151results about How to "Good cooling" patented technology

An object of the present invention is to provide large-sized zinc oxide particles that show, when incorporated to a cosmetic product, excellent properties including transparency, infrared reflection, and the like without deteriorating the feel; and also a cosmetic containing the same.The zinc oxide particles having an average particle diameter of 3 to 20 μm, an average friction coefficient of 3 or less, a total visible light transmittance of 85% or more, and a near-infrared reflectance of 80% or more.

The invention discloses an infrared radiation composite radiating coating, and a preparation method and a spraying method thereof. The coating comprises the components of epoxide resin or acrylic resin, nano-silicon dioxide, 2-propenyl-polyaniline nanometer fiber and a solvent according to quality ratio. The preparation method comprises the steps of preparing solvent, dissolving resin, preparing surface layer RS-01 spraying coating, ball milling; sealing liquid for use, and preparing bottom layer black carbon coating. The spraying method comprises bottom layer coating spraying and surface layer coating spraying, and specifically comprises the following steps: spraying the black carbon coating on the surface by a spraying gun, spraying the surface layer coating on the black carbon coating by the spraying gun, spraying 1 to 5 layers on the surface layer and drying the layers. Infrared emissivity is more than or equal to 0.96, the emission wavelength is 750 to 1600 nm, and the power emissivity is 456 W / m<2>. Nano-high radiation thermal-conductive polymer material is firmly combined with a radiator and can radiate near infrared, mid-infrared and far infrared rays, the efficiency is enhanced by 18 to 20 percent, and the invention has high efficiency, is convenient and protects the environment.

An arrangement for a supercharged combustion engine for preventing ice formation in a cooler. A first cooling system with a circulating coolant. A second cooling system with a circulating coolant which during normal operation of the combustion engine is at a lower temperature than the coolant in the first cooling system. The cooler in which a gaseous medium for the engine and which contains water vapour is intended to be cooled by the coolant in the second cooling system. A heat exchanger. A valve which can be placed in a first position wherein coolant from at least one of the cooling systems is prevented from flowing through the heat exchanger and in a second position wherein coolant from both of the cooling systems flows through the heat exchanger so that the coolant in the second cooling system is warmed by the coolant in the first cooling system.

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 discloses a continuous production device for calcining and whitening black talc and a production process thereof. The continuous production device comprises a coarse particle suspension preheater, a white talc rotary kiln and a grate type cooling machine with a heat preservation kettle, which are sequentially connected; the production process comprises the following steps: A. superfine-grinding black talc; B. preheating by a preheater at the kiln tail; C. calcining in the rotary kiln; and D. preserving heat by the heat preservation kettle and cooling. The design of the coarse particle suspension preheater is adopted and the tail gas waste heat of the white talc rotary kiln is fully utilized, so that the energy consumption is reduced; the calcining efficiency is improved due to a pickaxe-shaped spiral pushing device of the rotary kiln and spirally-arranged heat-resisting bricks with ribs, and the grate type cooling machine with the heat preservation kettle can achieve excellent heat-preservation and cooling effects; and the continuous production device can achieve large-scale continuously-mechanical production for calcining white talc and adopts center-control automatic operation, so as to greatly improve the labor productivity and achieve stable quality and environment-friendly production, thereby having good economic and environment-protection benefits.

The invention provides a flat plate heat pipe which comprises a flat plate shell, a liquid filled pipe and a capillary core. The interior of the flat plate shell is arranged in a hollow manner. Multiple grooves distributed in cross manner are formed in the upper inner surface and the lower inner surface of the flat plate shell, and every two adjacent grooves are spaced by a protrusion. A small hole communicating with the interior of the flat plate shell is formed in the flat plate shell. The liquid filled pipe is fixedly connected to the flat plate shell through the small hole. The capillary core is arranged in the flat plate shell, and the upper surface and the lower surface of the capillary core are in contact with the protrusions on the upper inner surface and the lower inner surface ofthe flat plate shell correspondingly. A section-closed channel is formed by the capillary core and the grooves. According to the flat plate heat pipe, the heat flux of a heat source can be effectively reduced, thermal homogeneity is good, reliability is high, and the excellent thermal homogeneity can be achieved under the antigravity condition.

An arrangement for controlling cooling of a gaseous medium for a supercharged combustion engine (2): A low temperature cooling system with a coolant, a coolant pump (27) for circulating the coolant in the cooling system. A cooler (10, 15) in which a gaseous medium which contains water vapour is intended to be cooled by the coolant in the cooling system. At least one sensor (33, 35) for detecting a parameter which indicates whether the gaseous medium is cooled so much that there is ice formation or risk of ice formation in the cooler (10, 15). A control unit (31) for receiving information from the sensors (33, 35) and for deciding whether there is ice formation or risk of ice formation in the cooler (10, 15) and, if so, for controlling the coolant pump to be temporarily switched off or circulate a reduced flow of coolant through the cooler (10, 15) relative to a normal flow. There are preferably two coolers in series and a respective high temperature cooling system for the first cooler and a low temperature cooling system for the second cooler.

The invention provides oil for high-efficiency copper hot rolling, which relates to oil for processing nonferrous metals. The oil for high-efficiency copper hot rolling comprises the following components in percentage by weight: 50-70% of transformer oil 10#, 5-20% of polyalcohol saturated ester, 5-15% of tall oil fatty acid, 1-10% of diamidodimethyl, 2-10% of triethanolamine, 1-10% of bactericide, 5-40% of non-ionic surfactant, 5-20% of anionic surfactant, 2-30% of sorbitan monooleate, 0.1-10% of benzotriazole and 0.1-10% of benzotriazole derivatives. The oil for high-efficiency copper hot rolling has the advantages of high stability, long life cycle, excellent cooling property and lubricating property, environment friendliness, favorable degradability, high antirust performance and high corrosion resistance, and has favorable protective function on the rolling machine and rolled pieces.

The invention provides a weaving method of a cool-feeling fabric, comprising organization D / structure of the fabric, used raw materials, weaving form, and the like. The fabric is woven by a water-jetloom through jetting 75D / 72F superfine fiber polyesters as warp and two pieces of 70D / 48F modified polyamide 6 as weft. According to the method, twill weave is used, the cool-feeling yarn has long floating threads, the warp and weft are interwoven for many times, so that when a customer is using the fabric, the skin is in contact with the modified polyamide 6 with the cool feature, and thus the good cool effect is achieved. Meanwhile, the warp in the method is superfine yarn with good moisture absorbing and quick-dry performance, so that the cool feeling of the fabric in contact is better. During a dyeing process, the innovative tatting weave acid dyeing technology is used, under a low temperature condition, the cool-feeling yarn is uniform in color and soft in hand feeling, and the problem of hand feeling and color change of the cool-feeling nylon occurring in common dyeing is overcome. According to national standard 2016, the cool feeling value of woven fabric should be not less than0.17 W / cm<2>, and the product has the cool feeling value above 0.3 W / cm<2> which is far more than the national standard.

Disclosed is a liquid composition for the oral cavity which contains isopropyl methyl phenol. The isopropyl methyl phenol-containing liquid composition for the oral cavity is contains (A) a nonionic surfactant, (B) a wetting agent selected from among glycerin, propylene glycol, polyethylene glycols and sorbitol, (C) 1-menthol, (D) a para-hydroxybenzoate and (E) a fragrance material selected from among 3-octanol, 3-octyl acetate, 3-octanone and fenchone. The total amount of component (B) contained in the composition is 5-20% by mass of the total mass of the composition, and substantially no ethanol is contained in the composition. The composition exhibits high penetration and high bactericidal effect on periodontal disease-causing biofilms, is free from the unpleasant taste caused by isopropyl methyl phenol, and has excellent feeling of use and good appearance stability.

The invention provides a split type semiconductor air conditioner, comprising an indoor main machine, an outdoor main machine and a heat transfer pipeline which connects the indoor main machine and the outdoor main machine; circulating fluid is arranged in the heat transfer pipeline, the indoor main machine comprises an inner machine case, a semiconductor refrigeration piece which is arranged in the inner machine case, a front heat exchange radiator and a back heat conduction radiator which are connected with two energy ends of the semiconductor refrigeration piece, the front heat exchange radiator is used for regulating the temperature of gas which is flowed through, and the back heat conduction radiator is used for evacuating useless energy on the semiconductor refrigeration piece. The split type semiconductor air conditioner has the advantages that: the semiconductor refrigeration piece is used for replacing a compressed refrigerant for carrying out refrigeration, thereby being safe and reliable and having no environmental pollution; heat which is generated by the semiconductor refrigeration piece is transferred to the outdoor main machine through the heat transfer pipeline for carrying out heat radiation, thereby realizing the good heat radiation and ensuring the working stability of the semiconductor refrigeration piece.

A condenser is provided that can discharge condensate liquid smoothly without worrying about surrounding spread of bad smell, and has simple structure and the small number of components, thus adapting to miniaturization. The condenser is provide with: a plurality of gas cooling channels (54), (56) that are mutually communicable and allow for pass-through of gases comprising steam; a liquid collection chamber (48) which collects the condensate liquid liquefied in the gas cooling channels (54), (56), wherein bottom of the liquid collection chamber (48) is provided with a deodorant device (66) that not only allows for discharging of the condensate liquid, but also restricts discharging of the gases, in the other hand, mounting holes (68) of the gas cooling channels (54), (56), the liquid collection chamber (48) and the deodorant device (66) integrally form a resin-made condenser and a household garbage treater by resins by means of blow molding.

The invention relates to the technical field of bulbs, and particularly discloses an efficient radiating type LED lamp which comprises a lamp holder, a substrate seat and a lampshade. One end of the substrate seat is connected with the lamp holder, a substrate with a circuit board is arranged at the other end of the substrate seat, a plurality of LED light emitting assemblies are arranged on the substrate, the substrate seat is in the shape of a circular truncated cone, a heat conduction plate is arranged at a large-diameter end of the substrate seat, the large-diameter end of the substrate seat axially extends to form a convex ring, the substrate is mounted in the convex ring, a small-diameter end of the substrate seat inwardly and radially extends to form a clamp ring, an isolation pipe is arranged between the clamp ring and the heat conduction plate, a closed annular radiating cavity is enclosed by the substrate seat, the isolation pipe, the clamp ring and the heat conduction plate and is filled with nitrogen or inert gas, and metal sodium is arranged inside the annular radiating cavity. The efficient radiating type LED lamp has the advantages of good radiating performance and long service life.

The present invention relates to an adhesive sheet for cooling that satisfactorily maintains a cooling effect using the heat of vaporization of water and that can demonstrate a sustained high-level cooling effect. The adhesive sheet for cooling is formed by layering a water-containing polymer gel (A) and a fiber sheet (B) and has an amount of moisture of 585-1700 g / m2, the water-containing polymer gel (A) having a moisture content of 65-95 mass%, and the fiber sheet (B) having a thickness of 0.001-1 mm, a grammage of 3-70 g / m2, and a water absorbency test value of 1-16000 seconds.

The invention relates to a new energy automotive power battery heating and cooling integrated device which is characterized by comprising a water tank, a water pump, a heat radiator, a heat exchange plate, a heater and pipelines, wherein the heat exchange plate comprises a bottom plate, a flat thin pipe and pipe joints; the heater comprises a shell body, a liquid inlet pipe, a liquid outlet pipe, a heating core, a temperature sensor and a power supply connection device; a liquid outlet end of the water tank communicates with a liquid inlet end of the water pump through the pipeline; a liquid outlet end of the water pump communicates with a liquid inlet pipe of the heater through the pipeline; a liquid outlet pipe of the heater communicates with one pipe joint of the heat exchange plate through the pipeline, and the other pipe joint of the heat exchange plate communicates with a liquid inlet end of the heat radiator through the pipeline; and a liquid outlet end of the heat radiator communicates with a liquid inlet end of the water tank through the pipeline. The new energy automotive power battery heating and cooling integrated device has the advantages of simultaneously solving heating and heat dissipation of a new energy automotive power battery.

A high-performance power supply heat sink comprises a bottom shell and a top shell, wherein a first cooling strip is arranged at the bottom of the bottom shell, support plates are symmetrically arranged at two sides of the bottom of the bottom shell, a second cooling strip, a third cooling strip and a fourth cooling strip are sequentially arranged at two sides of the bottom shell from top to bottom, a first embedment block is arranged at the top of one side of the bottom shell, a second embedment block is arranged at the top of the other side of the bottom shell, a first embedment groove is formed in one side of an upper top part of the first embedment block, a second embedment groove is formed in an inner side wall of the second embedment block, cooling grooves are formed in two sides ofthe top plate, a first embedment strip is arranged at the bottom of one side of the top plate, a second embedment strip is arranged at the bottom of the other side of the top plate, the top plate is embedded into the first embedment groove by the first embedment plate, and the second embedment strip is embedded into the first embedment groove to achieve detachable connection with the bottom shell.The bottom shell and the top plate employ various cooling strip structures, so that that heat sink is uniform and efficient in cooling and has excellent cooling effect; and moreover, the support plates are specially arranged at two sides of the bottom of the bottom shell, and the stability is high.

The invention provides a high power LED luminescence light source unit integrated with a radiator as a whole body, comprising a radiator and one or a couple of high power LEDs fixed on central installation platform of end surface of main body of the radiator and closely contacted with the radiator. Light source joints are arranged at the other end of the radiator corresponding to installation surface of the LED to connect the positive and negative electrode of the LED and realize active connection with matching lamp interfaces. By using matching luminescence lamps, the invention uses active connection manner to arbitrarily combine into high power LED lamp light source of various specifications, thus making the light source parts of the high power LED realize modularization and having the advantages and characteristics of more efficient radiating of the LED and being convenient to scale production and installation and maintenance of the lamp light sources and saving cost.

The invention discloses a cool sweat-absorbing summer clothing fabric. The fabric is formed by interweaving warp and weft in a one-up one-down plain weave, honeycomb micro-pore modified polyester / jade fiber / viscose blended yarn is adopted as the warp, modified bamboo fiber / hemp fiber / soy protein fiber blended yarn is adopted as the weft, and the fabric is prepared after heat setting and wrinkle-resistant softening post-finishing. The cool sweat-absorbing summer clothing fabric has the advantages that the fabric has excellent sweat-absorbing property and excellent breathability, can effectively control the adhesion feel caused by sweating from exercises, and has a good cool sense, anti-bacterial property and anti-ultraviolet property; the fabric is good in anti-wrinkling effect and easy to color, has a smooth soft hand feel and wash durability, and has a good wearing comfort, so that it is healthier for people to wear; it is not necessary to consider contraction after cloth cutting, sewing and ironing, the fabric is easy to produce, simple in processing technology, easy to operate and control, stable in quality, high in production efficiency, and easy for large-scale industrialized production.

The invention provides a preparation method of flame-retardant cool cellulose fibers for summer curtains. The preparation method comprise the following steps of preparing a composite flame retardant slurry, preparing an ice-cooling agent slurry, preparing a blended spinning solution, and performing spinning. The flame retardant contains magnesium hydroxide microcapsules, and rare earth lanthanum chloride microcapsules are added into the composite flame retardant, so that the flame retardant effect of the flame retardant can be enhanced, lanthanum chloride has a relatively good antibacterial effect, and therefore a curtain prepared from the fiber has a relatively good antibacterial effect. The dry breaking strength of the prepared fiber is 1.86-2.13 cN / dtex, the wet breaking strength is 0.95-1.16 cN / dtex, the limit oxygen index is 28.3-30.6%, the staphylococcus aureus inhibition rate is 99.2-99.9%, the escherichia coli inhibition rate is 98.6-99.9%, the UPF value is 42-44, and the UVA value is 3.92-4.65%.

The invention discloses an integrated circuit packaging board and a mounting device thereof. The integrated circuit packaging board comprises an integrated circuit packaging board and a mounting workbench, wherein the integrated circuit packaging board is placed on the mounting workbench, and the integrated circuit packaging board comprises a bottom board, a substrate, a heat dissipation graphitefilm layer and a top board, wherein the bottom board, the substrate, the heat dissipation graphite film layer and the top plate are sequentially arranged from bottom to top; an IC chip mounting grooveis formed in the middle of the heat dissipation graphite film layer and the top board, and an IC chip is placed at the top of the IC chip mounting groove; and a pin hole is formed in the lower portion of the IC chip, and a heat conduction silica gel sheet is arranged above the IC chip. The invention relates to the technical field of integrated circuit packaging boards. According to the integratedcircuit packaging board and the mounting device thereof, the heat dissipation of the integrated circuit packaging board is high, and the mounting is convenient; the packaging board with the compositeheat conduction structure and a heat dissipation cover on the packaging board are higher in heat dissipation efficiency, so that the service life of the IC chip is prolonged, the force of pressing down a pressing type disc rubber disc is reduced, and damage is prevented.

The invention relates to a generator, in particular to an efficient high-voltage generator air path. The efficient high-voltage generator air path comprises a shell; a stator is fixed on the inner wall of the shell; a rotor is arranged inside the stator; the rotor is fixed with one end of a first rotating shaft; the other end of the first rotating shaft penetrates through the end part of the shelland is fixed with a driving wheel; the other end of the shell is provided with a dust filter net; the dust filter net is fixed with a mounting plate by a connecting rod; a placing hole is opened in the mounting plate; the rear part of the inner wall of the placing hole is fixed with a flange; an axial flow fan is placed inside the placing hole; a pulling rod passing through the side wall of the placing hole is relatively slidably connected to the mounting plate; a limiting block is fixed to the end part of the pulling rod; a mounting block is fixed to the pulling rod; and the mounting block is connected with the outer wall of the mounting plate through a spring. The technical scheme provided by the invention can effectively overcome the shortcomings of poor heat dissipation performance and the inability to install a cooling fan in the prior art.

The invention provides a reballing method for inverted packaging of a semiconductor integrated circuit or a discrete device. The method includes the steps that (1) metallization is conducted on the bottom of a salient point; (2) a chip is coated with a layer of tin scaling powder with the thickness being 50 micrometers; (3) a salient point welding ball is manufactured on the chip. According to the method, after the chip is manufactured, few processes are added, and a semiconductor device which is small in size, small in parasitic parameter, excellent in performance and capable of being directly arranged on a PCB in an inverted mode is manufactured. According to the method, a traditional packaging technology is greatly simplified, the production cost is reduced, and the production efficiency is improved. The added processes have the advantages of being simple in technology, low in curing temperature (about 230 DEG C) and capable of conducting batch processing conveniently.

The invention discloses an integrated circuit thermal management system based on graphene material, which comprises a power supply system, at least one switching device, at least one temperature control unit and at least one current controller. A temperature control unit comprise a positive electrode, a negative electrode, a plurality of P-type graphene materials and an N-type graphene material, wherein that P-type graphene material and the N-type graphene material are arranged alternately between the positive electrode and the negative electrode in turn; the positive electrode of the power supply system is connected to one end of the switching device, the other end of the switching device is connected to the positive electrode of the temperature control unit, the negative electrode of thetemperature control unit is connected to one end of the current controller, and the other end of the current controller is connected to the negative electrode of the power supply system. The invention realizes active controllable heat dissipation based on Peltier effect, realizes spatial modulation distribution of heat field under the action of switching device, and realizes modulation distribution of heat in time domain under the action of current regulator.

The invention discloses a bearingless permanent magnet slice motor. A slice rotor is coaxially arranged in a stator in a sleeving manner; a cylindrical magnetic flux collecting apparatus is coaxially arranged in the slice rotor in a sleeving manner; a first radial air gap is reserved between the magnetic flux collecting apparatus and the slice rotor; the stator consists of six same L-shaped stator iron core columns which are uniformly distributed along a circumferential direction; six radial horizontal sections form a stator salient pole; the slice rotor and the magnetic flux collecting apparatus are put in a tray opening of a slice rotor hard plastic tray; a second radial air gap is reserved between the slice rotor and the inner side surface of the opening of the slice rotor hard plastic tray; the top end of a permanent magnet is fixedly connected with the bottom surface of the slice rotor hard plastic tray while the bottom end of the permanent magnet is fixedly connected with the centre of a stator iron core magnetic yoke, and the permanent magnet is magnetized axially; the axial perpendicular sections of the six L-shaped stator iron core columns are wound with suspension force windings and torque windings; and the salient pole circular ring rotor is adopted to replace a permanent magnet rotor, so that the mechanical structure of the motor is more compact, and the power density is improved.

The invention discloses an electronic endoscope and a surgical robot. The electronic endoscope comprises an image acquisition part, a driving mechanism, a joint assembly and an outer heat conduction flexible pipe, wherein the image acquisition part comprises a housing, a light source disposed in the housing, and a connecting part disposed at one end, far away from the light source, of the housing;the joint assembly is connected with the connecting part and the driving mechanism, and the joint assembly is used for bending under the driving action of the driving mechanism to drive the image acquisition part to move; the outer heat conduction flexible pipe is connected with the housing and wraps the joint assembly so as to conduct heat generated by the light source. Good heat dissipation canbe provided for the light source of the electronic endoscope, so that the problem of light attenuation is reduced.

The disclosure relates Frame segment for a transition piece-turbine interface having a picture frame receptacle for axially receiving an aft end of a combustor transition piece. The frame segment can include an I-beam with an upper horizontal element, a lower horizontal element, and a vertical web, wherein the upper horizontal element has mounting face for fixation to a vane carrier. The vertical web has a downstream face, facing towards a first stage of a turbine when installed in a gas turbine. The vertical web includes a cooling gas duct for supplying cooling gas to the downstream face of the vertical web.

The invention relates to a pigsty, in particular to an intelligent pigsty and aims at achieving the technical purpose of providing the intelligent pigsty without delaying time of work staff and capable of keeping a suitable temperature. According to the technical scheme, the intelligent pigsty includes a rotating mechanism, a left travel switch, a left baffle, a right travel switch, a right baffle, a support, a weight sensor, a water channel, an RFID module, a water tank and the like; the rotating mechanism is provided with the left travel switch, the left baffle, the right travel switch, theright baffle and the support, the water channel is placed in the support, the weight sensor is arranged at the bottom of the interior of the support, the top of the weight sensor is in contact with the bottom of the water channel, the right side of the top of the water channel is provided with the RFID module, and the left side of the support is provided with the water tank. According to the intelligent pigsty, a second water pump can be controlled by a control module to work to suck water in the water tank into the water channel for water adding, in this way, water can be added automatically,and thus staff's time is not delayed; through the function of a temperature sensor, a suitable temperature can be kept in the pigsty.

The invention discloses a lamp, comprising a radiator, an LED, a radiator cover, a rear lamp holder device, a front lamp holder device and a light transmitting face mask. The LED is adhered to the bottom surface of the radiator; the heat generated by the LED is conducted to the bottom surface and the fin of the radiator; the radiator cover is buckled with the radiator and provided with a first ventilation hole and a second ventilation hole; air is introduced by the first ventilation hole, exchanges heat with the bottom surface and the fin of the radiator and then is guided out via the second ventilation hole; the rear lamp holder device is provided with a first groove; the front lamp holder device is provided with a second groove; the air is introduced from the first groove, exchanges heat with the bottom surface and the fin of the radiator and then is guided out through the second groove; and the light transmitting hood is buckled with the radiator and transmits the light rays generated by the LED. The lamp of the invention realizes good heat radiation by using the radiator and the radiator cover; various LEDs such as a monocrystal LED chip or a polycrystalline integrated LED chip are adhered to the bottom surface of the flat radiator, so that the invention realizes good generality.

The invention discloses a new energy battery pack with a water cooling unit module. The battery pack comprises a battery pack shell, a protective shell, a water-cooled tube, a connecting pipe, a scavenging valve and a battery pack, the battery pack shell is mounted in the protective shell; a transverse shaft is horizontally and rotationally installed on the right side wall of the protective shell.A gear is mounted at the right end of the transverse shaft; the gear is meshed with tooth blocks; the tooth blocks are fixed to the lower end face of a pendulum bob plate at equal angles. The pendulum bob plate is of an arc-shaped structure; the pendulum bob plate is mounted at the bottom end of a fixed rod; the top end of the fixed rod is fixedly connected with the right end of a rotating shaft;the fixed rod, the pendulum bob plate and the gear are all located in a sealing shell. The sealing shell is fixed to the right side of the protective shell, the inertia acting force in the automobilerunning process is used for driving a heat dissipation structure in the battery pack to operate correspondingly, efficient heat dissipation can be conducted on the water cooling pipe and the batterypack in the battery pack without adding extra power equipment, the cost is greatly reduced, and the cooling effect is better.