60results about How to "Reduce heating power" patented technology

The invention belongs to the field of aircraft anti-icing and de-icing, and particularly relates to an electric heating anti-icing and de-icing system and method based on a distributed optical fiber temperature sensor, and the system comprises the distributed optical fiber temperature sensor, a controller, and a heating assembly. The surface of the wing is divided into different subareas and numbered, and at least one heating assembly is arranged in each subarea; the distributed optical fiber temperature sensors are made of optical fibers, are pre-buried in the wing skin and pass through all the subareas, and each subarea is internally provided with at least two temperature measuring points; the distributed optical fiber temperature sensor is used for collecting temperature data of the surface of the wing and sending the temperature data to the controller; and the controller compares the temperature of each subarea with a theoretical temperature, when the temperature of each subarea is lower than the lower limit of the theoretical temperature, the heating assembly of the corresponding subarea is controlled to start heating, and when the temperature of each subarea is higher than the upper limit of the theoretical temperature, the heating assembly of the corresponding subarea is controlled to stop heating.

The invention discloses an energy-saving temperature control system of a roasting oven and a temperature control method of the energy-saving temperature control system, and relates to the technical field of cooking equipment control, and the system comprises a heating module which is used for uniformly heating the oven according to a preset temperature target in a preheating stage; the temperature acquisition module comprises a plurality of temperature sensors arranged in the oven and is used for acquiring temperature data of different positions in the oven in real time, specifically, adaptive sliding mode control is applied, and when temperature change is detected, sliding mode control makes a response by adjusting sampling frequency and filtering parameters of the sensors; according to the energy-saving temperature control system of the curing oven and the temperature control method of the energy-saving temperature control system, the problems of low baking efficiency and unstable baking quality caused by uneven temperature of a traditional oven are solved, the oven can keep stable and reliable performance in different cooking modes, the temperature and heat distribution in the oven can be automatically monitored and adjusted, and the energy-saving temperature control system of the curing oven and the temperature control method of the energy-saving temperature control system of the curing oven are suitable for popularization and application. And the operation of a user in the baking process is simpler and more convenient.

The invention discloses a passivation contact structure, a solar cell, a manufacturing method of the solar cell, a photovoltaic module and a photovoltaic system, and belongs to the technical field of solar cells. The passivation contact structure is arranged on a silicon substrate, a P-type doping layer is formed on the front surface of the silicon substrate, and the passivation contact structure comprises an N-type doping layer, a first passivation layer and a hole-shaped reverse electric leakage channel penetrating through the N-type doping layer, the first passivation layer, the silicon substrate and the P-type doping layer. A first doping layer is formed in the hole-shaped reverse electric leakage channel and connected with the P-type doping layer and the N-type doping layer, so that electrical contact between the front face and the back face can be achieved. By introducing a reverse electric leakage channel into the passivation contact structure, the reverse electric leakage capability of the solar cell can be improved, and along with the improvement of the electric leakage capability, when the solar cell is shielded at an assembly end, the reverse voltage at the two ends of the shielded solar cell can be reduced, and the heating power of the solar cell can be reduced; therefore, the purpose of controlling the hot spot risk is achieved.

The invention provides an MPS diode and a manufacturing method thereof, and relates to the technical field of semiconductors. The MPS diode comprises: an N-type epitaxial wafer; the terminal region and the active region are located on the surface of the N-type epitaxial wafer; wherein the active region comprises at least one first P column, and each first P column comprises a P-type side wall, a first dielectric layer, an ohmic contact layer and a second dielectric layer; a passivation protection layer located on the surface of the terminal area; the third dielectric layer and the first metal layer are positioned on the surface of the active region; the second metal layer is positioned on the back surface of the epitaxial wafer; wherein the third dielectric layer is in contact with the second dielectric layer, and the first metal layer is arranged around the third dielectric layer. The MPS diode and the manufacturing method thereof provided by the invention have the advantages that the device area is reduced, and the reliability and robustness of the device are improved.

The utility model discloses a uniform heating type injection molding nozzle which comprises a nozzle body and a nozzle tip arranged in the nozzle body, and further comprises a heater arranged on the nozzle body in a sleeving manner, and the heater comprises a heat conduction sleeve and a graphene heating layer wrapped on the heat conduction sleeve; the graphene heating layer is provided with a pair of first contacts which extend in the radial direction of the graphene heating layer and protrude out of a body of the graphene heating layer, and the first contacts abut against second contacts arranged on a pair of wires of an external power source to be used for heating the graphene heating layer. According to the heater, electric connection is achieved in a contact mode, disassembly and assembly are convenient, the heating mode is optimized into a surface heating mode, better heating uniformity is achieved, needed heating power is reduced, and the transverse occupied space is saved through the small wall thickness.

The invention discloses a battery baking device and a using method thereof, and relates to the technical field of battery production, the battery baking device comprises a rack, a baking oven, a vacuum pump and a control module, the baking oven is erected on the rack, the vacuum pump is fixed on the rack through a fixing plate and is communicated with the baking oven, and the control module is electrically connected with the baking oven and the vacuum pump; the drying oven is composed of an oven body, a temperature control assembly, a supporting assembly and a drying frame assembly, the temperature control assembly is arranged on the inner wall of the oven body, the supporting assembly is fixed to the inner bottom of the oven body, the drying frame assembly is erected on the supporting assembly, and the whole drying oven is of a spliced structure. Layered lap joint of different heights can be achieved, each layer can be further divided into areas of different sizes, the temperature control assembly is controlled by the control module, layered temperature control can be achieved, the drying quality is guaranteed, meanwhile, heat waste is reduced, and the cooling time is saved.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The present invention relates to the technical field of semiconductor heating plates, and specifically to a semiconductor electric heating plate and system, including a base and a semiconductor electric heating plate; a plurality of lifting slots are evenly arranged on the semiconductor electric heating plate, and the lifting slots are evenly arranged around the axis of the semiconductor electric heating plate, and the semiconductor electric heating plate is evenly divided into a plurality of electric heating parts, each electric heating part is provided with a heating wire, and the electric heating wires in each electric heating part are connected in parallel, and a support seat is provided in the lifting slot for movement in the vertical direction, and a limit block is fixedly provided on the upper part of the support seat, and the limit blocks on all the support seats constitute a groove structure for placing a workpiece, and the support seat has the lowest position in its vertical movement stroke. The present invention can prevent the workpiece from falling during the heating process, and can also ensure that the workpiece can be removed smoothly after processing.

The present invention relates to a composite welding sheet and a preparation method and application thereof. The composite welding sheet comprises a diamond-reinforced copper welding sheet, a first metal layer to a fifth metal layer sequentially arranged in a direction away from the surface of the diamond-reinforced copper welding sheet, a second metal layer and a fourth metal layer are copper layers, a third metal layer is a tin layer, and a fifth metal layer is a silver layer. The diamond-reinforced copper welding sheet is formed by mixing nano-scale copper powder, micron-scale doped modified diamond powder and titanium powder and then hot-pressing. The present invention performs doping modification on micron diamond, which can allow doped atoms to penetrate into the micron diamond lattice, improve the electrical conductivity, reduce the heating power of the welding layer, improve the thermal conductivity and thermal conductivity stability, and control the generated intermetallic compound to be the required Cu6Sn5 by controlling the thickness ratio of the second metal layer to the third metal layer and the thickness ratio of the fourth metal layer to the third metal layer, and prevent the generation of brittle Cu3Sn, thereby improving the mechanical strength and reliability of the metal-to-metal joint on the basis of achieving weldability.

The pot cover assembly comprises a cover body and an inner cover detachably fixed to the cover body, the inner cover comprises a cover plate and a sealing ring arranged on the periphery of the cover plate, the inner cover is provided with a first side and a second side, the cover plate protrudes towards the first side, and the sealing ring is arranged on the periphery of the cover plate. The sealing ring is provided with a first sealing lip located on the first side and a second sealing lip located on the second side, the inner cover has a first installation state in which the first side faces downwards and a second installation state in which the second side faces downwards, in the first installation state, the first sealing lip abuts against the pot body in a sealed mode, and in the second installation state, the second sealing lip abuts against the pot body in a sealed mode. The second sealing lip edge abuts against the pot body in a sealed mode. According to the electric cooker, the inner cover can be installed on the cover body in a positive posture and a negative posture, so that the volume of the cooking space is adjustable, a user can flexibly adjust the size of the cooking space according to different quantities of cooked food and different cooking food materials, and the pot overflowing phenomenon is effectively avoided while the heating efficiency is guaranteed.

The present invention discloses a constant temperature heating control method based on the power and temperature double closed loop of an induction cooker: comprising the following steps: S1: preset working temperature value; S2: read the actual temperature of the induction cooker panel; S3: the central processing unit determines whether the actual temperature of the induction cooker panel is greater than the preset working temperature value; S4: read the current input voltage of the induction cooker, and transmit the read voltage value to the central processing unit. The constant temperature heating control method based on the power and temperature double closed loop of an induction cooker proposed by the present invention realizes temperature control of the bottom of a pot, repeats multiple cycles of heating power adjustment and temperature feedback, continuously adjusts the temperature, makes the temperature tend to the preset temperature value, until the temperature stabilizes at the preset temperature value, and realizes precise constant temperature heating of the bottom of the pot.

The invention discloses a self-adaptive temperature control device integrating temperature measurement and temperature control. The self-adaptive temperature control device comprises a power supply module, a heating module and a control module, the power supply module is used for supplying power to the heating module and the control module; the control module is used for measuring and controlling the temperature of the heating module; the heating module is made of a PTC (Positive Temperature Coefficient) heating material; the preparation method of the PTC heating material comprises the following steps: sequentially adding the ethylene-vinyl acetate copolymer and the conductive filler into the molten phase change matrix, uniformly mixing, and carrying out compression molding to obtain the PTC heating material with high thermal cycle stability, the conductive material is a mixture of carbon nanotubes and graphite. According to the invention, the heating sheet made of the PTC heating material with good thermal cycling stability is used as a heating element, and integration of temperature measurement and temperature control is realized through the characteristic that the resistance of the PTC heating material is changed along with the temperature.

The invention relates to a dryer (1) for a textile web (5), comprising at least two vertically arranged drying chambers (2T1, 2T2), each drying chamber (2T1, 2T2) having a drum (T1, T2) with airflow channels (17T1, 17T2) arranged on both sides, and each drying chamber (2T1, 2T2) having a separate additional chamber (11T1, 11T2), the additional chamber (11T1, 11T2) has channels (13T1, 13T2, 15T1, 15T2) for supplying fresh air (12T1, 12T2) and for discharging exhaust gases (14T1, 14T2), and wherein the additional chamber (11T1, 11T2) is arranged between an end face of the associated drying chamber (2T1, 2T2) and the separate heating and fan chamber (24). The invention is characterized in that channels (13T1, 15T1) for supplying fresh air (12T1) and exhaust gases (14T1) exiting the lower drying chamber (2T1) are adjacent to the upper drying chamber (2T1) and the upper additional chamber (11T2). The invention also relates to a method for drying a textile web.

This application relates to the field of cooking overflow prevention control, and discloses a method and device for optimizing a cooking overflow prevention system based on user interaction data feedback. The method includes: acquiring overflow event information from user feedback and acquiring the overflow heating conditions corresponding to the overflow event information; determining the adjacent overflow heating conditions based on the overflow heating conditions; when the electric cooker reaches the adjacent overflow heating conditions, acquiring the steam transmittance at the top of the electric cooker through a steam extraction component; when the steam transmittance is less than a preset steam transmittance, activating the overflow prevention control program; wherein, the steam extraction component is installed on the lid of the electric cooker, and the steam extraction component is used to circulate and extract steam from the top of the electric cooker and detect the steam transmittance; the overflow prevention control program includes reducing the heating power and heating pressure of the electric cooker. This application can achieve accurate judgment and intelligent adjustment of overflow prevention control based on user interaction data.

The application discloses a urea decomposition device with a cyclone generator, which comprises a cyclone particle collector and a controller. The cyclone particle collector comprises a cyclone generator, a cyclone barrel, a urea nozzle interface located downstream of the cyclone generator, a particle collection barrel located at the lower opening of the cyclone barrel, a heating sensor unit located at the bottom of the particle collection barrel, and an air flow outlet pipe in communication with the cyclone barrel. The heating sensor unit is electrically connected with the controller. Tail gas enters the cyclone generator and generates a rotating air flow. Urea droplets sprayed from a urea nozzle enter the rotating air flow through the urea nozzle interface, rotate and decompose. Undecomposed large-particle urea droplets are separated from the main air flow and then flow into the particle collection barrel. A mixture of small-particle urea droplets, ammonia gas generated by decomposition and tail gas flows out through the air flow outlet pipe. The application reduces energy consumption, improves urea decomposition effectiveness, reduces the influence of sulfur on downstream catalysts, and filters and removes part of soot particles.

The invention discloses a laser heating device for accurately controlling the temperature of a silicon material melting zone and the diameter of a silicon core, which comprises a furnace chamber, and an induction heating coil is arranged in the furnace chamber and is used for integrally heating a master batch rod; a plurality of lasers are arranged outside the furnace chamber and are used for preheating a master batch rod, or heating the master batch rod in different areas, or heating the bottom of a drawn silicon core; a plurality of light-transmitting openings are evenly formed in the side wall of the furnace chamber, and laser beams emitted by the laser irradiate into the furnace chamber through the light-transmitting openings so as to heat the master batch bar. The invention also discloses a method for heating the master batch rod by using the laser heating device. According to the method, the temperature of the silicon material melting zone can be accurately controlled, and silicon core diameter deviation caused by non-uniform induction heating is eliminated.

The invention discloses a preparation method of an insulating hot wire and a preparation device of the insulating hot wire, and the preparation method of the insulating hot wire comprises the following steps: S1, coating the outer surface of the hot wire which is wound into a required shape with an insulating layer blank; and S2, electrifying the hot wire processed in the step S1, and directly heating the hot wire and the insulating layer blank coated on the hot wire by utilizing the heat effect of the current, so that the insulating layer blank is sintered and attached to the hot wire, and the insulating hot wire is further prepared. The insulating layer of the insulating hot wire prepared by the preparation method is not easy to fall off, the service life of the product is longer, the heating power is greatly reduced, the energy consumption is low, the process time is short, the requirement on equipment is lower, the insulating hot wire is easy to obtain, the test is convenient, the cost is low, and the yield is high.

This application discloses a temperature control method and a natural gas molecular sieve dehydration system, relating to the field of natural gas extraction. The temperature control method, applied to a natural gas molecular sieve dehydration system, includes: detecting the temperature at a first interface and a second interface of a heating element, wherein one of the first interface and the second interface is an inlet and the other is an outlet; comparing the temperature values ​​at the inlet and the outlet; during the switching from a hot-blowing sequence to a cold-blowing sequence in the molecular sieve dehydration tower of the natural gas molecular sieve dehydration system, when the temperature value at the inlet is higher than the temperature value at the outlet, controlling the heating element to reduce its power; when the temperature value at the inlet is lower than or equal to the temperature value at the outlet, controlling the heating element to perform PID control. This application can solve problems such as frequent shutdowns due to excessively high internal temperatures of the electric heater.

The present application provides an MPS diode and a method for manufacturing the same, and relates to the field of semiconductor technology. The MPS diode includes: an N-type epitaxial wafer; a terminal region and an active region located on the surface of the N-type epitaxial wafer; wherein the active region includes at least one first P column, the first P column includes a P-type sidewall, a first dielectric layer, an ohmic contact layer, and a second dielectric layer; a passivation protection layer located on the surface of the terminal region; a third dielectric layer and a first metal layer located on the surface of the active region, and a second metal layer located on the back of the epitaxial wafer; wherein the third dielectric layer contacts the second dielectric layer, and the first metal layer is arranged around the third dielectric layer. The MPS diode and the method for manufacturing the same provided by the present application have the advantages of reducing the device area and improving the reliability and robustness of the device.

The present application discloses a preparation method of a bimetallic composite plate by a Bridgman method, wherein the bimetallic composite plate is composed of a metal substrate and a cladding plate, wherein the cladding plate is obtained by sintering after granulating metal powder, and the steps include: (1) the metal substrate is corrected and leveled, and the top surface is sequentially rusted, degreased and roughened, and cleaned for use; (2) the metal powder is mixed and granulated, poured on the top surface of the metal substrate, and smoothed after vibration; (3) the metal substrate with the top surface covered with metal mixed particles is horizontally sent into a regional sintering furnace, inert gas protection is introduced, and heated to the liquefaction sintering temperature of the metal particles, the temperature zone width is 10-50cm, and the regional high temperature is gradually passed at a speed of 30-200cm / h to complete sintering; (4) cooling gas is blown to the metal substrate at the bottom of the regional sintering furnace outlet, and the bimetallic composite plate is obtained after the other side is naturally cooled. The method sets the regional temperature control and cooling crystallization mode for the preparation of the bimetallic plate, so that the bimetallic composite plate has high density, strength and material consistency.

The invention belongs to the field of tailing recovery, and particularly relates to a coupling production method for preparing an inorganic microcrystalline material from a phosphorus-containing material and recovering a phosphorus byproduct. A coupling production method for preparing an inorganic microcrystalline material from a phosphorus-containing material and recycling phosphorus byproducts comprises the following steps: feeding the phosphorus-containing material and auxiliary raw materials into an electric kiln or a yellow phosphorus furnace, and calcining at a first temperature for 2-4 hours to respectively obtain high-temperature slag slurry, ferrophosphorus byproducts and phosphorus-containing flue gas; directly mixing the high-temperature slag slurry with an inorganic microcrystalline material production auxiliary material without a cooling process, feeding into an electric rotary kiln, preserving heat for 1-3 hours at a second temperature, and uniformly mixing to obtain a mixed raw material; transferring the mixed raw material to an electric kiln smelting unit, melting for 1-2 hours at a third temperature, carrying out rolling forming or mold pouring to obtain a green body with a preset shape, and sequentially carrying out crystallization for 3-5 hours at a fourth temperature and annealing for 2-3 hours at a fifth temperature to obtain an inorganic microcrystalline material product, the phosphorus-containing flue gas is subjected to dust removal and purification and then introduced into a phosphorus recovery device, and a phosphorus product is obtained after separation and purification.

The application discloses a heat pump air conditioning system, comprising a driving module, the driving module comprising a driving circuit and a heat-conducting substrate, wherein the driving circuit is used for driving a motor in the heat pump air conditioning system, and the heat-conducting substrate is used for conducting and dissipating heat generated by the driving circuit to the surrounding environment; further comprising a heating module and a heat dissipation module, wherein the heating module is arranged close to the heat-conducting substrate or in the heat-conducting substrate; when the heating module is in a heating state, the heating module is used for raising the temperature of the heat-conducting substrate, and the heat dissipation module is arranged close to the heating module, and the heat dissipation module comprises a heat dissipation pipeline, and the heat dissipation pipeline is used for guiding refrigerant flow to dissipate heat for the driving module. The heat pump air conditioning system provided by the application forms a reasonable heat transfer path by arranging the heat dissipation module close to the heating module and arranging the heating module close to the heat-conducting substrate; on one hand, the heating module does not affect normal heat dissipation, and on the other hand, the heating module can be used for raising the temperature of the heat-conducting substrate to inhibit condensation of the driving module, and the heating power can be greatly reduced.

A method for manufacturing a high-strength steel sheet having a tensile strength of more than 1100 MPa and a yield strength of more than 700 MPa, a uniform elongation UE of at least 8.0% and a total elongation of at least 10%, made of a steel containing in percent by weight: 0.1% ≤ C ≤ 0.25%, 4.5% ≤ Mn ≤ 10%, 1% ≤ Si ≤ 3%, 0.03% ≤ Al ≤ 2.5% , the remainder being Fe and impurities resulting from the smelting, the composition being such that CMnIndex = Cx(1 + Mn / 3.5) ≤ 0.6, the method comprising the steps of annealing a rolled sheet made of said steel by soaking it at an annealing temperature TA higher than the Ac1 transformation point of the steel but less than 1000°C, cooling the annealed sheet to a quenching temperature QT between 190°C and 80°C at a cooling speed sufficient to obtain a structure just after cooling containing martensite and retained austenite, maintaining the steel sheet at an overaging temperature PT between 350°C and 500°C for an overaging time Pt of more than 5 s cooling the sheet down to the ambient temperature. Sheet obtained.

The utility model provides a novel tandem type water-cooled resonant capacitor, comprising capacitor cores and copper electrodes, the upper and lower end faces of the capacitor cores are respectively welded with one copper electrode, the whole capacitor cores are cylindrical, the number of the capacitor cores is two, and the capacitor cores comprise a first copper foil, a second copper foil, a polypropylene optical film and a metallized polypropylene film. The first copper foil and the second copper foil are used as extraction electrodes, the metallized layer of the metallized polypropylene film is used as an intermediate electrode, the two layers of electrodes are separated by the metallized film, a polypropylene medium is arranged in a gap between the first copper foil and the second copper foil, and the capacitor core is formed by winding the copper foil, the polypropylene optical film and the metallized polypropylene film around the hard core rod. Spraying metal layers at two ends, welding the core and the copper electrodes together by using low-temperature soldering tin, and encapsulating a sealing material around the core; the copper electrode is provided with six water through holes, and the six holes are communicated through a connecting pipe to conduct internal water circulation. The power output and reliability of the capacitor are greatly improved, and the service life of the capacitor is greatly prolonged.

This invention relates to a wide-width high-temperature carbonization furnace, belonging to the technical field of carbon fiber production equipment. The furnace chamber of this invention has an arched top plate, and the connection between the arched top plate and the side plates is a sliding groove engagement. The furnace body contains an ash accumulation chamber, a graphite scraper capable of completely covering the ash accumulation chamber, and a graphite scraper driving mechanism. The ash accumulation chamber is connected to injection and suction ports located on both sides of the furnace body. The arched top plate of this invention, which is slidably supported by the side plates, provides strong structural stability. Furthermore, the movable graphite scraper and ash accumulation chamber within the furnace allow for automatic cleaning of the furnace without shutting down the production line.

The heating device comprises a cooling liquid heating box, a heating box and a heating assembly which are sequentially connected, and a fin evaporator, a heating motor and a heater used for heating cooling liquid are arranged in the cooling liquid heating box; the heating box comprises a first circulating pipeline which is connected with the heating assembly and provides heat energy to the heating assembly, the heater is connected with the heating motor, and the fin evaporator is connected with the heating box through an evaporation pipeline so as to provide heat energy to the first circulating pipeline; the heating assembly comprises a heat exchanger, a fan and a second circulating pipeline, the second circulating pipeline is connected with the first circulating pipeline and the heat exchanger, and the heat exchanger is connected with the fan; heat energy is converted into warm air and warm air through the heating assembly to be supplied to the interior of the touring car, heating of the interior of the touring car is achieved, and the whole device is low in heating power and low in consumption.

The utility model provides a photovoltaic electric heating floor system which comprises a floor heating structure and an energy supply structure. The energy supply structure is electrically connected with the floor heating structure; the floor heating structure comprises a floor, a heat conduction layer, a heating layer and a heat reflection layer which are sequentially arranged in an abutting mode from top to bottom. The energy supply structure comprises photovoltaic glass and a storage battery, the output end of the photovoltaic glass is electrically connected with the input end of the storage battery, and the output end of the storage battery is electrically connected with the heating layer and the heat reflection layer. The solar water heater is simple and reasonable in structure, strong in integrity, lower in energy consumption under the same temperature rise, lower in cost, environment-friendly, energy-saving, small in size, light and thin in structure and easy to transport, and the temperature of 40 DEG C is generated on the surface under the low-power heating condition and radiates to the surrounding environment; far infrared wave heat transfer is beneficial to human health; the energy consumption of photovoltaic glass power generation is cleaner, the safety and the environmental protection property are improved, the intelligent temperature control system is combined to adapt to temperature heat supply in different seasons and regions, and the heat supply efficiency of remote regions is effectively improved.

This invention discloses a battery baking device and its usage method, relating to the field of battery production technology. It includes a frame, an oven, a vacuum pump, and a control module. The oven is mounted on the frame, and the vacuum pump is fixed to the frame via a fixing plate and communicates with the oven. The control module is electrically connected to the oven and the vacuum pump. The oven comprises a chamber, a temperature control component, a support component, and a drying rack assembly. The temperature control component is located on the inner wall of the chamber, the support component is fixed to the bottom of the chamber, and the drying rack assembly is mounted on the support component. The overall structure is a modular design, allowing for layered stacking at different heights, with each layer further divided into areas of different sizes. The temperature control component is controlled by the control module, enabling layered temperature control, ensuring drying quality while reducing heat waste and saving cooling time.

The utility model provides a photovoltaic power station scanning type snow thickness measuring instrument, which comprises a controller, a holder and a detector, and is characterized in that the controller is electrically connected with the holder and the detector; the holder comprises a base, a first rotating part and a second rotating part, the base is rotationally connected with the first rotating part, and the first rotating part is rotationally connected with the second rotating part; the detector is connected with the second rotating part and comprises a shell, a front end cover and a rear end cover are arranged at the two ends of the shell respectively, the front end cover is provided with a cover plate, a sensor hole is formed in the cover plate, a laser detector corresponding to the sensor hole is arranged in the shell, an integrated circuit module is further arranged in the shell, and the integrated circuit module is connected with the detector. And the integrated circuit module is electrically connected with the laser detector. And the holder realizes multi-angle scanning type measurement through linkage of the two rotating parts, so that the accuracy of measured data is ensured.

The present invention belongs to the field of semiconductor technology, and specifically relates to a copper-based composite solder paste, a preparation method and application thereof. The copper-based composite solder paste comprises: nano-scale copper powder, micron-scale doped modified diamond powder, titanium powder, additives, solvents and resins. The copper-based composite solder paste of the present invention, by adding micron-scale doped modified diamond powder (i.e., doping and modifying micron diamond), can allow doping atoms such as boron, sulfur, nitrogen, phosphorus and magnesium to penetrate into the micron diamond lattice, which helps to improve the electrical conductivity, and the improvement of the electrical conductivity helps to reduce the heat generation power of the solder layer, thereby improving the thermal conductivity and high-temperature stability of the semiconductor device.