125results about How to "Easy to dissipate heat" patented technology

The invention discloses a stator permanent magnet type field modulation motor. The motor comprises a housing, a stator, an air gap, a rotor and a rotating shaft from outside to inside. The housing, the stator, the air gap, the rotor and the rotating shaft are coaxially arranged. The stator is fixed in the housing through a dovetail groove. The air gap is arranged between the stator and the rotor. The rotor is fixed outside the rotating shaft. The stator comprises a plurality of stator iron cores which are arranged at equal intervals along the circumference, stator permanent magnets embedded between adjacent stator iron cores, stator teeth extending out of the inner circumferences of the stator iron cores, and multiphase symmetric armature windings embedded between adjacent stator teeth. The rotor comprises an annular rotor iron core, and a plurality of rotor salient poles extending out of the outer peripheries of the rotor iron cores. According to the invention, the armature windings and the permanent magnets are arranged on the stator side; the air-gap magnetic permeance change caused by the rotor salient pole is utilized to modulate the stator magnetic field, so as to achieve electromechanical energy conversion; and the stator permanent magnet type field modulation motor is characterized in that the rotor structure is simple, the mechanical reliability is high, the heat radiation of the permanent magnets is easy, and the processing and manufacturing is convenient.

The invention discloses a separable refrigerator, which comprises a refrigerating system and a storage chamber, wherein the refrigerating system comprises a refrigerating device and an air supply passage, the refrigerating device comprises a compressor, a condenser and an evaporator, the storage chamber comprises a refrigerating chamber and/or a freezing chamber, the refrigerating device further comprises a refrigeration chamber, the compressor, the condenser and the evaporator are arranged in the refrigeration chamber, the refrigeration chamber is detachably connected with the storage chamber, and when the refrigeration chamber is connected with the storage chamber, an air outlet of the refrigeration chamber is over against an air inlet of the storage chamber. According to the separable refrigerator disclosed by the invention, the refrigerating device is arranged in the refrigeration chamber, and the refrigeration chamber is detachably connected with the storage chamber, so the maintenance is facilitated, and the refrigerating device is not easy to damage in the moving process; meanwhile, the refrigerating system is fixed on the refrigeration chamber, so the radiating efficiency is improved; in addition, by the gravity effect of the storage room, the cold energy transmission loss between the air outlet of the refrigeration chamber and the air inlet of the storage chamber is reduced.

The invention relates to a welding and radiating turntable, which comprises a rotation platform and a platform base plate, wherein the rotation platform is in a disc shape; the center of the rotation platform is connected and fixed with a rotating shaft; the rotating shaft is arranged on the platform base plate; a bearing is arranged between the rotating shaft and the platform base plate; a cross-shaped groove is arranged on the rotation platform; the center of the cross-shaped groove is arranged in the center of the rotation platform; the rotation platform is divided into four equal sectors through the cross-shaped groove; and an air vent is arranged in the central position of each sector. The welding and radiating turntable has the beneficial effects that the bearing is arranged between the rotation platform and the platform base plate, and the position of the platform base plate is fixed, so that the rotation platform can be rotated manually; the cross-shaped groove and the air vents are arranged on the rotation platform, so that the heat of the rotation platform can be radiated conveniently, and particularly, the radiating effect can be further improved through a radiating fan on the platform base plate; and through circumferential scales on the surface of the rotation platform, an operator can grasp the rotation angle conveniently, and can operate flexibly and accurately.

The invention discloses a modular cable trough, and relates to the technical field of cable troughs. The modular cable trough comprises a lower trough body and an upper trough body, a plurality of first spacing units are arranged on the inner bottom side surface of the lower trough body along the length direction; the first spacing unit comprises first spacing modules located at the two ends and aplurality of second spacing modules located between the two first spacing modules. Second spacing units matched with the first spacing units are arranged on the inner top side surface of the upper trough body in the length direction of the upper trough body; The second spacing units include a plurality of third spacing modules matched with the second spacing modules one by one; accommodating grooves for cables to penetrate through are formed between the first spacing modules and the second spacing modules or between every two adjacent second spacing modules. An accommodating difference for accommodating the cable to pass through is formed through the spacing modules so that the cable is separately mounted and the cable is fixedly mounted through the elastic effect of the spacing modules.

The invention relates to the technical field of computer accessories and discloses a laptop radiator support. The laptop radiator support comprises a base and a radiator bottom plate. One end side ofthe radiator bottom plate is hinged to one end of the base. The laptop radiator support is provided with a microcontroller in cooperation with sliding radiators for use. The microcontroller independently controls the sliding radiators according to the actual temperature to facilitate cooling on a laptop, and power consumption can be reduced. Locating racks and rotary supporting columns are used incooperation to facilitate angle adjustment of the radiator bottom plate. The laptop can be located and fixed conveniently through movable locating columns so that the laptop can be operated conveniently. The two sliding radiators are arranged to cool the laptop, and the cooling efficiency is improved. The laptop radiator support has the characteristics that the structure is compact, the sliding radiators can be adjusted conveniently and controlled independently, and the cooling effect is good. By using the laptop radiator support, the cooling effect on the laptop operating for a long time canbe effectively guaranteed, and the laptop can operate normally accordingly.

This invention provides one connector located on one circuit board and provides one transistor set to connect the transistor with circuit board, wherein, the connector comprises one base socket, several terminals and one protector; the socket has one fixing surface and one container space; the protector body is the movable containing space; the terminal has one first and second connectors relative to the socket to expose the second connector to the fixing surface and connected to the circuit board; the first connector is located in the containing space protected by the protector to move the protector when the transistor set is located in the containing space to make the terminal near to the first connector to dissipate the heat.

The invention discloses an electric power protection measuring and controlling device convenient in heat dissipation, the front surface of the device body is provided with a panel, a housing is mounted on the back of the panel, the outer side of the housing is provided with a housing, An upper slot is installed in that middle of the top end of the housing, An upper baffle is mount inside that upper slot, A second electric push rod is mounted on both sides of the bottom end of the upper baffle, A blower is mounted on the bottom of the upper slot, A low slot is provided in that middle of the bottom end of the house, A lower baffle is mounted inside the lower slot, A first electric push rod is mounted on both sides of the top end of the lower baffle, A suction fan is mounted on that top of the lower slot, an inner shell is mounted on the inner side of the outer shell, The rear side of the shell is provided with a control box, and the bottom of the shell is provided with a leg. The suctionfan and the blower of the invention are used together, and the two cooperate with each other to accelerate the air circulation inside the device body, thereby avoiding dead angles and completely extracting heat quickly and quickly, so that the heat dissipation efficiency of the device body is improved, and the working cost is reduced.

The invention discloses a surface-adhered type over-current protection element with a resistance positive temperature coefficient effect, and a manufacturing method. The surface-adhered type over-current protection element comprises conductive composite material chips, a first conductive connecting hole, a second conductive connecting hole and an adhesion layer, wherein the conductive composite material chips are upper-lower structured overlapped layers with the resistance positive temperature coefficient effect; the first conductive connecting hole is electrically connected with a first conductive electrode and a third conductive electrode and is not directly electrically connected with a second conducive electrode and a fourth conductive electrode; the second conductive connecting hole is electrically connected with the second conductive electrode and the fourth conductive electrode and is not directly electrically connected with the first conductive electrode and the third conductive electrode; the adhesion layer is arranged between the upper-layer chip and the lower-layer chip so as to solidly connect the upper-layer chip with the lower-layer chip. Compared with an ordinary surface adhered type over-current protecting element, the surface-adhered type over-current protection element has the characteristics of small thickness and high holding current, has the characteristics that a pin type structure is easy in heat conduction and heat radiation, is convenient to be in lap joint with other protectors, and has the characteristics of convenience to mount.

The invention provides a movable laser welding machine. The movable laser welding machine comprises a welding machine, wherein the welding machine comprises a fixed plate, a worktable and a laser generator; the fixed plate is connected with the worktable; the upper end of the worktable is provided with fixed bases; the laser generator is arranged between the fixed bases; and a laser focusing device is arranged on one side of the laser generator. Compared with the prior art, the movable laser welding machine has the following beneficial effects: the moving of the welding machine is facilitated through universal wheels; components can be welded more conveniently; the universal wheels can be fixed through a parking braking device, so that accidental moving can be prevented, and severe consequences can be avoided; the worktable is provided with an object containing cabinet, so that a user can store welding tools conveniently; a cooling device and a heat dissipation opening are arranged, so that the laser generator can dissipate heat conveniently; the service life is prolonged; the structure is simple; the operation is convenient; and the mobility of the welding machine is improved.

The present invention discloses a mobile phone shell convenient for heat dissipation. The mobile telephone shell comprises a mobile phone shell main body, the mobile phone shell main body comprises aback plate and a frame arranged around the back plate, the frame and the back plate are connected to form a cavity configured to hold a mobile phone, the front surface of the back plate is provided with a heat dissipation groove, a heat conduction graphite sheet fits into the internal portion of the heat dissipation groove, a copper foil fits into the upper end face of the heat conduction graphitesheet, the mobile phone shell main body further comprises a liquid cooling cavity which is located at the back portion of the phone shell main body, cooling liquid is sealed in the liquid cooling cavity, and the liquid cooling cavity is connected with the back surface of the back plate. The heat dissipation groove is arranged at the front surface of the back plate on the mobile phone shell, the heat conduction graphite sheet fits into the internal portion of the heat dissipation groove, the copper foil fits into the upper end face of the heat conduction graphite sheet, the heat conduction graphite sheet and the copper foil have high-thermal conductivity to effectively lead out the heat at the back portion of the mobile phone, reduce the temperature of the mobile phone shell main body andallow users not to feel obvious burning hot when the users hold the mobile phone for a long time so as to improve the use experience of the users.

The invention relates to a laser cutting machine, in particular to a multi-angle adjustable laser cutting machine. The multi-angle adjustable laser cutting machine is capable of adjusting the angle ofthe laser cutting machine in an XOY plane through an angle fixing assembly; a laser cutter can be adjusted through the angle fixing assembly to rotate around an OZ axis, and the adjustable range of the laser cutter is increased conveniently; heat can be dissipated through the machine by a heat dissipation assembly; the speed of heat dissipation can be adjusted through a speed regulating device; and the multi-angel adjustable laser cutting machine comprises the angle fixing assembly, the heat dissipation assembly, the speed regulating device, an underframe assembly and two connecting belts. The pulling of a tension spring facilitates the impact between a second matched rotating rod and a matched terminal, the first matched rotating rod is driven to change the transmission state of a driving rotating rod and a threaded rotating rod A or a threaded rotating rod B conveniently, and the sliding direction of a bottom plate body on the lower end fixing plate is conveniently changed; and airflow in a heat dissipation outer frame is driven through rotation of the fan blades.

The invention discloses electrical equipment based on heat dissipation of an aluminum substrate, comprising a base, wherein a first mounting slot is formed in the top of the base, two supporting columns are welded at the bottom of the first mounting slot, one side, where the two supporting columns are close to each other, of each supporting column is welded with the same connecting rod, the bottomof the connecting rod is fixedly connected with multiple first springs, the bottom of each first spring is welded with the inner wall of the bottom of the first mounting slot, an electrical equipmentbody is arranged in the first mounting slot, the top of the electrical equipment body extends to a position above the base, two second mounting slots are formed in the bottom of the electrical equipment body, and the inner wall of the top of each second mounting slot is welded with a second spring. According to the electrical equipment disclosed by the invention, heat dissipation can be carried out on the electrical equipment body by utilizing an aluminum substrate body, fan blades can accelerate air circulation in the electrical equipment body, the electrical equipment body can rapidly and convenient dissipate heat, and short circuit is prevented from being caused by increase of temperature in the electrical equipment body.

The invention relates to the technical field of power equipment. The invention further discloses a heat dissipation and dust prevention device of an independent equipment power cabinet based on the electromagnetic induction principle. The device comprises a first shell and a second shell, a positive electrode is fixedly connected to the interior of the first shell, a negative electrode is fixedlyconnected to the interior of the first shell, a supporting rod is movably connected to the interior of the first shell, a copper rod is fixedly connected to the top of the supporting rod, and a push rod is fixedly connected to the exterior of the copper rod. Under the interaction of a driver, a connecting rod I, a connecting rod II, a connector, a sliding rail, a baffle, a gauze element and a storage box, the rotating speed of a grooved wheel can be adjusted through the clamping relation between a rotating wheel and the grooved wheel, the lifting height of the baffle can be adjusted by changing the rotating speed of a driving motor, and the baffle can drive the gauze to shield an opened air outlet, so that a certain dustproof effect can be achieved when the power cabinet operates, the sizeof the air outlet is manually adjusted according to the use condition of the power cabinet, and heat dissipation under different conditions is more convenient.

The invention discloses a heat dissipation power distribution cabinet which comprises a cabinet body. An air outlet is formed in the right side of the cabinet body. An air inlet is formed in the leftside of the cabinet body. One side of the air inlet is communicated with a radiating pipe. The radiating pipe is arranged in cabinet body, and an air pump is arranged in the radiating pipe. A rotary switch is arranged in the middle of the other end of the radiating pipe. A first airbag is arranged on one side of the rotary switch. The first air bag communicates with radiating pipe. A first air outlet is formed in the first air bag. A first air outlet valve is arranged at the first air outlet. A first dust outlet is formed in the lower end of the first air bag. A first conductive screen is arranged at the first dust outlet. The first conductive screen is connected with an electrostatic generator and an electrostatic eliminator. The first air bag communicates with a dust accumulation chamberthrough the first dust outlet. According to the invention, heat dissipation processing is carried out on components in the cabinet body conveniently; and meanwhile, dust in air is effectively prevented from entering the cabinet body to influence the working process of the components.

The invention discloses a positioning device for a big data appliance, and belongs to the technical field of big data appliance accessories. The device comprises a movable bottom base, a manual rotarydisc and a heat dissipation device, a stop lever is shifted upwards, a T-shaped rotary table is rotated, the placement angle of the big data appliance is changed, U-like rods on the front side and the rear side are connected with limit through holes of the lower portion, a rectangular block is still, the big data appliance is detached, the U-like rods is pulled out, a second reset spring is extended, so that a supporting rod drives universal wheel to support the rectangular block, the U-like rods are connected with limiting through holes in the upper portion, then the big data appliance is installed and moving is convenient; and a temperature control switch extends into a heat dissipation opening of the big data appliance, a plug is used for electrifying, a timing switch and a temperaturecontrol switch are used for enabling a heat dissipation fan to laterally blow air at the heat dissipation opening of the big data appliance, and heat is convenient to dissipate. The device is simpleto operate, facilitates heat dissipation and placement of the big data appliance, and is convenient to move at the same time.

This invention relates to rotation spray motor, wherein, the blade and its two ends are connected to inner and outer walls; the inner wall left end is connected to rotation axis and right to rotation axis; motor left end axis has fuel tube connection; the fuel tube and spray mouth are connected; it is characterized by connecting two ends of blade to inner and outer walls for rotary operating.

The invention discloses a spray head heat dissipating mechanism for a 3D printer. The spray head heat dissipating mechanism comprises a 3D printer body, a spray head seat is arranged in the 3D printerbody and arranged at the top of the 3D printer body, a spray head is installed on the lower surface of the spray head seat, a heat dissipating pipe is connected to the outer side of the spray head ina sleeving mode, the top of the heat dissipating pipe is welded to the lower surface of the spray head seat, the bottom of the spray head penetrates through the heat dissipating pipe, a cooling waterpipe is arranged in the spray head seat and the heat dissipating pipe, the two ends of the water cooling pipe penetrate through the spray head seat and one side of the heat dissipating pipe respectively, a first rubber water pipe is arranged at the bottom end of the cooling water pipe in a communicating mode, and a first water pipe is arranged at the other end of the first rubber water pipe in acommunicating mode. According to the spray head heat dissipating mechanism, the cooling water pipe is arranged on the outer side of the spray head, and water at the bottom of a water tank is pumped out through a water pump; and when water passes through the cooling water pipe, water flow in the cooling water pipe brings heat on the outer side of the spray head away, and thus heat dissipating handling can be carried out on the spray head conveniently.

The invention discloses a heat dissipation device for a new energy charging pile. The heat dissipation device for the new energy charging pile comprises an annular fixing plate, the annular fixing plate is of a hollow structure, a shielding mechanism is arranged in the annular fixing plate, two first limiting plates which are symmetrically arranged are fixedly connected to the side wall of the lower side of the annular fixing plate, and the two first limiting plates are each of a hollow structure; vertically-arranged second limiting plates are inserted into the two first limiting plates correspondingly, first fixing mechanisms are arranged on the side walls of the opposite sides of the two first limiting plates correspondingly, second fixing mechanisms are arranged on the two second limiting plates correspondingly, and movable heat dissipation mechanisms are arranged on the side walls of the opposite sides of the two first limiting plates correspondingly; the upper end of the second limiting plate is fixedly connected with a horizontally-arranged sliding plate, and the sliding plate is connected with the inner wall of the first limiting plate through a plurality of first springs. The heat dissipation device is good in adjusting performance, convenient to fix and dissipate heat of charging piles of different models, good in stability and convenient for users to use.

The application provides optical transmission equipment comprising at least one optical module cage unit fixedly arranged on a service circuit board. The optical module cage unit comprises one or morefirst optical module cages arranged on the upper layer and one or more second optical module cages arranged on the lower layer. Each first optical module cage is used for placing one or more first optical modules, and each second optical module cage is used for placing a second optical module; the first optical module is used for service side optical communication connection, and the second optical module is used for client side optical communication connection. Welding pins of the first optical module cage and the second optical module cage are staggered and do not interfere with each other.The optical module cages on the service side and the sending side are stacked and do not interfere with each other, so that more spare space in the equipment is provided for configuring more opticalmodules and thus the interface density is improved; and heat dissipation of the first optical module on the service side with relatively high power consumption is facilitated.

The invention discloses a shockproof high-low voltage cabinet, which comprises a shock absorption pedestal, a cabinet body, a protective shed and a cooling fan, wherein a plurality of cross bars are fixedly arranged in the shock absorption pedestal, two sliding sleeves are sleeved on the cross bars, first springs are arranged between the sliding sleeves and the side wall of the shock absorption pedestal, second springs are arranged between the two sliding sleeves, inclined and hinged connecting rods are arranged between the lower end face of the cabinet body and the sliding sleeves, a plurality of wire holes and wire rings are transversely formed in the upper end of the rear wall of the cabinet body, the protective shed is arranged on the buffer supporting rods, and the cooling fan is arranged in the ventilation opening. The connecting rods are hinged between the cabinet body and the sliding sleeves, and the cabinet body compresses the first springs and stretches the second springs when being pressed down, thus, shock can be buffered, the supporting rods are buffered between the protective shed and the cabinet body, impact force of falling objects can be buffered, and therefore electrical equipment in the cabinet body can be better protected, wire holes and wire rings which are arranged in order are arranged in the cabinet body, wires can be dredged, disorder is avoided, cooling fans are arranged on the two sides of the cabinet body, and cooling is facilitated.

The invention discloses a heat dissipation type network cabinet based on the Internet of Things, and relates to the technical field of network cabinets, the heat dissipation type network cabinet comprises a cabinet body and a movable door rotationally connected through a rotating shaft, ventilation holes are formed in the two corresponding sides and the top side of the cabinet body, dust screens are fixedly installed in the three ventilation holes, and a moisture-proof pad is fixedly mounted on the inner wall of the bottom side of the cabinet body. According to the invention, the temperature sensor monitors the temperature in the cabinet body in real time, when the temperature reaches a working temperature set by the temperature sensor, a temperature signal is fed back to the controller, the controller controls the cold air unit and the power transmission part to work, and the cold air unit continuously adsorbs external air into the cabinet body to form air circulation to achieve heat dissipation of the cold air mode; and meanwhile, the power transmission part drives the water-cooling cleaning part to work, so that the condition that a dustproof net is blocked by dust or other floating objects is avoided, meanwhile, heat dissipation in the water-cooling mode is achieved, and heat dissipation in the cabinet body can be effectively achieved.

The invention discloses a one-way external self-aligning thrust bearing with a heat dissipation function. The one-way external self-aligning thrust bearing comprises a shaft ring, a retainer and a seat ring; the interior of a strip groove is filled with a heat conduction silica gel filling layer, an inserting hole is formed in the middle of the heat conduction silica gel filling layer, and a firstheat pipe is arranged inside the inserting hole; and heat conduction fan blades are fixedly connected to one end of the first heat pipe, an annular heat conduction copper sheet is fixedly connected to heat conduction fins connected to the side wall of an annular notch groove, and the surface of the retainer is fixedly connected to cooling fins through heat conduction supporting strips. The heat conduction silica gel filling layer is arranged on the inner wall of a shaft hole of the shaft ring, and heat on the inner side of the shaft hole of the shaft ring is guided out through the first heatpipe, so that heat dissipation is facilitated, and meanwhile, the temperature of the inner side of the shaft hole of the shaft ring is prevented from being too high to damage a connecting shaft; and the heat dissipation effect is further improved by utilizing the heat conduction fan blades, in the rotating process of the shaft ring, air flow is promoted by the heat conduction fan blades, the air flow is blown to the retainer and the seat ring in a downwards direction, and the heat dissipation effect is improved.

The invention discloses a solar battery texturing device. The device comprises a detection box shell and a dust blowing device, a dust cover is arranged on the top of a box body of the detection box, and the outer side of the dust blowing device is provided with a main machine shell; an air outlet is formed in the upper surface of the main machine shell. According to the device, after hot drying is carried out, the temperature and humidity of a solar battery are conveniently detected, final dust removal is also facilitated, the device has a certain dust removal function, the qualified rate can be increased conveniently, a certain non-qualification alarm function can be achieved, and the device is convenient and fast to use, diversified in function and long in service life. Dust on the surface of a solar panel is blown away conveniently through a dust blowing air pump and a dust blowing brush head; the dust on the surface of the solar panel is conveniently wiped away by means of a sponge mat on the brush head, the dust on the panel is removed, and then the cleanliness of the surface of the solar panel is effectively ensured in the texturing process, and the solar panel production efficiency is conveniently guaranteed.

The invention discloses a 3D printing remaining material recycling structure which comprises a dust cover, a dust collector and a weight sensor. The 3D printing remaining material recycling structure is characterized in that the dust cover is arranged at the rear part of a spray head of a 3D printer; the dust collector is inserted into a part under the spray head; and the weight sensor is arranged on the dust cover. After being started, the dust collector can absorb a large amount of unused dust, the dust is absorbed to the dust cover at the back of the dust collector, and the weight sensor can read the dust weight. The 3D printing remaining material recycling structure can effectively reduce the dust of the 3D printer and chemical waste gas pollution, and can perform effective cooling in the working process of the 3D printer.

The invention discloses a mobile phone holder with an adjustable support angle. The mobile phone holder comprises a base, wherein two support plates with identical shapes are arranged on two sides of the base, grooves with different inclination angles are formed in the support plates, and a plurality of air holes are formed in a back plate connected between the two support plates. The grooves with two different inclination angles are formed in the support plates, so that a user can select different grooves to fix a mobile phone, and the support angle of the mobile phone is adjustable; and meanwhile, the vent holes are formed in the back plate, so that heat dissipation of the mobile phone is facilitated, and a suction cup is arranged at the bottom of the base and used for fixing the mobile phone holder.

The invention relates to the field of electronic production technology, and discloses an automatic cooling and cleaning type power cabinet for electronic production, comprising a cabinet body, whereinthe front side of the cabinet body is connected with a plurality of symmetric hinges, one sides away from the cabinet body of the hinges are movably connected with cabinet doors, a water storage tankis fixedly connected to the top of the cabinet body, and the output ends of the left and right sides of the water storage tank are fixedly connected with a water pump through connecting pipelines. The automatic cooling and cleaning type power cabinet for electronic production adopts the water storage tank, the water pump and water spray heads to perform water spray cooling on the inner wall of the cabinet body, and accelerates the water vaporization through wind blowing by setting a synchronous motor and spiral fan blades, so that a large amount of heat is absorbed through rapid water vaporization, thereby greatly ensuring the rapid cooling effect in the case of rapid rise of the internal temperature of the power cabinet, avoiding the fire on the power cabinet due to the over-high the temperature of the power cabinet, and further achieving timely control of cooling.

The invention provides a multifunctional television rear shell mould including: an upper mould, a lower mould, a glue injecting hole and a moulding chamber, and also including: heat dissipating projections, heat dissipating concave holes, a heat insulating layer, a heating layer, exhaust pores and a water-flow cooling layer. The upper mould and the lower mould are buckled to each other through a fixing structure to form the moulding chamber. The mould is provided with the heat dissipating projections and the heat dissipating concave holes so that heat dissipating holes and a television rear shell can be moulded successively, thereby reducing operation process and saving processing cost. The heat insulating layer, heating layer and water-flow cooling layer also have the heating, heat-insulating and temperature-reducing functions, so that the mould not only saves energy but also reduces operation tools, thereby simplifying operation steps and reducing operation times. When the heat dissipating projections and the heat dissipating concave holes are fixed together, a certain fixing effect is achieved, and meanwhile with the fastening structure of the upper mould and the lower mould, the upper mould and the lower mould can be fastened better, thereby ensuring tight fixation of the mould.

The invention discloses a battery tray and a battery pack assembly with the same. The battery tray comprises a tray body and a heat management part, wherein the heat management part comprises a heat pipe and a cold pipe which are connected with each other; the cold pipe is connected to the end of the heat pipe; and the cold pipe is located between the heat pipe and the inner side wall of the traybody, or the heat pipe is located between the cold pipe and the tray body. The battery tray provided by the embodiment of the invention is light in weight, high in strength, compact in arrangement andconvenient to maintain.

The invention discloses a bridge cable protection device for municipal bridge engineering, and the structure thereof comprises an overload protection and manual disconnection device, a left opening and closing door, handles, a right opening and closing door, fixed through holes, a fixed bottom plate, a cable line, a projection, a control panel, venting slots, a suspension ring ear, a voltmeter andan ammeter. The suspension ring ear is attached to the center of the upper surface of the overload protection and manual disconnection device, the ammeter is in glued connection with the upper left end of the front surface of the overload protection and manual disconnection device, the voltmeter is attached to the right side of the ammeter, and the voltmeter and the ammeter are on the same horizontal plane. The bridge cable protection device is provided with the overload protection and manual disconnection device, when the instantaneous value of the voltage or current passing through the cable exceeds the tolerance range of the cable, the device automatically disconnects the circuit to prevent the cable from being burned out, and when the cable line needs to be repaired, the branch of thecable line can be manually powered off, which is convenient to use.

The invention discloses a large data server with good heat dissipation performance. The big data server comprises a housing, wherein the bottom of an inner wall of the housing is fixedly connected with a server body, the top of the left side of the housing is connected with a first heat dissipating apparatus by a bolt, and the bottom of the left side of the housing is connected with a second heatdissipating apparatus; the right side of the server body is fixedly connected with a first heat conducting plate, the top of the first heat conducting plate is fixedly connected with a second heat conducting plate, and a third heat conducting plate is fixedly connected to a position on the left side of the second heat conducting plate as well as corresponding to the first heat dissipating apparatus and the second heat dissipating apparatus, and a first motor is provided inside the first heat dissipating apparatus .According to the large data server with good heat dissipation performance, a problem that an existing server has poor heat dissipation thereby affecting the normal operation of the server can be solved by the cooperation of the first heat conducting plate, the second heat conducting plate, the third heat conducting plate, the first motor, a first blade, a second motor, a second blade, a power regulator, a single chip and a temperature sensor.