heat, a dispersing mechanism is further arranged in a matched mode, thermal insulation oil gathered around the three-dimensional wound core can be screwed out, continuous retention of the thermal insulation oil around the three-dimensional wound core is avoided, the heat dissipation efficiency of the three-dimensional wound core is further improved, and directional accurate heat dissipation is achieved through cooperation of the conveying mechanism and the driving mechanism.

The infrared heating furnace device comprises an oven body, one side of the oven body is fixedly connected with an oven back plate, the side wall of the top end of the oven back plate is provided with an oven cover plate in a rotating mode, the side, close to the oven body, of the oven cover plate is fixedly connected with a second mirror face reflecting plate, the top face of the oven body is of an opening structure, and the top face of the oven body is provided with a second mirror face reflecting plate. The inner bottom surface of the oven body is fixedly connected with a heat insulation plate, the top surface of the heat insulation plate is fixedly connected with a first mirror surface reflecting plate, a plurality of infrared heating pipes are uniformly arranged above the first mirror surface reflecting plate, and two sides, close to two ends of the infrared heating pipes, of the first mirror surface reflecting plate are vertically and fixedly connected with two first reflecting side battens; according to the utility model, the tungsten filament can be subjected to infrared heating in the tungsten filament drawing process, the tungsten filament is heated by adopting the infrared heating tube, the temperature rise speed is high, the infrared heating tube, the second mirror reflector and the L-shaped mirror reflector are utilized to reflect a light source generated by the infrared heating tube, and the infrared light source can be fully reflected and utilized; and the phenomenon of heat energy waste is avoided.

The application discloses a quick-release type server liquid cooling circulation module and a locking structure thereof, relates to the technical field of servers, and comprises a server body, a liquid cooling circulation module and a mainboard. The liquid cooling circulation module is fixedly connected to the top of the server body. The liquid cooling circulation module is arranged. The thermal stress in the liquid cooling circulation module is subjected to layered elastic compensation. The dynamic adhesion stability and the heat conduction uniformity between the cold plate in the floating module and the CPU / GPU are improved. Meanwhile, the risk of interface loosening or leakage caused by temperature fluctuation and mechanical vibration is effectively inhibited. The long-term reliability and the thermal management efficiency of the system are enhanced while the quick-release convenience is ensured. The side branch mechanism is arranged. The circulation of liquid is realized through a multi-way valve and a side branch pipe. Even if the delivery channel of the liquid outlet pipe is cut off, there is still a minimum amount of coolant flowing through the cold plate in the floating module. The CPU / GPU is given valuable time for safe shutdown or switching to a backup path, and thermal runaway is fundamentally avoided.

The utility model discloses an energy-saving circulating spray sterilization machine, which relates to the technical field of spray sterilization machines, and comprises a base, an annular conveyor belt is arranged at the top of the base, and a disinfection box and a drying mechanism are arranged at the top of the base and outside the annular conveyor belt. And the drying mechanism is located on one side of the disinfection box, a second top plate is arranged at the top of the disinfection box, and a mounting groove is formed in the bottom of the second top plate. Hot water recycling is achieved through cooperation of the collecting hopper, the filter plate and the collecting box, waste of heat and water resources caused by direct discharging of the hot water is avoided, the heating mechanism in the collecting box only needs to supplement heat for backflow hot water according to needs, new water does not need to be continuously heated, and energy consumption is greatly reduced; and on the other hand, the telescopic flexible water pipe is matched with rotation and movement of the rotating frame, a long-distance fixed water pipe does not need to be additionally laid, pipeline heat dissipation loss is reduced, and the energy-saving effect is further improved.

The battery monomer comprises an electrode assembly and a temperature detection piece, the electrode assembly comprises a first pole piece, the first pole piece comprises a first current collector, the first current collector comprises a first coating part, the first coating part is provided with a first area and a second area, and the first area of the first coating part is provided with a first active coating; the temperature detection part is used for temperature sampling and arranged in the second area of the first coating part. Therefore, according to the battery monomer, the space for accommodating the heat-sensitive material layer is formed in the second area of the first pole piece, so that the heat-sensitive material layer can be prevented from protruding out of the first pole piece, the influence on the appearance of the electrode assembly is further avoided, and the temperature detection piece can be arranged at any position of the first pole piece; therefore, the temperature of different positions in the electrode assembly can be monitored, and the electrode assembly has flexible variability.

This utility model relates to a heat-insulating and heat-resistant ceramic tableware, belonging to the field of ceramic tableware technology. It includes a ceramic tableware body with an external heat-insulating structure. This heat-insulating structure includes a heat-insulating carrier slidably connected to the outside of the ceramic tableware body. This heat-insulating and heat-resistant ceramic tableware, by using a heat-insulating carrier, directly isolates the ceramic tableware body, preventing direct contact between the user and the tableware. Furthermore, the inclusion of a vacuum cavity creates a double-layer effect for the heat-insulating carrier, further enhancing the heat-insulating effect. Simultaneously, the inclusion of a heat-insulating pad prevents heat transfer to the table surface and provides a certain degree of anti-slip effect, thus achieving both heat insulation and heat preservation, slowing down the cooling rate of food inside the ceramic tableware.

The present application relates to a kind of electric tools for the live part of busbar insulation encapsulation, including insulated operating rod, still including encapsulation sleeve assembly, compaction component and execution component;The execution component is arranged at the end of insulated operating rod, and the compaction component is arranged on execution component;The encapsulation sleeve assembly includes heat shrink sleeve and the mounting piece on heat shrink sleeve, and the compaction component includes two insulation sleeve seats fixed on execution component, and the connecting piece for being inserted on mounting piece is arranged on two insulation sleeve seats, and heating strip is also arranged on two insulation sleeve seats, heat shrink sleeve is arranged between two insulation sleeve seats, and heat shrink sleeve is compacted on busbar and encapsulation is completed by the mutual extrusion of two insulation sleeve seats, can keep the stability of device while avoiding the problem of excessive heating time of heat shrink sleeve.

The invention discloses a four-phase composite ceramic heating element and a preparation method thereof, and relates to the technical field of ceramic heating materials, the composite ceramic heating element comprises the following components: 30%-40% of titanium diboride, 30%-40% of titanium carbide, 10%-28% of silicon carbide, 1%-12% of hexagonal boron nitride, 0.5%-3% of nano zirconium dioxide and 1%-4% of silicon nitride. A four-phase composite system of TiB2 (titanium diboride), TiC (titanium carbide), SiC (silicon carbide) and hBN (hexagonal boron nitride) is constructed, basic expansion reduction is achieved through the low expansion characteristic of SiC, thermal expansion mismatching stress between different phases is dispersed in combination with the interface regulation and control effect of an h-BN layered structure, compared with an existing ternary system, the minimum thermal expansion coefficient is reduced to 5.8 * 10 <-6 > K <-1 >, and the thermal expansion coefficient is reduced to 5.8 * 10 <-6 > K <-1 >. And the interfacial compatibility is remarkably improved, and thermal stress is prevented from being gathered at the interface.

The utility model discloses a kind of cathode heater subassemblies for klystron electron gun, it is characterized in that, including: cathode base, heater sleeve, heater and detachable heat shield assembly, the upper and lower two end surfaces of cathode base are respectively provided with emitting surface and mounting groove, heater sleeve is detachably fixed in mounting groove, and the end surface of heater sleeve back to cathode base is equipped with accommodating groove;Heater is installed in accommodating groove, and the part of heater in accommodating groove is wrapped with insulating layer;Heat shield assembly includes outer heat shield and inner heat shield, outer heat shield is sleeved in cathode base, and inner heat shield is installed in outer heat shield and covers heater sleeve and heater.The utility model can realize reversibility dismounting and maintenance, and heater material volatilization can be avoided directly deposited on the emitting surface of cathode base, help to maintain the emitting surface cleanliness of cathode base, to improve electron emission efficiency, high-temperature solder can also be reduced in use, reduce cost.

The utility model discloses a dynamic heat dissipation device coping with local temperature mutation of a cabinet server, the horizontal extension direction of a back plate of a cabinet is defined as an X direction, the horizontal extension direction of a side wall of the cabinet is defined as a Y direction, the height direction of the cabinet is defined as a Z direction, and the dynamic heat dissipation device comprises a Z-direction guide column, an X-direction guide rod, a fan and a plurality of temperature sensors; the bottom of the Z-direction guide column is rotationally sleeved with a bottom supporting foot, and the Z-direction guide column supports the X-direction guide rod in a lifting mode. A fan is horizontally supported on the X-direction guide rod along the X direction; and the temperature sensors are arranged at heat dissipation ports of a plurality of servers in the cabinet. According to the heat dissipation device, the heat dissipation module is designed to be of a flexibly movable structure, adjustment can be conducted according to the real-time change of server load distribution, and heat dissipation resources are optimally configured. According to the dynamic heat dissipation system, the heat dissipation efficiency can be remarkably improved, hot spot accumulation is avoided, energy waste can be reduced, and the green and energy-saving purposes are achieved.

The application relates to the technical field of heat dissipation devices, in particular to a high-power heat dissipation device which comprises a heat dissipation base plate, a heat dissipation fin is arranged on the heat dissipation base plate, a water pipe is arranged around the periphery of the heat dissipation fin and forms a closed water circulation channel, a micro water pump and a refrigerator are arranged on the water circulation channel and are connected with each other, and a power supply unit is electrically connected with the micro water pump and the refrigerator to provide working power for the two. Compared with the prior art, the heat dissipation device has the synergistic effect of heat conduction of the heat dissipation fin, active heat exchange of water flow and active cooling of the refrigerator, can greatly improve the heat dissipation efficiency, effectively avoid heat accumulation, prevent high-power equipment from performance decline or component aging caused by high temperature, and meet the demand of the high-power equipment for efficient heat dissipation.

The water-cooled furnace cover assembly comprises a furnace cover body, the furnace cover body comprises a plurality of cooling coils, and the two ends of each cooling coil are the water inlet end and the water outlet end respectively; the two cold conveying assemblies are a cold inlet unit and a cold outlet unit respectively and each comprise a water pump, a main pipe and a branch pipe. The switching assembly comprises a driving unit and a switching piece, the switching piece is provided with two switching channels with the inner diameter being the same as that of the cooling coil pipe, and the cooling coil pipe and the two switching channels define a cooling pipeline; the cleaning balls are arranged in the cooling pipelines in a one-to-one correspondence mode and comprise ball bodies and cleaning pieces. According to the water-cooled furnace cover with the uniform cooling function, cooling water is driven to flow in the cooling coil through the two cold conveying assemblies, the cleaning ball moves along water flow along the cooling coil, a water film and scale on the inner wall of the cooling coil are damaged through the elastic cleaning piece, the flowability of water near the pipe wall is guaranteed, too large thermal resistance and local overheating are avoided, and cooling uniformity is guaranteed.

A cooling device includes a tungsten alloy cooling pad (10), a first substrate (20), a second substrate (30) and multiple connecting columns (40). The tungsten alloy cooling pad (10) is used for being attached on the heat source (H). The first substrate (20) is parallelly superposed on the tungsten alloy cooling pad (10). The second substrate (30) corresponds to the first substrate (20) to be parallelly arranged. Each connecting column (40) is perpendicularly connected between the first substrate (20) and the second substrate (30). Each connecting column (40) is arranged in a matrix. Accordingly, the tungsten alloy cooling pad (10) can rapidly disperse and transfer the heat of the heat source (H) to the first substrate (20) and transfer to the second substrate (30) through each connecting column (40) for cooling to avoid heat accumulation leading to overheat.

The invention discloses a spinning forming device for a battery pole column, and relates to the technical field of spinning forming. The problem of process integration is solved. The device specifically comprises a conveying part used for conveying metal bars and a spinning part used for integrally cutting and spinning the metal bars, a high-frequency heating part used for heating the bars is arranged at a feeding port of the spinning part, and the spinning part is composed of two symmetrically-arranged supporting frames and three spinning rollers arranged in a triangular shape. The three spinning rollers are slidably connected to the inner wall of the supporting frame in the radial direction, and a cutter is arranged on the outer wall, located on the metal bar feeding side, of one spinning roller. By arranging the conveying part, the high-frequency heating part and the spinning part, conveying, heating, cutting and spinning of a metal bar are integrated, transfer is not needed, the whole machining efficiency is improved, meanwhile, due to the fact that the heating procedure is adjacent to the cutting and spinning procedure, heat loss can be avoided, and a certain energy-saving effect is achieved.

This utility model discloses an opening structure for a top cover, belonging to the field of heavy vehicle engine cooling. It includes a top cover plate with a ventilation structure. The ventilation structure includes ventilation holes on the surface of the top cover plate, and an air guide assembly is provided on the cover of the ventilation holes. The air guide assembly is open on one side. By providing a ventilation structure including ventilation holes, an air guide assembly, and a protective assembly on the top cover plate, the airflow direction can be changed by the air guide assembly, preventing hot air from directly flowing back to the radiator and improving heat dissipation efficiency.

This application provides a thermal runaway guidance system based on alternating positive and negative electrode arrangement and directional pressure relief, comprising: an outer isolator with a honeycomb-structured grid plate at one end, and a plurality of heat dissipation holes evenly distributed on both side walls of the outer isolator; an inner isolator disposed inside the outer isolator; a fire extinguishing box disposed inside the inner isolator, and a plurality of battery cells arranged inside the fire extinguishing box; the battery cells are arranged in an alternating positive and negative electrode staggered manner, the pressure relief valves of each battery cell face the same direction, and adjacent battery cells are connected by fuses; a heat-sensitive fire extinguishing mechanism is provided at the positive electrode connection of at least one battery cell; the battery cells are disposed in the mounting holes of the mounting bracket, and a plurality of evenly distributed pressure relief holes are provided at the end of the inner isolator near the grid plate. This system avoids the chain reaction caused by rapid heat transfer between battery cells during thermal runaway; at the same time, it ensures that the pressure relief direction is consistent, and the high-temperature and high-pressure gas is released regularly, preventing the spread of fire and preventing impact damage to surrounding structures.

The utility model discloses an aluminum alloy panel electric fireplace with a temperature control function, which comprises an electric fireplace body, a heating element used for heating is arranged at the inner bottom of the electric fireplace body, and heat dissipation grooves used for heat dissipation are arranged at the left end and the right end of the front end of the electric fireplace body. A temperature display controller for adjusting the temperature is installed at the upper end of the front end of the electric fireplace body, a water bin for controlling liquid to flow is installed at the top of the electric fireplace body, and a water injection opening for injecting liquid is formed in the middle of the top of the water bin. According to the aluminum alloy panel electric fireplace with the temperature control function, more stable heat release can be provided by controlling liquid heating and circulating flowing, then indoor air circulation can be achieved by controlling operation of a draught fan, and therefore air can be rapidly distributed to a whole room, meanwhile, heat can be effectively stored through liquid, and the temperature control function is achieved. And heat is prevented from being quickly dissipated, so that the set temperature is quickly reached.

The invention discloses an efficient hot-pressing compound machine for multi-layer fiber composite flannelette, and relates to the technical field of hot-pressing compound machines, the efficient hot-pressing compound machine comprises a bottom plate and a cooling assembly; a moving assembly is installed at the right end of the upper side of the bottom plate, two corresponding heating assemblies are installed on the front side of the moving assembly, rotating assemblies are installed in the heating assemblies, the heating assemblies are connected with the rotating assemblies, a filtering assembly is installed on the upper side of the heating assembly on the upper side, and a water injection assembly is installed on the upper side of the bottom plate; the cooling assembly comprises two connecting frames, a fixing strip, a first hydraulic rod, a supporting plate, a cooling pipe and a moving frame, the moving frame is fixed to the upper side of the connecting frame on the upper side, the first hydraulic rod is installed on the upper side of the fixing strip, closed heating can be conducted, heat energy loss is avoided, meanwhile, peculiar smell diffusion is avoided, and the service life of the cooling assembly is prolonged. Rapid cooling can be achieved, the machining efficiency is improved, and gaps can be flexibly adjusted according to requirements.

The invention relates to the technical field, in particular to heat supply equipment of an energy-saving wire drawing mechanism. The heat supply equipment of the energy-saving wire drawing mechanism comprises a heating box, a box cover is rotationally arranged at the top of the heating box, inlets and outlets are formed in the two sides of the heating box in the wire moving direction, heat preservation bases and heating coils are arranged, the heat preservation bases are symmetrically arranged in the heating box and the box cover, and the heating coils are arranged in the heat preservation bases. The heat preservation seat is formed by splicing a plurality of small heat preservation blocks, and the surface of the heat preservation seat is provided with lines with unequal looseness and density. Closed heating of the wire is achieved by embedding the heating coil in the heat preservation base, concentrated heating of the wire can be guaranteed only by controlling the size of the inlet and the size of the outlet to be proper, and excessive loss of heat can be effectively avoided.

The utility model provides a frequency conversion cabinet, which relates to the technical field of electronic information and comprises a power module cabinet and a control module cabinet, the control module cabinet is arranged on one side of the power module cabinet, the interior of the power module cabinet is divided into three layers, the lower layer of the interior of the power module cabinet is a lower-layer air inlet area, and the lower-layer air inlet area is a lower-layer air outlet area. The middle layer in the power module cabinet is a middle-layer power module area, the upper layer in the power module cabinet is an upper-layer air outlet area, and the lower-layer air inlet area, the middle-layer power module area and the upper-layer air outlet area are communicated. According to the utility model, the power modules are arranged in a concentrated manner and independent air ducts are designed to reduce cost, dustproof and inductor arrangement are reasonable to avoid heat interference, design is simplified, efficiency is improved, a complete heat radiation channel is formed, stable operation of the frequency conversion cabinet is ensured, service life is prolonged, and overall cost is reduced.

The invention discloses a chuck. The chuck includes a support disk, a support shaft, and a thermal isolator. The supporting disc is used for placing a test wafer. The supporting shaft is arranged below the supporting disc and used for supporting the supporting disc. The thermal isolation piece is arranged between the supporting disc and the supporting shaft. The chuck of the present invention can prevent heat from being transferred to the support shaft.

This invention relates to the field of injection mold technology, and particularly to a hot runner linked hot nozzle, comprising a hot runner plate, a support cylinder, a hot nozzle, a movable contact mechanism, a heat conduction mechanism, and a limiting and fixing mechanism. This invention solves the following problems existing in hot runner hot nozzles: the rigid contact between the hot nozzle and the gate is easily subjected to impact and wear during the opening and closing of the moving and fixed molds, leading to overflow when injecting molten plastic; after injection, a small amount of molten plastic remains between the injection end of the hot nozzle and the gate, easily causing gate blockage, and injection into the mold cavity can lead to product defects; this invention can control the contact between the hot nozzle and the gate to only occur during molten plastic injection, preventing rigid contact between the hot nozzle and the gate, effectively avoiding overflow caused by damage to the contact surface of the hot nozzle and the gate; this invention can conduct the heat of the molten plastic to the inside of the hot nozzle and the molten plastic between the bottom of the hot nozzle and the gate for heat preservation, preventing it from cooling and solidifying.

The utility model discloses a spinning assembly installation tool which comprises a handle. The supporting plate is arranged at the top of the handle; the clamping assembly is arranged at the lower part of the supporting plate; wherein the clamping assemblies extend into the two sides of the spinning assembly above the supporting plate after being expanded, and the spinning assembly is fixed after the clamping assemblies are reset. By means of the tool, the spinning assembly can be flexibly installed on the large-scale spinning equipment, use is more convenient, possible threats of heat to the human body are avoided, and safety is improved.

The invention belongs to the field of aero-engine rotor design, and provides an aero-engine two-dimensional thrust vectoring nozzle heat shield fixing and restraining structure which adopts a high-flexibility space curve notch design to actively control the rigidity of two dimensions of a bolt so as to release thermal deformation and avoid thermal damage to the structure caused by local overlarge thermal stress. And meanwhile, the material characteristics of metal rubber are used for improving the vibration absorption capacity of the aero-engine fixing and restraining structure, the problem that the vibration reduction capacity of an existing connecting structure is insufficient under airflow pulsation excitation is solved, and meanwhile the pulsation frequency band in the engine working condition is widened.

This utility model relates to the field of nut technology and discloses a split ball nut, including a ball nut and two reversers. Both reversers are fixedly installed inside the ball nut. Dustproof rings are installed at both ends of the ball nut. Five heat dissipation fins are fixedly connected to the lower surface of the ball nut. Each of the five heat dissipation fins has a coolant groove inside. A connecting pipe is fixedly installed at the right end of each of the five heat dissipation fins. Connecting grooves are formed on the far surfaces of the two dustproof rings. Felt rings are fixedly connected inside the two connecting grooves. The connecting pipes communicate with the interior of the five coolant grooves. A first connecting pipe is fixedly installed on the front surface of the frontmost heat dissipation fin. Through the circulation of the heat dissipation fins and coolant, efficient cooling is achieved, preventing thermal deformation and grease failure. The felt rings can absorb fine dust and retain grease, working in conjunction with the dustproof rings for more effective dust prevention, reducing wear on the ball nut and extending its lifespan.

The utility model relates to the technical field of cable laying, and discloses a multilayer cable laying device for electric power engineering, which comprises a lower bracket, an upper bracket and a middle bracket, the middle bracket is positioned between the lower bracket and the upper bracket, and the upper side of the lower bracket, the lower side of the upper bracket and the upper and lower sides of the middle bracket are all provided with placing grooves. Supporting pieces are installed in the containing grooves correspondingly, guide columns are installed at the two ends of the upper surface of the lower bracket correspondingly, annular clamping grooves are evenly formed in the circumferential sides of the guide columns in the axial direction, guide holes allowing the guide columns to penetrate through are formed in the ends of the upper bracket and the end of the middle bracket correspondingly, and a control assembly is installed on the upper side of the upper bracket. Arc-shaped clamping plates used for being connected with the annular clamping grooves in a clamped mode are installed at the two ends of the control assembly. According to the utility model, adjustment can be conveniently carried out when cables are increased or decreased, and the efficiency of repeated dismounting and mounting is improved; and the mode of separately installing the cables can avoid heat accumulation, facilitates heat dissipation of the cables, and can also avoid rapid aging of the cables.

The invention relates to the technical field of industrial cleaning, in particular to an annular pulse plasma cleaning device and method for a precise instrument. According to the technical scheme, the plasma cleaning device comprises a high-voltage pulse power supply, a host device, a supporting bracket and an object carrying platform, the high-voltage pulse power supply, the host device, the supporting bracket and the carrying platform are sequentially arranged from top to bottom; the host device comprises an air valve, an outer electrode, a diagnosis port, a cylindrical inner electrode, a conical inner electrode, a solenoid, a top flange, an insulating part, a sealing part and a control computer. High-density compact ring plasma clusters are adopted for pulse type directional cleaning, cleaning uniformity is improved, heat input is greatly reduced due to the instantaneous energy deposition characteristic, damage to heat-sensitive materials is avoided, the modular generator is compact in structure and convenient and fast to maintain, accurate positioning is achieved through cooperation with X-axis and Y-axis guide rails, and the service life of the modular generator is prolonged. The device is suitable for efficient cleaning of complex structures and stubborn pollutants.