130results about How to "Prevent burn damage" patented technology

The invention relates to the technical field of display, provides a thin film transistor, a display substrate and a display device and aims to solve the problem of bad disconnection of follow-up electrodes in via holes. The thin film transistor comprises an active layer, a gate insulator, a grid electrode, an interlevel dielectric, a source electrode and a drain electrode, and the active layer, the gate insulator, the grid electrode, the interlevel dielectric, the source electrode and the drain electrode are sequentially arranged on a substrate. The source electrode and the drain electrode are respectively connected with the active layer through via holes exposed outside the active layer; the grid insulator at least comprises two silicon oxide layers and two silicon nitride layers, and the interlevel dielectric at least comprises four silicon oxide layers and four silicon nitride layers; all silicon oxide layers and silicon nitride layers of the gate insulator and the interlevel dielectric are arranged at intervals, and one side, away from the substrate, of each via hole is larger than one side, close to the substrate, of each via hole. The thin film transistor is applicable to manufacturing of the display device and the display substrate with the thin film transistor.

The invention discloses an accumulator car facility. The accumulator car facility comprises a charging box body and a charging gun which is jacked into the charging box body to be connected with the charging box body in a matched mode. A hook is fixedly arranged on the left side of the charging box body, and a hanging slot is formed between the hook and the charging box body. An inner end slot stretching left and right is formed in the charging box body, and a jacking slot communicates with the right end of the inner end slot and the exterior of the charging box body. A partition plate fixedly connected with the charging box body is arranged on the position, located above the jacking slot, of the right end of the inner end slot, and an open hole upwards stretching is formed in the partition plate. According to the accumulator car facility, the overall structure is simple, production cost is low, power supplying is safe and stable, running operation is easy, the electric shock accident in existing lives is effectively reduced, life and property safety of people is guaranteed, occurrence of the accumulator car power outage accident caused by error kick and error collision can be avoided, the service life of the accumulator car facility is effectively protected, and the accumulator car facility is suitable for being used and popularized.

The invention discloses water-retaining slow-release fertilizer for saline-alkali soil improvement and a preparation method thereof. The preparation method comprises the following steps: mixing and stirring 0.5-1.5 parts of a urease inhibitor and 0.2-0.6 part of a nitrification inhibitor with 0.5-2 parts of gamma-polyglutamic acid, uniformly mixing with 79-116 parts of molten compound fertilizer, cooling, drying and granulating to obtain long-lasting compound fertilizer; uniformly mixing 4-6 parts of potassium feldspar, 5-8 parts of vermiculite, 5-10 parts of peat, 15-20 parts of maleic anhydride, 6-10 parts of phosphogypsum, 0.1-2 parts of EDTA, 12-15 parts of biochemical fulvic acid, 15-25 parts of potassium humate, 35-40 parts of livestock and poultry fermented organic fertilizer, 80-120 parts of the long-lasting compound fertilizer and 1-5 parts of a water-retaining agent to obtain the water-retaining slow-release fertilizer. The water-retaining slow-release fertilizer can effectively reduce the salinity and the alkality of saline-alkali soil, can improve the fertilizer utilization ratio, can reduce environment pollution caused by application of a large amount of chemical fertilizer, and has the advantages of long-lasting fertilizer efficiency and environment friendliness of raw materials.

A filter assembly includes a filter pad comprising fibers including natural, synthetic and / or hybrid fibers. A stabilizer frame formed of a non-metallic material may be imbedded in the filter pad. The stabilizer frame may be configured to provide support to the filter pad to maintain the filter pad in a generally flat configuration. In accordance with a particular embodiment, the filter pad may be comprised of at least first and second fibrous mats that are coupled together. In this embodiment, the stabilizer frame may be disposed between and coupled with the first and second fibrous mats.

A shifting control system has two gear shift stage groups, two clutches, a clutch release detection section, a pre-shift controller, a clutch oil level detection section and a pre-shift inhibiting section. The clutches are alternately engaged to selectively transmit power from an engine to a wheel. The clutch release detection section detects a release-side clutch which corresponds to the clutch that is in a released state. The pre-shift controller operates a meshing mechanism of the gear shift stage group corresponding to the release-side clutch, so as to undergo pre-shifting when the other clutch is engaged as an engage-side clutch. The clutch oil level detection section determines whether an oil level in the release-side clutch is equal to or greater than a preset oil level. The pre-shift inhibiting section inhibits pre-shifting while the oil level in the release-side clutch is equal to or greater than a preset oil level.

The invention relates to a junction box of a solar photovoltaic module, which is characterized by comprising an electrical part, wherein the electrical part comprises a group of metal sheets and diodes which are connected among the metal sheets; a cable conductor is connected with the electrical part; the electrical part and one connecting end of the cable conductor are packaged in a body plastically; the front side of the body is provided with a connecting line cavity body which is provided with a sealed cover, and a seal ring is arranged between the sealed cover and the connecting line cavity body; a radiating cavity body is arranged below the body and formed by a mounting edge and a lateral bar, and the lateral bar is connected with the mounting edge and the body; and the front ends of the metal sheets extend out of the body to stretch into the connecting line cavity body so as to form lead ends, and the mounting edge is arranged below the connecting line cavity body in an extended mode. The body, the electrical part, the connecting line cavity body and the radiating cavity body are subjected to the integral injection molding to form an integral body. The technology is simple, the manufacturing cost is low, the volume is small, the radiating performance is good, the current bearing capacity is strong, the waterproof and dustproof performance is good, and the service life is long.

The invention discloses a method for preventing a high-temperature fallen material from scalding a conveyor belt. A temperature detection device (11) is installed between a discharging port of a high-temperature material (1) in the last process and a material receiving hopper (2) of a material receiving conveyor belt machine (4) in the following process; a cooling water nozzle set (13) and a cooling water nozzle set (15) are installed respectively at a material receiving hopper rear portion (12) and a material receiving hopper front portion (14) and above the conveyor belt (9); each cooling water nozzle set is connected with a cooling water branch pipe (16) independently; an electromagnetic valve (18) and a stop valve (19) are installed on each cooling water branch pipe. When heat dissipated from an upper process fallen material is sensed by the temperature detection device, a detected temperature signal is sent to a signal input circuit (21) of a controller by the temperature detection device, after comparison operation is conducted by a microprocessor (22), a water spraying control signal is output to a signal output circuit (24), and therefore the electromagnetic valve of the nozzle set on each branch pipe is controlled to be opened and closed.

The invention discloses a solar water heater which comprises a protecting plate, a base, a protecting frame, heat collecting pies, a supporting plate, a control panel, a heat preservation layer and ultraviolet sterilizing lamps. The supporting plate is arranged at the upper ends of supporting rods, the heat collecting pipes are embedded into one end of a water tank, the heat preservation layer isarranged on the inner wall of the water tank, and the ultraviolet sterilizing lamps are arranged in a protecting hood; and the protecting frame is arranged on one side of the heat collecting pipes, the protecting plate is arranged on the other side of the heat collecting pipes, and the control panel is arranged on the front surface of an outer end cover. The solar water heater is scientific and reasonable in structure and safe and convenient to use, the ultraviolet sterilizing lamps can be conveniently used by a user for killing harmful microorganisms in the water tank, the protecting plate can be conveniently used by the user to protect the heat collecting pipes, the supporting plate can be conveniently used by the user to protect and disassemble the bottom of the water tank, and convenience is brought to normal using for the user.

The frame or device described herein was designed for use on a golf car or all terrain vehicle. The frame or device would be used by golfers or hunters in times of cold weather as a secure mounting device for a propane heater device and propane bottle. The invention as shown in FIGS. 1, 2 and 3 of the drawings indicate multiple parts of the frame or device. Although the main purpose of the frame is a secure location for the propane heater device and propane bottle, it also consists of a storage container, two cup holders and a golf ball receptacle. To the best of my knowledge, there is no other device that attaches to a windshield frame of a golf car of all terrain vehicle which is adjustable to all makes and models of these vehicles or offers a mounting device for a propane heater device and propane bottle. The only mounting position for a propane heater and bottle has been a cup holder provided by the manufacturer of the golf car or all terrain vehicle (assuming it was manufactured with a cup holder).The cup holder is ill suited for securing a heater device which is top heavy by its very nature. The heater device and bottle is very unstable when the golf car or all terrain vehicle is in motion when using a cup holder as the mounting device.

The invention relates to a method and device for protecting an indoor unit of an air conditioner. The method for protecting the indoor unit of the air conditioner comprises the steps that an initial temperature TZ0 of an indoor unit evaporator when the air conditioner starts running, and a real-time temperature TZ1 of the indoor unit evaporator and a real-time temperature of the indoor environmentTN1 after the continuous running of the air conditioner reaching a test time tC are correspondingly tested; according to the difference in values of TZ0, TZ1, and TN1, whether the air conditioner isabnormal or not is judged; and the air conditioner is stopped when it is judged that the air conditioner is abnormal. According to the method and device for protecting the indoor unit of the air conditioner, the risk of air conditioner damage caused by the installation error of an air conditioner valve can be effectively detected and prevented, so that the problems of the abnormal circulation of arefrigerant and the damages of the air conditioner caused by the air conditioner running in the state that the valve is not opened are avoided.

The invention discloses a spirulina culture method, which comprises the following steps of (1) putting a solid culture medium into a sterilization pot to be steamed and boiled; (2) performing inoculation: spreading algae species of spirulina into the culture medium in a fully automatic pollution-free room; after the inoculation is completed, automatically and uniformly stirring the materials; (3) performing three-dimensional culture on the spirulina to obtain spirulina liquid; (4) performing harvesting, washing and concentrated dewatering; performing spray drying; completing the culture; (5) sieving the cultured materials to prepare the scaled culture spirulina. The spirulina culture method has the advantages that the germ content is low; the culture efficiency is high; high efficiency and health are realized; the energy consumption is low; the precipitation and the wall attachment of the spirulina are reduced; the collecting rate of the spirulina is improved; the scaled culture of the spirulina can be realized.

The invention discloses a long-service-life welding apparatus. The long-service-life welding apparatus comprises a frame body and an electric connector which is inserted in the frame body to be connected therewith in a matching manner; an internal groove which extends left and right is formed in the frame body; an inserting groove is connected between the right end of the internal groove and the exterior of the frame body; a partition strip fixedly connected with the frame body is arranged at the right end of the internal groove above the inserting groove; an opening slot which extends upwardly is formed in the partition strip; and the left end of the opening slot is connected with the internal groove, the right end is connected with the exterior of the frame body, and the lower side is connected with the inserting groove. The long-service-life welding apparatus is simple in overall structure, low in production cost, safe and reliable in power supply, simple and convenient in operation, and capable of effectively reducing electric shock accidents in the existing life, safeguarding life safety of people, avoiding power failure accident of the welding machine caused by mistake kicking and mistake collision, and effectively protecting the service life of the welding machine, and is suitable for popularization and use.

The invention discloses a welding lifting hook with good anti-stripping property, wherein the welding lifting hook includes a hook body and a round head. The round head is located at the tail end of the hook body and is fixedly connected with the hook body; a rotating shaft is arranged at one end of the outer wall of the hook body, and one end of the rotating shaft is rotatingly connected with ananti-stripping device; a fixing hole is arranged on the surface of one end of the anti-stripping device; a clamping groove is arranged at the inner side of the round head. With the arrangement of a fixing rod, the anti-stripping device can be fixed, so a condition of looseness of the anti-stripping device is prevented, at the same time, the influence of external factors on the anti-stripping device can also be prevented, and the anti-stripping property of the lifting hook is ensured; because a lifting ring is made of an insulation material, electric shock accidents and burned damage of cranesand appliances caused by poor ground connection of welding current can be effectively prevented, and accidents caused by electric shock and leakage are prevented; through arrangement of transverse reinforcing ribs and vertical reinforcing ribs, the structural strength of the hook body can be strengthened, and local deformation and fracture of the hook body cannot appear in the process of use, so the lifting hook is suitable for mass production and use.

The invention discloses a relay which comprises an insulation shell, an insulation bottom plate, a fuse, and a mounting seat. A containing cavity with one open end is limited in the insulation shell. The insulation shell is provided with two separated wiring columns. The insulation bottom plate is movably arranged in the containing cavity between a first position and a second position. One side of the insulation bottom plate facing the wiring columns is provided with two separated connection contacts. When the insulation bottom plate is at the first position, each of the connection contact presses against a wiring column. When the insulation bottom plate is at the second position, the connection contacts are separated from the wiring columns. The fuse is arranged between the two connection contacts, and two ends of the fuse are electrically connected to the two connection contacts. The mounting seat is provided with a movable push rod to push the insulation bottom plate to move between the first position and the second position. According to the relay of the embodiment of the invention, the overload protection of an external circuit can be achieved, the burning and damage of the electrical components of the external circuit are avoided, and the reliability and the security of the system are improved.

The invention discloses an automatic tin suction device. The automatic tin suction device comprises a supporting frame and an automatic tin sucker mounted on the supporting frame, wherein the automatic tin sucker is provided with a heating system, a storage device and a vacuum suction system; the heating system is used for heating and melting solder of a motor pin into welding slag; and the vacuumsuction system is used for sucking the welding slag away and storing the welding slag in the storage device. The heating system and the vacuum suction system are alternately used, so that the soldering tin on the motor pin is capable of being automatically removed while the economic cost is saved.

The invention discloses a container for real-time monitoring of logistics, which includes a box body, a mobile terminal is arranged at the right end of the box body, a support rod is arranged at the inner top end of the box body, and the inner left end of the support rod runs from left to right A processor, a transmitter, a receiver and an energy supply device are provided in sequence, and the bottom end of the support rod is provided with a temperature sensor, a smoke sensor and a lamp bead in turn from left to right, and the four corners of the inner top of the box are provided with camera, the front and back sides of the box are equipped with emergency electric opening doors. The real-time monitoring logistics container uses a temperature sensor, a smoke sensor, and a mobile terminal to observe the internal conditions of the container through a camera. When a fire occurs inside the container, the mobile terminal controls the emergency electric door opening to speed up the handling of items, avoiding Item burn damage in large quantities, reducing economy.

The invention belongs to the technical field of welding and particularly relates to an automatic active argon tungsten-arc welding method. In order to further improve the welding efficiency and welding quality of the current active argon tungsten-arc welding, the invention discloses a novel automatic active argon tungsten-arc welding method. According to the automatic active argon tungsten-arc welding method, a double-layer protective gas welding gun is adopted for carrying out argon tungsten-arc welding, wherein an inner layer gas passage transports inert gas, and an outer layer gas passage transports active agent powder and outer layer gas. With adoption of the automatic active argon tungsten-arc welding method, through changing the elements of the active agent or the variety of the outer layer gas, flow behavior of metal in a furnace hearth can be changed, the fusion depth and depth-to-width ratio of a weld joint are increased in a multiplied manner, the elements and the texture ofthe weld joint are controlled, and the mechanical property of the weld joint is improved to obtain the weld joint with high quality and high fusion depth; and in addition, automatic adding of the active agent can be realized during the welding process, so that automation of the welding operation is realized, and the welding efficiency is improved.

The invention relates to an intelligent reversing control system, an intelligent reversing control method, an intelligent radiant tube heat regeneration device and an intelligent radiant tube heat regeneration method. The intelligent reversing control system comprises a flue gas temperature sensor, an exhausted gas temperature sensor, a fuel gas reversing valve, an air reversing valve and a master control module, wherein the fuel gas reversing valve is arranged on a fuel gas passage, the air reversing valve is arranged on an air passage and is provided with an outlet port, the flue gas temperature sensor is arranged in a radiant tube and is used for detecting a temperature of flue gas in the radiant tube and sending temperature signals to the master control module, the exhausted gas temperature sensor is arranged at the outlet port position of the air reversing valve and is used for detecting a temperature of exhausted flue gas and sending temperature signals to the mater control module, and the master control module is used for receiving the temperature signals from the flue gas temperature sensor and the exhausted gas temperature sensor, computing and analyzing the signals and controlling the air reversing valve and the flue gas reversing valve to reverse. The intelligent reversing control system is capable of achieving intelligent reversing of the radiant tube in regenerative combustion and improving control precision of the regenerative gas-fired radiant tube, and workload adjustment is facilitated.

The invention provides a centrifugal force-based self-regulating singeing device for textile and relates to the technical field of textile processing. The centrifugal force-based self-regulating singeing device for textile comprises a frame body; the internal part of the frame body is rotatably connected to a rotating roller through a rotating shaft; the inner left side of the frame body is rotatably connected to a guide roller; the inner right side of the frame body is rotatably connected to a transfer roller; cloth runs through the frame body; the back end of the transfer roller is in transmission connection with a motor shaft; and a first gear is fixedly mounted at the periphery of the motor shaft. The centrifugal force-based self-regulating singeing device for textile can perform efficient singeing treatment on the upper and lower surfaces of the cloth so as to avoid direct contact between a heating block and the cloth and scald damage to the surface of the fabric, and can automatically regulate the singeing temperature according to the change of the transfer speed of the cloth, thereby avoiding incomplete singeing or cloth burned phenomenon and improving the effect of the singeing treatment.

The invention provides a motor with a cooling structure and a rotary compressor. The motor comprises a shell, a motor cavity is formed in the shell, a refrigerant inlet and a refrigerant outlet are formed in the motor cavity, and a refrigerant enters the motor cavity from the refrigerant inlet for heat exchange and is discharged out of the motor cavity from the refrigerant outlet. According to the motor with the cooling structure and the rotary compressor provided by the invention, the refrigerant inlet and the refrigerant outlet are formed in the motor cavity, and a refrigerant is directly introduced into the motor cavity for cooling, so the heat dissipation effect of the motor is effectively improved, and the problem that the motor is burnt and damaged due to too high temperature is further avoided; the temperature detection mechanism can detect the internal temperature of the motor, and the heat dissipation rate of the refrigerant to the motor is effectively controlled.

The invention discloses a hair straightener device. The hair straightener device comprises a shell and an electrical connection head jacked into the shell for cooperative connection. An inner groove expanding left and right is formed in the shell. The right end of the inner groove and the exterior of the shell are connected with a splice groove, a partition plate fixedly connected with the shell is arranged at the position, located above the splice groove, of the right end of the inner groove, a groove expanding upwards is formed in the partition plate, the left end of the groove is connected with the inner groove, the right end of the groove is connected with the exterior of the shell, and the lower portion of the groove is connected with the splice groove. The hair straightener device is simple in overall structure, low in production cost, safe and stable in power supply and easy to operate, existing electric shock accidents in life are effectively reduced, the life and property safety of people is guaranteed, the power cutoff accident, caused by mistaken kicking and colliding, of a hair straightener can be avoided, the service life of the hair straightener is effectively protected, and the hair straightener device is suitable for use and popularization.

The invention discloses a novel bracket of a computer host case. The novel bracket comprises a base; a transverse sliding groove which communicates in the left-right direction is formed in the base, and a longitudinal sliding groove which communicates in the front-back direction is formed in the position, above the transverse sliding groove, in the base; a transverse clamping device is arranged inthe transverse sliding groove, and a longitudinal clamping device is arranged in the longitudinal sliding groove; a flexible cushion is arranged on the top of the base; and a left through groove anda right through groove which are provided with downward openings are symmetrically formed in the bottom of the base. The novel bracket is simple in structure, low in product cost, easy to operate andconvenient to use; the computer host case can be fixed stably in the transverse direction and the longitudinal direction and is also protected well, and accordingly the situation that the computer host case is kicked mistakenly, and consequently the computer host case is damaged or a power failure accident occurs is prevented; and the heavy computer host case can be also carried through the novelbracket, overall carrying of the computer host case is facilitated, and thus the novel bracket is suitable for being used and popularized.

The invention discloses a height sensing control system of a bituminous pavement maintenance heater. The height sensing control system of the bituminous pavement maintenance heater comprises a pavement heater, a height sensor, a main controller, a lifting mechanism and a heating switch circuit, wherein the pavement heater is used for heating and maintaining a bituminous pavement; the height sensor is used for collecting the value of the height from the pavement heater to the bituminous pavement; the main controller determines the pavement level according to a collected height signal and sends out a corresponding executive command; the lifting mechanism executes the executive command output by the main controller and drives the pavement heater to ascend or descend automatically to regulate the height; the heating switch circuit is controlled by the main controller to decide whether the pavement heater stops acting; the height sensor, the lifting mechanism and the heating switch circuit are respectively connected with the main controller; the pavement heater is connected with the lifting mechanism and the heating switch circuit respectively. The height sensing control system of the bituminous pavement maintenance heater provided by the invention can automatically and accurately control the terrain clearance of the pavement heater, can improve the use safety and operation convenience effectively, and has the advantages of simple and reasonable structure, low manufacture cost, high intensity, flexibility in operation and long service life.

The invention discloses a rotor for a motor of a bag making machine. The rotor comprises a rotating shaft (1), a permanent magnet (2), an inner iron core (4) and an outer iron core (5), wherein the inner iron core (4) sleeves and is fixed on the rotating shaft (1), the outer iron core (5) sleeves and is fixed on the inner iron core (4), the outer iron core (5) is formed by laminating silicon steel plates (3), the permanent magnet (2) is fixedly arranged on the outer peripheral face of the outer iron core (5), and a plurality of heat radiating holes (7) are arranged in the outer iron core (5). The rotor is light, uses less material, and has excellent heat radiation effect. The service lifetime of the motor of the bag making machine is prolonged.

The invention discloses a power distribution automatic terminal and a method for improving reliability of a breaker. The power distribution automatic terminal comprises a switching abnormality monitoring interface, software and a controllable switching operation power supply module, wherein the monitoring interface and the software are arranged in a distribution network automatic terminal. A control chip of the power supply module has the working capability of turning off a PWM switching power supply. A control pin of the control chip is controlled by the distribution network automatic terminal so as to stop or recover energizing of an operation circuit of the breaker. The protection method is characterized in that a measuring and controlling module of the power distribution automatic terminal monitors the breaker; when a breaker control coil which does not finish a control action for a long time is energized, the measuring and controlling module emits a control signal to the power supply module; the power supply module stops an operational power supply of the breaker from working after receiving the signal emitted by the measuring and controlling module. As the operation power supply is automatically cut off when the control circuit of the breaker is abnormal and external actions are not needed, the phenomenon that the breaker control coil is energized for a long time and is prone to burn and damage is avoided and maintaining loads are reduced.

The invention relates to the technical field of electric circuit driving, in particular to a solenoid valve driving circuit. The circuit comprises an input rectifier filter circuit, a power supply circuit, and a control driving circuit; the input rectifier filter circuit is electrically connected with a power source and outputs filter voltage to the power supply circuit based on voltage of the power source; the power supply circuit outputs power supply voltage to the control driving circuit based on the filter voltage; the control driving circuit is electrically connected with the power supplycircuit and comprises a control chip; and when the control chip receives the power supply voltage, the control chip outputs a broad pulse signal and a narrow pulse signal. According to the prior art,although a solenoid valve can be effectively driven, the solenoid valve is prone to burning out due to the influence of self power consumption of a solenoid valve coil. Compared to the prior art, thesolenoid valve driving circuit meets the need of motivating the solenoid valve by outputting the broad pulse signal and meets the need of continuous operation of the solenoid valve via the narrow pulse signal, so the working current of the solenoid valve is effectively lowered and power consumption of the solenoid valve is thereby lowered.

A circuit breaker arc extinguishing device comprises an arc extinguishing chamber, a static contact plate, a movable contact plate and an arc isolating sleeve structure arranged between the arc extinguishing chamber and the static contact plate in a sleeving manner. The arc isolating sleeve structure is made of an insulating aerogenesis material, and comprises a lower arc isolating sleeve which surrounds a static contact and covers the static contact plate, and two upper arc isolating sleeves which are oppositely arranged at the two sides of an arc striking opening and wrap the U-shaped pin ends of a plurality of arc extinguishing grid pieces. The arc extinguishing grid pieces and the exposed part of the static contact plate are wrapped and covered through the arc isolating sleeve structure, an arc striking channel directly communicated with the interior of the arc extinguishing chamber is formed, and electric arcs are prevented from flowing to the two sides of the arc striking opening. The arc-isolating sleeve structure made of the insulating aerogenesis material generates a high-temperature gas under the action of the arc, and the arc is blown into the arc extinguishing chamber for arc extinguishing by utilizing an arc blowing effect, so that the resistance of the arc entering the arc extinguishing chamber is reduced, the arc striking efficiency is high, the arc extinguishingefficiency is improved, and the arc extinguishing capability and breaking capability of a circuit breaker are improved.

Disclosed is an electrothermal alumina ceramic heat tube hot-blast stove; the electric heating tube of the hot-blast stove is an electrothermal alumina ceramic heating plate component inserted on the concave bottom plate of the inner bottom of the heating tube; the heating tube is mounted in the tube plate insertion hole through a clamp ring; when the heating tube is electrified, the electrothermal alumina ceramic heating plate generates heat rapidly to gasify the working fluid and conveys the gasified latent heat to the upper wing plate heating tube; the condensed latent heating air is released under the airflow flushing of a fan; the condensed working fluid returns to the lower part through the gravity for heat absorbing and gasification again; the process cycles and reciprocates; the electrothermal alumina ceramic heat tube hot-blast stove has the advantages of being not influenced by the voltage, high thermal efficiency, long service life and being an electric heating hot-blast stove in the new generation.

The invention discloses greenhouse planting warm air equipment for seedling raising and heating and an operation method thereof. The equipment comprises a supporting platform, sleeving discs, extending platforms and supporting rods, wherein the supporting platform is obliquely arranged, and the sleeving discs sleeve the supporting platform. The equipment has the advantages that the equipment movably blows warm air into a greenhouse, so that the coverage of an area into which the warm air is blown in the greenhouse is more uniform and comprehensive, the heating quality of the equipment for the greenhouse is improved, the working automation degree of the equipment is higher at the same time, and time and labor are saved when the equipment is used. The sleeving discs are connected into screw holes in the two ends of each mounting ring through the bottoms of two screw bolts respectively, the sleeving discs and the supporting platform are connected during mounting, and it is ensured that people can mount any sleeving disc of different sizes to heat greenhouses according to the actual heating demands of the greenhouses different in area, so that the use flexibility is guaranteed.

The invention provides a series-parallel connection type shape memory alloy vertebral body support, which belongs to the technical field of medical instruments, and comprises a plurality of parallel connection single bodies connected in series, each parallel connection single body comprises a plurality of support single bodies, and the support single bodies are connected in parallel in a crossed mode to form one parallel connection single body. The parallel monomer is made of a shape memory alloy material meeting the biocompatibility requirement, so that the parallel monomer can be in a contracted state or an expanded state at different temperatures. The support is simple in structure, convenient to operate and use and capable of being used in cooperation with an existing universal outer sleeve vertebral body forming instrument, the economic cost is obviously reduced, the effect of supporting the vertebral body can be achieved only through the support, bone cement does not need to be filled, and therefore the leakage problem of the bone cement is avoided; burning damage of bone cement to nerves and other tissues is effectively prevented, surgical pain of a patient can be effectively relieved, and postoperative complications of the patient are reduced.