123results about How to "Improve precise control" patented technology

The invention provides a multi-leaf collimator leaf motion position control device and method and a linear accelerator. The device comprises a control system and blade trolleys connected with the control system, wherein the blade trolleys are movably connected to sliding lead screws with displacement sensors, one end of each sliding lead screw is connected with a trolley motor with an encoder, and the encoders of the trolley motors and the displacement sensors are both electrically connected to the control system. By arranging the encoders of the trolley motors and the displacement sensors, multi-azimuth redundancy detection of motion positions of the blade trolleys is achieved, accurate control of the motion positions of the blade trolleys is improved, accurate control of the blade motion positions is preliminarily improved to form a designated regular coverage field, healthy parts of a patient is prevented from being irradiated by X rays, the safety of the patient is ensured, and the device reliability is improved.

The disclosed intelligent power-saving protective device for motor comprises: a primary power circuit with output end connected with the input of following two circuits, a switch power circuit with output end connected with input end of all following members, a power drive circuit with input end connected with the PWM generating circuit and microprocessor and the switch power, a microprocessor with input end connected all of the power drive circuit, protective circuit, the power detection, the parameter controller and the switch power circuit; a PWM generating circuit, a protective circuit, a power detection circuit, a function extension interface, a parameter setting controller, and a display. This invention is convenient and reliable.

The invention relates to the technical field of medical instruments, specifically to a cooling system used for a medical imaging device. The medical imaging device includes a detector module having a hollow cavity, a reading circuit board and a front-end processing unit are arranged in the hollow cavity. The cooling system includes a cooling air passage and a flow guide channel, wherein the cooling air passage includes an air inlet cavity and an air return cavity, the front-end processing unit is located in the air inlet cavity, and the reading circuit is located in the air return cavity; and the flow guide channel includes an air inlet channel and an air return channel arranged side by side, the air inlet channel is communicated with the air inlet cavity, the air return channel is communicated with the air return cavity, and a refrigeration device is used for conveying cooling air flow to the air inlet channel. According to the cooling system used for the medical imaging device, the reading circuit board is integrated in the detector, and a cooling circulation system is established, thereby improving stability of temperature inside the detector module, and the cooling system is compact in structure and reasonable in layout, thereby providing convenience for maintenance of the detector module.

The invention discloses a method for calculating the output controlled quantity and a wind power plant in a wind area wind power control system of a power system. The method comprises the steps of: calculating and evaluating control performance standard (CPS (Control Performance Standard) comprising CPS1 and CPS2) indexes controlled by interconnecting ties; judging whether the two indexes are qualified or not; if not, calculating the total controlled quantity of cutting off wind power plant output or recovering the wind power plant output in the whole network by the indexes; calculating and sequencing the regulating and controlling capacities of the wind power plants according to a weighting and scoring method; and calculating the numerical values for control by the wind power plants according to a predetermined current output percentage, combining the numerical value of the output controlled quantity of a whole power grid and sequencing results of the wind power plants, selecting the range of the wind power plants controlled at present, and issuing a control command to complete control operation. According to the invention, the precise control of the wind power plant is improved, and the demand for safe and stable operation of the power grid is satisfied.

The invention belongs to the technical field of tea processing machinery and provides an oil-fired tea dryer. The oil-fired tea dryer comprises a dryer box body, a hot air generating system, a tea feeding system and a tea discharging system, wherein the hot air generating system is arranged above the dryer box body and is communicated with the dryer box body, the tea feeding system is arranged on one side of the dryer box body, and the tea discharging system is arranged at the bottom of the dryer box body. A tea conveying system is arranged in the dryer box body. The tea conveying system comprises at least two conveying layers. The feeding end of the tea conveying system is matched with the tea feeding system. The discharging end of the tea conveying system is matched with the tea discharging system. The hot air generating system, the tea feeding system, the tea discharging system and the tea conveying system are controlled by a control system which is arranged on the dryer box body. According to the oil-fired tea dryer, the structure of the dryer box body is optimized, the path through which hot air enters the dryer box body is shortened, the inner ventilation of the box body is improved, convective heat transfer coefficient is increased through layered conveyance and air intake, and energy loss is reduced.

The invention relates to an intelligent passenger elevator vehicle for an airliner and application of the intelligent passenger elevator vehicle. The intelligent passenger elevator vehicle comprises a passenger elevator vehicle body and further comprises a vehicle running track sensor (10) used for obtaining a real-time running track of the passenger elevator vehicle body, a vehicle position sensor (6) used for obtaining a real-time position of the passenger elevator vehicle body, a cabin door position sensor (9) used for obtaining position relationship between the passenger elevator vehicle body and the airliner cabin door and a whole vehicle controller (2) connected with the vehicle running track sensor (10), the vehicle position sensor (6), the cabin door position sensor (9) and the passenger elevator vehicle body. The running track, position and altitude of the passenger elevator vehicle body are controlled according to signals of the vehicle running track sensor (10), the vehicle position sensor (6) and the cabin door position sensor (9). Compared with the prior art, the intelligent passenger elevator vehicle has the advantages of being high in degree of automation, low in cost and the like.

The invention belongs to the technical field of robot control and in particular relates to a path tracking method for a mobile robot system with an uncertain center of mass. The method comprises the following steps: a temporary path is added, so that the robot departs from an initial position and moves forwards along the temporary path, and the robot is allowed to track an expected path when the robot moves to the expected path. Because the initial position of the robot is positioned on the temporary path, and only when the robot moves nearby the expected path, the robot can track the expected path, so that only a fuzzy controller is designed aiming at the small error condition. Regardless of the initial position, a temporary path can be designed to allow the robot to approach to the expected path, and tracking on the expected path is realized, so that path tracking at any initial point is realized.

The invention discloses an oblique pre-perforating device in a three-dimensional original rock sample drill hole and a pre-perforated hole machining method. The oblique hole pre-perforating device comprises a base platform, a pneumatic drill, a sample clamper, a pressure control device and a position adjusting device, wherein both the pneumatic drill and the sample clamper are arranged through theposition adjusting device; the position adjusting device consists of a lifting device, a longitudinal shifting device and a sample shifting device; the longitudinal shifting device has a structure ofwhich a lifting angle and a pitching angle can be adjusted; the sample clamper is arranged horizontally, transversely and movably; the pneumatic drill comprises a pneumatic device which is arranged movably and vertically; an output end of the pneumatic device is connected with a rotation angle transmission device of which an output end is constructed to a drilling rod; a diamond tool clamping shaft sleeve is arranged at a front end of the drill rod; the axis of the drill rod is parallel to the moving direction of the pneumatic drill; and the drill rod axis and the moving direction are coincided in the same plane. The machining method is implemented based on the pre-perforating device. The oblique pre-perforating device has the beneficial effects of simple structure, compact layout and convenience in perforation. The machining method s is reasonable in process, is convenient to operate, and has high efficiency.

The invention discloses an intelligent agricultural irrigation system based on the Internet of Things. The intelligent agricultural irrigation system comprises an environmental parameter detection module, a soil humidity detection module, a soil temperature detection module, an environmental data preprocessing module, a management database, an irrigation parameter analysis module, a management server, a display terminal and an irrigation control module. According to the intelligent agricultural irrigation system based on the Internet of Things, the temperature, humidity, carbon dioxide concentration, soil humidity and soil temperature in each acquisition time period in the greenhouse are acquired and processed; the irrigation proportionality coefficient of the soil in the greenhouse is analyzed, the amount of water required to be irrigated per square meter corresponding to each irrigation proportionality coefficient is extracted according to the irrigation proportionality coefficient of the soil; the irrigation amount corresponding to the area occupied by the greenhouse is obtained, the accuracy of the soil irrigation amount is improved, the water demand of the greenhouse can be reasonably analyzed according to the current environmental parameters in the greenhouse, the soil is prevented from being too dry or too wet, and the accurate control over the soil irrigation amount ineach time period is greatly improved.

The invention provides a control method and device for an engine management system. The method comprises the steps of comparing measurement values of air flow and a calculation value of air flow to obtain deviations, wherein the calculation value of air flow is the theoretical value of air flow obtained through calculation; when the deviations between the measurement values of air flow and the calculation value of air flow are greater than a preset air flow threshold value, controlling an actuator to increase air flow or limit torque. The method and the device can improve the control performance of an engine management system (EMS).

The invention provides a focusing curve establishing method and device, and relates to the field of image processing. The method comprises the following steps: establishing a coordinate system by taking a zoom parameter as an abscissa and a focusing parameter as an ordinate, wherein an object distance in the process of capturing a to-be-processed image by a lens is a fixed value; adopting a monotonous hill climbing algorithm to determine preset zoom parameter key points in the coordinate system and focusing parameter points meeting preset clear conditions corresponding to the preset zoom parameter key points; and generating a focusing curve according to the focusing parameter points meeting the preset clear conditions and corresponding to the preset zooming parameter key points. Compared with the prior art, the efficiency of generating the focusing curve can be improved, the focusing curve capable of being followed actually is provided for zoom following of the simple electric lens, the focusing time of the simple electric lens is shortened and focusing jitter floating of the simple electric lens is weakened.

The invention belongs to the technical field of antennas, and provides a radiation unit of a TD-LTE intelligent antenna. The radiation unit comprises two feed piece assemblies, a die-casting unit and a medium gasket. The die-casting unit is provided with at least two pairs of dipoles. Each dipole is provided with a radiation arm and supporting arms, wherein the radiation arm and the supporting arms are connected into a whole, a hole is formed in the middle of one of the supporting arms, and the corresponding feed piece assembly is arranged in the hole in a penetrating mode. Each feed piece assembly comprises three thermoplastic media and a feed piece. The middle of each feed piece assembly is folded in two to form a shape approximate to a right angle. The two feed piece assemblies are inserted into the die-casting unit in a crossing mode and fixed to the die-casting unit through barb structures. The die-casting unit is connected with the thermoplastic media in a clamped mode. The medium gasket is arranged at the bottom of the die-casting unit and makes contact with a reflection plate. In this way, by means of the radiation unit, the effects of reducing welding points and being high in machining efficiency are achieved.

The invention discloses a device of throwing an inoculant automatically and a working method thereof. The device of throwing the inoculant automatically comprises an inoculant screening assembly, an inoculant conveying assembly, an inoculant stirring assembly and an inoculant putting assembly, wherein the inoculant putting assembly comprises a large dosage putting conveyor belt, a small dosage putting assembly, a first supporting rack, a receiving hopper, a receiving hopper lifting driving assembly and a receiving hopper overturning driving assembly. The receiving hopper overturning driving assembly is arranged on the receiving hopper, and the emptying amount of the small dosage putting assembly is smaller than that of the large dosage putting conveyor belt. The device of throwing the inoculant automatically disclosed by the invention can add the inoculant by two ways flexibly according to the adding amount of the inoculant. When the inoculant is added in a large dosage, the work efficiency can be improved. In the later period or the working process of inoculant addition, the inoculant can be finely adjusted through the small dosage adding assembly.

The invention provides a quantitating mechanism for powder charge of fireworks and crackers, and relates to the technical field of manufacturing equipment of the fireworks and the crackers. The quantitating mechanism for powder charge of the fireworks and the crackers comprises a fixing seat, a powder storage box, a firework cake and a quantitating plate. A plurality of quantitating shafts and a driving assembly are arranged in the fixing seat, and charge holes are formed in the quantitating plate and the fixing seat correspondingly. Charge grooves corresponding to the charge holes are formedin the quantitating shafts, and bearing grooves corresponding to the charge grooves are formed in the firework cake. The ends, facing the driving assembly, of the quantitating shafts are provided withdriving gears. The driving assembly comprises a driving device and a driving shaft. A driving rack is arranged on the driving shaft and engaged with the driving gears. Through the design of the charge grooves, accurate control of the quantitating shafts over the powder charge amount of the firework cake is achieved, and the charge grooves of different depth specifications can be formed in the same quantitating shaft to achieve the effect that powder charge amount parameters of the same template are adjustable.

The invention provides a multi-cutter vertical-type stone material sheet cutting machine. The multi-cutter vertical-type stone material sheet cutting machine comprises a cutter wheel shaft (1), a plurality of cutters (3), and a plurality of props (4). The two ends of the cutter wheel shaft (1) are connected on a support in an up-down moving mode, one end of the cutter wheel shaft is connected with an electric motor (2), the cutters (3) and the cutter wheel shaft (1) are arranged coaxially, the cutters (3) are sleeved on the cutter wheel shaft (1) at equal intervals, the props are of multiple flat-plate structures which are vertically arranged, one sides of the props (4) are all provided with stone material sheet positioning parts, stone material sheets (5) are tightly attached to one sides of the flat-plate structures and vertically arranged on the stone material sheet positioning parts, and the props (4) are arranged parallel to the cutters (5) and arranged correspondingly one to one. A sheet conveying platform (6) which moves in the direction perpendicular to the arranging direction of the props (4) is located under the props (4). Cutting paths which are generated by the cutters (3) along with downward-moving of the cutter wheel shaft (1) make an interference with the thickness planes of the stone material sheets (5).

The invention relates to the field of injection equipment, in particular to a syringe. The syringe comprises a syringe canister, a syringe piston and an entry needle; the injection port of the syringe canister is provided with a sealing part, and the connecting end of the entry needle is provided with an acicular part used for piercing the sealing part. The arrangement of the sealing part and the entry needle corresponding to the sealing part can prevent the syringe from being polluted at the mouth portion of the syringe by bacteria and improve the anti-bacteria and sterilization effect. The structure can make it convenient to produce the syringe and the entry needle separately, and accordingly the production difficulty is reduced. The sealing part is thin film integrally shaped with the syringe canister. The thin film is integrally shaped, better in leakproofness and lower in cost, and can prevent the bacteria completely with the characteristic of being disposable. Through control over resistance of push of a limiting rod, the push speed of the piston is effectively reduced, the precise control over added quantity of the syringe is improved, and the lower the push speed is, the preciser the added quantity control is.

The invention discloses a temperature control method and device. The method comprises the steps: acquiring the opening degree of a first valve, the opening degree of a second valve and the opening degree of a third valve; according to the first valve opening degree, the second valve opening degree and the third valve opening degree, controlling the valve opening degree of a temperature control medium, and enabling the temperature in the reaction container to be consistent with the preset temperature. Therefore, in the process of controlling the opening degree of the valve, the method not onlyconsiders the deviation value between the temperature corresponding to the current moment in the reaction container and the preset temperature, but also considers the temperature deviation accumulatedvalue and the temperature change rate at the current moment. The accumulated value of temperature deviation is considered in the process of controlling the opening degree of the valve; in addition, due to the fact that the temperature change rate is considered in the process of controlling the opening degree of the valve, the problem that the fluctuation change frequency of the temperature in thereaction container is too high can be avoided, and the accurate control over the temperature in the reaction container is remarkably improved.

The embodiment of the invention relates to the technical field of display, and discloses a digital driving pixel circuit and a digital driving pixel method. The digital driving pixel circuit providedby the invention comprises a pixel driving module, a display module, a storage module and a short circuit module. The output end of the pixel driving module is electrically connected with the input end of the display module, and the control end of the pixel driving module is electrically connected with any output end of the storage module. The input end of the short circuit module is electricallyconnected with the input end of the display module, the output end of the short circuit module is electrically connected with the output end of the display module, and the control end of the short circuit module is electrically connected with any output end of the storage module. And under the condition that the level signal indicates that the display module is closed, the short circuit module isin short circuit with the input end of the display module and the output end of the display module. According to the embodiment of the invention, the level signal can accurately control the light-emitting assembly in the display screen to emit light, and the display effect of the display screen is improved.

The invention provides a purification and detection system for pure water used for cooling a converter valve. The purification and detection system is used for automatically purifying and detecting the dynamic pure water to be detected and comprises a main water circulation loop and a pure water purification branch. The main water circulation loop consists of a frequency-conversion water-circulation pump and a heat exchanger which are connected in parallel by a pipeline; the pure water purification branch consists of a flow distribution device, a pure water purification device and a precision detection device which are connected in series by pipelines; the pure water purification branch and the main water circulation loop are connected in parallel; and a refrigerating unit is connected with the heat exchanger in parallel by a pipeline. The purification and detection system provides a detection environment with constant flow, constant temperature and constant pressure for purification of the pure water for cooling the converter valve, the detection environment is stable and is high in redundancy, accurate to control and high in reliability, and water quality ion concentration detection, water pollution concentration SDI detection, ion exchange resin performance detection, detection on pH value, conductivity dissolved oxygen and other detection on the purification of the pure water for cooling the converter valve are fully realized, so that the safe and stable running of the converter valve is ensured.

The invention discloses a method for adding water in a superfine hematite powder sintering process, which comprises the following steps: (1) stabilizing the speed of the sintering machine; (2) improving and controlling the water addition method; and (3) modifying the tertiary mixer, and adding water to the mixture in a multipoint dispersed mode. The method implements multisection dispersed water addition to the mixture, enhances the accurate control on the water content in the mixture, improves the granulation effect of the sintering mixture, implements uniform heat transfer in the sintering process, and enhances the sintered ore yield, drum strength, sintered ore powder ratio and other indexes.

The invention discloses an air-fuel ratio control boiler using an air pressure sensor and a method for controlling the air-fuel ratio thereof. The boiler includes a fan, an air pressure sensor, an air pressure sensor voltage measuring device, an air pressure sensor voltage compensation device, and a controller, and compensates in advance the component performance of the air pressure sensor, the noise factor caused by the deviation (error) of the composition, so that it Matches the initial reference voltage before running the fan to maximize the efficiency of the air-to-fuel ratio. In addition, the boiler makes it possible not only to exert the best fuel efficiency effect due to the maximization of combustion efficiency, but also to minimize the emission of harmful gases, thereby preventing environmental pollution in advance, and thus improving product reliability sex.

The invention discloses a plant slicing device for a biological experiment and a using method thereof, and particularly relates to the technical field of experimental equipment, the plant slicing device comprises two guide frames, a linkage rotating rod is arranged between the two guide frames, the linkage rotating rod is sleeved with a cutter disc clamped by a plug pin, and a switching mechanism is arranged outside the cutter disc; the switching mechanism comprises a lower cutting blade arranged outside the cutter disc, a first radian cutter groove is formed in one side of the outer portion of the lower cutting blade, and a second radian cutter groove is formed in the other side of the outer portion of the lower cutting blade. By adopting the switching mechanism, proper cutters can be selected according to actual sliced plant conditions, slice deviation during slicing can be effectively avoided, the uniformity during slicing is improved, it is guaranteed that the thickness can be controlled without deviation of slices, different standby cutters can be switched for use, switching is convenient, more time is saved, and the cutting efficiency is improved. And the service time of the slicing device is prolonged.

The invention provides an installation device for a human body sensor and an air conditioner. The installation device comprises a rotary body provided with the human body sensor and a supporting base for supporting the rotary body, wherein the supporting base is further fixedly provided with a motor for driving the rotary body to rotate in a certain angle range. By setting the rotatable rotary body, a scanning detection range of the human body sensor is enlarged; and after a function of the human body sensor is started, the motor is controlled to drive the rotary body to rotate in the certain angle range, so that the human body sensor can be used for detecting in an effective region, a detection range can also be enlarged, the detection accuracy is improved, the accurate control of a human body sensing function of the air conditioner is improved and the satisfaction degree of customers is improved.

The invention discloses a strong magnetic powder forming device and method. The strong magnetic powder forming device comprises a frame body, a cylinder, a lower mold, an upper mold, a first mountingframe, a first driving device, a second mounting frame, a storage hopper, a second driving device, a third driving device, a feeding hopper, a stirring mechanism and a feeding mechanism. The device isreasonable in design and easy to operate, the cylinder pushes the lower mold to move upwards to be flush with the lower end surface of the lower mold, the feeding mechanism is driven by the third driving device to feed magnetic powder into the lower mold so as to reduce the labor intensity, the control is performed through an external controller, and powder filling is quantified to improve accurate control over the powder filling amount, and the stirring device stirs the powder to avoid bonding and scrape off the powder attached to the inner wall of the storage hopper.

The invention provides an automatic rubber material gluing robot and detecting equipment. The automatic rubber material gluing robot solves the problems that the rubber material is tedious in production process and the compressing force and the gluing amount cannot be monitored and comprises a sliding rail, wherein a mounting base is arranged on the sliding rail; a first movable arm is movably arranged on the mounting base; a first movable driving mechanism is arranged between the mounting base and the first movable arm; a second movable arm is movably connected with the upper end of the firstmovable arm; a second movable driving mechanism is arranged between the first movable arm and the second movable arm; and a cleaning component, a gluing component and a compressing component are arranged at the end, far away from the first movable arm, of the second movable arm in the circumferential direction. The automatic rubber material gluing robot has the advantages of being high in production efficiency and automatically monitoring and producing the compressing component.

The invention discloses a stent implant driving mechanism and a medical stent placement device. The stent implant driving mechanism comprises an outer pipe clamping mechanism suitable for clamping anouter pipe and a shaft displacement driving mechanism suitable for driving the outer pipe to move, wherein the outer pipe clamping mechanism comprises an outer sleeve pipe fixedly arranged on the outer pipe in a sleeving manner, and a pressing block connected with the outer sleeve pipe; the shaft displacement driving mechanism comprises a transmission assembly which cooperates with the pressing block to be suitable for driving the pressing block to move, and a power part which is connected with the transmission assembly; the power part is suitable for driving the transmission assembly to drivethe pressing block to move, and besides, simultaneous movement of the outer pipe is realized; the transmission assembly comprises an annular simultaneous structure and a driven rotating wheel and a driving rotating wheel which are in adapting with the annular simultaneous structure; and the driving rotating wheel and the power part are in adapting to be suitable for the power part to drive the driving rotating wheel to rotate. According to the medical stent placement device, the flexibility of the stent placement operation process can be improved.

The invention relates to the technical field of thermal power generation, in particular to a coal-fired power generation system and thermal power generation equipment. The coal-fired power generation system comprises a burner and an external furnace coal-fired mixture system, the coal-fired power generation system can achieve accurate mixture of fire coal and convey the fire coal with the specific coal quality to the different positions of the burner to be burned, the fire coal utilization is improved greatly, and pollutant discharging is reduced. The thermal power generation equipment utilizing the coal-fired power generation system can achieve accurate mixture of the fire coal from different mine lots, the coal quality is ensured to be uniform, and safe operation of a furnace is guaranteed.

According to product fatigue limit detection equipment, an air source, a filter, a pressure reducing valve, a first two-position four-way electromagnetic valve, a proportional flow valve, a pressuresensor and a digital display pressure gauge are connected in sequence, and the digital display pressure gauge is further connected with a detected product through a second two-position four-way electromagnetic valve. Meanwhile, a tested product and a third two-position four-way electromagnetic valve are respectively connected with the vacuum filter, and the vacuum filter, the fourth two-position four-way electromagnetic valve, the negative pressure proportional flow valve, the negative pressure digital display pressure gauge, the one-way valve, the vacuum pump, the stop valve and the silencerare sequentially connected.

The invention relates to the technical field of aqueduct construction, in particular to a cast-in-place aqueduct supporting frame design process based on a BIM technology, and the process comprises the steps that S1, a central control module obtains basic information of an aqueduct and an aqueduct supporting frame and carries out preliminary structural design after obtaining is completed; s2, the central control module preliminarily designs the sizes of internal parts of the channel steel, the transverse rod and the vertical rod according to the basic information of the channel steel; s3, the center control module imports the calculated component size into a BIM system and simulates the component size; and S4, the central control module judges whether the design is completed or not according to whether the adjusted construction process and model simulation meet the standard or not. A supporting frame structure of the cast-in-place aqueduct supporting frame design process based on the BIM technology comprises channel steel, transverse rods, vertical rods and an operation platform. According to the method, more accurate modeling of the cast-in-place aqueduct supporting frame is achieved, the stability of the supporting frame is improved, and the adaptability of the supporting frame to different environments and weather conditions is improved.

The invention relates to a preparation method of a high-temperature-resistant modified asphalt waterproof coiled material and the waterproof coiled material prepared by the preparation method, and relates to the technical field of waterproof coiled material preparation. The method comprises the following steps that asphalt is added into a high-speed shearing machine and heated to be completely melted; a modifier is added into the high-speed shearing machine, heating is performed, and a motor and an ultrasonic vibrator are started to enable a stirring paddle to stir and vibrate the mixed material; after being obtained, high-temperature-resistant modified asphalt is added into a screw extruder, a stabilizer is added, and melt extrusion is performed; and after stable high-temperature-resistant modified asphalt is obtained, sequential coating is performed on a coating machine according to the sequence of a bottom film layer, a lower modified asphalt layer, a lower isolating layer, a padding layer, an upper isolating layer and an upper modified asphalt layer to obtain the high-temperature-resistant modified asphalt waterproof coiled material. The standard dispersity coefficient range, the standard compatibility coefficient range and the standard viscosity range are set in a central control processor, and whether the modified asphalt reaches the standard or not is determined by judging whether actual values are in the ranges or not, so that the quality of the prepared waterproof coiled material is improved.