162results about How to "Save space cost" patented technology

The invention relates to the technical field of education informatization, and discloses a digital teaching resource library intelligent management and application method and system. The method comprises the steps of constructing a digital resource library, constructing a resource application big data analysis model to calculate a resource quality index, a popularity index and an update index, performing intelligent resource sorting and elimination based on the indexes, analyzing the correlation between a user retrieval request and resources, and performing intelligent recommendation. According to the method, efficient management and accurate application of teaching resources are realized, the resource utilization rate and the teaching effect are improved, the storage space and the management cost are saved, and data support is provided for education decision making.

The utility model relates to a coaxial double-motor power dividing hybrid power system structure. The transmission comprises a wheel output shaft, an engine input shaft, a GM motor, a TM driving motor, a GM motor sun gear, a GM motor planet gear, a TM motor sun gear, a TM motor planet gear and a gear ring. The engine input shaft is connected with the GM motor planet wheel through a planet carrier, one end of the GM motor planet wheel is meshed with the gear ring, the other end of the GM motor planet wheel is meshed with the GM motor sun wheel, and the GM motor sun wheel is connected with the GM motor through a GM motor shaft; the TM driving motor is connected with the TM motor sun wheel through a TM motor shaft, the TM motor sun wheel is meshed with one end of the TM motor planet wheel, and the other end of the TM motor planet wheel is meshed with the gear ring; and the gear ring is connected with the wheel output shaft.

The invention discloses a dual-motor hybrid power transmission system for medium and large tractors. The dual-motor hybrid power transmission system comprises an engine, an intermediate shaft, a main motor, an auxiliary motor, a power coupling device, a variable-speed transmission mechanism and a PTO output shaft, the double input ends of the power coupling device are connected with the auxiliary motor and the main motor respectively, power of the main motor can be directly input into the power coupling device, and power of the auxiliary motor is input into the power coupling device through the intermediate shaft and the second clutch. Total power is output to a PTO output shaft through an intermediate shaft and output to a variable speed transmission mechanism through a second row of planetary wheels, rotating speed coupling of the engine and the double motors can be carried out through a power coupling device, different driving modes are achieved, the system is compact and efficient in structure, the efficient and cooperative stepless speed regulation characteristic of multiple power sources is fully utilized, and the power efficiency is improved. The gear requirement of the system is reduced, the space cost is optimized, the chassis specific power is remarkably improved, and the efficient transmission purpose is achieved; and under the high-load working condition, the engine is matched, and power output is balanced.

The invention relates to a molten steel slag centrifugal granulation treatment and waste heat recovery system which is characterized in that a slag inlet is formed in the top of a centrifugal granulation bin, a rotating disc and a rotation driving motor are arranged in the centrifugal granulation bin, the rotating disc is arranged below the slag inlet, and the rotating disc is driven by the rotation driving motor; the low-melting-point eutectic metal self-flowing bed waste heat boiler is arranged below the centrifugal granulation bin, a self-flowing bed waste heat boiler heat exchange pipe is arranged in the low-melting-point eutectic metal self-flowing bed waste heat boiler, and low-melting-point eutectic metal is loaded in the self-flowing bed waste heat boiler heat exchange pipe. High-grade waste heat recovery of the high-temperature molten steel slag is achieved, the blank of heat energy recovery of a steel mill is filled up, and energy conservation, emission reduction and carbon reduction of the steel mill are greatly promoted. The two links of centrifugal granulation treatment and waste heat recovery are comprehensively and integrally designed, the structure is simpler and more compact, the efficiency is higher, operation is easy and convenient, the production implementation process is safe, and the device can be applied and popularized in ferrous metallurgy enterprises.

The invention discloses a quick self-cleaning fish bucket culture pond which comprises a fish bucket pond, the fish bucket pond comprises a cylindrical bucket body and an inverted-cone-shaped bucket bottom, a sewage discharge pipe is arranged at the bottom of the inverted-cone-shaped bucket bottom, a water discharge pipe is arranged on the lower portion of the cylindrical bucket body, and a plurality of water pushing pipes are arranged on the outer side of the fish bucket pond. The bottom of the water pushing pipe is connected with an external water inlet pipe, a sewage draining siphon device is arranged in the middle of the fish barrel pool, and an opening is formed in the center of the bottom of the inverted-cone-shaped barrel bottom. Through the design of the cylindrical-conical combined working area of the fish bucket culture pond, the water pushing pipe and the pollution discharge siphon device of the fish bucket pond, fish excrement and residual feed can be quickly sucked, discharged and separated from culture water, and conversion of solid organic pollutants into water-soluble pollutants in the water is greatly reduced; meanwhile, a culture area and a pollutant precipitation and solid-liquid separation area generated in culture are combined into a whole, so that the construction space and the construction cost are greatly saved.

The embodiment of the invention provides a high-low humidity step switcher and method for testing the performance of a humidity sensor. The device is applied to the technical field of sensor performance detection and comprises a sealing cylinder, a sealing cover, a sealing plug, a push-out device, a detected humidity sensor and a gas pipeline, the sealing barrel is of a barrel-shaped structure with two through ends, one end of the sealing barrel is buckled with a sealing cover, and the other end is fixedly connected with a sealing plug, so that the sealing barrel forms a closed space; one end of the push-out device is fixedly connected with the sealing cover, and the other end of the push-out device penetrates through the sealing plug and then is connected with a gas pipeline; a detected humidity sensor is mounted on the push-out device; and the gas pipeline is used for pumping out gas in the sealing cylinder or introducing external humidity gas. In this way, the humidity environment can be rapidly switched, the step starting point can be accurately indicated, and therefore the testing efficiency and precision of the tested humidity sensor are effectively improved.

The invention discloses a system and a method for testing thermal cycle characteristics of multidirectional horizontal pipelines of a nuclear power plant, the system comprises a circulating water path and a pressure stabilizing water path, the circulating water path comprises the multidirectional horizontal pipelines (1a, 1b), paired pressure signal detectors (17a, 17b), pipeline heaters (14a, 14b, 14c) and a pipeline heat exchanger (3), and the pressure stabilizing water path comprises a cooling water supply system (18) and a pressure stabilizer (23); the circulating water path is communicated with the pressure stabilizing water path, and the number of the multi-direction horizontal pipelines (1a and 1b) is more than two. The thermal cycle characteristics of the upstream horizontal pipeline, the lateral horizontal pipeline and the downstream horizontal pipeline connected with the main pipeline under the conditions of different temperatures, pressures and volume flows can be researched more effectively, conveniently and accurately, and data support and reference are provided for design optimization of the multi-direction horizontal pipeline of the nuclear power station.

The utility model discloses continuous biological activated carbon filtering equipment for removing microplastics in sewage, and relates to the technical field of microplastic removal and activated carbon. The continuous biological activated carbon filtering equipment comprises a filtering device, a lifting device is arranged at the upper end of the filtering device, the filtering device comprises a box body, and a water inlet and a water outlet are formed in the left end and the right end of the box body respectively. According to the continuous biological activated carbon filtering equipment for the micro-plastics in the sewage, the sewage is input through the water inlet, the water flow path is limited through the baffle, and the granular micro-plastics are adsorbed through the granular activated carbon I, the bentonite and the granular activated carbon II in sequence, so that the treatment capacity is improved; a sliding rod is pressed, the sliding rod drives a spring to be compressed, meanwhile, a sampling pipe is driven to extend into the water treated by the box body for sampling, and a clamping ring is taken down, so that the water in the water outlet is sucked by a water suction pump and flows back through a guide pipe for secondary adsorption, and therefore, the effects of saving space and use cost and improving sewage treatment capacity are achieved. The effect of facilitating sampling detection is achieved.

The invention discloses a stateless multicast method and system based on a multi-layer bloom filter. The method comprises the following steps that: sending equipment divides multicast trees according to a layer sequence, judges the proportion of a forwarding port in all ports of the whole layer for each multicast tree layer, and encodes the layer into a three-layer positive multi-layer Bloom filter (PMBF) or a two-layer negative multi-layer Bloom filter (NMBF) according to the situation, after the multicast tree is coded, the filters form a label according to the hierarchical sequence of the multicast tree, and the label is added into a data packet header to be sent; and the switching equipment receives the data packet, analyzes the label of the data packet header, takes out the byte string of the first filter, deserializes the byte string to construct the filter, selects a query method according to the type of the filter after obtaining the filter, queries all ports in sequence, identifies all ports needing to be forwarded based on a query result, and forwards data. According to the stateless multicast method, the occupied space of the data packet header is low, and the stateless multicast method is almost lossless.

The invention relates to the field of new energy automobiles, in particular to a control driving circuit, a vehicle-mounted high-voltage distribution box and a control driving method.The control driving circuit comprises a driving module, a control module, an on-off driving circuit and an on-off assembly, the driving module is connected with the control module and used for receiving a control signal sent by the control module, and the on-off driving circuit is connected with the control module; the on-off component is driven to be switched on or switched off according to the control signal; the monitoring module comprises a current sampling module and a temperature sampling module, one end of the monitoring module is connected with the output end of the on-off assembly, the other end of the monitoring module is connected with the control module through a bus, and the monitoring module is used for collecting current and circuit temperature in a circuit and feeding back the current and the circuit temperature to the control module; the control module is connected with the driving module and the monitoring module, and is used for generating a control signal according to a signal fed back by the monitoring module, sending the control signal to the driving module, and controlling the driving module to be switched on or switched off. The circuit structure is simple, the structural size is small, and working conditions such as short circuit, overload and over-temperature can be judged more accurately and rapidly.

The invention discloses a solid state disk storage wear leveling control method and device, and relates to the field of solid state disk wear leveling control, and the method comprises the steps: screening out a plurality of first target blocks which are not accessed in a solid state disk within a preset time threshold value, and determining the corresponding access times; obtaining storage data and residual capacity of the first target block with the access times smaller than a first preset threshold value; integrating all the target blocks according to the storage data and the residual capacity to obtain a plurality of second target blocks; and migrating the data in the second target block to a third target block of which the access frequency is between the first preset threshold value and the second preset threshold value. By implementing the method, data storage can be dynamically adjusted according to the access frequency of the data block, cold data which is not accessed for a long time is integrated and migrated, the problem that local abrasion is aggravated due to the access frequency difference is solved, and the service life of the solid state disk is prolonged.

The invention relates to the technical field of holographic imaging, and discloses a single-frame phase shift off-axis digital holographic phase determination method and device, and the method comprises the steps: carrying out the preprocessing of an original off-axis hologram, and generating an off-axis hologram; processing the off-axis hologram to obtain a first off-axis hologram and a second off-axis hologram with different phase shift amounts; respectively carrying out image processing on the off-axis hologram, the first off-axis hologram and the second off-axis hologram to obtain an original complex amplitude result, a first complex amplitude result and a second complex amplitude result containing real image information; according to the original complex amplitude result, the first complex amplitude result and the second complex amplitude result, simulating to generate a reference light diagram only containing carrier information; and multiplying the reference light pattern only containing carrier information by the original off-axis hologram, and filtering high-frequency carrier information through a filtering algorithm to obtain phase information of the to-be-detected sample. Through a digital phase shift technology and a filtering technology, high-quality reconstruction of an off-axis digital holographic technology can be realized only through a single-frame off-axis hologram.

The stacking device for food additive processing comprises a plurality of bottom placing frames and a top placing frame, a plurality of placing plates are fixed in the bottom placing frames and the top placing frame, a plurality of grooves are formed in the placing plates, stacking plates are placed on the upper sides of the placing plates, the stacking plates correspond to the grooves, and the stacking plates are arranged in the grooves. And anti-falling assemblies are arranged on the stacking plates, sliding rails are arranged on the side faces of the bottom containing frame and the top containing frame correspondingly, stacking moving assemblies are arranged on the sliding rails in a sliding fit mode, and the stacking moving assemblies correspond to the grooves. According to the food additive stacking device, the containing plates are installed in the bottom containing frame and the top containing frame, the stacking plates are placed on the containing plates, the anti-falling assemblies are installed on the stacking plates, food additives on the stacking plates can be prevented from falling off, the sliding rails are installed on the side faces of the bottom containing frame and the top containing frame, and the stacking moving assemblies are driven to move through the sliding rails; therefore, the stacking plate and the food additives can be driven to move up and down.

The invention relates to a vacuum system in a pulse power device, and provides a magnetic insulation induced voltage superposition device with axial vacuum degree consistency in order to solve the problems that an existing vacuum system cannot reach a target vacuum degree and is poor in uniformity, the magnetic insulation induced voltage superposition device comprises a cantilever supporting section, a plurality of groups of induction cavities and an isolation extension section which are coaxially connected in sequence, the vacuum cavity assemblies and the vacuum pump assemblies are arranged between the connecting ends; the vacuum cavity assembly comprises a vacuum cavity and a connecting cylinder, and the connecting cylinder is used for connecting the vacuum cavity assembly to the connecting ends in an inserted mode. A plurality of interface flanges are arranged on the outer side circumferential surface of the vacuum cavity, and a plurality of through holes are formed in the outer side circumferential surface of the connecting cylinder in the radial direction; the vacuum pump assembly comprises a plurality of molecular pumps, a vortex dry pump, a pre-pumping valve and an isolating valve, the molecular pumps are connected with the vacuum cavity through interface flanges, one end of the vortex dry pump is connected with the vacuum cavity through the pre-pumping valve, the other end of the vortex dry pump is connected with the molecular pumps through the isolating pump, and the vortex dry pump is used for controlling the molecular pumps to perform high vacuum pumping treatment.

The invention discloses a printed circuit board capable of saving wiring space, and belongs to the technical field of printed circuit boards. Comprising a hole ring bonding pad arranged on the welding face of the printed circuit board, a board edge drilling hole is formed in the hole ring bonding pad, one side of the board edge drilling hole is tangent to a first connecting board, the other side of the board edge drilling hole is tangent to a second connecting board, and the board edge drilling hole is used for conducting the internal layer faces of the first connecting board and the second connecting board. The technical scheme has the beneficial effects that the circuit conduction between the layers of the printed circuit board is realized through the board edge drilling, the number of blind holes in the board is reduced, the appearance of the printed circuit board is not changed, and the wiring space and the design cost of the printed circuit board are saved.

The invention discloses an oil pump system of a two-channel EUC controller, and relates to the field of oil pump control, in order to achieve the purpose, according to the technical scheme, the oil pump system comprises an oil pump and a controller; the two oil pumps are located in the oil tank, the output ends of the two oil pumps are communicated to a header pipe, the header pipe is communicated to an oil rail, the controller is electrically connected with the two oil pumps, and the controller is connected to an ECU through a CAN bus cable. The controller is electrically connected with the two oil pumps, control over the two oil pumps is achieved through control logic, and more space and manufacturing cost are saved.

The invention relates to the technical field of manufacturing of silver alloy wires for ICs, in particular to a manufacturing process of the silver alloy wires for the ICs, which comprises the steps that a clamping mechanism is arranged on the upper side of a detection table, and a bending mechanism, a stretching mechanism and a twisting mechanism are arranged on the clamping mechanism; the lower end of a to-be-detected silver alloy wire can be synchronously and stably clamped through a lower clamping assembly in the clamping mechanism, meanwhile, the upper end of the corresponding silver alloy wire can be clamped and fixed through an upper clamping assembly in the clamping mechanism, and the upper end of the corresponding silver alloy wire can be synchronously connected with a corresponding bending mechanism, a stretching mechanism or a twisting mechanism in a positioning mode; according to the invention, the driving mechanism is synchronously matched and linked with the bending mechanism, the stretching mechanism and the torsion mechanism, so that multiple mechanical properties such as bending resistance, stretching resistance and torsion resistance of the silver alloy wire can be synchronously detected; according to the invention, a single driving source is used for driving, so that the detection of various mechanical properties such as bending resistance, stretching resistance and torsion resistance of the silver alloy wire can be realized.

This utility model relates to the field of display rack technology and discloses a foldable promotional display rack, including two first support plates and two second support plates. Each of the two first support plates has a limiting block rotatably mounted on an opposite side. Each limiting block has a slider rotatably mounted near its front end on an opposite side. Each of the two second support plates has a sliding groove on an opposite side. Each of the two second support plates has a first bolt threaded to its lower front end. Each of the two first support plates has multiple first folding blocks rotatably mounted on an opposite side, and each of the two second support plates has multiple second folding blocks rotatably mounted on an opposite side. In this utility model, the foldable design of the promotional display rack significantly reduces its volume when not in use, saving space in both warehousing and transportation. This not only reduces the company's operating costs but also facilitates flexible deployment in different locations, quickly adapting to diverse promotional scene layout needs.

This invention belongs to the field of photovoltaic automation technology and discloses a robotic pre-static curing warehouse. It includes several stationary positioning racks evenly distributed around the circumference, with a transport robot positioned at the center. The circular warehouse area formed by the stationary positioning racks has four directional channels for crystal tray / adhesive plate input rollers, crystal rod input rollers, cured material output rollers, and a maintenance channel. The transport robot has a multi-functional gripper at its end. The robotic pre-static curing warehouse solves the problems of long adhesive curing time, the need for material transfer after alignment, and low precision after bonding in existing technologies, while also improving space utilization and accelerating production cycle time.

The present invention relates to the technical field of elevators, and in particular to a main frame of a home elevator, comprising a bottom frame, a shaft frame connected to the bottom frame, a power frame located at the top of the shaft frame, a track located inside the shaft frame, a speed limiter for speed limiting, a traction machine installed on the power frame, and an inspection box located inside the shaft frame; the shaft frame comprises shaft columns and shaft beams connected to the shaft columns, the bottom of the shaft columns is connected to the bottom frame, and the top of the shaft columns is connected to the power frame. The main frame of the home elevator provided by the present invention replaces the traditional elevator pit, shaft, and machine room through the bottom frame, shaft frame, and power frame, which is convenient for installation and transportation, while saving space and production costs, has low requirements on the installation environment, and expands the application range of the elevator.

The utility model discloses a water filter which comprises a water inlet header pipe, a water outlet header pipe and a plurality of tank bodies, water inlet branch pipes are connected to the upper ends of the tank bodies, the upper ends of the water inlet branch pipes are connected with the water inlet header pipe, water inlet electromagnetic valves are arranged on the water inlet branch pipes, water outlet branch pipes are connected to the upper portion of the water outlet header pipe, and the upper ends of the water outlet branch pipes extend into the tank bodies and are connected with filters. The side face of the tank body is connected with a drainage pipe which is provided with a drainage electromagnetic valve. According to the utility model, water can be effectively filtered.

The embodiment of the specification discloses a high-imitation fake certificate detection method, comprising: acquiring multiple frames of certificate images under different environments collected by a client; performing block division on each frame of certificate image respectively by using the same division mode; performing feature extraction on each block in each frame of certificate image to obtain block features corresponding to each block respectively; performing spatial coding on the features of each block according to the position of each block in the certificate image to obtain spatial features corresponding to each block in the certificate image; for each position divided in any certificate image, performing time coding on the spatial features of the blocks located at the position in different frames of certificate image to obtain space-time features corresponding to the position, so as to represent the changes of the part in the certificate located at the position under different environments; and judging whether the certificate is a fake certificate according to the space-time features corresponding to each position respectively. Accordingly, the application discloses a high-imitation fake certificate detection device.

The pump core assembling machine comprises a workbench, and the workbench is used for installing a pump body feeding assembly, a glass bead feeding assembly, a spring feeding assembly, a combined feeding assembly, a connecting piece feeding assembly, a main disc assembly and an auxiliary disc assembly; the pump body feeding assembly comprises a pump body feeding disc and a pump body feeding rail. The pump body feeding disc is used for conveying pump bodies to the auxiliary disc assembly along the pump body feeding rail. The glass bead feeding assembly is used for conveying glass beads to the auxiliary disc assembly. The spring feeding assembly comprises a spring feeding disc and a spring feeding rail. The spring feeding disc is used for conveying springs to the auxiliary disc assembly along the spring feeding rail. The auxiliary disc assembly is used for installing a spring and a glass bead into the pump body, the spring is located above the glass bead, the auxiliary disc assembly is further provided with a transition feeding rail, and the auxiliary disc assembly is used for transferring the assembled pump body to the main disc assembly along the transition feeding rail; the combined feeding assembly comprises a combined feeding disc and a combined feeding rail. The combined feeding disc is used for conveying the combined parts to the main disc assembly along the combined feeding rail. The connecting piece feeding assembly comprises a connecting piece feeding disc and a connecting piece feeding rail. The connecting piece feeding disc is used for conveying connecting pieces to the main disc assembly along the connecting piece feeding rail. The main disc assembly comprises a pressing piece and a moving rail, and the pressing piece moves along the moving rail and sequentially presses the assembling piece and the connecting piece into the pump body.

The invention discloses a tailstock type vertical take-off and landing aircraft with foldable outer-section wings and a design method of the tailstock type vertical take-off and landing aircraft, the outer-section wings can be folded and unfolded by matching a folding and unfolding driving mechanism with a four-bar mechanism, and the weight brought by a folding device is reduced on the premise of ensuring driving force and maintainability; when the wings are completely folded, the aircraft is in a four-rotor state, and when the wings are completely unfolded, the aircraft is in a fixed-wing state; the folding and unfolding of the wings give consideration to the conversion of the flight form, and the folding of the outer-section wings is realized on the premise of ensuring the reasonable gravity center and inertia of the fixed wing state and the rotor wing state at each folding and unfolding angle through the reasonable configuration of the gravity center of each shaft of the vertical take-off and landing aircraft, so that the space cost of the aircraft is reduced.

The utility model discloses a flue gas desulfurization and dust removal filter, and relates to the technical field of flue gas treatment equipment. The device comprises a shell, a fixing block, a water conveying cavity and a top shell, the water conveying cavity is fixed to the lower portion of the inner wall of the shell, a spiral plate is fixed to the bottom end of the water conveying cavity, the end of an outer ring of the spiral plate is fixed to the inner wall of the shell, an air inlet pipe is fixed to the position, below the water conveying cavity, of the shell in a penetrating mode, and the fixing block is fixed to the position, above the water conveying cavity, of the inner wall of the shell. A top shell is arranged at the top end of the water conveying cavity, a second annular mounting ring is fixed to the bottom end of the top shell, a filtering disc is fixed to the bottom end of the second mounting ring, and the diameter of the filtering disc is equal to the inner diameter of the shell. By arranging the outer shell, the fixing block, the water conveying cavity and the top shell, the problems that the adsorbent replacement period is short, the treatment cost is high in the flue gas treatment process, the flue gas can be discharged only after being filtered after being subjected to adsorption treatment, a plurality of devices are needed to be matched, and the space cost of the devices is high are solved.

The invention discloses a reciprocating type self-cleaning photocatalysis device and method for purifying aquaculture tail water. The device comprises a transmission lead screw, a self-cleaning nut assembly, a self-sweeping sponge wiping assembly, a filter cartridge, a filter residue collecting box and a water tank. The transmission lead screw is vertically installed in the water tank and is driven by the power source to rotate, the filter cylinder is coaxially embedded in the transmission lead screw, the filter residue collecting box is installed at the upper end of the water tank, the self-cleaning nut assembly is assembled on the transmission lead screw through a nut of the self-cleaning nut assembly and located below the self-sweeping sponge wiping assembly, and the self-sweeping sponge wiping assembly is coaxially embedded in the upper end of the transmission lead screw. A photocatalytic degradation chamber is arranged at the lower end part of the water tank, a water inlet pipe is arranged on the top surface of the water tank, a first electromagnetic valve is arranged on the water inlet pipe, a water outlet pipe is arranged at the lower end part of the water tank, and a biosensor and a second electromagnetic valve are arranged on the water outlet pipe. The aquaculture tail water purification device can effectively complete purification work of aquaculture tail water.

The invention provides a rail transit subway driving simulation system, which comprises a simulation bridge used as a hardware framework for supporting hardware equipment of a control system so as to provide a highly real field hardware environment for a user; the set of control system comprises a computer, a main controller and a plurality of peripherals; and the set of simulation software is used for communicating with the main controller and executing corresponding commands, and comprises vehicle system simulation software and signal system simulation software. According to the rail transit subway simulation driving system, simulation of a vehicle system and a signal system is completed from software, software fusion is carried out, a single computer is used, workbench design is reduced, complex communication quantity and communication protocols are avoided, research and development cost, equipment cost and space cost are saved, and operation experience consistent with that of a real vehicle is achieved; comprising train door opening and closing, pantograph lifting, traction braking, fault setting, fault processing evaluation, train real fault query and the like.

The invention discloses a low-temperature-resistant hericium erinaceus strain rich in triterpenes and proteins and a cultivation method of the low-temperature-resistant hericium erinaceus strain, relates to the field of biology, and aims to solve the problems that in the prior art, a hericium erinaceus variety which is high in protein yield, high in triterpenes yield, resistant to low temperature and good in commodity is lacked, and an existing cultivation management mode is difficult to meet the high-yield and income increasing effects. The invention provides hericium erinaceus QAHT-2 which is preserved in the China General Microbiological Culture Collection Center on January 3, 2023, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.40372. The invention further provides a preparation method of the hericium erinaceus QAHT-2. The hericium erinaceus QAHT-2 has the advantages that the hericium erinaceus QAHT-2 can be used for preparing the hericium erinaceus QAHT-2; the hericium erinaceus strain QAHT-2 is obtained through separation and domestication, and hyphae of the hericium erinaceus strain QAHT-2 grow fast and are robust; the low-temperature environment adaptability is high, fruiting can be achieved at the temperature of 10-25 DEG C, and fruiting bodies still present snow white in the low-temperature environment. The fruiting body of the hericium erinaceus strain provided by the invention has higher protein content and higher triterpenoid content, and has higher edible and medicinal values.

The utility model relates to the technical field of diammonium phosphate production, specifically relates to a kind of diammonium phosphate uniform dispersion cooling equipment, including workbench main body, the top of the workbench main body is fixedly connected with breaker, the front end of the breaker is fixedly connected with hopper, the front end of the workbench main body is fixedly connected with cooling tank, the inside of the cooling tank is equipped with first cooling assembly, the bottom of the cooling tank is fixedly connected with discharge pipe, the outside of the discharge pipe is equipped with second cooling assembly, compared with the existing cooling equipment, rotating rotating plate is like a group of broom or beater, falling, possibly caking diammonium phosphate material is constantly scattered, scraped flat, prevent its accumulation in tank over-thickness or form dead zone, greatly increase the surface area and fluidity of material, three major functions of stirring, crushing, cooling are integrated on a rotating body, compact structure, without additional configuration stirring motor and complex air duct system, save space and manufacturing cost.

The utility model discloses a waterproof integrated stepping motor which comprises a stepping motor body, an encoder, a rear end cover, a PCB adapter plate, a driver, a driving cover, an aviation socket, an aviation plug cover and a waterproof electric connector, the rear end of the stepping motor body is connected with the rear end cover, one end of the encoder is connected with an output shaft of the motor body, and the other end of the encoder is connected with the PCB adapter plate. The other end of the encoder is installed in the rear end cover, the rear end of the rear end cover is provided with the driving cover, the upper end of the rear end cover is provided with the navigation socket, the upper end of the navigation socket is provided with the navigation socket cover, the rear end of the navigation socket is provided with the waterproof electric connector, and the PCB adapter plate and the driver are installed in the rear end cover and the driving cover. The rear end of the driving cover is provided with a plurality of horizontal heat dissipation grooves and vertical heat dissipation grooves, and heat dissipation nails are formed between the horizontal heat dissipation grooves and the vertical heat dissipation grooves, the internal electrical wiring cable is shortened, the electromagnetic compatibility and the heat dissipation performance are improved, and the wiring convenience of the motor is also improved.