43results about How to "Get the most out of your utilization" patented technology

The invention discloses an urban road traffic control method which comprises the following steps (1) acquiring traffic information of a road junction by an information acquisition device, detecting vehicle information, and computing lane occupancy ratio, an average speed V of a single vehicle and a detection distance L; (2) computing green time S of a single lane; (3) dividing a signal cycle into an east-west release phase and a south-north release phase; wherein, the east-west release phase is divided into an east-west left-turn phase and an east-west straight phase; the south-north release phase is divided into a south-north left-turn phase and a south-north straight phase; if the left-turn lanes and straight lanes in east, south, west and north directions are represented by 1 to 8, and the green time of each lane is S1 to S8 accordingly; the S1 to S8 are respectively computed according to a formula (1) to control the green time of the road junction. The urban road traffic control method acquires and processes car flow information in real time, has high accuracy and effectively utilizes road traffic capacity.

The invention provides base plate supporting device and method and a vacuum drying device. The base plate supporting device comprises a fixed mechanism and a lifting mechanism; the fixed mechanism comprises a table top; a plurality of through holes are formed in the table top; the lifting mechanism comprises a plurality of flat plate parts corresponding to the through holes; the plurality of flat plates can be respectively positioned into the corresponding through holes and form a supporting surface tighter with the table top to support a base plate; the flat plate part can movably pass through the corresponding through hole. According to the base plate supporting device, the mode that the fixed mechanism and the fixing mechanism are matched is adopted, thus the base is kept on the flat table top in the whole drying process, the contact mode is changed from the point contact into the surface contact, and therefore, a product can be avoided adverse risk; in addition, the products of different models can be switched without moving the supporting device, so that the workload of people can be reduced, and the design difficulty of the device can be reduced.

The invention relates to a fused salt heat accumulating peak regulating system for a heat-engine plant heating by means of main steam and belongs to the technical field of heat accumulating peak regulating of heat-engine plants. The system comprises a main steam regulating valve, a high pressure steam-fused salt heat exchanger, a reheated steam regulating valve, a high temperature fused salt tank,a high pressure fused salt pump, a low temperature fused salt tank, a low temperature fused salt pump, a throttling valve, a high pressure heater, a water delivery pump, a deaerator, a boiler, a highpressure cylinder and a medium pressure cylinder. When the electrical load is reduced, the utilization ratio of the boiler is fully exerted; a fused salt heat accumulating system is additionally arranged to store heat of residual stem of the boiler in the high temperature fused salt through the high pressure steam-fused salt heat exchanger; in the electrical peak stage, the high temperature fusedsalt is extracted from the fused salt tank to be fed to the high pressure steam-fused salt heat exchanger again to heat the boiler feed water and generate high temperature high pressure steam and issent to a turbine to increase the generating capacity of the turbine and play a peak regulating role on a unit. Residual steam generated by the boiler can be recovered when the electrical load is relatively low, so that the utilization ratio and the operating safety of the boiler are improved, and the purpose of being energy-saving is achieved.

The invention discloses a wooden structure house and a building process thereof. The wooden structure house comprises a house main body structure and a roof structure, wherein every floor of the house main body structure comprises a plurality of wall bodies 1; the adjacent floors are separated by a floor plate; the wall bodies 1 and the floor plate are an integrated composite board or are formed by splicing a plurality of composite boards arranged on the same plane; the integrated composite board is formed by piling a plurality of layers of wooden boards with same shapes and sizes; and the wooden board is formed by splicing a plurality of wooden plate strips which are arranged on the same plane. The building process comprises the following steps of: 1, on-site constructing foundation and basement, factory-prefabricating and transporting the integrated composite boards; and 2, using the prefabricated composite boards to assemble the wooden structure house on the spot. The wooden structure house in the invention is simple in construction process, controllable in construction quality, low in input investment, rational in structural stress of the built house, beautiful in shape, wide in application range and convenient for prefabricating the integrated boards and suspending on the spot.

The invention provides yoghourt containing ginger and a preparation method thereof, wherein the concentration of ginger juice uses the extraction step of decocting, the active ingredients in juice and dry matter can be fully extracted, and the usage factors of dry ginger and old ginger can be fully utilized particularly. Moreover, in the yoghourt containing ginger and the preparation method thereof provided by the invention, prepared concentrated ginger juice is directly mixed with the yoghourt, and the preparations of the yoghourt and the concentrated ginger juice are mutually independent without interference and containment, thereby simplifying operation flow and improving production efficiency. Furthermore, fresh concentrated ginger juice can be added to the yoghourt with different flavors at any moment, thereby avoiding the defects of metamorphism, nutritional ingredient conversion and loss of additives in the fermentation process of the yoghourt.

A material cutting machine with rolling cutter for cutting strips or cutting off is composed of a machine frame, a drive unit, a feeding frame, a rolling cutter, two straight guide tracks at both sides of said machine frame, an eccentric mechanism, a motor for driving said eccentric mechanism via drive rod, a cutter holder with a slot, a tool section in said slot and made of PVC, and a cutter trimming unit.

The invention discloses an industrial constant temperature control system. The industrial constant temperature control system comprises a water temperature detection unit 1, a steam pressure detection unit, a steam temperature detection unit, a cooling water tank, a cooling water supplement pipeline, a cooling water control valve, a cooling pump, a water temperature detection unit 2, a flow rate detection unit, a controller, a parameter setting unit and a display, wherein the water temperature detection unit 1 is used for detecting the temperature of water at a water outlet of a steam heater; the steam pressure detection unit and the steam temperature detection unit are used for detecting the pressure and the temperature of steam supplied by a steam supply pipeline; the cooling water supplement pipeline is connected between the cooling water tank and a water supply pipeline of the steam heater; the cooling water control valve and the cooling pump are arranged on the cooling water supplement pipeline and are controlled by the controller; the water temperature detection unit 2 is used for detecting the temperature of water in the cooling water tank; and the flow rate detection unit is used for detecting the flow rate of the cooling water supplement pipeline. The industrial constant temperature control system is reasonable in design and easy to operate, has high intelligence degree and a good using effect, and can effectively solve the actual problems that the conventional steam heater temperature control system has low intelligence degree, and difficultly adjusts high temperature control parameters to low temperature control parameters in a continuous operating state and the like.

The invention discloses an inverter auxiliary power supply system and a use method thereof. The inverter auxiliary power supply system comprises an isolating conversion device, a direct current bus, a tank circuit and two load circuits. The tank circuit comprises an energy storage element, a current limiting element and a discharge element. The first load circuit is a low-power general load and the second load circuit is a high-power impact load. The tank circuit is arranged for ensuring the continuity of control system power supply during low voltage riding through as well as solving the problem of power supply capacity requirements of the high-power impact load and reducing the capacity of the power supply system for reducing power supply costs. The current limiting element is used for slowly charging the energy storage element for further limiting the system power. The discharge element is used for quickly discharging to the direct current bus for further ensuring the continuity of power supply of other load circuits. The inverter auxiliary power supply system and the use method of the inverter auxiliary power supply system gives full play to the utilization efficiency of the energy storage element in a variety of working states and is simple in scheme and easy to implement.

The invention provides a wireless tree network access control method and network node equipment. The access control method comprises the following steps of (1) dividing the transmitting capacity of a node into transmitting capacity, namely internal transmitting capacity, for communication among intra-network nodes and transmitting capacity, namely external transmitting capacity, for communication between the intra-network nodes and extra-network nodes; (2) performing two-way communication in a time division duplex mode between a father node and all child-nodes of the father node as well as between the father node and a father node of the father node, wherein the wireless communication between the father node and all the child-nodes of the father node as well as the wireless communication between the father node and the father node of the father node are performed in different channels respectively, i.e., the communication between the nodes at different levels of a wireless tree network can be performed simultaneously. The invention further comprises network node equipment of the wireless tree network. The equipment provided by the invention is unique in structure. By utilizing the method provided by the invention, the utilization ratio of the existing wireless spectrum resources can be fully exerted, multiple access interference is reduced, and the wireless tree network can meet the urban multimedia communication demand in a remote region or under an emergency case.

The invention discloses a hydraulic control pipeline of an excavator, which comprises a pump 1, a pump 2, a pilot pump, a movable arm valve core, a bucket arm valve core, a bucket valve core, a standby valve core and pilot control pipelines, wherein the pump 1, the pump 2 and the pilot pump are connected with an engine; the movable arm valve core, the bucket arm valve core, the bucket valve core and the standby valve core are connected with the pump 1 and the pump 2; and the pilot control pipelines are connected between the pilot pump and valve core pilot ports. The invention is characterized in that the hydraulic control pipeline of the excavator is arranged on a bucket convergence pipeline and connected with a first control pipeline and a second control pipeline in parallel; the first control pipeline is connected with a rotary motor of a hydraulic cutter through an electromagnetic valve; the second control pipeline is connected with a quick-changing device through the electromagnetic valve; and the hydraulic cutter cylinder is connected with the standby valve core. In the invention, two control paths are added on the bucket convergence pipeline to be respectively connected with the rotary motor of the hydraulic cutter and the quick-changing device, and the hydraulic cutter cylinder is connected with the standby valve core, thereby realizing quickly changing of the hydraulic cutter and the bucket, fully displaying the utilization ratio of the excavator, enhancing the functions of the excavator and lowering the construction cost.

The invention relates to a low-temperature storage device. The cold accumulation storage cabinet uses a heat accumulation bag as a cold source, uses an inner outline assembly for defining a storage space, and uses an outer outline assembly for building the external appearance which meets the use requirements and shows the characteristics. A heat insulation layer is arranged between the inner outline assembly and the outer outline assembly, and the cold accumulation storage cabinet is manufactured through being assisted with other auxiliary assemblies. The cold accumulation storage cabinet can operate without relying on a power supply, and has the prominent characteristics of low manufacture material consumption, low cost, simple maintenance, energy saving, environment protection and the like, and the advantages of the cold accumulation storage cabinet can be particularly shown in the aspects of resource utilization of cold climate when being used in carrying and movement or in batch use. The cold accumulation storage cabinet provided with an electric cold resource can realize the electricity use in a trough period instead of a peak period, and the refrigeration reliability can be enhanced.

The invention relates to a baffling loaded type photocatalytic reactor used for treating waste water. The photocatalytic reactor comprises a reactor main body used for accommodating waste water to be treated. At least one separating plate used for dividing to form subsidiary reaction cavities is disposed in the reactor main body. Each of the subsidiary reaction cavities is provided with at least one filler used for dividing to form subsidiary water flow paths and is provided with a water inlet and a water outlet which are communicated through the subsidiary water flow paths. The water outlet of a former subsidiary reaction cavity is connected to the water inlet of a later subsidiary reaction cavity. The water flow directions of adjacent two subsidiary reaction cavities are opposite. Ultraviolet lamps are disposed in the reactor main body. The photocatalytic reactor is reasonable in design, achieves baffling flowing of the waste water in the reactor, enhances fluid turbulence, increases the mass transfer efficiency, improves dissolving capacity of a gas oxidant in water and increases the photocatalytic reaction area, and therefore efficient and harmless treatment of toxic, harmful and refractory organic matters in the waste water is achieved under the action of ultraviolet light.

The invention relates to multi-load balance control system and method. The system comprises a power distribution circuit, a load balancer and a plurality of loads, wherein the load balancer is connected to a loop of the power distribution circuit; a current transformer for detecting a main current value of the power distribution circuit in real time is arranged on a main line of the power distribution circuit; the current transformer is connected with the load balancer; the detected main current value of the power distribution circuit is conveyed to the load balancer; the plurality of loads are respectively connected with a load switch controller; and each load switch controller is connected to the load balancer through a communication line and is used for receiving a control instruction of the load balancer and opening or closing the corresponding load. According to the multi-load balance control system and method, automatic dynamic control of load current backlash can be realized, so that the utilization rate of the total capacity of the system is put into full play; the multi-load balance control system and method can adapt to different load systems; load terminal equipment does not need to be calibrated in advance; frequent starting and stopping of the load terminal equipment are completely avoided; and the multi-load balance control system and method can automatically adapt to voltage fluctuation of the system.

The invention relates to a temporary parking space management and control device, system and method. The device comprises a vehicle detection unit, a roadside unit, a parking space information indication unit, a voice prompt unit and an information display unit; the vehicle detection unit is used for detecting the information of vehicles near and in a temporary parking space, and transmitting the information to the roadside unit; after the information is processed by the roadside unit, the parking space information indication unit, the voice prompt unit and the information display unit make corresponding responses, and the obtained parking information is sent to a server, and then the server sends the parking information to a mobile terminal. Each unit of the system can timely inform a driver of the condition that temporary parking is allowed near the temporary parking space through voice, light-emitting contour and character display, can send parking information can to the mobile terminal, so that closed-loop prompt information is formed, the driver can check the remaining parking time at any time, the problem that traffic is affected by overtime parking due to the fact that parking time is forgotten or parking of a car owner in a fixed parking space is solved.

The invention discloses a changeable desk top based on special unit modules and aims at solving that contradiction that the number of activity participating persons sharing the same desk often changes while the desk top is fixed in size or shape. The desk top is mainly composed of a plurality of special unit modules and auxiliary parts of the modules and is characterized in that a user can flexibly adjust the shape, area or number of the desk top as required. The changeable desk top has the advantages that the demands for the size, shape, number of the desk top, usage habits or aesthetic habits of different users are appropriately met, the occupied area of the leisure desk top is also decreased as much as possible, and the usage efficiency of a desk usage place is improved. Therefore, improvement of personalized service quality, full playing of the utilization rate of the place and increase of operation benefits are promoted for lots of operation places (for example, restaurants). In addition, by the adoption of the scheme, desk top manufacturing enterprises fully utilizes edge and corner waste to reduce resource waste and manufacturing cost, and large-scale production, package, storage and transportation are promoted.

The invention discloses a distribution method for participation of a direct-current charger in three-phase imbalance adjustment, relates to the technical field of power distribution network power adjustment methods, and solves the technical problem that a method in the prior art cannot effectively exert the utilization potential of a charger with less charging times. The method comprises the following steps of: S1, calculating compensation currents of a plurality of unbalanced load points; S2, inputting a statistical time period into a central controller, transmitting the statistical time period to the plurality of charging controllers, counting the charging times of the plurality of direct current chargers, and determining distribution coefficients of the plurality of direct current chargers; S3, allocating weights to an unbalanced current required to be compensated by a final-stage direct-current charger; and S4, in the input time period, performing distribution adjustment on the direct current charger by the central controller, and finishing the control process until the expected effect is achieved. According to the method, the difference of charging times in the same period isconsidered, and the utilization potential of the charger with less charging times is brought into play to the greatest extent.

The invention relates to the field of healthcare medicinal liquors, and especially relates to a healthcare medicinal liquor for preventing hypertension. A technical formula of the medicinal liquor comprises the following steps: preparing 30-50g of Rhizoma Alismatis, 30-50g of Eucommia ulmoides, 30-50g of dry corn silk, 20-30g of Ligusticum wallichii, 20-30g of Rhizoma Atractylodis Macrocephalae, 15-20g of Semen Cassiae, 15-20g of wild chrysanthemum flower, 15-20g of Chinese Taxillus Twig, 40-60g of Gambir Plant, 5-10g of scorpion and 2500ml of 60DEG white liquor. A production method of the medicinal liquor comprises the following steps: infusing the above traditional Chinese medicines in the white liquor for 3-12 months, and removing residues to prepare the healthcare medicinal liquor. The healthcare medicinal liquor developed by using the formula can promote the metabolism of brain cells, is in favor of the normal metabolism of fat and cholesterol in human bodies, and has a very good effect on the prevention and the treatment of hypertension and chronic nephritis.

The present invention relates to construction of building pile foundation engineering, and is especially mixed piling process of one-stage under-reamed pile with great bearing capacity. The extrusion piling process includes the following steps: erecting prefabricated reinforced concrete immersed pile head on ground, pressing immersed tube onto the reinforced concrete pile head, immersing the immersed tube into hardpan to design elevation, drawing upwards the immersed tube to designed distance, forming base space and taking out soil, pouring the base with concrete, setting the prefabricated pile stem with steel dowels in the lower end, withdrawing the immersed tube and injecting cement mortar to around the pile stem. The pile has the ratio between the base diameter and the pile stem diameter as great as 5-6, deduction coefficient up to 0.9-1.0, high material strength utilizing rate, great bearing capacity and other advantages.

The invention discloses a highland industrialization grading breeding method for penaeus vannamei boone, and belongs to the technical field of penaeus vannamei boone breeding. The method includes the steps that in a greenhouse at the temperature of 26 DEG C to 30 DEG C, penaeus vannamei boone in different growth periods is put into corresponding grading breeding ponds and bred in a grading-series-breeding mode; young penaeus vannamei boone is bred for 20 days to 30 days in a primary pond, breeding is completed, then the young penaeus vannamei boone is sent to a secondary pond, and a second batch of young penaeus vannamei boone is bred in the primary pond; breeding is carried out for 20 days to 40 days in the secondary pond, breeding is completed, then the obtained young penaeus vannamei boone is sent to a tertiary pond, the second batch of young penaeus vannamei boone is bred in the secondary pond, and a third batch of young penaeus vannamei boone is bred in the primary pond, and breeding is carried out for 15 days to 45 days in the tertiary pond, breeding is completed, and then harvesting is carried out; meanwhile, breeding ponds are alternated, and new young penaeus vannamei boone is introduced and enters the primary pond; in this way, series repeating breeding is carried out; wastewater discharging, water changing and oxygen supplying are periodically carried out during breeding of all the breeding ponds, and after the penaeus vannamei boone is transferred every time, the current breeding pond is cleaned and disinfected, and then the next batch of penaeus vannamei boone is bred. According to the highland industrialization grading breeding method for the penaeus vannamei boone, the production mode and a product are environmentally friendly, and meanwhile the breeding working efficiency and the product quality can be remarkably improved.

The invention provides a multi-functional digital display alarm emergency power supply with safety warning. The power supply comprises a power supply main body, a high magnification cell and an MCU control circuit board. A magnetic suction device which can fixedly absorb a product and metal is arranged on the back or front lower end face of the casing body of the power supply main body. A digital display which displays power supply in percentage, a red and blue light strobe alarm light and an alarm sign are arranged on the front of the casing body. A flashlight / SOS / burst flash LED light, a 5V power output interface and a 12V power automobile ignition output interface are arranged on one side of the side wall of the casing body. A switch button which is used for power display, flashlight, burst flash, SOS and red and blue light strobe alarm light work mode switching, a Mic USB power input interface and a solidified electronic whistle are arranged on the other side of the side wall of the casing body. The power supply provided by the invention can be used for 12V automobile emergency ignition start and used as the supplement power supply of most of 5V police electronic equipment, has the functions of disaster relief field police work lighting and red and blue light safety warning, is portable, practical and convenient, and is practically convenient for people and police.

The invention provides a preparation method of a water-absorbing resin from silkworm litter, which comprises the following steps: carrying out conventional pyrolysis carbonization on the silkworm litter to obtain retort gas and residues; mixing the residues with acrylic acid, and stirring at low temperature for hydrolysis to obtain a mixture I; condensing the retort gas to obtain an extracting solution, mixing with starch, and heating in a nitrogen protective atmosphere to obtain a mixture II; evenly mixing ammonium sulfate and dimethyl sulfoxide to obtain a mixture III; and dissolving methylene bis acrylamide in water, evenly mixing the solution with the mixture II, sequentially adding the mixture I and mixture III, stirring, and heating with microwaves to obtain the water-absorbing resin. The method utilizes the waste resources, implements resource reutilization, and is simple and easy to operate and low in energy consumption. The water-absorbing resin has the advantages of high efficiency, strong adaptability, moth resistance and the like, is degradable, and is applicable to the industries of agriculture, horticulture, medicine, hygiene and the like.

The invention relates to multi-load balance control system and method. The system comprises a power distribution circuit, a load balancer and a plurality of loads, wherein the load balancer is connected to a loop of the power distribution circuit; a current transformer for detecting a main current value of the power distribution circuit in real time is arranged on a main line of the power distribution circuit; the current transformer is connected with the load balancer; the detected main current value of the power distribution circuit is conveyed to the load balancer; the plurality of loads are respectively connected with a load switch controller; and each load switch controller is connected to the load balancer through a communication line and is used for receiving a control instruction of the load balancer and opening or closing the corresponding load. According to the multi-load balance control system and method, automatic dynamic control of load current backlash can be realized, so that the utilization rate of the total capacity of the system is put into full play; the multi-load balance control system and method can adapt to different load systems; load terminal equipment does not need to be calibrated in advance; frequent starting and stopping of the load terminal equipment are completely avoided; and the multi-load balance control system and method can automatically adapt to voltage fluctuation of the system.

The invention discloses a sample and a design implementation method for producing a multifunctional high-speed warp knitting machine. A needle bed is provided with slot needles with two types of machine numbers, and the slot needles with two types of machine numbers account for half of the needle bed respectively; a needle core bed is provided with needle cores with two types of machine numbers, and the needle cores with two types of machine numbers account for half of the needle core bed respectively; a sinker bed is provided with sinkers with two types of machine numbers, and the sinkers with two types of machine numbers account for half of the sinker bed respectively; a yarn guide chase comb is equipped with yarn guide needles with two types of machine numbers, the yarn guide needles with two types of machine numbers are distributed on the position accounting for the half width of the machine. A shogging mechanism is an electronic shogging mechanism, and a rotary motor is adopted to control the guide chase comb to shog; an upper computer control system is used for setting the machine numbers of the machine according to the need. According to the sample and the design implementation method, different machine numbers can be rapidly replaced, the utilization efficiency of warp knitting equipment is given full play to, the production space of products is improved, the equipment investment cost of an enterprise is saved, and a greater value is created for the enterprise.

A high-throughput communication satellite transponder of a distributed gateway station and a gateway station belong to the technical field of communication satellite payloads. A channel preselector is designed at the receiving end of the distributed gateway station transponder, and the bandwidth covers the uplink frequency of the beam feeder link; a broadband low-noise amplifier is designed, and the performance is consistent with that of the centralized gateway station transponder; Hybrid bridge, the number of input ports of the hybrid bridge is consistent with the number of user beams of the distributed gateway station; a new local oscillator frequency converter is added to synthesize the uplink frequency of the feeder link into a broadband signal through the hybrid bridge; The converter splits the different user beam signals after the frequency converter, and adds a power amplifier with the same working bandwidth as the feeder link of the centralized gateway station transponder; adds an output filter after the power amplifier, and the bandwidth is the downlink frequency of the feeder link. The transponder and the gateway station of the present invention utilize space frequency resources to the greatest extent and improve the multiplexing efficiency of the feeder link.

The invention discloses a laser in-situ processing equipment and method based on a scanning galvanometer. The equipment includes an industrial camera, a five-axis motion platform, a laser, an industrial control computer, and a three-dimensional galvanometer composed of a two-dimensional galvanometer and a dynamic focusing mirror. The method includes the steps of: camera calibration, three-dimensional shape and pose measurement of the workpiece, in-situ processing path generation, three-dimensional laser in-situ processing, and processing result detection. The present invention adopts the hardware design of a three-dimensional galvanometer plus a five-axis motion platform, which fully meets the needs of the industry. The laser emits laser light or indicates light to scan the laser line on the workpiece through the three-dimensional galvanometer, and uses the principle of three-dimensional structured light to generate the three-dimensional shape of the workpiece online. Laser in-situ three-dimensional processing is performed after the in-situ processing path is generated. Therefore, the laser in-situ processing equipment and method based on the scanning galvanometer provided by the present invention realizes the integration of three-dimensional modeling, processing and detection in the laser three-dimensional processing process, and improves the positioning accuracy of the workpiece and the convenience of operation. .

The invention provides a large steel structure sunshine tree and a sunshine tree manufacturing process, and belongs to the field of building construction. The large steel structure sunshine tree comprises a tubular column, a first group of rhombic components, a second group of rhombic components and a third group of rhombic components. The first group of rhombic components are connected to the lower part of the tubular column through a first supporting structure; the second group of rhombic components are connected to the middle part of the tubular column through a second supporting structure;and the third group of rhombic components are connected to the upper part of the tubular column through a third supporting structure. The large steel structure sunshine tree is reasonable in design,the construction difficulty can be reduced, the manufacturing period is shortened for engineering, the production safety and the product quality are guaranteed, and a guarantee is provided for later field installation.

The invention relates to the technical field of building materials, and provides a greening concrete additive and a preparation method thereof, and the greening concrete additive comprises the following components by weight: 100 parts of water, 15-30 parts of a compound fertilizer, 5-10 parts of a water-absorbent resin water-retaining agent, and 1-3 parts of a rooting agent. According to the invention, by adjusting the composition of each component in the water-absorbent resin water-retaining agent and matching with water and the compound fertilizer, water and nutritional ingredients required by normal growth of vegetation are provided, and the overall water locking and fertilizer retaining capacities of the greening concrete can be improved, so that the survival rate of the vegetation is favorably improved, and the life cycle of the vegetation is prolonged.

The invention provides a wireless tree network access control method and network node equipment. The access control method comprises the following steps of (1) dividing the transmitting capacity of a node into transmitting capacity, namely internal transmitting capacity, for communication among intra-network nodes and transmitting capacity, namely external transmitting capacity, for communication between the intra-network nodes and extra-network nodes; (2) performing two-way communication in a time division duplex mode between a father node and all child-nodes of the father node as well as between the father node and a father node of the father node, wherein the wireless communication between the father node and all the child-nodes of the father node as well as the wireless communication between the father node and the father node of the father node are performed in different channels respectively, i.e., the communication between the nodes at different levels of a wireless tree network can be performed simultaneously. The invention further comprises network node equipment of the wireless tree network. The equipment provided by the invention is unique in structure. By utilizing the method provided by the invention, the utilization ratio of the existing wireless spectrum resources can be fully exerted, multiple access interference is reduced, and the wireless tree network can meet the urban multimedia communication demand in a remote region or under an emergency case.