56results about How to "Increase heat dissipation" patented technology

A solar panel assembly with a first group of spaced-apart solar energy collector modules and a second group of spaced-apart solar energy collector modules. The first and second groups lie in respective parallel planes, which define an air gap therebetween, and are staggered with respect to each other. The staggering of the groups allows for light not harvested by the first row to be harvested by the second row and provides a low dead-space characteristic for the solar panel assembly. The gap between the planes and the space between individual solar energy collector modules of a same group allow for improved heat dissipation in the modules and for the solar panel assembly to offer low resistance to wind.

The invention discloses a shaft-mounted brake disc module for a high-speed train. The module comprises brake discs, a support disc and a disc hub; two sets of brake discs are provided, are coaxially laminated on the disc surfaces on the two sides of the support disc, and are clamped and locked with the support disc through first connecting structures; the brake discs are composite material brake discs with smooth disc surfaces on two sides; heat dissipating structures are arranged on the disc surfaces on the two sides of the support disc, and are laminated with the brake discs to form heat dissipating channels; and a connecting flange is arranged on an inner ring of the support disc, and is fixedly sleeved with the disc hub through a second connecting structure. Compared with a traditionaloverall brake disc, the module has the characteristics of simple structure, reliable connection, high-temperature resistance, convenience to maintain, light weight and good braking effect, reduces the energy consumption in operation and braking of the high-speed train, realizes application of a composite friction material to a high-speed train braking system, and greatly saves the high-speed train company operation and maintenance costs.

The invention discloses a cooling type electrical cabinet with the adjustable inner space. The electrical cabinet comprises an electrical cabinet body. Through hole plates are plugged to the left and right side walls of the electrical cabinet body. Through holes are formed in the bottom wall of the electrical cabinet body. A first groove and a second groove are formed in the inner sides of the left and right walls of the electrical cabinet body respectively. A controller is arranged on the inner side wall of the top end of the electrical cabinet body. A pushing plate is arranged in an inner cavity of the electrical cabinet body. The bottom wall of one end of the pushing plate is fixedly connected with one end of a pneumatic cylinder. The cooling type electrical cabinet with the adjustable inner space is simple in structure, due to the addition of the pneumatic cylinder and the pushing plate, the pneumatic cylinder drives the pushing plate to move, and then the space in the electrical cabinet body is decreased; by means of the through hole plates and the through holes, air in the cavity in the electrical cabinet forms circular airflow, then, the cooling intensity is enhanced, and rapid cooling can be achieved; the pushing plate slides in the first groove and the second groove, deflection of the pushing plate is avoided, the side wall of the electrical cabinet body is abraded, and the service life of the pushing plate and the electrical cabinet body is prolonged.

The invention discloses an alternating current low-voltage distribution cabinet which comprises a casing, an exhaust fan and supporting legs, wherein a water tank is arranged on the top of the casing; a funnel-shaped collector is communicated with the top of the water tank; a filtering net is horizontally fixed in the collector; a heat-collection plate is arranged in the casing; a cooling pipe is fixedly arranged on the heat-collection plate and coils the surface of the heat-collection plate; an inlet of the cooling pipe is communicated with the water tank; venting slots are formed in two sides of the casing; a first dust baffle plate and a second dust baffle plate parallel to each other are vertically fixed in the venting slots; air holes staggered from one another are formed in the first dust baffle plate and the second dust baffle plate; and a rainwater isolation plate is arranged on the outer side of the venting slots. The alternating current low-voltage distribution cabinet disclosed by the invention is simple in structure, and has environmental-friendly and energy-saving effects as performing water-cooled heat dissipation by utilizing rainwater, the heat dissipation manner is increased, and the heat dissipation efficiency is improved; the venting effect is achieved by virtue of the venting slots, so that high internal humidity is avoided, and the service life is prolonged.

The application discloses electronic equipment. The electronic equipment comprises a first loudspeaker used for producing the sound not higher than the first frequency, wherein a first cavity arranged at one side of the first loudspeaker and used for outputting the sound produced by the vibration of the first loudspeaker; a second cavity arranged at other side of the first loudspeaker; a functional device set with a functional device capable of producing heat; and a hollow pipe arranged in the second cavity, wherein the air in the second cavity enters the hollow pipe and is ejected from the hollow pipe under the vibration effect of the first loudspeaker, and the air ejected from the air-out end can be used for radiatingheat ofthe functional device. By use of the electronic equipment provided by the invention, the hollow pipe is arranged in the second cavity to guide the air vibrated and driven by the loudspeaker, thereby realizing the heat radiation of the functional device; a large number of heat radiation holes are unnecessary to be arranged, and the fan is unnecessary to add, so that the electronic equipment can realize the heat radiation of the functional device in the premise of not influencing the appearance, and not increasing the noise, and the heat radiation mode of the electronic equipment is optimized.

A method of creating a hybridized chip having at least one top active device coupled to an electronic chip where a top active device is combined with an electronic chip having electronic chip contacts, when at least some of the top active device contacts are not aligned with at least some of the electronic chip contacts, and each of the at least some top active device contacts has an electrically corresponding electronic chip contact. The method involves creating sidewalls defining openings in the substrate, extending from the first side at the active device contacts to the bottom fo the substrate opposite the first side, at points substantially coincident with the active device contacts; making the sidewalls electrically conductive; and connectin g the points and the electronic chip contacts with an electrically conductive material.

The invention discloses an active cooling grinding wheel which comprises a grinding wheel disc body, an aluminum core and a diaphragm. The grinding wheel disc body is provided with a center cavity, a center through hole, cooing grooves and cooling through holes. Under the condition of not affecting the grinding efficiency and the intensity of the grinding wheel, the cooling grooves and the cooling through holes are additionally formed, a closed and crossed cooling belt is built, the cooling area is ensured, and internal heat of the grinding wheel disc body is dissipated in time; the diaphragm structure of the grinding wheel effectively utilizes vibration generated in the grinding process and is combined with the cooling grooves and the cooling through holes, and the active cooling mode is formed. The diaphragm vibrates to drive air in two cavities of the grinding wheel disc body to vibrate, air flow enters the cooling through holes and the cooling grooves, and the purpose of heat loss through convection is achieved.

The invention provides a big data cloud computing integrated machine. The integrated machine comprises a machine cabinet; a computer, a server, a storage device, an exchanger, a firewall, a cooling component mounted outside the machine cabinet, multiple heat conduction pipes supported in the machine cabinet, and multiple mounting seats located in the machine cabinet and shaped like a rectangular frame; multiple cooling holes are formed in the machine cabinet; multiple cooling fans arranged at intervals in the length direction of each mounting seat are mounted on each mounting seat; the mounting seats are fixed to the inner wall of the machine cabinet; the inner ends, located in the machine cabinet, of the multiple heat conduction pipes are in tight contact with the computer, the server, the storage device and the exchanger; and the outer ends, located in the machine cabinet, of the multiple heat conduction pipes are all in tight contact with the cooling component. According to the integrated machine, heat of main heating parts in the machine cabinet is conducted to outside through the heat conduction pipes; effective cooling is realized after heat exchange is performed through thecooling component; and through the multiple cooling fans, the cooling intensity is further improved, so that the cooling performance of the big data cloud computing integrated machine is greatly improved.

The present invention relates to the field of thermal simulation design, and more specifically to a thermal design method for a radar electronic cabinet system. The method comprises the following steps: selecting a heat-dissipating manner; obtaining the heat transfer amount and the radiant heat exchange amount between the air in the cabinet and the outside air; solving the air volume required for cooling the entire cabinet; calculating the total pressure drop; selecting specific heat-dissipating components; establishing a three-dimensional model of the radar electronic cabinet system; establishing a three-dimensional grid computing domain; carrying out simulation calculation on the radar electronic cabinet system to obtain an initial simulation result; and establishing contour lines of temperature distribution and fluid flow traces, and improving an internal structure and layout of the cabinet which does not satisfy the working requirements or re-selecting a heat-dissipating manner. According to the method disclosed by the present invention, the temperature distribution and fluid flow condition of the radar electronic cabinet system in use can be accurately simulated and predicted, so that the optimization and improvement functions of the layout and the heat-dissipating manner of the electronic equipment in the cabinet can be realized.

The invention provides a water-oil combined cooling gear motor base, which comprises a casing, a front end cover and a rear end cover, a stator, a rotor, a rotating shaft and a gear box are arranged in the casing, the inner side wall of the casing is provided with a double-layer spiral flow channel, the outer side is a water channel, and the inner layer is an oil channel; a side wall oil channel connector and two water channel connectors are arranged on the outer side wall of the machine shell, the side wall oil channel connector is used for being externally connected with an oil pump to introduce oil into an oil channel to dissipate heat, and the water channel connectors are used for being externally connected with a water pump to introduce water into the motor to dissipate heat.

The invention relates to the field of hygienic product equipment, in particular to a hot welding mechanism for pull-ups. The hot welding mechanism comprises a rack, a first welding roller and a second welding roller. Two heat conduction copper plates are arranged at the position, close to the edge, in the first welding roller, the distance between the heat conduction copper plates and the first welding roller is 3-5 cm, extending parts are arranged at the upper ends and the lower ends of the heat conduction copper plates, the extending parts surround halves of the peripheries of first mounting holes, and the extending parts and heating pipes are arranged at intervals. Due to the fact that the extending parts at the head ends and the tail ends of the heat conduction copper plates surround the heating pipes and meanwhile the extending parts extend into welding blocks, heat can be conducted to the surface of the middle of the first welding roller in the using process, heat dissipation holes are formed in the position,close to the heat conduction copper plates, of the first welding roller at intervals, heat of the part, close to the heat conduction copper plates, of the first welding roller can be taken away more quickly, and therefore heat dissipation of the welding blocks is accelerated through the first welding roller, and the problem that the heating temperature of the parts, close electric heating pipes, of the welding rollers is not prone to being reduced is solved.

The invention provides a multiple-point-distribution LED lamp. The multiple-point-distribution LED lamp is characterized by at least comprising an LED lamp bulb shell (1) and an LED light-emitting chip set (3); the LED light-emitting chip set (3) is arranged in the LED lamp bulb shell (1); a plurality of radiating points (7) are arranged on the outer surface of the LED lamp bulb shell (1). The radiating points (7) are arranged on the outer surface of the LED lamp bulb shell (1), the radiating surface of the LED lamp bulb shell (1) is heightened so that heat generated when the LED lamp emits light can be rapidly diffused to air, and radiating of the LED lamp is more sufficient accordingly. The radiating mode is easy and convenient to use and easy to operate and implement, and the good market value is achieved.

The invention discloses a fuel cell stack cathode humidity control system and a control method thereof.The fuel cell stack cathode humidity control system comprises an air source, a stack and a controller, and an air compressor, a first radiator and a humidifier are sequentially arranged between the air source and a stack cathode inlet in the air flow direction; an air supply bypass valve is arranged between the air outlet of the first radiator and the cathode inlet of the electric pile, a second radiator and an exhaust bypass valve which are connected in parallel are arranged between the cathode outlet of the electric pile and the wet side inlet of the humidifier, and the wet side outlet of the humidifier is connected with the outside atmosphere. The controller is used for analyzing the air temperature at the cathode inlet of the electric pile, and the output end of the controller is connected with the air supply bypass valve, the exhaust bypass valve and the second radiator. The air temperature and humidity at the cathode inlet of the electric pile are adjusted by adjusting the air temperature at the wet side inlet of the humidifier, so that the humidity requirement of the electric pile is met.

The invention relates to a method for composting pure organic fertilizer by using straws. The method comprises the following steps: taking 60 percent of one of wheat straws, straws, cornstalks and sorghum stems or mixed straws, soaking the straws with water on one day before retting until water can be wringed, and taking 30 percent of fine dry soil or pond silt and 10 percent of composted human and animal excreta; firstly, laying a layer of sludge and turf with the thickness of 15 to 20 cm on the ground to serve as a bottom mat absorbing infiltrating fertilizer nutriments; secondly, laying a layer of straws with the thickness of 25 to 30 cm on the basis of the first step, treading, compressing and then sprinkling a layer of human and animal excreta; laying a layer of the fine dry soil or the pond silt with the thickness of 10 to 12 cm and laying the straws with the thickness of 25 to 30 cm on the fine dry soil or the pond silt; stacking upward layer by layer according to the operationuntil the height is 1.5 to 2 m; finally, sealing and storing for 20 to 25 days by using slime; and thirdly, turning over piles once after a mixture is retted for 20 to 25 days, and using the raw materials when the raw materials reach the black, rot and odor degrees. According to the method disclosed by the invention, natural resources are completely utilized for fermenting, so that the rotting cycle of the straws is shortened, and the straws can be retted even in winter; and the method becomes a novel method for producing high-quality organic fertilizer at present.

The invention relates to the technical field of transformers. The invention further discloses a transformer protection device based on the electromagnetic induction principle. The device comprises anouter box, the top of the outer box body is fixedly connected with a binding post; a ventilation opening is formed in the top of the side surface of the outer box body; an inner box body is fixedly connected to the interior of the outer box body; the outer portion of the inner box body is movably connected with a heat dissipation pipe; an oil pump is fixedly connected to the outer part of the heatdissipation pipe; a ventilating duct is formed in the inner box body; a fan is fixedly connected to the interior of the ventilating duct; a positioning rod is fixedly connected to the interior of theinner box body; through the cooperative use of the heat dissipation pipe, the oil pump, the ventilation duct and the draught fan, the heat dissipation effect of the transformer is effectively guaranteed, the heat dissipation mode of the transformer is increased, the working temperature of the transformer is guaranteed, the aging of transformer parts is avoided, the service life of the transformeris effectively prolonged, fire disasters caused by too high temperature are effectively avoided, and therefore, the safety of a circuit is protected.

A spotlight apparatus has a LED plate, a lens plate, a cup body, a driver plate and two metal pins. The lens plate has a central lens and a plurality of micro optical structures. The cup body has a dome portion, a tube portion and a bottom portion. The dome portion and the tube portion are manufactured together as a single body. A portion of light emitting from the LED plate runs through the central lens of the lens plate to form a focus light beam and another portion of light emitting from the LED modules running through the plurality of micro optical structures to form soft light. Two input terminals of the driver plate are inserted into the two metal pins.

The invention provides an LED lamp. The LED lamp comprises an LED bulb shell, a substrate and an LED light-emitting chip set. One side of the substrate (2) is attached to the inner surface of the LED bulb shell (1), the LED light-emitting chip set (3) is attached to the other side of the substrate (2), and comprises one or more LED light-emitting chips, and the LED light-emitting chips are in series connection through a bonding wire (22), anodes of the LED light-emitting chips are electrically connected to the substrate (2), and cathodes of the LED light-emitting chips are connected with a flexible circuit board (4) to form a power supply loop with a power source. The LED light-emitting chips are tightly attached to the LED bulb shell, the LED light-emitting chips can be in full contact with the bulb shell, the LED light-emitting chips can be emitted to the outside more easily, and the heat dissipation efficiency can be greatly improved.

The invention discloses a lycium barbarumL. and flos chrysanthemi juice non-dairy cream preparation method. The preparation method is characterized in that 1) a product formula is prepared from materials in (%,w / w): 30.0 to 45.0 of corn oil, 5.0 to 10.0 of palm oil, 10.0 to 20.0 of lycium barbarum polysaccharide, 5.0 to 15 of actinidia chinensis Planch normal juice, 3.0 to 7.0 of white sugar, 0.5 to 2.0 of edible salt, 5.0 to 10.0 of skim milk powder, 0.05 to 0.2 of diglycerate, 0.05 to 0.3 of lecithin, 0.01 to 0.03 of potassium sorbate, 0.01 to 0.03 of citric acid, 0.5 to 1.0 of carrageenan, 1.0 to 2.0 of sodium caseinate and the rest of flos chrysanthemis juice to 100; 2) the lycium barbarum polysaccharide is extracted; (3) the flos chrysanthemis juice is prepared; 4) the actinidia chinensis Planch normal juice is prepared; 5) a water phase is prepared; 6) an oil phase is prepared; 7) blending emulsification is performed; 8) shock chilling formation is performed. The lycium barbarumL. and flos chrysanthemi juice non-dairy cream manufactured by the preparation method disclosed by the invention can overcome side effects of trans-fatty acid, can effectively reduce low density lipoprotein and improve high density lipoprotein in human blood, has health-care functions of repelling wind, clearing heat, clearing liver, improving vision, detoxifying and eliminating inflammation and is full of fruit fragrance.

The invention discloses a large-size direct insertion type resistor capable of improving the heat dissipation performance. The large-size direct insertion type resistor comprises a ceramic substrate,a surface electrode, a back electrode, a resistor body, a primary protection layer, a secondary protection layer, an end electrode, a middle electrode, an outer electrode and a shell, wherein the ceramic substrate is a cylinder and is internally provided with a cavity; the resistor body covers the lower middle part of the ceramic substrate; the primary protection layer covers the surface of the resistor body; the secondary protection layer covers the surface of the primary protection layer; the end electrode is arranged at the bottom end of the ceramic substrate covered with the resistor body;the middle electrode covers the lower surface of the end electrode; the outer electrode covers the lower surface of the middle electrode; the end electrode, the middle electrode and the outer electrode are arranged at the upper end of the resistor body in sequence from bottom to top; a metal conductor is further connected with the outer electrode at the upper side. According to the large-size direct insertion type resistor disclosed by the invention, the structure of the ceramic substrate is changed so that a heat dissipation manner of the resistor body is improved, the heat dissipation capability of the resistor in a high-voltage industry is improved, and the anti-pulse capability of the resistor and the anti-voltage capability of the resistor are improved.

The invention discloses an oriented heat radiation type portable LED module road lamp. The oriented heat radiation type portable LED module road lamp is characterized by being composed of a lamp head, two support arms, more than two LED modules, a lamp tail, a tail cover, a drive power supply and a mounting barrel, wherein the more than two LED modules are arranged in parallel on two support arms parallel to each other; one ends of the two support arms are connected with the lamp head, and the other ends of the two support arms are connected with the lamp tail; the drive power supply is arranged in a cavity of the lamp tail; one end of the mounting barrel extends in the lamp tail and is fixed by the tail cover; a plurality of heat radiating fins are arranged in parallel in each LED module; and each heat radiating fin is parallel to each support arm. As a lamp shell is composed of the lamp head, the two support arms and the lamp tail, the oriented heat radiation type portable LED module road lamp is reasonable in integral structure and lighter in weight; as the above structural form is adopted, an LED light source adopts a microstructure, and light distribution is carried out by an optical lens directly, so that the light loss is reduced to a maximum extent; and as a structure that the width of each heat radiating fin is gradually increased from two sides to the middle is adopted, the temperature of the whole LED module is balanced.

The invention discloses a device for improving heat dissipation performance and automatically cleaning cooling fins for CPU heat dissipation, which comprises a heat dissipation shell, and is simple instructure, convenient to operate and high in practicability. The problems that when a CPU is overheated, the cooling intensity cannot be continuously increased, a large amount of dust gathered on cooling fins is attached to the surfaces of the cooling fins, and consequently the cooling efficiency of the cooling fins is greatly affected are solved, when the device is used, the cooling intensity ofa radiator can be automatically increased through the device when the CPU is cooled and overheated, and the cooling efficiency of the radiator is greatly improved. When the radiator is used, part ofthe cooling fins in the radiator can be stretched out, so that the heat dissipation area of the cooling fins is increased, the heat dissipation efficiency is improved, meanwhile, the surfaces of the cooling fins can be cleaned when the cooling fins are stretched out, and when the radiator is stopped, the cooling fins are retracted to clean the surfaces of the cooling fins again; and meanwhile, thecooling fins are automatically subjected to soot blowing cleaning from top to bottom once, so that the cooling efficiency of the cooling device is prevented from being influenced by dust on the cooling fins.

The invention relates to a method for producing an electrical circuit. A prefabricated substrate is provided, said substrate having a first and a second conductor layer and having a dielectric between the first and the second conductor layers. According to the invention, the first conductor layer is multiple times thicker than the second conductor layer. At least one component to be cooled is mounted on the first conductor layer of the prefabricated substrate, forming a heat-transferring connection between the component and the first conductor layer. The invention further relates to an electrical circuit produced in said manner. According to the invention, the electrical circuit comprises a prefabricated substrate which is produced having a first and a second conductor layer and a dielectric located therebetween. According to the invention, the first conductor layer is multiple times thicker than the second conductor layer. At least one component to be cooled is mounted on the first conductor layer. According to the invention, there is a heat-transferring connection between the component and the first conductor layer.

The invention discloses a cooling system of a driving motor. An outlet of the driving motor is connected with inlets of a first electric stop valve, a second electric stop valve and a third electric stop valve separately through a pipe in the system, an outlet of the first electric stop valve is connected with a water heating radiator, and an outlet of the water heating radiator is connected withan electric water pump and then connected back to an inlet of the driving motor; an outlet of the second electric stop valve is connected with an inlet of a battery case, and an outlet of the batterycase is connected with the electric water pump and then connected back to the inlet of the driving motor; an outlet of the third electric stop valve is connected with an inlet of the radiator, and theoutlet of the radiator is connected with the electric water pump and then connected back to the inlet of the driving motor. According to the cooling system of the driving motor, when the driving motor is kept in different kinds of heating amount, the system selects different heat dissipation portions for heat dissipation and heats the battery case and a cab, and accordingly heat which is generated by a drive is effectively recycled.

The invention provides an LED lamp with insulation protection. The LED lamp is characterized by at least comprising an LED lampshade (1), a base plate (2) and an LED lighting chip set (3); one side of the base plate (2) is attached to the inner surface of an LED bulb housing (1); the LED lighting chip set (3) is attached to the other side of the base plate (2); an insulation protecting device (4) is arranged at the top end of the base plate (2). According to the LED lamp with the insulation protection, the insulating device is arranged on the top end of the base plate, thus the base plate does not form current interference to each other, and as a result, the stability and performance of the LED lamp can be improved; such radiating mode is simple and convenient, and easily operated and realized; the LED lamp has a high market value.

The present invention relates to the field of thermal simulation design, and more specifically to a thermal design method for a radar electronic cabinet system. The method comprises the following steps: selecting a heat-dissipating manner; obtaining the heat transfer amount and the radiant heat exchange amount between the air in the cabinet and the outside air; solving the air volume required for cooling the entire cabinet; calculating the total pressure drop; selecting specific heat-dissipating components; establishing a three-dimensional model of the radar electronic cabinet system; establishing a three-dimensional grid computing domain; carrying out simulation calculation on the radar electronic cabinet system to obtain an initial simulation result; and establishing contour lines of temperature distribution and fluid flow traces, and improving an internal structure and layout of the cabinet which does not satisfy the working requirements or re-selecting a heat-dissipating manner. According to the method disclosed by the present invention, the temperature distribution and fluid flow condition of the radar electronic cabinet system in use can be accurately simulated and predicted, so that the optimization and improvement functions of the layout and the heat-dissipating manner of the electronic equipment in the cabinet can be realized.

The invention provides a light-emitting diode (LED) lamp with an inducing track. The LED lamp is characterized by at least comprising an LED bulb casing (1), a substrate (2) with a plurality of sub substrates (6) and LED light emitting chip groups (3) with the number corresponding to that of the plurality of sub substrates (6). One side of one sub substrate (6) clings to the inner surface of the LED bulb casing (1) through the inducing track (5), one LED light emitting chip group (3) clings to the other side of the corresponding sub substrate (6), the inducing track (5) is arranged on the inner surface of the LED bulb casing (1), and the shape of the inducting track (5) is matched with that of the sub substrates (6). Due to the fact that the inducing track is arranged on the LED bulb casing, the sub substrates cannot generate current interference, and stability and performance of the LED lamp are improved. The radiating mode is simple, and the LED lamp is easy to operate and achieve and has good market value.

The invention discloses an aero-engine cooling device. The aero-engine cooling device structurally comprises a device body, a water inlet valve, ventilation ports and water flow channels, wherein theinner part of the device body is hollow, the shape of the device body is cylindrical, the water inlet valve communicates with an outer shell, moreover, the connecting mode of the water inlet valve andthe outer shell is a fixed connection mode, the outer shell is connected with an inner shell through the ventilation ports, the ventilation ports are uniformly distributed on the device body, the water flow channels are distributed around the ventilation ports, the water flow channels communicate with one another, moreover, the water flow channels are closed in the device body, the connecting mode of the inner shell and fixing screw holes is a fixed connection mode, the fixing screw holes are uniformly distributed inside the device body. According to the aero-engine cooling device, the waterinlet valve, the ventilation ports and the water flow channels are arranged on the aero-engine cooling device so that water cooling, air cooling and air flow cooling can be performed when an aero-engine is used, so that the cooling modes of the aero-engine are greatly increased, and the functionality is complete.

The invention discloses a composite fireproof anti-corrosion cable bridge, and relates to the technical field of cable bridges. The composite fireproof anti-corrosion cable bridge comprises a fixed bottom frame, side grooves are formed in the left side and the right side of the outer surface of the fixed bottom frame, connecting plates are slidably connected to the inner surfaces of the side grooves, fixed rails are fixedly connected to the left side and the right side of the inner surface of the fixed bottom frame, and a dustproof plate is slidably connected between the opposite sides of the two fixed rails; a fixing mechanism is rotationally connected to the bottom of the dustproof plate and located on the inner surface of the fixing bottom frame, the dustproof plate with a cable fixing function is additionally arranged, a heat dissipation mechanism with ventilation combined inside is used in a matched mode, dust is shielded to a great extent, the related ventilation function is achieved, normal use cannot be affected, and the service life of the cable is prolonged. And when the cable works for a long time, the mechanisms are used for discharging internal high temperature and dissipating heat, so that the service life of the composite fireproof and anticorrosive cable bridge is prolonged, and the safety performance of the composite fireproof and anticorrosive cable bridge is improved.