544results about How to "Guaranteed temperature" patented technology

The invention discloses a charging pile monitoring system based on artificial intelligence, which relates to the field of charging pile monitoring and comprises a data acquisition module, a user demand analysis module, a charging index analysis module, a temperature monitoring and adjusting module, a charging state monitoring and early warning module, a man-machine interaction platform and a database. A charging demand alternative set, a temperature state value and a charging state value of a charging pile corresponding to a charging pile user are obtained by judging and analyzing a charging pile user behavior characteristic demand parameter and a charging pile user charging association demand parameter and then counting and analyzing a charging pile temperature state parameter and a charging pile charging state parameter; the charging pile can be ensured to operate in a proper temperature range interval, the charging pile can immediately remind a worker in an abnormal working state, the working pressure and heating of internal elements of the charging pile are reduced in a low charging peak period, the stability of a power grid of the charging pile is ensured in a high charging peak period, and the service life of the charging pile is prolonged.

The invention discloses an environment-friendly safe low-smoke halogen-free cable, and relates to the technical field of cables, the environment-friendly safe low-smoke halogen-free cable comprises a cable assembly, the cable assembly comprises an outer sheath, the outer surface of the outer sheath is fixedly communicated with an air outlet assembly, a plurality of conductors are arranged in the outer sheath, each conductor is hollow, and the outer surface of the outer sheath is fixedly communicated with the air outlet assembly. A plurality of filling pipes are arranged among the exteriors of the plurality of conductors, and the plurality of filling pipes are hollow; according to the environment-friendly safe low-smoke halogen-free cable, when the temperature of air around the cable is low, cold air enters the hollow conductor from the air inlet, air convection is formed in the conductor, heat is taken away and then discharged from the air outlet, and when excessive heat is generated in the use process of the conductor, the heat can enter the filling pipe through the multiple drainage holes, so that the cable is protected. And heat can flow in the conductor, so that excessive local heat dissipation of the conductor can be prevented.

The invention discloses a high-safety battery heat management system with high-temperature heat dissipation, low-temperature heating and heat spread suppression considered. The high-safety battery heat management system comprises a power battery pack and a heat management system, the power battery pack comprises a battery pack consisting of a plurality of square battery cells and a large-scale battery module formed by connecting the battery packs in parallel; a plurality of battery cells are connected in series in each battery pack, the battery packs are vertically arranged, the large-scale battery module is formed by horizontally arranging the battery packs, and each battery pack comprises equal or unequal battery cells; the thermal management system comprises a flexible flame-retardant phase-change material, a liquid cooling plate, a heating film and aerogel; a part of side surfaces between the battery cells are uniformly filled with a flexible flame-retardant phase-change material, the other side surfaces are wrapped by aerogel, the bottoms of the battery cells are connected with an integrated unit of a heating film and a liquid cooling plate, and the heating film is positioned at the positions of the battery cells for heating; the battery pack is cooled through water cooling and phase change latent heat; heating the battery pack through a heating film at the bottom of the battery cell; and the thermal runaway of the battery is inhibited through the combination of the flexible flame-retardant phase-change material and the aerogel.

According to the low-resistance and low-leakage bag type dust collector provided by the utility model, the air inlet main flue is directly arranged in the middle box body of the dust collection module unit, and is directly perforated to serve as a branch air inlet to enable flue gas to enter the filter chamber, so that a complicated external flue structure in the traditional design is reduced, the resistance of the flue gas in the transmission process is reduced, and the dust collection efficiency is improved. Meanwhile, the heat loss of the flue is reduced; the top of the flue gas chamber is provided with a mounting hole convenient for the cloth bag assembly to enter and exit, the side wall is provided with a manhole door convenient for entering the inside for maintenance, and other openable structures are not arranged any more, so that the leakage rate is reduced, and low-temperature gas invasion is reduced to the greatest extent. Smoke at the outlet of the cloth bag assembly directly flows into the flue gas chamber and then flows out of the smoke outlet connector, and smoke resistance is reduced. The guide shutter mechanisms are arranged at the branch air inlets, smoke can be guided, smoke resistance can be reduced, smoke speed reduction and particulate matter sedimentation are achieved, and the situation that smoke carries large-particle dust to abrade a cloth bag, sparks burn the bag and the like is prevented.

The utility model discloses a dustproof heat dissipation type LED mining lamp which comprises a miner lamp body, heat dissipation fins are arranged on the upper surface of the miner lamp body, a fixing box is fixedly connected to the outer surface of the miner lamp body, a motor is fixedly connected to the top inner wall of the fixing box, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with a power source. The outer surface of the rotating shaft is fixedly connected with a fan, and the inner surface of the fixing box is fixedly connected with an air pipe. Heat generated by the miner lamp body is effectively dissipated out in time through the cooling fins, the motor, the rotating shaft, the fan and the filter screen, so that the temperature of the miner lamp body in the using process is kept within a safe range, the miner lamp body is prevented from being damaged or exploded at a high temperature, the filter screen can also prevent external dust from entering the fixing box, and the miner lamp is convenient to use. And the miner lamp body can be effectively kept clean under the cooperation of the air pipe and the spray head, so that the stability of the lighting effect is ensured, and the safe operation of miners in a well is ensured.

A continuous induction quenching device for two ends of an automobile push rod is used for manufacturing the automobile push rod. Two conveying lead screws are installed in the middle of the quenching machine tool, the head ends of the conveying lead screws are in butt joint with mistake-proof feeding devices above the conveying lead screws, inductors are arranged on the two sides of the middle sections of the conveying lead screws and connected with variable vibration devices and heating power sources, blanking grooves are formed in the tail ends of the conveying lead screws, and quenching liquid grooves are installed below the conveying lead screws. A spiral groove of the conveying lead screw is matched with the diameter of the rod portion of the push rod, and the ball head end and the ball socket end of a discharging port of the mistake-proof feeding device are matched with a ball head and a ball socket at the two ends of the push rod respectively. According to the invention, simultaneous quenching of the ball head and the ball socket at the two ends of the push rod can be realized, the problems of low efficiency and overlarge cost input caused by separate quenching of multiple devices in the prior art are solved, wrong quenching, re-quenching and missing quenching in the machining process are avoided, and high dependence on personnel skills and operation attention is avoided; quenching efficiency of the ball head and the ball socket at two ends of the push rod can be improved, product quality can be guaranteed, and manufacturing cost can be reduced.

The invention provides a preparation method of coaxial aerogel fiber and temperature self-adaptive protective aerogel fabric, which comprises the following steps: weighing nano-crystalline cellulose powder and dispersing in deionized water to obtain nano-crystalline cellulose dispersion suspension, weighing phase change microcapsules and dispersing in the nano-crystalline cellulose dispersion suspension to obtain phase change microcapsules; a core layer spinning mixed solution is obtained; carrying out wet spinning on the nano aramid fiber spinning stock solution and the core layer spinning mixed solution through a coaxial spinning needle, and fully solidifying in a coagulating bath to obtain coaxial gel fibers; the coaxial gel fibers are subjected to multiple times of solvent replacement treatment, then washed to be neutral and finally subjected to freeze drying treatment, and the coaxial aerogel fibers are obtained. According to the fabric, the phase change microcapsules are perfectly wrapped in the aerogel fibers, and the fabric has good heat insulation performance, good mechanical performance, excellent low-temperature and high-temperature responsiveness and a good protection effect in an extreme environment.

The utility model discloses pesticide-mist separation spraying equipment special for a strawberry greenhouse. The pesticide-mist separation spraying equipment comprises a main body and a bracket, the main body internally comprises a circuit mainboard, a wifi module, a relay module, a hot fog generation module, a medicine fog mixing valve, a temperature detection module, a flow detection module, an electromagnetic pump, a peristaltic pump and a direct current motor speed regulation module. The circuit mainboard integrates all functions and can be controlled by being connected with a mobile phone through the wifi module, the relay module on the circuit mainboard controls the hot fog generation module, the electromagnetic pump and the peristaltic pump, the direct-current motor speed regulation module is connected with the peristaltic pump, and liquid medicine is conveyed to one side of the medicine fog mixing valve. Meanwhile, high-temperature steam generated by the hot mist generation module is conveyed to the other side of the medicine mist mixing valve through an electromagnetic pump, and the liquid medicine and the high-temperature and high-pressure steam are sprayed out after being fully mixed in the mixing device. According to the scheme, the pesticide spraying device has the characteristic that pesticide liquid and water mist are separated, is specially suitable for pesticide spraying in a strawberry greenhouse, and can keep a stable spraying effect on any type of pesticide.

The utility model relates to the technical field of ivy mosses breeding, in particular to a temperature control device for efficient ivy mosses breeding, which comprises a box body, a connecting cavity is arranged at the inner top of the box body, connecting pipes are communicated with the connecting cavity, and a heating cavity and a humidifying cavity are respectively arranged below the connecting cavity; a plurality of electrical bars are mounted in the heating cavity, and an atomizer is mounted at the inner bottom of the humidifying cavity; on one hand, the air inlet fan can send heat of the multiple electric heating bars into the breeding box, so that the temperature in the breeding box can be increased, the temperature in the breeding box can be guaranteed in low-temperature weather, and healthy growth of ivy mosses seedlings is facilitated; on the other hand, the atomizer atomizes the water source in the humidifying cavity to form water mist, and the air inlet fan can send the water mist into the breeding box, so that the humidity in the breeding box can be improved, and healthy growth of the dried ballonflower seedlings is facilitated; according to the design, the temperature and humidity in the breeding box are regulated and controlled, so that the requirements on the temperature and humidity in the growth process of the ivy mosses seedlings are met.

The utility model discloses a hot-metal bottle protection device and a hot-metal bottle system.In the hot-metal bottle protection device, a moving trolley is arranged on a rail which supports and stretches across a conveying line and is higher than a hot-metal bottle, and the moving trolley moves in the extending direction of the rail. The lifting appliance of the lifting device and the protective cover of the lifting appliance move along with the moving trolley. The movable trolley moves along the track, so that the lifting appliance and the protective cover of the lifting device move to the tank opening of the hot-metal tank, the lifting appliance and the protective cover descend until the protective cover covers the tank opening of the hot-metal tank, and the protective effect is achieved; the protective cover and the lifting appliance are detachably connected, the protective cover can be separated from the lifting appliance and continuously placed at the tank opening, smoke pollution and heat loss are reduced, the protective cover only covers the tank opening, the protective cover and the tank opening are convenient to separate, the problem that follow-up work of the molten iron tank is affected due to clamping stagnation of the protective cover is not prone to occurring, and the transportation efficiency of molten iron is guaranteed; the technical problem that transportation efficiency, environmental protection and production benefits are affected in the molten iron transportation process is solved to a certain extent.

The utility model belongs to the technical field of medical rescue equipment, and particularly relates to a plateau pressurizing medical emergency ambulance which comprises a chassis, an equipment cabin, a pressurizing cabin, a pressurizing module, an oxygen supply module, a medical emergency module and a function guarantee module. The equipment compartment is arranged on the rear side of a cab of the ambulance; the pressurizing cabin is located on the rear side of the equipment cabin and comprises a shell, a heat preservation layer and a damp-proof layer. The pressurizing module comprises a pressurizing host and a gas storage tank; the pressurizing module is used for generating and storing compressed air and conveying the compressed air into the pressurizing cabin. The oxygen supply module comprises an oxygen generator and an oxygen supply terminal; and the oxygen generator is arranged in the pressurizing cabin and is connected with the oxygen supply terminal through a pipeline. And the medical first-aid module is accommodated in the pressurizing cabin. And the function guarantee modules are respectively arranged in the pressurization cabin and the equipment cabin and are used for providing power application, environment control, communication and environment illumination guarantee. The utility model aims to solve the problems of poor cross-country ability, poor comfort and single guarantee function of the existing guarantee equipment.

The utility model discloses an efficient aluminum melting furnace which comprises an aluminum melting furnace body, one side of the inner wall of the aluminum melting furnace body is fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a disc, and one side of the disc is provided with an annular moving block. An annular moving block is arranged in the aluminum melting furnace body, a moving block is fixedly connected to one side of the annular moving block, a feeding box is arranged in the aluminum melting furnace body, one side of the feeding box is fixedly connected with the fixing plate, and the moving block is slidably connected with the feeding box. Through cooperation of the annular moving block and the rotating block, the limiting block moves in a reciprocating mode, continuous alternate feeding of the two sides of an aluminum block is achieved, instability and delay of manual feeding are avoided, production efficiency is greatly improved, direct contact between workers and high-temperature and harmful substances is reduced, work safety is improved, and the production cost is reduced. Meanwhile, the aluminum blocks in the feeding pipe well avoid heat loss, energy consumption is reduced, and energy cost is saved.

The invention provides an air conditioner control method and device, electronic equipment and a storage medium, and relates to the technical field of air conditioners. Comprising the steps that under the condition that the current operation mode of the air conditioner is a target operation mode, the heating function of an indoor fan is started; the pipeline temperature of an indoor heat exchanger and the corresponding indoor environment temperature when the air conditioner enters the current operation mode are obtained; and according to at least one of the indoor environment temperature and the indoor heat exchanger pipeline temperature, the rotating speed of the indoor fan is controlled. Therefore, the rotating speed of the indoor fan can be controlled according to at least one of the indoor environment temperature and the pipeline temperature of the indoor heat exchanger in the heating cold air prevention mode or the defrosting mode, so that heat generated by the heating function of the indoor fan is output indoors, the indoor environment temperature can be guaranteed, and the user experience is improved.

The utility model discloses an air source heat pump system. A domestic hot water heat exchanger comprises a refrigerant outlet and a refrigerant inlet. The outdoor heat exchanger comprises a first refrigerant connector and a second refrigerant connector. The air conditioner side heat exchanger comprises a third refrigerant connector and a fourth refrigerant connector. One path of the first throttling module is provided with a first refrigerant flow adjusting device, and the other path is provided with a first one-way valve. One path of the second throttling module is provided with a second refrigerant flow adjusting device, and the other path is provided with a second one-way valve. The refrigerant inlet is connected with an outlet of the compressor. The refrigerant outlet is connected with the inlet end of the bypass pipeline through the first reversing valve and connected with the first refrigerant connector and / or the third refrigerant connector. And the second refrigerant interface is connected with the fourth refrigerant interface through the first throttling module and the second throttling module. And the outlet end of the bypass pipeline is connected between the first throttling module and the second throttling module. The first refrigerant connector and / or the third refrigerant connector are / is connected with an inlet of the compressor. Automatic switching between total heat recovery and partial heat recovery during refrigeration can be achieved, and flexibility in different modes is improved.

The utility model relates to the technical field of electronic cigarettes, in particular to a heating tube packaging structure which comprises a heating tube, a first connecting tube, a second connecting tube and a first heat shrink tube, the first connecting tube is arranged at the first end of the heating tube and is coaxial with the heating tube, the second connecting tube is arranged at the second end of the heating tube and is coaxial with the heating tube, and the first heat shrink tube is arranged in the second connecting tube. The first connecting pipe, the heating pipe and the second connecting pipe are connected into a whole through a first heat shrink tube. The heating tube packaging structure provided by the utility model solves the difficulty in fixing the temperature measuring element and the lead, avoids health hidden dangers caused by packaging with glue, heat preservation cotton and the like, has the characteristics of small heat capacity, good heat insulation, good adaptability and the like, can meet the requirements of quick response, accurate temperature control and low energy consumption, and is suitable for popularization and application. The mouth feel of the electronic cigarette smoking set made of the heating pipe packaging structure can be comparable with that of an international advanced electromagnetic induction inner core heating smoking set, and a special cigarette with a metal heating sheet does not need to be matched.

The invention discloses a liquid slagging boiler with a modular combustion chamber and a peak regulation method, and belongs to the technical field of fire coal consumption reduction of thermal power generating units. According to the method, on the basis of a combustion chamber of an existing liquid slagging boiler, the combustion chamber is divided into four modular combustion chambers with the same size, an independent fuel nozzle and an independent draught fan are installed on the outer side of each modular combustion chamber, so that each modular combustion chamber can be independently used, and in the peak regulation process, according to the peak regulation requirement, the modular combustion chambers can be used independently; and determining the use number of independent combustion chambers. The partition screens and the modular combustion chambers in the boiler are of detachable and splicable structures, so that each modular combustion chamber can be detached from the liquid slagging boiler to be replaced and spliced. According to the boiler, operation of the combustion chamber module can be accurately controlled according to actual load requirements, energy consumption is effectively reduced under the low-load condition, and the combustion efficiency is improved; and when the load is increased, sufficient steam supply is ensured.

The present disclosure relates to a battery energy processing device and a vehicle. The device includes: an inverter, an energy storage element and a controller; the controller is used to: in a first preset state, control the inverter to charge and discharge the energy storage element and the battery to realize battery self-heating; in a second preset state, reuse the energy storage element and the inverter to form a voltage adaptation charging module, and control the inverter to charge the battery. In this way, in the first preset state, the energy storage element is used to realize battery self-heating, better maintain the battery temperature, ensure the vehicle driving ability, and the self-heating energy loss is small, the heat transfer is uniform, and the heating efficiency is high. In the second preset state, the battery energy processing device can also reuse the energy storage element and the inverter to form a voltage adaptation charging module, and control the inverter to charge the battery. That is, the battery charging and battery self-heating share a set of battery energy processing devices, realizing the multi-functional reuse of the battery energy processing device, saving component costs and volume space.

The utility model discloses a rotary evaporator which comprises a heating base, a water bath kettle is arranged on the heating base, a connecting base is arranged on one side of the heating base, a lifting device is arranged on the connecting base, and the lifting device comprises a fixed seat connected with the connecting base and a lifting platform vertically connected with the fixed seat in a sliding mode. A rotary seat is arranged on the lifting platform, a distillation bottle and a cooling bottle are respectively arranged on two sides of the rotary seat, the distillation bottle rotates around the central axis of the distillation bottle under the driving of the rotary seat, the bottle body of the distillation bottle is positioned in the water bath kettle, and a spiral pipeline is arranged on the distillation bottle along the surface of the bottle body; the distillation bottle is communicated with the cooling bottle through a rotating seat, and a collecting bottle is communicated below the cooling bottle. During rotary evaporation, high-temperature liquid in the water bath kettle enters the pipeline and flows along the bottle body, even if the bottle body of the distillation bottle rotates, the bottle body exposed out of the liquid level is continuously heated by the high-temperature liquid in the pipeline above the liquid level, and the evaporation efficiency is improved.

The invention discloses a power module heat dissipation structure, and relates to the technical field of power module heat dissipation. Heat dissipation of an existing power module cannot meet the heat dissipation requirement of millisecond-level thermal shock. The invention provides a power module heat dissipation structure which comprises a power module, the power module comprises a chip and a substrate below the chip, and the power module further comprises an upper heat dissipation part located above a source electrode area of the chip and a lower heat dissipation part located above a source electrode area of the chip; a phase-change material is arranged in the closed inner cavity of the upper heat dissipation part, the upper heat dissipation part is provided with a heat pipe framework, and the heat pipe framework is used for dissipating heat of the power module and transferring heat to the phase-change material. According to the invention, the heat pipe skeleton with the built-in phase-change material is used for replacing a common heat dissipation rack with a metal frame, so that the heat during overcurrent and overload can be conducted to the phase-change material in time, and the instant heat dissipation requirement is met.

The present invention discloses a geographic information surveying and mapping device and a surveying and mapping method thereof, and relates to the field of geographic information surveying and mapping technology. The geographic information surveying and mapping device and the surveying and mapping method thereof include a geographic surveying and mapping mechanism, and the geographic surveying and mapping mechanism includes a flatbed car, the top of the flatbed car is fixedly connected with the geographic information surveying and mapping device, the bottom of the flatbed car is fixedly connected with rollers, the outer wall of the flatbed car is fixedly connected with a placement and stabilization mechanism, and the outer wall of the roller is fixedly connected with an impurity cleaning mechanism. The geographic information surveying and mapping device and the surveying and mapping method thereof, by rotating the second bolt, the bottoms of the folding rods are interlaced with each other, and then the insertion thorns are inserted into the ground, which further ensures the fixation of the geographic information surveying and mapping device, and the interlacing of the folding rods is aimed at harder soil, and the folding rods can be stuck on the soil to provide a stable support for the flatbed car, and the movement of the folding rods will drive the movement of the extrusion plate.

The utility model relates to the technical field of collar processing, and discloses a three-dimensional shaping device for collar processing, which comprises a processing table, a rotary table is rotatably mounted in the middle of the processing table, a plurality of groups of mounting racks distributed at equal intervals are fixedly mounted on the outer side of the rotary table, and shaping mechanisms are mounted at the other ends of the plurality of groups of mounting racks; the shaping mechanism comprises a limiting column fixedly installed on the other side of the installation frame and an arc-shaped abutting frame fixedly installed at the other end of the limiting column. An electric push rod is driven to push a limiting ring in the shaping mechanism, so that the limiting ring slides on the outer side of a limiting column, meanwhile, supports located on the two sides of the limiting ring push limiting sliding blocks to move in limiting sliding grooves, and extrusion plates on the two sides of an arc-shaped abutting frame continuously get close inwards; the outer wall of the collar is firmly attached together through the two adjacent sets of extrusion plates and the arc-shaped abutting frames, the collar is shaped in cooperation with high temperature emitted by the outer wall of the heating box, and the collar shaping efficiency is effectively guaranteed.

The invention belongs to the technical field of down jackets, and discloses a heat and humidity balance fabric layer and a down jacket, the heat and humidity balance fabric layer comprises a moisture guide layer, a temperature control layer, liner cloth, a moisture removal and heat preservation layer and shell fabric which are sequentially arranged from inside to outside, the temperature control layer at least has a contraction state and an expansion state, and an exhaust channel is arranged between the moisture removal and heat preservation layer and the shell fabric; when the temperature control layer is in a contraction state, the exhaust channel is opened, and hot air can enter the exhaust channel through the moisture guide layer, the temperature control layer, the liner cloth and the moisture removal and heat preservation layer to be exhausted and drained; when the temperature control layer is in an expansion state, the temperature control layer expands to extrude the moisture-removing and warm-keeping layer so as to close the exhaust channel, and hot air loss is avoided. By means of the temperature control layer and the exhaust channels, the warm keeping performance and the heat and humidity comfort can be achieved at the same time, the three-wing circulation type distribution of the heat and humidity balance fabric layer on the down jacket can also increase the contact area between the down jacket and the human body, and then the moisture removal efficiency and the heat preservation effect are improved.

The invention relates to the technical field of temperature control, and discloses a BMS temperature control method and system, and the method comprises the steps: carrying out the multi-dimensional coupling of battery data, and obtaining a micro-region thermal state; predicting heat accumulation and generating a heat dissipation instruction based on load abrupt change superposition feedforward compensation; calculating heat distribution deviation evaluation stability according to the feedback signal; defining a lead compensation range by using a heat evolution model to generate parameter configuration; system response characteristics are obtained through calibration of the frequency spectrum and the state transition matrix; and fusing the temperature gradient distribution to generate a final advanced adjustment instruction. According to the method, accurate prediction and full-link advanced active intervention of micro-region thermal unbalance can be achieved, the problem of heat accumulation caused by load dramatic change is effectively solved through multi-dimensional feature coupling and a dynamic closed-loop calibration mechanism, and the system response speed and the temperature field balance are remarkably improved.

The invention discloses a rotary gas membrane separation device and a wastewater deammonification system thereof, belonging to the technical field of wastewater treatment. The rotary gas membrane separation device comprises an inner sleeve and an outer sleeve which are rotatably connected, and the inner sleeve and the outer sleeve are divided into a first exhaust chamber, a heating chamber and a second exhaust chamber by a sealing bearing; a water inlet pipe and a water outlet pipe are arranged on the inner sleeve, and a first gas collecting chamber, a degassing chamber and a second gas collecting chamber are formed in the inner sleeve by a check valve, and a separation filter element is arranged in the degassing chamber. The wastewater deammonification system comprises a wastewater tank, a liquid supply bracket, a liquid discharge bracket, a mounting bracket, a rotary gas membrane separation device and a rotating mechanism, and the liquid supply pipe exchanges heat with the gas discharged from the outer sleeve through a heat exchanger. A low-boiling point physical evaporation treatment technology is formed, which can be widely used for the separation of elements below the boiling point of water (such as ammonia element), and the concentration of recovered ammonia is ensured. The rotation of wastewater can prolong the treatment time, prevent particulate matter from clogging the membrane pores, and ensure the element recovery efficiency and recovery rate.

The utility model belongs to the technical field of heat energy, and discloses a shielding assembly of a solar heat collector. The solar heat collector shielding assemblies are arranged on the solar heat collector header and used for shielding the solar heat collectors, the two solar heat collectors are arranged on the left side and the right side of the solar heat collector header, and each solar heat collector is provided with one solar heat collector shielding assembly in a matched mode. The solar heat collector shielding assembly comprises two rotating shafts, the two rotating shafts are arranged on the two sides of the solar heat collector correspondingly, one rotating shaft is sleeved with a sunshade roller blind, one end of the rotating shaft is connected with the output end of a motor A, and the other end of the rotating shaft is connected with a driven wheel; one end of the other rotating shaft is sleeved with a gear, and the other end is provided with a driving wheel; the gear is connected with the output end of a motor B. The driving wheel and the driven wheel are connected through a chain, and the motor A and the motor B are one-way motors. And the pipe explosion condition of the solar heat collector in the idle sunning state due to environmental factors is avoided.

The utility model discloses a bio-organic fertilizer fermentation tank, which belongs to the technical field of bio-organic fertilizer fermentation and comprises a material turning mechanism and a bottom plate horizontally arranged in a tank body, a plurality of through holes are formed in the bottom plate, filter screens are arranged in the through holes, the material turning mechanism is arranged on the tank body, and the material turning end of the material turning mechanism extends into the tank body and is positioned above the bottom plate. The water supplementing mechanism is arranged on the pool body, the water supplementing end of the water supplementing mechanism extends into the pool body and is located above the bottom plate, the hot air mechanism is arranged on the pool body, the hot air end of the hot air mechanism extends into the pool body and is located below the bottom plate, a water outlet is formed in the pool body, and a sealing cover is arranged at the water outlet. According to the bio-organic fertilizer fermentation tank disclosed by the utility model, when a bio-organic fertilizer pile needs to be turned over, the fertilizer pile can be turned over through the material turning mechanism, so that the fermentation efficiency of the bio-organic fertilizer is improved. Due to the fact that redundant water of the bio-organic fertilizer is discharged in the initial fermentation stage, the water is filtered through the through holes and is discharged out of the tank body from the water outlet, and the filter screen can prevent the bio-organic fertilizer from falling into the water outlet from the through holes.

The invention discloses a full-biodegradable mulching film and a preparation method thereof. The full-biodegradable mulching film is prepared from the following raw materials in parts by weight: 15 parts of polylactic acid, 70 parts of poly (adipic acid) / butylene terephthalate, 10 parts of modified starch, 2 parts of talcum powder, 2 parts of a chain extender, 0.2 part of an antioxidant, 0.2 part of an anti-aging agent, 0.2 part of an ultraviolet light absorber and 0.4 part of a light stabilizer. The environment-friendly plastic film has the advantage of being environmentally friendly, and the problems that in the process that an existing plastic film is used as a mulching film, part of the plastic film is likely to be left in planting soil, the film is difficult to degrade by the soil, and the soil environment is polluted are solved.

The invention discloses a brake pad multi-angle grinding lathe and belongs to the technical field of brake pad grinding lathes, the brake pad multi-angle grinding lathe comprises a lathe bottom plate, a rotating part, a fixing part, a grinding part and a cooling part, a protective cover is fixedly connected to the upper surface of the lathe bottom plate, a door plate is hinged to the outer surface of the protective cover through a hinge, and the rotating part is arranged in the protective cover; two electromagnets are started through a control panel to generate a positive magnetic field, meanwhile, a magnetic sliding block generates negative magnetism, the magnetic sliding block is promoted to slide in a sliding rail, a grinding block is made to abut against a brake pad body, meanwhile, a driving motor and a rotating rod are matched with each other to drive the brake pad body to rotate, and therefore the brake pad body is ground; when the temperature sensor detects that the temperature exceeds a preset value, the control panel drives the electromagnet to generate a reverse electrode, the magnetic sliding block is promoted to drive the grinding block to move, a gap is generated between the grinding block and the brake pad body, and friction and heat generation are reduced.

The invention relates to the technical field of reaction kettles, in particular to a circular pyrolysis reaction kettle based on uniform distribution of medium pipe rings, which comprises support legs, a heating furnace arranged at the top of the support legs, limiting plates arranged at two ends of the heating furnace, a reaction kettle arranged in the heating furnace, and a deslagging structure arranged in the heating furnace. A heating structure is arranged in the heating furnace, a material pushing structure is arranged on the side face of the heating furnace, in the reaction kettle for circulating pyrolysis, the functional medium pipe is continuously heated through the heating furnace, and meanwhile, the heating temperature of the heating furnace can be discharged into the reaction kettle from the medium outlet; one part is used for keeping the circulating functional medium in the functional medium pipe in a high-temperature state all the time, and the other part is used for further increasing the temperature of the stirred material when the reaction kettle stirs the material, so that the stirring reaction effect of the reaction kettle and the temperature transfer effect of the functional medium are improved.

The utility model relates to the technical field of plastic film processing, in particular to a down-blowing low-temperature stretch film stretch forming device which comprises a machine frame, a discharging film piece capable of evenly discharging is arranged on the machine frame, the discharging film piece conducts down-blowing discharging on film materials, and a guide pipe which corresponds to the discharging film piece and can guide the film materials to move is arranged in the machine frame. A cooling structure which is connected with the guide pipe and can cool the film material is arranged in the machine frame, a placing frame is arranged below the machine frame, and a tractor which is matched with the cooling structure and can conduct traction forming on the film material is arranged in the placing frame. Compared with the prior art, the down-blowing low-temperature stretching film stretching forming device can cool a film material in the film blowing process, can ensure the temperature of water in the placing groove in the guide pipe all the time, avoids the influence of the temperature rise of the water on the processing and forming of the film material, can circularly process the water, avoids the waste of water resources, and is convenient to use. And the economic benefits of manufacturers are improved to a certain extent.