117results about How to "Effective cooling function" patented technology

The invention provides an airflow generator, which is better provided with a sheet-shaped body; the sheet-shaped body comprises a support section and a swinging end, the sheet-shaped body near the support section is provided with a first magnetic induction functioning section which is corresponding to a second magnetic induction functioning section arranged at a spacing location of the sheet-shaped body, thereby the magnetic induction condition changing between the first magnetic induction functioning section and the second magnetic induction functioning section can result to the repetitive change of magnetism suction and exclusion, thereby the swinging end of the sheet-shaped body can be driven to swing; the volume of the novel structure of airflow generator can reach a tiny flat condition with an effective air-driving heat radiating effect; therefore, the invention can solve the problem in the prior radiator fan, which is widely used in the heat radiating structure of different light and small models of electronic equipment.

The invention discloses a rolling bearing dust prevention and temperature reduction device. The device mainly comprises a dust prevention cover and a fan. The rolling bearing dust prevention and temperature reduction device can provide an effective dust prevention and temperature reduction function for a rolling bearing, so that the operation state of the rolling bearing is improved, the service life is prolonged, and the device is easy to manufacture, assemble and mount and easy and convenient to use.

The invention relates to a new energy vehicle battery box with an efficient heat dissipation function. The new energy vehicle battery box comprises a battery assembly, a baffle assembly, a temperature sensor, a PLC, a first heat dissipation assembly and a second heat dissipation assembly, wherein the battery assembly comprises a shell, a battery array and a base plate; the first heat dissipation assembly comprises a heat conduction block, fins and a heat conduction silica gel plate; the second heat dissipation assembly comprises a second motor, a lead screw, a walking block, a ventilator and a fan. The new energy vehicle battery box with the efficient heat dissipation function is ingenious in structural design and high in heat dissipation efficiency; the temperature sensor detects the temperature of the battery array; general heat dissipation is performed via the first heat dissipation assembly, and meanwhile no energy is consumed; when the temperature detected by the temperature sensor is higher than a certain value, heat dissipation is performed via a third heat dissipation assembly, and meanwhile low energy is consumed and leakproofness is strong; when the temperature detected by the temperature sensor is also high, the shell is opened by the baffle assembly, efficient heat dissipation is performed via the second heat dissipation assembly, and normal operation of the battery array is ensured.

The invention provides a heat exchanger for an electric cabinet based on industrial machinery. The heat exchanger comprises a heat exchanger body, a casing, a mounting adjustment mechanism and an auxiliary heat dissipating mechanism, wherein the heat exchanger body is arranged at the middle position inside the casing and is connected with the casing through the mounting adjustment mechanism; the mounting adjustment mechanism comprise a clamping plate I, a nut seat I, a two-way ball screw, a clamping plate II, a nut seat II, gears, a motor I, racks, guiding grooves, guide sliding blocks, movinggrooves, connecting rods and bearing seats; the auxiliary heat dissipating mechanism is arranged in the heat exchanger body and comprises a groove, longitudinal screw rods, a nut seat III, heat dissipating fans, a supporting seat, a pulley, a sliding chute, lantern rings, springs and cleaning cotton. Compared with the prior art, the heat exchanger provided by the invention has the following beneficial effects that a quick adjusting function of a mounting position is realized and a high-efficiency heat dissipating function of a pipeline in the heat exchanger body is also realized.

The invention provides electronic equipment with an asymmetrical heat dissipation structure, which comprises a PCB (printed circuit board) substrate, a heat conducting metal core installed in the PCB substrate, and a miniature high-power device installed on the heat conducting metal core, wherein the heat conducting metal core comprises a base part and a protruding part extending from the base part, the size of the protruding part corresponds to that of the miniature high-power device, the size of the base part is greater than that of the protruding part, and the miniature high-power device is installed on the protruding part. The electronic equipment provided by the invention realizes effective heat dissipation of the high-power miniature device through the asymmetrical heat conducting metal core installed in a first slot part and a second slot part; the surface area of the PCB substrate is not occupied, an intensive circuit pattern design around the high-power miniature device is not affected, and the flexibility is high; and the effective heat dissipation area of the asymmetrical heat conducting metal core is large, and a function of effective heat dissipation of a partial micro area of the PCB substrate is realized.

The invention discloses a preparation method of copper nano-particles packed by nano-carbon and the application as thermal conducting fillers. The preparation method of the invention is as following: the pure copper powder with the mass percentage of 90 to 10 percent and the pure graphite powder with the mass percentage of 10 to 90 percent are blended to make into an anode composite rod; Ar gas is input into a vacuum response chamber with the response voltage of 20 to 30V, the electric current of 60 to 200A and the Ar gas pressure of 10 to 90kPa; electricity is discharged under the pressure, and the products generated in the response are collected after discharging to obtain the copper nano-particles packed by nano-carbon. The application is that the copper nano-particles packed by nano-carbon are homogeneously dispersed in silicon oil as thermal conducting fillers. The metal nano-particles packed by nano-carbon have high-efficient heat dissipation function; the copper nano-particles packed by nano-carbon can make use of the function of metal nano-particles to realize high-efficient transferring of heat and can also improve the deformation capability of metal nano-particles; the copper nano-particles packed by nano-carbon has corrosion resistance property, insulating property, and can reduce weigh; besides, the copper nano-particles packed by nano-carbon can effectively solve the problem of thermocontact, thereby being capable of being used in the heat-dissipation encapsulations of various electronic products.

The invention relates to a notebook computer with an intelligent speed-adjustable fan cooling function. The notebook computer comprises a screen and a control device which are in movable connection, wherein the control device comprises a control device housing and buttons arranged on the control device housing. The notebook computer further comprises a fan cooling layer and at least one supporting pad, wherein at least one through hole penetrating the upper surface and the lower surface of the control device housing is formed between the buttons; the fan cooling layer comprises a temperature sensor and a cooling layer housing, as well as a control module, a fan speed adjusting circuit and at least one fan which are arranged in the cooling layering housing. According to the design, the cooling effect of the notebook computer can be effectively improved.

A heat sinking element and a method of treating a heat sinking element are provided. The heat sinking element includes a metal substrate. The metal substrate is mainly composed of aluminium. A surface of the metal substrate has a plurality of micro-nano holes and a diameter of the micro-nano holes is smaller than 300 nm. The method of treating a heat sinking element includes performing an oxidation process and an etching process on the metal substrate so as to form the plurality of micro-nano holes.

The invention discloses an electric communication equipment case with efficient cooling function, comprising a fixing plate; a base is fixedly connected to each side of the bottom of the fixing plate, a case body is fixedly connected to the top of the fixing plate, one side of the case body is provided with air holes, and an intake case is fixedly connected to the top of the fixing plate on the left side of the case body. The electric communication equipment case with efficient cooling function can effectively solve the problem that since most electrical communication equipment cases in the market are provided with air holes in case bodies for cooling, cooling speed is low and cooling is ineffective, the case where long-term residence of heat in the case body causes damage to equipment in the case is avoided, the service life of electrical communication equipment is prolonged, inner air circulation in the case body can be maintained constantly, the inside of the case body is further cooled, the case body can also be dedusted to prevent the case wherein heavy dust in the case body causes dirt and chaos in the case body.

The invention relates to a power distribution cabinet with high-efficiency heat dissipation function for power systems, which includes a cabinet body, a cabinet door, two dust collection mechanisms and two gas transmission mechanisms, and the cabinet door is provided with a handle, a display screen, and several indicators. The lamp and several control buttons, the dust suction mechanism includes the first motor, the buffer block, two poles and several dust suction units, the dust suction unit includes the frame, the collar, the connecting rod, the dust suction block and the heat dissipation pipe, and the air transmission mechanism includes Bottom plate, water storage tank, drying box, air guide box, first air pipe, cover plate, second air pipe and third air pipe, the power distribution cabinet with efficient heat dissipation function for power system absorbs the inner wall of the heat dissipation pipe through the dust suction mechanism Dust on the surface prevents clogging and affects the discharge of hot air, thereby ensuring efficient heat dissipation performance. Not only that, the dry cold air is input into the cabinet through the air transmission mechanism, which improves the heat dissipation efficiency, ensures the heat dissipation effect, and greatly improves the equipment. practicality.

The invention relates to a three-dimensional packaged semiconductor structure. The three-dimensional packaged semiconductor structure comprises a first semiconductor structure and a second semiconductor structure which are bonded with each other, wherein the first semiconductor structure comprises a first substrate, one or more logic devices arranged on the first substrate, a first bonding surfacelocated above the one or more logic devices, a first through hole structure penetrating through the one or more logic devices, and first micro-channels distributed in the first substrate, the secondsemiconductor structure comprises a second substrate, one or more memory devices arranged on the second substrate, a second bonding surface located above the one or more memory devices, a second through hole structure penetrating through the one or more memory devices, and second micro-channels distributed in the second substrate, and the first semiconductor structure and the second semiconductorstructure are bonded with each other through the first bonding surface and the second bonding surface. The semiconductor structure can effectively dissipate heat.

The invention discloses a copper strip flexible connection part facilitating heat dissipation, and the connection part comprises a copper strip, projections, a heat dissipation hole, a first copper foil piece, a second copper foil piece, a third copper foil piece, a convex block, and a tin-coated heat dissipation layer. The external surfaces of the two sides of the copper strip are provided with projections, thereby increasing the heat dissipation area of the surface of the copper strip, and enabling the copper strip to be easier to cool. A connection fixing part is provided with a connection fixing hole, and the side surface, perpendicular to the connection fixing hole, of the connection fixing part is provided with a heat dissipation hole, thereby solving a problem that a large amount of heat is liable to be generated at a copper strip flexible connection point, and achieving the timely and effective heat dissipation function. The external surfaces of the convex blocks on the first and second copper foil pieces and the external surface of the convex block on the third copper foil piece are welded together, thereby achieving the forming of through holes between the internal convex blocks of the copper strip flexible connection part, and facilitating the heat dissipation. The copper strip is provided with the tin-coated heat dissipation layer, and the tin-coated heat dissipation layer is good in heat dissipation effect, thereby facilitating the heat dissipation of the copper strip, and solving a problem that a conventional large-current copper strip flexible connection part is difficult to cool.

The invention provides a high-heat-dissipating permanent magnet synchronous motor including a rotor, a shell, a heat dissipation mechanism and a protective mechanism, The rotor is installed at a middle position within the shell, A heat dissipation mechanism is arranged on the left end surface of the shell, the heat dissipation mechanism comprises a stage, a Placement chamber, a cooling fan, Gas pipes, heat collectors, a dovetail slot, a dovetail slider, an Upper Arc Clip, an upper spring, slot, a Connecting pipe, a lower arcuate clamp and a lower spring, the protective mechanism is arranged onthe outer surface of the housing, The protective mechanism comprises a protective cover, a splint, a return spring, a locking bolt, a guide screw hole, a splint, a return spring, a positioning hole and a positioning column. Compared with the prior art, the invention has the following beneficial effects: the high-efficiency heat dissipation function is realized; the protective function is also realized; and the service life is prolonged.

The present invention relates to an intelligent filtration and detection heat dissipation notebook computer. The computer comprises a screen and a control apparatus, which are movably connected to each other. The control apparatus comprises a control apparatus housing and keys arranged on the upper surface of the control apparatus housing, and further comprises a fan heat dissipation layer and at least one supporting pad; at least one through hole penetrating through the upper and lower surfaces of the control apparatus housing is formed between the keys on the upper surface of the control apparatus housing; and the fan heat dissipation layer comprises a temperature sensor, a heat dissipation layer housing, as well as a control module, a filter circuit and at least one fan, that are arranged in the heat dissipation layer housing. According to the intelligent filtration and detection heat dissipation notebook computer designed in the present invention, the heat dissipation effect of the notebook computer can be effectively improved.

Provided is a cooling water tank for an imaging device. The device is used for cooling detector modules in a PET system, and comprises a liquid inlet chamber and a liquid outlet chamber which are communicated with each other, wherein the liquid inlet chamber and the liquid outlet chamber are both annular structures, and the inner diameters of the liquid inlet chamber and liquid outlet chamber areboth no less than the bore diameter of a scanning channel of the imaging device; the liquid inlet chamber comprises a liquid inlet cavity, at least one set of first-type liquid inlet ports, and at least one set of first-type liquid outlet ports, the first-type liquid inlet ports and the first-type liquid outlet ports are formed in the liquid inlet cavity, and the first-type liquid inlet ports arecommunicated with the outside and used for introducing cooling liquid; the liquid outlet chamber comprises a liquid outlet cavity, at least one set of second-type liquid inlet ports, and at least oneset of second-type liquid outlet ports, the second-type liquid inlet ports and the second-type liquid outlet ports are formed in the liquid outlet cavity, and the second-type liquid outlet ports are communicated with the outside and used for discharging the cooling liquid; the first-type liquid outlet ports and the second-type liquid inlet ports are respectively communicated with all the detectormodules, the cooling liquid in the liquid inlet cavity flows through all the detector modules through the first-type liquid outlet ports, and flows into the liquid outlet cavity through the second-type liquid outlet ports. The cooling water tank for the imaging device has the advantages that the heat dissipation of the detector modules is effectively achieved, and at the same time, the installation space is reduced.

The invention provides a converter device and a converter device manufacturing method for reliably filling a gap between electrical components of a mounting substrate and realizing miniaturization. The converter device is provided with a mounting board (2) for mounting the base plate (3), and a cover (4) for holding the housing (3) in the form of an opening (33) and four side plates erected on the outer peripheral portions of the bottom plate (31), and the ribs (34) are formed in the form of a member (22) in the form of a member mounting panel (21a) for mounting the electric component opposed to the bottom plate and the mounting surface is abutted against the rib, and the filler is filled in the bottom plate (31) and the mounting surface (21a). The cover portion is attached to the housing in a state where the protrusion (43) provided on the inner surface abuts against the back surface of the mounting board and presses the mounting substrate against the bottom plate side.

The invention provides a conveniently installed projection lamp which comprises a rear cover, a front cover, a light source, a support, an auxiliary installation mechanism and a cooling mechanism. Thefront cover is fixed onto the front side surface of the rear cover through a screw, the light source is mounted in the inner middle of the rear cover, the support is mounted on the lower side surfaceof the rear cover, the auxiliary installation mechanism is arranged on the right of the lower side surface of the rear cover and comprises a limit slider, a limit sliding groove, a groove, an electric pushing rod, a platform deck, a front clamping piece, a front guide groove, a front spring, a rear spring, a rear guide groove and a rear clamping piece, and the cooling mechanism is arranged on therear end surface of the rear cover and comprises a guide slider, a guide sliding groove, a reset spring, a supporting plate, a vertical frame, a driving shaft, a cam, an ejector block, a cooling cover and a cooling fan. Compared with the prior art, the lamp has the advantages that the lamp is rapidly installed on different objects, the installation range is widened, and an efficient cooling function is achieved.

The invention relates to a dry recovery method of partial molten iron-steelmaking coal gas of an arc furnace. The method comprises the following steps: when molten iron is added in the arc furnace and oxygen-blowing and decarburization are performed, the micro-positive pressure in the arc furnace is ensured, then exhaust gas is cooled, dedusted and performs spark collection, the temperature is reduced to 150-180 DEG C, the dust content is not more than 30mg / Nm<3>; clean exhaust gas is sent to a coal gas switching station, if meeting the recovery conditions, the exhaust gas is sent to a coal gas cooling tower, the coal gas is cooled and then sent to a gas chamber, then a coal gas pumping station is used to pressurize and send the coal gas to each user; and if not meeting the recovery conditions, the exhaust gas is ignited and discharged through an emission chimney. The invention is characterized in that the process flow is simple, the existing devices can be fully used, the coal gas resource of arc furnace steel making can be effectively recovered, the recovery rate is not less than 80%, the economic benefit of the smelting enterprise is increased, and the air pollution caused by coal gas is reduced.

Provided are a nano heat-dissipation coating and a preparation method. The nano heat-dissipation coating is prepared by mixing 100-200 parts of deionized purified water, 100-200 parts of nano alumina (Al2O3) colloid (5-20 nm), 1-5 parts of formic acid (analytically pure), 200-300 parts of methyl trimethoxy silane (99%), 50-100 parts of gamma-glycidoxypropyltrimethoxysilane KH560, 50-100 parts of nano titanium dioxide powder and 100-200 parts of silicon powder. The nano heat-dissipation coating can lead out the heat produced inside an LED lamp holder, an automobile engine and a motorcycle engine in work and is high in heat-dissipation efficiency and long in service life. Based on the raw materials and proportion adopted for the nano heat-dissipation coating, the prepared coating further has high hardness (8H), high abrasion-resisting performance and the like besides a function of high-efficiency heat dissipation.

The invention discloses a high-efficiency planetary gear reducer with heat dissipation function, which includes an outer shell, an inner shell, a first sun gear and a first planetary gear; the high-efficiency planetary gear reducer with heat dissipation function of the present invention, through There are several heat dissipation holes on the shell wall, which can dissipate the heat in the inner shell, and a number of arc-shaped heat dissipation pipes are symmetrically arranged on both sides of the shell wall of the outer shell to discharge the heat from the heat dissipation holes, and the arc-shaped The central position of the heat dissipation pipe is bent upwards, which can prevent the water on the shell wall from flowing into the interior of the shell, and then enter the inner shell through the heat dissipation holes, and damage the equipment in the inner shell. The reducer has a high-efficiency heat dissipation function, which improves its service time, and through the driven action of the planetary gear and the sun gear, the reducer can have a high-efficiency deceleration function, good cooling effect, high deceleration efficiency, and easy promotion and use.

The invention discloses a cooling device for improving the power generation capacity of photovoltaic cells, which is a T-shaped radiating pipe composed of a main pipe and at least one side pipe that communicate with each other; The fins are provided with brackets for placing photovoltaic cells on the side tubes. Compared with the existing solar tracker, the cooling device for improving the power generation capacity of the photovoltaic cell of the present invention has outstanding advantages including: due to the use of the heat pipe heat transfer principle in which the two phases of the cooling medium alternately change under high vacuum conditions, the The cooling device has the characteristics of quick start of the cooling process, small temperature difference between the cooling end (main pipe) and the heating end (side pipe), so that both ends have strong heat absorption and heat dissipation capabilities, and the heat on the photovoltaic cells can be dissipated efficiently and quickly, which will effectively guarantee Photovoltaic power generation components have high conversion efficiency and long service life. After testing, the cooling device can meet the use requirements of 1000 times of light concentration, which greatly improves the power generation capacity of photovoltaic cells.

The invention discloses an explosion-proof motor with a high efficiency cooling function. The explosion-proof motor comprises a motor body. A casing is arranged outside the motor body. The motor body is internally provided with a stator and a rotor. The output end of the rotor extends to the outside of the casing. A heat radiation gap is arranged between the motor body and the casing. The heat radiation gap is internally provided with heat radiation pieces in a uniform distribution. The top of the casing is fixedly connected to an air pump and a cooling box, and the air pump and the cooling box are fixedly connected through an air guiding pipe. The heat radiation gap communicates with the air pump through a suction pipe. The cooling box communicates with the heat radiation gap through an air pipe. The motor body is also internally provided with a temperature sensor, a microprocessor and a signal converter. According to the explosion-proof motor with a high efficiency cooling function, certain heat energy is generated in the use process of the motor, the motor body can be rapidly and effectively cooled, the normal operation of the motor is ensured, the explosion of the motor is avoided, and security risks are avoided.

The invention relates to an intelligent heat radiation notebook computer, which comprises a screen and a control device, wherein the screen and the control device are mutually and movably connected; the control device comprises a control device case, press keys and a computer assembly; the press keys are arranged on the upper surface of the control device case; the computer assembly is arranged inside the control device case; the intelligent heat radiation notebook computer also comprises a fan heat radiation layer and at least one support pad; at least one through hole penetrating through the upper and lower surfaces of the control device case is formed in a position positioned between every two press keys of the upper surface of the control device case; the fan heat radiation layer comprises a temperature sensor, a heat radiation layer case, a control module and at least one fan; the control module and the at least one fan are arranged in the heat radiation layer case. The intelligent heat radiation notebook computer designed by the invention has the advantage that the heat radiation effect aiming at the notebook computer can be effectively improved.

The invention relates to a pipeline-type liquid heat-radiating device, which adopts a brand-new design structure. A structure formed by mutual nesting of an outer pipe (1) and an inner pipe (2) is designed; through flow of the liquid designed in the inner pipe (2), temperature difference between gap environment between the outer pipe (1) and the inner pipe (2) and a region, the heat of which is to be dissipated, of the outer pipe (1) is generated; through vent holes (9) in the surface of the outer pipe (1), ventilation between the air in the region, the heat of which is to be dissipated, of the outer pipe (1) and the air in the gap environment between the outer pipe (1) and the inner pipe (2) is realized; and meanwhile, through intelligent detection of the region, the heat of which is to be dissipated, of the outer pipe (1) based on a temperature sensor (5), work of a fan (6) arranged at the open-mouthed end of the outer pipe (1) is controlled to realize accurate guidance of the flow of the air in the gap environment between the outer pipe (1) and the inner pipe (2), thereby effectively ensuring heat-radiating work efficiency of the pipeline-type liquid heat-radiating device in the actual application process.

The invention discloses an explosion-proof motor with a high efficiency cooling function. The explosion-proof motor comprises a motor body. A casing is arranged outside the motor body. The motor body is internally provided with a stator and a rotor. The output end of the rotor extends to the outside of the casing. A heat radiation gap is arranged between the motor body and the casing. The heat radiation gap is internally provided with heat radiation pieces in a uniform distribution. The top of the casing is fixedly connected to an air pump and a cooling box, and the air pump and the cooling box are fixedly connected through an air guiding pipe. The heat radiation gap communicates with the air pump through a suction pipe. The cooling box communicates with the heat radiation gap through an air pipe. The motor body is also internally provided with a temperature sensor, a microprocessor and a signal converter. According to the explosion-proof motor with a high efficiency cooling function, certain heat energy is generated in the use process of the motor, the motor body can be rapidly and effectively cooled, the normal operation of the motor is ensured, the explosion of the motor is avoided, and security risks are avoided.

The invention relates to the technical field of photovoltaic systems, and discloses a high-safety photovoltaic module-level fire safety switch which comprises a shell, limiting pieces are installed insliding rails through sliding blocks, one side of each limiting piece is connected with the inner side of the shell through a second reset spring. A micro motor, a switch and a temperature sensor areinstalled on the surface of the circuit board, electronic cooling fins are installed on the surface of the circuit board, a small cooling fan is installed at the top of the installation frame, clamping blocks are arranged on the two sides of the first fixing block, and a filter screen is arranged in the middle of the installation frame. According to the high-safety photovoltaic module-level firesafety switch, by arranging the electronic cooling fin, the small cooling fan, the filter screen, the clamping block and the limiting block, the high-safety photovoltaic module-level fire safety switch has an efficient cooling function and a rapid clamping and fixing function, the filter screen and the cover plate are convenient to disassemble and assemble, the surface of the filter screen is keptclean, and the cooling effect is improved.

The invention relates to the technical field of extruding machines, in particular to an integrated cooling type tin bar extruding machine. The integrated cooling type tin bar extruding machine comprises an extruding machine body, and the extruding machine body comprises a working table plate, extruded materials, a processor and two electromagnetic valves, wherein a water receiving box is fixedly arranged on one side of the working table plate, a cooling box is arranged on one side of the water receiving box, and L-shaped connecting frames are fixedly arranged on the two sides, away from each other, of the cooling box correspondingly; one side of each L-shaped connecting frame is fixedly connected with one side of the water receiving box, a plurality of cooling holes are formed in one side of the cooling box, and cooling pipes are fixedly arranged on the inner sides of the cooling holes correspondingly. According to the integrated cooling type tin bar extruding machine, through the arrangement of the water receiving box, the cooling box, the cooling pipes, a water pump, a water tank, a cooling device, a cutting base, a tool apron, a hydraulic cylinder, a cutting tool, an L-shaped sliding frame, a touch switch, a spring, a U-shaped frame, a guide damping device, a U-shaped sliding frame and an automatic reset device, the integrated cooling type tin bar extruding machine has the functions of rapid cooling, circulating cooling, automatic slitting, length adjustment, continuous slitting and the like.

The invention provides an LED line lamp with excellent radiating effect and convenience in mounting and relates to the field of LED line lamp. The LED line lamp with excellent radiating effect and convenience in mounting comprises a lamp housing; the interior of lamp housing includes a fixed rod, a radiating fin and a radiating hole; one end of the fixed rod is fixedly connected with one side of an inner wall of lamp housing. In the LED line lamp with excellent radiating effect and convenience in mounting, due to the arrangement of fixed rod and the cooperative arrangement of radiating fin, radiating hole, jacket, radiating water chamber, through hole, filter screen, air gathering block and air gathering hole, a condensate cooling fluid can be poured into the radiating water chamber through a water pipe, and then a sealing cover can be covered, so that heat generated in the lamp housing in use can be transferred into the radiating water chamber in the jacket through the radiating fin on the fixed rod, the condensate fluid in the radiating water chamber is capable of further radiating the radiating fin, and the radiating fin after radiating is capable of transferring low temperatureback to the lamp housing so as to cool the interior of lamp housing.