201results about How to "Avoid affecting the cooling effect" patented technology

The invention relates to a chip package structure easy to cool and a package method of the chip package structure. The chip package structure comprises a substrate, wherein a package table is fixedlyconnected with a center of the substrate, slots are formed in two sides of the substrate, pins are inserted into the slots, movable blocks are movably connected with two sides of one end of each pin,a spring is fixedly connected with one end of each movable block, a chip body is inserted into a groove in the top of the package table, a package rack is arranged on the chip body, clamping grooves are formed in the bottoms of two sides of the package rack, clamping blocks are fixedly connected with the tops of two sides of the substrate, a heat conduction plate is fixedly connected with the bottom of the package rack, a heat absorption plate is fixedly connected with the bottom of the heat conduction plate, a heat conduction block is fixedly connected with the heat absorption plate, heat conduction rods are fixedly connected with two sides of the heat conduction block, a plurality of cooling fins are fixedly connected to a side wall of the heat conduction plate, dustproof nets are arranged at two sides of the top of the package rack, a plurality of cooling rods are fixedly connected to the top of the heat conduction block, a cooling plate is fixedly connected to a top end of each cooling rod, a plurality of cooling holes are formed in side walls of two sides of the package rack, and wires are electrically connected with two sides of the chip body.

The invention relates to a single longitudinal mode distributed feedback optical fibre laser with tunable wavelength. Ultraviolet silica gel for phase shift optical fibre grating is fixed at the bottom of a V-shaped aluminum groove which is affixed on a heat sink plate by using heat conducting silica gel; the heat sink plate is tightly arranged on a semiconductor refrigerating plate through heat conducting materials; the lower surface of the semiconductor refrigerating plate is in close contact with the radiating plate through a layer of heat conducting materials; the positive and negative ends of the semiconductor refrigerating plate are connected to a linear power supply through a lead; one end of the phase shift optical fibre grating is connected with a combiner port of a 980 / 1030 wavelength division multiplexer; a port 980 of the wavelength division multiplexer is connected with a tail fibre of the semiconductor laser; a port 1030 of the wavelength division multiplexer is connected with an optical fibre jumper head of a slope; the other end of the phase shift optical fibre grating is connected with an optical fibre isolator; and the contact surfaceof the heat sink plate and air and the contact surface of the V-shaped aluminum groove and air are all covered by heat insulation cotton. The laser has the characteristics of tunable wavelength, stable output of single longitudinal mode and miniaturization.

The invention discloses a water cooling heat dissipation module. The water cooling heat dissipation module comprises heat suction blocks, a liquid storage block, semiconductor refrigeration chips and a heat sink, wherein a liquid storage groove is formed in the liquid storage block and is used for storing a liquid, liquid flowing channels are arranged in the heat suction blocks, the liquid storage block communicates with the heat suction blocks, the interiors of the liquid storage block and the heat suction blocks are in vacuum environments to form a circulation loop, the heat sink is arranged on a side surface, far away from the heat suction blocks, of the liquid storage block, and at least one semiconductor refrigeration chip is pasted between the liquid storage block and the heat suction blocks. The invention also discloses a charging pile module applying the above water cooling heat dissipation module. The water cooling heat dissipation module is arranged in the shell, the heat suction blocks are in close contact or are near to at least one component, and isolation strips are formed between the liquid storage block and the heat sink, and between the liquid storage block and the components. By the water cooling heat dissipation module, the purposes of heat dissipation and dust pollution prevention are simultaneously achieved, and thus, the defect of the prior art is overcome.

The invention is used in a thermal source and comprises a fan and a dust separating device. The fan is used to generate an air flow from outside; the air flow is blown into the dust separating device to separate the dust from the air flow; after dust separation, the air flow takes the heat from thermal source.

The invention discloses a new energy automobile battery damping device, and the damping device comprises a shell, a fixed plate is fixedly connected to the inner wall of the shell, a battery box is fixedly connected to the upper end of the fixed plate, a clamping mechanism for clamping the battery box is arranged on the fixed plate, and the clamping mechanism comprises two sliding grooves formed in the side walls of the fixed plate. The inner wall of each sliding groove is rotationally connected with a lead screw, and the side wall of the lead screw is in threaded connection with a sliding block. By arranging the transmission mechanism and the clamping mechanism, the battery box can be protected at the first time when the shell vibrates, vibration on the shell is effectively utilized, the situation that the service life of a battery is affected due to continuous vibration of the battery in the battery box is avoided, and by arranging a damping mechanism, when the battery box is subjected to large vibration, under the action of the non-Newtonian liquid, the clamping plates can be inhibited from sliding, so that the clamping plates can quickly and stably clamp the battery box, and the stability of the battery box is accelerated.

The invention provides a cooling system for a shaft system of a wind driven generator and a wind generating set. The cooling system comprises a cold air supply unit, an air feeding tank coaxially fixed onto a fixed shaft, an air return tank coaxially fixed onto the fixed shaft, and an annular heat-radiating assembly fixedly arranged on an inner surface of a rotary shaft, wherein cold air from thecold air supply unit is supplied to the annular heat-radiating assembly through the air feeding tank, and air subjected to heat exchange with the annular heat-radiating assembly is returned into the cold air supply unit through the air return tank. Through arranging the cooling system provided by the invention, the temperature of the shaft system of the wind generating set can be reduced to a reasonable running range, so that the service life of the shaft system is ensured, and the reliability in running the wind generating set is ensured.

The invention discloses a refrigerator. The refrigerator comprises a refrigerator body, an evaporator and a draught fan, wherein the refrigerator body defines at least one refrigeration compartment, and one side of the at least one refrigeration compartment is provided with an evaporator cavity communicating with air inlet and outlet fluid of the refrigeration compartment; the evaporator is arranged in the evaporator cavity; and the draught fan is arranged above the evaporator. An air outlet and an air inlet are formed between the evaporator cavity and the at least one refrigeration compartment. The draught fan is used for guiding cold air from the evaporator into the at least one refrigeration compartment through the air outlet, and after circulating in the at least one refrigeration compartment, the cold air returns to the evaporator through the air inlet. The refrigerator further comprises a moisture absorption defrosting module arranged at the bottom of the evaporator, and a driving module. The driving module is used for driving the moisture absorption defrosting module to be converted between the two states. In the first state, the moisture absorption defrosting module covers the air inlet and conducts moisture absorption; and in the second state, the moisture absorption defrosting module keeps away from the air inlet and conducts defrosting and drying through heating.

The invention discloses an intelligent home control system based on 5G Internet of Things, and belongs to the field of smart home control. The intelligent home control system comprises a shell, wherein a display screen arranged at the rear end of the shell, a microphone is arranged at the rear end of the shell and located at the upper right corner of the rear end of the shell, a temperature sensorinstalled at the left portion of the upper end of the shell, a humidity sensor is installed on the right portion of the upper end of the shell, filter screens are symmetrically arranged at left end and right end of the shell, cooling fans are symmetrically arranged in the shell left and right, a circuit board is arranged in the shell, a power supply is arranged at the bottom in the shell, fixingcovers are symmetrically arranged at the left end and the right end of the shell, heat dissipation holes are formed in the middles of the fixing covers, threaded rods are vertically arranged in the fixing covers, and a motor is mounted at the upper end of the threaded rod. According to the invention, dust is prevented from entering the shell through the filter screens so as to prolong the servicelife of the circuit board, and the motor drives the brush to brush the dust on the surface of the filter screen into the collection frame, so that the filter screen is prevented from being blocked bythe dust to influence the heat dissipation effect.

The invention discloses a semi-automatic descaling kettle. A kettle serving as a main body of the semi-automatic descaling kettle comprises a kettle body and a kettle cover. The kettle body is in matched connection with the kettle cover. The kettle body structurally comprises a metal kettle body and a plurality of condensation pipelines. The condensation pipelines cling to the outer portion of the kettle body. The kettle cover structurally comprises a metal cover, a refrigerant circulation device and a refrigerant storage chamber. The metal cover is in matched connection with the kettle body. The refrigerant circulation device is detachably arranged on the upper side of the metal cover. The refrigerant storage chamber is arranged at the top of the refrigerant circulation device and is communicated with the refrigerant circulation device. The thermal expansion principle is utilized through manual selection, and the kettle is cooled physically through manual selection after water boiling to remove incrustation; a plurality of refrigerant outlets and circulation inlets and the corresponding condensation pipelines are provided, so that the problem that cooling effect is influenced by overlarge partial temperature difference of the kettle due to overlong cooling pipelines is avoided.

The invention discloses a fresh air machine and air conditioner linkage system, a method and a device for controlling the fresh air machine and air conditioner linkage system and a storage medium. Thefresh air machine and air conditioner linkage system comprises a fresh air machine, an air conditioner, a drying device, a detection device, a first temperature sensor, a second temperature sensor and a control device. High-humidity fresh air can be dried by the drying device, the outdoor humidity can be detected by the detection device, the indoor temperatures can be detected by the first temperature sensor, the outdoor temperatures can be detected by the second temperature sensor, and the detection device, the first temperature sensor and the second temperature sensor are electrically connected with the control device; the fresh air machine comprises an air outlet, an air inlet and an air channel, the air outlet is formed in an indoor environment, and the air inlet is formed in an outdoor environment and is communicated with the air outlet via the air channel. The fresh air machine and air conditioner linkage system, the method, the device and the storage medium have the advantagesthat the fresh air machine and the air conditioner can run under the control of the control device according to detection data of the detection device, the first temperature sensor and the second temperature sensor, so that outdoor fresh air can be led into the indoor environment by the fresh air machine after being dried and heated under the condition of refrigeration modes of the air conditioner, air exchange can be carried out between the outdoor fresh air and indoor air, the freshness of the indoor air can be improved, and the comfort can be enhanced for human bodies.

The invention discloses an elevator monitoring real-time alarm device which comprises an elevator body, a motor and a monitoring probe, the motor is fixedly installed in the upper end of the elevatorbody, and the surface of the extending end of a driving shaft in the motor is sleeved with a first ratchet mechanism and a second ratchet mechanism from bottom to top. A transmission belt is installedon the surface of the second ratchet mechanism, a baffle is fixedly installed on the top face of the elevator body, one end of the first ratchet mechanism is connected with a second cylindrical gear,the bottom face of the second cylindrical gear is in key connection with a connecting shaft, and the bottom end of the connecting shaft is in key connection with a first bevel gear. According to theelevator monitoring real-time alarm device, when the motor rotates forwards, fan blades are driven to rotate, the fan blades drive hot air to circulate, the hot air is exhausted through the mesh-shaped baffle, and therefore the overall internal temperature can be reduced, the situation that modules are damaged due to the too high internal temperature is avoided, and the overall service life is prolonged.

The invention discloses a rapid cooling method based on an outdoor transformer. One end of a connecting pipe is fixedly connected with an oil pump; spoilers are fixedly mounted in the connecting pipeand a cooling oil pipe; one end of an oil pump is connected with the cooling oil pipe; cooling fans are symmetrically and fixedly installed at the end, away from an oil tank, of the middle of a transformer box body; a dust filtering plate is fixedly mounted on the surface of each cooling fan; and air holes are symmetrically formed in two side walls of the transformer box body. By using the spoilers, cooling oil spirally flows in the cooling oil pipe, the flowing path of the cooling oil is prolonged, and thus the cooling oil is cooled more thoroughly; through cooperative use of the cooling fansand the air holes, heat in the transformer is discharged outwards; the interior of the transformer is cooled from different angles through cooperation of the cooling fans and the cooling oil, therebyguaranteeing that the temperature in the transformer is not too high; and the cooling fans play a role in cooling the cooling oil pipe, and the cooling rate of the cooling oil is increased.

The invention provides a heat accumulation component and an air conditioner. The heat accumulation component comprises a heat accumulator and at least one electric heating element, wherein the heat accumulator is provided with at least one fin and a cavity; the cavity is used for accommodating a heat accumulation material; the at least one electric heating element is arranged on the heat accumulator; the at least one fin is positioned at the periphery of the at least one electric heating element and is perpendicular to a cross section of the at least one electric heating element. According to the heat accumulation component provided by the invention, the condition that the heat accumulation material flows to be dispersed and further is liable to ice due to the parallelism of the fins and the cross sections of the electric heating elements is avoided; meanwhile, the phenomenon that a heat radiating effect is affected by fin deformation due to the fact that the heat accumulation material is iced and then expands is avoided, a refrigerant is effectively enabled to be uniform in heating and is subjected to sufficient heat exchange, further a good and stable defrosting effect and a heating effect are guaranteed, and the use experience of a user is improved; meanwhile, the service life of the fins is prolonged, the integral quality of the heat accumulation component is improved, and the use satisfaction degree of the user is improved.

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

The computer cooling fan capable of automatically removing dust comprises a box body, a cooling cavity is formed in the box body, a fan shaft is rotatably arranged on the rear end wall of the coolingcavity, a fan connecting block is fixedly arranged on the fan shaft, and fan blades distributed in an annular array mode are fixedly arranged on the outer circle face of the fan connecting block; theleft side of the lower end wall of the cooling cavity is fixedly provided with a dust storage box, the dust storage box is provided with an open dust storage cavity, the left side of the cooling cavity is provided with a computer fixedly connected with the box body. According to the invention, dust on cooling fan blades in the computer case can be removed in time, the situation that the heat dissipation effect is affected by too much dust is avoided, and the computer performance cannot be affected by the overheat. The fan blades can be automatically shifted to rotate during dust removal, so that each fan blade can be cleaned, the cleaned dust can be collected, the case does not need to be disassembled every time for dust removal, and a large amount of time and energy are saved.

The invention discloses a multi-factor environmental simulation test box. The multi-factor environmental simulation test box comprises a work chamber, a tapered hopper, and an air pre-conditioning chamber, the generation of high temperature, low temperature, and wet and hot environment is integrated to a system arranged in the air pre-conditioning chamber, the air pre-conditioning chamber is connected with the work chamber via conveying circulation channels, the conveying circulation channels are both provided with valves, and a movable separating plate is arranged between the work chamber and the tapered hopper. During a dust test, the separating plate is moved away, and the work room is communicated with the tapered hopper; during other tests, the separating plate is inserted, sealed insulation of the work chamber is realized, the work chamber is completely separated from the tapered hopper, salt fog and dust are prevented from entering the air conditioning chamber, the corrosion of devices in the air conditioning chamber is prevented, the dust is prevented from entering an evaporator and adhering to an aluminum plate exchange membrane of the evaporator, and the influence on the refrigeration effect is avoided; rainwater is prevented from entering the inner side of the air conditioning chamber, and the influence on the refrigeration effect is prevented; and the space for illumination tests and system tests is increased.

The invention discloses a method for testing the function reliability of charging equipment, and belongs to the technical field of charging testing of charging piles. During operation of the scheme, a graphic processing module emits heat, and the heat enables an expansion airbag to expand; the buoyancy applied to a foaming plate by the expansion airbag matched with cooling liquid is larger than the pressure applied to the foaming plate by a protection plate matched with a connecting rod and a connecting frame, so that the expansion of the expansion airbag firstly drives the foaming plate to extrude the expansion airbag, and while expansion, cooling liquid in the expansion airbag enters a cooling copper plate through an elastic sealing strip to directly conduct heat and cool the graphic processing module, at the moment, the internal environment of a protection shell is still in a temperature rising state due to non-circulation of heat, and an expansion airbag drives the protection plate to rise in the next-stage expansion process; and after the protection plate is separated from the protection shell, an infrared sensor is matched with a control processor to start a fan, heat circulation in the protection shell is accelerated, and cooling is conducted.

The invention relates to an electrical control module heat dissipation device comprising an electrical control box, an electrical control module, a fan and a radiator arranged in an outdoor unit body. The electrical control module is arranged on the outer wall of the electrical control box, the fan is arranged over the electrical control module and the radiator, and the radiator is arranged at one end, away from the electrical control box, of the electrical control module. An air inlet and an air outlet are arranged on the radiator, and the air inlet and the air outlet of the radiator are respectively located at two opposite ends of the electrical control module. Air can be led into a power module in the electrical control box in the outdoor unit body through the radiator arranged on the power module in the electrical control box, the heat dissipation process of the radiator on the power module is accelerated, and accordingly the electrical control module most serious in heat emission is cooled independently and efficiently so as to guarantee that the electrical control module can work at the most appropriate temperature.

The invention discloses a busway shell comprising two upper plates, two lower plates and two side plates, wherein the two side plates are located between the upper plates and the lower plates; a bus laying position is formed between the two side plates; a region formed between each upper plate and each lower plate is a heat radiating region; the two upper plates are provided with upper convection holes; the lower plates are provided with lower convection holes; the upper convection holes are located above the heat radiating regions; and the lower convection holes are located below the heat radiating regions. By using the busway shell, the heat radiating effect of the busway shell can be improved, the reliability of the busway shell can be improved, and the service life of the busway shell can be prolonged.

The invention discloses a novel radiator structure which comprises a heat conduction plate, an S-shaped cavity is formed in the heat conduction plate, six rotating shafts are arranged in the S-shaped cavity, every two of the six rotating shafts are symmetrically arranged, first arc-shaped blades are fixedly installed on the six rotating shafts, and a plurality of first radiating fins are fixedly installed at the top of the heat conduction plate at equal intervals. Two stand columns are fixedly installed at the top of the heat conduction plate, the same transverse plate is fixedly installed at the top ends of the two stand columns, and a liquid storage tank and a motor are fixedly installed at the top of the transverse plate. The novel radiator structure is reasonable in design and good in practicability, heat generated by a CPU is absorbed through the heat conduction plate and the multiple first heat dissipation fins, efficient heat dissipation can be achieved through air cooling heat dissipation and water cooling heat dissipation, the heat dissipation effect and heat dissipation efficiency are improved, the heat dissipation performance is enhanced, the surfaces of the multiple first heat dissipation fins can be effectively cleaned, and the dust is prevented from being gathered on the plurality of first heat dissipation fins to influence the heat dissipation effect.

The invention discloses a rainproof electrical installation cabinet, which comprises a bottom plate, wherein a cabinet body is welded to the top outer wall of the bottom plate, a partition plate is welded to the inner wall of the cabinet body, a storage cavity is formed below the partition plate, semiconductor refrigeration chips distributed at equal intervals are welded to the inner wall of the bottom of the cabinet body, a refrigerant is contained in the storage cavity, an air inlet groove penetrating through the bottom plate is formed in the middle of the partition plate, an air inlet fan is welded to the inner wall of the air inlet groove, a water suction box welded into the air inlet groove is arranged below the air inlet fan, damping springs and damping sponges are distributed on theouter wall of the top of the partition plate at equal intervals, and a mounting plate slidably connected with the inner wall of the cabinet body is welded to the tops of the damping springs and damping sponges. According to the invention, an air inlet fan sucks in external air, a dustproof net and a water suction box filter and adsorb dust impurities and moisture, a refrigerant cools the air, anair outlet fan discharges heat, the heat dissipation and cooling efficiency is improved, the fan increases air flow, a humidity sensor prevents rainwater from entering the cabinet body, and a drying net box absorbs the moisture in the air.

The invention discloses a pearlife filling system and a filling method thereof. The pearlife filling system comprises a vacuuming device, a dehydration tank, a heater, a dehydrator and an air supply device, wherein the air outlet of the air supply device is connected with the air inlet of the dehydrator through a pipeline; the air outlet of the dehydrator is connected with the air inlet of the heater through a pipeline; the air outlet of the heater is connected with the air inlet in the lower part of the dehydration tank through a pipeline; a sand outlet in the bottom of the dehydration tank is connected with the sand inlet of a low-temperature container to be filled through a pipeline; the vacuuming hole of the low-temperature container to be filled is connected with the vacuuming devicethrough a pipeline; a depressurizing valve is arranged on the pipeline between the dehydrator and the heater; a first valve and a second valve are respectively arranged at both ends of the depressurizing valve; an air outlet is formed in the upper part of the dehydration tank. The pearlife filling system is capable of solving the problem that pearlife is liable to be affected with damp when beingput into a conventional low-pressure container, is high in filling efficiency, good in filling effect, not easy to be affected with damp, simple in structure, convenient to operate and low in manufacturing and use cost.

The invention provides a control system for an air conditioner of a military vehicle. The control comprises at least two direct current fans and an electromagnetic clutch, as well as a time delay control circuit which is used for controlling the opening and closing of at least two direct current fans by different time delays, wherein at least two direct current fans comprise a first direct current fan positioned on the evaporation side and a second direct current fan positioned on the condensation side, and the time delay control circuit is used for firstly opening the first direct current fan instant of opening the air conditioner and further opening the second direct current fan and the electromagnetic clutch after first time delay. In addition, the invention further provides the time delay control circuit for the air conditioner.

The invention provides a cooling paster comprising a sheet like hydrogel main body. The hydrogel main body has an upper surface and a lower surface, wherein the lower surface is provided with at least one absorbing part; the absorbing part recesses from the lower surface of the hydrogel main body to the upper surface of the hydrogel main body; the hydrogel main body can be directly compressed and formed, and backlining material can be unnecessary; heat radiation effect of the cooling paster can be enhanced, and the cooling paster can be effectively fixed on human body skin and prevented from falling off.

The invention provides an intelligent early warning and monitoring device for outdoor weather of facility agriculture. The intelligent early warning and monitoring device for outdoor weather of facility agriculture comprises a fixed plate; and supporting legs, the tops of the three supporting legs being all fixed to the bottom of the fixing plate. According to the intelligent early warning and monitoring device for outdoor weather of facility agriculture, dust of the monitor can be cleaned, problems that excessive dust accumulated on the heat dissipation holes is excessive, the heat dissipation effect is influenced, and the accuracy of farmland meteorological data collection is reduced are prevented. Meanwhile, the monitor can be conveniently disassembled, maintenance is convenient, and the rate of detachment is improved. The temperature sensor, the atmospheric humidity sensor and the like are arranged on the monitor, intelligent data collection of farmland weather can be achieved, thesound box is arranged on the monitor, when birds and small animals get close, a very good early warning effect is achieved by making sharp sounds, and then the practicability of the device is improved.

The invention relates to an engine cooling system, a box used for the engine cooling system and an operation machine. The box includes a housing and a partition, and the partition separates the housing into an exhaust box and an expansion tank which are sealed relative to each other. The exhaust box includes a first connecting pipe and a second connecting pipe, the first connecting pipe is suitable for being in fluid connection to an engine cylinder sleeve of the engine cooling system to introduce cooling liquid into the exhaust box, and the second connecting pipe is suitable for being in fluid connection with a heat exchanger of the engine cooling system to discharge the cooling liquid into the heat exchanger. The expansion tank includes a third connecting tube suitable for being in fluidconnection into the engine cooling system. The box further includes an air guiding tube, the first end of the air guiding tube is in communication with the exhaust box, and the second end of the airguiding tube is arranged in the expansion box, so that gas contained in the cooling liquid flowing through the exhaust box is exported into the expansion tank through the air guiding tube. The exhaustbox enables the gas in the cooling liquid to be pre-separated before entering the heat exchanger, and the thermal stress shock to the heat exchanger is reduced.

The invention provides an air-cooled refrigerator. The air-cooled refrigerator comprises a cold storage chamber, a freezing chamber, a temperature changing chamber and a cold storage chamber door foropening and closing the cold storage chamber. An ice-making chamber is arranged on the cold storage chamber door, the air-cooled refrigerator also comprises an ice-making air return duct, which comprises: an air inlet, which is communicated with the ice-making chamber; a first air outlet, which is communicated with the temperature changing chamber; a second air outlet, which is communicated with the freezing chamber; and a double-opening air door that is arranged in the ice-making air return duct and used for selectively closing the first air outlet or the second air outlet; wherein the double-opening air door is configured to open the first air outlet and close the second air outlet in a controlled mode when the temperature changing chamber sends out a refrigeration request, and open thesecond air outlet and close the first air outlet in a controlled mode when the temperature changing chamber does not send out a refrigeration request. The ice-making air return duct is provided with the first air outlet and the second air outlet, the return air of the ice-making chamber is utilized to provide cooling capacity for the temperature changing chamber, thus avoiding affecting the refrigeration effect of the refrigeration chamber.

The invention discloses a cabinet for a large machine room. A cabinet body is provided with an air inlet window and air outlet windows, the air inlet window is internally provided with a filtering member, the side, close to the cabinet body, of the air inlet window is provided with an exhausting fan, each air outlet window is internally provided with a dustproof member, one side of each air outletwindow is provided with an exhaust fan, and in a deduster, a rotating shaft is rotationally installed on the cabinet body, an output shaft of a motor is connected with the rotating shaft, a brush plate is fixedly connected with the rotating shaft, brushing hair on the brush plate abuts against the side close to the external of the cabinet body of the filtering member, and a damping device is mounted in the bottom of the cabinet body and used to reduce vertical vibration of the cabinet body. According to the cabinet, the deduster is used to remove dust accumulated on the filtering member, thefiltering member is prevented from obstruction and further unsmooth air circulation and influence on the heat radiation effect due to accumulation of dust, the damping device can reduce the vibrationamplitude of the cabinet body, and a computer in the cabinet body is avoided from damage caused by too high vibration amplitude.

The invention relates to the technical field of network communication accessories, and discloses a network compensation controller heat dissipation device. The device comprises a box body, wherein thebottom of the box body is provided with an air inlet; a baffle is rotationally connected to the right side of the top end of the box body; an air hole is formed in the middle of the baffle; a handleis arranged at the end part of the baffle; a driving motor is arranged at the upper part of the right side wall of the box body; an output shaft of the driving motor is fixedly connected with the upper end of a rotating shaft; a cam is arranged on the upper part of the rotating shaft; the lower part of the rotating shaft is provided with a first bevel gear; the first bevel gear is arranged on andmeshed with a second bevel gear; the second bevel gear is fixedly connected with the right side of a second lead screw; the middle of the second lead screw is in threaded connection with the middle ofa scraper; and a first belt wheel is arranged at the lower end of the rotating shaft. According to the network compensation controller heat dissipation device, a flow guide plate can uninterruptedlyswing left and right by arranging the cam and a push plate, so that air flow in the box body can swing left and right, effective heat dissipation is conducted on the exterior of the controller, and the heat dissipation effect is improved.

The invention discloses an automobile engine heat energy exchanger. The automobile engine heat energy exchanger comprises a heat energy exchanger body, a motor fan, an engine, a liquid storage pot, athermostat, a water pump and a cleaning agent storage tank; a radiator core is arranged on the right side of the heat energy exchanger body; a base is arranged on the bottom side; fixing frames are symmetrically arranged at the two ends of the upper side; a water filling chamber is formed in the upper end of the left side of the heat energy exchanger body; a water box cover is arranged on the upper side of the water filling chamber; the motor fan is arranged at the middle part of the back of the heat energy exchanger body; a water inlet is formed in the part above the left side of the back ofthe heat energy exchanger body; a water outlet is formed in the part below the right side; an engine water inflow pipe, an engine water outflow pipe and a water circulation pipe are arranged on the engine; the engine water inflow pipe is connected with the water outlet in the heat energy exchanger body; and the engine water outflow pipe is connected with the water inlet in the heat energy exchanger body. With the adoption of a water-cooling and air-cooling double-layer radiating mode, the radiating property of the heat energy exchanger is good; and with the adoption of the cleaning agent storage tank, cleaning is facilitated further, and the service life of the heat energy exchanger is prolonged.