39results about How to "Heat dissipation does not affect" patented technology

The invention provides a thermal management system and method for electric vehicle batteries based on a memory alloy. The thermal management system comprises a battery box, wherein the battery box accommodates a plurality of variable heat transfer coefficient heat collection modules with the same structure, the variable heat transfer coefficient heat collection modules are sequentially arranged side by side to form a variable heat transfer coefficient heat collection unit, and the edge is connected with the inner wall of the battery box through a sliding rail; each variable heat transfer coefficient heat collection module includes two heat collection plates which are arranged side by side and have a certain spacing, the two heat collection plates are provided with a plurality of single batteries arranged side by side therebetween, the end parts of the two heat collection plates are connected through a memory alloy plate, the memory alloy plate is tightly contacted with the corresponding single batteries, the two heat collection plate are further provided with an elastic member therebetween, and the spacing between the two heat collection plate can vary with the size of the memory alloy plate. The thermal management system can automatically adjust the heat dissipation intensity according to the temperature of the battery system, and improve the temperature consistency inside thebattery system at the same time. In addition, the thermal management system is simple in structure and low in energy consumption.

A damp-proof heat dissipation power transformation cabinet disclosed by the present invention comprises a cabinet body, the inner wall of the cabinet body is fixedly connected with a transverse plate, the transverse plate divides the cabinet body into a mounting box and a cooling cavity, a dehumidification groove is formed in the upper end of the mounting box in a penetrating manner, and a dustproof net is mounted in the dehumidification groove. A sealing plate which abuts against the dehumidification groove and has a guiding function is slidably connected to the inner top of the mounting box, a temperature driving mechanism is arranged between the sealing plate and the mounting box, a draught fan is mounted on the transverse plate, a heat exchange pipe is arranged in the cooling cavity and connected with the air inlet end of the draught fan through a short pipe, and the air inlet end of the draught fan is connected with the air inlet end of the draught fan. And the other end of the heat exchange pipe is fixedly connected with a conveying pipe, and a connecting pipe communicating with the mounting box is arranged at the upper end of the mounting box in a penetrating mode. The dehumidification and damp-proof effects on the electrical equipment can be achieved, the heat dissipation effect on the electrical equipment in the cabinet body is good, meanwhile, dust in external air cannot fall on the electrical equipment, and heat dissipation of the electrical equipment cannot be affected.

The invention relates to the field of new energy vehicles, and aims to provide a damping device for a new energy vehicle battery, which comprises a lower shell, a placement box is slidably connected to the interior of the lower shell, a sealing body is arranged on the outer wall of the bottom of the placement box, and uniformly distributed guide columns are welded to the outer wall of the bottom of the placement box; guide sleeves which are evenly distributed are welded to the inner wall of the bottom of the lower shell, the guide columns are inserted into the guide sleeves in a sliding mode, the guide sleeves are sleeved with springs, two extrusion plates are arranged in the containing box, protective layers are bonded to the outer walls of one sides of the two extrusion plates, and air guide holes which are evenly distributed are formed in the protective layers. According to the damping device for the new energy automobile battery, the springs are used for achieving the damping effect on the new energy automobile battery in the storage box in the up-down direction, the protective layer is used for achieving the damping effect on the new energy automobile battery in the left-right direction, the multiple sets of batteries have the buffering damping effect through the buffering particles, and therefore the good damping effect on the batteries is achieved.

The invention discloses a honeycomb vane radiator for a hollow shaft conductive modularized LED lamp and an LED lamp bank, and relates to the improvement on a honeycombed lamp radiator structure and a modularized LED lamp bank structure. The honeycomb vane radiator is lighter, convenient to assemble, excellent in radiating performance, and good in drainage and humidity elimination effects. An LED light source mounting surface is arranged on the bottom surface of a radiator body; and a plurality of through holes vertical to the mounting surface are formed in the radiator body, so that the radiator body has a hollow honeycombed structure. The LED lamp bank further comprises an upper connecting hollow shaft and a pair of lower connecting strips; a connecting plane is arranged at the bottom of the upper connecting hollow shaft; the LED lamp bank comprises at least two radiators; series connection surfaces of the two radiators are positioned on the same plane, and are connected through the connecting plane at the bottom of the upper connecting hollow shaft; and the lower connecting strips are arranged in a notch, and are connected onto the radiator body through a fastening piece to cause the two radiators to be connected into a whole. The radiating area is large, the radiating airflow exchange is smooth, the radiating effect is good, and consumed material is less.

The invention discloses a heat radiation and diversion cabinet comprising a cabinet body which is internally provided with a first air duct and a second air duct. The first air duct comprises a firstair inlet which is arranged on the bottom part of the cabinet body and a first air outlet which is arranged in the middle part of the cabinet body. The second air duct comprises a second air inlet which is arranged in the middle part of the cabinet body and a second air outlet which is arranged on the top part of the cabinet body. The first air outlet and the second air inlet are perpendicular tothe cabinet body panel. The heat radiation and diversion cabinet also comprises a separating plate which is installed between the cabinet body panel and the mainboard. The separating plate is arrangedon the position between the first air outlet and the second air inlet. Cold air intaking and hot air discharging can be independently performed, two sets of air ducts have no mutual interference andthe air temperature superposition effect does not occur so that the heat radiation effect is great; besides, the system flow resistance is low so that the rotating speed of the equipment fan can be reduced, the electric energy consumed for high speed rotation of the fan can be saved, and the comprehensive effect of energy conservation and emission reduction can be achieved.

The invention relates to a high-voltage shore power supply container type heat dissipation structure. Thehigh-voltage shore power supply container type heat dissipation structure is characterized by comprising a container body and three columns of unit modules (3) arranged in the container body, wherein each column of unit modules (3) is provided with six unit modules, each column of unit modules(3) is provided with an independent heat dissipation fan (1) and an independent heat dissipation air duct (2), and the heat dissipation fan (1) is arranged at the top of the heat dissipation air duct(2); the unit modules (3) are installed at the position of an opening in one side of the heat dissipation air duct (2), the heat dissipation fan (1) sucks external cold air from an air inlet in the bottom of the heat dissipation structure, the external cold air enters the left heat dissipation air duct (2) and then enters the unit modules (3) for heat dissipation, and the hot air obtained after heat dissipation is exhausted from the right heat dissipation air duct (2) and finally exhausted out of the heat dissipation structure. The high-voltage shore power supply container type heat dissipation structure is small in size and high in stability, and the service life of a high-voltage shore power supply is not influenced by corrosive gas and dust.

The invention discloses a working safety early warning method for a ventilation and heat dissipation system of a rail transit vehicle-mounted transformer. The working safety early warning method comprises the steps of 1, inputting the air inlet area S and an early warning critical value k of the ventilation and heat dissipation system; 2, monitoring the environment temperature T, the atmospheric pressure P and the air outlet amount Q of the ventilation and heat dissipation system online; 3, calculating to obtain an air volume standard value Qs of the ventilation and heat dissipation system of the rail transit vehicle-mounted transformer through a formula (1) shown in the description; 4, calculating to obtain a working safety risk coefficient G of the ventilation and heat dissipation system through a formula (3) shown in the description; and 5, conducting early warning judgment, specifically, comparing the working safety risk coefficient G with the early warning critical value k, and giving out early warning when the working safety risk coefficient G is greater than the early warning critical value k. The method has the advantages that the required online monitoring quantity is small, the process is clear and simple, the working state of the ventilation and heat dissipation system of the rail transit vehicle-mounted transformer can be effectively evaluated, and early warning judgment is made.

The embodiment of the invention provides an air duct sealing structure and an electronic device, which relate to the field of electronic devices. The air duct sealing structure is arranged at the receiving part of the electronic device, the air duct sealing structure comprises a bracket, a flap and a pusher, and the bracket surrounds an air outlet and is connected with the receiving part; the flapis rotatably connected with the bracket and the air outlet is closed by the flap; the pusher is movably connected with the bracket for moving relative to the bracket under the external force and pushing the flap to rotate relative to the bracket to open the air outlet. The air duct sealing structure and the electronic device provided by the embodiment of the invention can improve the heat dissipation efficiency, reduce the energy consumption, effectively reduce the impact sound when the functional module is inserted and removed, and improve the user experience.

The invention relates to an antenna box with a fixing structure and belongs to antenna boxes. The antenna box with the fixing structure comprises a box body. The box body comprises an upper cover body and a lower shell body. The upper cover body is connected to the lower shell body in a clamped mode to form a cavity. The lower shell body is provided with a vertically arranged baffle. The lower shell body is further provided with a blocking plate. The baffle and the blocking plate are arranged oppositely. A circuit board is obliquely arranged between the baffle and the blocking plate. One end of the circuit board abuts against the bottom of the blocking plate. The other end of the circuit board is abuts against the upper portion of the baffle. According to the antenna box with the fixing structure, the circuit board is obliquely arranged in the box body and is not attached to the lower shell body, so signals can not be affected, the heat dissipation effect is better, and the service life of the circuit board is prolonged effectively; the circuit board abuts against the baffle, the blocking plate and the upper cover body respectively, so that fixation is achieved, an additional silica gel beating process is not needed, production and installation are convenient, the auxiliary material cost is saved, and the production speed is increased at the same time.

The invention discloses a novel short-process melt electrostatic spinning instrument of an intelligent integrated 3D print platform. The novel short-process melt electrostatic spinning instrument of the intelligent integrated 3D print platform comprises a motor supporting frame, a motor, an insulated isolation plate, a second insulated isolation accessory, a gear, a FDM print wire rod reel and anelectrostatic field box. By the adoption of the 3D print adopting the fused deposition principle, a short-process hot fusing extrusion head system is simple in structure, easy to operate, low in cost,safe in operation and simple in aftertreatment, and by exerting high-voltage electricity, the obtained fiber has a micro-nano-scale feature; compared with existing electrostatic spinning, the novel short-process melt electrostatic spinning instrument of the intelligent integrated 3D print platform has the advantages that raw materials are universal 3D print consumables, by means of intelligent integrated combination of 3D print and the self-assembly electrostatic field, the formed fiber is controllable in morphology, an exhaust fan and an intake fan operate at the same time during air circulation, heat dissipation of the box body is achieved, after intake air is settled and dried, the intake air cannot influence material machining in the box body, and therefore the material quality can bebetter guaranteed.

The invention relates to the technical field of transformers and particularly relates to an outdoor high-reliability transformer. The transformer comprises a transformer body and a radiator, wherein abottom plate is fixedly connected to the left side of the top end of the transformer body, a supporting plate is fixedly connected to the top end of the bottom plate, and an oil conservator is fixedly connected to the top end of the supporting plate; the oil conservator comprises an oil conservator body, the front end and the rear end of the oil conservator body are each fixedly connected with adetection device, and each detection device comprises a fixing cover, a first motor, a fixing cylinder, a ball, a connecting rod and an oil leakage detector. The transformer is advantaged in that an oil leakage detector is used for detecting whether oil leakage exists at the oil conservator connecting position or not, meanwhile, the oil leakage detector is connected with the reminding device on the inner side of the worker monitoring room, workers can conveniently find out the oil leakage phenomenon at the oil conservator connecting position in time, therefore, timely maintenance and treatmentare achieved, and use reliability of the transformer body is improved.

The invention provides a server cabinet. The server cabinet comprises a rack, a plurality of layers of fan sets and two power sources. A plurality of layers of servers are placed in the rack. Each fan set comprises two fans which are arranged on the back portion of the rack side by side, one fan of each fan set is electrically connected to one power source, and the other fan of each fan set is electrically connected to the other power source. The invention further provides a fan power source connecting method applied to the server cabinet. According to the server cabinet, the two power sources are provided for supplying power to different fans in the common fan sets, when one power source breaks down, the phenomenon that the two fans in each fan set stop rotating at the same time so that the servers cannot radiate easily is effectively avoided, and radiating of the servers even cannot be affected.

The invention belongs to the technical field of walking sticks, and particularly relates to a walking stick capable of performing airflow type heat dissipation on the palm center. A walking stick capable of conducting airflow type heat dissipation on the palm center comprises a walking stick handle, a walking stick rod barrel and a walking stick base, wherein the walking stick base, the walking stick rod barrel and the walking stick handle are sequentially connected, a plurality of through holes are formed in the lower portion of the outer surface of the walking stick rod barrel, the walking stick base comprises a corrugated barrel, and a valve is arranged in the center of the bottom of the corrugated barrel. The walking stick base, the walking stick rod barrel and the walking stick handleare arranged; when a user walks, after contact with the ground, the corrugated barrel is extruded to form airflow flowing, one part of the airflow flows into the walking stick handle through the airflow type hose to cool the palm of a user, the other part of the airflow directly flows into the walking stick handle from the walking stick rod barrel to cool the palm center of the user, the effect is faster, no electric appliance element is involved, and heat dissipation of the walking stick cannot be affected.

The invention discloses a protective device of an intelligent power distribution photovoltaic direct current power distribution cabinet, wherein the protective device comprises a protection box and a power distribution cabinet body; a threaded rod is rotatably connected to the interior of one end of the protection box through a bearing, threaded sleeves are in threaded connection to the surface of the threaded rod, and first hinge rods are hinged to the surfaces of the threaded sleeves through hinge seats; and a first clamping plate is hinged to the ends, away from the threaded sleeves, of the first hinge rods through hinge seats. By rotating the threaded rod, the directions of threads at the two ends of the threaded rod are opposite, so that the threaded rod can drive the two threaded sleeves to get close to each other or get away from each other, and when the two threaded sleeves get close to each other, the threaded sleeves drive the first hinge rods to be hinged, and the first hinge rods push the first clamping plate to move towards one end of a second clamping plate; therefore, the first clamping plate is matched with the second clamping plate to clamp the power distribution cabinet body in the protection box, and adjustment can be carried out according to the size of the power distribution cabinet body.

The invention discloses a marine controller mounting base comprising a base body; electric push rods are arranged on the two opposite sides of the base body; a butt joint plate is arranged on one side of each electric push rod, a motor is arranged on the lower portion of the base body, fan blades are arranged at the output end of the motor, and take-up grooves, second springs and damping rods are arranged on the outer wall of one end of the base body; and one end of each of the four damping rods is provided with a mounting foot. The marine controller mounting base has the beneficial effects that the controller can be fixed through the electric push rods, butt joint plates and rubber pads, and the purpose that the controller cannot slide off or be broken is achieved; wires can be reasonably collected, sorted and fixed through the wire collecting grooves and semicircular wire clamping grooves, and the purpose of avoiding dangerous consequences caused by shaking and winding is achieved; vibration can be reduced to the minimum value through the springs and the damping rods, and the purpose that the precision of the controller cannot be affected by jolting is achieved; hot air can be exhausted through the motor, the fan blades and heat dissipation holes, and the purpose that the controller does not go wrong due to heat dissipation is achieved.

The invention discloses a switched reluctance motor convenient to assemble and provided with a damping structure. The invention relates to the technical field of switched reluctance motors. The motorcomprises a motor main shell, a motor shaft and a damping support mechanism, and a rear shell is mounted behind the motor main shell; the rear shell is fixed with the motor main shell through a firstfixing bolt; a heat dissipation mechanism is installed in the rear shell, a front shell is installed in front of the motor main shell, an outer sleeve shell is connected to the outer portion of the side, close to the motor main shell, of the front shell, the outer sleeve shell is fixed to the motor main shell through a second fixing bolt, and the motor shaft is arranged in front of the interior ofthe motor main shell and the interior of the front shell. The beneficial effects of the switched reluctance motor are that the switched reluctance motor facilitates the installation and disassembly between the motor main shell and the rear shell through the first fixing bolts, facilitates the installation and disassembly between the motor main shell and the front shell and between the motor mainshell and the outer sleeve shell through the second fixing bolts, and facilitates the overall assembly of the motor.

The embodiment of the invention discloses an architecture for supporting ultrahigh power consumption of a small satellite. The architecture comprises a main body structure, an attitude control cabin and a solar panel, wherein the main body structure is provided with a plurality of cabin segments for installing a satellite single unit of the small satellite, and the plurality of cabin segments aredistributed in the same distribution plane; the attitude control cabin is arranged in the distribution plane where the cabin segments are distributed so that the main body structure and the attitude control cabin are integrally in a plate shape; and the solar panel is configured to be in an unfolded state extending out of the main body structure so as to convert solar energy into electric energy used by the small satellite.

The invention discloses an outdoor high-voltage power distribution cabinet which comprises a cabinet body, a base and a door body, heat dissipation structures are arranged outside the cabinet body, the heat dissipation structures are symmetrically distributed, each heat dissipation structure comprises a frame, a honeycomb heat dissipation opening, a magnet block and a drawing plate, and the framesare connected to the outer surface of the cabinet body in a welded mode. According to the invention, the sealing strip is combined with the rubber baffle plate; the problem of poor sealing performance of the power distribution cabinet in use is well solved; the sealing strips are arranged on the inner edges of the door body. A rubber baffle plate is arranged in the cabinet body; when the door body is closed, the sealing strip is pressed on the rubber baffle. Therefore, the gap between the door body and the cabinet body is filled, the sealing protection performance in the application process in rainy and snowy days is greatly improved, the dryness inside the cabinet body is well maintained, adverse effects of water vapor and accumulated water on circuits and equipment inside the cabinet body are avoided, and the cabinet is simple in overall structure, high in functionality and practical.

The invention discloses a heat dissipation device for a wind power generator. An air guide box body is arranged outside the wind power generator, a heat dissipation box body communicated with the air guide box body is arranged at the tail end of the air guide box body, the air guide box body is provided with ventilation holes, a heat dissipation fan is arranged on the inner wall of the tail end of the heat dissipation box body, and a cover body is arranged outside the heat dissipation fan. An air outlet facing the wind power generator is formed in the cover body. A refrigeration box is further arranged in the heat dissipation box body, refrigeration equipment used for generating cold air is arranged in the refrigeration box, the refrigeration box is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe extends into the air outlet, and the air outlet pipe extends to the wind power generator. The air inlet pipe forms a first air outlet channel, a second air outlet channel is formed between the outer surface of the air inlet pipe and the inner wall of the air outlet, a driving assembly and an air baffle are arranged on the cover body, and the driving assembly is connected with the air baffle and used for driving the air baffle to open or close the first air outlet channel and the second air outlet channel. By adopting the heat dissipation device for the wind power generator, the wind power generator can be quickly cooled in an energy-saving manner.

The invention provides a thermal management system and method for electric vehicle batteries based on a memory alloy. The thermal management system comprises a battery box, wherein the battery box accommodates a plurality of variable heat transfer coefficient heat collection modules with the same structure, the variable heat transfer coefficient heat collection modules are sequentially arranged side by side to form a variable heat transfer coefficient heat collection unit, and the edge is connected with the inner wall of the battery box through a sliding rail; each variable heat transfer coefficient heat collection module includes two heat collection plates which are arranged side by side and have a certain spacing, the two heat collection plates are provided with a plurality of single batteries arranged side by side therebetween, the end parts of the two heat collection plates are connected through a memory alloy plate, the memory alloy plate is tightly contacted with the corresponding single batteries, the two heat collection plate are further provided with an elastic member therebetween, and the spacing between the two heat collection plate can vary with the size of the memory alloy plate. The thermal management system can automatically adjust the heat dissipation intensity according to the temperature of the battery system, and improve the temperature consistency inside thebattery system at the same time. In addition, the thermal management system is simple in structure and low in energy consumption.

The invention discloses a preparation device of a photoelectric composite cable for 5G. The preparation device comprises a base; a plastic extruding machine body is fixedly mounted at the top end of the base; the top end of one side of a feeding funnel is fixedly connected with a feeding pipe; one end of the feeding pipe is fixedly connected with a feeding fan; one end of the feeding fan is fixedly connected with a material conveying pipe; one end of the material conveying pipe is fixedly connected with a cutting mechanism; the cutting mechanism comprises a collecting funnel, a mounting frame,a cutting motor, a rotating block, a rotating cutter bar, a rotating blade, a fixed blade, a connecting frame, a cutter rest, a fixed bolt, an annular cutter and a cutting edge; the annular cutter ismatched with the cutting edge; the polyethylene protective layer on the outer side of the photoelectric composite cable after cooling forming is cut, the thickness of the polyethylene protective layer is kept consistent, polyethylene protective layer cuttings are conveyed into the feeding funnel through the collecting funnel, the feeding pipe, the feeding fan and the material conveying pipe, thequality of the photoelectric composite cable is improved, and meanwhile the utilization rate of resources is increased.

The invention discloses a coil winding of an ocean platform transformer. The coil winding comprises an iron core column, low-voltage coils and high-voltage coils, wherein the iron core column is cylindrical, the surface of the iron core column is sleeved with a low-voltage insulating cylinder, the low-voltage insulating cylinder is wound with multiple layers of low-voltage coils, four low-voltageair duct plates are further arranged in the low-voltage coils, the outermost layer of the low-voltage coil is sleeved with a high-voltage insulating plate, the high-voltage insulating plate is wound with multiple layers of high-voltage coils, three high-voltage air duct plates are arranged in the high-voltage coils, and epoxy resin is poured to the low-voltage coils and the high-voltage coils. According to the coil winding, uniform heat dissipation can be realized among the low-voltage coils and the high-voltage coils, and air ducts of the air duct plates are of a staggered structure, so thatheat dissipation of a certain blocked air duct is not influenced; and meanwhile, the surface of the coil winding is coated with a layer of nano-material, so that the transformer does not discharge along a dielectric surface in a high-mildew environment.

The invention belongs to the technical field of power adapters, and particularly relates to a power adapter capable of effectively dissipating heat. The power adapter comprises a power adapter body, and a heat dissipation structure is arranged at the top of a protective shell of the power adapter body. The heat dissipation structure comprises an annular frame, a dust filter screen, an insertion rod and a slot, the top of the protective shell of the power adapter body is open, and the slot is formed in the top of the protective shell; the insertion rod is fixedly connected to the bottom of the annular frame, the dust filter screen is fixedly connected to the inner side wall of the annular frame, and the insertion rod is in clearance fit with the slot. Through the cooperative use of the annular frame and the dust filter screen, efficient heat dissipation of the power adapter body can be achieved, external dust can be prevented from entering the protection shell, dust is prevented from being adsorbed on the surfaces of components in the power adapter, and further the heat dissipation of the components is not affected, the components work normally, and the service life of the power adapter is prolonged.

The invention discloses a reinforced computer mainboard based on a Loongson 3A processor. The reinforced computer mainboard comprises a protective cover and a bottom plate fixed at the bottom of the protective cover, an air inlet pipe arranged on the side wall of the protective cover and being of a spiral structure, a sealing assembly arranged on the surface of the bottom plate and used for sealing the protective cover, a conveying mechanism arranged on the outer side of the protective cover and used for discharging air, so that a sweeping mechanism sweeps a main board assembly in a reciprocating manner; two threads opposite in direction are arranged on the surface of a lead screw, so that a rotary drum can be rotated; when a stop lever makes contact with a first limiting block, the stop lever abuts against the threads, the lead screw drives a moving mechanism to operate, and movement of the moving mechanism is achieved. When the motor rotates to drive the lead screw to rotate and thestop lever makes contact with the second limiting block, the stop lever abuts against the threads, the stop lever can drive the sweeping mechanism to incline upwards, and therefore the sweeping mechanism cannot make contact with the main board assembly in the process that the lead screw drives the moving mechanism to move.

The invention discloses a multi-point touch device and display equipment. The multi-point touch device and display equipment comprises a touch display device, a multifunctional protective shell and atoilet paper placing chamber, wherein the periphery of the touch display device is fixedly connected with the multifunctional protective shell; one side of the bottom of the multifunctional protective shell is fixedly connected with the toilet paper placing chamber; the top end of the multifunctional protective shell is connected with top heat dissipation holes in a penetrating mode; the bottom end of the multifunctional protective shell is connected with bottom end heat dissipation holes in a penetrating mode; a display device edge protection pad is fixedly connected to the interior of the multifunctional protection shell; the surface of the display device edge protection pad is fixedly connected with a sponge pad; the sponge pad plays a role in protecting the device main body; a storagesupporting mechanism improves the flexibility of the device main body; a hand cleaning mistaken touch prevention mechanism prevents mistaken touch of workers; the stability of the device main body isimproved through an anti-skid supporting base; the environmental protection property of the device main body is improved through a waste paper storage box; and an anti-collision pad plays a role in protecting the device, thus being suitable for being used in a multi-point touch device and having wide development prospects in the future.

The invention discloses an artificial intelligence real-time monitoring device, and relates to the technical field of monitoring, the artificial intelligence real-time monitoring device comprises a monitoring main box body and a mobile base, the top surface of the mobile base is fixedly connected with a lifting column for supporting and adjusting lifting of the monitoring main box body, and the top end of the monitoring main box body is rotatably provided with a hollow rotary monitoring column; a plurality of monitoring cameras are installed on the surface of the top end of the rotating monitoring column, a motor is fixedly installed on the bottom wall in the monitoring main box body, a U-shaped frame is installed above the motor, a rotating shaft is connected to an output shaft of the motor, and a transmission mechanism located on the outer side of the rotating shaft is arranged at the top end of the U-shaped frame and used for driving the rotating monitoring column to rotate. The device further comprises a cleaning plate capable of cleaning the rotary monitoring column. In the real-time monitoring process of the monitoring camera, no monitoring dead angle is ensured, the cleaning requirement can be responded in time, and the monitoring definition is ensured.

The invention discloses a safety protection device of an air conditioner outdoor unit. The safety protection device comprises a device body and the air conditioner outer unit, the air conditioner outer unit is arranged inside the device body, the air conditioner outer unit is arranged in the device body in an embedded mode, a fan is arranged on the front surface of the air conditioner outer unit,the fan is arranged in the air conditioner outer unit in an embedded mode, an air conditioner door sheet is arranged on the right side of the air conditioner outer unit, the air conditioner door sheetis arranged in the air conditioner outer unit in an embedded mode, a waterproof plate is arranged above the device body, the waterproof plate is arranged in the device body in a welding mode, a guardrail is arranged on the front surface of the device body, and the left end and the right end of the guardrail are arranged in the device body in a welded mode. According to the safety protection device of the air conditioner outdoor unit, the left side of the bottom surface of an arranged triangular block is lower than the right side of the bottom surface of the arranged triangular block so that rainwater can be prevented from being poured into the air conditioner outdoor unit, due to the facts that hot air of air conditioner outer unit floats upwards, and the right side of the inclined planeabove the water baffle guardrail is lower than the left side of the incline plane, the air conditioner outdoor unit can quickly dissipate heat.

The invention discloses a preparation device of a photoelectric composite cable for 5G. The preparation device comprises a base; a plastic extruding machine body is fixedly mounted at the top end of the base; the top end of one side of a feeding funnel is fixedly connected with a feeding pipe; one end of the feeding pipe is fixedly connected with a feeding fan; one end of the feeding fan is fixedly connected with a material conveying pipe; one end of the material conveying pipe is fixedly connected with a cutting mechanism; the cutting mechanism comprises a collecting funnel, a mounting frame,a cutting motor, a rotating block, a rotating cutter bar, a rotating blade, a fixed blade, a connecting frame, a cutter rest, a fixed bolt, an annular cutter and a cutting edge; the annular cutter ismatched with the cutting edge; the polyethylene protective layer on the outer side of the photoelectric composite cable after cooling forming is cut, the thickness of the polyethylene protective layer is kept consistent, polyethylene protective layer cuttings are conveyed into the feeding funnel through the collecting funnel, the feeding pipe, the feeding fan and the material conveying pipe, thequality of the photoelectric composite cable is improved, and meanwhile the utilization rate of resources is increased.

The invention relates to the related technical field of projection equipment, and discloses an intelligent projector for modern teaching and training. The intelligent projector comprises a wall body and a projector, the inner wall of the wall body is provided with a fire-fighting pipe, the inner wall of the wall body is provided with a storage cavity with a downward opening, the side wall of the fire-fighting pipe is in threaded connection with a support frame located in the storage cavity, and a movable plug is movably mounted on the inner wall of the supporting frame, and an adjusting pipe is fixedly connected to the inner wall of the movable plug. The fan blades are arranged in the adjusting pipe and communicated with the inner cavity of the projector through the heat dissipation cavity, so that the pressure of airflow in the inner cavity of the supporting frame is enhanced through rotation of the fan blades, the projector is pushed out, and therefore height adjustment of the projector is achieved; meanwhile, hot airflow blown by the fan blades exchanges temperature with a cold water medium in the fire-fighting pipe; water medium cooling in the projector is realized, the external temperature does not influence heat dissipation of the projector, and finally automatic adjustment of the installation height and water-cooling heat dissipation are realized.