101results about How to "Facilitate mass production" patented technology

The invention discloses a kind of array sensor for gas and the preparing method. The sensor uses the aurum, platinum or argentum as electrode; the RuO2, MoSi2, W or Pt is as heating membrane material; the random one or several kinds of the ZnO, SnO2 or Fe2O, or ZnO, SnO2 or Fe2O3 and Pt0.1wt%-3wt%, Pd0.1wt%-3wt%, Ni1wt%-30wt%, TiO21wt%-30wt%, WO31wt%-40wt%, Co2O3 1wt%-15wt%, V2O51wt%-30wt%, Al2O31wt%-20wt%, MnO21wt%-30wt% is as the sensing layer material. It gets the gas sensing array on the alumina, aluminium nitride or silicon base sheet with anti high temperature, electric insulating and heat conducting by the screen printing technology. The gas sensing array is fixed on the basal seat by the axis to form the gas sensing array sensor by ultrasonic hot press welding electrode leg wire. The sensor has the low production cost, low power cost, good mechanism stability. Each unit has the good gas sensing character and the process is proper for the big batch production.

The invention relates to a beam and groove combined stepped island film micropressure sensor chip and a manufacturing method thereof. The chip comprises a thin film in the middle of a substrate, four shallow grooves are formed along the edges of the upper portion of the thin film, four embossment beams are arranged between the ends of the adjacent shallow grooves and connected with the substrate, and the upper surfaces of the embossment beams, the upper surface of the thin film and the bottom faces of the shallow grooves form a beam and groove combined stepped thin film structure; four piezoresistor strips are arranged on the four embossment beams and connected through metal leads into semi-open-loop Wheatstone bridges, and the output ends of the bridges are connected with bonding pads; four bumps are evenly distributed along the edges of the lower portion of the thin film and connected with the substrate; four mass blocks are spaced from the bumps, and the bumps are connected to the thin film. The manufacturing method includes the steps that the piezoresistor strips are made of SOI silicon wafers in an oxidized mode at high temperature, and an Ohmic contact region is obtained to manufacture the metal leads and the bonding pads; then the four embossment beams and the shallow grooves are manufactured, and the back face of the substrate and anti-overload glass are bonded. The beam and groove combined stepped island film micropressure sensor chip has the advantages of being high in sensitivity and linearity and the like.

The present invention discloses a perovskite thin film as well as a preparation method and application thereof. The method comprises: taking lead acetate as a lead source and processing by a one-step solution method; and taking a mixed solution of the lead acetate and CH3NH3I as a precursor solution and coating the solution on a hole transporting layer to obtain the perovskite thin film. The obtained thin film can be used as the perovskite thin film which can be used in a perovskite solar battery. The lead acetate is used as a precursor of perovskite so that the flatness of a film surface is effectively improved and the compounding of carriers on an active layer interface is greatly reduced; and a solvent-resisting performance of materials is improved and the performance of the device is remarkably improved. The method also has the advantages of simple preparation process, low cost and good experiment repeatability and the like, and is suitable for large-scale industrial production.

The invention discloses a curved screen and flat panel display module full-lamination method, which comprises the following steps: designing and manufacturing a frame, fixing a frame-pasting curved screen and the frame through a positioning fixture, injecting liquid optical cement, putting a flat panel liquid crystal display module, fixing through the positioning fixture to form an integrated screen, putting the positioning fixture and the integrated screen into a heating device and carrying out heating curing, removing the positioning fixture and the integrated screen out of the heating device after completing the above steps, dismounting the positioning fixture, removing spilled cement residue at the edge of the frame and completing lamination. The invention also discloses a curved screen and flat panel display module full-laminated integrated screen prepared according to the above processing method. By arranging the frame between the curved screen and the flat panel liquid crystal display module, lamination of a curved-surface product is converted into traditional flat-panel type lamination. The operation steps are simple. Investment in equipment and fixture is less. Batch production is convenient to realize.

The invention relates to an orally disintegrating tablet which is prepared by the Chinese medicinal materials of tangerine peel, common yam rhizome, heterophylly falsestarwort root, stir-fried malt and hawthorn fruit; the invention takes the Chinese medicinal materials as raw materials and uses certain proportion of pharmaceutically excipients for the preparation; the invention is prepared by the raw materials with the following weight percentages: 5 to 20 percent traditional Chinese medicine extract, 40 to 80 percent filler, 5 to 30 disintegrating agent, 0.5 to 5 percent flavoring agent, 0.5 to 3 percent glidant and 0.3 to 2 percent lubricant; the disintegrating tablet can be disintegrated in the oral cavity rapidly, the taste is good, so the invention is especially applicable to the elderly people, children and the patients with the difficulty in swallowing for administration.

The inulin extracting process includes the following steps: washing, crushing, water leaching, filtering in a primary filter, a tubular filter and an ultrafiltering and decolorizing machine successively, nanometer filtering to concentrate, decolorizing with active carbon, secondary filtering, electrodialysis, evaporating concentration and spray drying. The process has high inulin product purity and yield, short extracting period, simple operation and low production cost.

The invention relates to composite material which is used to produce positive pole of second battery and the produced battery. The composite material which is used to produce positive pole of second battery is powder and with olivine structure or NASICON structure, the powder of composite material is primary particle with 10-500 nanometer, and the secondary particle with 1 mm consists of the primary particle. The second battery includes negative pole, electrolyte, and positive pole produced by composite material, and composite material is powder and with olivine structure or NASICON structure, the powder of composite material is primary particle with 10-500 nanometer, and the secondary particle with 1 mm consists of the primary particle. The invention can improve the surface area of material, and increase the capacity, and easy to be produced, and the formed battery has high rate of charge and discharge, high capacity, and reduce the overcharge or overdischarge to increase the battery life.

The invention provides a motor comprising an HALBACH array. The motor comprises stator and mover assemblies; a plurality of teeth and groove structures are formed in opposite surfaces of the stator and the mover; and the motor also comprises a plurality of HALBACH array permanent magnet units distributed in the multiple grooves of the stator and/or the mover. The invention also provides corresponding equipment. By adoption of the motor provided by the invention, the multiple HALBACH array permanent magnet units are defined in the grooves of the stator and/or the mover respectively to form the simple HALBACH array arrangement, so that the torque density of the motor can be improved while batch production of the permanent magnets can be facilitated, and production cost can be lowered; and in addition, the motor is convenient to install and the permanent magnets are not damaged easily.

The invention discloses a preparation method for near-stoichiometric lithium tantalite crystal, which comprises the following steps: prepare the base material according to the molar ratio proportion of Li2CO3:Ta2O5=48-50:52-50; then add an alkali metal except Li2O as the flux; after grinding and mixing, heat to fully decompose and release CO2; calcine the mixture and get lithium tantalite polycrystalline charge; then press the polycrystalline charge, put in a crucible, heat to the fusion state, keep the temperature and then use the czochralski preparation method for the near-stoichiometric lithium tantalite crystal. The preparation method for near-stoichiometric lithium tantalite crystal has the advantages that: the process of preparing the near-stoichiometric lithium tantalite crystal is made simpler; the near-stoichiometric lithium tantalite crystal with bigger size and good uniformity is made easier to prepare; industrial mass production can be realized and the cost can be reduced.

The invention belongs to the field of pesticides, relates to a technology for preparing agricultural fungicide intermediates and particularly relates to a technology for preparing boscalid intermediate 2-(4-chlorophenyl) aniline. The technology comprises the following steps of by adopting alcohol or formamide solvent, in an alkaline reagent and a KI system, under the action of Pd catalyst, carrying out Suzuki coupling reaction on o-chloronitrobenzene and p-chlorophenylboronic acid as raw materials to generate 2-(4-chlorophenyl)nitrobenzene, simply filtering the reaction system and directly carrying out catalytic hydrogenation on the reaction system to obtain the product. By the technology, the problems of high price of the raw materials, low yield, complex after-treatment and harsh reaction conditions of the traditional synthesis process of the boscalid intermediate are solved, the simple reaction is achieved in a true sense, the manufacturing cost is decreased, the content and yield of the product are increased and the technology is more conducive to industrial production.

The invention relates to an iron-based catalyst for synthesizing a low-carbon olefin through carbon dioxide hydrogenation and a preparation method and application thereof. The direct hydrogenation conversion of carbon dioxide to the low-carbon olefin on a single catalyst is mainly realized, the high space-time yield is achieved, and the methane selectivity is low. The catalyst comprises the following components: a) iron element or an oxide thereof; b) one or more of oxides of lithium, sodium, potassium, rubidium and cesium; and c) one or more of oxides of manganese, cerium, zinc and copper. The catalyst can directly convert CO2 into the low-carbon olefin, the conversion rate of CO2 can reach to be more than 40%, the methane selectivity is less than 10%, the olefin-alkyl ratio reaches to be13, and the space-time yield of the low-carbon olefin can reach to be 380 mg/(g<cat>.h).

The invention discloses a sapphire reinforcing method. The method comprises the following steps: 1) a sapphire lens is placed in an annealing furnace in a hanging manner through a clamp, and then the annealing furnace is filled with inert gas; 2) stepped heating is performed on the sapphire lens in the annealing furnace, a first heating speed ratio is adopted to heat so as to reach a first temperature, and then a second heating speed ratio is adopted to heat so as to reach a second temperature; 3) heat preservation is performed in a second temperature area on the sapphire lens in the annealing furnace; 4) after temperature reduction is performed on the sapphire lens in the annealing furnace, the furnace is opened for natural cooling. For the sapphire lens treated by the method disclosed by the invention, the strength of sapphire in 4PB strength test can be effectively improved by 60%; the strength of the sapphire in ROR strength test can be improved by 68.9%, in addition, the operation is simple and convenient, the course is easy to control, and the method disclosed by the invention is beneficial for realizing large-scale production.

The invention discloses a digital correction method for a current/frequency conversion circuit. The digital correction method includes a first step of measuring and acquiring positive and negative scale factors and the temperature of a working environment of the current/frequency conversion circuit; a second step of determining second-order relationship of the positive and negative scale factors and the temperature of the working environment; a third step of determining secondary correction relationship of a forward channel and a reverse channel of the conversion circuit relative to the temperature of the working environment according to the second-order relationship of the positive and negative scale factors and the temperature of the working environment; and a fourth step of correcting output of the conversion circuit by the aid of the correction relationship. The digital correction method for the current/frequency conversion circuit solves problems that a hardware analog correction method for a current/frequency conversion circuit is complicated in debugging, a circuit board is overlarge in size, and correction precision is low.

The invention provides a steel pipe cutting equipment, including a base plate, a truss, a hydraulic cylinder, a cutting knife and a support base for supporting the steel pipe to be processed; the hydraulic cylinder is placed on the upper end of the truss, and the cutting knife is fixed to the hydraulic The bottom end of the cylinder, the support seat is placed directly below the cutting knife and fixed on the bottom plate, the hydraulic cylinder can drive the cutting knife to contact or stay away from the support seat; the two ends of the cutting knife are respectively provided with steel pipes As for the pressing mechanism, the two ends of the supporting seat are provided with fixing seats, and the fixing seats are fixedly connected to the bottom plate, and the vertical center of the pressing mechanism and the fixing seat coincide with each other. The beneficial effects created by the invention are: convenient operation and manpower saving, improved cutting precision of steel pipes, and reduced labor intensity of operators, which is beneficial to batch processing and production.

The invention provides a device for workpiece detection, the detection mechanism includes a side support plate, a driving device, a slider, a second slide rail and a fixing plate; the side support plate is fixed on one side of the workbench , the driving device is fixed on the side support plate, the driving device is connected with the slider, and can drive the slider to move up and down, and the slider is erected on the second slide rail; the fixing plate is fixed vertically Connected to the slider, the dial indicator is vertically arranged on the fixed plate. The beneficial effects created by the invention are: convenient operation and manpower saving, improved detection efficiency and guaranteed detection accuracy.

The invention discloses a piezoresistive pressure sensor chip with a stress concentration structure and a preparation method thereof. The sensor chip is composed of a shallow groove film structure layer and a back cavity structure layer. The shallow groove thin film structure is divided into a shallow groove structure and a thin film structure. The shallow groove structure is composed of four shallow grooves distributed along the edge of the thin film and square shallow grooves distributed in the thin film, stress is concentrated between the ends of the two shallow groove structures, the distributed square shallow grooves further concentrate and adjust stress distribution, and the sensitivity of the sensor is improved. Four piezoresistor strips are evenly arranged at the stress concentration position, the four piezoresistor strips are connected through metal leads to form a semi-open-loop Wheatstone full bridge, and the bridge is connected with five bonding pads arranged on a substrateto achieve input and output of electric signals. The back cavity consists of a peninsula and an island, and a gap between the peninsula and the island corresponds to the end parts of the two shallowgroove structures. The peninsula and the island improve the stress concentration effect, and improve the rigidity of the sensor, so that the linearity of the sensor is improved.

The invention discloses an LED supporting frame, a manufacturing method of the LED supporting frame and a double-material belt LED supporting frame module. The LED supporting frame comprises a plastic seat, an aluminum adhering sheet and a copper guide pin, wherein the aluminum adhering sheet and the copper guide pin are arranged on the plastic seat. A packaging cavity is formed in the plastic seat. The aluminum adhering sheet is provided with a crystal solidification part. The surface of the crystal solidification part is exposed in the packaging cavity and the bottom face of the aluminum adhering sheet is exposed out of the bottom face of the plastic seat. The copper guide pin comprises a welding wire part and a welding part which are integrally connected and formed. The welding wire part is exposed in the packaging cavity. The welding part is exposed on the outer side of the plastic seat. The double-material belt LED supporting frame module comprises an aluminum plate supporting frame, a copper plate supporting frame and multiple plastic seats. As the adhering sheet made of aluminum and the guide pin made of copper are adopted, under the condition that the heat dissipating effect is not affected, the sulfuration problem of a crystal solidification welding wire zone is effectively solved, the quality of a product is improved, the reflecting rate of the product is improved, the brightness of the product is improved, the wattage is improved to 14 W from 7 W in the past and the use performance of the product is better.

The invention discloses a preparation method of low density and high strength foam glass sintering at low temperature. The glass powder is prepared from: by mass, SiO2 55.3-61.6%, Na2CO3 13.3-18.6%, CaCO3 9.0-11.6%, Al2O3 5-5.7%, MgCO3 3.56-5.8%, K2CO3 0.73-3.7%, Fe2O3 0.51-1.2%, BaCO3 0.53-1.1%, Na2SO4 0.47-0.9%, SrO 0.05-0.3%. The foam glass is prepared from glass powder, lithium carbonate using as a foaming agent 4-8 m%, and foam stabilizer 0-2 m% or foaming promoter 0-2 m%. The foam glass is prepared by sintering at low temperature of 725-775 DEG C and using a practical powder sintering method having convenient operation. The foam glass prepared by the invention has uniform pores, low density, and good mechanical properties, the properties such as porosity and water absorption can all reach the use standard, and the color is pure which is convenient to dye. In addition, the method can reduce the production cost, and can substantially improve the production efficiency.

The invention discloses an anti-Vibrio anguillarum yolk antibody, and the preparation method, the titer detection method and the application thereof. The invention is characterized in that the anti-Vibrio anguillarum yolk antibody is obtained by immunizing laying hens with Vibrio anguillarum as antigen, collecting highly-immunized eggs and performing separation and purification of yolk of the immunized eggs. The method comprises a step of preparing a Vibrio anguillarum antigen and inactivating the antigen, a step of performing basic immunization once in laying hens and secondary immunization for two to three times and collecting eggs, and a step of performing centrifugal separation, salting-out and dialysis to obtain the final product. The titer of the anti-Vibrio anguillarum yolk antibody is determined by indirect enzyme-linked immunosorbent assay. The anti-Vibrio anguillarum yolk antibody can be used for prevention and treatment of diseases caused by Vibrio anguillarum infection and can also be used for development of Vibrio anguillarum test kits and immunoreaction and diagnosis in immunology. The invention has the advantages that the yolk antibody is higher in purity and has a significant inhibitory effect on Vibrio anguillarum; the extraction of highly-immunized yolk is cost-efficient and convenient, and is adapted to low-cost and mass production; and the preparation method is simple and feasible.

The invention discloses a large-scale ball mill lining board and a preparation method thereof, and belongs to the technical field of wear-resistant materials. The method comprises the following steps: firstly, mixing, heating and fusing steel scraps, a carburetant, ferrochrome, nitrided ferrochrome, ferroniobium, ferroboron, ferromanganese and ferrosilicon in an electric furnace; when the temperature of molten steel reaches 1580-1600 DEG C, adding aluminum, and deoxidizing; adjusting the chemical components of the molten steel in the furnace and the mass fractions of the chemical components to be 0.70%-0.85% of C, 1.8%-2.0% of Cr, 0.05%-0.09% of N, 0.12%-0.18% of Nb, 0.6%-1.0% of Mn, 0.25%-0.60% of Si, 0.004%-0.008% of B, 0.05%-0.08% of Al, less than 0.04% of S, less than 0.05% of P and the balance of Fe and inevitable race impurity elements; and carrying out microalloying treatment on the molten steel, casting a lining board, and carrying out thermal treatment on the lining board. The large-scale ball mill lining board has the characteristics of high hardness, good abrasive resistance and the like, and has a good effect on popularization and application.

The invention discloses an automatic cooking machine and a cooking method thereof. The automatic cooking machine comprises a storage device, a first feeding component, a cooking device, a second feeding component and a third feeding component, wherein a storage chamber for containing food materials is arranged on a discharging box, and a first guide mechanism and a mechanical claw are arranged onthe first feeding component; the cooking device comprises a cooking table and a cooking spoon; the second feeding component comprises a second guide mechanism and a sliding block arranged on the second guide mechanism; the third feeding component comprises a material conveying belt and a material box feeding mechanism. The cooking machine is novel in structure, and the automatic technology in industrial production is applied to daily life; the production line production process of material taking, cooking and noodle discharging is achieved through a guide rail and the material conveying conveyor belt, and the cooking efficiency is greatly improved; the cooking machine is compact in structure, the space utilization rate is greatly reduced, the production cost is reduced, mass production ofthe cooking machine is facilitated, and for restaurants, the labor cost can be reduced and the production efficiency is improved.

The invention discloses a cross beam film stress concentration micro-pressure sensor chip and a preparation method thereof. The sensor chip comprises a pressure-bearing film, a silicon substrate, a piezoresistor strip, a metal lead, an anti-overload glass substrate and the like. According to the specific structure, the back face of a silicon substrate is etched to form a pressure-bearing film and a peninsular and island structure, and four diamond-shaped areas are etched on the front face of the silicon substrate to form a cross beam. Stress concentration areas are formed on the front face of the chip corresponding to gaps between islands adjacent to a chip back cavity and between the islands and peninsula, the four piezoresistor strips are arranged on the stress concentration areas, and the piezoresistor strips are connected to form a Wheatstone bridge through heavily-doped ohmic contact areas, metal leads and metal bonding pads. The existence of the cross beam can further improve the stress concentration effect at the piezoresistor strip.

The invention discloses a technique method for transferring a film by utilizing a sacrificial layer. The specific technique method comprises the following steps: a sacrificial layer is firstly coated on the substrate of a microbridge array, then the microbridge array is prepared on the sacrificial layer, after that, a reading circuit and the microbridge array are reversed and inter-connected, finally, the sacrificial layer is removed and the substrate of the microbridge array is separated automatically. The method can avoid the chip protection and end point monitoring problem during the process of removing the substrate of the microbridge array, and can realize the large-scale transfer of the microbridge array in a rapid and efficient way.

The invention discloses a graphene-based waveguide integrated multimode electro-optic modulator and a manufacturing method thereof. The modulator comprises a first graphene nanoribbon layer, a secondgraphene nanoribbon layer, an insulator cladding, a multimode ridge waveguide, a first electrode pair, a second electrode pair, a third electrode pair, an insulating layer and a substrate layer, wherein the multimode ridge waveguide supports two transverse electric modes (TE), that is, a TE0 mode and a TE1 mode are simultaneously transmitted; the first graphene nanoribbon layer and the second graphene nanoribbon layer are integrated above the multimode ridge waveguide; the insulator cladding is used to achieve electrical isolation of the multimode ridge waveguide from the first graphene nanoribbon layer and the second graphene nanoribbon layer; the first electrode pair is connected to the first graphene nanoribbon layer, the second electrode pair is connected to the second graphene nanoribbon layer, and the third electrode pair is coupled to the multimode ridge waveguide for providing a back gate voltage to the graphene.

The invention discloses a capsule polishing sorter facilitating removal of dust and waste. The capsule polishing sorter comprises a machine body base, a hydraulic extension rod, a storage cylinder, a hopper, a connecting ring, a motor, a rotating rail, a soft hair polishing layer, a polishing cylinder, a baffle plate, a dust filter screen, a negative-pressure fan, a dust falling box, an unqualified capsule discharge port, a qualified capsule discharge port, a sorting cylinder and a rotating shaft support rod, wherein the storage cylinder is fixed on the machine body base through the hydraulic extension rod; the hopper is fixed on the storage cylinder; the polishing cylinder is connected with the storage cylinder and the sorting cylinder through the connecting ring; the motor is fixed on the storage cylinder, and is engaged with the rotating rail through a gear; the soft hair polishing layer is fixed on the inner wall of the polishing cylinder; the baffle plate, the dust filter screen and the negative-pressure fan are fixed on the inner wall of the sorting cylinder; and the capsule polishing sorter can synchronously finish the polishing and the sorting of capsules, and facilitates removal of the waste and the dust.

The invention belongs to the technical field of lard oil processes and in particular relates to a method for making low-temperature refined pickled lard oil. The method comprises the following steps:selecting raw materials, trimming and cleaning, cutting into pieces, pickling, carrying out vacuum refining, separating oil from residues, filtering, filling, preserving, and the like, thereby obtaining a product. By adopting the method, the problems that in the prior art, lard oil is liable to deterioration in the production process and a product cannot be quantitatively added can be solved; withthe combination of pickling and vacuum refining, the acid value and the peroxide value of a pickled lard oil product can be remarkably reduced, the preservation time of the lard oil can be effectively prolonged, and meanwhile, quantitative packaging and addition of the pickled lard oil product can be achieved.

The invention provides a monodisperse boric acid cross-linked polyvinyl alcohol embolism microsphere, the base material of the microsphere is boric acid cross-linked polyvinyl alcohol, the embolism microsphere is spherical, the particle size variation coefficient does not exceed 5%, and the particle size is 30-500 [mu]m. The invention also provides a preparation method of the embolism microsphere, which comprises the following steps: inputting an internal phase fluid into an injection tube of a microfluid device, inputting an external phase fluid into a collecting tube of the microfluid device, forming a monodisperse water-in-oil emulsion in the collecting tube, and collecting the monodisperse water-in-oil emulsion by adopting a container filled with collecting liquid, and in an alkaline environment provided by sodium hydroxide in the collected liquid, initiating a polymerization reaction of polyvinyl alcohol and boric acid in a liquid drop water phase of the monodisperse water-in-oil emulsion, and after sufficient polymerization reaction, converting the monodisperse water-in-oil emulsion into the monodisperse boric acid crosslinked polyvinyl alcohol embolism microspheres. According to the method, the monodispersity of the embolism microspheres is improved while rapid, continuous and non-toxic preparation of the embolism microspheres is realized, and the possibility of mistaken embolism is reduced.

The invention relates to a calibration method and calibration device of a multi-shaft force sensor. Decomposition of a force and torque is achieved by a loading plate, high-accuracy synergic loading of six component loads of the multi-shaft force sensor is finally achieved, and the calibration accuracy of the sensor is improved. All position gestures of the multi-shaft force sensor can be obtainedonly by seven laser displacement sensors, and the device is convenient and effective. A newly-installed multi-shaft force sensor can be rapidly adjusted to a designated reference each time when a newsensor is arranged, all installation positions of all arranged sensors can be enabled to be consistent, the calibration reference consistency is ensured, and the consistency of different batches of sensors is greatly improved. After the sensor is installed by employing the calibration method and the calibration device, the deformation of the sensor under effects of different loads can be monitored in real time during the calibration process, and the deformation is used as a technical parameter of the sensor and is provided for a user; and compared with a traditional means for estimation by afinite element theory, the parameter acquisition method has the advantages of more trueness and more accuracy.

The invention relates to a battery module block structure and particularly relates to a modular battery block structure. The modular battery block structure comprises a fixed bracket, an epoxy plate, not less than two series modules, another epoxy plate, a cooling device and another fixed bracket, which are sequentially superposed; the series modules are sequentially superposed; bus plates are arranged at two sides of each series module, a battery core is arranged in each series module; two ends of each battery core are connected with the corresponding bus plates separately; and the battery cores are connected between the series modules in series through the bus plates. The modular battery block structure is safe and reliable, the welding reliability can be ensured through ironing a battery core connection plate integrated with bus plates, the material cost and the production cost can be reduced, the weight of a battery pack is reduced, and automatic mass production and improvement of the production efficiency are conveniently achieved; and the temperature in the battery pack is reduced by using a heat pipe technology, so that the temperatures of batteries are always in a normal temperature range, the service life of power batteries is prolonged and the electrochemical properties, the energy efficiency and the security are improved.

The invention discloses a composite heating type heat treatment furnace. The composite heating type heat treatment furnace comprises an induction coil arranged on the outer side of a furnace body andused for sensing a heated material and an electrode pair arranged in the furnace body as a secondary heating element, and the induction coil arranged at the outermost layer of a graphitizing furnace is used as a furnace shell. According to the composite heating type heat treatment furnace, by combining induction heating and electrode pair direct current heating, the heating effect is obviously improved, and meanwhile, the uniformity degree of material heating is improved.