512results about How to "Reduce heat dissipation" patented technology

The invention discloses a cooling system and a server cabinet, and relates to the technical field of server cabinets, and the cooling system comprises a cooling module and at least two cooling branches. The cooling branch is provided with a control valve, a detection assembly and a cold plate module used for cooling working devices in the server. The cooling module is connected with each cooling branch, the cooling module is used for providing a cooling medium for each cooling branch, the cooling module comprises a control module, and the control module is used for being in communication connection with a server, a control valve and a detection assembly in each cooling branch; the control module is further used for receiving the working performance parameters of the working devices in the servers in the cooling branches and the cooling medium performance parameters detected by the detection assembly so as to control the opening degree of the control valves in the corresponding cooling branches. The cooling system solves the problem that the server node flow in the server cabinet cannot be adjusted in real time.

The utility model discloses a photovoltaic bypass module and a photovoltaic junction box. The photovoltaic bypass module includes an intermediate conductive terminal, a first conductive terminal, a second conductive terminal, a first bypass module diode, and a second bypass module diode, where a first gap formed between the first conductive terminal and the intermediate conductive terminal is utilized. The first conductive terminal and the middle conductive terminal form a first gap, and the second gap formed between the second conductive terminal and the middle conductive terminal form a second gap for the bus bar to pass through respectively, so that the positions of threading holes for the bus bar to pass through are relatively concentrated. The bus bar can directly penetrate into the box to reach the first bonding pad or the middle bonding pad or the second bonding pad, and other operations such as bending are not required to be performed on the bus bar, so that the junction box is more convenient to install, and the working efficiency is improved.

The invention relates to the technical field of protection devices, and discloses a protection device of a solid-state motor starter, which comprises a protection cabinet, a starter body fixedly mounted in the protection cabinet, a heat dissipation and dust removal assembly fixedly mounted at the bottom of the inner side of the protection cabinet, and a moisture removal assembly movably connected to the top of the heat dissipation and dust removal assembly, a splayed spoiler is fixedly arranged in an air channel groove, air conveyed by cooling fans in the air channel is guided, cold air conveyed by the cooling fans is effectively guided into the protection cabinet, and meanwhile the situation that convection is formed by the air conveyed by the cooling fans on the two sides is avoided; when the cooling fan works, air flowing at a high speed at the air duct enables the dust removal hole to form a negative pressure state, the dust stirring plate on the dust removal ring is beneficially subjected to wind resistance generated by air inflow, the generated resistance forces the dust removal ring to rotate in the sliding groove in the dust removal hole, dust removal is carried out on the air duct, dust is prevented from being accumulated at the air inlet, and the cooling effect is prevented from being reduced.

The embodiment of the invention provides a preparation method of a semiconductor structure and the semiconductor structure, and the preparation method comprises the steps: providing a substrate, and sequentially forming a buried power rail and a device structure on a first surface of the substrate. A first dielectric layer is formed on the second surface of the substrate, an etching process is at least executed on the first dielectric layer to form a through hole structure and an opening structure, the opening structure is located around the through hole structure, the buried power supply rail is exposed out of the through hole structure, and the first surface and the second surface are two opposite surfaces of the substrate. And executing a filling process to form a stress absorption structure in the opening structure and form a conductive structure in the through hole structure.

The invention discloses rock core drilling sampling equipment for geological disaster investigation, and relates to the technical field of sampling, and the rock core drilling sampling equipment comprises a composite mechanism. According to the rock core drilling and sampling equipment for geological disaster investigation, through the design of a composite mechanism, the motor is connected with the butt joint block, and the drill rod is inserted into the inner side of the butt joint block, so that drilling and sampling are conducted on rocks, in the drilling process, the movable frame slides on the outer side of the sliding column so as to ascend and descend, and therefore the work requirement is met; a drill bit mechanism is arranged on the outer side of the drill rod, large rocks are crushed through the drill bit mechanism in the drilling process, meanwhile, rock blocks are guided to enter the inner side of the drill rod, so that a sample is taken out when the movable frame body is lifted subsequently, subsequent treatment is facilitated, and after sampling is finished, the drill bit mechanism is used for crushing the large rocks and guiding the rock blocks to enter the drill rod. When the sample is taken out from the inner side of the drill rod, the sample is taken out more cumbersomely and difficultly, the pushing and pressing mechanism is pressed by the electric push rod, so that the effect of discharging the sample is achieved, and normal operation of equipment is kept.

According to the reinforced heat dissipation structure of the epoxy pouring dry-type transformer and the manufacturing process of the reinforced heat dissipation structure, the reinforced heat dissipation structure of the epoxy pouring dry-type transformer comprises an iron core, a winding, a base and a heat dissipation device; the winding comprises a low-voltage winding and a high-voltage winding, the low-voltage winding sleeves the outer side of a core column of the iron core, the high-voltage winding sleeves the outer side of the low-voltage winding, and a main channel is reserved between the high-voltage winding and the low-voltage winding; and the heat dissipation element is arranged in a main channel formed by the high-voltage winding and the low-voltage winding. The high-voltage side heat conduction layer is connected with the inner wall of the high-voltage winding, the low-voltage side heat conduction layer is connected with the outer wall of the low-voltage winding, the heat conduction efficiency is improved, meanwhile, the heat dissipation element is installed in the main channel, and the heat dissipation capacity of the main channel is enhanced. In addition, the heat dissipation device and the winding are integrally formed in a casting mode, the heat dissipation capacity of the main channel is enhanced, heat resistance among all components is effectively reduced, and therefore the overall heat conduction efficiency is improved.

The utility model discloses a switch protection device which comprises a lower protection shell, an upper protection shell, an adjusting assembly and a buffer assembly, the lower protection shell and the upper protection shell are arranged up and down, a switch is arranged between the lower protection shell and the upper protection shell, the lower protection shell and the upper protection shell are both provided with placing grooves, and the adjusting assembly is arranged in the placing grooves. The lower protective shell is provided with a placement groove, the switch is arranged corresponding to the placement groove, the buffer assembly is arranged in the placement groove and buffers the switch, and the adjusting assemblies are arranged on the two sides between the lower protective shell and the upper protective shell and used for adjusting the distance between the lower protective shell and the switch and the distance between the upper protective shell and the switch. According to the utility model, the upper and lower surfaces of the switch can be subjected to impact resistance and buffering, and the impact force borne by the switch during falling is reduced.

The invention discloses a preparation method of a gallium nitride-based resonant cavity light-emitting diode and a product of the gallium nitride-based resonant cavity light-emitting diode. The method sequentially comprises the following steps: epitaxially growing a gallium nitride-based epitaxial layer on an original substrate, and preparing a plurality of curved surface structures on one surface of the gallium nitride-based epitaxial layer; sequentially depositing a current expansion layer, a curved surface reflector and a transition layer on the curved surface structure along a first direction, and preparing a regional metal substrate corresponding to the size of the transition layer on the surface of the transition layer of each curved surface structure; placing one side of the regional metal substrate on a temporary substrate, removing the original substrate, and polishing, thinning and planarizing the other surface of the gallium nitride-based epitaxial layer; depositing a plane mirror on the other surface of the gallium nitride-based epitaxial layer, and preparing an electrode; and removing the temporary substrate to obtain the single independent gallium nitride-based resonant cavity light-emitting diode. According to the invention, metal curled edges and side wall damages during obtaining of an independent device can be improved, an experimental process is optimized, and performances of light output power and the like of the device are improved.

The invention discloses a reconfigurable metasurface reflective array based on MOS switch chip regulation and control and an implementation method of the reconfigurable metasurface reflective array. The metasurface reflective array comprises a feed source horn and a reconfigurable metasurface reflective array, the reconfigurable metasurface reflective array comprises a plurality of metasurface reflective array units which are periodically arranged; the metasurface reflective array unit sequentially comprises a top metal structure layer, a first dielectric substrate, a metal ground, a metal power supply layer, a second dielectric substrate and a bottom metal feed layer; and the top metal structure is loaded with an MOS switch chip. According to the invention, two states of 0 degree and 180 degrees of the phase of the metasurface reflective array unit are realized by controlling the on-off of the MOS switch chip, the state of each metasurface reflective array unit in the reflective array is controlled by the FPGA, beam scanning can be carried out at + / -45 degrees, and compared with a reflective array using a PIN tube as a tuning element, the design of a complex feed network is avoided, and the cost is reduced. The method has the advantages of high beam scanning speed and low power consumption.

The utility model relates to the technical field of motorized spindles, and discloses a motorized spindle structure for a motor machining grinding machine tool, which comprises a motorized spindle shell, a weight reduction groove is arranged on the peripheral side of the motorized spindle shell, radiating fins are arranged in the weight reduction groove, a condenser pipe is annularly wound in the weight reduction groove, an upper shell is arranged on the upper side of the motorized spindle shell, and a lower shell is arranged on the lower side of the motorized spindle shell. An exhaust fan is installed at the upper end of the upper shell, a lower shell is arranged on the lower side of the electric spindle shell, and an air inlet hole is formed in the bottom of the lower shell. When the heat dissipation fins in the weight reduction grooves dissipate heat of the motorized spindle shell, the cold circulation equipment is matched with the condensation pipe to dissipate heat of the motorized spindle shell and the heat dissipation fins, and the heat dissipation fins can be effectively cooled in cooperation with accessories in the upper shell and the lower shell on the peripheral side of the motorized spindle shell, so that the heat dissipation efficiency of the motorized spindle shell is improved, and the service life of the motorized spindle shell is prolonged. The situation that the heat dissipation effect of the condensation pipe and the heat dissipation fins is reduced due to the fact that air on the peripheral sides of the heat dissipation fins does not circulate is avoided, and the heat dissipation effect of the electric spindle is effectively improved through the electric spindle structure.

The present invention relates to the technical field of LED module boards, and the present invention discloses an LED module board and a display screen, including: a shell, an active cavity is provided around the shell, a slide groove connected to the active cavity is provided around the inner cavity of the shell, a plurality of slots are provided at equal distances on the front and rear sides of the inner cavity of the slide groove, and a plurality of air inlets connected to the inner cavity of the active cavity located below are provided at the bottom of the inner cavity of the shell; a protective mechanism is provided at the front side of the inner cavity of the shell; a protective screen is detachably provided at the front side of the inner cavity of the shell; an LED module board is provided in the inner cavity of the shell, and the LED module board is located at the rear side of the protective mechanism; and there are a plurality of lamp beads, and the plurality of lamp beads are provided at the front side of the LED module board. The device has the advantages of good heat dissipation effect and strong anti-static performance, and provides a more reliable and efficient solution for the application of LED module boards and display screens.

The utility model relates to the field of magnetic drive pumps, and discloses a magnetic drive pump with a cooling function, which comprises a base, a motor is fixedly connected to the upper end of the base, a pump body is fixedly connected to the working end face of the motor, and a first radiating pipe is fixedly connected to the outer side end of the pump body; the pump body comprises an impeller, a baffle, a transmission shaft, an inner magnetic rotor, an isolation sleeve and an outer magnetic rotor, the output end of the motor is fixedly connected with the middle of the side end of the outer magnetic rotor, and the outer side end of the isolation sleeve is fixedly connected with a second heat dissipation pipe. According to the magnetic drive pump, the first heat dissipation pipe and the second heat dissipation pipe are matched with the cooling liquid in the cooling liquid box, heat inside and outside the magnetic drive pump is absorbed at the same time, the first heat dissipation pipe located outside the magnetic drive pump is isolated from the external environment through the sleeve, and the cooling liquid which absorbs the heat returns to the cooling liquid box and then is cooled through the cooling fins; and the cooling effect on the cooling liquid is improved in cooperation with the cooling fan.

The invention discloses an electronic device heat dissipation structure level set topological optimization method and system based on a physical information neural network, and the method comprises the steps: describing a heat exchange behavior between a radiator and a heat source through a heat conduction model, and determining a corresponding boundary condition through a specific heat conduction physical phenomenon; a topological optimization numerical model suitable for a heat dissipation structure is provided according to a level set method, a heat transfer control equation based on an interpolation material is obtained through methods such as interpolation of thermophysical properties of the material through a characteristic function of a level set, and target functions such as the minimum average temperature or the minimum average temperature variance are set, so that the heat transfer control equation of the heat dissipation structure is obtained. And deriving an adjoint equation and sensitivity of the heat transfer equation by adopting a continuous adjoint method, solving the heat transfer equation, the adjoint equation and the reaction diffusion level set equation through a physical information neural network, and further updating a level set function. By adopting the heat dissipation structure optimization method provided by the invention, the design freedom degree is higher, and the temperature of the heat dissipation area can be effectively reduced.

The invention discloses a high-temperature heat distribution pipeline heat preservation structure, and relates to the technical field of high-temperature heat insulation. The heat preservation structure comprises a plurality of heat insulation supporting strips made of heat insulation materials, the heat insulation supporting strips are evenly distributed around the periphery of a preset circle, and the heat insulation supporting strips extend in the axial direction of the preset circle. The circumference defined by the outer sides of the heat insulation supporting strips is covered with a first reflecting layer, and the first reflecting layer is sequentially covered with a second heat preservation layer, a second reflecting layer, a third heat preservation layer and a waterproof layer. The two ends of each heat insulation supporting strip are each provided with a closed ring, each closed ring can seal a cavity defined by the corresponding two adjacent heat insulation supporting strips, the corresponding first reflecting layer and the preset circle periphery, the heat preservation effect is high, the structural thickness is small, the heat preservation efficiency is high, the heat preservation efficiency cannot be reduced after long-term use, and the heat preservation effect is good. And the requirements of heat efficiency and reliability of a medium conveying pipeline are met. The thermal pipe is covered with the thermal insulation structure.

The utility model discloses a dustproof sweeping robot which comprises a sweeping robot body, a groove is formed in the top of the sweeping robot body, a dust collecting assembly is clamped in the groove, the edge of the groove is rotationally connected with a dust cover, heat dissipation holes are formed in the two sides of the sweeping robot body, and the dust cover is connected with the dust collecting assembly in a clamped mode. Anode strips are fixedly connected to the edges of the peripheries of the heat dissipation holes, and dustproof assemblies are magnetically connected to the surfaces of the anode strips. When the dust-proof sweeping robot is used, the storage battery is started and supplies power to the ultraviolet germicidal lamp, so that the ultraviolet germicidal lamp emits light, the sterilization and disinfection effects are achieved, and the situation that bacteria and viruses on the ground are carried to different rooms when the sweeping robot body is used for sweeping, the pathogens are likely to spread in the home environment, and the service life of the sweeping robot is prolonged is avoided. And the ultraviolet germicidal lamp is added, so that the cleaning effect and convenience can be improved while the ground cleaning is completed, and the risk of disease transmission is reduced.

The utility model relates to the technical field of equipment boxes, and discloses an industrial robot terminal box which comprises a box body, a ventilation assembly used for ventilation is arranged on one side of the box body, the ventilation assembly comprises a side door, a filter screen and a scraper blade unit, and the scraper blade unit comprises a scraper blade body, a first guide rod and a push plate. The scraper body moves along the first guide rod to scrape dust and impurities on the side wall face, close to the side door, of the filter screen. The ventilation assembly is arranged to facilitate air flow to dissipate heat of electrical components in the box body, the filter screen is arranged to separate dust and impurities in the air, and the dust and the impurities can be gathered on the side wall surface, close to the side door, of the filter screen after long-time use. Maintenance personnel drive the scraper body to move by moving the push plate, the scraper body moves to scrape off dust and impurities on the filter screen, the device is easy to operate and convenient to use, and the service life of the device is prolonged.

The present invention relates to the technical field of high-voltage switch cabinets, and specifically to a dust-proof high-voltage switch cabinet, comprising a cabinet body, a cabinet door is provided on the cabinet body, a base is fixedly connected to the bottom of the cabinet body, a mounting hole is provided at the bottom of the inner wall of the cabinet body, a turntable is provided in the mounting hole, a one-way damping drive structure for driving the turntable to rotate is installed on the base, four through holes are provided on the turntable, a movable ring is provided in the through hole, a filter is fixedly connected in the movable ring, four fixed rings are fixedly connected to the top of the turntable, an elastic support member matched with the movable ring is installed on the fixed ring, a support frame is provided above the turntable, two first support rings and two second support rings are fixedly installed on the support frame, and the first support ring and the second support ring are fixedly connected to the inner wall of the cabinet body through a first mounting plate; dust on the filter can be cleaned, the influence of the filter blockage on the cabinet air intake and heat dissipation is reduced, and the dust-proof and ventilation effects of the filter are guaranteed.

The invention relates to the technical field of motor protection equipment, and particularly discloses a coding motor with a heat dissipation protection structure, which comprises a front panel, the tail part of the front panel is fixedly connected with a mounting cover through a bolt, the mounting cover is cylindrical, a motor body is arranged in the mounting cover in parallel, and the motor body is fixedly connected with the front panel through a bolt. The output end of the motor body is fixedly connected to the outer surface of the tail of the front panel through bolts, the output end of the motor body is rotationally connected with a transmission rod, and the end, away from the motor body, of the transmission rod penetrates through the front panel. When cold air is extracted into the mounting cover through the heat dissipation grooves, air can enter the mounting cover through the filtering holes in the filtering ring, external air is filtered through the filtering holes, the possibility that dust enters the mounting cover is greatly reduced, and the situation that the dust blocks the mounting cover to reduce the heat dissipation effect is avoided; and meanwhile, the problem that the service life of the motor body is affected due to the fact that dust enters the motor body can be greatly solved.

The invention discloses a casting process for producing a bimetal hydraulic rotor by a continuous furnace, which comprises the following steps of: cleaning casting surfaces of a steel substrate and a copper block, and placing the copper block in a copper liquid melting pool at the top of the steel substrate; covering the steel matrix solution copper pool with a heat preservation cover body made of a heat preservation material, then feeding the steel matrix solution copper pool into a continuous furnace, and performing heating, heat preservation and cooling along with the furnace according to a set casting temperature T and a set moving speed r to obtain the copper-steel bimetal rotor; wherein the heating, heat preservation and cooling processes are carried out under the protective atmosphere, in the heating process, heat is transferred to the copper block through the steel base body, and the copper block is melted; in the cooling process, under the heat preservation effect of the heat preservation cover body, heat of molten copper is transferred through the steel base body for cooling, and the solidification direction is from bottom to top; according to the method, the copper liquid is solidified in a sequential solidification mode, so that excellent metallurgical bonding at the bimetal composite interface is guaranteed, and the bonding strength is improved.

The invention discloses a display module and a vehicle-mounted display device. According to one embodiment, the display module comprises a backlight module, a display panel and a cover plate, and a backlight source of the backlight module and a driving chip of the display panel are both arranged on the first side edge of a frame area; the backlight module comprises a back plate, a middle frame and a backlight assembly, the back plate comprises a main plate and a side plate, and the middle frame comprises a middle frame main body, a frame side body and a frame retaining wall which are arranged in clamping grooves of the main plate and the side plate; a backlight source of the backlight assembly is arranged in an accommodating space formed by the main board and the frame side body, and a driving chip is arranged in an accommodating space formed by the frame retaining wall and the frame side body; the display module further comprises a first heat dissipation adhesive tape arranged on the side, close to the cover plate, of the driving chip, a second heat dissipation adhesive tape arranged on the side, away from the cover plate, of the driving chip and a heat insulation structure arranged on the side, close to the second heat dissipation adhesive tape, of the frame side body, and the first heat dissipation adhesive tape and the second heat dissipation adhesive tape extend to the frame retaining wall. According to the embodiment of the invention, the heat dissipation performance of the display module is effectively improved.

The utility model relates to the technical field of drilling protection equipment, and particularly discloses a protection support of a drilling bit for mining, which comprises a sleeve, a first arc-shaped surface and a second arc-shaped surface, the end covers are symmetrically and detachably connected to the two ends of the sleeve, second arc-shaped surfaces are arranged on the sides, close to the sleeve, of the end covers, the first arc-shaped surfaces and the second arc-shaped surfaces define annular grooves, and a plurality of balls are arranged in the annular grooves; according to the utility model, the friction and heat dissipation between the drill bit and the sleeve are reduced, the service lives of the drill bit and the sleeve are prolonged, the equipment cost in the mining process is reduced, and the mining efficiency is improved. And safety accidents caused by local overheating of the drill bit and the sleeve are effectively prevented, and therefore the problems that according to a traditional protection support, the sleeve is directly matched with the drill bit, abrasion of the surface of the sleeve and the surface of the drill bit is large, and the equipment maintenance and replacement cost is increased are solved.

The utility model discloses an SMD LED indicating lamp anti-astigmatism structure which comprises an installation shell and an upper cover plate, the upper cover plate is arranged on the top of the installation shell, pole pieces are arranged on the right side of the installation shell respectively, sealing cover pieces are connected to the top of the upper cover plate at equal intervals, lampshades are connected to the interiors of the sealing cover pieces, and the lampshades are arranged on the right side of the installation shell. The contact area of the outer side of the L-shaped heat conducting plate and air is increased through the cooling fins, heat generated on the circuit board can be conducted, the effective cooling effect is achieved, under the effect of the reflective film, a lamp tube irradiated by the patch LED lamp can be reflected to the specific direction, and therefore scattered light is reduced, a sleeve hole in the top of the hollow hemispherical cover can reduce a light source of the patch LED lamp bead, and the service life of the LED lamp bead is prolonged. And then the UV lens is matched, so that the light condensation effect can be further improved, the light source is more uniform, and scattered light is reduced.

The utility model discloses a photovoltaic bypass module and a photovoltaic junction box. The photovoltaic bypass module comprises a plurality of conductive terminals which are sequentially arranged in the horizontal direction, any three conductive terminals which are continuously arranged are a first conductive terminal, a middle conductive terminal and a second conductive terminal in sequence, and a first bypass element is arranged between the first conductive terminal and the middle conductive terminal. And the second bypass element is arranged between the middle conductive terminal and the second conductive terminal, so that a plurality of bypass module diodes can be formed, the plurality of bypass module diodes which are connected in series can be packaged in a relatively small volume, the size of the box body can be further reduced, and the cost is reduced.

The present invention discloses a hollow cathode high temperature heater, which is used to heat the emitter in the cathode tube, and comprises: an insulating liner, a heating element, a skeleton, and a multi-layer carbon felt heat shielding layer, which are coaxially nested and assembled from the inside to the outside; the insulating liner and the skeleton are both high temperature resistant insulating ceramics; the heating section, lead end and lead fixing of the heating element are integrally processed with isostatic high-density graphite, and the cross-section of the lead end of the heating element is significantly larger than that of the heating section; the insulating liner is a thin-walled cylinder, which is completely and tightly fitted with the inner wall of the heating element and the outer wall of the cathode tube, and the insulating liner and the ceramic skeleton realize structural clamping and reliable insulation of the heating element. The present invention uses isostatic high-density graphite as the heating element, which has low cost, high reliability, strong high temperature resistance, high heating efficiency, and long service life. The design of the lead end, insulating liner, skeleton, and heat shielding layer improves the efficiency of inward heat conduction, reduces unnecessary heating and heat dissipation, and has a simple process and is easy to manufacture, assemble and debug.

The utility model provides an electrical cabinet, which comprises a cabinet body provided with an accommodating cavity; the partition plate is arranged in the containing cavity so as to divide the containing cavity into a first chamber and a second chamber, the partition plate is provided with a first opening and a second opening, and the first chamber and the second chamber communicate with each other through the first opening and the second opening; the first fan is arranged at the first opening so as to drive gas to flow between the first chamber and the second chamber; and the heat exchanger is arranged on the first fan, and the heat exchanger can cool the containing cavity. Through the technical scheme provided by the invention, the problem that the heat dissipation effect of an electrical cabinet in the prior art is relatively poor can be solved.

The utility model discloses an engine postprocessor structure and a nozzle mounting structure, the nozzle mounting structure is arranged on a postprocessor body, the postprocessor body is provided with a nozzle mounting hole for mounting a nozzle, and the nozzle mounting hole is of a bowl-shaped structure; a nozzle receding hole is formed in the middle of the third heat insulation cotton, the third heat insulation cotton is installed in the nozzle installation hole, and the periphery of the third heat insulation cotton abuts against the inner side wall of the nozzle installation hole. The first cover plate is mounted outside the nozzle mounting hole through a bolt, and a receding hole is formed in the middle of the first cover plate to adapt to the structure of the nozzle. The utility model has the advantages of compact structure, good heat insulation effect and the like.

The invention relates to the technical field of air conditioners, in particular to an industrial environment-friendly air conditioner cold circulation device which comprises a shell, two mounting frames symmetrically fixed in the shell, a condensation pipe mounted on the mounting frames and a plurality of fins arranged on the condensation pipe, the mounting frames are L-shaped, and a mounting space is formed between the condensation pipe and the inner wall of the shell; a filter device is slidably arranged in the mounting space, the filter device comprises a filter frame, a plurality of cleaning assemblies are fixedly mounted on the mounting frame, each cleaning assembly is located between every two adjacent fins, and the cleaning assemblies are used for cleaning the fins; the cleaning assembly comprises two mounting strips, a plurality of mounting pieces and a plurality of cleaning pieces, the upper ends and the lower ends of the two mounting strips are fixedly connected to the upper side and the lower side of the filtering frame respectively, and the mounting pieces are fixedly connected to the mounting strips. According to the heat exchanger, it is guaranteed that dust on the fins is cleaned, meanwhile, energy consumption is reduced, and the environment-friendly and energy-saving effects are achieved.

The embodiment of the application discloses a high-pressure fan system for new energy engineering machinery, and belongs to the technical field of high-power equipment thermal management. The system comprises: a high-pressure fan; a driving motor, which is in transmission connection with the high-pressure fan; a motor controller, which is electrically connected with the driving motor, is used for driving the driving motor and adjusting the rotating speed of the high-pressure fan; a control module, which is in communication connection with the motor controller, is used for sending a rotating speed control instruction to the motor controller; a high-voltage power supply circuit, which has an input end connected with a whole vehicle high-voltage bus and an output end connected with a power input end of the motor controller, provides high-voltage direct current to the motor controller; and a low-voltage auxiliary power supply circuit, which has an input end connected with a whole vehicle low-voltage power supply and an output end connected with the control module, provides low-voltage direct current to the control module. Based on the system, the low-voltage system load and overload risk can be reduced, a single fan can meet the whole vehicle heat dissipation demand, the configuration quantity and space occupation are reduced, and the heat dissipation efficiency is improved.

The utility model provides a biomass furnace communicated with a heatable brick bed, which comprises a combustion section, a heating section and a heating section, one side of the air supply section is communicated with the upper part of the combustion section, and the other side of the air supply section is provided with a kang communicating air port; the furnace slag section is arranged at the bottom of the combustion section, the furnace slag section is used for receiving furnace slag generated by the combustion section, a slag receiving drawer is arranged in the furnace slag section, and the slag receiving drawer is used for receiving the furnace slag generated by the combustion section; an air adjusting plate capable of rotating is arranged at the joint of the combustion section and the air supply section and used for adjusting the air quantity flowing from the combustion section to the air supply section. According to the biomass furnace communicated with the heatable brick bed, the rotation angle of the air adjusting plate is adjusted through the air adjusting handle, the heating amount can be adjusted in a simple mode, and use is convenient; and the temperature change of the combustion section can be relieved through the water heat exchange system so as to relieve heat dissipation of the biomass heating furnace, and hot water can be provided for users.

The invention discloses a reactive hollow glass adhesive which comprises the following components in parts by weight: 20-60 parts of a base material, 20-80 parts of a filling material and 2-30 parts of a curing material. The reactive hollow glass adhesive is in a solid state at normal temperature, is in a low-fluidity fluid state at the high temperature of 140 DEG C or above, cannot be embrittled due to temperature reduction under the low-temperature condition, and is very good in adhesion with glass, and the conditions of viscosity loss and glass falling are not easy to occur.