55results about How to "High heating power" patented technology

The invention discloses a cooling system and method of an airborne heating element based on air expansion refrigeration, and belongs to the field of airborne equipment cooling. The cooling system comprises a high heat-flow heating element spray cooling circulation subsystem, an air expansion refrigeration circulation subsystem and a regenerator (7), wherein the high heat-flow heating element spray cooling circulation subsystem comprises a buffer tank (8), a circulation pump (9), a filter (10), a flow regulating valve (11), a spray chamber (14) and a bypass valve (15); the air expansion refrigeration circulation subsystem comprises a primary heat exchanger (2), a secondary heat exchanger (4), a water separator (5), a turbine (6) and a fan (16). The system can achieve rapid cooling of high heat-flow heating element, and achieve the purpose of circulation cooling for multiple times through the regenerator; an intermediate regenerator structure makes full use of the characteristics of large working time intervals of the heating element and large phase change latent heat of phase change materials, greatly reduces the volume of system equipment, and meets the requirements of airborne equipment.

The invention discloses an electronic cigarette which comprises an atomizer and a cigarette holder, wherein the atomizer is used for atomizing tobacco tar, and the cigarette holder is connected with the atomizer. The atomizer comprises a controller, a coil and a magnetic metal heater, wherein the controller is used for transforming the voltage of a battery into high-frequency voltage, the coil is electrically connected with the controller, and the magnetic metal heater is inserted into a tar storage can for storing the tobacco. When the controller connects the battery, the coil generates high-frequency current and a high-speed changing magnetic field, and the magnetic metal heater generates eddy current in the magnetic field, emits heat and leads out the tobacco tar from the cigarette holder after atomizing the tobacco tar, so that the atomized tobacco tar is absorbed by a user. The invention further discloses an electromagnetic eddy current heating atomizer. The tobacco tar is directly heated by eddy current heating, heat conduction and heat loss are omitted, the atomizer is high in heat efficiency, rapid and uniform in heating, fine in tobacco tar atomizing effect, fine in taste, high in heating power, not easy to damage and long in service life.

The invention discloses a cooling system and method of airborne heating elements based on evaporative refrigeration, and belongs to the field of cooling airborne equipment. The cooling system comprises a spray cooling cycle subsystem of high heat-flow heating elements, an evaporative refrigeration cycle subsystem, and a cold accumulator (5) for connecting the spray cooling cycle subsystem and the evaporative refrigeration cycle subsystem, wherein the spray cooling cycle subsystem of high heat-flow heating elements comprises a buffer tank (6), a circulating pump (7), a filter (8), a flow regulating valve (9), a spray cavity (12) and a bypass valve (13); the evaporative refrigeration cycle subsystem comprises a condenser (1), a heat regenerator (3), an expansion valve (4) and a compressor (14). Through adoption of the cooling system, the rapid heat dissipation of the high heat-flow heating elements can be realized, and the purpose of repeated circular heat dissipation is achieved through the cold accumulator; besides, the cold accumulator is arranged in the middle, the working time intervals of the heating elements and the characteristic of high latent heat of phase-change materials are fully utilized, so that the volume of the equipment of the system is greatly reduced, and the requirements of airborne equipment are satisfied.

The invention discloses a sleet melting method suitable for a power transmission line with multiple bundled conductors. The method comprises the following steps: (1). 2-4 sleet melting switches controlled by an electric operating mechanism are arranged at the connection places between a transformer station or a converter station and the power transmission line with the multiple bundled conductors; (2). suspension string insulation, tension string insulation, mid span and jumper insulation are adopted at the power transmission line side to insulate all sub-conductors of the bundle conductors; (3). when the conductors are covered by ice, one or more sleet melting switches are switched off to disconnect the bundled conductors communicated with the sleet melting switches, thus improving the current density of the communicated multiple bundled conductors and improving the calorific value of the communicated conductors to melt ice; and (4). the step (3) is repeated in the same manner to melt ice covering the bundled conductors. By the method, the sleet melting device has the advantages of simple structure, high reliability, and low investment cost; the normal operation mode of the power transmission line is switched to the sleet melting mode in a simple, safe and reliable manner, which has rare impact on the normal operation of a power grid.

The invention discloses a method for calculating bituminous pavement heating power control in a hot in place recycling process, and aims at providing reliable basis for the bituminous pavement heating power control in the hot in place recycling process through researching the influences, on the bituminous pavement temperature fields, of heating power. An adopted technical scheme is that the method comprises the following steps: 1) establishing a bituminous pavement unsteady state heat conduction model; 2) establishing and simplifying a bituminous pavement unsteady state heat conduction equation; 3) solving the bituminous pavement unsteady state heat conduction equation; 4) simulating bituminous pavement unsteady state heat conduction. According to the method, the relationship between the heating power and the temperature rising characteristics, heating times and thermal power of bituminous mixtures in the bituminous pavement heating link of a bituminous pavement hot in place recycling process is deeply researched on the basis of a heat transfer theory, so as to provide references for the bituminous pavement heating power control.

The invention discloses a water-based slurry for a graphene far infrared planar heating element. The water-based slurry for the graphene far infrared planar heating element is prepared from the raw materials in parts by weight: 40-60 parts of water-soluable resin, 40-60 parts of graphene, 20-30 parts of graphite, 20-30 parts of conductive carbon powder, 10-16 parts of nano ATO water-based dispersing agents, 10-16 parts of metal mixture, 3-5 parts of water-based thickening agents, 5-9 parts of water-based crosslinking coupling agents, 3-5 parts of anti-sinking agents, 3-5 parts of deforaming agents, 1-3 parts of flatting agents, 1-3 parts of adhesion promoters and 10-20 parts of deionized water. The water-based slurry for the graphene far infrared planar heating element can enable the comprehensive performance of the water-based heating slurry to be good, further can enable a planar heating element coating to have the advantages of good film formation effect, high bonding force, elasticity, difficult fracturing of the coating and the like, the resistance is moderate, the heating power is large, and the conductive performance of the heating slurry further can be effectively enhanced.

The invention relates to the technical field of sensor manufacturing, and discloses a coating spray head with more uniform spraying and more sufficient mixing functions. The coating spray head comprises a shell, a transmission shaft is rotatably connected to the circle center of the shell, a support plate is fixedly connected to the bottom end of the transmission shaft, a rotary drum is fixedly connected to the side surface of the support plate, telescopic rods are fixedly connected to the surface of the rotary drum, push rods are fixedly connected to the interiors of the telescopic rods, metal contacts are fixedly connected to the end parts of the push rods, resistance strips are slidably connected to the side faces of the metal contacts, and stirring rods are fixedly connected to the ends, away from the rotary drum, of the telescopic rods. The telescopic rods stretch out under the action of centrifugal force, so that the resistance of electric heating wires connected into the interior is reduced, the heating power of the electric heating wires is increased, the end parts of the telescopic rods are fixedly connected to the stirring rods so that an internal solution can be heated during stirring work, the adhesion of the coating solution is prevented, and a paint can be conveniently and smoothly sprayed out.

Disclosed is a manufacture method for a flexible large-area high-heat-power electrothermal film. The electrothermal film comprises a conductive film, a copper electrode and an insulation film protective layer. The electrothermal film is prepared by use of a carbon black / silicone rubber conductive composite material. The film has the advantages of flexibility and large area; the electrothermal film has the advantages of uniform heating and high heat power after being energized; and the electrothermal film is in the shape of a large-area film, has the advantages of large heat dissipation area and good heat-transfer property and can be fully contacted with a heated body for heat transfer. The electrotehrmal film provided by the invention can be used for indoor heating in a building and has the advantages of simple installation, relatively low initial investment, rapid heating and the like, thereby having a certain application value.

The invention relates to an intelligent far-infrared heating mattress which is characterized by comprising a mattress frame, an elastic permeable layer, a heating layer, a thermal insulation and reflection layer, a protective layer and a spring; the elastic permeable layer is fixed on the mattress frame, the heating layer is arranged under the elastic permeable layer, the thermal insulation and reflection layer is arranged under the heating layer, the protective layer is arranged under the thermal insulation and reflection layer, and the spring is arranged under the protective layer; the heating layer is formed by connecting a plurality of strip-shaped heating bodies in parallel through a lead; each of the plurality of strip-shaped heating bodies consists of a first insulating layer, a graphene heating layer, electrodes and a second insulating layer, the graphene heating layer is rectangular, the first insulating layer and the second insulating layer seal and wrap the graphene heatinglayer, the electrodes are connected with the two short sides of the graphene heating layer and are also connected with a power supply controller through the lead, and a temperature sensor is also connected with the power supply controller. The intelligent far-infrared heating mattress provided by the invention has the beneficial effects of high heating speed, high heating efficiency, energy conservation, environmental protection, lower manufacturing cost, good heat transfer effect and the like.

The invention provides a controlled and monitored width-adjusting servo system of a brushless torque motor, which is used for controlling positions of an accelerometer and a rotary table and comprises a signal processing circuit, a comparator and optocoupler isolated circuit, a triangular wave circuit, a motor drive circuit, a Hall switch, a bus control interface circuit, an I2C (Inter-IC) monitoring interface circuit, a microsyn and a brushless torque motor. An alternating-current signal output by the microsyn is proportional to an angle; and a drive motor outputs a corresponding torque by the signal processing circuit, the triangular wave circuit, the comparator and optocoupler isolated circuit and the motor drive circuit, thus avoiding loading torques and friction torques. The servo system is provided with the bus interface circuit and the I2C monitoring interface circuit, thus computer buses can be utilized to control and monitor the connection / disconnection of the system, thus realizing a bus controlling and monitoring function and remotely controlling and monitoring the system. A special motor driver is utilized in the system, thus the system has the advantages of simple design, reliability in operation and small volume. A three-phase brushless torque motor is adopted in the system, and the Hall switch is embedded into a motor body, so the volume is small and the operation is reliable.

The invention relates to an armored heating cable, which comprises a metal sheath and an inorganic insulating layer, wherein the metal sheath comprises a seamless continuous stainless steel tube or a copper tube in which the inorganic insulating layer is arranged; a heating core wire is arranged in the inorganic insulating layer; the inorganic insulating layer comprises high purity, high temperature and electrofusion crystallized magnesia; and the heating core wire comprises one or more alloy heating wires. The armored heating cable of the invention has the advantages of adoption of mica isolating coating technology to substitute the traditional inorganic insulation filling technology, the improved rate of finished products and insulativity of the cable, and the greatly shorten manufacturing time of the finished products; and the invention can basically solve the aging problem, greatly prolong the service life, has good chemical stability, good mechanical property, and twisting resistance, extruding resistance, bending resistance, pulling resistance, friction resistance and general rough handling resistance.

The invention relates to a crystalline silicon ingot heater which comprises a top heater and a lateral heater. The lateral heater comprises a lateral upper heater and a lateral lower heater, the lateral upper heater and the top heater are serially connected to form a serial connection unit, and the serial connection unit and the lateral lower heater are independently connected with a power source.The lateral heater is divided into two parts, and a part is independently connected with the power source while the other part is serially connected with the top heater, so that respective heating power can be controlled conveniently in the process of crystal growing, the lateral heater can be flexibly controlled to radiate heat to a silicon material, and crystal growing time consumption and ingot period are optimized. The invention further provides a using method of the crystalline silicon ingot heater.

The invention discloses a hot-pressing shaping heating plate for paper pulp molding production equipment. A heat conduction channel extending along the plane direction of the heating plate is integrally formed in the heating plate, and comprises a channel extension section, a channel inlet and a channel outlet; the channel extension section is connected with the channel inlet and the channel outlet, the channel inlet and the channel outlet are formed in the side face of the heating plate, and a heat conduction medium is introduced into the heat conduction channel. The invention further discloses paper pulp molding production equipment comprising the hot-pressing shaping heating plate. The hot-pressing shaping heating plate for the paper pulp molding production equipment is high in corrosion resistance and long in service life; the heat exchange area is increased, that is, the heating power of the heating plate is increased, the thermal compensation time is greatly shortened, and the production efficiency is improved; the leakage problem of the heating plate is avoided; the surface strength of the heating plate is improved, and the contact fitting degree of the mold and the heatingplate after long-time use is solved.

The invention provides an electrically-driven active heating control method and equipment, and the method comprises the steps: obtaining motor parameters of a driving motor in an electrically-driven system, determining a target excitation current according to the motor parameters and a preset motor torque algorithm, and controlling the driving motor to emit heat under the effect of the target excitation current, the output torque of the driving motor meets a preset condition, and then the three-phase current of the driving motor is determined according to the target excitation current, the preset torque current and the current rotor position. The target excitation current is controlled through the preset motor torque algorithm, and the preset torque current is controlled, so that the three-phase current is redistributed, and the output torque of the motor is zero under the condition that the target excitation current and the preset torque current are not zero; therefore, the total heating power of the motor is improved.

The invention discloses a power battery heating method and device of an electric automobile and the automobile. The method comprises the following steps that heating demand power of a power battery is obtained; power demand information of an electric automobile driving module is obtained in real time, and the current heating power of a power battery is determined according to the power demand information; when the current heating power is smaller than the heating demand power, compensation heating current is obtained according to the heating demand power and the current heating power; when the motor controller controls the driving motor to drive the electric automobile to run according to the power demand information, the motor controller regulates and controls the control current of the driving motor according to the compensation heating current, and then the high-frequency oscillation current output by the driving motor is made to be equal to the compensation heating current; and the power battery performs self-heating according to the high-frequency oscillation current output by the driving motor. On the premise that power demand information is met, the high-frequency oscillation current output by the driving motor is increased to meet the self-heating demand of the power battery, and the heating rate and efficiency are improved.

A 12kV / 4000A high-current gas-insulated metal-enclosed switchgear overcomes the problems of complex structure, large size and low heat dissipation efficiency in the prior art, and is characterized in that a heat dissipation pipe is mounted on a gas tank shell to form a natural convection heat exchange structure, a top heat dissipation box is mounted at the top of the gas tank shell, and a top heat dissipation box is mounted at the bottom of the gas tank shell; the lower end of the main bus in the gas tank shell is connected with a direct-acting three-station double-set disconnecting switch, and the lower part of the direct-acting three-station double-set disconnecting switch is connected with an arc extinguish chamber moving end flexible connector. The beneficial effects of the utility model are that through the heat dissipation structure design of a plurality of components with large heat productivity, the temperature in the air chamber is reduced through natural convection in the closed air chamber, and the problem of large-current temperature rise is solved; the conductive contact area is multiplied through the plurality of flexible connection conductors, and the through-current capability is improved; the size of a single conductive part is reduced through double sets of isolating switches of each phase, and the requirement of 12 kV / 4000 A large-current gas insulated metal-enclosed switchgear for the through-current capability is met.

The invention proposes an automatic temperature-control electric tracing band. The automatic temperature-control electric tracing band comprises a positive temperature coefficient (PTC) material core body, wherein a first main heat tracing wire core, a second main heat tracing wire core and an auxiliary heat tracing wire core are arranged in the PTC material and extend along a length direction of a cable, the first main heat tracing wire core, the second main heat tracing wire core and the auxiliary heat tracing wire core are arranged in parallel, the auxiliary heat tracing wire core is arranged between the first main heat tracing wire core and the second main heat tracing wire core, the first main heat tracing wire core is formed by twisting a first conductor and a first carbon fiber bundle, the second main heat tracing wire core is formed by twisting a second conductor and a second carbon fiber bundle, the auxiliary heat tracing wire core is formed by twisting a third conductor and a third carbon fiber bundle, an inner sheath insulation layer wraps the periphery of the PTC material core body, a waterproof and heat preservation layer wraps the periphery of the inner sheath insulation layer, a weaving shielding layer wraps the periphery of the waterproof and heat preservation layer, and an outer sheath layer wraps the periphery of the weaving shielding layer. The automatic temperature-control electric tracing band proposed by the invention is simple in structure and good in stability.

The invention relates to a resistance heating furnace which comprises a furnace body and at least one resistance heating element, wherein the resistance heating element comprises a binding post. A protective sleeve is sleeved outside the binding post, and the resistance heating element further comprises an upper lifting flange, a lifting wire hanging insulation framework, a resistance wire and lifting rods, wherein the upper lifting flange is fixed at the lower end of the protective sleeve, two lifting rod holes are formed in the columnar lifting wire hanging insulation framework, the two lifting rods are located in the two lifting rod holes respectively, the resistance wire is wound on the outer wall of the lifting wire hanging insulation framework, the lifting wire hanging insulation framework and the upper ends of the lifting rods are all fixed on the lower surface of the upper lifting flange, one end of the resistance wire is communicated with the binding post, the other end of the resistance wire is communicated with the furnace body through the lifting rods, at least one lower lifting flange is arranged on the outer wall of the furnace body, and the upper lifting flange of each resistance heating element is fixed with one lower lifting flange. According to the resistance heating furnace, each heating element is small in size and light in weight, each heating element is independently installed, maintenance is simple, large-scale lifting devices are not required, and maintenance cost is low.

The invention discloses high-conductivity self-adhesive graphene low-voltage heating slurry and a preparation method and application thereof, and belongs to the technical field of heating materials. The high-conductivity self-adhesive graphene low-voltage heating slurry is prepared from the following raw materials in parts by mass: 20-40 parts of graphene, 30-50 parts of heating carbon slurry, 1-5parts of resin, 5-15 parts of a solvent A, 10-20 parts of a dispersing agent, 5-10 parts of a water-based crosslinking coupling agent, 2-6 parts of a defoaming agent and 3-5 parts of an anti-settlingagent, wherein the graphene is prepared by utilizing a shearing stripping method. According to the method, the graphite raw material is directly subjected to high-speed shearing treatment by adoptinga shearing stripping method so that the graphite sheet layers are stripped and fall off to form graphene, and the prepared graphene is relatively low in layer number and few in defects. Besides, thegraphene low-voltage heating slurry prepared by the method only needs a low voltage of less than 36v, and is higher in low-voltage safety, good in heating stability, high in thermal conversion efficiency, longer in service life, safer and more environment-friendly.

The invention discloses a connected ceramic core. The ceramic heating element comprises a heating core formed by a ceramic heating body (1), wherein the ceramic heating body (1) is formed by connecting a left ceramic heating body (11) and a right ceramic heating body (12) in parallel; the appearance of the ceramic heating body (1) is cylindrical; wherein the left ceramic heating body (11) and theright ceramic heating body (12) are respectively provided with a vertical left circular hole (31) and a vertical right circular hole (32) which penetrate through the ceramic heating bodies, in addition, the outer wall of the ceramic heating body (1) is provided with a plurality of heating wires (2) which extend downwards along the vertical direction, and the heating wires (2) are mutually parallel. The ceramic heating bodies on the left side and the right side are connected in parallel, the resistance of the whole ceramic core used in the atomizer is reduced, the heating power is increased, the atomization amount of tobacco tar can be increased, and the smoke amount is increased.

The invention discloses a carbon fiber cable for oil well heating. The carbon fiber cable comprises an outer layer sleeve. A tensile braid layer woven of metal wires is arranged on an inner wall of the outer layer sleeve, a heat-conducting insulating layer is arranged in the tensile braid layer, three three-phase power lines shaped like a Chinese character pin are arranged in the heat-conducting insulating layer, and a carbon fiber heating cable is arranged among the three-phase power lines. Due to the fact that the carbon fiber cable has no visible light in the heating process, electric heating conversion efficiency reaches up to 98%, heating power is high, the temperature is high, the heating temperature can reach 400 DEG C, the carbon fiber cable is not oxidized when used under a high-temperature state, and a load of current of the carbon fiber cable in unit area is not changed; in addition, the heat conduction speed is in direct proportion to the surface area of a heating element, a carbon fiber core wire is formed by twisting a plurality of carbon fiber wires, the surface area of the carbon fiber core wire is far larger than that of an alloy electric heating body, so that compared with a traditional alloy electric heating body heating cable, the carbon fiber heating cable enables energy saving to be improved by over 30%, and energy saving effect is obvious.

The invention belongs to the technical field of hybrid vehicles, and discloses a control system and method for a power battery of a plug-in hybrid vehicle. The system comprises: an engine cooling loop which is provided with an engine and a radiator III; a motor cooling loop which is provided with a power motor body and a radiator III; a battery cooling loop which is provided with a power battery, a radiator III and a radiator II; a warm air loop which is provided with a radiator III, a radiator IV and a fan II; an air conditioner refrigerating circuit which is provided with a radiator II, a radiator V and an air conditioner compressor assembly, wherein the radiator V is connected with the fan II; and a passenger compartment, wherein the temperature is adjusted through the fan II. According to the system, an electric heating device of a high-voltage electric component is omitted, the power battery and the passenger compartment are heated under the condition that an engine is not started, and the system cost is reduced.

An electric heater of a low-pressure casting machine comprises an radiant tube, an electric element and an insulating frame; the electric element which is made of a flat-belt-shaped electrothermal alloy material and spirally wound around the insulating frame is reasonable in design, compact in structure, large in superficial area, high in heating power, uniform in heat radiation, reliable in operation, convenient to maintain and long in service life; the electric element which is made of an iron-chromium-aluminum-alloy material is high in electrical resistivity, small in resistance temperature coefficient, high in oxidization and corrosion resistance, long in high-temperature-resistant service life, light in weight and low in price, the material is saved, the size specification of the electric element is enlarged, surface load is reduced, and therefore the service life can be prolonged. A silicon carbide high-temperature refractory material is used for manufacturing the radiant tube, the radiant tube is high in heat conductivity, high in high-temperature intensity, resistant to abrasion, thermal shock and erosion and high in molten aluminum corrosion resistance and has satisfactory service life.

The invention relates to a magnetic-heating anti-plate device, wherein it comprises a heating tube sheathed on the oil pump rod and the magnet fixed on the inner wall of oil tube; the inner wall of heating tube has a metal tube with certain magnetic conductivity; and the neodymium iron boron magnetic steel will not degauss to prolong the service life. The invention can improve the oil flow via the magnetic function on the paraffin and the eddy heating of permanent straight generator, to reduce the pump resistance.

The invention discloses a laboratory reactor. The laboratory reactor comprises a reactor body, a stirring motor, a stirring shaft, stirring paddles, a heat insulating layer, a heating assembly, a charging opening and a discharging opening, wherein the charging opening is formed in the upside of the reactor body, and the discharging opening and a drain outlet are formed in the bottom of the reactorbody; the stirring motor is mounted on the top of the reactor body and is connected with the stirring shaft, the stirring shaft is located inside the reactor body, and the stirring paddles are mounted on the stirring shaft; the stirring paddles are arranged in parallel, end parts of the stirring paddles are connected with scrapers, and the scrapers are in contact with the internal wall of the reactor body without extruding the internal wall of the reactor body; the heat insulating layer is arranged at the outer side of the reactor body, a water inlet is formed above the heat insulating layer,a water outlet is formed below the heat insulating layer, and the heating assembly is mounted inside the heat insulating layer; the heating assembly comprises a circuit mounting plate and a heating pipe; the heating pipe comprises a PTC ceramic heating core, a metal tube, a pin, insulating ceramics, a waterproof seal and heat dissipating fins; and the heat dissipating fins are arranged at the outer side of the metal tube. According to the laboratory reactor, the reactor body can be subjected to heating, heat preserving and cooling treatment, the heating is safe, the heating effect is good, and the heating efficiency is high.

A time-controlled intermittent life test method based on junction temperature real-time correction comprises the following steps that a sample is selected for a pre-test, temperature rise time of a junction temperature variable quantity, meeting a test requirement, of a specific device under driving power is determined, and the time when the junction temperature is reduced to an initial temperature is recorded; the temperature rise time measured by the pre-test is used as a temperature rise period of a cycle period, constant driving power is continuously applied in the temperature rise period,after the temperature rise period is finished, narrow pulse excitation is used for measuring an end point junction temperature of the device, and the temperature drop time measured by the pre-test isused as the temperature drop period for cooling the device; and after the temperature drop period is finished, if the junction temperature does not reach the initial temperature, a secondary temperature drop period is continued, wherein the next cycle period is equal to the sum of the time of the temperature drop period and the time of the secondary temperature drop period of the previous cycle period. In the invention, an intermittent working state of a component can be simulated more strictly, and an intermittent life test requirement can be met more accurately.

The invention discloses a single-conductor flexible high temperature heat tracing cable and relates to the technical field of a cable, in particular to a flexible high temperature heat tracing cable. The single-conductor flexible high temperature heat tracing cable comprises an insulated conductor. A heating body, an undersheath layer, a shielding layer and an outer sheath layer are sequentially arranged outside the insulated conductor. The insulated conductor comprises silver plated copper wires. An insulating layer is coated outside the silver plated copper wires. The single-conductor flexible high temperature heat tracing cable is uniform to emit heat, has ultralow full-length temperature difference, has low temperature resistance and high heating power, and is suitable for an industrial pipeline to convey crude oil, liquid industrial chemicals and industrial water.

The invention belongs to the technical field of pure electric vehicles, and discloses a control system and method for a power battery of a pure electric vehicle. The system comprises: a motor cooling loop which is provided with a power motor body and a radiator III; a battery cooling loop is provided with a power battery, a radiator III and a radiator II; a warm air loop is provided with a radiator III, a radiator IV and a fan II; an air conditioner refrigerating circuit is provided with a radiator II, a radiator V and an air conditioner compressor assembly, and the radiator V is connected with the fan II; and a passenger compartment, wherein the temperature is adjusted through the fan II. Compared with an existing power battery control system, one high-voltage electrical component electric heating device is omitted, the power battery and the passenger compartment are heated, and the system cost is reduced.

The invention relates to the field of disinfection cabinet sterilization, in particular to a disinfection cabinet provided with a special-shaped heating pipe structure. The disinfection cabinet comprises a cabinet body and multiple heating pipes mounted on the side wall of an inner container of the cabinet body, the heating pipes are in a size nest relation, an area surrounded by the heating pipesaccounts for 50-100% of area of the side wall of the inner container, and a heat insulation plate is arranged between the heating pipes and the side wall of the inner container. The heating pipes aredistributed in the size nest relation, the area surrounded by all heating pipes accounts for a large part of the area of the rear side wall of the inner container, the heating pipes are not limited to straight pipes any more, length of the heating pipes is multiplied, heating power is increased, temperature in a cavity after electrifying is promoted to quickly go up, heating area is increased, and the circumstance that bowls and plates are heated non-uniformly due to the fact that heat is excessively centralized is avoided. In addition, the heating pipes and the side wall of the inner container are isolated through the heat insulation plate, so that heat insulation effect is realized, and peculiar smell caused by the fact that a heat insulation material in the inner container is overheated is avoided.