196results about How to "Reduce internal temperature" patented technology

The invention relates to the technical field of electric energy metering boxes, and discloses an electric energy metering box with excellent heat dissipation, which comprises a box body, one side of the box body is provided with an accommodating groove capable of storing electrical elements, the box body is rotatably connected with a box door, and the top of the box body is provided with a storage box. The storage box can be filled with an organic matter phase change material prepared according to a specific formula, the solid-liquid conversion temperature range of the organic matter phase change material is close to the expected highest temperature under the normal operation condition of the metering box, and a micro-channel liquid cooling plate is arranged on the bottom wall of the containing groove; the micro-channel liquid cooling plate can be tightly attached to the electrical element. The metering box has the effect of improving the heat dissipation performance of the metering box.

The invention relates to the technical field of mining explosion-proof power supplies, and discloses a damping explosion-proof device for a mining lithium battery power supply, which comprises a protective shell, a sealing cover plate is arranged above the protective shell, two groups of lithium battery cells are mounted in the protective shell, a circuit board is fixed above the lithium battery cells, and the circuit board is fixed above the lithium battery cells. The circuit board is electrically connected with the lithium battery core through a wire, a charging and discharging connector is fixed on the outer side surface of the protective shell, and the charging and discharging connector is electrically connected with the circuit board through a wire; the device can stably and efficiently move in a severe environment, the formed buffer structure can reduce bumping and improve the buffer performance in the moving process of the device conveniently, heat on the heat conducting plate can be taken out through heat dissipation holes in time, the temperature in the protective shell can be reduced, and the explosion-proof performance of the mining lithium battery power supply can be improved.

The utility model discloses a control cabinet with a desinsectization function, and relates to the field of electrical engineering, in particular to the control cabinet with the desinsectization function, which comprises a top cross beam, upright posts, inclined struts and the like. The insect expelling lamp and the sound wave insect expelling device are used in a combined mode, insect invasion is effectively reduced, and internal electrical equipment is protected. The insect repelling lamp attracts and kills insects, and the sound wave insect repeller emits ultrasonic waves or infrasonic waves which interfere with the insects to repel the insects which are not sensitive to light. And secondly, the cooling fan is additionally arranged at the ventilation opening of the control cabinet, air circulation is greatly improved through forced convection, the internal temperature is effectively reduced, and electronic components are prevented from being overheated. And finally, normal operation in a low-temperature environment is ensured by using a heating pad, heat preservation or heat dissipation is adjusted according to the air temperature through the manual adjusting function of a shutter baffle, cold air invasion is avoided, the equipment stability is ensured, and the service life is prolonged.

The invention discloses a super charging pile with an automatic heat dissipation function, and relates to the technical field of charging piles, the super charging pile comprises a super charging pile body, a wire is arranged at the output end of the super charging pile body, a charging gun body is arranged at one end of the wire, and a temperature sensor is arranged on the outer surface of the charging gun body; an active cooling assembly is arranged between the wire and the outer surface of the charging gun body, the active cooling assembly comprises a connecting sleeve and two lifting plates, and a plurality of upper air outlet holes are formed in the top of the connecting sleeve; according to the super charging pile with the automatic heat dissipation function, in order to prevent the situation that in the charging process of a high-power super charging pile, the positions driven by a charging gun body and a wire are overheated, and heat cannot be effectively dissipated, heat dissipation is accelerated through the arrangement of a plurality of upper air outlet holes and a plurality of side air outlet holes, and when the temperature between the charging gun body and the wire is too high, heat dissipation is accelerated. And the circulating pump is started, and cooling liquid is conveyed into the cooling pipe, so that the internal temperature of the blocking frame is reduced.

The utility model relates to the field of signal acquisition, in particular to a signal acquisition structure with a signal shielding protection structure. The technical problem is that in the process of collecting weak signals, a conductive material is used for wrapping a signal collector to form a Faraday cage effect, so that a method for blocking external electromagnetic interference may cause certain influence on target signals, and thus the collection result may be slightly influenced. According to the technical scheme, the signal acquisition structure with the signal shielding protection structure comprises a heat dissipation assembly, a heat conduction assembly and an anti-interference assembly. By arranging the adjustable shielding device and the built-in heat dissipation system, the equipment can flexibly adjust the contact area between the signal receiving assembly and the outside, so that the acquisition effect is prevented from being influenced by insufficient target signal strength, and meanwhile, the built-in heat dissipation system can reduce the internal temperature of the equipment in real time, so that the acquisition efficiency is improved. Efficient operation in the signal acquisition process is ensured, and performance reduction caused by overheating is prevented.

The utility model discloses a bending-resistant two-layer twisted marine symmetrical fireproof communication cable, which comprises an outer-layer cable core body formed by uniformly distributing eight twisted-pair cable cores at intervals in the circumferential direction through an EPDM (Ethylene-Propylene-Diene Monomer) isolation core frame, and the center part of the EPDM isolation core frame is provided with a center hole. Four twisted-pair wire cores and PP resin filling core strips are twisted and jointly wrap an inner longitudinal wrapping layer of a modified silicone rubber ceramic mica fire-resistant composite belt to form an inner-layer wire core body, and the inner-layer wire core body is sleeved with the center hole. And a nylon tape wrapping layer, a copper wire braided shielding layer, a low-smoke halogen-free polyolefin inner sheath layer, a modified silicone rubber ceramic mica fire-resistant composite tape outer longitudinal wrapping layer, a high-temperature glass fiber wire wrapping layer and a low-smoke halogen-free polyolefin outer sheath layer are sequentially wrapped outside the outer-layer wire core body. According to the cable, the 12 pairs of twisted wire cores are arranged in two layers through the isolation core frame, the cable core structure is round and neat, the bending resistance is better, the fire resistance and flame retardance are better, the safety and reliability of the cable are enhanced, and the durability is better.

The invention discloses automatic equipment for low-temperature crushing of a pseudo-ginseng powder material, and relates to the technical field of crushing processing. Automatic equipment for low-temperature crushing of pseudo-ginseng powder materials comprises a front end assembly for crushing the pseudo-ginseng powder materials and a rear end assembly for screening finished pseudo-ginseng powder materials, the front end assembly comprises a coarse crushing machine for coarse crushing of the pseudo-ginseng powder materials and a crushing main machine for crushing of the pseudo-ginseng powder materials, and the crushing main machine comprises a base; an air inlet bin assembly is arranged above the base and comprises a first bin cylinder fixedly connected to the base, one side of the first bin cylinder fixedly communicates with a first bin pipe, a smashing bin assembly is arranged above the air inlet bin assembly and comprises a second bin cylinder fixedly connected with the first bin cylinder, and one side of the second bin cylinder fixedly communicates with a second bin pipe. The automatic equipment for low-temperature crushing of the pseudo-ginseng powder material is high in classification efficiency, effectively avoids over-crushing of the material, and saves energy consumption.

The 80w vehicle-mounted mobile phone wireless charging refrigeration and heat dissipation system comprises a charger main body, a semiconductor refrigeration module, a first thermistor installed on a PCBA board of the charger main body, a second thermistor installed on a coil of the charger main body, a first fan, an MCU control module, an AD acquisition module and a data storage module. Wherein the first thermistor and the second thermistor are electrically connected with the AD acquisition module; the AD acquisition module is used for preprocessing acquired data, converting an analog signal into a digital signal and sending the digital signal to the MCU control module; the MCU control module is electrically connected with the semiconductor refrigeration module and the first fan, the air speed of the first fan and the voltage of the semiconductor refrigeration module are intelligently controlled through the MCU control module, and generated cold air is blown into the charger body for rapid cooling; according to the system, cold air is blown to the charging equipment and the charger for cooling, so that the charging effect and the charging safety can be ensured, and the problem of high heat of a high-power (80w) charger is avoided.

The invention discloses a radio frequency dummy load multi-physical field simulation method, which comprises the following steps of S1, performing electromagnetic characteristic analysis on a radio frequency dummy load wave-absorbing structure, and calculating power loss distribution; s2, importing the power loss distribution into thermal simulation software, performing thermal simulation, and calculating steady-state temperature distribution of the radio frequency dummy load wave-absorbing structure in the oil medium; s3, taking the temperature distribution obtained by thermal simulation as a load, performing structural analysis on the radio frequency dummy load wave-absorbing structure, and obtaining thermal deformation of each part; and S4, introducing the radio frequency dummy load wave-absorbing structure after thermal deformation, updating the material characteristics, performing simulation, and finally obtaining the electromagnetic performance of the radio frequency dummy load wave-absorbing structure influenced by the temperature. By comprehensively considering the interaction of a plurality of physical fields such as an electromagnetic field, a thermal field and a mechanical field, the performance of the radio frequency dummy load in an actual working environment can be simulated more accurately, and potential design problems can be found, so that the design accuracy and reliability are improved.

The invention provides intelligent water temperature adjusting equipment for thermal power generation, and belongs to the field of thermal power generation. The intelligent water temperature adjusting equipment comprises a temperature adjusting box, a first water inlet and a second water inlet are formed in the upper ends of the left side and the right side of the temperature adjusting box correspondingly, and a hot water guide pipe is fixedly connected to the position, located at the first water inlet, of the left side of the temperature adjusting box; a heating mechanism is fixedly installed in the hot water guide pipe, a cold water guide pipe is fixedly connected to the position, located at the second water inlet, of the right side of the temperature adjusting box, a refrigerating mechanism is fixedly installed in the cold water guide pipe, a mixing mechanism is fixedly installed in the temperature adjusting box, and a temperature measuring mechanism is fixedly installed on the left side of the top of the temperature adjusting box. A filtering mechanism is fixedly installed at the lower end in the temperature adjusting box, a water outlet is formed in the lower end of the right side of the temperature adjusting box, and a water drainage pipe is fixedly connected to the position, located at the water outlet, of the lower end of the right side of the temperature adjusting box. The heating mechanism in the hot water guide pipe is used for efficiently heating water, and the refrigerating mechanism in the cold water guide pipe is used for efficiently cooling the water.

The utility model relates to aluminium solution capacitor technical field, and disclose a kind of heat dissipation type high temperature resistant aluminium solution capacitor, including electrolytic capacitor main body and the two pins of installation in electrolytic capacitor main body one end, the outer wall of electrolytic capacitor main body middle portion is equipped with and is fixedly connected with connecting ring, the outer wall of connecting ring is connected with two support assemblies, the other end of two support assemblies is connected with extension assembly, the other end of two extension assemblies is connected with rotating assembly, the inside of two rotating assemblies is connected with cooling plate, the inside of two cooling plates is connected with cooling liquid cavity filled with cooling liquid. This kind of heat dissipation type high temperature resistant aluminium solution capacitor, by setting cooling plate and cooling liquid cavity, cooling liquid (such as transformer oil) filled in cooling plate interior has good thermal conductivity, and chemical property is stable (not with aluminium reaction, long-term sealing does not oxidize), can pass through directly contacting electrolytic capacitor main body surface, quickly absorb the heat generated when working, reduce internal temperature.

The utility model discloses a self-adaptive network router, belongs to the technical field of communication, and solves the problems that the router can generate heat during continuous working, and if the heat cannot be effectively dissipated, negative effects can be possibly generated on the router. Comprising a supporting frame, a radiator fixedly connected to the supporting frame and a router shell fixedly connected to the upper portion of the radiator, and a ventilation groove communicated with the interior of the router shell is formed in the top surface and the bottom surface of the router shell; the router further comprises a heat dissipation control circuit, and the heat dissipation control circuit is arranged in the router shell and is coupled with the heat dissipation device. When the router works, the temperature in the shell of the router rises, the temperature detection circuit monitors and feeds back a signal, and after voltage comparison and logic judgment are carried out on the signal and a light signal which is collected by the light detection circuit and fed back by the indicator lamp, the timing trigger circuit starts the radiator, the internal temperature is reduced through air flow, and work is prevented from being affected by overheating.

The utility model relates to the technical field of new energy automobile charging equipment, and provides an automatic coiling charging pile which comprises a mounting box and a cable box, the left end of the inner wall of the cable box is fixedly connected with front and back opposite mounting plates, the right end of the inner wall of the cable box is fixedly connected with a mounting frame, and the front side of the mounting plate at the front side end is fixedly connected with a motor. The driving end of the motor is fixedly connected with a transmission rod, the outer side of the transmission rod is fixedly connected with a winding roller, and one end of a charging wire is fixedly installed on the outer side of the winding roller. According to the cable winding device, the motor drives the transmission rod, the winding roller and the driving wheel to operate synchronously, the cable is wound through the winding roller, and at the moment, the driving wheel drives the driven wheel to rotate through belt transmission in the rotating process, so that the screw rod rotates, and the threading plate is further driven to move; and therefore, the cable can be uniformly wound on the outer side of the winding roller, the effect of preventing the cable from being wound is achieved, and potential safety hazards caused by cable winding are reduced.

The utility model discloses a permanent magnet energy-saving submersible mixer, which relates to the technical field of mixers, and comprises a protection unit, a driving unit and a heat dissipation unit arranged in the protection unit, and a mixing unit arranged below the protection unit, the driving unit comprises a driving motor mounted in the protection unit, a transmission shaft mounted at the output end of the driving motor, and a stirring seat mounted at the end part of the transmission shaft; the heat dissipation unit comprises a rotating disc installed on the side wall of the transmission shaft, fan blades installed on the side wall of the rotating disc and heat dissipation fins installed on the side wall of the protection unit. According to the permanent magnet energy-saving submersible mixer, through the arrangement of the driving unit and the heat dissipation unit, the internal temperature of the submersible mixer during continuous use is reduced, and the use performance of a motor is improved.

This invention discloses an automatic safety inspection device for central air conditioning outdoor units, belonging to the field of air conditioning outdoor unit detection technology. It includes: a handheld support assembly comprising a support plate and a handheld lever fixed to the side wall of the support plate, with a display host fixedly mounted on the handheld lever; and an external insulation assembly comprising an insulation side plate fixedly mounted on the support plate, with an external insulation cover fixedly connected to the side of the insulation side plate away from the handheld lever, the side of the external insulation cover away from the insulation side plate being open. By setting up the external insulation assembly, internal insulation assembly, and shrinkage adjustment assembly, when using this safety inspection device for inspection, the vent is sealed to form a closed insulation cavity in low-temperature environments, and the vent is opened to allow air circulation, reducing the internal temperature. This reduces the temperature drift of the Hall current sensor due to the influence of the operating environment temperature, improves detection accuracy, and thus helps to improve the accuracy of leakage safety detection of central air conditioning outdoor units.

The utility model discloses a high-power charging power supply, which comprises a shell, a PCB (Printed Circuit Board), an AC (Alternating Current) connecting line, a CAN (Controller Area Network) communication line and a battery connecting line, the shell is provided with a containing cavity, and a plurality of heat dissipation fins are arranged on the top face of the shell. The PCB is arranged in the containing cavity, and the AC connecting line, the CAN communication line and the battery connecting line are all arranged on the shell and connected with the PCB. The heat dissipation fins are arranged on the top surface of the shell, so that the heat dissipation area of the shell is increased, heat generated by the charging power supply can be quickly dissipated to the outside, the internal temperature of the charging power supply during charging is effectively reduced, internal electronic elements are effectively protected, and the service life of the charging power supply is effectively prolonged.

The invention discloses a transformer, and particularly relates to a high-efficiency mute type transformer which comprises a body, the body comprises a central stand column and edge stand columns, the central stand column and the edge stand columns are wound with windings respectively, and fixing rings used for fixing the body are arranged on the upper side and the lower side of the body. By arranging the 8-shaped silicon steel sheets and reserving the gaps among the 8-shaped silicon steel sheets, the heat dissipation performance of the transformer is effectively enhanced, meanwhile, the eddy current effect is reduced, and the overall operation efficiency is improved. The ceramic ring is used as a fixing ring, and vibration and noise transmission can be effectively reduced due to the characteristics of ceramic materials. In addition, sponge blocks are installed at the air inlet hole and the air outlet hole of the box body, so that noise generated during air flowing and fan operation is further reduced.

The utility model discloses a textile cloth drying device, and relates to the technical field of textile cloth, in particular to the textile cloth drying device which comprises a bottom supporting sleeve, a supporting frame is supported on the bottom supporting sleeve, an electric heating refrigerator is fixedly supported in the supporting frame, a flow guide sleeve is fixedly supported on the bottom supporting sleeve, and a water inlet is formed in the flow guide sleeve. A supporting sleeve is fixedly supported on the bottom supporting sleeve, and a sealing plate is supported on the flow guide sleeve. According to the textile cloth drying device, the bottom supporting sleeve is arranged, the flow guide sleeve and the supporting sleeve are supported above the bottom supporting sleeve, the supporting sleeve is located on the inner side of the flow guide sleeve, cloth can be supported through the supporting sleeve, and meanwhile the flow guide sleeve and the supporting sleeve are annularly arranged, so that the space utilization rate can be effectively increased; and through cooperation of an arc-shaped air exchange groove and a circular air exchange groove formed in the top face of the bottom supporting sleeve, air flow guiding can be completed, and efficient drying is achieved.

This utility model relates to the field of bearing technology, specifically to a high-temperature resistant bearing for harsh working conditions. To address the high cost associated with existing technologies that innovate bearing materials to adapt to high-temperature conditions, two threaded holes are provided on the outer ring of the bearing. The axes of these two threaded holes are coplanar with the axis of the outer ring, and the two threaded holes are located on opposite sides of the outer ring groove. Corresponding grease tubes are threaded into each of the two threaded holes, and these grease tubes are connected to a grease injection pump and a grease extraction pump, respectively. The cage has through-holes for grease flow. As the cage rotates, the clearance between the rollers and raceways at different positions moves to the threaded holes. The two pumps simultaneously inject and extract grease from the internal grease through the two grease tubes, replacing the high-temperature grease with a low-temperature grease, reducing the internal temperature of the bearing, eliminating the need for the bearing material to withstand high temperatures, and extending the overall lifespan of the bearing.

The utility model relates to vacuum ion coating pretreatment equipment technical field, especially vacuum ion coating pretreatment equipment, including device body, device body is provided with connecting mechanism, connecting mechanism contains setting exhaust component on device body upper section, device body lower section is provided with connecting component, device body middle section is provided with cooling assembly. Cooling assembly through the combination of cooling fan and cooling fin, can quickly send away the heat generated by equipment operation, effectively reduce the device body internal temperature, the fixed connection of slide holder and exhaust hood can move with exhaust hood, slide on the fixed slide rod, realize the flexible heat dissipation to device different area. The cooperation of collocation fixed rod, limit spring and L shape frame guarantees the stability when heat dissipation part moves, avoids the influence equipment performance and workpiece pretreatment effect because of temperature is too high, prolongs equipment life, guarantees the continuous and stable development of pretreatment work.

The utility model relates to the technical field of fire extinguishing of energy storage containers, in particular to an automatic water injection fire extinguishing system of an energy storage container, which comprises a controller, an alarm device, the energy storage container, a reservoir embedded in the upper surface of the ground and a water replenishing device arranged on the ground, the energy storage container is arranged in the reservoir, a plurality of water inlet valves are arranged on the energy storage container, and a temperature sensor is arranged in the energy storage container; the reservoir and the water replenishing device are filled with flame-retardant fire water, a drain pipe is arranged on the water replenishing device, and a water outlet of the drain pipe is arranged in the reservoir; the temperature sensor is used for detecting temperature data of the energy storage container and feeding back a temperature detection signal to the controller; and the controller controls the opening and closing of the water inlet valve and the alarm device according to the temperature detection signal. By the adoption of the scheme, when a fire happens to the energy storage container, the energy storage container can be effectively controlled, comburent and explosives are prevented from flying out, and the fire hazard range is reduced.

The ultrathin low-power-consumption high-brightness LED backlight liquid crystal screen comprises a display screen shell, and liquid crystal screen glass, a composite brightness enhancement film, a brightness enhancement film, a diffusion film and an aluminum substrate are sequentially installed in the display screen shell from outside to inside. The aluminum substrate is provided with LED lamp beads. The liquid crystal screen glass and the composite bright enhancement film are provided with LCD layers; a reflecting film is arranged on the surface of the aluminum substrate, and a heat conduction layer is arranged between the back side of the aluminum substrate and a rear cover of the display screen shell. The reflecting film is arranged on the surface of the aluminum substrate to further reflect the light emitted by the LED lamp beads, so that the utilization rate of the light is improved, the overall brightness is improved, and the heat conduction layer is arranged between the back side of the aluminum substrate and the rear cover of the display screen shell, so that the heat conduction efficiency is improved. In this way, the temperature generated when the LED lamp beads work is transmitted to the display screen shell through the aluminum substrate and the heat conduction layer for heat dissipation, so that the internal temperature is reduced, and the situation that the internal temperature of the liquid crystal screen is too high is avoided.

The utility model relates to the field of liquid cooling charging pile cable production, in particular to a high-power temperature measurement liquid cooling charging pile cable, which comprises a sheath, two power lines are arranged in the sheath, a temperature sensing unit and a ground wire are arranged between the two power lines, the temperature sensing unit is positioned above the ground wire, and a control line is arranged on the upper side of the temperature sensing unit. The power wire core and the ground wire core of the cable adopt a mode of combining the cooling pipe and the conductor, a large amount of heat generated by high-power transmission of the power wire core and the ground wire core is taken away through circulating flow of cooling liquid, the temperature of the conductor is reduced, the charging efficiency is improved, the service life of the cable is prolonged, the weight of the cable is reduced, and use is more convenient; in addition, the control wire core conductors and the signal wire core conductors are formed by combining the tinned copper wires and the copper foil wires, the tensile strength of the single copper foil wire is not lower than 40N, and the high temperature resistance is not lower than 400 DEG C, so that the cable has excellent tensile, bending-resistant and high-temperature-resistant performance.

The utility model discloses a hydroelectric control cabinet, which comprises a control cabinet main body, an exhaust baffle plate, an inner protective plate, a mounting assembly and an air inlet assembly, the exhaust baffle plate is fixedly mounted at the upper part of the control cabinet main body, and an air pump is mounted between the bottom wall of the exhaust baffle plate and the upper wall of the control cabinet main body in a penetrating manner; the inner protection plate is arranged on the side wall of the side, away from the protection door, of the control cabinet body, the installation assembly is arranged between the opposite inner side walls of the inner protection plate, and the air inlet assembly is arranged on the side, away from the protection door, of the control cabinet body. The utility model belongs to the technical field of control cabinets, and particularly relates to heat dissipation and moisture-proof protection inside an electric energy conversion control cabinet for a hydropower station environment, an inner protection plate is additionally arranged inside the control cabinet to form an interlayer, water drop condensation is reduced, and heat generated by working of electronic components circulates and is discharged inside the control cabinet. And the dryness of the inner part of the control cabinet and the side wall around the cabinet body is improved.

The invention relates to the technical field of semen freezing, in particular to animal semen freezing equipment which comprises a cambered surface supporting mounting frame, an annular loading mounting cylinder and a liquid nitrogen storage tank and further comprises a movable buffering loading mechanism, an animal semen combined loading freezing mechanism and a passive temperature control mechanism. The movable buffer loading mechanism comprises movable mounting plates which are symmetrically arranged at the bottom of the cambered surface supporting mounting frame; the device can be stably moved to an animal semen collection area, so that the semen collection space distance is reduced, the damage of ice crystal oscillation to sperms in the transportation process is avoided, and the device can be used for freezing multiple groups of animal semen in batches; the heat exchange area of the animal semen can be increased through the conical surface structure, the freezing speed is remarkably increased, and the freezing quality of the animal semen is further improved; the animal semen cryopreservation device can automatically freeze and preserve animal semen at low temperature, greatly reduces the internal temperature in the early freezing stage, and is high in liquid nitrogen diffusion speed, low in nitrogen consumption, simple to operate, low in maintenance cost and suitable for large-scale popularization and application.

The invention relates to the technical field of pulse laser water cooling, and discloses a dustproof water cooling device based on an ultra-short pulse laser, which comprises an outer box body, a water cooling mechanism is arranged at the top of the outer box body, a vibration mechanism is arranged outside the water cooling mechanism, a transmission mechanism is arranged at one end of the vibration mechanism, and the transmission mechanism is arranged at the other end of the vibration mechanism. A cleaning mechanism is arranged at one end of the transmission mechanism, a heat dissipation mechanism is arranged on one side of the outer box body, and a dismounting mechanism is arranged on one side of the heat dissipation mechanism. The vibration mechanism comprises a motor, and the exterior of the motor is fixedly connected to the inner wall of the outer box body. A motor is started to enable a rotating rod to drive a rotating disc and a protruding block to knock the bottom of the micro-channel cooling plate, a first bevel gear rotates to enable a second bevel gear to drive a connecting rod to drive a rack to drive a moving block to slide in a reciprocating mode, and a brush at the bottom of the moving block cleans the surface of the micro-channel cooling plate to remove dust and dirt. Thus, the surface of the cooling plate is kept clean.

The invention provides an energy-saving and environment-friendly high-low voltage power distribution cabinet, and belongs to the technical field of power distribution cabinets. The sliding rail is fixedly arranged on one side of the cabinet body, and a cabinet door is arranged on the inner wall of the sliding rail in a sliding mode. During use, the cabinet door can slide on the inner wall of the sliding rail to push the two fixing blocks respectively, so that the two second telescopic rods slide to the outer surfaces of the two first telescopic rods and extrude the two reset springs respectively; at the moment, the two fixing blocks slide into the grooves, the two fixing blocks are not clamped on the inner walls of the two positioning grooves, the cabinet door is taken down from the cabinet body by sliding the cabinet door, and the internal structure of the cabinet body can be maintained and processed, so that when the power distribution cabinet is used, the cabinet door is conveniently taken down from the power distribution cabinet, and personnel can conveniently maintain and replace the interior of the cabinet body.

The contour lamp with the good heat dissipation performance comprises an aluminum outer shell, a lamp strip is installed on the inner wall of the aluminum outer shell, lamp beads are embedded in the surface of the lamp strip, fixing blocks are welded to the two sides of the bottom end of the aluminum outer shell, fixing rods are connected to the inner walls of the fixing blocks through screws, a baffle is welded to the top end of the aluminum outer shell, and the baffle is welded to the bottom end of the aluminum outer shell. And one end of the outer wall of the aluminum shell is in screw connection with a sealing cover. According to the contour lamp with the good heat dissipation performance, due to the fact that the aluminum shell and the heat dissipation holes are arranged, heat can be conveniently generated when lamp beads on a lamp strip of the contour lamp are lightened, aluminum is a material with the good heat conduction performance and has the high heat conduction coefficient, the aluminum shell can effectively conduct internal heat to the outside, and the heat dissipation performance of the contour lamp is improved. And the aluminum shell is good in anti-corrosion performance, meanwhile, internal heat can be effectively discharged through the heat dissipation holes formed in the bottom of the aluminum shell, and therefore good operation of the contour lamp is guaranteed.

The utility model belongs to the technical field of lamps, and particularly discloses a modularized heat dissipation illuminating lamp. The LED lamp comprises a lamp body, a fixed box is arranged in the lamp body, a heat dissipation box is arranged on one side of the fixed box, heat dissipation assemblies are arranged in the fixed box and the heat dissipation box, a detachable assembly is arranged between the lamp body and the fixed box, each heat dissipation assembly comprises a heat dissipation fin, a second bevel gear is arranged on one side of each heat dissipation fin, and the LED lamp can serve as an independent module through the fixed box; the heat dissipation assembly can be detachably assembled with the clamping groove of the lamp body, when the heat dissipation assembly is damaged, only the heat dissipation assembly is replaced instead of the whole lamp body, the maintenance and replacement cost is greatly reduced, and material waste is reduced; and through cooperative work of a plurality of heat dissipation components including the cooling fins, the fan, the impeller and the like, heat generated by electronic elements can be rapidly taken away, the temperature in the lamp body is effectively reduced, stable operation of the illumination lamp is guaranteed, and the service life of the illumination lamp is prolonged.