1403 results about "Computer fan" patented technology

The invention relates to the technical field of transformers, in particular to a power electronic transformer with a shielding structure, which mainly comprises a transformer body, a radiator is fixedly mounted on the side surface of the transformer body, a cooling fan is fixedly mounted at the end part of the radiator, and a weak current box is fixedly mounted at the end part of the transformer body. Double oil mist separation is achieved through the deoiler, one is that spiral ascending airflow is formed through guiding of the jet pipe, oil mist in gas is removed according to the centrifugal demisting principle, and the other is that residual oil mist in the gas is secondarily intercepted through the filter element pipe, so that the oil mist in respiratory airflow can be effectively removed, the oil mist interception efficiency is remarkably improved, and the oil mist separation efficiency is greatly improved. Meanwhile, the elastic membrane of the buffer can absorb sudden pressure change of the oil conservator through elastic deformation, so that the pressure fluctuation amplitude is reduced when the load changes suddenly, pulverization or structural damage of the drying agent caused by strong airflow impact is avoided, it is ensured that the moisture absorption drying agent is always in a clean and stable working environment, and the efficient dehumidification capacity is maintained.

The invention relates to the technical field of temperature control optimization, and discloses an aviation case liquid cooling heat dissipation temperature control optimization method, system and equipment, and the method comprises the steps: collecting instantaneous temperature data, temperature change rate data and thermal load data through a temperature sensor array on the surface of an aviation case; calculating to obtain an instantaneous temperature deviation value, a temperature change rate deviation value and a thermal load deviation value; generating a temperature tracking prediction value based on the instantaneous temperature deviation value, the temperature change rate deviation value and the thermal load deviation value; and liquid cooling heat dissipation parameter collaborative optimization is executed based on the temperature tracking predicted value, an optimal parameter control strategy is determined, and the flight box liquid cooling pump rotating speed, the adjusting valve opening degree and the heat dissipation fan frequency are synchronously adjusted according to the optimal parameter control strategy, so that intelligent collaborative optimization of the liquid cooling pump rotating speed, the adjusting valve opening degree and the heat dissipation fan frequency is realized; and the stability and the reliability of the aviation case liquid cooling heat dissipation temperature control system are improved.

A portable air-cooled fiber laser device disclosed by the present invention comprises a box body, a laser pumping source, a fiber output assembly, a power supply assembly, a heat dissipation engine and a control circuit are integrated in the box body, the power supply assembly adopts a drawable structure, a replaceable battery is arranged in the power supply assembly, and energy supply without an external power supply is realized. The heat dissipation engine is arranged in a sandwich type structure and is composed of a heat dissipation fin set and heat pipes embedded in the heat dissipation fin set, a transverse ventilation heat dissipation channel is formed through a heat dissipation fan, and efficient heat management is achieved. Connection with a mobile terminal or computer equipment in a wired or wireless mode is supported, and remote control over the operation state of the laser is achieved. The device is compact in structure, efficient in heat dissipation and convenient to carry, has good heat dissipation performance, independent power supply capacity and environmental adaptability, is suitable for application scenes such as multi-scene field operation and emergency use, and has good practicability and popularization value.

The invention discloses a laser heat dissipation system and method and an air-cooled fiber laser, and relates to the technical field of lasers, the disclosed laser heat dissipation system comprises a data acquisition module, a main control module, a fan driving module and a heat dissipation fan, the main control module is electrically connected with the data acquisition module and the fan driving module, and the fan driving module is electrically connected with the heat dissipation fan. The fan driving module is electrically connected with the cooling fan; the data acquisition module is used for acquiring the output power, the input current, the input voltage and the temperature value of the laser; the main control module is used for determining a reference fan control signal according to the output power and correcting the reference fan control signal according to the temperature value and / or an efficiency value calculated through the output power, the input voltage and the input current to obtain a target fan control signal; and the fan driving module is used for controlling the rotating speed of the cooling fan according to the target fan control signal. The heat dissipation efficiency of the laser heat dissipation system can be improved.

The utility model discloses a heat dissipation fan with a hollow structure, which comprises a fan frame, fan blades, a display module and a driving module, a mounting cylinder is arranged in the middle of the fan frame, a first bearing is arranged in the mounting cylinder, a sleeving shaft is arranged in the middle of the fan blades, the sleeving shaft is inserted in the mounting cylinder, a second bearing is arranged in the sleeving shaft, a fixing shaft is arranged in the middle of the display module, and the driving module is arranged in the fixing shaft. The fixing shaft is inserted into the sleeving shaft, the end portion of the insertion end penetrates through the bottom of the mounting cylinder to be in limiting connection, the driving module is arranged on the outer side of the mounting cylinder and matched with the fan blades, and when the driving module drives the fan blades to rotate, the display module is in a standing state through the fixing shaft. According to the cooling fan of the hollow structure, the overall structure of the cooling fan can be simplified through the installation cylinder of the fan frame, the hollow sleeving shaft of the fan blades and the hollow fixing shaft of the display module, assembling is convenient and fast, after assembling, the driving module can drive the fan blades to rotate, and the cooling effect is good. When the fan blades rotate, the display module can be in a standing state through the fixing shaft.

The utility model discloses an energy storage cabinet body with multidirectional heat dissipation, which relates to the field of energy storage cabinets, and comprises a cabinet main body, a heat dissipation mechanism for multidirectional heat dissipation in the cabinet main body is arranged in the cabinet main body, and the heat dissipation mechanism comprises a refrigerator fixedly mounted on the back surface of the cabinet main body. The cabinet body is internally provided with a cold air chamber and a cooling flow channel, the top of the cabinet body is fixedly provided with a heat dissipation fan, the top of the cabinet body is provided with a heat dissipation opening and a heat dissipation flow channel, and the inner wall of the cabinet body is provided with an adjusting mechanism used for adjusting the cooling wind direction. According to the energy storage cabinet body with the multidirectional heat dissipation function, the multidirectional heat dissipation mechanism is arranged, so that heat dissipation is carried out on the interior of the cabinet body from the bottom, the back face, the side walls and the top of the cabinet body at the same time, heat generated by a battery module and electronic elements in the energy storage cabinet can be dissipated out efficiently in an omnibearing mode, internal heat accumulation is effectively avoided, and the service life of the energy storage cabinet is prolonged. Temperature distribution in the energy storage cabinet is more uniform, and potential safety hazards are reduced.

The invention discloses a low-loss high-frequency transformer based on nanocrystalline alloy, and belongs to the technical field of transformers, the low-loss high-frequency transformer comprises a mounting plate, an n-shaped framework, a columnar magnetic core, a winding and a protective heat dissipation mechanism, the columnar magnetic core is of a three-column type composite structure and is formed by staggering and laminating nanocrystalline thin film layers and ferrite sheet layers, a stepped air gap structure and an insulating isolation layer are arranged on the outer surface; and the winding leading-out end is connected with an external circuit through symmetrically distributed plug connectors. The protective heat dissipation mechanism is composed of an epoxy layer containing boron nitride filler, a heat conduction ring, heat dissipation fins, a heat dissipation fan and a flow guide plate. The advantages of nanocrystalline and ferrite materials are combined, a composite heat dissipation system is matched, the magnetic core loss under the high-frequency working condition is remarkably reduced, temperature rise is effectively controlled, the insulation performance and assembly stability are improved, low-loss, high-efficiency and high-stability operation is achieved, and the requirements of the fields of new energy automobiles, photovoltaic energy storage and the like are met.

The invention relates to the technical field of storage batteries, in particular to a storage battery temperature control device for a new energy transport vehicle for traffic transportation, which comprises a shell, an air inlet cover is fixedly connected to the bottom of the shell, a driving shaft is rotatably connected to the air inlet cover, a cooling fan is fixedly connected to the top of the driving shaft, and a top partition plate frame is fixedly connected to the top of a polygonal partition frame. Five evenly-distributed limiting seats are fixedly connected to the inner side of the polygonal partition frame, air inlet flow dividing pipes are fixedly connected to the interiors of the limiting seats, ventilation supports are fixedly connected to the tops of the air inlet flow dividing pipes, and battery packs are installed at the tops of the ventilation supports. According to the invention, firstly, a low-energy-consumption basic heat dissipation air channel is constructed by using a hot air rising principle, when it is detected that the temperature of a single battery is abnormal, a directional cooling mechanism can be immediately started, airflow is concentrated to carry out targeted cooling on a heating source, and adjacent air channels are opened through mechanical linkage to carry out collaborative heat dissipation; when a plurality of adjacent batteries are overheated at the same time, linkage is cut off in a self-adaptive manner, thermal interference is prevented, and independent and efficient heat dissipation of each high-temperature point is ensured.

The invention discloses a fan rotating speed adjusting method and device, equipment, a storage medium and a program, and relates to the technical field of servers, the fan rotating speed adjusting method comprises the steps that basic information of a target server is obtained from a server management system, the basic information comprises temperature information when the target server runs and firmware version information used by the target server, and the temperature information is stored in the server management system; obtaining hardware configuration information of the target server; determining a real-time running state of a target server according to the basic information, and determining whether the target server needs to carry out standby speed regulation of a cooling fan or not; and adjusting the running rotating speed of the cooling fan based on a determination result of standby speed regulation and the real-time running state. The problems of energy waste caused by continuous low-speed operation of the fan and assembly overheating caused by long-time standby due to complete stalling of the fan in the related technology are solved.

The utility model discloses an efficient heat dissipation portable energy storage power supply structure, which comprises a mounting shell, the mounting shell comprises an upper cover, a bottom plate and side plates, the upper cover, the bottom plate and the side plates define a containing cavity, the side plates comprise two first side plates and two second side plates which are oppositely arranged, at least two heat dissipation fans are arranged in the containing cavity, and the heat dissipation fans are arranged in the containing cavity. The at least two cooling fans are oppositely arranged on the two second side plates; at least one ventilation opening communicated with the containing cavity is formed in any second side plate and directly faces the cooling fan, the cooling fan can guide external cold air into the containing cavity through the ventilation openings, and a cooling structure is arranged below one ventilation opening. Cold air enters the containing cavity from the heat dissipation structure close to the bottom plate and the ventilation opening in the same side and is exhausted from the ventilation opening in the other end after passing through the battery cell and other heating components, heat generated during equipment operation can be rapidly taken away, the situation that the performance and the service life of the battery cell are affected due to overheating is avoided, and the safety and stability of the portable energy storage power source are improved.

The utility model relates to the field of optical fiber communication, and disclose a kind of optical fiber communication device of conference communication system, including shell and optical fiber communication body, shell interior is equipped with optical fiber communication body, shell one side dustproof heat dissipation structure, dustproof heat dissipation structure is equipped with liquid cooling structure in shell, shell is away from dustproof heat dissipation structure and is equipped with a set of equidistant distribution's heat dissipation hole two on the other side of the optical fiber communication body, there is dust screen in shell outside one side with heat dissipation hole two and every heat dissipation hole two is fixedly connected, adopt liquid cooling structure and heat dissipation fan collaborative heat dissipation mode, effectively solved the problem of traditional device heat dissipation capacity, in liquid cooling structure, fatty acid coolant phase transition temperature in heat absorption box is low, can rapidly absorb heat gasification when equipment temperature rises, backflow after cooling liquefaction by condenser pipe, form closed cycle continuous heat dissipation, when temperature exceeds preset value, heat dissipation fan starts, and liquid cooling system collaborative work, accelerate heat conduction and discharge.

According to various embodiments, provided is a portable rehabilitation cooling therapy device comprising: a cooling device; and a gripping structure that is connected to the cooling device and includes a battery. The cooling device includes: a housing that includes a plurality of first holes and a plurality of second holes on the respective side surfaces and a plurality of third holes on the upper portion; a multi-layer thermoelectric element disposed inside the housing and capable of cooling one surface to -10°C or below by using power supplied from the battery; a heat sink that is disposed on the upper portion of the multi-layer thermoelectric element and includes a body and a plurality of heat dissipation fins protruding from the body and extending in a direction from the plurality of first holes toward the plurality of second holes; and a heat dissipation fan disposed on the heat sink.

The utility model belongs to the technical field of television hanging rack equipment, and particularly relates to a liquid crystal television hanging rack which comprises a fixed back plate. A heat dissipation assembly is arranged in the middle of the fixed back plate; a plurality of groups of screw holes are formed in the middle of the fixed back plate and are uniformly distributed in four corners of the middle of the fixed back plate; a supporting assembly is arranged on the side wall, close to the fixing ring, of the fixing back plate. The fixing back plate is provided with a fixing assembly through a supporting assembly; the heat dissipation assembly comprises a fixing ring, a heat dissipation fan, a corrugated pipe and an air inlet. According to the step, through the arrangement of the fixed back plate, the supporting assembly and the heat dissipation assembly, the heat dissipation television hanger structure is formed, the function of heat dissipation on the back face of the television is achieved, the problem that the heat dissipation capacity is reduced due to the fact that the television is close to a wall is solved, and the heat dissipation capacity of the television is improved; aging of electronic components in the television caused by accumulation of heat on the back of the television is reduced, and the service life of the television is prolonged.

The utility model relates to an anti-interference all-in-one machine which comprises a machine body, a shielding shell is arranged on the outer surface of the machine body, three shielding cases are installed in the shielding shell, and the three shielding cases cover the outer side of a CPU, the outer side of a hard disk and the outer side of a power source respectively. Three through grooves are formed in the surface of the shielding shell, and the tops of the three shielding covers are arranged in the three through grooves respectively. Heat dissipation holes are formed in one side of the upper surface of the shielding cover, a sleeve is installed on the outer surface of the shielding cover, the end of the sleeve penetrates to the outer side of the shielding shell, and a heat dissipation fan is installed in the sleeve. External electromagnetic radiation is shielded through the shielding shell, and then electromagnetic shielding is performed on the CPU, the hard disk and the power supply through the three shielding covers, so that external electromagnetic radiation entering the shielding shell can be reduced, and interference of electromagnetic radiation generated when the CPU, the hard disk and the power supply operate on other surrounding electronic components can be reduced; therefore, the anti-interference performance of the machine body is improved, and stable operation of the machine body is guaranteed.

The utility model relates to the technical field of power electronics, and discloses a variable-frequency and energy-saving industrial fan speed regulating device which comprises a heat dissipation mechanism, the heat dissipation mechanism comprises a second motor, the output end of the second motor is fixedly connected with a first heat dissipation fan, and the outer portion of the first heat dissipation fan is fixedly connected with heat dissipation fins. A second cooling fan is fixedly connected to the inner sides of the cooling fins, and the cooling fins are fixedly connected to the outer portion of the second cooling fan, namely the side, away from the first cooling fan, of the second cooling fan. According to the utility model, after the motor II is started, the cooling fan I and the cooling fan II are driven to operate, so that the air flow rate around the cooling fins is greatly increased, the heat dissipation is accelerated, the temperature of the speed regulation device is effectively reduced, the stable operation of the speed regulation device is ensured, the normal operation of the speed regulation device is ensured, and the plurality of cooling fans work simultaneously and synergistically, so that the cooling efficiency is greatly improved; the service life of the speed regulating device is prolonged and the equipment maintenance cost is reduced.

The invention relates to an intelligent multi-protection frequency conversion control method and system for a compressor, and the method comprises the steps: receiving a resistance value of an external resistor, setting an under-voltage protection voltage point and an overvoltage protection voltage point of the system according to the resistance value, receiving a resistance value signal of an external speed regulation resistor, and setting the under-voltage protection voltage point and the overvoltage protection voltage point according to the resistance value; the method comprises the following steps: determining a target rotating speed according to a pre-stored resistance-rotating speed mapping relation, further generating a corresponding PWM control signal to drive a compressor, monitoring voltage, current, temperature and motor phase state parameters of a system in real time, triggering a fault signal when any fault of overvoltage, undervoltage, overcurrent, phase loss or over-temperature is identified, and outputting the fault signal. According to the specific fault type identified in the fault diagnosis step, an indicator light is controlled to output a fault code of a corresponding specific flicker sequence, the internal temperature of the frequency converter is monitored, a cooling fan is started when the temperature exceeds a fan starting threshold value, and the cooling fan is closed when the temperature is lower than a fan stopping threshold value.

The utility model belongs to the technical field of electric shears, and discloses a high-heat-dissipation low-weight lithium electric shear which comprises a lithium electric shear body, first heat conducting pieces are fixedly installed on the inner wall of a handheld portion shell of the lithium electric shear body, and the first heat conducting pieces are distributed in an equidistant linear array mode in the length direction of the handheld portion shell. An arc-shaped notch attached to the outer wall of a motor in the lithium battery scissor body is formed in the first heat conduction piece, a mounting hole is formed in the upper end of the handheld part shell, a heat conduction plate is fixedly mounted in the mounting hole, the first heat conduction piece is connected with the heat conduction plate through a heat pipe, and an evaporation section of the heat pipe is connected with the first heat conduction piece. According to the lithium battery scissors, through the synergistic effect of various heat dissipation components such as the first heat conduction piece, the heat pipe, the heat conduction plate, the second heat conduction piece and the heat dissipation fan, heat generated by the motor can be rapidly dissipated to the outside, the temperature of the motor is effectively reduced, the service life of the motor is prolonged, and the stable working performance of the lithium battery scissors is guaranteed.

1. The name of the design product: cooling fan (F1286-F1288). 2. The use of the design product: cooling fan for computer case. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model discloses a high-speed signal acquisition board card, and specifically relates to the technical field of acquisition board cards, the high-speed signal acquisition board card comprises a housing and an acquisition board card body arranged in the housing so as to acquire and upload signals, the middle part of the outer top surface of the housing is fixedly provided with an air outlet pipe, and the middle part of the outer bottom surface of the housing is fixedly provided with an air inlet pipe; and a cooling fan is fixedly mounted in the air outlet pipe. According to the high-speed signal acquisition board card provided by the utility model, during actual work, when a cooling fan operates, flowing air jacks up the sealing plate, so that heat in the shell can be dissipated through a gap between the jacked sealing plate and the air outlet pipe, and when external air enters the shell through the air inlet pipe, the heat in the shell can be dissipated through the gap between the jacked sealing plate and the air outlet pipe. Air enters the shell through the intervals between the moisture absorption cotton blocks which are arranged in a staggered mode, the moisture absorption cotton blocks can absorb moisture in the air, and therefore the moisture in the air can be treated conveniently, and the situation that external moisture enters the shell along with the air, and operation of the collection board card is affected can be avoided.

The invention provides a multi-wire-inlet-hole-site adjustable power system power distribution cabinet, and relates to the technical field of power distribution cabinets. The multi-wire-inlet-hole-site adjustable power system power distribution cabinet comprises a cabinet body, the front wall of the cabinet body is rotatably connected with a cabinet door, and the front wall of the cabinet door is provided with a control panel. According to the invention, through the multi-hole-site design of the interchangeable mounting head, the problem of poor cable adaptability caused by fixation of the wire inlet hole of the traditional power distribution cabinet is solved, a user can flexibly select the first mounting head or the second mounting head according to the cable specification, and the flexibility of hole site adjustment is further expanded in combination with the modular interchangeable design of the mounting plate and the shielding plate; through cooperative control of the main heat dissipation system and the auxiliary heat dissipation structure, the contradiction that dust prevention and heat dissipation are difficult to balance in a single heat dissipation mode is solved, the temperature sensor and the speed-adjustable heat dissipation fan are integrated in the shielding plate, and the ventilation quantity is dynamically adjusted according to the temperature in the cabinet. The interchange design of the mounting plate and the shielding plate provides more configuration choices for optimization of the heat dissipation structure.

The utility model relates to the technical field of integrated circuit testing, and particularly discloses an integrated circuit experiment testing device which comprises a shell. A microcontroller, and a digital oscilloscope, a function generator, a digital logic analyzer, a pattern generator, a virtual digital I / O interface, a front PCB panel and a plurality of test interfaces which are electrically connected with the microcontroller are arranged in the shell; the front end of the shell is provided with a voltage acquisition interface, a current acquisition interface, a display screen and a plurality of voltage output ports which are electrically connected with the front PCB panel, the bottom of the shell is provided with an air inlet, a cooling fan is arranged above the air inlet, and the middle part of the shell is provided with a middle air outlet. According to the utility model, a plurality of instruments and meters are integrated to carry out experimental testing, so that the device is convenient to operate and overhaul, smaller in size and small in occupied space, meets the requirement of carrying out rapid testing in a limited space, and is suitable for design, simulation, manufacturing and testing of integrated circuits and related experimental teaching and scientific research activities.

This invention provides an impeller with openable and closable blades and a cooling fan incorporating the same. The cooling fan includes a fan frame and an impeller. The impeller is rotatably mounted on the fan frame and includes a hub, a plurality of fan blades, and a first magnetic element and a plurality of second magnetic elements that can magnetically attract each other. The hub has an inner peripheral wall and an outer peripheral wall with a plurality of connecting parts. The fan blades have connected rod seats and shafts rotatably connected to the connecting parts. The rod seats have mounting parts. The first magnetic elements are located on the inner peripheral wall, and each of the second magnetic elements is located in its respective mounting part. Each fan blade can be magnetically attracted to the first magnetic element through the second magnetic element across the hub and thus folded together. Each fan blade can also be unfolded by the hub rotating. This achieves a dual effect of being both cool and fun, while ensuring that each fan blade can reliably fold together.

The application relates to a refrigeration assembly and a refrigerator, the refrigeration assembly comprising a refrigeration liner, a low-temperature box, a low-temperature refrigeration system and a refrigeration evaporator, the refrigeration liner is formed with a refrigeration compartment and an air return air duct, the refrigeration liner is sequentially provided with a first air outlet, a second air outlet and an air return port from top to bottom; the low-temperature box is arranged between the second air outlet and the air return port and is accommodated in the refrigeration compartment, the low-temperature box is formed with a low-temperature compartment which is arranged independently of the refrigeration compartment; the low-temperature refrigeration system comprises a semiconductor refrigeration sheet and a radiator, the cold end of the semiconductor refrigeration sheet is in thermal connection with the low-temperature box and is used for providing cold energy to the low-temperature compartment, the radiator is provided with a radiating fan, and the radiating fan can guide the refrigeration air discharged from the second air outlet to blow against the radiator. The semiconductor refrigeration sheet can perform ultra-low-temperature refrigeration on the low-temperature box, so that the working energy consumption can be reduced, and the stability of the temperature in the low-temperature compartment of the low-temperature box is ensured.

This utility model discloses a fully enclosed insulated gas-filled cabinet, including a cabinet body, a gas box installed on the cabinet body, and a three-position isolating circuit breaker installed inside the gas box. The top of the outer side of the gas box is provided with multiple external heat sinks, and a crossflow fan is installed on the top of the gas box. The top of the inside of the gas box is provided with multiple first internal heat sinks, and multiple second internal heat sinks are provided on both sides of the inner wall of the gas box. Cooling fans corresponding to the second internal heat sinks are symmetrically installed at the bottom of the inner wall of the gas box. This utility model improves the passive heat dissipation capacity of the gas box through the arrangement of the second internal heat sinks, first internal heat sinks, and external heat sinks. Furthermore, when encountering high load conditions leading to high temperatures, the cooling fans and crossflow fans are automatically activated by a temperature sensor and controller to actively dissipate heat, thereby improving the heat dissipation capacity of the gas box and preventing excessively high temperatures.

This invention discloses an intelligent urban lighting device, including a support base, a display, a lighting main body, a photovoltaic module, and a monitoring probe. The support base supports the entire lighting device and also controls it. The support base internally connects to a control module, a wireless communication module, an energy storage and power supply module, an operation and maintenance management module, and a multi-system linkage module. The display is mounted on the back of the support base and is adjustable vertically relative to it; the display is electrically connected to the support base. A multi-source sensing module is located on the top of the display. The lighting main body is mounted on the top of the support base and is electrically connected to it. A heat dissipation channel is located inside the lighting main body, and a cooling fan is located along the bottom of the channel. The photovoltaic module is mounted on the upper surface of the lighting main body and is electrically connected to it. The monitoring probe is mounted on the top of the support base.

This utility model relates to the field of coolant filtration and discloses a concentrated coolant-composite filtration device with a quickly replaceable filter screen. The device includes a filter, a cooling water pipe fixedly connected to the top left side of the filter, a cooling plate installed outside the cooling water pipe, a cooling fan fixedly installed at the front end of the cooling plate, a filter screen cylinder placed inside the filter, a threaded sleeve fixedly connected to the center of the bottom of the filter screen cylinder, and a threaded opening at the top of the filter. This concentrated coolant-composite filtration device with a quickly replaceable filter screen filters particulate impurities contained in the coolant through the filter screen cylinder. Simultaneously, a magnetic rod inside the filter screen cylinder can adsorb metallic impurities mixed in the coolant, enhancing the filtration effect as the coolant passes through the filter screen cylinder. Cleaning is simple; just pull the ring to remove the magnetic rod from the limiting bracket for cleaning, thus solving the problem of poor filtration effect.

The utility model discloses a kind of load phase advancer heat dissipation flow guide structure, it is related to the field of electrical equipment heat dissipation, including connecting frame, the right side surface of connecting frame is fixedly connected with shell body, the outer surface of shell body is fixedly installed with heat dissipation piece, the outer surface of connecting frame is fixedly connected with two connecting assemblies, each connecting assembly includes the fixed connection of installation cylinder with connecting frame, the inner wall of each installation cylinder is fixedly connected with fixed plate, the outer surface of each fixed plate is fixedly connected with two slide columns. The sliding connection cylinder of connecting assembly can slide on slide column, the position of band mouth plate is adjusted by moving screw rod and fastening nut, and then the position of band mouth plate is conveniently adjusted, to adapt to the installation of different hole positions, conveniently connected with different equipment, adapt to a variety of installation environments, heat is quickly discharged by the heat dissipation fan of heat dissipation piece cooperation ventilating tube, cooperate with flow guide cover and flow guide vane to guide hot air flow, make it orderly discharge, improve heat dissipation efficiency.