28 results about "Open air environment" patented technology

The invention discloses a water level control device suitable for a rice and shrimp field, and belongs to the technical field of rice and shrimp cultivation, the water level control device comprises a first connecting column, a photovoltaic mechanism is mounted on the top surface of the first connecting column, a power supply mechanism is arranged at the top of one side of the first connecting column, the power supply mechanism is electrically connected with the photovoltaic mechanism, and a water level control mechanism is arranged at the bottom of the first connecting column. The water level control mechanism comprises a first connecting box fixedly connected with the first connecting column, a water inlet part and a water outlet part are arranged in the first connecting box, a water level control part is further arranged in the first connecting box and comprises a first connecting pipe communicated with the bottom of the first connecting box, and a water level monitoring piece is arranged in the first connecting pipe. The water level control mechanism adjusts the water level of the rice and shrimp field through the water inlet part / water outlet part in the first connecting box. The water level monitoring piece in the first connecting pipe slides along with water level lifting to trigger the limiting part to act. The integration of photovoltaic power supply and water level automatic control can be realized, manual intervention is reduced, and the outdoor environment requirements of rice and shrimp fields are met.

The utility model relates to a resistor box body, in particular to a heat dissipation window for the resistor box body, which solves the problems that the open-air environment is not considered in the design of the heat dissipation window of the existing resistor box body, and sand and dust are easy to gather in an air duct of the heat dissipation window, so that the through-flow area is reduced, and the heat dissipation is influenced. The projection parts of the second vertical sections of the S-shaped shutter strips located at the top and the projection parts of the first vertical ends of the S-shaped shutter strips located at the bottom in the plane where the first vertical sections or the second vertical sections are located coincide; the two flow guide plates guide the hot air to enable the hot air to flow to the outside, if external sand and dust enter the resistance box, the sand and dust need to move upwards against the gravity, the flow guide plates block the sand and dust, part of the sand and dust can fall on the second flow guide plate, and the included angle between the first flow guide plate and the first vertical section is 100-170 degrees; and the included angle between the second guide plate and the second vertical section is 100-170 degrees, so that a large amount of dust cannot be gathered, and smooth through-flow is ensured.

The utility model relates to an adjustable multimedia display support for an outdoor sports venue, and relates to the field of multimedia display supports. The device comprises a ground base, a positioning ring base is installed on the upper end face of the ground base and fixedly connected with the ground base, a rotating support is installed on the upper end face of the positioning ring base and rotationally connected with the positioning ring base, and a motor for driving the rotating support to rotate is further installed in the center of the ground base. A display bracket is arranged above the rotating support in a sleeved mode and connected with the rotating support in a sliding mode. Through driving of the motor and the electric cylinder, the height and the rotation angle of the display equipment can be conveniently adjusted, the watching requirements of different audiences are met, and the watching experience of the audiences is improved. Due to the design of the supporting foot bases of the ground base and the reasonable connecting structure of all the components, the stability of the whole support in the open air environment is guaranteed, and the support can bear certain external force and does not topple over.

The utility model discloses a waterproof lamp belongs to the field of lighting appliance, including the lamp cup, install the rotary ring on the lamp cup, install the adjusting switch in the lamp cup, the inboard of rotary ring is equipped with the adjusting portion with the position adaptation of adjusting switch, still be equipped with the movable opening at the adjusting switch on the lamp cup, be equipped with the waterproof tank between rotary ring and the lamp, install the sealing washer in the waterproof tank, through setting up the waterproof tank and sealing washer between rotary ring and the lamp, the rainwater is blocked to enter the lamp cup inside, avoids the lamp damage, has solved the problem that the lamp with the knob under the open -air environment of prior art is easy to damage due to the lack of waterproof structure, the water.

The invention belongs to the technical field of building materials, and provides gel material mixing equipment which comprises a belt conveyor, a material tank, an electric control cabinet and a mixer, the conveying assembly is arranged, the time of the materials from opening to closing of a movable plate and a valve is recorded through a computer timing system by means of two closing pieces matched with paste and powder materials, starting and stopping of a first motor are combined, the average flow speed of the materials in a conveying pipe is determined, and the flow speed of the materials is calculated according to the set time and the flow speed of the materials. According to the channel timing method, the quantity of conveyed materials is calculated, a complex weighing sensor or a metering sensor is not needed, the problems of installation complexity and environmental interference caused by long-distance wiring are solved, the channel timing method is high in adaptability to the types of the materials and environmental conditions, stable work, computer timing and automatic control can be achieved even in the open air environment, and the working efficiency is improved. Automatic batching and metering are achieved, manual intervention is reduced, and the production efficiency is improved.

The invention discloses an artificial freezing stress method for improving cold resistance of apple trees and promoting growth and development and application of the artificial freezing stress method, and belongs to the technical field of fruit tree cultivation. The method comprises the following steps: before the germination stage of the apple trees, when the natural low temperature reaches 0-1 DEG C, manually spraying water to the apple trees in an open-air environment, so that the surfaces of the fruit tree plants are frozen, and continuous artificial freezing stress is formed; wherein the temperature range of the artificial freezing stress is-2 DEG C to-8 DEG C, and the duration time is 5-12 hours. The method preferably lasts for 8 to 12 hours, more preferably about 8 hours, and is suitable for red Fuji apple trees. During use, water spraying treatment is performed according to the parameters, and the water spraying amount is based on the condition that tree crowns are uniformly covered and ice layers are formed. According to the method, the late spring coldness resistance of the apple trees can be effectively improved, the leaf area is promoted to be increased to 2000 mm < 2 > or above, the photosynthetic rate is increased to 8.5 [mu] mol / m < 2 >. S or above, meanwhile, the proline content of the fruits is increased to 1200 [mu] g / g or above, the soluble sugar content is increased to 16.0% or above, and CBF and COR cold-resistant gene expression is activated.

The invention provides a multi-element alloy co-permeation agent and application thereof, the multi-element alloy co-permeation agent comprises composite zinc-aluminum alloy powder, Zn powder, composite AIMg alloy powder and a rare earth compound, and the rare earth compound comprises lanthanum hydroxide. By adopting the combination of the composite zinc-aluminum alloy powder, the Zn powder, the composite AIMg alloy powder and the rare earth compound, an efficient anti-corrosion coating can be formed on the surfaces of parts such as railway equipment, bolts and spikes, and the corrosion resistance of the parts is remarkably improved. Especially in an open-air environment, the coating can effectively resist corrosion of wind, sunlight and acidic materials, and the service life of equipment is prolonged.

The utility model discloses a skeleton reinforced electric pole capable of preventing a concrete electric pole from being fractured, and relates to the technical field of concrete electric poles, in particular to a skeleton reinforced electric pole capable of preventing the concrete electric pole from being fractured, which comprises a pole body, an inner rib is poured in the pole body, and a lantern ring is sleeved on the surface of the inner rib. A reinforcing frame is welded to the surface of the lantern ring, and inserting holes are formed in the surface of the reinforcing frame. During use, the reinforcing frames are reinforced and supported by rotating the lead screws, the inner ribs are inserted into the lantern rings to play a role in supporting the inner ribs, subsequent rib winding is facilitated, the positions of all the reinforcing frames are not changed after the positioning rods are inserted, and therefore the overall stability of the pole body is reinforced in the field environment; the condition that the pole body is damaged due to uneven stress during use is reduced, and the waterproof cap is matched, so that rainfall and rainwater are prevented from entering the pole body to corrode internal parts of equipment in a field environment to affect the use effect of the equipment, and the service life of the electric pole is prolonged.

The invention belongs to the technical field of mine filling excitant manufacturing, and particularly relates to a solid waste fluorgypsum excitant for mine filling and a preparation method and application of the solid waste fluorgypsum excitant. A solid waste fluorgypsum activator for mine filling is prepared from fluorgypsum, industrial waste residues, mirabilite, a composite early strength agent prepared from coagulation-promoting adsorption particles, triethanolamine and calcium formate and ethylene glycol, and multiple solid wastes are jointly ground and activated to promote a hydration reaction; the environment-friendly dust suppressant is prepared by mixing a degradable wetting agent, polyethylene glycol and sodium lignin sulfonate, and has excellent dust prevention and moisture retention performance in an open-air environment of a mine; acrylic acid, vinyl polyglycol ether and 2-acrylamido-2-methylpropanesulfonic acid are cross-linked and coated with calcium-aluminum hydrotalcite to prepare coagulation-accelerating adsorption particles, the coagulation-accelerating adsorption particles have excellent coagulation-accelerating and impurity-adsorbing performance, active sites are provided, early hydration reaction of cement is promoted, and the coagulation-accelerating adsorption particles are used in mine filling materials and have good application prospects. The strength of the mine filling material can be improved, and the gelling time is saved.

The invention provides a large-scale steel structure beam strain distributed intelligent monitoring system and method, and relates to the technical field of large-scale steel structure monitoring. The system comprises a welding type strain gauge used for detecting the stress state of the bridge erecting machine, a data acquisition unit used for acquiring signals of the welding type strain gauge, and a protection module used for guaranteeing stable operation of equipment in an outdoor environment, the data transmission unit is used for transmitting the collected signals of the welding type strain gauge to the data analysis and diagnosis module through a 5G network; and the data analysis and diagnosis module is used for analyzing and processing the collected signals of the welding type strain gauge so as to monitor the working state of the bridge erecting machine. The welding type strain gauges are installed at key parts of the bridge girder erection machine, stress data are collected and analyzed in real time, comprehensive monitoring of the working state of the bridge girder erection machine is achieved, potential safety hazards are found in time, and the safety and efficiency of railway construction are improved.

The utility model provides a raw material mixer for ferromolybdenum production, which belongs to the technical field of ferromolybdenum production and comprises a moving mechanism and a traction frame, moving wheels are fixedly mounted at the bottom of the traction frame, a steering bearing is fixedly mounted on the surface of the traction frame, and a frame is fixedly mounted on the surface of the steering bearing. A bearing assembly is arranged on the side wall of the frame. Through the arrangement of the moving mechanism and the mixing mechanism, the combination of raw material mixing and transportation is realized, the mixer is easy to move and position through the moving wheels and the steering bearings, the uniform mixing of the raw materials is ensured through the matching of the bearing assembly and the stirring assembly, and the blanking process is simplified through the arrangement of the flashboard and the locking piece; the arrangement of the stirring frame and the mixing blades improves the stirring efficiency, and the arrangement of the sunshade ensures the stable operation of the equipment in an open-air environment, so that the automation degree of the mixing operation is improved, the labor intensity of workers is reduced, and the production efficiency and the mixing quality are improved.

The invention relates to a positioning method for engineering machinery, the engineering machinery is provided with a camera, a satellite navigation module and an IMU module, the method comprises the following steps: obtaining image data from the camera, and obtaining visual SLAM coordinate data of the engineering machinery according to the image data; obtaining IMU data from an IMU module, and fusing the visual SLAM coordinate data and the IMU data to obtain first fused positioning data; and obtaining RTK data from the satellite navigation module, and fusing the first fused positioning data with the RTK data to obtain second fused positioning data. According to the method and the device, the image data of the camera, the IMU data and the RTK data are fused, so that accurate positioning of the engineering machinery can be realized no matter in an open-air environment or a non-open-air environment, and unmanned driving of the engineering machinery is facilitated.

The utility model discloses a wild-imitating cultivation device for dendrobium officinale. According to the technical scheme, the dendrobium officinale cultivation device comprises a supporting frame, an outer cover shell is arranged on the supporting frame, a cultivation part and an environment simulation mechanism are fixedly connected to the supporting frame, dendrobium officinale is planted in the cultivation part, the environment simulation mechanism comprises an illumination simulation device, a humidity simulation device and a temperature simulation device, and the environment simulation mechanism is used for simulating the wild environment in the outer cover shell. The device has the advantages that the growth space of the dendrobium officinale is in a relatively independent state relative to the external environment through the outer cover shell, and the environment simulation mechanism controls the illumination, humidity and temperature in the outer cover shell, so that the dendrobium officinale can grow according to a wild state, and the quality closer to that of the field is obtained; the environment in the outer cover shell can be finely adjusted, the influence of extreme climate in the field environment on the quality of the dendrobium officinale can be eliminated, the dendrobium officinale can be planted at the density which is not available in the field, and therefore the quality is further guaranteed, and the yield is further increased.

The application discloses an automatic setting method for setting an outlet temperature of an evaporative cooler, wherein the outlet of the evaporative cooler is connected with an inlet of an electrostatic precipitator through a dust removal pipeline, and the automatic setting method comprises the following steps: S100, acquiring a current ambient temperature of an open environment; S200, calculating a pipeline temperature drop of the dust removal pipeline under the current ambient temperature according to the current ambient temperature; S300, acquiring an internal temperature of the electrostatic precipitator under the highest dust removal efficiency, and setting the internal temperature as an inlet temperature of the electrostatic precipitator; S400, calculating a preset evaporative cooler outlet temperature according to the pipeline temperature drop and the inlet temperature of the electrostatic precipitator; and S500, setting the evaporative cooler outlet temperature as the preset evaporative cooler outlet temperature. The preset evaporative cooler outlet temperature set by the automatic setting method for setting the outlet temperature of the evaporative cooler is automatically corrected with the temperature change, and the accurate control of the inlet temperature of the electrostatic precipitator is realized.

The utility model discloses a side window type axial flow tuyere which comprises a lower pipe body and an upper pipe body, the upper pipe body is vertically located at the upper end of the lower pipe body, the lower surface of the upper pipe body is connected with the upper surface of the lower pipe body, the upper pipe body is communicated with the interior of the lower pipe body, and the upper surface of the upper pipe body is inclined and is provided with a sealing cover plate; a ventilation pipe perpendicular to the upper pipe body is arranged on the surface of the upper pipe body, the interior of the ventilation pipe is communicated with the upper pipe body, and a cover plate is hinged to an opening of the ventilation pipe. According to the ventilation device, the supporting rod perpendicular to the upper pipe body is arranged on the surface of the upper pipe body, the inserting hole is formed in the front end of the supporting rod, when ventilation is needed, the plug pin slides, the plug pin leaves the inserting hole, the cover plate can be opened, air in a granary can be exhausted through the lower pipe body, the upper pipe body and the two ventilation pipes, and the whole device is reliable in structure, easy and convenient to operate and high in practicability. In the open-air environment of the top face of the granary, the granary is not prone to damage and convenient to overhaul and maintain.

The utility model provides a large -scale steel structure beam strain distribution type intelligent monitoring system, include: distribution type strain sensing module, data acquisition and transmission module, data analysis and diagnosis module, intelligent early warning module and protection and installation module, wherein, distribution type strain sensing module is used for realizing the strain collection of steel structure beam, data acquisition and transmission module is used for transmitting the data of distribution type strain sensing module collection to remote server, data analysis and diagnosis module is used for carrying out analysis and diagnosis to the steel structure beam data of collection, intelligent early warning module is used for sending early warning signal according to analysis diagnosis result, protection and installation module is used for guaranteeing the stable operation of equipment under the open environment. The utility model solves the problem that traditional monitoring system wiring is complex, environmental suitability is poor, diagnosis is lagging behind etc. can be widely used in the safety monitoring of large -scale steel structure beam's construction period and operation period.

The utility model relates to the technical field of irrigation, and discloses an anti-evaporation water-saving irrigation system which comprises a water collecting tank, a filtering device is arranged on one side of the water collecting tank, a water suction pump is fixedly arranged on the side, away from the water collecting tank, of the filtering device, and a water feeding pipe is fixedly arranged at the water outlet end of the water suction pump. A plurality of water storage tanks are fixedly arranged on the water feeding pipe, a longitudinal pipe and a plurality of irrigation water pipes are fixedly arranged on the side wall of the transverse pipe, a plurality of spray irrigation water pipes are arranged on the side wall of the longitudinal pipe, and the water collecting pool is used for collecting and storing rainwater. By means of the water collecting pool, the filtering device, the water suction pump, the water feeding pipe, the transverse pipe, the water storage tank, the longitudinal pipe and the spray irrigation water pipe, the problems that a water source in a water storage pool is exposed in the open air environment for a long time, a large amount of water evaporates, water resources are wasted, and the utilization rate of the water resources is not high due to the fact that an irrigation mode is adopted in the irrigation process are solved.

The application discloses a protection shed frame for submarine cable terminal manufacturing and relates to the field of submarine cable terminal construction. The submarine cable terminal has high requirements for environmental factors during manufacturing. More cable accessory failures are caused by the construction environment when the construction is carried out in the open air. The application comprises a steel structure vertical frame and a shed cloth located around the steel structure vertical frame, a movable roof is arranged on the top, cable wind ropes are arranged on the shed cloth, the steel structure vertical frame is vertically arranged with multiple working platforms, square holes are arranged in the middle of each working platform and the top surface, vertical ladders are arranged on the inner side of the square holes; the lower end of the steel structure vertical frame is connected and fixed to the ground base. A stable indoor construction environment is realized, the vertical ladders in the middle are convenient for the climbing of workers, the square hole channels are convenient for the vertical standing of the submarine cable terminal, through the multiple working platforms, the standing and operation of the workers are facilitated when the workers remove the insulating shielding layer of the submarine cable outer sheath, continuous operation in the vertical direction is realized, the operation quality is improved, and the failure probability is reduced.

The invention discloses a layered ventilation-film covering integrated device for functional film composting and a control method, and relates to the technical field of film composting, the layered ventilation-film covering integrated device comprises a composting bin body and a multifunctional composite film, the top of the composting bin body is covered with the multifunctional composite film, and the edge of the multifunctional composite film is provided with a spring buckle. The multifunctional composite film is fixed to the composting bin body through spring buckles, and a lower-layer ventilation pipe, a middle-layer ventilation pipe and an upper-layer ventilation pipe are sequentially installed in the composting bin body from bottom to top. Through the arrangement of the multifunctional composite film, the anti-pollution layer and the functional coating of the multifunctional composite film have a synergistic effect, the film hole blocking rate is reduced by 60%-70%, and the composting effect is improved; the service life is prolonged from 1-2 years to 3-5 years, the operation and maintenance cost is reduced by 40%-50%, meanwhile, the weather resistance covers-30 DEG C to 80 DEG C, the film can adapt to different open-air environments such as low-temperature northern environments and high-temperature southern environments, the application range is greatly widened, the film performance is remarkably improved, the service life is remarkably prolonged, and the problems that a traditional compost film is poor in pollution resistance, short in service life and insufficient in weather resistance are solved.

The utility model discloses a supporting structure for an inclined section of an outdoor pressure-bearing water conveying pipeline, the water conveying pipeline is connected with a buttress through a sliding support, the supporting structure comprises a supporting ring fixedly arranged on the water conveying pipeline, and a supporting ring bottom plate is arranged at the bottom of the supporting ring; the support cushion stone is located on the buttress, and an embedded bolt and an embedded steel plate are arranged on the support cushion stone; a lower steel plate of the sliding support is connected with the support pad stone through an embedded bolt, and an upper steel plate of the sliding support is fixedly connected with the supporting ring through a supporting ring bottom plate. The top of the baffle is flush with the bottom plate of the supporting ring, and the periphery of the bottom of the baffle is connected with the embedded steel plate in a welded mode. According to the utility model, the inclined pipeline is only kept in a movable space along the axis direction of the pipeline, so that the directionality of sliding of the pipeline is improved, the pipeline and the supporting ring thereof are prevented from being damaged by frictional resistance generated by contact between the pipeline and the buttress due to temperature stress, water hammer action, cavitation erosion action and the like, and the operation and maintenance cost of the water delivery pressure pipeline in an open-air environment is reduced.

The invention discloses a preparation method of 2, 5-furandicarboxylic acid. Comprising the following steps: 1, dissolving 5-hydroxymethylfurfural in water, adding alkali to adjust the pH value to 9-13, then adding a heterogeneous catalyst in an open air environment, and carrying out a stirring reaction at 80-100 DEG C for 8-24 h to obtain a product aqueous solution containing 2, 5-furandicarboxylate; and 2, separating the heterogeneous catalyst from the product aqueous solution, then adjusting the pH value to precipitate 2, 5-furandicarboxylic acid solid, and separating to obtain the product. The method has the beneficial effects that a halogen-free process is adopted, air is taken as an oxidizing agent (without pressurization), and the recyclable catalyst is synthesized through an all-solid-phase method, so that discharge of halogen-containing wastewater and wet-process waste liquid is avoided. The method has the advantages of mild reaction conditions (less than or equal to 100 DEG C), reusability of the catalyst, easy separation of the product and the like, and provides a solution for green production of 2, 5-furandicarboxylic acid.

The invention provides an open type in-situ deodorization system and method for MOF-DBD synergistic active species release and application, and the system comprises a DBD active species generation unit which is used for in-situ release of oxygen free radicals, hydroxyl free radicals, ozone and active nitrogen oxides in an open air environment and preliminary oxidation of ammonia gas, hydrogen sulfide and volatile organic compounds; and the MOF light-oxygen catalysis unit is arranged at the downstream or adjacent area of the DBD active species generation unit in an open manner and is used for carrying out catalytic decomposition on byproducts generated by the DBD active species generation unit under the action of light and further converting the byproducts into harmless or high-reactivity oxide species. The device can efficiently degrade ammonia gas, hydrogen sulfide and volatile organic compounds generated in livestock and poultry breeding and other scenes, has the advantages of high removal efficiency, low energy consumption, long material service life and stable operation, and is suitable for tail end deodorization and industrial waste gas treatment of farms.

The utility model discloses a new energy automobile charging pile fixing device in the technical field of charging pile fixing devices, which comprises a mounting rack, a protection box arranged on one side of the mounting rack, and a limiting unit used for mounting the protection box on the surface of the mounting rack, and a plurality of fixing bolts are inserted into the surface of the mounting frame in a threaded manner. According to the utility model, the protection box is arranged on one side of the mounting rack, so that during use, a user installs a plug, a socket, a circuit breaker, a contactor, a power supply module shell and other charging devices on the inner wall of the protection box, and then installs the protection box on the surface of the mounting rack through the limiting unit, thereby realizing effective protection of the above electrical components. And the condition that the service life is shortened due to wind and sun exposure in an outdoor environment is avoided.

The invention discloses a wind power main shaft sealing protection structure, and relates to the field of wind power main shaft connecting device design, the wind power main shaft sealing protection structure comprises a wind power main shaft, a sealing connection unit, a sealing connection unit and a protection connection unit, the wind power main shaft is connected with a sealing protection shell through the sealing connection unit, and the sealing connection unit is arranged in the sealing protection shell; a sealing connecting unit is arranged in the sealing protective shell, a protective connecting unit is arranged at the position, beside the sealing connecting unit, in the sealing protective shell, the sealing connecting unit comprises a main shaft fixing shell, a clamping block, a connecting fixing plate, a fastening bolt and a fixing ring, a round hole is formed in the sealing protective shell, and the main shaft fixing shell is arranged in the round hole. When the wind power device is in an outdoor environment, the wind power main shaft can be protected, internal damage is prevented, cost is reduced, sealing performance of the device is improved, and service life of the device is prolonged.

The invention discloses a lattice tower cable hoisting and laying device and method.The lattice tower cable hoisting and laying device comprises a hoisting mechanism, a hanging frame mechanism, a clamping mechanism and a guiding mechanism, and the hoisting mechanism is arranged in a channel in the top of a steel tower section and used for hoisting a cable; the hanger mechanism is arranged in the steel tower section channel, is positioned below the hoisting mechanism and is used for temporarily hanging the cable hoisted by the hoisting mechanism; the multiple clamping mechanisms are arranged in a channel of the lattice tower at intervals in the height direction of the lattice tower and used for fixing the cable hanging down from the hanging frame mechanism. The guide mechanism is at least partially arranged in the channel of the lattice section and extends in the height direction of the lattice section, the guide mechanism is detachably connected with the hoisting end of the hoisting mechanism, and the hoisting end can move in the extending direction of the guide mechanism. According to the technical scheme provided by the invention, the reliability and continuity of hoisting operation in an outdoor environment can be improved.

The invention relates to the technical field of projection, in particular to a projection device for court walking guidance, which comprises a device shell, an upper cover is detachably mounted at the top of the device shell, a projection assembly is arranged in the device shell, and a motor is fixedly mounted on the inner wall of the bottom of the device shell. The projection assembly comprises a projection module fixedly installed in the equipment shell, the outer side of the projection module is fixedly connected with a lens barrel penetrating through the equipment shell, and the outer side of the lens barrel is slidably connected with an adjusting barrel; synchronous reverse displacement of the adjusting cylinder and the movable lens is realized by arranging the synchronization assembly, the adjusting cylinder moves towards the outer side of the lens cylinder to strengthen shading in a strong light environment, and the movable lens moves towards the inner side to reduce a projection pattern to improve brightness, so that the adaptation capability of equipment in the strong light environment is remarkably improved; the definition of the walking guiding projection in the outdoor environment of the court is guaranteed, and the walking guiding effect is prevented from being affected.

This invention discloses a method, system, and equipment for determining the safe distance of air shock waves during tunnel blasting excavation, relating to the field of tunnel blasting excavation. The method includes: determining the overpressure safety control standard ΔP0 for air shock waves; calculating the overpressure ΔP1 of the air shock wave propagating along the tunnel and the overpressure ΔP2 of the air shock wave at the tunnel entrance based on blasting design parameters and tunnel characteristic parameters; calculating the overpressure ΔP3 of the air shock wave at any distance along the tunnel axis in an open-air environment at the tunnel entrance based on ΔP2; drawing a nomogram of the safe distance of the air shock wave action within the tunnel based on ΔP0 and ΔP1, and determining the first safe distance based on the nomogram; drawing an isopleth map of the air shock wave overpressure based on ΔP3, and determining the second safe distance based on ΔP0 and the isopleth map. This invention eliminates the need for extensive blasting tests, providing a new approach for the safety protection of blasting air shock waves near the tunnel face and entrance.